functions.php

   1 <?php
   2
   3         date_default_timezone_set('UTC');
   4         if (defined('E_DEPRECATED')) {
   5                 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
   6         } else {
   7                 error_reporting(E_ALL & ~E_NOTICE);
   8         }
   9
  10         require_once 'config.php';
  11
  12         if (DB_TYPE == "pgsql") {
  13                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  14         } else {
  15                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  16         }
  17
  18         define('THEME_VERSION_REQUIRED', 1.1);
  19
  20         /**
  21          * Return available translations names.
  22          *
  23          * @access public
  24          * @return array A array of available translations.
  25          */
  26         function get_translations() {
  27                 $tr = array(
  28                                         "auto"  => "Detect automatically",
  29                                         "ca_CA" => "Català",
  30                                         "en_US" => "English",
  31                                         "es_ES" => "Español",
  32                                         "de_DE" => "Deutsch",
  33                                         "fr_FR" => "Français",
  34                                         "hu_HU" => "Magyar (Hungarian)",
  35                                         "it_IT" => "Italiano",
  36                                         "ja_JP" => "日本語 (Japanese)",
  37                                         "nb_NO" => "Norwegian bokmål",
  38                                         "ru_RU" => "Русский",
  39                                         "pt_BR" => "Portuguese/Brazil",
  40                                         "zh_CN" => "Simplified Chinese");
  41
  42                 return $tr;
  43         }
  44
  45         require_once "lib/accept-to-gettext.php";
  46         require_once "lib/gettext/gettext.inc";
  47
  48         function startup_gettext() {
  49
  50                 # Get locale from Accept-Language header
  51                 $lang = al2gt(array_keys(get_translations()), "text/html");
  52
  53                 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  54                         $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  55                 }
  56
  57                 if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  58                         $lang = $_COOKIE["ttrss_lang"];
  59                 }
  60
  61                 /* In login action of mobile version */
  62                 if ($_POST["language"] && defined('MOBILE_VERSION')) {
  63                         $lang = $_POST["language"];
  64                         $_COOKIE["ttrss_lang"] = $lang;
  65                 }
  66
  67                 if ($lang) {
  68                         if (defined('LC_MESSAGES')) {
  69                                 _setlocale(LC_MESSAGES, $lang);
  70                         } else if (defined('LC_ALL')) {
  71                                 _setlocale(LC_ALL, $lang);
  72                         }
  73
  74                         if (defined('MOBILE_VERSION')) {
  75                                 _bindtextdomain("messages", "../locale");
  76                         } else {
  77                                 _bindtextdomain("messages", "locale");
  78                         }
  79
  80                         _textdomain("messages");
  81                         _bind_textdomain_codeset("messages", "UTF-8");
  82                 }
  83         }
  84
  85         startup_gettext();
  86
  87         if (defined('MEMCACHE_SERVER')) {
  88                 $memcache = new Memcache;
  89                 $memcache->connect(MEMCACHE_SERVER, 11211);
  90         }
  91
  92         require_once 'db-prefs.php';
  93         require_once 'errors.php';
  94         require_once 'version.php';
  95
  96         require_once 'lib/phpmailer/class.phpmailer.php';
  97         require_once 'lib/sphinxapi.php';
  98         require_once 'lib/tmhoauth/tmhOAuth.php';
  99
 100         //define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
 101         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
 102
 103         define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
 104         define('MAGPIE_USER_AGENT', SELF_USER_AGENT);
 105
 106         ini_set('user_agent', SELF_USER_AGENT);
 107
 108         require_once "lib/simplepie/simplepie.inc";
 109         require_once "lib/magpierss/rss_fetch.inc";
 110         require_once 'lib/magpierss/rss_utils.inc';
 111         require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
 112         require_once 'lib/pubsubhubbub/publisher.php';
 113         require_once 'lib/pubsubhubbub/subscriber.php';
 114
 115         $config = HTMLPurifier_Config::createDefault();
 116
 117         $allowed = "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4,s,object[classid|type|id|name|width|height|codebase],param[name|value],table,tr,td";
 118
 119         $config->set('HTML.SafeObject', true);
 120         @$config->set('HTML', 'Allowed', $allowed);
 121         $config->set('Output.FlashCompat', true);
 122         $config->set('Attr.EnableID', true);
 123         if (!defined('MOBILE_VERSION')) {
 124                 @$config->set('Cache', 'SerializerPath', CACHE_DIR . "/htmlpurifier");
 125         } else {
 126                 @$config->set('Cache', 'SerializerPath', "../" . CACHE_DIR . "/htmlpurifier");
 127         }
 128
 129         $purifier = new HTMLPurifier($config);
 130
 131         $tz_offset = -1;
 132         $utc_tz = new DateTimeZone('UTC');
 133         $schema_version = false;
 134
 135         /**
 136          * Print a timestamped debug message.
 137          *
 138          * @param string $msg The debug message.
 139          * @return void
 140          */
 141         function _debug($msg) {
 142                 $ts = strftime("%H:%M:%S", time());
 143                 if (function_exists('posix_getpid')) {
 144                         $ts = "$ts/" . posix_getpid();
 145                 }
 146                 print "[$ts] $msg\n";
 147         } // function _debug
 148
 149         /**
 150          * Purge a feed old posts.
 151          *
 152          * @param mixed $link A database connection.
 153          * @param mixed $feed_id The id of the purged feed.
 154          * @param mixed $purge_interval Olderness of purged posts.
 155          * @param boolean $debug Set to True to enable the debug. False by default.
 156          * @access public
 157          * @return void
 158          */
 159         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 160
 161                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 162
 163                 $rows = -1;
 164
 165                 $result = db_query($link,
 166                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 167
 168                 $owner_uid = false;
 169
 170                 if (db_num_rows($result) == 1) {
 171                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 172                 }
 173
 174                 if ($purge_interval == -1 || !$purge_interval) {
 175                         if ($owner_uid) {
 176                                 ccache_update($link, $feed_id, $owner_uid);
 177                         }
 178                         return;
 179                 }
 180
 181                 if (!$owner_uid) return;
 182
 183                 if (FORCE_ARTICLE_PURGE == 0) {
 184                         $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 185                                 $owner_uid, false);
 186                 } else {
 187                         $purge_unread = true;
 188                         $purge_interval = FORCE_ARTICLE_PURGE;
 189                 }
 190
 191                 if (!$purge_unread) $query_limit = " unread = false AND ";
 192
 193                 if (DB_TYPE == "pgsql") {
 194                         $pg_version = get_pgsql_version($link);
 195
 196                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 197
 198                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 199                                         ttrss_entries.id = ref_id AND
 200                                         marked = false AND
 201                                         feed_id = '$feed_id' AND
 202                                         $query_limit
 203                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 204
 205                         } else {
 206
 207                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 208                                         USING ttrss_entries
 209                                         WHERE ttrss_entries.id = ref_id AND
 210                                         marked = false AND
 211                                         feed_id = '$feed_id' AND
 212                                         $query_limit
 213                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 214                         }
 215
 216                         $rows = pg_affected_rows($result);
 217
 218                 } else {
 219
 220 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 221                                 marked = false AND feed_id = '$feed_id' AND
 222                                 (SELECT date_updated FROM ttrss_entries WHERE
 223                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 224
 225                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 226                                 USING ttrss_user_entries, ttrss_entries
 227                                 WHERE ttrss_entries.id = ref_id AND
 228                                 marked = false AND
 229                                 feed_id = '$feed_id' AND
 230                                 $query_limit
 231                                 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 232
 233                         $rows = mysql_affected_rows($link);
 234
 235                 }
 236
 237                 ccache_update($link, $feed_id, $owner_uid);
 238
 239                 if ($debug) {
 240                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 241                 }
 242         } // function purge_feed
 243
 244         /**
 245          * Purge old posts from old feeds. Not used anymore, purging is done after feed update.
 246          *
 247          * @param mixed $link A database connection
 248          * @param boolean $do_output Set to true to enable printed output, false by default.
 249          * @param integer $limit The maximal number of removed posts.
 250          * @access public
 251          * @return void
 252          */
 253         /* function global_purge_old_posts($link, $do_output = false, $limit = false) {
 254
 255                 $random_qpart = sql_random_function();
 256
 257                 if ($limit) {
 258                         $limit_qpart = "LIMIT $limit";
 259                 } else {
 260                         $limit_qpart = "";
 261                 }
 262
 263                 $result = db_query($link,
 264                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 265                                 ORDER BY $random_qpart $limit_qpart");
 266
 267                 while ($line = db_fetch_assoc($result)) {
 268
 269                         $feed_id = $line["id"];
 270                         $purge_interval = $line["purge_interval"];
 271                         $owner_uid = $line["owner_uid"];
 272
 273                         if ($purge_interval == 0) {
 274
 275                                 $tmp_result = db_query($link,
 276                                         "SELECT value FROM ttrss_user_prefs WHERE
 277                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 278
 279                                 if (db_num_rows($tmp_result) != 0) {
 280                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 281                                 }
 282                         }
 283
 284                         if ($do_output) {
 285 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 286                         }
 287
 288                         if ($purge_interval > 0 || FORCE_ARTICLE_PURGE) {
 289                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 290                         }
 291                 }
 292
 293                 purge_orphans($link, $do_output);
 294
 295         } // function global_purge_old_posts */
 296
 297         function feed_purge_interval($link, $feed_id) {
 298
 299                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 300                         WHERE id = '$feed_id'");
 301
 302                 if (db_num_rows($result) == 1) {
 303                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 304                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 305
 306                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 307                                 'PURGE_OLD_DAYS', $owner_uid);
 308
 309                         return $purge_interval;
 310
 311                 } else {
 312                         return -1;
 313                 }
 314         }
 315
 316         function purge_old_posts($link) {
 317
 318                 $user_id = $_SESSION["uid"];
 319
 320                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 321                         WHERE owner_uid = '$user_id'");
 322
 323                 while ($line = db_fetch_assoc($result)) {
 324
 325                         $feed_id = $line["id"];
 326                         $purge_interval = $line["purge_interval"];
 327
 328                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 329
 330                         if ($purge_interval > 0) {
 331                                 purge_feed($link, $feed_id, $purge_interval);
 332                         }
 333                 }
 334
 335                 purge_orphans($link);
 336         }
 337
 338         function purge_orphans($link, $do_output = false) {
 339
 340                 // purge orphaned posts in main content table
 341                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 342                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 343
 344                 if ($do_output) {
 345                         $rows = db_affected_rows($link, $result);
 346                         _debug("Purged $rows orphaned posts.");
 347                 }
 348         }
 349
 350         function get_feed_update_interval($link, $feed_id) {
 351                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 352                         ttrss_feeds WHERE id = '$feed_id'");
 353
 354                 if (db_num_rows($result) == 1) {
 355                         $update_interval = db_fetch_result($result, 0, "update_interval");
 356                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 357
 358                         if ($update_interval != 0) {
 359                                 return $update_interval;
 360                         } else {
 361                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 362                         }
 363
 364                 } else {
 365                         return -1;
 366                 }
 367         }
 368
 369         function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false) {
 370                 $login = urlencode($login);
 371                 $pass = urlencode($pass);
 372
 373                 if (function_exists('curl_init') && !ini_get("open_basedir")) {
 374                         $ch = curl_init($url);
 375
 376                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 377                         curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 378                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
 379                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
 380                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 381                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 382                         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
 383                         curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
 384                         curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
 385
 386                         if ($post_query) {
 387                                 curl_setopt($ch, CURLOPT_POST, true);
 388                                 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
 389                         }
 390
 391                         if ($login && $pass)
 392                                 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
 393
 394                         $contents = @curl_exec($ch);
 395                         if ($contents === false) {
 396                                 curl_close($ch);
 397                                 return false;
 398                         }
 399
 400                         $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
 401                         $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 402                         curl_close($ch);
 403
 404                         if ($http_code != 200 || $type && strpos($content_type, "$type") === false) {
 405                                 return false;
 406                         }
 407
 408                         return $contents;
 409                 } else {
 410                         if ($login && $pass ){
 411                                 $url_parts = array();
 412
 413                                 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
 414
 415                                 if ($url_parts[1] && $url_parts[2]) {
 416                                         $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
 417                                 }
 418                         }
 419
 420                         return @file_get_contents($url);
 421                 }
 422
 423         }
 424
 425         /**
 426          * Try to determine the favicon URL for a feed.
 427          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 428          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 429          *
 430          * @param string $url A feed or page URL
 431          * @access public
 432          * @return mixed The favicon URL, or false if none was found.
 433          */
 434         function get_favicon_url($url) {
 435
 436                 $favicon_url = false;
 437
 438                 if ($html = @fetch_file_contents($url)) {
 439
 440                         libxml_use_internal_errors(true);
 441
 442                         $doc = new DOMDocument();
 443                         $doc->loadHTML($html);
 444                         $xpath = new DOMXPath($doc);
 445
 446                         $base = $xpath->query('/html/head/base');
 447                         foreach ($base as $b) {
 448                                 $url = $b->getAttribute("href");
 449                                 break;
 450                         }
 451
 452                         $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
 453                         if (count($entries) > 0) {
 454                                 foreach ($entries as $entry) {
 455                                         $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
 456                                         break;
 457                                 }
 458                         }
 459                 }
 460
 461                 if (!$favicon_url)
 462                         $favicon_url = rewrite_relative_url($url, "/favicon.ico");
 463
 464                 return $favicon_url;
 465         } // function get_favicon_url
 466
 467         function check_feed_favicon($site_url, $feed, $link) {
 468 #               print "FAVICON [$site_url]: $favicon_url\n";
 469
 470                 $icon_file = ICONS_DIR . "/$feed.ico";
 471
 472                 if (!file_exists($icon_file)) {
 473                         $favicon_url = get_favicon_url($site_url);
 474
 475                         if ($favicon_url) {
 476                                 $contents = fetch_file_contents($favicon_url, "image");
 477
 478                                 if ($contents) {
 479                                         $fp = @fopen($icon_file, "w");
 480
 481                                         if ($fp) {
 482                                                 fwrite($fp, $contents);
 483                                                 fclose($fp);
 484                                                 chmod($icon_file, 0644);
 485                                         }
 486                                 }
 487                         }
 488                 }
 489         }
 490
 491         function update_rss_feed($link, $feed, $ignore_daemon = false, $no_cache = false) {
 492
 493                 global $memcache;
 494
 495                 /* Update all feeds with the same URL to utilize memcache */
 496
 497                 if ($memcache) {
 498                         $result = db_query($link, "SELECT f1.id
 499                                 FROM ttrss_feeds AS f1, ttrss_feeds AS f2
 500                                 WHERE   f2.feed_url = f1.feed_url AND f2.id = '$feed'");
 501
 502                         while ($line = db_fetch_assoc($result)) {
 503                                 update_rss_feed_real($link, $line["id"], $ignore_daemon, $no_cache);
 504                         }
 505                 } else {
 506                         update_rss_feed_real($link, $feed, $ignore_daemon, $no_cache);
 507                 }
 508         }
 509
 510         function update_rss_feed_real($link, $feed, $ignore_daemon = false, $no_cache = false,
 511                 $override_url = false) {
 512
 513                 global $memcache;
 514
 515                 $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug'];
 516
 517                 if (!$_REQUEST["daemon"] && !$ignore_daemon) {
 518                         return false;
 519                 }
 520
 521                 if ($debug_enabled) {
 522                         _debug("update_rss_feed: start");
 523                 }
 524
 525                 if (!$ignore_daemon) {
 526
 527                         if (DB_TYPE == "pgsql") {
 528                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 529                                 } else {
 530                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 531                                 }
 532
 533                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 534                                 auth_pass,cache_images,update_method
 535                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 536
 537                 } else {
 538
 539                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 540                                 feed_url,auth_pass,cache_images,update_method,last_updated,
 541                                 mark_unread_on_update, owner_uid, update_on_checksum_change,
 542                                 pubsub_state
 543                                 FROM ttrss_feeds WHERE id = '$feed'");
 544
 545                 }
 546
 547                 if (db_num_rows($result) == 0) {
 548                         if ($debug_enabled) {
 549                                 _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED");
 550                         }
 551                         return false;
 552                 }
 553
 554                 $update_method = db_fetch_result($result, 0, "update_method");
 555                 $last_updated = db_fetch_result($result, 0, "last_updated");
 556                 $owner_uid = db_fetch_result($result, 0, "owner_uid");
 557                 $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result,
 558                         0, "mark_unread_on_update"));
 559                 $update_on_checksum_change = sql_bool_to_bool(db_fetch_result($result,
 560                         0, "update_on_checksum_change"));
 561                 $pubsub_state = db_fetch_result($result, 0, "pubsub_state");
 562
 563                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 564                         WHERE id = '$feed'");
 565
 566                 $auth_login = db_fetch_result($result, 0, "auth_login");
 567                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 568
 569                 if ($update_method == 0)
 570                         $update_method = DEFAULT_UPDATE_METHOD + 1;
 571
 572                 // 1 - Magpie
 573                 // 2 - SimplePie
 574                 // 3 - Twitter OAuth
 575
 576                 if ($update_method == 2)
 577                         $use_simplepie = true;
 578                 else
 579                         $use_simplepie = false;
 580
 581                 if ($debug_enabled) {
 582                         _debug("update method: $update_method (feed setting: $update_method) (use simplepie: $use_simplepie)\n");
 583                 }
 584
 585                 if ($update_method == 1) {
 586                         $auth_login = urlencode($auth_login);
 587                         $auth_pass = urlencode($auth_pass);
 588                 }
 589
 590                 $update_interval = db_fetch_result($result, 0, "update_interval");
 591                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 592                 $fetch_url = db_fetch_result($result, 0, "feed_url");
 593
 594                 if ($update_interval < 0) { return false; }
 595
 596                 $feed = db_escape_string($feed);
 597
 598                 if ($auth_login && $auth_pass ){
 599                         $url_parts = array();
 600                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 601
 602                         if ($url_parts[1] && $url_parts[2]) {
 603                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 604                         }
 605
 606                 }
 607
 608                 if ($override_url)
 609                         $fetch_url = $override_url;
 610
 611                 if ($debug_enabled) {
 612                         _debug("update_rss_feed: fetching [$fetch_url]...");
 613                 }
 614
 615                 $obj_id = md5("FDATA:$use_simplepie:$fetch_url");
 616
 617                 if ($memcache && $obj = $memcache->get($obj_id)) {
 618
 619                         if ($debug_enabled) {
 620                                 _debug("update_rss_feed: data found in memcache.");
 621                         }
 622
 623                         $rss = $obj;
 624
 625                 } else {
 626
 627                         if ($update_method == 3) {
 628                                 $rss = fetch_twitter_rss($link, $fetch_url, $owner_uid);
 629                         } else if ($update_method == 1) {
 630
 631                                 define('MAGPIE_CACHE_AGE', get_feed_update_interval($link, $feed) * 60);
 632                                 define('MAGPIE_CACHE_ON', !$no_cache);
 633                                 define('MAGPIE_FETCH_TIME_OUT', 60);
 634                                 define('MAGPIE_CACHE_DIR', CACHE_DIR . "/magpie");
 635
 636                                 $rss = @fetch_rss($fetch_url);
 637                         } else {
 638                                 $simplepie_cache_dir = CACHE_DIR . "/simplepie";
 639
 640                                 if (!is_dir($simplepie_cache_dir)) {
 641                                         mkdir($simplepie_cache_dir);
 642                                 }
 643
 644                                 $rss = new SimplePie();
 645                                 $rss->set_useragent(SELF_USER_AGENT);
 646         #                       $rss->set_timeout(10);
 647                                 $rss->set_feed_url($fetch_url);
 648                                 $rss->set_output_encoding('UTF-8');
 649                                 $rss->force_feed(true);
 650
 651                                 if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 652
 653                                         if ($debug_enabled) {
 654                                                 _debug("enabling image cache");
 655                                         }
 656
 657                                         $rss->set_image_handler("image.php", 'i');
 658                                 }
 659
 660                                 if ($debug_enabled) {
 661                                         _debug("feed update interval (sec): " .
 662                                                 get_feed_update_interval($link, $feed)*60);
 663                                 }
 664
 665                                 $rss->enable_cache(!$no_cache);
 666
 667                                 if (!$no_cache) {
 668                                         $rss->set_cache_location($simplepie_cache_dir);
 669                                         $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 670                                 }
 671
 672                                 $rss->init();
 673                         }
 674
 675                         if ($memcache && $rss) $memcache->add($obj_id, $rss, 0, 300);
 676                 }
 677
 678 //              print_r($rss);
 679
 680                 if ($debug_enabled) {
 681                         _debug("update_rss_feed: fetch done, parsing...");
 682                 }
 683
 684                 $feed = db_escape_string($feed);
 685
 686                 if ($update_method == 2) {
 687                         $fetch_ok = !$rss->error();
 688                 } else {
 689                         $fetch_ok = !!$rss;
 690                 }
 691
 692                 if ($fetch_ok) {
 693
 694                         if ($debug_enabled) {
 695                                 _debug("update_rss_feed: processing feed data...");
 696                         }
 697
 698 //                      db_query($link, "BEGIN");
 699
 700                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 701                                 FROM ttrss_feeds WHERE id = '$feed'");
 702
 703                         $registered_title = db_fetch_result($result, 0, "title");
 704                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 705                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 706
 707                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 708
 709                         if ($use_simplepie) {
 710                                 $site_url = $rss->get_link();
 711                         } else {
 712                                 $site_url = $rss->channel["link"];
 713                         }
 714
 715                         $site_url = rewrite_relative_url($fetch_url, $site_url);
 716
 717                         if ($debug_enabled) {
 718                                 _debug("update_rss_feed: checking favicon...");
 719                         }
 720
 721                         check_feed_favicon($site_url, $feed, $link);
 722
 723                         if (!$registered_title || $registered_title == "[Unknown]") {
 724
 725                                 if ($use_simplepie) {
 726                                         $feed_title = db_escape_string($rss->get_title());
 727                                 } else {
 728                                         $feed_title = db_escape_string($rss->channel["title"]);
 729                                 }
 730
 731                                 if ($debug_enabled) {
 732                                         _debug("update_rss_feed: registering title: $feed_title");
 733                                 }
 734
 735                                 db_query($link, "UPDATE ttrss_feeds SET
 736                                         title = '$feed_title' WHERE id = '$feed'");
 737                         }
 738
 739                         // weird, weird Magpie
 740                         if (!$use_simplepie) {
 741                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 742                         }
 743
 744                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 745                                 db_query($link, "UPDATE ttrss_feeds SET
 746                                         site_url = '$site_url' WHERE id = '$feed'");
 747                         }
 748
 749 //                      print "I: " . $rss->channel["image"]["url"];
 750
 751                         if (!$use_simplepie) {
 752                                 $icon_url = db_escape_string($rss->image["url"]);
 753                         } else {
 754                                 $icon_url = db_escape_string($rss->get_image_url());
 755                         }
 756
 757                         $icon_url = substr($icon_url, 0, 250);
 758
 759                         if ($icon_url && $orig_icon_url != $icon_url) {
 760                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 761                         }
 762
 763                         if ($debug_enabled) {
 764                                 _debug("update_rss_feed: loading filters...");
 765                         }
 766
 767                         $filters = load_filters($link, $feed, $owner_uid);
 768
 769 //                      if ($debug_enabled) {
 770 //                              print_r($filters);
 771 //                      }
 772
 773                         if ($use_simplepie) {
 774                                 $iterator = $rss->get_items();
 775                         } else {
 776                                 $iterator = $rss->items;
 777                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 778                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 779                         }
 780
 781                         if (!is_array($iterator)) {
 782                                 /* db_query($link, "UPDATE ttrss_feeds
 783                                         SET last_error = 'Parse error: can\'t find any articles.'
 784                                         WHERE id = '$feed'"); */
 785
 786                                 // clear any errors and mark feed as updated if fetched okay
 787                                 // even if it's blank
 788
 789                                 if ($debug_enabled) {
 790                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 791                                 }
 792
 793                                 db_query($link, "UPDATE ttrss_feeds
 794                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 795
 796                                 return; // no articles
 797                         }
 798
 799                         if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) {
 800
 801                                 if ($debug_enabled) _debug("update_rss_feed: checking for PUSH hub...");
 802
 803                                 $feed_hub_url = false;
 804                                 if ($use_simplepie) {
 805                                         $links = $rss->get_links('hub');
 806
 807                                         if ($links && is_array($links)) {
 808                                                 foreach ($links as $l) {
 809                                                         $feed_hub_url = $l;
 810                                                         break;
 811                                                 }
 812                                         }
 813
 814                                 } else {
 815                                         $atom = $rss->channel['atom'];
 816
 817                                         if ($atom) {
 818                                                 if ($atom['link@rel'] == 'hub') {
 819                                                         $feed_hub_url = $atom['link@href'];
 820                                                 }
 821
 822                                                 if (!$feed_hub_url && $atom['link#'] > 1) {
 823                                                         for ($i = 2; $i <= $atom['link#']; $i++) {
 824                                                                 if ($atom["link#$i@rel"] == 'hub') {
 825                                                                         $feed_hub_url = $atom["link#$i@href"];
 826                                                                         break;
 827                                                                 }
 828                                                         }
 829                                                 }
 830                                         } else {
 831                                                 $feed_hub_url = $rss->channel['link_hub'];
 832                                         }
 833                                 }
 834
 835                                 if ($debug_enabled) _debug("update_rss_feed: feed hub url: $feed_hub_url");
 836
 837                                 if ($feed_hub_url && function_exists('curl_init') &&
 838                                         !ini_get("open_basedir")) {
 839
 840                                         $callback_url = get_self_url_prefix() .
 841                                                 "/backend.php?op=pubsub&id=$feed";
 842
 843                                         $s = new Subscriber($feed_hub_url, $callback_url);
 844
 845                                         $rc = $s->subscribe($fetch_url);
 846
 847                                         if ($debug_enabled)
 848                                                 _debug("update_rss_feed: feed hub url found, subscribe request sent.");
 849
 850                                         db_query($link, "UPDATE ttrss_feeds SET pubsub_state = 1
 851                                                 WHERE id = '$feed'");
 852                                 }
 853                         }
 854
 855                         if ($debug_enabled) {
 856                                 _debug("update_rss_feed: processing articles...");
 857                         }
 858
 859                         foreach ($iterator as $item) {
 860
 861                                 if ($_REQUEST['xdebug'] == 2) {
 862                                         print_r($item);
 863                                 }
 864
 865                                 if ($use_simplepie) {
 866                                         $entry_guid = $item->get_id();
 867                                         if (!$entry_guid) $entry_guid = $item->get_link();
 868                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 869
 870                                 } else {
 871
 872                                         $entry_guid = $item["id"];
 873
 874                                         if (!$entry_guid) $entry_guid = $item["guid"];
 875                                         if (!$entry_guid) $entry_guid = $item["about"];
 876                                         if (!$entry_guid) $entry_guid = $item["link"];
 877                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 878                                 }
 879
 880                                 if ($debug_enabled) {
 881                                         _debug("update_rss_feed: guid $entry_guid");
 882                                 }
 883
 884                                 if (!$entry_guid) continue;
 885
 886                                 $entry_timestamp = "";
 887
 888                                 if ($use_simplepie) {
 889                                         $entry_timestamp = strtotime($item->get_date());
 890                                 } else {
 891                                         $rss_2_date = $item['pubdate'];
 892                                         $rss_1_date = $item['dc']['date'];
 893                                         $atom_date = $item['issued'];
 894                                         if (!$atom_date) $atom_date = $item['updated'];
 895
 896                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 897                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 898                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 899
 900                                 }
 901
 902                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 903                                         $entry_timestamp = time();
 904                                         $no_orig_date = 'true';
 905                                 } else {
 906                                         $no_orig_date = 'false';
 907                                 }
 908
 909                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 910
 911                                 if ($debug_enabled) {
 912                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
 913                                 }
 914
 915                                 if ($use_simplepie) {
 916                                         $entry_title = $item->get_title();
 917                                 } else {
 918                                         $entry_title = trim(strip_tags($item["title"]));
 919                                 }
 920
 921                                 if ($use_simplepie) {
 922                                         $entry_link = $item->get_link();
 923                                 } else {
 924                                         // strange Magpie workaround
 925                                         $entry_link = $item["link_"];
 926                                         if (!$entry_link) $entry_link = $item["link"];
 927                                 }
 928
 929                                 $entry_link = rewrite_relative_url($site_url, $entry_link);
 930
 931                                 if ($debug_enabled) {
 932                                         _debug("update_rss_feed: title $entry_title");
 933                                         _debug("update_rss_feed: link $entry_link");
 934                                 }
 935
 936                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 937
 938                                 $entry_link = strip_tags($entry_link);
 939
 940                                 if ($use_simplepie) {
 941                                         $entry_content = $item->get_content();
 942                                         if (!$entry_content) $entry_content = $item->get_description();
 943                                 } else {
 944                                         $entry_content = $item["content:escaped"];
 945
 946                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 947                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 948                                         if (!$entry_content) $entry_content = $item["content"];
 949
 950                                         // Magpie bugs are getting ridiculous
 951                                         if (trim($entry_content) == "Array") $entry_content = false;
 952
 953                                         if (!$entry_content) $entry_content = $item["atom_content"];
 954                                         if (!$entry_content) $entry_content = $item["summary"];
 955
 956                                         if (!$entry_content ||
 957                                                 strlen($entry_content) < strlen($item["description"])) {
 958                                                         $entry_content = $item["description"];
 959                                         };
 960
 961                                         // WTF
 962                                         if (is_array($entry_content)) {
 963                                                 $entry_content = $entry_content["encoded"];
 964                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 965                                         }
 966                                 }
 967
 968                                 if ($_REQUEST["xdebug"] == 2) {
 969                                         print "update_rss_feed: content: ";
 970                                         print_r(htmlspecialchars($entry_content));
 971                                 }
 972
 973                                 $entry_content_unescaped = $entry_content;
 974
 975                                 if ($use_simplepie) {
 976                                         $entry_comments = strip_tags($item->data["comments"]);
 977                                         if ($item->get_author()) {
 978                                                 $entry_author_item = $item->get_author();
 979                                                 $entry_author = $entry_author_item->get_name();
 980                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 981
 982                                                 $entry_author = db_escape_string($entry_author);
 983                                         }
 984                                 } else {
 985                                         $entry_comments = strip_tags($item["comments"]);
 986
 987                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 988
 989                                         if ($item['author']) {
 990
 991                                                 if (is_array($item['author'])) {
 992
 993                                                         if (!$entry_author) {
 994                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 995                                                         }
 996
 997                                                         if (!$entry_author) {
 998                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 999                                                         }
1000                                                 }
1001
1002                                                 if (!$entry_author) {
1003                                                         $entry_author = db_escape_string(strip_tags($item['author']));
1004                                                 }
1005                                         }
1006                                 }
1007
1008                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
1009
1010                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
1011                                 $entry_guid = mb_substr($entry_guid, 0, 250);
1012
1013                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
1014                                         WHERE guid = '$entry_guid'");
1015
1016                                 $entry_content = db_escape_string($entry_content, false);
1017
1018                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
1019
1020                                 $entry_title = db_escape_string($entry_title);
1021                                 $entry_link = db_escape_string($entry_link);
1022                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
1023                                 $entry_author = mb_substr($entry_author, 0, 250);
1024
1025                                 if ($use_simplepie) {
1026                                         $num_comments = 0; #FIXME#
1027                                 } else {
1028                                         $num_comments = db_escape_string($item["slash"]["comments"]);
1029                                 }
1030
1031                                 if (!$num_comments) $num_comments = 0;
1032
1033                                 if ($debug_enabled) {
1034                                         _debug("update_rss_feed: looking for tags [1]...");
1035                                 }
1036
1037                                 // parse <category> entries into tags
1038
1039                                 $additional_tags = array();
1040
1041                                 if ($use_simplepie) {
1042
1043                                         $additional_tags_src = $item->get_categories();
1044
1045                                         if (is_array($additional_tags_src)) {
1046                                                 foreach ($additional_tags_src as $tobj) {
1047                                                         array_push($additional_tags, $tobj->get_term());
1048                                                 }
1049                                         }
1050
1051                                         if ($debug_enabled) {
1052                                                 _debug("update_rss_feed: category tags:");
1053                                                 print_r($additional_tags);
1054                                         }
1055
1056                                 } else {
1057
1058                                         $t_ctr = $item['category#'];
1059
1060                                         if ($t_ctr == 0) {
1061                                                 $additional_tags = array();
1062                                         } else if ($t_ctr > 0) {
1063                                                 $additional_tags = array($item['category']);
1064
1065                                                 if ($item['category@term']) {
1066                                                         array_push($additional_tags, $item['category@term']);
1067                                                 }
1068
1069                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1070                                                         if ($item["category#$i"]) {
1071                                                                 array_push($additional_tags, $item["category#$i"]);
1072                                                         }
1073
1074                                                         if ($item["category#$i@term"]) {
1075                                                                 array_push($additional_tags, $item["category#$i@term"]);
1076                                                         }
1077                                                 }
1078                                         }
1079
1080                                         // parse <dc:subject> elements
1081
1082                                         $t_ctr = $item['dc']['subject#'];
1083
1084                                         if ($t_ctr > 0) {
1085                                                 array_push($additional_tags, $item['dc']['subject']);
1086
1087                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1088                                                         if ($item['dc']["subject#$i"]) {
1089                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
1090                                                         }
1091                                                 }
1092                                         }
1093                                 }
1094
1095                                 if ($debug_enabled) {
1096                                         _debug("update_rss_feed: looking for tags [2]...");
1097                                 }
1098
1099                                 /* taaaags */
1100                                 // <a href="..." rel="tag">Xorg</a>, //
1101
1102                                 $entry_tags = null;
1103
1104                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?\>([^<]+)<\/a>/i",
1105                                         $entry_content_unescaped, $entry_tags);
1106
1107                                 $entry_tags = $entry_tags[1];
1108
1109                                 $entry_tags = array_merge($entry_tags, $additional_tags);
1110                                 $entry_tags = array_unique($entry_tags);
1111
1112                                 for ($i = 0; $i < count($entry_tags); $i++)
1113                                         $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
1114
1115                                 if ($debug_enabled) {
1116                                         _debug("update_rss_feed: unfiltered tags found:");
1117                                         print_r($entry_tags);
1118                                 }
1119
1120                                 # sanitize content
1121
1122                                 $entry_content = sanitize_article_content($entry_content);
1123                                 $entry_title = sanitize_article_content($entry_title);
1124
1125                                 if ($debug_enabled) {
1126                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1127                                 }
1128
1129                                 db_query($link, "BEGIN");
1130
1131                                 if (db_num_rows($result) == 0) {
1132
1133                                         if ($debug_enabled) {
1134                                                 _debug("update_rss_feed: base guid not found");
1135                                         }
1136
1137                                         // base post entry does not exist, create it
1138
1139                                         $result = db_query($link,
1140                                                 "INSERT INTO ttrss_entries
1141                                                         (title,
1142                                                         guid,
1143                                                         link,
1144                                                         updated,
1145                                                         content,
1146                                                         content_hash,
1147                                                         no_orig_date,
1148                                                         date_updated,
1149                                                         date_entered,
1150                                                         comments,
1151                                                         num_comments,
1152                                                         author)
1153                                                 VALUES
1154                                                         ('$entry_title',
1155                                                         '$entry_guid',
1156                                                         '$entry_link',
1157                                                         '$entry_timestamp_fmt',
1158                                                         '$entry_content',
1159                                                         '$content_hash',
1160                                                         $no_orig_date,
1161                                                         NOW(),
1162                                                         NOW(),
1163                                                         '$entry_comments',
1164                                                         '$num_comments',
1165                                                         '$entry_author')");
1166                                 } else {
1167                                         // we keep encountering the entry in feeds, so we need to
1168                                         // update date_updated column so that we don't get horrible
1169                                         // dupes when the entry gets purged and reinserted again e.g.
1170                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1171
1172                                         $base_entry_id = db_fetch_result($result, 0, "id");
1173
1174                                         db_query($link, "UPDATE ttrss_entries SET date_updated = NOW()
1175                                                 WHERE id = '$base_entry_id'");
1176                                 }
1177
1178                                 // now it should exist, if not - bad luck then
1179
1180                                 $result = db_query($link, "SELECT
1181                                                 id,content_hash,no_orig_date,title,
1182                                                 ".SUBSTRING_FOR_DATE."(date_updated,1,19) as date_updated,
1183                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1184                                                 num_comments
1185                                         FROM
1186                                                 ttrss_entries
1187                                         WHERE guid = '$entry_guid'");
1188
1189                                 $entry_ref_id = 0;
1190                                 $entry_int_id = 0;
1191
1192                                 if (db_num_rows($result) == 1) {
1193
1194                                         if ($debug_enabled) {
1195                                                 _debug("update_rss_feed: base guid found, checking for user record");
1196                                         }
1197
1198                                         // this will be used below in update handler
1199                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1200                                         $orig_title = db_fetch_result($result, 0, "title");
1201                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1202                                         $orig_date_updated = strtotime(db_fetch_result($result,
1203                                                 0, "date_updated"));
1204
1205                                         $ref_id = db_fetch_result($result, 0, "id");
1206                                         $entry_ref_id = $ref_id;
1207
1208                                         // check for user post link to main table
1209
1210                                         // do we allow duplicate posts with same GUID in different feeds?
1211                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1212                                                 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
1213                                         } else {
1214                                                 $dupcheck_qpart = "";
1215                                         }
1216
1217                                         /* Collect article tags here so we could filter by them: */
1218
1219                                         $article_filters = get_article_filters($filters, $entry_title,
1220                                                 $entry_content, $entry_link, $entry_timestamp, $entry_author,
1221                                                 $entry_tags);
1222
1223                                         if ($debug_enabled) {
1224                                                 _debug("update_rss_feed: article filters: ");
1225                                                 if (count($article_filters) != 0) {
1226                                                         print_r($article_filters);
1227                                                 }
1228                                         }
1229
1230                                         if (find_article_filter($article_filters, "filter")) {
1231                                                 db_query($link, "COMMIT"); // close transaction in progress
1232                                                 continue;
1233                                         }
1234
1235                                         $score = calculate_article_score($article_filters);
1236
1237                                         if ($debug_enabled) {
1238                                                 _debug("update_rss_feed: initial score: $score");
1239                                         }
1240
1241                                         $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1242                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1243                                                         $dupcheck_qpart";
1244
1245 //                                      if ($_REQUEST["xdebug"]) print "$query\n";
1246
1247                                         $result = db_query($link, $query);
1248
1249                                         // okay it doesn't exist - create user entry
1250                                         if (db_num_rows($result) == 0) {
1251
1252                                                 if ($debug_enabled) {
1253                                                         _debug("update_rss_feed: user record not found, creating...");
1254                                                 }
1255
1256                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1257                                                         $unread = 'true';
1258                                                         $last_read_qpart = 'NULL';
1259                                                 } else {
1260                                                         $unread = 'false';
1261                                                         $last_read_qpart = 'NOW()';
1262                                                 }
1263
1264                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1265                                                         $marked = 'true';
1266                                                 } else {
1267                                                         $marked = 'false';
1268                                                 }
1269
1270                                                 if (find_article_filter($article_filters, 'publish')) {
1271                                                         $published = 'true';
1272                                                 } else {
1273                                                         $published = 'false';
1274                                                 }
1275
1276                                                 $result = db_query($link,
1277                                                         "INSERT INTO ttrss_user_entries
1278                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1279                                                                         published, score, tag_cache, label_cache, uuid)
1280                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1281                                                                 $last_read_qpart, $marked, $published, '$score', '', '', '')");
1282
1283                                                 if (PUBSUBHUBBUB_HUB && $published == 'true') {
1284                                                         $rss_link = get_self_url_prefix() .
1285                                                                 "/backend.php?op=rss&id=-2&key=" .
1286                                                                 get_feed_access_key($link, -2, false, $owner_uid);
1287
1288                                                         $p = new Publisher(PUBSUBHUBBUB_HUB);
1289
1290                                                         $pubsub_result = $p->publish_update($rss_link);
1291                                                 }
1292
1293                                                 $result = db_query($link,
1294                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1295                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1296                                                                 feed_id = '$feed' LIMIT 1");
1297
1298                                                 if (db_num_rows($result) == 1) {
1299                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1300                                                 }
1301                                         } else {
1302                                                 if ($debug_enabled) {
1303                                                         _debug("update_rss_feed: user record FOUND");
1304                                                 }
1305
1306                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1307                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1308                                         }
1309
1310                                         if ($debug_enabled) {
1311                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1312                                         }
1313
1314                                         $post_needs_update = false;
1315                                         $update_insignificant = false;
1316
1317                                         if ($orig_num_comments != $num_comments) {
1318                                                 $post_needs_update = true;
1319                                                 $update_insignificant = true;
1320                                         }
1321
1322                                         if ($content_hash != $orig_content_hash) {
1323                                                 $post_needs_update = true;
1324                                                 $update_insignificant = false;
1325                                         }
1326
1327                                         if (db_escape_string($orig_title) != $entry_title) {
1328                                                 $post_needs_update = true;
1329                                                 $update_insignificant = false;
1330                                         }
1331
1332                                         // if post needs update, update it and mark all user entries
1333                                         // linking to this post as updated
1334                                         if ($post_needs_update) {
1335
1336                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1337                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1338                                                 }
1339
1340 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1341
1342                                                 db_query($link, "UPDATE ttrss_entries
1343                                                         SET title = '$entry_title', content = '$entry_content',
1344                                                                 content_hash = '$content_hash',
1345                                                                 updated = '$entry_timestamp_fmt',
1346                                                                 num_comments = '$num_comments'
1347                                                         WHERE id = '$ref_id'");
1348
1349                                                 if (!$update_insignificant) {
1350                                                         if ($mark_unread_on_update) {
1351                                                                 db_query($link, "UPDATE ttrss_user_entries
1352                                                                         SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1353                                                         } else if ($update_on_checksum_change) {
1354                                                                 db_query($link, "UPDATE ttrss_user_entries
1355                                                                         SET last_read = null WHERE ref_id = '$ref_id'
1356                                                                                 AND unread = false");
1357                                                         }
1358                                                 }
1359                                         }
1360                                 }
1361
1362                                 db_query($link, "COMMIT");
1363
1364                                 if ($debug_enabled) {
1365                                         _debug("update_rss_feed: assigning labels...");
1366                                 }
1367
1368                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1369                                         $owner_uid);
1370
1371                                 if ($debug_enabled) {
1372                                         _debug("update_rss_feed: looking for enclosures...");
1373                                 }
1374
1375                                 // enclosures
1376
1377                                 $enclosures = array();
1378
1379                                 if ($use_simplepie) {
1380                                         $encs = $item->get_enclosures();
1381
1382                                         if (is_array($encs)) {
1383                                                 foreach ($encs as $e) {
1384                                                         $e_item = array(
1385                                                                 $e->link, $e->type, $e->length);
1386
1387                                                         array_push($enclosures, $e_item);
1388                                                 }
1389                                         }
1390
1391                                 } else {
1392                                         // <enclosure>
1393
1394                                         $e_ctr = $item['enclosure#'];
1395
1396                                         if ($e_ctr > 0) {
1397                                                 $e_item = array($item['enclosure@url'],
1398                                                         $item['enclosure@type'],
1399                                                         $item['enclosure@length']);
1400
1401                                                 array_push($enclosures, $e_item);
1402
1403                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1404
1405                                                         if ($item["enclosure#$i@url"]) {
1406                                                                 $e_item = array($item["enclosure#$i@url"],
1407                                                                         $item["enclosure#$i@type"],
1408                                                                         $item["enclosure#$i@length"]);
1409                                                                 array_push($enclosures, $e_item);
1410                                                         }
1411                                                 }
1412                                         }
1413
1414                                         // <media:content>
1415                                         // can there be many of those? yes -fox
1416
1417                                         $m_ctr = $item['media']['content#'];
1418
1419                                         if ($m_ctr > 0) {
1420                                                 $e_item = array($item['media']['content@url'],
1421                                                         $item['media']['content@medium'],
1422                                                         $item['media']['content@length']);
1423
1424                                                 array_push($enclosures, $e_item);
1425
1426                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1427
1428                                                         if ($item["media"]["content#$i@url"]) {
1429                                                                 $e_item = array($item["media"]["content#$i@url"],
1430                                                                         $item["media"]["content#$i@medium"],
1431                                                                         $item["media"]["content#$i@length"]);
1432                                                                 array_push($enclosures, $e_item);
1433                                                         }
1434                                                 }
1435
1436                                         }
1437                                 }
1438
1439
1440                                 if ($debug_enabled) {
1441                                         _debug("update_rss_feed: article enclosures:");
1442                                         print_r($enclosures);
1443                                 }
1444
1445                                 db_query($link, "BEGIN");
1446
1447                                 foreach ($enclosures as $enc) {
1448                                         $enc_url = db_escape_string($enc[0]);
1449                                         $enc_type = db_escape_string($enc[1]);
1450                                         $enc_dur = db_escape_string($enc[2]);
1451
1452                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1453                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1454
1455                                         if (db_num_rows($result) == 0) {
1456                                                 db_query($link, "INSERT INTO ttrss_enclosures
1457                                                         (content_url, content_type, title, duration, post_id) VALUES
1458                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1459                                         }
1460                                 }
1461
1462                                 db_query($link, "COMMIT");
1463
1464                                 // check for manual tags (we have to do it here since they're loaded from filters)
1465
1466                                 foreach ($article_filters as $f) {
1467                                         if ($f[0] == "tag") {
1468
1469                                                 $manual_tags = trim_array(explode(",", $f[1]));
1470
1471                                                 foreach ($manual_tags as $tag) {
1472                                                         if (tag_is_valid($tag)) {
1473                                                                 array_push($entry_tags, $tag);
1474                                                         }
1475                                                 }
1476                                         }
1477                                 }
1478
1479                                 // Skip boring tags
1480
1481                                 $boring_tags = trim_array(explode(",", mb_strtolower(get_pref($link,
1482                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1483
1484                                 $filtered_tags = array();
1485                                 $tags_to_cache = array();
1486
1487                                 if ($entry_tags && is_array($entry_tags)) {
1488                                         foreach ($entry_tags as $tag) {
1489                                                 if (array_search($tag, $boring_tags) === false) {
1490                                                         array_push($filtered_tags, $tag);
1491                                                 }
1492                                         }
1493                                 }
1494
1495                                 $filtered_tags = array_unique($filtered_tags);
1496
1497                                 if ($debug_enabled) {
1498                                         _debug("update_rss_feed: filtered article tags:");
1499                                         print_r($filtered_tags);
1500                                 }
1501
1502                                 // Save article tags in the database
1503
1504                                 if (count($filtered_tags) > 0) {
1505
1506                                         db_query($link, "BEGIN");
1507
1508                                         foreach ($filtered_tags as $tag) {
1509
1510                                                 $tag = sanitize_tag($tag);
1511                                                 $tag = db_escape_string($tag);
1512
1513                                                 if (!tag_is_valid($tag)) continue;
1514
1515                                                 $result = db_query($link, "SELECT id FROM ttrss_tags
1516                                                         WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1517                                                         owner_uid = '$owner_uid' LIMIT 1");
1518
1519                                                         if ($result && db_num_rows($result) == 0) {
1520
1521                                                                 db_query($link, "INSERT INTO ttrss_tags
1522                                                                         (owner_uid,tag_name,post_int_id)
1523                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1524                                                         }
1525
1526                                                 array_push($tags_to_cache, $tag);
1527                                         }
1528
1529                                         /* update the cache */
1530
1531                                         $tags_to_cache = array_unique($tags_to_cache);
1532
1533                                         $tags_str = db_escape_string(join(",", $tags_to_cache));
1534
1535                                         db_query($link, "UPDATE ttrss_user_entries
1536                                                 SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id'
1537                                                 AND owner_uid = $owner_uid");
1538
1539                                         db_query($link, "COMMIT");
1540                                 }
1541
1542                                 if ($debug_enabled) {
1543                                         _debug("update_rss_feed: article processed");
1544                                 }
1545                         }
1546
1547                         if (!$last_updated) {
1548                                 if ($debug_enabled) {
1549                                         _debug("update_rss_feed: new feed, catching it up...");
1550                                 }
1551                                 catchup_feed($link, $feed, false, $owner_uid);
1552                         }
1553
1554                         if ($debug_enabled) {
1555                                 _debug("purging feed...");
1556                         }
1557
1558                         purge_feed($link, $feed, 0, $debug_enabled);
1559
1560                         db_query($link, "UPDATE ttrss_feeds
1561                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1562
1563 //                      db_query($link, "COMMIT");
1564
1565                 } else {
1566
1567                         if ($use_simplepie) {
1568                                 $error_msg = mb_substr($rss->error(), 0, 250);
1569                         } else {
1570                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1571                         }
1572
1573                         if ($debug_enabled) {
1574                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1575                         }
1576
1577                         $error_msg = db_escape_string($error_msg);
1578
1579                         db_query($link,
1580                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1581                                         last_updated = NOW() WHERE id = '$feed'");
1582                 }
1583
1584                 if ($use_simplepie) {
1585                         unset($rss);
1586                 }
1587
1588                 if ($debug_enabled) {
1589                         _debug("update_rss_feed: done");
1590                 }
1591
1592         }
1593
1594         function print_select($id, $default, $values, $attributes = "") {
1595                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1596                 foreach ($values as $v) {
1597                         if ($v == $default)
1598                                 $sel = "selected=\"1\"";
1599                          else
1600                                 $sel = "";
1601
1602                         print "<option value=\"$v\" $sel>$v</option>";
1603                 }
1604                 print "</select>";
1605         }
1606
1607         function print_select_hash($id, $default, $values, $attributes = "") {
1608                 print "<select name=\"$id\" id='$id' $attributes>";
1609                 foreach (array_keys($values) as $v) {
1610                         if ($v == $default)
1611                                 $sel = 'selected="selected"';
1612                          else
1613                                 $sel = "";
1614
1615                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1616                 }
1617
1618                 print "</select>";
1619         }
1620
1621         function get_article_filters($filters, $title, $content, $link, $timestamp, $author, $tags) {
1622                 $matches = array();
1623
1624                 if ($filters["title"]) {
1625                         foreach ($filters["title"] as $filter) {
1626                                 $reg_exp = $filter["reg_exp"];
1627                                 $inverse = $filter["inverse"];
1628                                 if ((!$inverse && @preg_match("/$reg_exp/i", $title)) ||
1629                                                 ($inverse && !@preg_match("/$reg_exp/i", $title))) {
1630
1631                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1632                                 }
1633                         }
1634                 }
1635
1636                 if ($filters["content"]) {
1637                         foreach ($filters["content"] as $filter) {
1638                                 $reg_exp = $filter["reg_exp"];
1639                                 $inverse = $filter["inverse"];
1640
1641                                 if ((!$inverse && @preg_match("/$reg_exp/i", $content)) ||
1642                                                 ($inverse && !@preg_match("/$reg_exp/i", $content))) {
1643
1644                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1645                                 }
1646                         }
1647                 }
1648
1649                 if ($filters["both"]) {
1650                         foreach ($filters["both"] as $filter) {
1651                                 $reg_exp = $filter["reg_exp"];
1652                                 $inverse = $filter["inverse"];
1653
1654                                 if ($inverse) {
1655                                         if (!@preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1656                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1657                                         }
1658                                 } else {
1659                                         if (@preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1660                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1661                                         }
1662                                 }
1663                         }
1664                 }
1665
1666                 if ($filters["link"]) {
1667                         $reg_exp = $filter["reg_exp"];
1668                         foreach ($filters["link"] as $filter) {
1669                                 $reg_exp = $filter["reg_exp"];
1670                                 $inverse = $filter["inverse"];
1671
1672                                 if ((!$inverse && @preg_match("/$reg_exp/i", $link)) ||
1673                                                 ($inverse && !@preg_match("/$reg_exp/i", $link))) {
1674
1675                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1676                                 }
1677                         }
1678                 }
1679
1680                 if ($filters["date"]) {
1681                         $reg_exp = $filter["reg_exp"];
1682                         foreach ($filters["date"] as $filter) {
1683                                 $date_modifier = $filter["filter_param"];
1684                                 $inverse = $filter["inverse"];
1685                                 $check_timestamp = strtotime($filter["reg_exp"]);
1686
1687                                 # no-op when timestamp doesn't parse to prevent misfires
1688
1689                                 if ($check_timestamp) {
1690                                         $match_ok = false;
1691
1692                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1693                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1694                                                         $match_ok = true;
1695                                         }
1696
1697                                         if ($inverse) $match_ok = !$match_ok;
1698
1699                                         if ($match_ok) {
1700                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1701                                         }
1702                                 }
1703                         }
1704                 }
1705
1706                 if ($filters["author"]) {
1707                         foreach ($filters["author"] as $filter) {
1708                                 $reg_exp = $filter["reg_exp"];
1709                                 $inverse = $filter["inverse"];
1710                                 if ((!$inverse && @preg_match("/$reg_exp/i", $author)) ||
1711                                                 ($inverse && !@preg_match("/$reg_exp/i", $author))) {
1712
1713                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1714                                 }
1715                         }
1716                 }
1717
1718                 if ($filters["tag"]) {
1719
1720                         $tag_string = join(",", $tags);
1721
1722                         foreach ($filters["tag"] as $filter) {
1723                                 $reg_exp = $filter["reg_exp"];
1724                                 $inverse = $filter["inverse"];
1725
1726                                 if ((!$inverse && @preg_match("/$reg_exp/i", $tag_string)) ||
1727                                                 ($inverse && !@preg_match("/$reg_exp/i", $tag_string))) {
1728
1729                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1730                                 }
1731                         }
1732                 }
1733
1734
1735                 return $matches;
1736         }
1737
1738         function find_article_filter($filters, $filter_name) {
1739                 foreach ($filters as $f) {
1740                         if ($f[0] == $filter_name) {
1741                                 return $f;
1742                         };
1743                 }
1744                 return false;
1745         }
1746
1747         function calculate_article_score($filters) {
1748                 $score = 0;
1749
1750                 foreach ($filters as $f) {
1751                         if ($f[0] == "score") {
1752                                 $score += $f[1];
1753                         };
1754                 }
1755                 return $score;
1756         }
1757
1758         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1759                 foreach ($filters as $f) {
1760                         if ($f[0] == "label") {
1761                                 label_add_article($link, $id, $f[1], $owner_uid);
1762                         };
1763                 }
1764         }
1765
1766         function getmicrotime() {
1767                 list($usec, $sec) = explode(" ",microtime());
1768                 return ((float)$usec + (float)$sec);
1769         }
1770
1771         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1772                 foreach ($values as $v) {
1773
1774                         if ($v == $default)
1775                                 $sel = "checked";
1776                          else
1777                                 $sel = "";
1778
1779                         if ($v == $true_is) {
1780                                 $sel .= " value=\"1\"";
1781                         } else {
1782                                 $sel .= " value=\"0\"";
1783                         }
1784
1785                         print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
1786                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1787
1788                 }
1789         }
1790
1791         function initialize_user_prefs($link, $uid, $profile = false) {
1792
1793                 $uid = db_escape_string($uid);
1794
1795                 if (!$profile) {
1796                         $profile = "NULL";
1797                         $profile_qpart = "AND profile IS NULL";
1798                 } else {
1799                         $profile_qpart = "AND profile = '$profile'";
1800                 }
1801
1802                 if (get_schema_version($link) < 63) $profile_qpart = "";
1803
1804                 db_query($link, "BEGIN");
1805
1806                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1807
1808                 $u_result = db_query($link, "SELECT pref_name
1809                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
1810
1811                 $active_prefs = array();
1812
1813                 while ($line = db_fetch_assoc($u_result)) {
1814                         array_push($active_prefs, $line["pref_name"]);
1815                 }
1816
1817                 while ($line = db_fetch_assoc($result)) {
1818                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1819 //                              print "adding " . $line["pref_name"] . "<br>";
1820
1821                                 if (get_schema_version($link) < 63) {
1822                                         db_query($link, "INSERT INTO ttrss_user_prefs
1823                                                 (owner_uid,pref_name,value) VALUES
1824                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1825
1826                                 } else {
1827                                         db_query($link, "INSERT INTO ttrss_user_prefs
1828                                                 (owner_uid,pref_name,value, profile) VALUES
1829                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
1830                                 }
1831
1832                         }
1833                 }
1834
1835                 db_query($link, "COMMIT");
1836
1837         }
1838
1839         function lookup_user_id($link, $user) {
1840
1841                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE login = '$user'");
1842
1843                 if (db_num_rows($result) == 1) {
1844                         return db_fetch_result($result, 0, "id");
1845                 } else {
1846                         return false;
1847                 }
1848         }
1849
1850 /*      function http_authenticate_user($link) {
1851                 if (!$_SERVER["PHP_AUTH_USER"]) {
1852
1853                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1854                         header('HTTP/1.0 401 Unauthorized');
1855                         exit;
1856
1857                 } else {
1858                         $auth_result = authenticate_user($link,
1859                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1860
1861                         if (!$auth_result) {
1862                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1863                                 header('HTTP/1.0 401 Unauthorized');
1864                                 exit;
1865                         }
1866                 }
1867
1868                 return true;
1869         } */
1870
1871         function get_ssl_certificate_id() {
1872                 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
1873                         return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
1874                                 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
1875                                 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
1876                                 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
1877                 }
1878                 return "";
1879         }
1880
1881         function get_login_by_ssl_certificate($link) {
1882
1883                 $cert_serial = db_escape_string(get_ssl_certificate_id());
1884
1885                 if ($cert_serial) {
1886                         $result = db_query($link, "SELECT login FROM ttrss_user_prefs, ttrss_users
1887                                 WHERE pref_name = 'SSL_CERT_SERIAL' AND value = '$cert_serial' AND
1888                                 owner_uid = ttrss_users.id");
1889
1890                         if (db_num_rows($result) != 0) {
1891                                 return db_escape_string(db_fetch_result($result, 0, "login"));
1892                         }
1893                 }
1894
1895                 return "";
1896         }
1897
1898         function get_remote_user($link) {
1899
1900                 if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH) {
1901                         return db_escape_string($_SERVER["REMOTE_USER"]);
1902                 }
1903
1904                 return db_escape_string(get_login_by_ssl_certificate($link));
1905         }
1906
1907         function get_remote_fakepass($link) {
1908                 if (get_remote_user($link))
1909                         return "******";
1910                 else
1911                         return "";
1912         }
1913
1914         function authenticate_user($link, $login, $password, $force_auth = false) {
1915
1916                 if (!SINGLE_USER_MODE) {
1917
1918                         $pwd_hash1 = encrypt_password($password);
1919                         $pwd_hash2 = encrypt_password($password, $login);
1920                         $login = db_escape_string($login);
1921
1922                         $remote_user = get_remote_user($link);
1923
1924                         if ($remote_user && $remote_user == $login && $login != "admin") {
1925
1926                                 $login = $remote_user;
1927
1928                                 $query = "SELECT id,login,access_level,pwd_hash
1929                     FROM ttrss_users WHERE
1930                                         login = '$login'";
1931
1932                                 if (defined('AUTO_CREATE_USER') && AUTO_CREATE_USER
1933                                                 && $_SERVER["REMOTE_USER"]) {
1934                                         $result = db_query($link, $query);
1935
1936                                         // First login ?
1937                                         if (db_num_rows($result) == 0) {
1938                                                 $query2 = "INSERT INTO ttrss_users
1939                                                                 (login,access_level,last_login,created)
1940                                                                 VALUES ('$login', 0, null, NOW())";
1941                                                 db_query($link, $query2);
1942                                         }
1943                                 }
1944
1945                         } else {
1946                                 $query = "SELECT id,login,access_level,pwd_hash
1947                     FROM ttrss_users WHERE
1948                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1949                                                 pwd_hash = '$pwd_hash2')";
1950                         }
1951
1952                         $result = db_query($link, $query);
1953
1954                         if (db_num_rows($result) == 1) {
1955                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1956                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1957                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1958
1959                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1960                                         $_SESSION["uid"]);
1961
1962
1963                                 // LemonLDAP can send user informations via HTTP HEADER
1964                                 if (defined('AUTO_CREATE_USER') && AUTO_CREATE_USER){
1965                                         // update user name
1966                                         $fullname = $_SERVER['HTTP_USER_NAME'] ? $_SERVER['HTTP_USER_NAME'] : $_SERVER['AUTHENTICATE_CN'];
1967                                         if ($fullname){
1968                                                 $fullname = db_escape_string($fullname);
1969                                                 db_query($link, "UPDATE ttrss_users SET full_name = '$fullname' WHERE id = " .
1970                                                         $_SESSION["uid"]);
1971                                         }
1972                                         // update user mail
1973                                         $email = $_SERVER['HTTP_USER_MAIL'] ? $_SERVER['HTTP_USER_MAIL'] : $_SERVER['AUTHENTICATE_MAIL'];
1974                                         if ($email){
1975                                                 $email = db_escape_string($email);
1976                                                 db_query($link, "UPDATE ttrss_users SET email = '$email' WHERE id = " .
1977                                                         $_SESSION["uid"]);
1978                                         }
1979                                 }
1980
1981                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1982                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1983
1984                                 $_SESSION["last_version_check"] = time();
1985
1986                                 initialize_user_prefs($link, $_SESSION["uid"]);
1987
1988                                 return true;
1989                         }
1990
1991                         return false;
1992
1993                 } else {
1994
1995                         $_SESSION["uid"] = 1;
1996                         $_SESSION["name"] = "admin";
1997
1998                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1999
2000                         initialize_user_prefs($link, $_SESSION["uid"]);
2001
2002                         return true;
2003                 }
2004         }
2005
2006         function make_password($length = 8) {
2007
2008                 $password = "";
2009                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
2010
2011         $i = 0;
2012
2013                 while ($i < $length) {
2014                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
2015
2016                         if (!strstr($password, $char)) {
2017                                 $password .= $char;
2018                                 $i++;
2019                         }
2020                 }
2021                 return $password;
2022         }
2023
2024         // this is called after user is created to initialize default feeds, labels
2025         // or whatever else
2026
2027         // user preferences are checked on every login, not here
2028
2029         function initialize_user($link, $uid) {
2030
2031                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
2032                         values ('$uid', 'Tiny Tiny RSS: New Releases',
2033                         'http://tt-rss.org/releases.rss')");
2034
2035                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
2036                         values ('$uid', 'Tiny Tiny RSS: Forum',
2037                                 'http://tt-rss.org/forum/rss.php')");
2038         }
2039
2040         function logout_user() {
2041                 session_destroy();
2042                 if (isset($_COOKIE[session_name()])) {
2043                    setcookie(session_name(), '', time()-42000, '/');
2044                 }
2045         }
2046
2047         function get_script_urlpath() {
2048                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
2049         }
2050
2051         function validate_session($link) {
2052                 if (SINGLE_USER_MODE) return true;
2053
2054                 $check_ip = $_SESSION['ip_address'];
2055
2056                 switch (SESSION_CHECK_ADDRESS) {
2057                 case 0:
2058                         $check_ip = '';
2059                         break;
2060                 case 1:
2061                         $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1);
2062                         break;
2063                 case 2:
2064                         $check_ip = substr($check_ip, 0, strrpos($check_ip, '.'));
2065                         $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1);
2066                         break;
2067                 };
2068
2069                 if ($check_ip && strpos($_SERVER['REMOTE_ADDR'], $check_ip) !== 0) {
2070                         $_SESSION["login_error_msg"] =
2071                                 __("Session failed to validate (incorrect IP)");
2072                         return false;
2073                 }
2074
2075                 if ($_SESSION["ref_schema_version"] != get_schema_version($link, true))
2076                         return false;
2077
2078                 if ($_SESSION["uid"]) {
2079
2080                         $result = db_query($link,
2081                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
2082
2083                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
2084
2085                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
2086                                 return false;
2087                         }
2088                 }
2089
2090 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
2091
2092                         //print_r($_SESSION);
2093
2094                         if (time() > $_SESSION["cookie_lifetime"]) {
2095                                 return false;
2096                         }
2097                 } */
2098
2099                 return true;
2100         }
2101
2102         function login_sequence($link, $mobile = false) {
2103                 if (!SINGLE_USER_MODE) {
2104
2105                         $login_action = $_POST["login_action"];
2106
2107                         # try to authenticate user if called from login form
2108                         if ($login_action == "do_login") {
2109                                 $login = $_POST["login"];
2110                                 $password = $_POST["password"];
2111                                 $remember_me = $_POST["remember_me"];
2112
2113                                 if (authenticate_user($link, $login, $password)) {
2114                                         $_POST["password"] = "";
2115
2116                                         $_SESSION["language"] = $_POST["language"];
2117                                         $_SESSION["ref_schema_version"] = get_schema_version($link, true);
2118                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
2119
2120                                         if ($_POST["profile"]) {
2121
2122                                                 $profile = db_escape_string($_POST["profile"]);
2123
2124                                                 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
2125                                                         WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
2126
2127                                                 if (db_num_rows($result) != 0) {
2128                                                         $_SESSION["profile"] = $profile;
2129                                                         $_SESSION["prefs_cache"] = array();
2130                                                 }
2131                                         }
2132
2133                                         if ($_REQUEST['return']) {
2134                                                 header("Location: " . $_REQUEST['return']);
2135                                         } else {
2136                                                 header("Location: " . $_SERVER["REQUEST_URI"]);
2137                                         }
2138
2139                                         exit;
2140
2141                                         return;
2142                                 } else {
2143                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
2144                                 }
2145                         }
2146
2147                         if (!$_SESSION["uid"] || !validate_session($link)) {
2148
2149                                 if (get_remote_user($link) && AUTO_LOGIN) {
2150                                     authenticate_user($link, get_remote_user($link), null);
2151                                     $_SESSION["ref_schema_version"] = get_schema_version($link, true);
2152                                 } else {
2153                                     render_login_form($link, $mobile);
2154                                     //header("Location: login.php");
2155                                     exit;
2156                                 }
2157                         } else {
2158                                 /* bump login timestamp */
2159                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
2160                                         $_SESSION["uid"]);
2161
2162                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
2163                                         setcookie("ttrss_lang", $_SESSION["language"],
2164                                                 time() + SESSION_COOKIE_LIFETIME);
2165                                 }
2166
2167                                 // try to remove possible duplicates from feed counter cache
2168 //                              ccache_cleanup($link, $_SESSION["uid"]);
2169                         }
2170
2171                 } else {
2172                         return authenticate_user($link, "admin", null);
2173                 }
2174         }
2175
2176         function truncate_string($str, $max_len, $suffix = '&hellip;') {
2177                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
2178                         return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
2179                 } else {
2180                         return $str;
2181                 }
2182         }
2183
2184         function theme_image($link, $filename) {
2185                 if ($link) {
2186                         $theme_path = get_user_theme_path($link);
2187
2188                         if ($theme_path && is_file($theme_path.$filename)) {
2189                                 return $theme_path.$filename;
2190                         } else {
2191                                 return $filename;
2192                         }
2193                 } else {
2194                         return $filename;
2195                 }
2196         }
2197
2198         function get_user_theme($link) {
2199
2200                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2201                         $theme_name = get_pref($link, "_THEME_ID");
2202                         if (is_dir("themes/$theme_name")) {
2203                                 return $theme_name;
2204                         } else {
2205                                 return '';
2206                         }
2207                 } else {
2208                         return '';
2209                 }
2210
2211         }
2212
2213         function get_user_theme_path($link) {
2214                 $theme_path = '';
2215
2216                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2217                         $theme_name = get_pref($link, "_THEME_ID");
2218
2219                         if ($theme_name && is_dir("themes/$theme_name")) {
2220                                 $theme_path = "themes/$theme_name/";
2221                         } else {
2222                                 $theme_name = '';
2223                         }
2224                 } else {
2225                         $theme_path = '';
2226                 }
2227
2228                 if ($theme_path) {
2229                         if (is_file("$theme_path/theme.ini")) {
2230                                 $ini = parse_ini_file("$theme_path/theme.ini", true);
2231                                 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED) {
2232                                         return $theme_path;
2233                                 }
2234                         }
2235                 }
2236                 return '';
2237         }
2238
2239         function get_user_theme_options($link) {
2240                 $t = get_user_theme_path($link);
2241
2242                 if ($t) {
2243                         if (is_file("$t/theme.ini")) {
2244                                 $ini = parse_ini_file("$t/theme.ini", true);
2245                                 if ($ini['theme']['version']) {
2246                                         return $ini['theme']['options'];
2247                                 }
2248                         }
2249                 }
2250                 return '';
2251         }
2252
2253         function print_theme_includes($link) {
2254
2255                 $t = get_user_theme_path($link);
2256                 $time = time();
2257
2258                 if ($t) {
2259                         print "<link rel=\"stylesheet\" type=\"text/css\"
2260                                 href=\"$t/theme.css?$time \">";
2261                         if (file_exists("$t/theme.js")) {
2262                                 print "<script type=\"text/javascript\" src=\"$t/theme.js?$time\">
2263                                         </script>";
2264                         }
2265                 }
2266         }
2267
2268         function get_all_themes() {
2269                 $themes = glob("themes/*");
2270
2271                 asort($themes);
2272
2273                 $rv = array();
2274
2275                 foreach ($themes as $t) {
2276                         if (is_file("$t/theme.ini")) {
2277                                 $ini = parse_ini_file("$t/theme.ini", true);
2278                                 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED &&
2279                                                         !$ini['theme']['disabled']) {
2280                                         $entry = array();
2281                                         $entry["path"] = $t;
2282                                         $entry["base"] = basename($t);
2283                                         $entry["name"] = $ini['theme']['name'];
2284                                         $entry["version"] = $ini['theme']['version'];
2285                                         $entry["author"] = $ini['theme']['author'];
2286                                         $entry["options"] = $ini['theme']['options'];
2287                                         array_push($rv, $entry);
2288                                 }
2289                         }
2290                 }
2291
2292                 return $rv;
2293         }
2294
2295         function convert_timestamp($timestamp, $source_tz, $dest_tz) {
2296
2297                 try {
2298                         $source_tz = new DateTimeZone($source_tz);
2299                 } catch (Exception $e) {
2300                         $source_tz = new DateTimeZone('UTC');
2301                 }
2302
2303                 try {
2304                         $dest_tz = new DateTimeZone($dest_tz);
2305                 } catch (Exception $e) {
2306                         $dest_tz = new DateTimeZone('UTC');
2307                 }
2308
2309                 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
2310                 return $dt->format('U') + $dest_tz->getOffset($dt);
2311         }
2312
2313         function make_local_datetime($link, $timestamp, $long, $owner_uid = false,
2314                                         $no_smart_dt = false) {
2315
2316                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2317                 if (!$timestamp) $timestamp = '1970-01-01 0:00';
2318
2319                 global $utc_tz;
2320                 global $tz_offset;
2321
2322                 # We store date in UTC internally
2323                 $dt = new DateTime($timestamp, $utc_tz);
2324
2325                 if ($tz_offset == -1) {
2326
2327                         $user_tz_string = get_pref($link, 'USER_TIMEZONE', $owner_uid);
2328
2329                         try {
2330                                 $user_tz = new DateTimeZone($user_tz_string);
2331                         } catch (Exception $e) {
2332                                 $user_tz = $utc_tz;
2333                         }
2334
2335                         $tz_offset = $user_tz->getOffset($dt);
2336                 }
2337
2338                 $user_timestamp = $dt->format('U') + $tz_offset;
2339
2340                 if (!$no_smart_dt) {
2341                         return smart_date_time($link, $user_timestamp,
2342                                 $tz_offset, $owner_uid);
2343                 } else {
2344                         if ($long)
2345                                 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2346                         else
2347                                 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2348
2349                         return date($format, $user_timestamp);
2350                 }
2351         }
2352
2353         function smart_date_time($link, $timestamp, $tz_offset = 0, $owner_uid = false) {
2354                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2355
2356                 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
2357                         return date("G:i", $timestamp);
2358                 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
2359                         $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2360                         return date($format, $timestamp);
2361                 } else {
2362                         $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2363                         return date($format, $timestamp);
2364                 }
2365         }
2366
2367         function smart_date($timestamp) {
2368                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2369                         return "Today";
2370                 } else if (date("Y", $timestamp) == date("Y")) {
2371                         return date("D m", $timestamp);
2372                 } else {
2373                         return date("Y/m/d", $timestamp);
2374                 }
2375         }
2376
2377         function sql_bool_to_string($s) {
2378                 if ($s == "t" || $s == "1") {
2379                         return "true";
2380                 } else {
2381                         return "false";
2382                 }
2383         }
2384
2385         function sql_bool_to_bool($s) {
2386                 if ($s == "t" || $s == "1" || $s == "true") {
2387                         return true;
2388                 } else {
2389                         return false;
2390                 }
2391         }
2392
2393         function bool_to_sql_bool($s) {
2394                 if ($s) {
2395                         return "true";
2396                 } else {
2397                         return "false";
2398                 }
2399         }
2400
2401         function toggleEvenOdd($a) {
2402                 if ($a == "even")
2403                         return "odd";
2404                 else
2405                         return "even";
2406         }
2407
2408         // Session caching removed due to causing wrong redirects to upgrade
2409         // script when get_schema_version() is called on an obsolete session
2410         // created on a previous schema version.
2411         function get_schema_version($link, $nocache = false) {
2412                 global $schema_version;
2413
2414                 if (!$schema_version) {
2415                         $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2416                         $version = db_fetch_result($result, 0, "schema_version");
2417                         $schema_version = $version;
2418                         return $version;
2419                 } else {
2420                         return $schema_version;
2421                 }
2422         }
2423
2424         function sanity_check($link) {
2425
2426                 global $ERRORS;
2427
2428                 $error_code = 0;
2429                 $schema_version = get_schema_version($link, true);
2430
2431                 if ($schema_version != SCHEMA_VERSION) {
2432                         $error_code = 5;
2433                 }
2434
2435                 if (DB_TYPE == "mysql") {
2436                         $result = db_query($link, "SELECT true", false);
2437                         if (db_num_rows($result) != 1) {
2438                                 $error_code = 10;
2439                         }
2440                 }
2441
2442                 if (db_escape_string("testTEST") != "testTEST") {
2443                         $error_code = 12;
2444                 }
2445
2446                 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
2447         }
2448
2449         function file_is_locked($filename) {
2450                 if (function_exists('flock')) {
2451                         $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
2452                         if ($fp) {
2453                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2454                                         flock($fp, LOCK_UN);
2455                                         fclose($fp);
2456                                         return false;
2457                                 }
2458                                 fclose($fp);
2459                                 return true;
2460                         } else {
2461                                 return false;
2462                         }
2463                 }
2464                 return true; // consider the file always locked and skip the test
2465         }
2466
2467         function make_lockfile($filename) {
2468                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2469
2470                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2471                         if (function_exists('posix_getpid')) {
2472                                 fwrite($fp, posix_getpid() . "\n");
2473                         }
2474                         return $fp;
2475                 } else {
2476                         return false;
2477                 }
2478         }
2479
2480         function make_stampfile($filename) {
2481                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2482
2483                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2484                         fwrite($fp, time() . "\n");
2485                         flock($fp, LOCK_UN);
2486                         fclose($fp);
2487                         return true;
2488                 } else {
2489                         return false;
2490                 }
2491         }
2492
2493         function sql_random_function() {
2494                 if (DB_TYPE == "mysql") {
2495                         return "RAND()";
2496                 } else {
2497                         return "RANDOM()";
2498                 }
2499         }
2500
2501         function catchup_feed($link, $feed, $cat_view, $owner_uid = false) {
2502
2503                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2504
2505                         //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2506
2507                         if (is_numeric($feed)) {
2508                                 if ($cat_view) {
2509
2510                                         if ($feed >= 0) {
2511
2512                                                 if ($feed > 0) {
2513                                                         $cat_qpart = "cat_id = '$feed'";
2514                                                 } else {
2515                                                         $cat_qpart = "cat_id IS NULL";
2516                                                 }
2517
2518                                                 $tmp_result = db_query($link, "SELECT id
2519                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2520
2521                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2522
2523                                                         $tmp_feed = $tmp_line["id"];
2524
2525                                                         db_query($link, "UPDATE ttrss_user_entries
2526                                                                 SET unread = false,last_read = NOW()
2527                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2528                                                 }
2529                                         } else if ($feed == -2) {
2530
2531                                                 db_query($link, "UPDATE ttrss_user_entries
2532                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
2533                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
2534                                                         AND unread = true AND owner_uid = $owner_uid");
2535                                         }
2536
2537                                 } else if ($feed > 0) {
2538
2539                                         db_query($link, "UPDATE ttrss_user_entries
2540                                                         SET unread = false,last_read = NOW()
2541                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2542
2543                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2544
2545                                         if ($feed == -1) {
2546                                                 db_query($link, "UPDATE ttrss_user_entries
2547                                                         SET unread = false,last_read = NOW()
2548                                                         WHERE marked = true AND owner_uid = $owner_uid");
2549                                         }
2550
2551                                         if ($feed == -2) {
2552                                                 db_query($link, "UPDATE ttrss_user_entries
2553                                                         SET unread = false,last_read = NOW()
2554                                                         WHERE published = true AND owner_uid = $owner_uid");
2555                                         }
2556
2557                                         if ($feed == -3) {
2558
2559                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2560
2561                                                 if (DB_TYPE == "pgsql") {
2562                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2563                                                 } else {
2564                                                         $match_part = "updated > DATE_SUB(NOW(),
2565                                                                 INTERVAL $intl HOUR) ";
2566                                                 }
2567
2568                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2569                                                         ttrss_user_entries WHERE $match_part AND
2570                                                         unread = true AND
2571                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2572                                                         owner_uid = $owner_uid");
2573
2574                                                 $affected_ids = array();
2575
2576                                                 while ($line = db_fetch_assoc($result)) {
2577                                                         array_push($affected_ids, $line["id"]);
2578                                                 }
2579
2580                                                 catchupArticlesById($link, $affected_ids, 0);
2581                                         }
2582
2583                                         if ($feed == -4) {
2584                                                 db_query($link, "UPDATE ttrss_user_entries
2585                                                         SET unread = false,last_read = NOW()
2586                                                         WHERE owner_uid = $owner_uid");
2587                                         }
2588
2589                                 } else if ($feed < -10) { // label
2590
2591                                         $label_id = -$feed - 11;
2592
2593                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2594                                                 SET unread = false, last_read = NOW()
2595                                                         WHERE label_id = '$label_id' AND unread = true
2596                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2597
2598                                 }
2599
2600                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2601
2602                         } else { // tag
2603                                 db_query($link, "BEGIN");
2604
2605                                 $tag_name = db_escape_string($feed);
2606
2607                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2608                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2609
2610                                 while ($line = db_fetch_assoc($result)) {
2611                                         db_query($link, "UPDATE ttrss_user_entries SET
2612                                                 unread = false, last_read = NOW()
2613                                                 WHERE int_id = " . $line["post_int_id"]);
2614                                 }
2615                                 db_query($link, "COMMIT");
2616                         }
2617         }
2618
2619         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2620
2621                 if (!$omode) $omode = "flc";
2622
2623                 $data = getGlobalCounters($link);
2624
2625                 $data = array_merge($data, getVirtCounters($link));
2626
2627                 if (strchr($omode, "l")) $data = array_merge($data, getLabelCounters($link));
2628                 if (strchr($omode, "f")) $data = array_merge($data, getFeedCounters($link, $active_feed));
2629                 if (strchr($omode, "t")) $data = array_merge($data, getTagCounters($link));
2630                 if (strchr($omode, "c")) $data = array_merge($data, getCategoryCounters($link));
2631
2632                 return $data;
2633         }
2634
2635         function getCategoryCounters($link) {
2636                 $ret_arr = array();
2637
2638                 /* Labels category */
2639
2640                 $cv = array("id" => -2, "kind" => "cat",
2641                         "counter" => getCategoryUnread($link, -2));
2642
2643                 array_push($ret_arr, $cv);
2644
2645                 $age_qpart = getMaxAgeSubquery();
2646
2647                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2648                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2649                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2650                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2651
2652                 while ($line = db_fetch_assoc($result)) {
2653                         $line["cat_id"] = (int) $line["cat_id"];
2654
2655                         $cv = array("id" => $line["cat_id"], "kind" => "cat",
2656                                 "counter" => $line["unread"]);
2657
2658                         array_push($ret_arr, $cv);
2659                 }
2660
2661                 /* Special case: NULL category doesn't actually exist in the DB */
2662
2663                 $cv = array("id" => 0, "kind" => "cat",
2664                         "counter" => ccache_find($link, 0, $_SESSION["uid"], true));
2665
2666                 array_push($ret_arr, $cv);
2667
2668                 return $ret_arr;
2669         }
2670
2671         function getCategoryUnread($link, $cat, $owner_uid = false) {
2672
2673                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2674
2675                 if ($cat >= 0) {
2676
2677                         if ($cat != 0) {
2678                                 $cat_query = "cat_id = '$cat'";
2679                         } else {
2680                                 $cat_query = "cat_id IS NULL";
2681                         }
2682
2683                         $age_qpart = getMaxAgeSubquery();
2684
2685                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2686                                         AND owner_uid = " . $owner_uid);
2687
2688                         $cat_feeds = array();
2689                         while ($line = db_fetch_assoc($result)) {
2690                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2691                         }
2692
2693                         if (count($cat_feeds) == 0) return 0;
2694
2695                         $match_part = implode(" OR ", $cat_feeds);
2696
2697                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2698                                 FROM ttrss_user_entries,ttrss_entries
2699                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2700                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2701
2702                         $unread = 0;
2703
2704                         # this needs to be rewritten
2705                         while ($line = db_fetch_assoc($result)) {
2706                                 $unread += $line["unread"];
2707                         }
2708
2709                         return $unread;
2710                 } else if ($cat == -1) {
2711                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
2712                 } else if ($cat == -2) {
2713
2714                         $result = db_query($link, "
2715                                 SELECT COUNT(unread) AS unread FROM
2716                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2717                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2718                                         ttrss_labels2.owner_uid = '$owner_uid'
2719                                         AND unread = true AND feed_id = ttrss_feeds.id
2720                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2721
2722                         $unread = db_fetch_result($result, 0, "unread");
2723
2724                         return $unread;
2725
2726                 }
2727         }
2728
2729         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2730                 if (DB_TYPE == "pgsql") {
2731                         return "ttrss_entries.date_updated >
2732                                 NOW() - INTERVAL '$days days'";
2733                 } else {
2734                         return "ttrss_entries.date_updated >
2735                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2736                 }
2737         }
2738
2739         function getFeedUnread($link, $feed, $is_cat = false) {
2740                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2741         }
2742
2743         function getLabelUnread($link, $label_id, $owner_uid = false) {
2744                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2745
2746                 $result = db_query($link, "
2747                         SELECT COUNT(unread) AS unread FROM
2748                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2749                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2750                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2751                                 AND unread = true AND feed_id = ttrss_feeds.id
2752                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2753
2754                 if (db_num_rows($result) != 0) {
2755                         return db_fetch_result($result, 0, "unread");
2756                 } else {
2757                         return 0;
2758                 }
2759         }
2760
2761         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2762                 $owner_uid = false) {
2763
2764                 $n_feed = (int) $feed;
2765
2766                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2767
2768                 if ($unread_only) {
2769                         $unread_qpart = "unread = true";
2770                 } else {
2771                         $unread_qpart = "true";
2772                 }
2773
2774                 $age_qpart = getMaxAgeSubquery();
2775
2776                 if ($is_cat) {
2777                         return getCategoryUnread($link, $n_feed, $owner_uid);
2778                 } if ($feed != "0" && $n_feed == 0) {
2779
2780                         $feed = db_escape_string($feed);
2781
2782                         $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
2783                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2784                                         AND ref_id = id AND $age_qpart
2785                                         AND $unread_qpart)) AS count FROM ttrss_tags
2786                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
2787                         return db_fetch_result($result, 0, "count");
2788
2789                 } else if ($n_feed == -1) {
2790                         $match_part = "marked = true";
2791                 } else if ($n_feed == -2) {
2792                         $match_part = "published = true";
2793                 } else if ($n_feed == -3) {
2794                         $match_part = "unread = true AND score >= 0";
2795
2796                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2797
2798                         if (DB_TYPE == "pgsql") {
2799                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2800                         } else {
2801                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2802                         }
2803                 } else if ($n_feed == -4) {
2804                         $match_part = "true";
2805                 } else if ($n_feed >= 0) {
2806
2807                         if ($n_feed != 0) {
2808                                 $match_part = "feed_id = '$n_feed'";
2809                         } else {
2810                                 $match_part = "feed_id IS NULL";
2811                         }
2812
2813                 } else if ($feed < -10) {
2814
2815                         $label_id = -$feed - 11;
2816
2817                         return getLabelUnread($link, $label_id, $owner_uid);
2818
2819                 }
2820
2821                 if ($match_part) {
2822
2823                         if ($n_feed != 0) {
2824                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
2825                                 $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2826                         } else {
2827                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
2828                                 $feeds_qpart = '';
2829                         }
2830
2831                         $query = "SELECT count(int_id) AS unread
2832                                 FROM $from_qpart WHERE
2833                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2834                                 $age_qpart AND
2835                                 $feeds_qpart
2836                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
2837
2838                         $result = db_query($link, $query);
2839
2840                 } else {
2841
2842                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2843                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2844                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2845                                 AND $unread_qpart AND $age_qpart AND
2846                                         ttrss_tags.owner_uid = " . $owner_uid);
2847                 }
2848
2849                 $unread = db_fetch_result($result, 0, "unread");
2850
2851                 return $unread;
2852         }
2853
2854         function getGlobalUnread($link, $user_id = false) {
2855
2856                 if (!$user_id) {
2857                         $user_id = $_SESSION["uid"];
2858                 }
2859
2860                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2861                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2862
2863                 $c_id = db_fetch_result($result, 0, "c_id");
2864
2865                 return $c_id;
2866         }
2867
2868         function getGlobalCounters($link, $global_unread = -1) {
2869                 $ret_arr = array();
2870
2871                 if ($global_unread == -1) {
2872                         $global_unread = getGlobalUnread($link);
2873                 }
2874
2875                 $cv = array("id" => "global-unread",
2876                         "counter" => $global_unread);
2877
2878                 array_push($ret_arr, $cv);
2879
2880                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2881                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2882
2883                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2884
2885                 $cv = array("id" => "subscribed-feeds",
2886                         "counter" => $subscribed_feeds);
2887
2888                 array_push($ret_arr, $cv);
2889
2890                 return $ret_arr;
2891         }
2892
2893         function getSubscribedFeeds($link) {
2894                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2895                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2896
2897                 return db_fetch_result($result, 0, "fn");
2898         }
2899
2900         function getTagCounters($link) {
2901
2902                 $ret_arr = array();
2903
2904                 $age_qpart = getMaxAgeSubquery();
2905
2906                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2907                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2908                                 AND ref_id = id AND $age_qpart
2909                                 AND unread = true)) AS count FROM ttrss_tags
2910                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2911                                 ORDER BY count DESC LIMIT 55");
2912
2913                 $tags = array();
2914
2915                 while ($line = db_fetch_assoc($result)) {
2916                         $tags[$line["tag_name"]] += $line["count"];
2917                 }
2918
2919                 foreach (array_keys($tags) as $tag) {
2920                         $unread = $tags[$tag];
2921                         $tag = htmlspecialchars($tag);
2922
2923                         $cv = array("id" => $tag,
2924                                 "kind" => "tag",
2925                                 "counter" => $unread);
2926
2927                         array_push($ret_arr, $cv);
2928                 }
2929
2930                 return $ret_arr;
2931         }
2932
2933         function getVirtCounters($link) {
2934
2935                 $ret_arr = array();
2936
2937                 for ($i = 0; $i >= -4; $i--) {
2938
2939                         $count = getFeedUnread($link, $i);
2940
2941                         $cv = array("id" => $i,
2942                                 "counter" => $count);
2943
2944 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2945 //                              $cv["xmsg"] = getFeedArticles($link, $i)." ".__("total");
2946
2947                         array_push($ret_arr, $cv);
2948                 }
2949
2950                 return $ret_arr;
2951         }
2952
2953         function getLabelCounters($link, $descriptions = false) {
2954
2955                 $ret_arr = array();
2956
2957                 $age_qpart = getMaxAgeSubquery();
2958
2959                 $owner_uid = $_SESSION["uid"];
2960
2961                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2962                         WHERE owner_uid = '$owner_uid'");
2963
2964                 while ($line = db_fetch_assoc($result)) {
2965
2966                         $id = -$line["id"] - 11;
2967
2968                         $label_name = $line["caption"];
2969                         $count = getFeedUnread($link, $id);
2970
2971                         $cv = array("id" => $id,
2972                                 "counter" => $count);
2973
2974                         if ($descriptions)
2975                                 $cv["description"] = $label_name;
2976
2977 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2978 //                              $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2979
2980                         array_push($ret_arr, $cv);
2981                 }
2982
2983                 return $ret_arr;
2984         }
2985
2986         function getFeedCounters($link, $active_feed = false) {
2987
2988                 $ret_arr = array();
2989
2990                 $age_qpart = getMaxAgeSubquery();
2991
2992                 $query = "SELECT ttrss_feeds.id,
2993                                 ttrss_feeds.title,
2994                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2995                                 last_error, value AS count
2996                         FROM ttrss_feeds, ttrss_counters_cache
2997                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2998                                 AND ttrss_counters_cache.feed_id = id";
2999
3000                 $result = db_query($link, $query);
3001                 $fctrs_modified = false;
3002
3003                 while ($line = db_fetch_assoc($result)) {
3004
3005                         $id = $line["id"];
3006                         $count = $line["count"];
3007                         $last_error = htmlspecialchars($line["last_error"]);
3008
3009                         $last_updated = make_local_datetime($link, $line['last_updated'], false);
3010
3011                         $has_img = feed_has_icon($id);
3012
3013                         if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
3014                                 $last_updated = '';
3015
3016                         $cv = array("id" => $id,
3017                                 "updated" => $last_updated,
3018                                 "counter" => $count,
3019                                 "has_img" => (int) $has_img);
3020
3021                         if ($last_error)
3022                                 $cv["error"] = $last_error;
3023
3024 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
3025 //                              $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
3026
3027                         if ($active_feed && $id == $active_feed)
3028                                 $cv["title"] = truncate_string($line["title"], 30);
3029
3030                         array_push($ret_arr, $cv);
3031
3032                 }
3033
3034                 return $ret_arr;
3035         }
3036
3037         function get_pgsql_version($link) {
3038                 $result = db_query($link, "SELECT version() AS version");
3039                 $version = explode(" ", db_fetch_result($result, 0, "version"));
3040                 return $version[1];
3041         }
3042
3043         /**
3044          * Subscribes the user to the given feed
3045          *
3046          * @param resource $link       Database connection
3047          * @param string   $url        Feed URL to subscribe to
3048          * @param integer  $cat_id     Category ID the feed shall be added to
3049          * @param string   $auth_login (optional) Feed username
3050          * @param string   $auth_pass  (optional) Feed password
3051          *
3052          * @return integer Status code:
3053          *                 0 - OK, Feed already exists
3054          *                 1 - OK, Feed added
3055          *                 2 - Invalid URL
3056          *                 3 - URL content is HTML, no feeds available
3057          *                 4 - URL content is HTML which contains multiple feeds.
3058          *                     Here you should call extractfeedurls in rpc-backend
3059          *                     to get all possible feeds.
3060          *                 5 - Couldn't download the URL content.
3061          */
3062         function subscribe_to_feed($link, $url, $cat_id = 0,
3063                         $auth_login = '', $auth_pass = '') {
3064
3065                 $url = fix_url($url);
3066
3067                 if (!$url || !validate_feed_url($url)) return 2;
3068
3069                 $update_method = 0;
3070
3071                 $result = db_query($link, "SELECT twitter_oauth FROM ttrss_users
3072                         WHERE id = ".$_SESSION['uid']);
3073
3074                 $has_oauth = db_fetch_result($result, 0, 'twitter_oauth');
3075
3076                 if (!$has_oauth || strpos($url, '://api.twitter.com') === false) {
3077                         if (!fetch_file_contents($url, false, $auth_login, $auth_pass)) return 5;
3078
3079                         if (url_is_html($url, $auth_login, $auth_pass)) {
3080                                 $feedUrls = get_feeds_from_html($url, $auth_login, $auth_pass);
3081                                 if (count($feedUrls) == 0) {
3082                                         return 3;
3083                                 } else if (count($feedUrls) > 1) {
3084                                         return 4;
3085                                 }
3086                                 //use feed url as new URL
3087                                 $url = key($feedUrls);
3088                         }
3089
3090                         } else {
3091                                 if (!fetch_twitter_rss($link, $url, $_SESSION['uid']))
3092                                         return 5;
3093
3094                                 $update_method = 3;
3095                         }
3096                 if ($cat_id == "0" || !$cat_id) {
3097                         $cat_qpart = "NULL";
3098                 } else {
3099                         $cat_qpart = "'$cat_id'";
3100                 }
3101
3102                 $result = db_query($link,
3103                         "SELECT id FROM ttrss_feeds
3104                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
3105
3106                 if (db_num_rows($result) == 0) {
3107                         $result = db_query($link,
3108                                 "INSERT INTO ttrss_feeds
3109                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method)
3110                                 VALUES ('".$_SESSION["uid"]."', '$url',
3111                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', '$update_method')");
3112
3113                         $result = db_query($link,
3114                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
3115                                         AND owner_uid = " . $_SESSION["uid"]);
3116
3117                         $feed_id = db_fetch_result($result, 0, "id");
3118
3119                         if ($feed_id) {
3120                                 update_rss_feed($link, $feed_id, true);
3121                         }
3122
3123                         return 1;
3124                 } else {
3125                         return 0;
3126                 }
3127         }
3128
3129         function print_feed_select($link, $id, $default_id = "",
3130                 $attributes = "", $include_all_feeds = true) {
3131
3132                 print "<select id=\"$id\" name=\"$id\" $attributes>";
3133                 if ($include_all_feeds) {
3134                         print "<option value=\"0\">".__('All feeds')."</option>";
3135                 }
3136
3137                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
3138                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
3139
3140                 if (db_num_rows($result) > 0 && $include_all_feeds) {
3141                         print "<option disabled>--------</option>";
3142                 }
3143
3144                 while ($line = db_fetch_assoc($result)) {
3145                         if ($line["id"] == $default_id) {
3146                                 $is_selected = "selected=\"1\"";
3147                         } else {
3148                                 $is_selected = "";
3149                         }
3150
3151                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
3152
3153                         printf("<option $is_selected value='%d'>%s</option>",
3154                                 $line["id"], $title);
3155                 }
3156
3157                 print "</select>";
3158         }
3159
3160         function print_feed_cat_select($link, $id, $default_id = "",
3161                 $attributes = "", $include_all_cats = true) {
3162
3163                 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
3164
3165                 if ($include_all_cats) {
3166                         print "<option value=\"0\">".__('Uncategorized')."</option>";
3167                 }
3168
3169                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
3170                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
3171
3172                 if (db_num_rows($result) > 0 && $include_all_cats) {
3173                         print "<option disabled=\"1\">--------</option>";
3174                 }
3175
3176                 while ($line = db_fetch_assoc($result)) {
3177                         if ($line["id"] == $default_id) {
3178                                 $is_selected = "selected=\"1\"";
3179                         } else {
3180                                 $is_selected = "";
3181                         }
3182
3183                         if ($line["title"])
3184                                 printf("<option $is_selected value='%d'>%s</option>",
3185                                         $line["id"], htmlspecialchars($line["title"]));
3186                 }
3187
3188 #               print "<option value=\"ADD_CAT\">" .__("Add category...") . "</option>";
3189
3190                 print "</select>";
3191         }
3192
3193         function checkbox_to_sql_bool($val) {
3194                 return ($val == "on") ? "true" : "false";
3195         }
3196
3197         function getFeedCatTitle($link, $id) {
3198                 if ($id == -1) {
3199                         return __("Special");
3200                 } else if ($id < -10) {
3201                         return __("Labels");
3202                 } else if ($id > 0) {
3203                         $result = db_query($link, "SELECT ttrss_feed_categories.title
3204                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
3205                                         cat_id = ttrss_feed_categories.id");
3206                         if (db_num_rows($result) == 1) {
3207                                 return db_fetch_result($result, 0, "title");
3208                         } else {
3209                                 return __("Uncategorized");
3210                         }
3211                 } else {
3212                         return "getFeedCatTitle($id) failed";
3213                 }
3214
3215         }
3216
3217         function getFeedIcon($id) {
3218                 switch ($id) {
3219                 case 0:
3220                         return "images/archive.png";
3221                         break;
3222                 case -1:
3223                         return "images/mark_set.png";
3224                         break;
3225                 case -2:
3226                         return "images/pub_set.png";
3227                         break;
3228                 case -3:
3229                         return "images/fresh.png";
3230                         break;
3231                 case -4:
3232                         return "images/tag.png";
3233                         break;
3234                 default:
3235                         if ($id < -10) {
3236                                 return "images/label.png";
3237                         } else {
3238                                 if (file_exists(ICONS_DIR . "/$id.ico"))
3239                                         return ICONS_URL . "/$id.ico";
3240                         }
3241                         break;
3242                 }
3243         }
3244
3245         function getFeedTitle($link, $id) {
3246                 if ($id == -1) {
3247                         return __("Starred articles");
3248                 } else if ($id == -2) {
3249                         return __("Published articles");
3250                 } else if ($id == -3) {
3251                         return __("Fresh articles");
3252                 } else if ($id == -4) {
3253                         return __("All articles");
3254                 } else if ($id === 0 || $id === "0") {
3255                         return __("Archived articles");
3256                 } else if ($id < -10) {
3257                         $label_id = -$id - 11;
3258                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
3259                         if (db_num_rows($result) == 1) {
3260                                 return db_fetch_result($result, 0, "caption");
3261                         } else {
3262                                 return "Unknown label ($label_id)";
3263                         }
3264
3265                 } else if (is_numeric($id) && $id > 0) {
3266                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3267                         if (db_num_rows($result) == 1) {
3268                                 return db_fetch_result($result, 0, "title");
3269                         } else {
3270                                 return "Unknown feed ($id)";
3271                         }
3272                 } else {
3273                         return $id;
3274                 }
3275         }
3276
3277         function get_session_cookie_name() {
3278                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3279         }
3280
3281         function make_init_params($link) {
3282                 $params = array();
3283
3284                 $params["theme"] = get_user_theme($link);
3285                 $params["theme_options"] = get_user_theme_options($link);
3286
3287                 $params["sign_progress"] = theme_image($link, "images/indicator_white.gif");
3288                 $params["sign_progress_tiny"] = theme_image($link, "images/indicator_tiny.gif");
3289                 $params["sign_excl"] = theme_image($link, "images/sign_excl.png");
3290                 $params["sign_info"] = theme_image($link, "images/sign_info.png");
3291
3292                 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
3293                         "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
3294                         "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE", "DEFAULT_ARTICLE_LIMIT",
3295                         "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
3296
3297                                  $params[strtolower($param)] = (int) get_pref($link, $param);
3298                  }
3299
3300                 $params["icons_url"] = ICONS_URL;
3301                 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
3302                 $params["default_view_mode"] = get_pref($link, "_DEFAULT_VIEW_MODE");
3303                 $params["default_view_limit"] = (int) get_pref($link, "_DEFAULT_VIEW_LIMIT");
3304                 $params["default_view_order_by"] = get_pref($link, "_DEFAULT_VIEW_ORDER_BY");
3305                 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
3306
3307                 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
3308                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3309
3310                 $max_feed_id = db_fetch_result($result, 0, "mid");
3311                 $num_feeds = db_fetch_result($result, 0, "nf");
3312
3313                 $params["max_feed_id"] = (int) $max_feed_id;
3314                 $params["num_feeds"] = (int) $num_feeds;
3315
3316                 $params["collapsed_feedlist"] = (int) get_pref($link, "_COLLAPSED_FEEDLIST");
3317
3318                 return $params;
3319         }
3320
3321         function print_runtime_info($link) {
3322                 print "<runtime-info><![CDATA[";
3323                 print json_encode(make_runtime_info($link));
3324                 print "]]></runtime-info>";
3325         }
3326
3327         function make_runtime_info($link) {
3328                 $data = array();
3329
3330                 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
3331                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3332
3333                 $max_feed_id = db_fetch_result($result, 0, "mid");
3334                 $num_feeds = db_fetch_result($result, 0, "nf");
3335
3336                 $data["max_feed_id"] = (int) $max_feed_id;
3337                 $data["num_feeds"] = (int) $num_feeds;
3338
3339                 $data['last_article_id'] = getLastArticleId($link);
3340                 $data['cdm_expanded'] = get_pref($link, 'CDM_EXPANDED');
3341
3342                 if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
3343
3344                         $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
3345
3346                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3347
3348                                 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
3349
3350                                 if ($stamp) {
3351                                         $stamp_delta = time() - $stamp;
3352
3353                                         if ($stamp_delta > 1800) {
3354                                                 $stamp_check = 0;
3355                                         } else {
3356                                                 $stamp_check = 1;
3357                                                 $_SESSION["daemon_stamp_check"] = time();
3358                                         }
3359
3360                                         $data['daemon_stamp_ok'] = $stamp_check;
3361
3362                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3363
3364                                         $data['daemon_stamp'] = $stamp_fmt;
3365                                 }
3366                         }
3367                 }
3368
3369                 if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3370                                 $new_version_details = @check_for_update($link);
3371
3372                                 $data['new_version_available'] = (int) ($new_version_details != false);
3373
3374                                 $_SESSION["last_version_check"] = time();
3375                 }
3376
3377                 return $data;
3378         }
3379
3380         function search_to_sql($link, $search, $match_on) {
3381
3382                 $search_query_part = "";
3383
3384                 $keywords = explode(" ", $search);
3385                 $query_keywords = array();
3386
3387                 foreach ($keywords as $k) {
3388                         if (strpos($k, "-") === 0) {
3389                                 $k = substr($k, 1);
3390                                 $not = "NOT";
3391                         } else {
3392                                 $not = "";
3393                         }
3394
3395                         $commandpair = explode(":", mb_strtolower($k), 2);
3396
3397                         if ($commandpair[0] == "note" && $commandpair[1]) {
3398
3399                                 if ($commandpair[1] == "true")
3400                                         array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
3401                                 else
3402                                         array_push($query_keywords, "($not (note IS NULL OR note = ''))");
3403
3404                         } else if ($commandpair[0] == "star" && $commandpair[1]) {
3405
3406                                 if ($commandpair[1] == "true")
3407                                         array_push($query_keywords, "($not (marked = true))");
3408                                 else
3409                                         array_push($query_keywords, "($not (marked = false))");
3410
3411                         } else if ($commandpair[0] == "pub" && $commandpair[1]) {
3412
3413                                 if ($commandpair[1] == "true")
3414                                         array_push($query_keywords, "($not (published = true))");
3415                                 else
3416                                         array_push($query_keywords, "($not (published = false))");
3417
3418                         } else if (strpos($k, "@") === 0) {
3419
3420                                 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $_SESSION['uid']);
3421                                 $orig_ts = strtotime(substr($k, 1));
3422                                 $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
3423
3424                                 //$k = date("Y-m-d", strtotime(substr($k, 1)));
3425
3426                                 array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
3427                         } else if ($match_on == "both") {
3428                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
3429                                                 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3430                         } else if ($match_on == "title") {
3431                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
3432                         } else if ($match_on == "content") {
3433                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3434                         }
3435                 }
3436
3437                 $search_query_part = implode("AND", $query_keywords);
3438
3439                 return $search_query_part;
3440         }
3441
3442
3443         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0, $filter = false, $since_id = 0) {
3444
3445                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3446
3447                 $ext_tables_part = "";
3448
3449                         if ($search) {
3450
3451                                 if (SPHINX_ENABLED) {
3452                                         $ids = join(",", @sphinx_search($search, 0, 500));
3453
3454                                         if ($ids)
3455                                                 $search_query_part = "ref_id IN ($ids) AND ";
3456                                         else
3457                                                 $search_query_part = "ref_id = -1 AND ";
3458
3459                                 } else {
3460                                         $search_query_part = search_to_sql($link, $search, $match_on);
3461                                         $search_query_part .= " AND ";
3462                                 }
3463
3464                         } else {
3465                                 $search_query_part = "";
3466                         }
3467
3468                         if ($filter) {
3469                                 $filter_query_part = filter_to_sql($filter);
3470                         } else {
3471                                 $filter_query_part = "";
3472                         }
3473
3474                         if ($since_id) {
3475                                 $since_id_part = "ttrss_entries.id > $since_id AND ";
3476                         } else {
3477                                 $since_id_part = "";
3478                         }
3479
3480                         $view_query_part = "";
3481
3482                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3483                                 if ($search) {
3484                                         $view_query_part = " ";
3485                                 } else if ($feed != -1) {
3486                                         $unread = getFeedUnread($link, $feed, $cat_view);
3487                                         if ($unread > 0) {
3488                                                 $view_query_part = " unread = true AND ";
3489                                         }
3490                                 }
3491                         }
3492
3493                         if ($view_mode == "marked") {
3494                                 $view_query_part = " marked = true AND ";
3495                         }
3496
3497                         if ($view_mode == "published") {
3498                                 $view_query_part = " published = true AND ";
3499                         }
3500
3501                         if ($view_mode == "unread") {
3502                                 $view_query_part = " unread = true AND ";
3503                         }
3504
3505                         if ($view_mode == "updated") {
3506                                 $view_query_part = " (last_read is null and unread = false) AND ";
3507                         }
3508
3509                         if ($limit > 0) {
3510                                 $limit_query_part = "LIMIT " . $limit;
3511                         }
3512
3513                         $vfeed_query_part = "";
3514
3515                         // override query strategy and enable feed display when searching globally
3516                         if ($search && $search_mode == "all_feeds") {
3517                                 $query_strategy_part = "ttrss_entries.id > 0";
3518                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3519                         /* tags */
3520                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3521                                 $query_strategy_part = "ttrss_entries.id > 0";
3522                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3523                                         id = feed_id) as feed_title,";
3524                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
3525
3526                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3527
3528                                 $tmp_result = false;
3529
3530                                 if ($cat_view) {
3531                                         $tmp_result = db_query($link, "SELECT id
3532                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3533                                 } else {
3534                                         $tmp_result = db_query($link, "SELECT id
3535                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3536                                                         WHERE id = '$feed') AND id != '$feed'");
3537                                 }
3538
3539                                 $cat_siblings = array();
3540
3541                                 if (db_num_rows($tmp_result) > 0) {
3542                                         while ($p = db_fetch_assoc($tmp_result)) {
3543                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3544                                         }
3545
3546                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3547                                                 $feed, implode(" OR ", $cat_siblings));
3548
3549                                 } else {
3550                                         $query_strategy_part = "ttrss_entries.id > 0";
3551                                 }
3552
3553                         } else if ($feed > 0) {
3554
3555                                 if ($cat_view) {
3556
3557                                         if ($feed > 0) {
3558                                                 $query_strategy_part = "cat_id = '$feed'";
3559                                         } else {
3560                                                 $query_strategy_part = "cat_id IS NULL";
3561                                         }
3562
3563                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3564
3565                                 } else {
3566                                         $query_strategy_part = "feed_id = '$feed'";
3567                                 }
3568                         } else if ($feed == 0 && !$cat_view) { // archive virtual feed
3569                                 $query_strategy_part = "feed_id IS NULL";
3570                         } else if ($feed == 0 && $cat_view) { // uncategorized
3571                                 $query_strategy_part = "cat_id IS NULL";
3572                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3573                         } else if ($feed == -1) { // starred virtual feed
3574                                 $query_strategy_part = "marked = true";
3575                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3576                         } else if ($feed == -2) { // published virtual feed OR labels category
3577
3578                                 if (!$cat_view) {
3579                                         $query_strategy_part = "published = true";
3580                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3581                                 } else {
3582                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3583
3584                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3585
3586                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3587                                                 ttrss_user_labels2.article_id = ref_id";
3588
3589                                 }
3590
3591                         } else if ($feed == -3) { // fresh virtual feed
3592                                 $query_strategy_part = "unread = true AND score >= 0";
3593
3594                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3595
3596                                 if (DB_TYPE == "pgsql") {
3597                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3598                                 } else {
3599                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3600                                 }
3601
3602                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3603                         } else if ($feed == -4) { // all articles virtual feed
3604                                 $query_strategy_part = "true";
3605                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3606                         } else if ($feed <= -10) { // labels
3607                                 $label_id = -$feed - 11;
3608
3609                                 $query_strategy_part = "label_id = '$label_id' AND
3610                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3611                                         ttrss_user_labels2.article_id = ref_id";
3612
3613                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3614                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3615
3616                         } else {
3617                                 $query_strategy_part = "id > 0"; // dumb
3618                         }
3619
3620                         if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3621                                 $date_sort_field = "updated";
3622                         } else {
3623                                 $date_sort_field = "date_entered";
3624                         }
3625
3626                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3627                                 $order_by = "$date_sort_field";
3628                         } else {
3629                                 $order_by = "$date_sort_field DESC";
3630                         }
3631
3632                         if ($view_mode != "noscores") {
3633                                 $order_by = "score DESC, $order_by";
3634                         }
3635
3636                         if ($override_order) {
3637                                 $order_by = $override_order;
3638                         }
3639
3640                         $feed_title = "";
3641
3642                         if ($search) {
3643                                 $feed_title = "Search results";
3644                         } else {
3645                                 if ($cat_view) {
3646                                         $feed_title = getCategoryTitle($link, $feed);
3647                                 } else {
3648                                         if (is_numeric($feed) && $feed > 0) {
3649                                                 $result = db_query($link, "SELECT title,site_url,last_error
3650                                                         FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
3651
3652                                                 $feed_title = db_fetch_result($result, 0, "title");
3653                                                 $feed_site_url = db_fetch_result($result, 0, "site_url");
3654                                                 $last_error = db_fetch_result($result, 0, "last_error");
3655                                         } else {
3656                                                 $feed_title = getFeedTitle($link, $feed);
3657                                         }
3658                                 }
3659                         }
3660
3661                         $content_query_part = "content as content_preview,";
3662
3663                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3664
3665                                 if ($feed >= 0) {
3666                                         $feed_kind = "Feeds";
3667                                 } else {
3668                                         $feed_kind = "Labels";
3669                                 }
3670
3671                                 if ($limit_query_part) {
3672                                         $offset_query_part = "OFFSET $offset";
3673                                 }
3674
3675                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3676                                         if (!$override_order) {
3677                                                 $order_by = "ttrss_feeds.title, $order_by";
3678                                         }
3679                                 }
3680
3681                                 if ($feed != "0") {
3682                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
3683                                         $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
3684
3685                                 } else {
3686                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
3687                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
3688                                 }
3689
3690                                 $query = "SELECT DISTINCT
3691                                                 date_entered,
3692                                                 guid,
3693                                                 ttrss_entries.id,ttrss_entries.title,
3694                                                 updated,
3695                                                 note,
3696                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
3697                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3698                                                 $vfeed_query_part
3699                                                 $content_query_part
3700                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3701                                                 author,score
3702                                         FROM
3703                                                 $from_qpart
3704                                         WHERE
3705                                         $feed_check_qpart
3706                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3707                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3708                                         $search_query_part
3709                                         $filter_query_part
3710                                         $view_query_part
3711                                         $since_id_part
3712                                         $query_strategy_part ORDER BY $order_by
3713                                         $limit_query_part $offset_query_part";
3714
3715                                 if ($_REQUEST["debug"]) print $query;
3716
3717                                 $result = db_query($link, $query);
3718
3719                         } else {
3720                                 // browsing by tag
3721
3722                                 $select_qpart = "SELECT DISTINCT " .
3723                                                                 "date_entered," .
3724                                                                 "guid," .
3725                                                                 "note," .
3726                                                                 "ttrss_entries.id as id," .
3727                                                                 "title," .
3728                                                                 "updated," .
3729                                                                 "unread," .
3730                                                                 "feed_id," .
3731                                                                 "orig_feed_id," .
3732                                                                 "marked," .
3733                                                                 "link," .
3734                                                                 "last_read," .
3735                                                                 SUBSTRING_FOR_DATE . "(last_read,1,19) as last_read_noms," .
3736                                                                 $since_id_part .
3737                                                                 $vfeed_query_part .
3738                                                                 $content_query_part .
3739                                                                 SUBSTRING_FOR_DATE . "(updated,1,19) as updated_noms," .
3740                                                                 "score ";
3741
3742                                 $feed_kind = "Tags";
3743                                 $all_tags = explode(",", $feed);
3744                                 if ($search_mode == 'any') {
3745                                         $tag_sql = "tag_name in (" . implode(", ", array_map("db_quote", $all_tags)) . ")";
3746                                         $from_qpart = " FROM ttrss_entries,ttrss_user_entries,ttrss_tags ";
3747                                         $where_qpart = " WHERE " .
3748                                                                    "ref_id = ttrss_entries.id AND " .
3749                                                                    "ttrss_user_entries.owner_uid = $owner_uid AND " .
3750                                                                    "post_int_id = int_id AND $tag_sql AND " .
3751                                                                    $view_query_part .
3752                                                                    $search_query_part .
3753                                                                    $query_strategy_part . " ORDER BY $order_by " .
3754                                                                    $limit_query_part;
3755
3756                                 } else {
3757                                         $i = 1;
3758                                         $sub_selects = array();
3759                                         $sub_ands = array();
3760                                         foreach ($all_tags as $term) {
3761                                                 array_push($sub_selects, "(SELECT post_int_id from ttrss_tags WHERE tag_name = " . db_quote($term) . " AND owner_uid = $owner_uid) as A$i");
3762                                                 $i++;
3763                                         }
3764                                         if ($i > 2) {
3765                                                 $x = 1;
3766                                                 $y = 2;
3767                                                 do {
3768                                                         array_push($sub_ands, "A$x.post_int_id = A$y.post_int_id");
3769                                                         $x++;
3770                                                         $y++;
3771                                                 } while ($y < $i);
3772                                         }
3773                                         array_push($sub_ands, "A1.post_int_id = ttrss_user_entries.int_id and ttrss_user_entries.owner_uid = $owner_uid");
3774                                         array_push($sub_ands, "ttrss_user_entries.ref_id = ttrss_entries.id");
3775                                         $from_qpart = " FROM " . implode(", ", $sub_selects) . ", ttrss_user_entries, ttrss_entries";
3776                                         $where_qpart = " WHERE " . implode(" AND ", $sub_ands);
3777                                 }
3778                                 //                              error_log("TAG SQL: " . $tag_sql);
3779                                 // $tag_sql = "tag_name = '$feed'";   DEFAULT way
3780
3781                                 //                              error_log("[". $select_qpart . "][" . $from_qpart . "][" .$where_qpart . "]");
3782                                 $result = db_query($link, $select_qpart . $from_qpart . $where_qpart);
3783                         }
3784
3785                         return array($result, $feed_title, $feed_site_url, $last_error);
3786
3787         }
3788
3789         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3790                 $limit, $search, $search_mode, $match_on, $view_mode = false) {
3791
3792                 require_once "lib/MiniTemplator.class.php";
3793
3794                 $note_style =   "background-color : #fff7d5;
3795                         border-width : 1px; ".
3796                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3797                         "margin-bottom : 1em; color : #9a8c59;";
3798
3799                 if (!$limit) $limit = 30;
3800
3801                 if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3802                         $date_sort_field = "updated";
3803                 } else {
3804                         $date_sort_field = "date_entered";
3805                 }
3806
3807                 $qfh_ret = queryFeedHeadlines($link, $feed,
3808                         $limit, $view_mode, $is_cat, $search, $search_mode,
3809                         $match_on, "$date_sort_field DESC", 0, $owner_uid);
3810
3811                 $result = $qfh_ret[0];
3812                 $feed_title = htmlspecialchars($qfh_ret[1]);
3813                 $feed_site_url = $qfh_ret[2];
3814                 $last_error = $qfh_ret[3];
3815
3816                 $feed_self_url = get_self_url_prefix() .
3817                         "/backend.php?op=rss&id=-2&key=" .
3818                         get_feed_access_key($link, -2, false);
3819
3820                 if (!$feed_site_url) $feed_site_url = get_self_url_prefix();
3821
3822                 $tpl = new MiniTemplator;
3823
3824                 $tpl->readTemplateFromFile("templates/generated_feed.txt");
3825
3826                 $tpl->setVariable('FEED_TITLE', $feed_title);
3827                 $tpl->setVariable('VERSION', VERSION);
3828                 $tpl->setVariable('FEED_URL', htmlspecialchars($feed_self_url));
3829
3830                 if (PUBSUBHUBBUB_HUB && $feed == -2) {
3831                         $tpl->setVariable('HUB_URL', htmlspecialchars(PUBSUBHUBBUB_HUB));
3832                         $tpl->addBlock('feed_hub');
3833                 }
3834
3835                 $tpl->setVariable('SELF_URL', htmlspecialchars(get_self_url_prefix()));
3836
3837                 while ($line = db_fetch_assoc($result)) {
3838                         $tpl->setVariable('ARTICLE_ID', htmlspecialchars($line['link']));
3839                         $tpl->setVariable('ARTICLE_LINK', htmlspecialchars($line['link']));
3840                         $tpl->setVariable('ARTICLE_TITLE', htmlspecialchars($line['title']));
3841                         $tpl->setVariable('ARTICLE_EXCERPT',
3842                                 truncate_string(strip_tags($line["content_preview"]), 100, '...'));
3843
3844                         $content = sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3845
3846                         if ($line['note']) {
3847                                 $content = "<div style=\"$note_style\">Article note: " . $line['note'] . "</div>" .
3848                                         $content;
3849                         }
3850
3851                         $tpl->setVariable('ARTICLE_CONTENT', $content);
3852
3853                         $tpl->setVariable('ARTICLE_UPDATED', date('c', strtotime($line["updated"])));
3854                         $tpl->setVariable('ARTICLE_AUTHOR', htmlspecialchars($line['author']));
3855
3856                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3857
3858                         foreach ($tags as $tag) {
3859                                 $tpl->setVariable('ARTICLE_CATEGORY', htmlspecialchars($tag));
3860                                 $tpl->addBlock('category');
3861                         }
3862
3863                         $enclosures = get_article_enclosures($link, $line["id"]);
3864
3865                         foreach ($enclosures as $e) {
3866                                 $type = htmlspecialchars($e['content_type']);
3867                                 $url = htmlspecialchars($e['content_url']);
3868                                 $length = $e['duration'];
3869
3870                                 $tpl->setVariable('ARTICLE_ENCLOSURE_URL', $url);
3871                                 $tpl->setVariable('ARTICLE_ENCLOSURE_TYPE', $type);
3872                                 $tpl->setVariable('ARTICLE_ENCLOSURE_LENGTH', $length);
3873
3874                                 $tpl->addBlock('enclosure');
3875                         }
3876
3877                         $tpl->addBlock('entry');
3878                 }
3879
3880                 $tmp = "";
3881
3882                 $tpl->addBlock('feed');
3883                 $tpl->generateOutputToString($tmp);
3884
3885                 print $tmp;
3886         }
3887
3888         function getCategoryTitle($link, $cat_id) {
3889
3890                 if ($cat_id == -1) {
3891                         return __("Special");
3892                 } else if ($cat_id == -2) {
3893                         return __("Labels");
3894                 } else {
3895
3896                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3897                                 id = '$cat_id'");
3898
3899                         if (db_num_rows($result) == 1) {
3900                                 return db_fetch_result($result, 0, "title");
3901                         } else {
3902                                 return "Uncategorized";
3903                         }
3904                 }
3905         }
3906
3907         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) {
3908                 global $purifier;
3909
3910                 if (!$owner) $owner = $_SESSION["uid"];
3911
3912                 $res = trim($str); if (!$res) return '';
3913
3914 //              if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3915                 $res = $purifier->purify($res);
3916 //              }
3917
3918                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3919                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3920                 }
3921
3922                 if (strpos($res, "href=") === false)
3923                         $res = rewrite_urls($res);
3924
3925                 $charset_hack = '<head>
3926                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3927                 </head>';
3928
3929                 $res = trim($res); if (!$res) return '';
3930
3931                 libxml_use_internal_errors(true);
3932
3933                 $doc = new DOMDocument();
3934                 $doc->loadHTML($charset_hack . $res);
3935                 $xpath = new DOMXPath($doc);
3936
3937                 $entries = $xpath->query('(//a[@href]|//img[@src])');
3938                 $br_inserted = 0;
3939
3940                 foreach ($entries as $entry) {
3941
3942                         if ($site_url) {
3943
3944                                 if ($entry->hasAttribute('href'))
3945                                         $entry->setAttribute('href',
3946                                                 rewrite_relative_url($site_url, $entry->getAttribute('href')));
3947
3948                                 if ($entry->hasAttribute('src'))
3949                                         if (preg_match('/^image.php\?i=[a-z0-9]+$/', $entry->getAttribute('src')) == 0)
3950                                                 $entry->setAttribute('src',
3951                                                         rewrite_relative_url($site_url, $entry->getAttribute('src')));
3952                         }
3953
3954                         if (strtolower($entry->nodeName) == "a") {
3955                                 $entry->setAttribute("target", "_blank");
3956                         }
3957
3958                         if (strtolower($entry->nodeName) == "img" && !$br_inserted) {
3959                                 $br = $doc->createElement("br");
3960
3961                                 if ($entry->parentNode->nextSibling) {
3962                                         $entry->parentNode->insertBefore($br, $entry->nextSibling);
3963                                         $br_inserted = 1;
3964                                 }
3965
3966                         }
3967                 }
3968
3969                 $node = $doc->getElementsByTagName('body')->item(0);
3970
3971                 return $doc->saveXML($node);
3972         }
3973
3974         /**
3975          * Send by mail a digest of last articles.
3976          *
3977          * @param mixed $link The database connection.
3978          * @param integer $limit The maximum number of articles by digest.
3979          * @return boolean Return false if digests are not enabled.
3980          */
3981         function send_headlines_digests($link, $limit = 100) {
3982
3983                 if (!DIGEST_ENABLE) return false;
3984
3985                 $user_limit = DIGEST_EMAIL_LIMIT;
3986                 $days = 1;
3987
3988                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3989
3990                 if (DB_TYPE == "pgsql") {
3991                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3992                 } else if (DB_TYPE == "mysql") {
3993                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3994                 }
3995
3996                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3997                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3998
3999                 while ($line = db_fetch_assoc($result)) {
4000
4001                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
4002                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
4003
4004                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
4005
4006                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
4007                                 $digest = $tuple[0];
4008                                 $headlines_count = $tuple[1];
4009                                 $affected_ids = $tuple[2];
4010                                 $digest_text = $tuple[3];
4011
4012                                 if ($headlines_count > 0) {
4013
4014                                         $mail = new PHPMailer();
4015
4016                                         $mail->PluginDir = "lib/phpmailer/";
4017                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
4018
4019                                         $mail->CharSet = "UTF-8";
4020
4021                                         $mail->From = DIGEST_FROM_ADDRESS;
4022                                         $mail->FromName = DIGEST_FROM_NAME;
4023                                         $mail->AddAddress($line["email"], $line["login"]);
4024
4025                                         if (DIGEST_SMTP_HOST) {
4026                                                 $mail->Host = DIGEST_SMTP_HOST;
4027                                                 $mail->Mailer = "smtp";
4028                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
4029                                                 $mail->Username = DIGEST_SMTP_LOGIN;
4030                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
4031                                         }
4032
4033                                         $mail->IsHTML(true);
4034                                         $mail->Subject = DIGEST_SUBJECT;
4035                                         $mail->Body = $digest;
4036                                         $mail->AltBody = $digest_text;
4037
4038                                         $rc = $mail->Send();
4039
4040                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
4041
4042                                         print "RC=$rc\n";
4043
4044                                         if ($rc && $do_catchup) {
4045                                                 print "Marking affected articles as read...\n";
4046                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
4047                                         }
4048                                 } else {
4049                                         print "No headlines\n";
4050                                 }
4051
4052                                 db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
4053                                         WHERE id = " . $line["id"]);
4054                         }
4055                 }
4056
4057                 print "All done.\n";
4058
4059         }
4060
4061         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
4062
4063                 require_once "lib/MiniTemplator.class.php";
4064
4065                 $tpl = new MiniTemplator;
4066                 $tpl_t = new MiniTemplator;
4067
4068                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
4069                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
4070
4071                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
4072                 $tpl->setVariable('CUR_TIME', date('G:i'));
4073
4074                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
4075                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
4076
4077                 $affected_ids = array();
4078
4079                 if (DB_TYPE == "pgsql") {
4080                         $interval_query = "ttrss_entries.date_updated > NOW() - INTERVAL '$days days'";
4081                 } else if (DB_TYPE == "mysql") {
4082                         $interval_query = "ttrss_entries.date_updated > DATE_SUB(NOW(), INTERVAL $days DAY)";
4083                 }
4084
4085                 $result = db_query($link, "SELECT ttrss_entries.title,
4086                                 ttrss_feeds.title AS feed_title,
4087                                 date_updated,
4088                                 ttrss_user_entries.ref_id,
4089                                 link,
4090                                 SUBSTRING(content, 1, 120) AS excerpt,
4091                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
4092                         FROM
4093                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
4094                         WHERE
4095                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
4096                                 AND include_in_digest = true
4097                                 AND $interval_query
4098                                 AND ttrss_user_entries.owner_uid = $user_id
4099                                 AND unread = true
4100                         ORDER BY ttrss_feeds.title, date_updated DESC
4101                         LIMIT $limit");
4102
4103                 $cur_feed_title = "";
4104
4105                 $headlines_count = db_num_rows($result);
4106
4107                 $headlines = array();
4108
4109                 while ($line = db_fetch_assoc($result)) {
4110                         array_push($headlines, $line);
4111                 }
4112
4113                 for ($i = 0; $i < sizeof($headlines); $i++) {
4114
4115                         $line = $headlines[$i];
4116
4117                         array_push($affected_ids, $line["ref_id"]);
4118
4119                         $updated = make_local_datetime($link, $line['last_updated'], false,
4120                                 $user_id);
4121
4122                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
4123                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
4124                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
4125                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
4126                         $tpl->setVariable('ARTICLE_EXCERPT',
4127                                 truncate_string(strip_tags($line["excerpt"]), 100));
4128
4129                         $tpl->addBlock('article');
4130
4131                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
4132                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
4133                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
4134                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
4135 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
4136 //                              truncate_string(strip_tags($line["excerpt"]), 100));
4137
4138                         $tpl_t->addBlock('article');
4139
4140                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
4141                                 $tpl->addBlock('feed');
4142                                 $tpl_t->addBlock('feed');
4143                         }
4144
4145                 }
4146
4147                 $tpl->addBlock('digest');
4148                 $tpl->generateOutputToString($tmp);
4149
4150                 $tpl_t->addBlock('digest');
4151                 $tpl_t->generateOutputToString($tmp_t);
4152
4153                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
4154         }
4155
4156         function check_for_update($link) {
4157                 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
4158                         $version_url = "http://tt-rss.org/version.php?ver=" . VERSION;
4159
4160                         $version_data = @fetch_file_contents($version_url);
4161
4162                         if ($version_data) {
4163                                 $version_data = json_decode($version_data, true);
4164                                 if ($version_data && $version_data['version']) {
4165
4166                                         if (version_compare(VERSION, $version_data['version']) == -1) {
4167                                                 return $version_data;
4168                                         }
4169                                 }
4170                         }
4171                 }
4172                 return false;
4173         }
4174
4175         function markArticlesById($link, $ids, $cmode) {
4176
4177                 $tmp_ids = array();
4178
4179                 foreach ($ids as $id) {
4180                         array_push($tmp_ids, "ref_id = '$id'");
4181                 }
4182
4183                 $ids_qpart = join(" OR ", $tmp_ids);
4184
4185                 if ($cmode == 0) {
4186                         db_query($link, "UPDATE ttrss_user_entries SET
4187                         marked = false,last_read = NOW()
4188                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4189                 } else if ($cmode == 1) {
4190                         db_query($link, "UPDATE ttrss_user_entries SET
4191                         marked = true
4192                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4193                 } else {
4194                         db_query($link, "UPDATE ttrss_user_entries SET
4195                         marked = NOT marked,last_read = NOW()
4196                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4197                 }
4198         }
4199
4200         function publishArticlesById($link, $ids, $cmode) {
4201
4202                 $tmp_ids = array();
4203
4204                 foreach ($ids as $id) {
4205                         array_push($tmp_ids, "ref_id = '$id'");
4206                 }
4207
4208                 $ids_qpart = join(" OR ", $tmp_ids);
4209
4210                 if ($cmode == 0) {
4211                         db_query($link, "UPDATE ttrss_user_entries SET
4212                         published = false,last_read = NOW()
4213                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4214                 } else if ($cmode == 1) {
4215                         db_query($link, "UPDATE ttrss_user_entries SET
4216                         published = true
4217                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4218                 } else {
4219                         db_query($link, "UPDATE ttrss_user_entries SET
4220                         published = NOT published,last_read = NOW()
4221                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4222                 }
4223
4224                 if (PUBSUBHUBBUB_HUB) {
4225                         $rss_link = get_self_url_prefix() .
4226                                 "/backend.php?op=rss&id=-2&key=" .
4227                                 get_feed_access_key($link, -2, false);
4228
4229                         $p = new Publisher(PUBSUBHUBBUB_HUB);
4230
4231                         $pubsub_result = $p->publish_update($rss_link);
4232                 }
4233         }
4234
4235         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
4236
4237                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4238                 if (count($ids) == 0) return;
4239
4240                 $tmp_ids = array();
4241
4242                 foreach ($ids as $id) {
4243                         array_push($tmp_ids, "ref_id = '$id'");
4244                 }
4245
4246                 $ids_qpart = join(" OR ", $tmp_ids);
4247
4248                 if ($cmode == 0) {
4249                         db_query($link, "UPDATE ttrss_user_entries SET
4250                         unread = false,last_read = NOW()
4251                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4252                 } else if ($cmode == 1) {
4253                         db_query($link, "UPDATE ttrss_user_entries SET
4254                         unread = true
4255                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4256                 } else {
4257                         db_query($link, "UPDATE ttrss_user_entries SET
4258                         unread = NOT unread,last_read = NOW()
4259                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4260                 }
4261
4262                 /* update ccache */
4263
4264                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
4265                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4266
4267                 while ($line = db_fetch_assoc($result)) {
4268                         ccache_update($link, $line["feed_id"], $owner_uid);
4269                 }
4270         }
4271
4272         function catchupArticleById($link, $id, $cmode) {
4273
4274                 if ($cmode == 0) {
4275                         db_query($link, "UPDATE ttrss_user_entries SET
4276                         unread = false,last_read = NOW()
4277                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4278                 } else if ($cmode == 1) {
4279                         db_query($link, "UPDATE ttrss_user_entries SET
4280                         unread = true
4281                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4282                 } else {
4283                         db_query($link, "UPDATE ttrss_user_entries SET
4284                         unread = NOT unread,last_read = NOW()
4285                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4286                 }
4287
4288                 $feed_id = getArticleFeed($link, $id);
4289                 ccache_update($link, $feed_id, $_SESSION["uid"]);
4290         }
4291
4292         function make_guid_from_title($title) {
4293                 return preg_replace("/[ \"\',.:;]/", "-",
4294                         mb_strtolower(strip_tags($title), 'utf-8'));
4295         }
4296
4297         function format_headline_subtoolbar($link, $feed_site_url, $feed_title,
4298                         $feed_id, $is_cat, $search, $match_on,
4299                         $search_mode, $view_mode, $error) {
4300
4301                 $page_prev_link = "viewFeedGoPage(-1)";
4302                 $page_next_link = "viewFeedGoPage(1)";
4303                 $page_first_link = "viewFeedGoPage(0)";
4304
4305                 $catchup_page_link = "catchupPage()";
4306                 $catchup_feed_link = "catchupCurrentFeed()";
4307                 $catchup_sel_link = "catchupSelection()";
4308
4309                 $archive_sel_link = "archiveSelection()";
4310                 $delete_sel_link = "deleteSelection()";
4311
4312                 $sel_all_link = "selectArticles('all')";
4313                 $sel_unread_link = "selectArticles('unread')";
4314                 $sel_none_link = "selectArticles('none')";
4315                 $sel_inv_link = "selectArticles('invert')";
4316
4317                 $tog_unread_link = "selectionToggleUnread()";
4318                 $tog_marked_link = "selectionToggleMarked()";
4319                 $tog_published_link = "selectionTogglePublished()";
4320
4321                 $reply = "<div id=\"subtoolbar_main\">";
4322
4323                 $reply .= __('Select:')."
4324                         <a href=\"#\" onclick=\"$sel_all_link\">".__('All')."</a>,
4325                         <a href=\"#\" onclick=\"$sel_unread_link\">".__('Unread')."</a>,
4326                         <a href=\"#\" onclick=\"$sel_inv_link\">".__('Invert')."</a>,
4327                         <a href=\"#\" onclick=\"$sel_none_link\">".__('None')."</a></li>";
4328
4329                 $reply .= " ";
4330
4331                 $reply .= "<select dojoType=\"dijit.form.Select\"
4332                         onchange=\"headlineActionsChange(this)\">";
4333                 $reply .= "<option value=\"false\">".__('Actions...')."</option>";
4334
4335                 $reply .= "<option value=\"0\" disabled=\"1\">".__('Selection toggle:')."</option>";
4336
4337                 $reply .= "<option value=\"$tog_unread_link\">".__('Unread')."</option>
4338                         <option value=\"$tog_marked_link\">".__('Starred')."</option>
4339                         <option value=\"$tog_published_link\">".__('Published')."</option>";
4340
4341                 $reply .= "<option value=\"0\" disabled=\"1\">".__('Selection:')."</option>";
4342
4343                 $reply .= "<option value=\"$catchup_sel_link\">".__('Mark as read')."</option>";
4344
4345                 if ($feed_id != "0") {
4346                         $reply .= "<option value=\"$archive_sel_link\">".__('Archive')."</option>";
4347                 } else {
4348                         $reply .= "<option value=\"$archive_sel_link\">".__('Move back')."</option>";
4349                         $reply .= "<option value=\"$delete_sel_link\">".__('Delete')."</option>";
4350
4351                 }
4352
4353                 $reply .= "<option value=\"emailArticle(false)\">".__('Forward by email').
4354                         "</option>";
4355
4356                 if ($is_cat) $cat_q = "&is_cat=$is_cat";
4357
4358                 if ($search) {
4359                         $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4360                 } else {
4361                         $search_q = "";
4362                 }
4363
4364                 $rss_link = htmlspecialchars(get_self_url_prefix() .
4365                         "/backend.php?op=rss&id=$feed_id$cat_q$search_q");
4366
4367                 $reply .= "<option value=\"0\" disabled=\"1\">".__('Feed:')."</option>";
4368
4369                 $reply .= "<option value=\"catchupPage()\">".__('Mark as read')."</option>";
4370
4371                 $reply .= "<option value=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">".__('View as RSS')."</option>";
4372
4373                 $reply .= "</select>";
4374
4375                 $reply .= "</div>";
4376
4377                 $reply .= "<div id=\"subtoolbar_ftitle\">";
4378
4379                 if ($feed_site_url) {
4380                         $target = "target=\"_blank\"";
4381                         $reply .= "<a title=\"".__("Visit the website")."\" $target href=\"$feed_site_url\">".
4382                                 truncate_string($feed_title,30)."</a>";
4383
4384                         if ($error) {
4385                                 $reply .= " (<span class=\"error\" title=\"$error\">Error</span>)";
4386                         }
4387
4388                 } else {
4389                         if ($feed_id < -10) {
4390                                 $label_id = -11-$feed_id;
4391
4392                                 $result = db_query($link, "SELECT fg_color, bg_color
4393                                         FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
4394                                         $_SESSION["uid"]);
4395
4396                                 if (db_num_rows($result) != 0) {
4397                                         $fg_color = db_fetch_result($result, 0, "fg_color");
4398                                         $bg_color = db_fetch_result($result, 0, "bg_color");
4399
4400                                         $reply .= "<span style=\"background : $bg_color; color : $fg_color\" >";
4401                                         $reply .= $feed_title;
4402                                         $reply .= "</span>";
4403                                 } else {
4404                                         $reply .= $feed_title;
4405                                 }
4406
4407                         } else {
4408                                 $reply .= $feed_title;
4409                         }
4410                 }
4411
4412                 $reply .= "
4413                         <a href=\"#\"
4414                                 title=\"".__("View as RSS feed")."\"
4415                                 onclick=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">
4416                                 <img class=\"noborder\" style=\"vertical-align : middle\" src=\"images/feed-icon-12x12.png\"></a>";
4417
4418                 $reply .= "</div>";
4419
4420                 return $reply;
4421         }
4422
4423         function outputFeedList($link, $special = true) {
4424
4425                 $feedlist = array();
4426
4427                 $enable_cats = get_pref($link, 'ENABLE_FEED_CATS');
4428
4429                 $feedlist['identifier'] = 'id';
4430                 $feedlist['label'] = 'name';
4431                 $feedlist['items'] = array();
4432
4433                 $owner_uid = $_SESSION["uid"];
4434
4435                 /* virtual feeds */
4436
4437                 if ($special) {
4438
4439                         if ($enable_cats) {
4440                                 $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4441                                 $cat = feedlist_init_cat($link, -1, $cat_hidden);
4442                         } else {
4443                                 $cat['items'] = array();
4444                         }
4445
4446                         foreach (array(-4, -3, -1, -2, 0) as $i) {
4447                                 array_push($cat['items'], feedlist_init_feed($link, $i));
4448                         }
4449
4450                         if ($enable_cats) {
4451                                 array_push($feedlist['items'], $cat);
4452                         } else {
4453                                 $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4454                         }
4455
4456                         $result = db_query($link, "SELECT * FROM
4457                                 ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4458
4459                         if (db_num_rows($result) > 0) {
4460
4461                                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4462                                         $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
4463                                         $cat = feedlist_init_cat($link, -2, $cat_hidden);
4464                                 } else {
4465                                         $cat['items'] = array();
4466                                 }
4467
4468                                 while ($line = db_fetch_assoc($result)) {
4469
4470                                         $label_id = -$line['id'] - 11;
4471                                         $count = getFeedUnread($link, $label_id);
4472
4473                                         $feed = feedlist_init_feed($link, $label_id, false, $count);
4474
4475                                         $feed['fg_color'] = $line['fg_color'];
4476                                         $feed['bg_color'] = $line['bg_color'];
4477
4478                                         array_push($cat['items'], $feed);
4479                                 }
4480
4481                                 if ($enable_cats) {
4482                                         array_push($feedlist['items'], $cat);
4483                                 } else {
4484                                         $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4485                                 }
4486                         }
4487                 }
4488
4489 /*              if (get_pref($link, 'ENABLE_FEED_CATS')) {
4490                         if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4491                                 $order_by_qpart = "order_id,category,unread DESC,title";
4492                         } else {
4493                                 $order_by_qpart = "order_id,category,title";
4494                         }
4495                 } else {
4496                         if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4497                                 $order_by_qpart = "unread DESC,title";
4498                         } else {
4499                                 $order_by_qpart = "title";
4500                         }
4501                 } */
4502
4503                 /* real feeds */
4504
4505                 if ($enable_cats)
4506                         $order_by_qpart = "ttrss_feed_categories.order_id,category,
4507                                 ttrss_feeds.order_id,title";
4508                 else
4509                         $order_by_qpart = "title";
4510
4511                 $age_qpart = getMaxAgeSubquery();
4512
4513                 $query = "SELECT ttrss_feeds.id, ttrss_feeds.title,
4514                         ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4515                         cat_id,last_error,
4516                         ttrss_feed_categories.title AS category,
4517                         ttrss_feed_categories.collapsed,
4518                         value AS unread
4519                         FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4520                                 ON (ttrss_feed_categories.id = cat_id)
4521                         LEFT JOIN ttrss_counters_cache
4522                                 ON
4523                                         (ttrss_feeds.id = feed_id)
4524                         WHERE
4525                                 ttrss_feeds.owner_uid = '$owner_uid'
4526                         ORDER BY $order_by_qpart";
4527
4528                 $result = db_query($link, $query);
4529
4530                 $actid = $_REQUEST["actid"];
4531
4532                 if (db_num_rows($result) > 0) {
4533
4534                         $category = "";
4535
4536                         if (!$enable_cats)
4537                                 $cat['items'] = array();
4538                         else
4539                                 $cat = false;
4540
4541                         while ($line = db_fetch_assoc($result)) {
4542
4543                                 $feed = htmlspecialchars(trim($line["title"]));
4544
4545                                 if (!$feed) $feed = "[Untitled]";
4546
4547                                 $feed_id = $line["id"];
4548                                 $unread = $line["unread"];
4549
4550                                 $cat_id = $line["cat_id"];
4551                                 $tmp_category = $line["category"];
4552                                 if (!$tmp_category) $tmp_category = __("Uncategorized");
4553
4554                                 if ($category != $tmp_category && $enable_cats) {
4555
4556                                         $category = $tmp_category;
4557
4558                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4559
4560                                         // workaround for NULL category
4561                                         if ($category == __("Uncategorized")) {
4562                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4563                                         }
4564
4565                                         if ($cat) array_push($feedlist['items'], $cat);
4566
4567                                         $cat = feedlist_init_cat($link, $cat_id, $collapsed);
4568                                 }
4569
4570                                 $updated = make_local_datetime($link, $line["updated_noms"], false);
4571
4572                                 array_push($cat['items'], feedlist_init_feed($link, $feed_id,
4573                                         $feed, $unread, $line['last_error'], $updated));
4574                         }
4575
4576                         if ($enable_cats) {
4577                                 array_push($feedlist['items'], $cat);
4578                         } else {
4579                                 $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4580                         }
4581
4582                 }
4583
4584                 return $feedlist;
4585         }
4586
4587         function get_article_tags($link, $id, $owner_uid = 0) {
4588
4589                 global $memcache;
4590
4591                 $a_id = db_escape_string($id);
4592
4593                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4594
4595                 $query = "SELECT DISTINCT tag_name,
4596                         owner_uid as owner FROM
4597                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4598                         ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
4599
4600                 $obj_id = md5("TAGS:$owner_uid:$id");
4601                 $tags = array();
4602
4603                 if ($memcache && $obj = $memcache->get($obj_id)) {
4604                         $tags = $obj;
4605                 } else {
4606                         /* check cache first */
4607
4608                         $result = db_query($link, "SELECT tag_cache FROM ttrss_user_entries
4609                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4610
4611                         $tag_cache = db_fetch_result($result, 0, "tag_cache");
4612
4613                         if ($tag_cache) {
4614                                 $tags = explode(",", $tag_cache);
4615                         } else {
4616
4617                                 /* do it the hard way */
4618
4619                                 $tmp_result = db_query($link, $query);
4620
4621                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4622                                         array_push($tags, $tmp_line["tag_name"]);
4623                                 }
4624
4625                                 /* update the cache */
4626
4627                                 $tags_str = db_escape_string(join(",", $tags));
4628
4629                                 db_query($link, "UPDATE ttrss_user_entries
4630                                         SET tag_cache = '$tags_str' WHERE ref_id = '$id'
4631                                         AND owner_uid = " . $_SESSION["uid"]);
4632                         }
4633
4634                         if ($memcache) $memcache->add($obj_id, $tags, 0, 3600);
4635                 }
4636
4637                 return $tags;
4638         }
4639
4640         function trim_value(&$value) {
4641                 $value = trim($value);
4642         }
4643
4644         function trim_array($array) {
4645                 $tmp = $array;
4646                 array_walk($tmp, 'trim_value');
4647                 return $tmp;
4648         }
4649
4650         function tag_is_valid($tag) {
4651                 if ($tag == '') return false;
4652                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4653                 if (mb_strlen($tag) > 250) return false;
4654
4655                 if (function_exists('iconv')) {
4656                         $tag = iconv("utf-8", "utf-8", $tag);
4657                 }
4658
4659                 if (!$tag) return false;
4660
4661                 return true;
4662         }
4663
4664         function render_login_form($link, $mobile = 0) {
4665                 switch ($mobile) {
4666                 case 0:
4667                         require_once "login_form.php";
4668                         break;
4669                 case 1:
4670                         require_once "mobile/login_form.php";
4671                         break;
4672                 case 2:
4673                         require_once "mobile/classic/login_form.php";
4674                 }
4675         }
4676
4677         // from http://developer.apple.com/internet/safari/faq.html
4678         function no_cache_incantation() {
4679                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4680                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4681                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4682                 header("Cache-Control: post-check=0, pre-check=0", false);
4683                 header("Pragma: no-cache"); // HTTP/1.0
4684         }
4685
4686         function format_warning($msg, $id = "") {
4687                 global $link;
4688                 return "<div class=\"warning\" id=\"$id\">
4689                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4690         }
4691
4692         function format_notice($msg, $id = "") {
4693                 global $link;
4694                 return "<div class=\"notice\" id=\"$id\">
4695                         <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
4696         }
4697
4698         function format_error($msg, $id = "") {
4699                 global $link;
4700                 return "<div class=\"error\" id=\"$id\">
4701                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4702         }
4703
4704         function print_notice($msg) {
4705                 return print format_notice($msg);
4706         }
4707
4708         function print_warning($msg) {
4709                 return print format_warning($msg);
4710         }
4711
4712         function print_error($msg) {
4713                 return print format_error($msg);
4714         }
4715
4716
4717         function T_sprintf() {
4718                 $args = func_get_args();
4719                 return vsprintf(__(array_shift($args)), $args);
4720         }
4721
4722         function format_inline_player($link, $url, $ctype) {
4723
4724                 $entry = "";
4725
4726                 if (strpos($ctype, "audio/") === 0) {
4727
4728                         if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
4729                                 strpos($_SERVER['HTTP_USER_AGENT'], "Chrome") !== false ||
4730                                 strpos($_SERVER['HTTP_USER_AGENT'], "Safari") !== false )) {
4731
4732                                 $id = 'AUDIO-' . uniqid();
4733
4734                                 $entry .= "<audio id=\"$id\"\">
4735                                         <source src=\"$url\"></source>
4736                                         </audio>";
4737
4738                                 $entry .= "<span onclick=\"player(this)\"
4739                                         title=\"".__("Click to play")."\" status=\"0\"
4740                                         class=\"player\" audio-id=\"$id\">".__("Play")."</span>";
4741
4742                         } else {
4743
4744                                 $entry .= "<object type=\"application/x-shockwave-flash\"
4745                                         data=\"lib/button/musicplayer.swf?song_url=$url\"
4746                                         width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
4747                                         <param name=\"movie\"
4748                                                 value=\"lib/button/musicplayer.swf?song_url=$url\" />
4749                                         </object>";
4750                         }
4751                 }
4752
4753                 $filename = substr($url, strrpos($url, "/")+1);
4754
4755                 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4756                         $filename . " (" . $ctype . ")" . "</a>";
4757
4758                 return $entry;
4759         }
4760
4761         function format_article($link, $id, $mark_as_read = true, $zoom_mode = false) {
4762
4763                 $rv = array();
4764
4765                 $rv['id'] = $id;
4766
4767                 /* we can figure out feed_id from article id anyway, why do we
4768                  * pass feed_id here? let's ignore the argument :( */
4769
4770                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4771                         WHERE ref_id = '$id'");
4772
4773                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4774
4775                 $rv['feed_id'] = $feed_id;
4776
4777                 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4778
4779                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4780                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4781
4782                 if (db_num_rows($result) == 1) {
4783                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4784                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4785                 } else {
4786                         $rtl_content = false;
4787                         $always_display_enclosures = false;
4788                 }
4789
4790                 if ($rtl_content) {
4791                         $rtl_tag = "dir=\"RTL\"";
4792                         $rtl_class = "RTL";
4793                 } else {
4794                         $rtl_tag = "";
4795                         $rtl_class = "";
4796                 }
4797
4798                 if ($mark_as_read) {
4799                         $result = db_query($link, "UPDATE ttrss_user_entries
4800                                 SET unread = false,last_read = NOW()
4801                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4802
4803                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4804                 }
4805
4806                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4807                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4808                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4809                         (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
4810                         num_comments,
4811                         author,
4812                         orig_feed_id,
4813                         note
4814                         FROM ttrss_entries,ttrss_user_entries
4815                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4816
4817                 if ($result) {
4818
4819                         $line = db_fetch_assoc($result);
4820
4821                         if ($line["icon_url"]) {
4822                                 $feed_icon = "<img src=\"" . $line["icon_url"] . "\">";
4823                         } else {
4824                                 $feed_icon = "&nbsp;";
4825                         }
4826
4827                         $feed_site_url = $line['site_url'];
4828
4829                         $num_comments = $line["num_comments"];
4830                         $entry_comments = "";
4831
4832                         if ($num_comments > 0) {
4833                                 if ($line["comments"]) {
4834                                         $comments_url = $line["comments"];
4835                                 } else {
4836                                         $comments_url = $line["link"];
4837                                 }
4838                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
4839                         } else {
4840                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4841                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
4842                                 }
4843                         }
4844
4845                         if ($zoom_mode) {
4846                                 header("Content-Type: text/html");
4847                                 $rv['content'] .= "<html><head>
4848                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4849                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4850                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4851                                         </head><body>";
4852                         }
4853
4854                         $rv['content'] .= "<div id=\"PTITLE-$id\" style=\"display : none\">" .
4855                                 truncate_string(strip_tags($line['title']), 15) . "</div>";
4856
4857                         $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
4858
4859                         $rv['content'] .= "<div onclick=\"return postClicked(event, $id)\"
4860                                 class=\"postHeader\" id=\"POSTHDR-$id\">";
4861
4862                         $entry_author = $line["author"];
4863
4864                         if ($entry_author) {
4865                                 $entry_author = __(" - ") . $entry_author;
4866                         }
4867
4868                         $parsed_updated = make_local_datetime($link, $line["updated"], true,
4869                                 false, true);
4870
4871                         $rv['content'] .= "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4872
4873                         if ($line["link"]) {
4874                                 $rv['content'] .= "<div clear='both'><a target='_blank'
4875                                         title=\"".htmlspecialchars($line['title'])."\"
4876                                         href=\"" .
4877                                         $line["link"] . "\">" .
4878                                         truncate_string($line["title"], 100) .
4879                                         "<span class='author'>$entry_author</span></a></div>";
4880                         } else {
4881                                 $rv['content'] .= "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4882                         }
4883
4884                         $tags = get_article_tags($link, $id);
4885                         $tags_str = format_tags_string($tags, $id);
4886                         $tags_str_full = join(", ", $tags);
4887
4888                         if (!$tags_str_full) $tags_str_full = __("no tags");
4889
4890                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4891
4892                         $rv['content'] .= "<div style='float : right'>
4893                                 <img src='".theme_image($link, 'images/tag.png')."'
4894                                 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4895
4896                         if (!$zoom_mode) {
4897                                 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
4898                                         <a title=\"".__('Edit tags for this article')."\"
4899                                         href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
4900
4901                                 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
4902                                         id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
4903                                         position=\"below\">$tags_str_full</div>";
4904
4905                                 $rv['content'] .= "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
4906                                                 class='tagsPic' style=\"cursor : pointer\"
4907                                                 onclick=\"postOpenInNewTab(event, $id)\"
4908                                                 alt='Zoom' title='".__('Open article in new tab')."'>";
4909
4910                                 //$note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4911
4912                                 $rv['content'] .= "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\"
4913                                                 class='tagsPic' style=\"cursor : pointer\"
4914                                                 onclick=\"editArticleNote($id)\"
4915                                                 alt='PubNote' title='".__('Edit article note')."'>";
4916
4917                                 if (DIGEST_ENABLE) {
4918                                         $rv['content'] .= "<img src=\"".theme_image($link, 'images/art-email.png')."\"
4919                                                 class='tagsPic' style=\"cursor : pointer\"
4920                                                 onclick=\"emailArticle($id)\"
4921                                                 alt='Zoom' title='".__('Forward by email')."'>";
4922                                 }
4923
4924                                 if (ENABLE_TWEET_BUTTON) {
4925                                         $rv['content'] .= "<img src=\"".theme_image($link, 'images/art-tweet.png')."\"
4926                                                         class='tagsPic' style=\"cursor : pointer\"
4927                                                         onclick=\"tweetArticle($id)\"
4928                                                         alt='Zoom' title='".__('Share on Twitter')."'>";
4929                                 }
4930
4931                                 $rv['content'] .= "<img src=\"".theme_image($link, 'images/art-share.png')."\"
4932                                         class='tagsPic' style=\"cursor : pointer\"
4933                                         onclick=\"shareArticle(".$line['int_id'].")\"
4934                                         alt='Zoom' title='".__('Share by URL')."'>";
4935
4936                                 $rv['content'] .= "<img src=\"".theme_image($link, 'images/digest_checkbox.png')."\"
4937                                                 class='tagsPic' style=\"cursor : pointer\"
4938                                                 onclick=\"closeArticlePanel($id)\"
4939                                                 alt='Zoom' title='".__('Close this panel')."'>";
4940
4941                         } else {
4942                                 $tags_str = strip_tags($tags_str);
4943                                 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
4944                         }
4945                         $rv['content'] .= "</div>";
4946                         $rv['content'] .= "<div clear='both'>$entry_comments</div>";
4947
4948                         if ($line["orig_feed_id"]) {
4949
4950                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
4951                                         WHERE id = ".$line["orig_feed_id"]);
4952
4953                                 if (db_num_rows($tmp_result) != 0) {
4954
4955                                         $rv['content'] .= "<div clear='both'>";
4956                                         $rv['content'] .= __("Originally from:");
4957
4958                                         $rv['content'] .= "&nbsp;";
4959
4960                                         $tmp_line = db_fetch_assoc($tmp_result);
4961
4962                                         $rv['content'] .= "<a target='_blank'
4963                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
4964                                                 $tmp_line['title'] . "</a>";
4965
4966                                         $rv['content'] .= "&nbsp;";
4967
4968                                         $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
4969                                         $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
4970
4971                                         $rv['content'] .= "</div>";
4972                                 }
4973                         }
4974
4975                         $rv['content'] .= "</div>";
4976
4977                         $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
4978                                 if ($line['note']) {
4979                                         $rv['content'] .= format_article_note($id, $line['note']);
4980                                 }
4981                         $rv['content'] .= "</div>";
4982
4983                         $rv['content'] .= "<div class=\"postIcon\">" .
4984                                 "<a target=\"_blank\" title=\"".__("Visit the website")."\"$
4985                                 href=\"".htmlspecialchars($feed_site_url)."\">".
4986                                 $feed_icon . "</a></div>";
4987
4988                         $rv['content'] .= "<div class=\"postContent\">";
4989
4990                         $article_content = sanitize_rss($link, $line["content"], false, false,
4991                                 $feed_site_url);
4992
4993                         $rv['content'] .= $article_content;
4994
4995                         $rv['content'] .= format_article_enclosures($link, $id,
4996                                 $always_display_enclosures, $article_content);
4997
4998                         $rv['content'] .= "</div>";
4999
5000                         $rv['content'] .= "</div>";
5001
5002                 }
5003
5004                 if ($zoom_mode) {
5005                         $rv['content'] .= "
5006                                 <div style=\"text-align : center\">
5007                                 <button onclick=\"return window.close()\">".
5008                                         __("Close this window")."</button></div>";
5009                         $rv['content'] .= "</body></html>";
5010                 }
5011
5012                 return $rv;
5013
5014         }
5015
5016         function format_headlines_list($link, $feed, $subop, $view_mode, $limit, $cat_view,
5017                                         $next_unread_feed, $offset, $vgr_last_feed = false,
5018                                         $override_order = false) {
5019
5020                 $disable_cache = false;
5021
5022                 $reply = array();
5023
5024                 $timing_info = getmicrotime();
5025
5026                 $topmost_article_ids = array();
5027
5028                 if (!$offset) $offset = 0;
5029                 if ($subop == "undefined") $subop = "";
5030
5031                 $subop_split = explode(":", $subop);
5032
5033 /*              if ($subop == "CatchupSelected") {
5034                         $ids = explode(",", db_escape_string($_REQUEST["ids"]));
5035                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
5036
5037                         catchupArticlesById($link, $ids, $cmode);
5038                 } */
5039
5040                 if ($subop == "ForceUpdate" && $feed && is_numeric($feed) > 0) {
5041                         update_rss_feed($link, $feed, true);
5042                 }
5043
5044                 if ($subop == "MarkAllRead")  {
5045                         catchup_feed($link, $feed, $cat_view);
5046
5047                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
5048                                 if ($next_unread_feed) {
5049                                         $feed = $next_unread_feed;
5050                                 }
5051                         }
5052                 }
5053
5054                 if ($subop_split[0] == "MarkAllReadGR")  {
5055                         catchup_feed($link, $subop_split[1], false);
5056                 }
5057
5058                 // FIXME: might break tag display?
5059
5060                 if (is_numeric($feed) && $feed > 0 && !$cat_view) {
5061                         $result = db_query($link,
5062                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
5063
5064                         if (db_num_rows($result) == 0) {
5065                                 $reply['content'] = "<div align='center'>".__('Feed not found.')."</div>";
5066                         }
5067                 }
5068
5069                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
5070
5071                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
5072                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
5073
5074                         if (db_num_rows($result) == 1) {
5075                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
5076                         } else {
5077                                 $rtl_content = false;
5078                         }
5079
5080                         if ($rtl_content) {
5081                                 $rtl_tag = "dir=\"RTL\"";
5082                         } else {
5083                                 $rtl_tag = "";
5084                         }
5085                 } else {
5086                         $rtl_tag = "";
5087                         $rtl_content = false;
5088                 }
5089
5090                 @$search = db_escape_string($_REQUEST["query"]);
5091
5092                 if ($search) {
5093                         $disable_cache = true;
5094                 }
5095
5096                 @$search_mode = db_escape_string($_REQUEST["search_mode"]);
5097                 @$match_on = db_escape_string($_REQUEST["match_on"]);
5098
5099                 if (!$match_on) {
5100                         $match_on = "both";
5101                 }
5102
5103                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
5104
5105 //              error_log("format_headlines_list: [" . $feed . "] subop [" . $subop . "]");
5106                 if( $search_mode == '' && $subop != '' ){
5107                     $search_mode = $subop;
5108                 }
5109 //              error_log("search_mode: " . $search_mode);
5110                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
5111                         $search, $search_mode, $match_on, $override_order, $offset);
5112
5113                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
5114
5115                 $result = $qfh_ret[0];
5116                 $feed_title = $qfh_ret[1];
5117                 $feed_site_url = $qfh_ret[2];
5118                 $last_error = $qfh_ret[3];
5119
5120                 $vgroup_last_feed = $vgr_last_feed;
5121
5122 //              if (!$offset) {
5123
5124                         if (db_num_rows($result) > 0) {
5125                                 $reply['toolbar'] = format_headline_subtoolbar($link, $feed_site_url,
5126                                         $feed_title,
5127                                         $feed, $cat_view, $search, $match_on, $search_mode, $view_mode,
5128                                         $last_error);
5129                         }
5130 //              }
5131
5132                 $headlines_count = db_num_rows($result);
5133
5134                 if (db_num_rows($result) > 0) {
5135
5136                         $lnum = $offset;
5137
5138                         $num_unread = 0;
5139                         $cur_feed_title = '';
5140
5141                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
5142
5143                         if ($_REQUEST["debug"]) $timing_info = print_checkpoint("PS", $timing_info);
5144
5145                         while ($line = db_fetch_assoc($result)) {
5146
5147                                 $class = ($lnum % 2) ? "even" : "odd";
5148
5149                                 $id = $line["id"];
5150                                 $feed_id = $line["feed_id"];
5151
5152                                 $labels = get_article_labels($link, $id);
5153
5154                                 $labels_str = "<span id=\"HLLCTR-$id\">";
5155                                 $labels_str .= format_article_labels($labels, $id);
5156                                 $labels_str .= "</span>";
5157
5158                                 if (count($topmost_article_ids) < 3) {
5159                                         array_push($topmost_article_ids, $id);
5160                                 }
5161
5162                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
5163
5164                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5165                                                 theme_image($link, 'images/updated.png')."\"
5166                                                 alt=\"Updated\">";
5167                                 } else {
5168                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
5169                                                 alt=\"Updated\">";
5170                                 }
5171
5172                                 if (sql_bool_to_bool($line["unread"]) &&
5173                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
5174
5175                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5176                                                 theme_image($link, 'images/fresh_sign.png')."\" alt=\"Fresh\">";
5177                                 }
5178
5179                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
5180                                         $class .= " Unread";
5181                                         ++$num_unread;
5182                                         $is_unread = true;
5183                                 } else {
5184                                         $is_unread = false;
5185                                 }
5186
5187                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
5188                                         $marked_pic = "<img id=\"FMPIC-$id\"
5189                                                 src=\"".theme_image($link, 'images/mark_set.png')."\"
5190                                                 class=\"markedPic\" alt=\"Unstar article\"
5191                                                 onclick='javascript:tMark($id)'>";
5192                                 } else {
5193                                         $marked_pic = "<img id=\"FMPIC-$id\"
5194                                                 src=\"".theme_image($link, 'images/mark_unset.png')."\"
5195                                                 class=\"markedPic\" alt=\"Star article\"
5196                                                 onclick='javascript:tMark($id)'>";
5197                                 }
5198
5199                                 if ($line["published"] == "t" || $line["published"] == "1") {
5200                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
5201                                                 'images/pub_set.png')."\"
5202                                                 class=\"markedPic\"
5203                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
5204                                 } else {
5205                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
5206                                                 'images/pub_unset.png')."\"
5207                                                 class=\"markedPic\"
5208                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
5209                                 }
5210
5211 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
5212 #                                       $line["title"] . "</a>";
5213
5214 #                               $content_link = "<a
5215 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
5216 #                                       onclick=\"view($id,$feed_id);\">" .
5217 #                                       $line["title"] . "</a>";
5218
5219 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
5220 #                                       $line["title"] . "</a>";
5221
5222                                 $updated_fmt = make_local_datetime($link, $line["updated_noms"], false);
5223
5224                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5225                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
5226                                                 100);
5227                                 }
5228
5229                                 $score = $line["score"];
5230
5231                                 $score_pic = theme_image($link,
5232                                         "images/" . get_score_pic($score));
5233
5234 /*                              $score_title = __("(Click to change)");
5235                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5236                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
5237
5238                                 $score_pic = "<img class='hlScorePic' src=\"$score_pic\"
5239                                         title=\"$score\">";
5240
5241                                 if ($score > 500) {
5242                                         $hlc_suffix = "H";
5243                                 } else if ($score < -100) {
5244                                         $hlc_suffix = "L";
5245                                 } else {
5246                                         $hlc_suffix = "";
5247                                 }
5248
5249                                 $entry_author = $line["author"];
5250
5251                                 if ($entry_author) {
5252                                         $entry_author = " - $entry_author";
5253                                 }
5254
5255                                 $has_feed_icon = feed_has_icon($feed_id);
5256
5257                                 if ($has_feed_icon) {
5258                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5259                                 } else {
5260                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/feed-icon-12x12.png\" alt=\"\">";
5261                                 }
5262
5263                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5264
5265                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5266                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5267
5268                                                         $cur_feed_title = $line["feed_title"];
5269                                                         $vgroup_last_feed = $feed_id;
5270
5271                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5272
5273                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5274
5275                                                         $reply['content'] .= "<div class='cdmFeedTitle'>".
5276                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5277                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5278                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5279
5280                                                 }
5281                                         }
5282
5283                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5284                                                 onmouseout='postMouseOut($id)'";
5285
5286                                         $reply['content'] .= "<div class='$class' id='RROW-$id' $mouseover_attrs>";
5287
5288                                         $reply['content'] .= "<div class='hlUpdPic'>$update_pic</div>";
5289
5290                                         $reply['content'] .= "<div class='hlLeft'>";
5291
5292                                         $reply['content'] .= "<input type=\"checkbox\" onclick=\"tSR(this)\"
5293                                                         id=\"RCHK-$id\">";
5294
5295                                         $reply['content'] .= "$marked_pic";
5296                                         $reply['content'] .= "$published_pic";
5297
5298                                         $reply['content'] .= "</div>";
5299
5300                                         $reply['content'] .= "<div onclick='return hlClicked(event, $id)'
5301                                                 class=\"hlTitle\"><span class='hlContent$hlc_suffix'>";
5302                                         $reply['content'] .= "<a id=\"RTITLE-$id\"
5303                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5304                                                 onclick=\"\">" .
5305                                                 truncate_string($line["title"], 200);
5306
5307                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5308                                                 if ($content_preview) {
5309                                                         $reply['content'] .= "<span class=\"contentPreview\"> - $content_preview</span>";
5310                                                 }
5311                                         }
5312
5313                                         $reply['content'] .= "</a></span>";
5314
5315                                         $reply['content'] .= $labels_str;
5316
5317                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED') &&
5318                                                 defined('_SHOW_FEED_TITLE_IN_VFEEDS')) {
5319                                                 if (@$line["feed_title"]) {
5320                                                         $reply['content'] .= "<span class=\"hlFeed\">
5321                                                                 (<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5322                                                                 $line["feed_title"]."</a>)
5323                                                         </span>";
5324                                                 }
5325                                         }
5326
5327                                         $reply['content'] .= "</div>";
5328
5329                                         $reply['content'] .= "<span class=\"hlUpdated\">$updated_fmt</span>";
5330                                         $reply['content'] .= "<div class=\"hlRight\">";
5331
5332                                         $reply['content'] .= $score_pic;
5333
5334                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5335
5336                                                 $reply['content'] .= "<span onclick=\"viewfeed($feed_id)\"
5337                                                         style=\"cursor : pointer\"
5338                                                         title=\"".htmlspecialchars($line['feed_title'])."\">
5339                                                         $feed_icon_img<span>";
5340                                         }
5341
5342                                         $reply['content'] .= "</div>";
5343                                         $reply['content'] .= "</div>";
5344
5345                                 } else {
5346
5347                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5348                                                 if ($feed_id != $vgroup_last_feed) {
5349
5350                                                         $cur_feed_title = $line["feed_title"];
5351                                                         $vgroup_last_feed = $feed_id;
5352
5353                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5354
5355                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5356
5357                                                         $has_feed_icon = feed_has_icon($feed_id);
5358
5359                                                         if ($has_feed_icon) {
5360                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5361                                                         } else {
5362                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5363                                                         }
5364
5365                                                         $reply['content'] .= "<div class='cdmFeedTitle'>".
5366                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5367                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5368                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5369                                                 }
5370                                         }
5371
5372                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5373
5374                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5375                                                 onmouseout='postMouseOut($id)'";
5376
5377                                         $reply['content'] .= "<div class=\"$class\"
5378                                                 id=\"RROW-$id\" $mouseover_attrs'>";
5379
5380                                         $reply['content'] .= "<div class=\"cdmHeader\">";
5381
5382                                         $reply['content'] .= "<div style='float : right'>";
5383                                         $reply['content'] .= "<span class='updated'>$updated_fmt</span>";
5384                                         $reply['content'] .= "$score_pic";
5385
5386                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") && $line["feed_title"]) {
5387                                                 $reply['content'] .= "<span style=\"cursor : pointer\"
5388                                                         title=\"".htmlspecialchars($line["feed_title"])."\"
5389                                                         onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5390                                         }
5391                                         $reply['content'] .= "<div class=\"updPic\">$update_pic</div>";
5392
5393                                         $reply['content'] .= "</div>";
5394
5395                                         $reply['content'] .= "<input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5396                                                         'RROW-$id')\" id=\"RCHK-$id\"/>";
5397
5398                                         $reply['content'] .= "$marked_pic";
5399                                         $reply['content'] .= "$published_pic";
5400
5401                                         $reply['content'] .= "<span id=\"RTITLE-$id\"
5402                                                 onclick=\"return cdmClicked(event, $id);\"
5403                                                 class=\"titleWrap$hlc_suffix\">
5404                                                 <a class=\"title\"
5405                                                 title=\"".htmlspecialchars($line['title'])."\"
5406                                                 target=\"_blank\" href=\"".
5407                                                 htmlspecialchars($line["link"])."\">".
5408                                                 truncate_string($line["title"], 100) .
5409                                                 " $entry_author</a>";
5410
5411                                         $reply['content'] .= $labels_str;
5412
5413                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED') &&
5414                                                 defined('_SHOW_FEED_TITLE_IN_VFEEDS')) {
5415                                                 if (@$line["feed_title"]) {
5416                                                         $reply['content'] .= "<span class=\"hlFeed\">
5417                                                                 (<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5418                                                                 $line["feed_title"]."</a>)
5419                                                         </span>";
5420                                                 }
5421                                         }
5422
5423                                         if (!$expand_cdm)
5424                                                 $content_hidden = "style=\"display : none\"";
5425                                         else
5426                                                 $excerpt_hidden = "style=\"display : none\"";
5427
5428                                         $reply['content'] .= "<span $excerpt_hidden
5429                                                 id=\"CEXC-$id\" class=\"cdmExcerpt\"> - $content_preview</span>";
5430
5431                                         $reply['content'] .= "</span>";
5432
5433                                         $reply['content'] .= "</div>";
5434
5435                                         $reply['content'] .= "<div class=\"cdmContent\" $content_hidden
5436                                                 onclick=\"return cdmClicked(event, $id);\"
5437                                                 id=\"CICD-$id\">";
5438
5439                                         $reply['content'] .= "<div class=\"cdmContentInner\">";
5440
5441                         if ($line["orig_feed_id"]) {
5442
5443                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
5444                                         WHERE id = ".$line["orig_feed_id"]);
5445
5446                                                 if (db_num_rows($tmp_result) != 0) {
5447
5448                                                         $reply['content'] .= "<div clear='both'>";
5449                                                         $reply['content'] .= __("Originally from:");
5450
5451                                                         $reply['content'] .= "&nbsp;";
5452
5453                                                         $tmp_line = db_fetch_assoc($tmp_result);
5454
5455                                                         $reply['content'] .= "<a target='_blank'
5456                                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
5457                                                                 $tmp_line['title'] . "</a>";
5458
5459                                                         $reply['content'] .= "&nbsp;";
5460
5461                                                         $reply['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
5462                                                         $reply['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
5463
5464                                                         $reply['content'] .= "</div>";
5465                                                 }
5466                                         }
5467
5468                                         // FIXME: make this less of a hack
5469
5470                                         $feed_site_url = false;
5471
5472                                         if ($line["feed_id"]) {
5473                                                 $tmp_result = db_query($link, "SELECT site_url FROM ttrss_feeds
5474                                                         WHERE id = " . $line["feed_id"]);
5475
5476                                                 if (db_num_rows($tmp_result) == 1) {
5477                                                         $feed_site_url = db_fetch_result($tmp_result, 0, "site_url");
5478                                                 }
5479                                         }
5480
5481                                         $article_content = sanitize_rss($link, $line["content_preview"],
5482                                                         false, false, $feed_site_url);
5483
5484                                         $reply['content'] .= "<div id=\"POSTNOTE-$id\">";
5485                                         if ($line['note']) {
5486                                                 $reply['content'] .= format_article_note($id, $line['note']);
5487                                         }
5488                                         $reply['content'] .= "</div>";
5489
5490                                         $reply['content'] .= "<span id=\"CWRAP-$id\">";
5491                                         $reply['content'] .= $expand_cdm ? $article_content : '';
5492                                         $reply['content'] .= "</span>";
5493
5494                                         $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5495                                                 ttrss_feeds WHERE id = ".
5496                                                 (($line['feed_id'] == null) ? $line['orig_feed_id'] :
5497                                                                 $line['feed_id'])." AND owner_uid = ".$_SESSION["uid"]);
5498
5499                                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($tmp_result,
5500                                                 0, "always_display_enclosures"));
5501
5502                                         $reply['content'] .= format_article_enclosures($link, $id, $always_display_enclosures,
5503                                                 $article_content);
5504
5505                                         $reply['content'] .= "</div>";
5506
5507                                         $reply['content'] .= "<div class=\"cdmFooter\">";
5508
5509                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5510
5511                                         $reply['content'] .= "<img src='".theme_image($link,
5512                                                         'images/tag.png')."' alt='Tags' title='Tags'>
5513                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5514                                                 <a title=\"".__('Edit tags for this article')."\"
5515                                                 href=\"#\" onclick=\"editArticleTags($id, $feed_id, true)\">(+)</a>";
5516
5517                                         $reply['content'] .= "<div style=\"float : right\">";
5518
5519                                         $reply['content'] .= "<img src=\"images/art-zoom.png\"
5520                                                 onclick=\"zoomToArticle(event, $id)\"
5521                                                 style=\"cursor : pointer\"
5522                                                 alt='Zoom'
5523                                                 title='".__('Open article in new tab')."'>";
5524
5525                                         //$note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5526
5527                                         $reply['content'] .= "<img src=\"images/art-pub-note.png\"
5528                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5529                                                 onclick=\"editArticleNote($id)\"
5530                                                 alt='PubNote' title='".__('Edit article note')."'>";
5531
5532                                         if (DIGEST_ENABLE) {
5533                                                 $reply['content'] .= "<img src=\"".theme_image($link, 'images/art-email.png')."\"
5534                                                         style=\"cursor : pointer\"
5535                                                         onclick=\"emailArticle($id)\"
5536                                                         alt='Zoom' title='".__('Forward by email')."'>";
5537                                         }
5538
5539                                         if (ENABLE_TWEET_BUTTON) {
5540                                                 $reply['content'] .= "<img src=\"".theme_image($link, 'images/art-tweet.png')."\"
5541                                                         class='tagsPic' style=\"cursor : pointer\"
5542                                                         onclick=\"tweetArticle($id)\"
5543                                                         alt='Zoom' title='".__('Share on Twitter')."'>";
5544                                         }
5545
5546                                         $reply['content'] .= "<img src=\"images/digest_checkbox.png\"
5547                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5548                                                 onclick=\"dismissArticle($id)\"
5549                                                 alt='Dismiss' title='".__('Dismiss article')."'>";
5550
5551                                         $reply['content'] .= "</div>";
5552                                         $reply['content'] .= "</div>";
5553
5554                                         $reply['content'] .= "</div>";
5555
5556                                         $reply['content'] .= "</div>";
5557
5558                                 }
5559
5560                                 ++$lnum;
5561                         }
5562
5563                         if ($_REQUEST["debug"]) $timing_info = print_checkpoint("PE", $timing_info);
5564
5565                 } else {
5566                         $message = "";
5567
5568                         switch ($view_mode) {
5569                                 case "unread":
5570                                         $message = __("No unread articles found to display.");
5571                                         break;
5572                                 case "updated":
5573                                         $message = __("No updated articles found to display.");
5574                                         break;
5575                                 case "marked":
5576                                         $message = __("No starred articles found to display.");
5577                                         break;
5578                                 default:
5579                                         if ($feed < -10) {
5580                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5581                                         } else {
5582                                                 $message = __("No articles found to display.");
5583                                         }
5584                         }
5585
5586                         if (!$offset && $message) {
5587                                 $reply['content'] .= "<div class='whiteBox'>$message";
5588
5589                                 $reply['content'] .= "<p class=\"small\"><span class=\"insensitive\">";
5590
5591                                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
5592                                         WHERE owner_uid = " . $_SESSION['uid']);
5593
5594                                 $last_updated = db_fetch_result($result, 0, "last_updated");
5595                                 $last_updated = make_local_datetime($link, $last_updated, false);
5596
5597                                 $reply['content'] .= sprintf(__("Feeds last updated at %s"), $last_updated);
5598
5599                                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
5600                                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
5601
5602                                 $num_errors = db_fetch_result($result, 0, "num_errors");
5603
5604                                 if ($num_errors > 0) {
5605                                         $reply['content'] .= "<br/>";
5606                                         $reply['content'] .= "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
5607                                                 __('Some feeds have update errors (click for details)')."</a>";
5608                                 }
5609                                 $reply['content'] .= "</span></p></div>";
5610                         }
5611                 }
5612
5613                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H2", $timing_info);
5614
5615                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache,
5616                         $vgroup_last_feed, $reply);
5617         }
5618
5619 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5620
5621         function printTagCloud($link) {
5622
5623                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5624                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5625                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5626
5627                 $result = db_query($link, $query);
5628
5629                 $tags = array();
5630
5631                 while ($line = db_fetch_assoc($result)) {
5632                         $tags[$line["tag_name"]] = $line["count"];
5633                 }
5634
5635         if( count($tags) == 0 ){ return; }
5636
5637                 ksort($tags);
5638
5639                 $max_size = 32; // max font size in pixels
5640                 $min_size = 11; // min font size in pixels
5641
5642                 // largest and smallest array values
5643                 $max_qty = max(array_values($tags));
5644                 $min_qty = min(array_values($tags));
5645
5646                 // find the range of values
5647                 $spread = $max_qty - $min_qty;
5648                 if ($spread == 0) { // we don't want to divide by zero
5649                                 $spread = 1;
5650                 }
5651
5652                 // set the font-size increment
5653                 $step = ($max_size - $min_size) / ($spread);
5654
5655                 // loop through the tag array
5656                 foreach ($tags as $key => $value) {
5657                         // calculate font-size
5658                         // find the $value in excess of $min_qty
5659                         // multiply by the font-size increment ($size)
5660                         // and add the $min_size set above
5661                         $size = round($min_size + (($value - $min_qty) * $step));
5662
5663                         $key_escaped = str_replace("'", "\\'", $key);
5664
5665                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5666                                 $size . "px\" title=\"$value articles tagged with " .
5667                                 $key . '">' . $key . '</a> ';
5668                 }
5669         }
5670
5671         function print_checkpoint($n, $s) {
5672                 $ts = getmicrotime();
5673                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5674                 return $ts;
5675         }
5676
5677         function sanitize_tag($tag) {
5678                 $tag = trim($tag);
5679
5680                 $tag = mb_strtolower($tag, 'utf-8');
5681
5682                 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
5683
5684 //              $tag = str_replace('"', "", $tag);
5685 //              $tag = str_replace("+", " ", $tag);
5686                 $tag = str_replace("technorati tag: ", "", $tag);
5687
5688                 return $tag;
5689         }
5690
5691         function get_self_url_prefix() {
5692                 return SELF_URL_PATH;
5693         }
5694
5695         function opml_publish_url($link){
5696
5697                 $url_path = get_self_url_prefix();
5698                 $url_path .= "/opml.php?op=publish&key=" .
5699                         get_feed_access_key($link, 'OPML:Publish', false, $_SESSION["uid"]);
5700
5701                 return $url_path;
5702         }
5703
5704         /**
5705          * Purge a feed contents, marked articles excepted.
5706          *
5707          * @param mixed $link The database connection.
5708          * @param integer $id The id of the feed to purge.
5709          * @return void
5710          */
5711         function clear_feed_articles($link, $id) {
5712
5713                 if ($id != 0) {
5714                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5715                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5716                 } else {
5717                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5718                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5719                 }
5720
5721                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5722                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5723
5724                 ccache_update($link, $id, $_SESSION['uid']);
5725         } // function clear_feed_articles
5726
5727         /**
5728          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5729          *
5730          * @return string The Mozilla Firefox feed adding URL.
5731          */
5732         function add_feed_url() {
5733                 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5734
5735                 $url_path = get_self_url_prefix() .
5736                         "/backend.php?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5737                 return $url_path;
5738         } // function add_feed_url
5739
5740         /**
5741          * Encrypt a password in SHA1.
5742          *
5743          * @param string $pass The password to encrypt.
5744          * @param string $login A optionnal login.
5745          * @return string The encrypted password.
5746          */
5747         function encrypt_password($pass, $login = '') {
5748                 if ($login) {
5749                         return "SHA1X:" . sha1("$login:$pass");
5750                 } else {
5751                         return "SHA1:" . sha1($pass);
5752                 }
5753         } // function encrypt_password
5754
5755         /**
5756          * Update a feed batch.
5757          * Used by daemons to update n feeds by run.
5758          * Only update feed needing a update, and not being processed
5759          * by another process.
5760          *
5761          * @param mixed $link Database link
5762          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5763          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5764          * @param boolean $debug Set to false to disable debug output. Default to true.
5765          * @return void
5766          */
5767         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5768                 // Process all other feeds using last_updated and interval parameters
5769
5770                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5771                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5772                         if (DB_TYPE == "pgsql") {
5773                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5774                         } else {
5775                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5776                         }
5777                 } else {
5778                         $login_thresh_qpart = "";
5779                 }
5780
5781                 // Test if the feed need a update (update interval exceded).
5782                 if (DB_TYPE == "pgsql") {
5783                         $update_limit_qpart = "AND ((
5784                                         ttrss_feeds.update_interval = 0
5785                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5786                                 ) OR (
5787                                         ttrss_feeds.update_interval > 0
5788                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5789                                 ) OR ttrss_feeds.last_updated IS NULL)";
5790                 } else {
5791                         $update_limit_qpart = "AND ((
5792                                         ttrss_feeds.update_interval = 0
5793                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5794                                 ) OR (
5795                                         ttrss_feeds.update_interval > 0
5796                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5797                                 ) OR ttrss_feeds.last_updated IS NULL)";
5798                 }
5799
5800                 // Test if feed is currently being updated by another process.
5801                 if (DB_TYPE == "pgsql") {
5802                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '5 minutes')";
5803                 } else {
5804                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 5 MINUTE))";
5805                 }
5806
5807                 // Test if there is a limit to number of updated feeds
5808                 $query_limit = "";
5809                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5810
5811                 $random_qpart = sql_random_function();
5812
5813                 // We search for feed needing update.
5814                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5815                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5816                                 ttrss_feeds.update_interval
5817                         FROM
5818                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5819                         WHERE
5820                                 ttrss_feeds.owner_uid = ttrss_users.id
5821                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5822                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5823                                 $login_thresh_qpart $update_limit_qpart
5824                          $updstart_thresh_qpart
5825                         ORDER BY $random_qpart $query_limit");
5826
5827                 $user_prefs_cache = array();
5828
5829                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5830
5831                 // Here is a little cache magic in order to minimize risk of double feed updates.
5832                 $feeds_to_update = array();
5833                 while ($line = db_fetch_assoc($result)) {
5834                         $feeds_to_update[$line['id']] = $line;
5835                 }
5836
5837                 // We update the feed last update started date before anything else.
5838                 // There is no lag due to feed contents downloads
5839                 // It prevent an other process to update the same feed.
5840                 $feed_ids = array_keys($feeds_to_update);
5841                 if($feed_ids) {
5842                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5843                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5844                 }
5845
5846                 // For each feed, we call the feed update function.
5847                 while ($line = array_pop($feeds_to_update)) {
5848
5849                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5850
5851                         update_rss_feed($link, $line["id"], true);
5852
5853                         sleep(1); // prevent flood (FIXME make this an option?)
5854                 }
5855
5856                 // Send feed digests by email if needed.
5857                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5858
5859         } // function update_daemon_common
5860
5861         function sanitize_article_content($text) {
5862                 # we don't support CDATA sections in articles, they break our own escaping
5863                 $text = preg_replace("/\[\[CDATA/", "", $text);
5864                 $text = preg_replace("/\]\]\>/", "", $text);
5865                 return $text;
5866         }
5867
5868         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5869                 $filters = array();
5870
5871                 global $memcache;
5872
5873                 $obj_id = md5("FILTER:$feed:$owner_uid:$action_id");
5874
5875                 if ($memcache && $obj = $memcache->get($obj_id)) {
5876
5877                         return $obj;
5878
5879                 } else {
5880
5881                         if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5882
5883                         $result = db_query($link, "SELECT reg_exp,
5884                                 ttrss_filter_types.name AS name,
5885                                 ttrss_filter_actions.name AS action,
5886                                 inverse,
5887                                 action_param,
5888                                 filter_param
5889                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5890                                         enabled = true AND
5891                                         $ftype_query_part
5892                                         owner_uid = $owner_uid AND
5893                                         ttrss_filter_types.id = filter_type AND
5894                                         ttrss_filter_actions.id = action_id AND
5895                                         (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5896
5897                         while ($line = db_fetch_assoc($result)) {
5898                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5899                                         $filter["reg_exp"] = $line["reg_exp"];
5900                                         $filter["action"] = $line["action"];
5901                                         $filter["action_param"] = $line["action_param"];
5902                                         $filter["filter_param"] = $line["filter_param"];
5903                                         $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5904
5905                                         array_push($filters[$line["name"]], $filter);
5906                                 }
5907
5908                         if ($memcache) $memcache->add($obj_id, $filters, 0, 3600*8);
5909
5910                         return $filters;
5911                 }
5912         }
5913
5914         function get_score_pic($score) {
5915                 if ($score > 100) {
5916                         return "score_high.png";
5917                 } else if ($score > 0) {
5918                         return "score_half_high.png";
5919                 } else if ($score < -100) {
5920                         return "score_low.png";
5921                 } else if ($score < 0) {
5922                         return "score_half_low.png";
5923                 } else {
5924                         return "score_neutral.png";
5925                 }
5926         }
5927
5928         function rounded_table_start($classname, $header = "&nbsp;") {
5929                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5930                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5931                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5932         }
5933
5934         function rounded_table_end($footer = "&nbsp;") {
5935                 print "</td><td class='right'>&nbsp;</td></tr>";
5936                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5937                 print "</table>";
5938         }
5939
5940         function feed_has_icon($id) {
5941                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5942         }
5943
5944         function init_connection($link) {
5945                 if (DB_TYPE == "pgsql") {
5946                         pg_query($link, "set client_encoding = 'UTF-8'");
5947                         pg_set_client_encoding("UNICODE");
5948                         pg_query($link, "set datestyle = 'ISO, european'");
5949                         pg_query($link, "set TIME ZONE 0");
5950                 } else {
5951                         db_query($link, "SET time_zone = '+0:0'");
5952
5953                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5954                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5955         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5956                         }
5957                 }
5958         }
5959
5960         function update_feedbrowser_cache($link) {
5961
5962                 $result = db_query($link, "SELECT feed_url, site_url, title, COUNT(id) AS subscribers
5963                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5964                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5965                                 AND (private IS true OR auth_login != '' OR auth_pass != '' OR feed_url LIKE '%:%@%/%'))
5966                                 GROUP BY feed_url, site_url, title ORDER BY subscribers DESC LIMIT 1000");
5967
5968                 db_query($link, "BEGIN");
5969
5970                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5971
5972                 $count = 0;
5973
5974                 while ($line = db_fetch_assoc($result)) {
5975                         $subscribers = db_escape_string($line["subscribers"]);
5976                         $feed_url = db_escape_string($line["feed_url"]);
5977                         $title = db_escape_string($line["title"]);
5978                         $site_url = db_escape_string($line["site_url"]);
5979
5980                         $tmp_result = db_query($link, "SELECT subscribers FROM
5981                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
5982
5983                         if (db_num_rows($tmp_result) == 0) {
5984
5985                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5986                                         (feed_url, site_url, title, subscribers) VALUES ('$feed_url',
5987                                                 '$site_url', '$title', '$subscribers')");
5988
5989                                 ++$count;
5990
5991                         }
5992
5993                 }
5994
5995                 db_query($link, "COMMIT");
5996
5997                 return $count;
5998
5999         }
6000
6001         function ccache_zero($link, $feed_id, $owner_uid) {
6002                 db_query($link, "UPDATE ttrss_counters_cache SET
6003                         value = 0, updated = NOW() WHERE
6004                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6005         }
6006
6007         function ccache_zero_all($link, $owner_uid) {
6008                 db_query($link, "UPDATE ttrss_counters_cache SET
6009                         value = 0 WHERE owner_uid = '$owner_uid'");
6010
6011                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
6012                         value = 0 WHERE owner_uid = '$owner_uid'");
6013         }
6014
6015         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
6016
6017                 if (!$is_cat) {
6018                         $table = "ttrss_counters_cache";
6019                 } else {
6020                         $table = "ttrss_cat_counters_cache";
6021                 }
6022
6023                 db_query($link, "DELETE FROM $table WHERE
6024                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6025
6026         }
6027
6028         function ccache_update_all($link, $owner_uid) {
6029
6030                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
6031
6032                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
6033                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
6034
6035                         while ($line = db_fetch_assoc($result)) {
6036                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
6037                         }
6038
6039                         /* We have to manually include category 0 */
6040
6041                         ccache_update($link, 0, $owner_uid, true);
6042
6043                 } else {
6044                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
6045                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
6046
6047                         while ($line = db_fetch_assoc($result)) {
6048                                 print ccache_update($link, $line["feed_id"], $owner_uid);
6049
6050                         }
6051
6052                 }
6053         }
6054
6055         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
6056                 $no_update = false) {
6057
6058                 if (!is_numeric($feed_id)) return;
6059
6060                 if (!$is_cat) {
6061                         $table = "ttrss_counters_cache";
6062                         if ($feed_id > 0) {
6063                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
6064                                         WHERE id = '$feed_id'");
6065                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
6066                         }
6067                 } else {
6068                         $table = "ttrss_cat_counters_cache";
6069                 }
6070
6071                 if (DB_TYPE == "pgsql") {
6072                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
6073                 } else if (DB_TYPE == "mysql") {
6074                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
6075                 }
6076
6077                 $result = db_query($link, "SELECT value FROM $table
6078                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
6079                         LIMIT 1");
6080
6081                 if (db_num_rows($result) == 1) {
6082                         return db_fetch_result($result, 0, "value");
6083                 } else {
6084                         if ($no_update) {
6085                                 return -1;
6086                         } else {
6087                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
6088                         }
6089                 }
6090
6091         }
6092
6093         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
6094                 $update_pcat = true) {
6095
6096                 if (!is_numeric($feed_id)) return;
6097
6098                 if (!$is_cat && $feed_id > 0) {
6099                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
6100                                 WHERE id = '$feed_id'");
6101                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
6102                 }
6103
6104                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
6105
6106                 /* When updating a label, all we need to do is recalculate feed counters
6107                  * because labels are not cached */
6108
6109                 if ($feed_id < 0) {
6110                         ccache_update_all($link, $owner_uid);
6111                         return;
6112                 }
6113
6114                 if (!$is_cat) {
6115                         $table = "ttrss_counters_cache";
6116                 } else {
6117                         $table = "ttrss_cat_counters_cache";
6118                 }
6119
6120                 if ($is_cat && $feed_id >= 0) {
6121                         if ($feed_id != 0) {
6122                                 $cat_qpart = "cat_id = '$feed_id'";
6123                         } else {
6124                                 $cat_qpart = "cat_id IS NULL";
6125                         }
6126
6127                         /* Recalculate counters for child feeds */
6128
6129                         $result = db_query($link, "SELECT id FROM ttrss_feeds
6130                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
6131
6132                         while ($line = db_fetch_assoc($result)) {
6133                                 ccache_update($link, $line["id"], $owner_uid, false, false);
6134                         }
6135
6136                         $result = db_query($link, "SELECT SUM(value) AS sv
6137                                 FROM ttrss_counters_cache, ttrss_feeds
6138                                 WHERE id = feed_id AND $cat_qpart AND
6139                                 ttrss_feeds.owner_uid = '$owner_uid'");
6140
6141                         $unread = (int) db_fetch_result($result, 0, "sv");
6142
6143                 } else {
6144                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
6145                 }
6146
6147                 db_query($link, "BEGIN");
6148
6149                 $result = db_query($link, "SELECT feed_id FROM $table
6150                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
6151
6152                 if (db_num_rows($result) == 1) {
6153                         db_query($link, "UPDATE $table SET
6154                                 value = '$unread', updated = NOW() WHERE
6155                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6156
6157                 } else {
6158                         db_query($link, "INSERT INTO $table
6159                                 (feed_id, value, owner_uid, updated)
6160                                 VALUES
6161                                 ($feed_id, $unread, $owner_uid, NOW())");
6162                 }
6163
6164                 db_query($link, "COMMIT");
6165
6166                 if ($feed_id > 0 && $prev_unread != $unread) {
6167
6168                         if (!$is_cat) {
6169
6170                                 /* Update parent category */
6171
6172                                 if ($update_pcat) {
6173
6174                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
6175                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
6176
6177                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
6178
6179                                         ccache_update($link, $cat_id, $owner_uid, true);
6180
6181                                 }
6182                         }
6183                 } else if ($feed_id < 0) {
6184                         ccache_update_all($link, $owner_uid);
6185                 }
6186
6187                 return $unread;
6188         }
6189
6190         function ccache_cleanup($link, $owner_uid) {
6191
6192                 if (DB_TYPE == "pgsql") {
6193                         db_query($link, "DELETE FROM ttrss_counters_cache AS c1 WHERE
6194                                 (SELECT count(*) FROM ttrss_counters_cache AS c2
6195                                         WHERE c1.feed_id = c2.feed_id AND c2.owner_uid = c1.owner_uid) > 1
6196                                         AND owner_uid = '$owner_uid'");
6197
6198                         db_query($link, "DELETE FROM ttrss_cat_counters_cache AS c1 WHERE
6199                                 (SELECT count(*) FROM ttrss_cat_counters_cache AS c2
6200                                         WHERE c1.feed_id = c2.feed_id AND c2.owner_uid = c1.owner_uid) > 1
6201                                         AND owner_uid = '$owner_uid'");
6202                 } else {
6203                         db_query($link, "DELETE c1 FROM
6204                                         ttrss_counters_cache AS c1,
6205                                         ttrss_counters_cache AS c2
6206                                 WHERE
6207                                         c1.owner_uid = '$owner_uid' AND
6208                                         c1.owner_uid = c2.owner_uid AND
6209                                         c1.feed_id = c2.feed_id");
6210
6211                         db_query($link, "DELETE c1 FROM
6212                                         ttrss_cat_counters_cache AS c1,
6213                                         ttrss_cat_counters_cache AS c2
6214                                 WHERE
6215                                         c1.owner_uid = '$owner_uid' AND
6216                                         c1.owner_uid = c2.owner_uid AND
6217                                         c1.feed_id = c2.feed_id");
6218
6219                 }
6220         }
6221
6222         function label_find_id($link, $label, $owner_uid) {
6223                 $result = db_query($link,
6224                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
6225                                 AND owner_uid = '$owner_uid' LIMIT 1");
6226
6227                 if (db_num_rows($result) == 1) {
6228                         return db_fetch_result($result, 0, "id");
6229                 } else {
6230                         return 0;
6231                 }
6232         }
6233
6234         function get_article_labels($link, $id) {
6235                 global $memcache;
6236
6237                 $obj_id = md5("LABELS:$id:" . $_SESSION["uid"]);
6238
6239                 $rv = array();
6240
6241                 if ($memcache && $obj = $memcache->get($obj_id)) {
6242                         return $obj;
6243                 } else {
6244
6245                         $result = db_query($link, "SELECT label_cache FROM
6246                                 ttrss_user_entries WHERE ref_id = '$id' AND owner_uid = " .
6247                                 $_SESSION["uid"]);
6248
6249                         $label_cache = db_fetch_result($result, 0, "label_cache");
6250
6251                         if ($label_cache) {
6252
6253                                 $label_cache = json_decode($label_cache, true);
6254
6255                                 if ($label_cache["no-labels"] == 1)
6256                                         return $rv;
6257                                 else
6258                                         return $label_cache;
6259                         }
6260
6261                         $result = db_query($link,
6262                                 "SELECT DISTINCT label_id,caption,fg_color,bg_color
6263                                         FROM ttrss_labels2, ttrss_user_labels2
6264                                 WHERE id = label_id
6265                                         AND article_id = '$id'
6266                                         AND owner_uid = ".$_SESSION["uid"] . "
6267                                 ORDER BY caption");
6268
6269                         while ($line = db_fetch_assoc($result)) {
6270                                 $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
6271                                         $line["bg_color"]);
6272                                 array_push($rv, $rk);
6273                         }
6274                         if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6275
6276                         if (count($rv) > 0)
6277                                 label_update_cache($link, $id, $rv);
6278                         else
6279                                 label_update_cache($link, $id, array("no-labels" => 1));
6280                 }
6281
6282                 return $rv;
6283         }
6284
6285
6286         function label_find_caption($link, $label, $owner_uid) {
6287                 $result = db_query($link,
6288                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
6289                                 AND owner_uid = '$owner_uid' LIMIT 1");
6290
6291                 if (db_num_rows($result) == 1) {
6292                         return db_fetch_result($result, 0, "caption");
6293                 } else {
6294                         return "";
6295                 }
6296         }
6297
6298         function label_update_cache($link, $id, $labels = false, $force = false) {
6299
6300                 if ($force)
6301                         label_clear_cache($link, $id);
6302
6303                 if (!$labels)
6304                         $labels = get_article_labels($link, $id);
6305
6306                 $labels = db_escape_string(json_encode($labels));
6307
6308                 db_query($link, "UPDATE ttrss_user_entries SET
6309                         label_cache = '$labels' WHERE ref_id = '$id'");
6310
6311         }
6312
6313         function label_clear_cache($link, $id) {
6314
6315                 db_query($link, "UPDATE ttrss_user_entries SET
6316                         label_cache = '' WHERE ref_id = '$id'");
6317
6318         }
6319
6320         function label_remove_article($link, $id, $label, $owner_uid) {
6321
6322                 $label_id = label_find_id($link, $label, $owner_uid);
6323
6324                 if (!$label_id) return;
6325
6326                 $result = db_query($link,
6327                         "DELETE FROM ttrss_user_labels2
6328                         WHERE
6329                                 label_id = '$label_id' AND
6330                                 article_id = '$id'");
6331
6332                 label_clear_cache($link, $id);
6333         }
6334
6335         function label_add_article($link, $id, $label, $owner_uid) {
6336
6337                 global $memcache;
6338
6339                 if ($memcache) {
6340                         $obj_id = md5("LABELS:$id:$owner_uid");
6341                         $memcache->delete($obj_id);
6342                 }
6343
6344                 $label_id = label_find_id($link, $label, $owner_uid);
6345
6346                 if (!$label_id) return;
6347
6348                 $result = db_query($link,
6349                         "SELECT
6350                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6351                         WHERE
6352                                 label_id = id AND
6353                                 label_id = '$label_id' AND
6354                                 article_id = '$id' AND owner_uid = '$owner_uid'
6355                         LIMIT 1");
6356
6357                 if (db_num_rows($result) == 0) {
6358                         db_query($link, "INSERT INTO ttrss_user_labels2
6359                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6360                 }
6361
6362                 label_clear_cache($link, $id);
6363
6364         }
6365
6366         function label_remove($link, $id, $owner_uid) {
6367                 global $memcache;
6368
6369                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6370
6371                 if ($memcache) {
6372                         $obj_id = md5("LABELS:$id:$owner_uid");
6373                         $memcache->delete($obj_id);
6374                 }
6375
6376                 db_query($link, "BEGIN");
6377
6378                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6379                         WHERE id = '$id'");
6380
6381                 $caption = db_fetch_result($result, 0, "caption");
6382
6383                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6384                         AND owner_uid = " . $owner_uid);
6385
6386                 if (db_affected_rows($link, $result) != 0 && $caption) {
6387
6388                         /* Remove access key for the label */
6389
6390                         $ext_id = -11 - $id;
6391
6392                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6393                                 feed_id = '$ext_id' AND owner_uid = $owner_uid");
6394
6395                         /* Disable filters that reference label being removed */
6396
6397                         db_query($link, "UPDATE ttrss_filters SET
6398                                 enabled = false WHERE action_param = '$caption'
6399                                         AND action_id = 7
6400                                         AND owner_uid = " . $owner_uid);
6401
6402                         /* Remove cached data */
6403
6404                         db_query($link, "UPDATE ttrss_user_entries SET label_cache = ''
6405                                 WHERE label_cache LIKE '%$caption%' AND owner_uid = " . $owner_uid);
6406
6407                 }
6408
6409                 db_query($link, "COMMIT");
6410         }
6411
6412         function label_create($link, $caption) {
6413
6414                 db_query($link, "BEGIN");
6415
6416                 $result = false;
6417
6418                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6419                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6420
6421                 if (db_num_rows($result) == 0) {
6422                         $result = db_query($link,
6423                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
6424                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6425
6426                         $result = db_affected_rows($link, $result) != 0;
6427                 }
6428
6429                 db_query($link, "COMMIT");
6430
6431                 return $result;
6432         }
6433
6434         function print_labels_headlines_dropdown($link, $feed_id) {
6435                 print "<option value=\"addLabel()\">".__("Create label...")."</option>";
6436
6437                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6438                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6439
6440                 while ($line = db_fetch_assoc($result)) {
6441
6442                         $label_id = $line["id"];
6443                         $label_caption = $line["caption"];
6444                         $id = $line["id"];
6445
6446                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6447                                 print "<option id=\"LHDL-$id\"
6448                                         value=\"selectionRemoveLabel($label_id)\">".
6449                                         __('Remove:') . " $label_caption</option>";
6450                         } else {
6451                                 print "<option id=\"LHDL-$id\"
6452                                         value=\"selectionAssignLabel($label_id)\">".
6453                                         __('Assign:') . " $label_caption</option>";
6454                         }
6455                 }
6456         }
6457
6458         function format_tags_string($tags, $id) {
6459
6460                 $tags_str = "";
6461                 $tags_nolinks_str = "";
6462
6463                 $num_tags = 0;
6464
6465                 $tag_limit = 6;
6466
6467                 $formatted_tags = array();
6468
6469                 foreach ($tags as $tag) {
6470                         $num_tags++;
6471                         $tag_escaped = str_replace("'", "\\'", $tag);
6472
6473                         if (mb_strlen($tag) > 30) {
6474                                 $tag = truncate_string($tag, 30);
6475                         }
6476
6477                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6478
6479                         array_push($formatted_tags, $tag_str);
6480
6481                         $tmp_tags_str = implode(", ", $formatted_tags);
6482
6483                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6484                                 break;
6485                         }
6486                 }
6487
6488                 $tags_str = implode(", ", $formatted_tags);
6489
6490                 if ($num_tags < count($tags)) {
6491                         $tags_str .= ", &hellip;";
6492                 }
6493
6494                 if ($num_tags == 0) {
6495                         $tags_str = __("no tags");
6496                 }
6497
6498                 return $tags_str;
6499
6500         }
6501
6502         function format_article_labels($labels, $id) {
6503
6504                 $labels_str = "";
6505
6506                 foreach ($labels as $l) {
6507                         $labels_str .= sprintf("<span class='hlLabelRef'
6508                                 style='color : %s; background-color : %s'>%s</span>",
6509                                         $l[2], $l[3], $l[1]);
6510                         }
6511
6512                 return $labels_str;
6513
6514         }
6515
6516         function format_article_note($id, $note) {
6517
6518                 $str = "<div class='articleNote'        onclick=\"editArticleNote($id)\">
6519                         <div class='noteEdit' onclick=\"editArticleNote($id)\">".
6520                         __('(edit note)')."</div>$note</div>";
6521
6522                 return $str;
6523         }
6524
6525         function toggle_collapse_cat($link, $cat_id, $mode) {
6526                 if ($cat_id > 0) {
6527                         $mode = bool_to_sql_bool($mode);
6528
6529                         db_query($link, "UPDATE ttrss_feed_categories SET
6530                                 collapsed = $mode WHERE id = '$cat_id' AND owner_uid = " .
6531                                 $_SESSION["uid"]);
6532                 } else {
6533                         $pref_name = '';
6534
6535                         switch ($cat_id) {
6536                         case -1:
6537                                 $pref_name = '_COLLAPSED_SPECIAL';
6538                                 break;
6539                         case -2:
6540                                 $pref_name = '_COLLAPSED_LABELS';
6541                                 break;
6542                         case 0:
6543                                 $pref_name = '_COLLAPSED_UNCAT';
6544                                 break;
6545                         }
6546
6547                         if ($pref_name) {
6548                                 if ($mode) {
6549                                         set_pref($link, $pref_name, 'true');
6550                                 } else {
6551                                         set_pref($link, $pref_name, 'false');
6552                                 }
6553                         }
6554                 }
6555         }
6556
6557         function remove_feed($link, $id, $owner_uid) {
6558
6559                 if ($id > 0) {
6560
6561                         /* save starred articles in Archived feed */
6562
6563                         db_query($link, "BEGIN");
6564
6565                         /* prepare feed if necessary */
6566
6567                         $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6568                                 WHERE id = '$id'");
6569
6570                         if (db_num_rows($result) == 0) {
6571                                 db_query($link, "INSERT INTO ttrss_archived_feeds
6572                                         (id, owner_uid, title, feed_url, site_url)
6573                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6574                                 WHERE id = '$id'");
6575                         }
6576
6577                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
6578                                 orig_feed_id = '$id' WHERE feed_id = '$id' AND
6579                                         marked = true AND owner_uid = $owner_uid");
6580
6581                         /* Remove access key for the feed */
6582
6583                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6584                                 feed_id = '$id' AND owner_uid = $owner_uid");
6585
6586                         /* remove the feed */
6587
6588                         db_query($link, "DELETE FROM ttrss_feeds
6589                                         WHERE id = '$id' AND owner_uid = $owner_uid");
6590
6591                         db_query($link, "COMMIT");
6592
6593                         if (file_exists(ICONS_DIR . "/$id.ico")) {
6594                                 unlink(ICONS_DIR . "/$id.ico");
6595                         }
6596
6597                         ccache_remove($link, $id, $owner_uid);
6598
6599                 } else {
6600                         label_remove($link, -11-$id, $owner_uid);
6601                         ccache_remove($link, -11-$id, $owner_uid);
6602                 }
6603         }
6604
6605         function add_feed_category($link, $feed_cat) {
6606
6607                 if (!$feed_cat) return false;
6608
6609                 db_query($link, "BEGIN");
6610
6611                 $result = db_query($link,
6612                         "SELECT id FROM ttrss_feed_categories
6613                         WHERE title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
6614
6615                 if (db_num_rows($result) == 0) {
6616
6617                         $result = db_query($link,
6618                                 "INSERT INTO ttrss_feed_categories (owner_uid,title)
6619                                 VALUES ('".$_SESSION["uid"]."', '$feed_cat')");
6620
6621                         db_query($link, "COMMIT");
6622
6623                         return true;
6624                 }
6625
6626                 return false;
6627         }
6628
6629         function remove_feed_category($link, $id, $owner_uid) {
6630
6631                 db_query($link, "DELETE FROM ttrss_feed_categories
6632                         WHERE id = '$id' AND owner_uid = $owner_uid");
6633
6634                 ccache_remove($link, $id, $owner_uid, true);
6635         }
6636
6637         function archive_article($link, $id, $owner_uid) {
6638                 db_query($link, "BEGIN");
6639
6640                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6641                         WHERE ref_id = '$id' AND owner_uid = $owner_uid");
6642
6643                 if (db_num_rows($result) != 0) {
6644
6645                         /* prepare the archived table */
6646
6647                         $feed_id = (int) db_fetch_result($result, 0, "feed_id");
6648
6649                         if ($feed_id) {
6650                                 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6651                                         WHERE id = '$feed_id'");
6652
6653                                 if (db_num_rows($result) == 0) {
6654                                         db_query($link, "INSERT INTO ttrss_archived_feeds
6655                                                 (id, owner_uid, title, feed_url, site_url)
6656                                         SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6657                                         WHERE id = '$feed_id'");
6658                                 }
6659
6660                                 db_query($link, "UPDATE ttrss_user_entries
6661                                         SET orig_feed_id = feed_id, feed_id = NULL
6662                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6663                         }
6664                 }
6665
6666                 db_query($link, "COMMIT");
6667         }
6668
6669         function getArticleFeed($link, $id) {
6670                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6671                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6672
6673                 if (db_num_rows($result) != 0) {
6674                         return db_fetch_result($result, 0, "feed_id");
6675                 } else {
6676                         return 0;
6677                 }
6678         }
6679
6680         function make_url_from_parts($parts) {
6681                 $url = $parts['scheme'] . '://' . $parts['host'];
6682
6683                 if ($parts['path']) $url .= $parts['path'];
6684                 if ($parts['query']) $url .= '?' . $parts['query'];
6685
6686                 return $url;
6687         }
6688
6689         /**
6690          * Fixes incomplete URLs by prepending "http://".
6691          * Also replaces feed:// with http://, and
6692          * prepends a trailing slash if the url is a domain name only.
6693          *
6694          * @param string $url Possibly incomplete URL
6695          *
6696          * @return string Fixed URL.
6697          */
6698         function fix_url($url) {
6699                 if (strpos($url, '://') === false) {
6700                         $url = 'http://' . $url;
6701                 } else if (substr($url, 0, 5) == 'feed:') {
6702                         $url = 'http:' . substr($url, 5);
6703                 }
6704
6705                 //prepend slash if the URL has no slash in it
6706                 // "http://www.example" -> "http://www.example/"
6707                 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
6708                         $url .= '/';
6709                 }
6710
6711                 if ($url != "http:///")
6712                         return $url;
6713                 else
6714                         return '';
6715         }
6716
6717         function validate_feed_url($url) {
6718                 $parts = parse_url($url);
6719
6720                 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
6721
6722         }
6723
6724         function get_article_enclosures($link, $id) {
6725
6726                 global $memcache;
6727
6728                 $query = "SELECT * FROM ttrss_enclosures
6729                         WHERE post_id = '$id' AND content_url != ''";
6730
6731                 $obj_id = md5("ENCLOSURES:$id");
6732
6733                 $rv = array();
6734
6735                 if ($memcache && $obj = $memcache->get($obj_id)) {
6736                         $rv = $obj;
6737                 } else {
6738                         $result = db_query($link, $query);
6739
6740                         if (db_num_rows($result) > 0) {
6741                                 while ($line = db_fetch_assoc($result)) {
6742                                         array_push($rv, $line);
6743                                 }
6744                                 if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6745                         }
6746                 }
6747
6748                 return $rv;
6749         }
6750
6751         function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset) {
6752
6753                         $feeds = array();
6754
6755                         /* Labels */
6756
6757                         if ($cat_id == -4 || $cat_id == -2) {
6758                                 $counters = getLabelCounters($link, true);
6759
6760                                 foreach (array_values($counters) as $cv) {
6761
6762                                         $unread = $cv["counter"];
6763
6764                                         if ($unread || !$unread_only) {
6765
6766                                                 $row = array(
6767                                                                 "id" => $cv["id"],
6768                                                                 "title" => $cv["description"],
6769                                                                 "unread" => $cv["counter"],
6770                                                                 "cat_id" => -2,
6771                                                         );
6772
6773                                                 array_push($feeds, $row);
6774                                         }
6775                                 }
6776                         }
6777
6778                         /* Virtual feeds */
6779
6780                         if ($cat_id == -4 || $cat_id == -1) {
6781                                 foreach (array(-1, -2, -3, -4, 0) as $i) {
6782                                         $unread = getFeedUnread($link, $i);
6783
6784                                         if ($unread || !$unread_only) {
6785                                                 $title = getFeedTitle($link, $i);
6786
6787                                                 $row = array(
6788                                                                 "id" => $i,
6789                                                                 "title" => $title,
6790                                                                 "unread" => $unread,
6791                                                                 "cat_id" => -1,
6792                                                         );
6793                                                 array_push($feeds, $row);
6794                                         }
6795
6796                                 }
6797                         }
6798
6799                         /* Real feeds */
6800
6801                         if ($limit) {
6802                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
6803                         } else {
6804                                 $limit_qpart = "";
6805                         }
6806
6807                         if ($cat_id == -4 || $cat_id == -3) {
6808                                 $result = db_query($link, "SELECT
6809                                         id, feed_url, cat_id, title, ".
6810                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6811                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
6812                                                 " ORDER BY cat_id, title " . $limit_qpart);
6813                         } else {
6814
6815                                 if ($cat_id)
6816                                         $cat_qpart = "cat_id = '$cat_id'";
6817                                 else
6818                                         $cat_qpart = "cat_id IS NULL";
6819
6820                                 $result = db_query($link, "SELECT
6821                                         id, feed_url, cat_id, title, ".
6822                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6823                                                 FROM ttrss_feeds WHERE
6824                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
6825                                                 " ORDER BY cat_id, title " . $limit_qpart);
6826                         }
6827
6828                         while ($line = db_fetch_assoc($result)) {
6829
6830                                 $unread = getFeedUnread($link, $line["id"]);
6831
6832                                 $has_icon = feed_has_icon($line['id']);
6833
6834                                 if ($unread || !$unread_only) {
6835
6836                                         $row = array(
6837                                                         "feed_url" => $line["feed_url"],
6838                                                         "title" => $line["title"],
6839                                                         "id" => (int)$line["id"],
6840                                                         "unread" => (int)$unread,
6841                                                         "has_icon" => $has_icon,
6842                                                         "cat_id" => (int)$line["cat_id"],
6843                                                         "last_updated" => strtotime($line["last_updated"])
6844                                                 );
6845
6846                                         array_push($feeds, $row);
6847                                 }
6848                         }
6849
6850                 return $feeds;
6851         }
6852
6853         function api_get_headlines($link, $feed_id, $limit, $offset,
6854                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
6855                                 $include_attachments, $since_id) {
6856
6857                         /* do not rely on params below */
6858
6859                         $search = db_escape_string($_REQUEST["search"]);
6860                         $search_mode = db_escape_string($_REQUEST["search_mode"]);
6861                         $match_on = db_escape_string($_REQUEST["match_on"]);
6862
6863                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
6864                                 $view_mode, $is_cat, $search, $search_mode, $match_on,
6865                                 $order, $offset, 0, false, $since_id);
6866
6867                         $result = $qfh_ret[0];
6868                         $feed_title = $qfh_ret[1];
6869
6870                         $headlines = array();
6871
6872                         while ($line = db_fetch_assoc($result)) {
6873                                 $is_updated = ($line["last_read"] == "" &&
6874                                         ($line["unread"] != "t" && $line["unread"] != "1"));
6875
6876                                 $headline_row = array(
6877                                                 "id" => (int)$line["id"],
6878                                                 "unread" => sql_bool_to_bool($line["unread"]),
6879                                                 "marked" => sql_bool_to_bool($line["marked"]),
6880                                                 "published" => sql_bool_to_bool($line["published"]),
6881                                                 "updated" => strtotime($line["updated"]),
6882                                                 "is_updated" => $is_updated,
6883                                                 "title" => $line["title"],
6884                                                 "link" => $line["link"],
6885                                                 "feed_id" => $line["feed_id"],
6886                                                 "tags" => get_article_tags($link, $line["id"]),
6887                                         );
6888
6889                                         if ($include_attachments)
6890                                                 $headline_row['attachments'] = get_article_enclosures($link,
6891                                                         $line['id']);
6892
6893                                 if ($show_excerpt) {
6894                                         $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
6895                                         $headline_row["excerpt"] = $excerpt;
6896                                 }
6897
6898                                 if ($show_content) {
6899                                         $headline_row["content"] = $line["content_preview"];
6900                                 }
6901
6902                                 array_push($headlines, $headline_row);
6903                         }
6904
6905                         return $headlines;
6906         }
6907
6908         function generate_error_feed($link, $error) {
6909                 $reply = array();
6910
6911                 $reply['headlines']['id'] = -6;
6912                 $reply['headlines']['is_cat'] = false;
6913
6914                 $reply['headlines']['toolbar'] = '';
6915                 $reply['headlines']['content'] = "<div class='whiteBox'>". $error . "</div>";
6916
6917                 $reply['headlines-info'] = array("count" => 0,
6918                         "vgroup_last_feed" => '',
6919                         "unread" => 0,
6920                         "disable_cache" => true);
6921
6922                 return $reply;
6923         }
6924
6925
6926         function generate_dashboard_feed($link) {
6927                 $reply = array();
6928
6929                 $reply['headlines']['id'] = -5;
6930                 $reply['headlines']['is_cat'] = false;
6931
6932                 $reply['headlines']['toolbar'] = '';
6933                 $reply['headlines']['content'] = "<div class='whiteBox'>".__('No feed selected.');
6934
6935                 $reply['headlines']['content'] .= "<p class=\"small\"><span class=\"insensitive\">";
6936
6937                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
6938                         WHERE owner_uid = " . $_SESSION['uid']);
6939
6940                 $last_updated = db_fetch_result($result, 0, "last_updated");
6941                 $last_updated = make_local_datetime($link, $last_updated, false);
6942
6943                 $reply['headlines']['content'] .= sprintf(__("Feeds last updated at %s"), $last_updated);
6944
6945                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
6946                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
6947
6948                 $num_errors = db_fetch_result($result, 0, "num_errors");
6949
6950                 if ($num_errors > 0) {
6951                         $reply['headlines']['content'] .= "<br/>";
6952                         $reply['headlines']['content'] .= "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
6953                                 __('Some feeds have update errors (click for details)')."</a>";
6954                 }
6955                 $reply['headlines']['content'] .= "</span></p>";
6956
6957                 $reply['headlines-info'] = array("count" => 0,
6958                         "vgroup_last_feed" => '',
6959                         "unread" => 0,
6960                         "disable_cache" => true);
6961
6962                 return $reply;
6963         }
6964
6965         function save_email_address($link, $email) {
6966                 // FIXME: implement persistent storage of emails
6967
6968                 if (!$_SESSION['stored_emails'])
6969                         $_SESSION['stored_emails'] = array();
6970
6971                 if (!in_array($email, $_SESSION['stored_emails']))
6972                         array_push($_SESSION['stored_emails'], $email);
6973         }
6974
6975         function update_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6976                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6977
6978                 $sql_is_cat = bool_to_sql_bool($is_cat);
6979
6980                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
6981                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
6982                         AND owner_uid = " . $owner_uid);
6983
6984                 if (db_num_rows($result) == 1) {
6985                         $key = db_escape_string(sha1(uniqid(rand(), true)));
6986
6987                         db_query($link, "UPDATE ttrss_access_keys SET access_key = '$key'
6988                                 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
6989                                 AND owner_uid = " . $owner_uid);
6990
6991                         return $key;
6992
6993                 } else {
6994                         return get_feed_access_key($link, $feed_id, $is_cat, $owner_uid);
6995                 }
6996         }
6997
6998         function get_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6999
7000                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
7001
7002                 $sql_is_cat = bool_to_sql_bool($is_cat);
7003
7004                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
7005                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
7006                         AND owner_uid = " . $owner_uid);
7007
7008                 if (db_num_rows($result) == 1) {
7009                         return db_fetch_result($result, 0, "access_key");
7010                 } else {
7011                         $key = db_escape_string(sha1(uniqid(rand(), true)));
7012
7013                         $result = db_query($link, "INSERT INTO ttrss_access_keys
7014                                 (access_key, feed_id, is_cat, owner_uid)
7015                                 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
7016
7017                         return $key;
7018                 }
7019                 return false;
7020         }
7021
7022         /**
7023          * Extracts RSS/Atom feed URLs from the given HTML URL.
7024          *
7025          * @param string $url HTML page URL
7026          *
7027          * @return array Array of feeds. Key is the full URL, value the title
7028          */
7029         function get_feeds_from_html($url, $login = false, $pass = false)
7030         {
7031                 $url     = fix_url($url);
7032                 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
7033
7034                 libxml_use_internal_errors(true);
7035
7036                 $content = @fetch_file_contents($url, false, $login, $pass);
7037
7038                 $doc = new DOMDocument();
7039                 $doc->loadHTML($content);
7040                 $xpath = new DOMXPath($doc);
7041                 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
7042                 $feedUrls = array();
7043                 foreach ($entries as $entry) {
7044                         if ($entry->hasAttribute('href')) {
7045                                 $title = $entry->getAttribute('title');
7046                                 if ($title == '') {
7047                                         $title = $entry->getAttribute('type');
7048                                 }
7049                                 $feedUrl = rewrite_relative_url(
7050                                         $baseUrl, $entry->getAttribute('href')
7051                                 );
7052                                 $feedUrls[$feedUrl] = $title;
7053                         }
7054                 }
7055                 return $feedUrls;
7056         }
7057
7058         /**
7059          * Checks if the content behind the given URL is a HTML file
7060          *
7061          * @param string $url URL to check
7062          *
7063          * @return boolean True if the URL contains HTML content
7064          */
7065         function url_is_html($url, $login = false, $pass = false) {
7066                 $content = substr(fetch_file_contents($url, false, $login, $pass), 0, 1000);
7067
7068                 if (stripos($content, '<html>') === false
7069                         && stripos($content, '<html ') === false
7070                 ) {
7071                         return false;
7072                 }
7073
7074                 return true;
7075         }
7076
7077         function print_label_select($link, $name, $value, $attributes = "") {
7078
7079                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
7080                         WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
7081
7082                 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
7083                         "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
7084
7085                 while ($line = db_fetch_assoc($result)) {
7086
7087                         $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
7088
7089                         print "<option value=\"".htmlspecialchars($line["caption"])."\"
7090                                 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
7091
7092                 }
7093
7094 #               print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
7095
7096                 print "</select>";
7097
7098
7099         }
7100
7101         function format_article_enclosures($link, $id, $always_display_enclosures,
7102                                         $article_content) {
7103
7104                 $result = get_article_enclosures($link, $id);
7105                 $rv = '';
7106
7107                 if (count($result) > 0) {
7108
7109                         $entries_html = array();
7110                         $entries = array();
7111
7112                         foreach ($result as $line) {
7113
7114                                 $url = $line["content_url"];
7115                                 $ctype = $line["content_type"];
7116
7117                                 if (!$ctype) $ctype = __("unknown type");
7118
7119 #                               $filename = substr($url, strrpos($url, "/")+1);
7120
7121                                 $entry = format_inline_player($link, $url, $ctype);
7122
7123 #                               $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
7124 #                                       $filename . " (" . $ctype . ")" . "</a>";
7125
7126                                 array_push($entries_html, $entry);
7127
7128                                 $entry = array();
7129
7130                                 $entry["type"] = $ctype;
7131                                 $entry["filename"] = $filename;
7132                                 $entry["url"] = $url;
7133
7134                                 array_push($entries, $entry);
7135                         }
7136
7137                         $rv .= "<div class=\"postEnclosures\">";
7138
7139                         if (!get_pref($link, "STRIP_IMAGES")) {
7140                                 if ($always_display_enclosures ||
7141                                                         !preg_match("/<img/i", $article_content)) {
7142
7143                                         foreach ($entries as $entry) {
7144
7145                                                 if (preg_match("/image/", $entry["type"]) ||
7146                                                                 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
7147
7148                                                                 $rv .= "<p><img
7149                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
7150                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
7151                                                 }
7152                                         }
7153                                 }
7154                         }
7155
7156                         if (count($entries) == 1) {
7157                                 $rv .= __("Attachment:") . " ";
7158                         } else {
7159                                 $rv .= __("Attachments:") . " ";
7160                         }
7161
7162                         $rv .= join(", ", $entries_html);
7163
7164                         $rv .= "</div>";
7165                 }
7166
7167                 return $rv;
7168         }
7169
7170         function getLastArticleId($link) {
7171                 $result = db_query($link, "SELECT MAX(ref_id) AS id FROM ttrss_user_entries
7172                         WHERE owner_uid = " . $_SESSION["uid"]);
7173
7174                 if (db_num_rows($result) == 1) {
7175                         return db_fetch_result($result, 0, "id");
7176                 } else {
7177                         return -1;
7178                 }
7179         }
7180
7181         function build_url($parts) {
7182                 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
7183         }
7184
7185         /**
7186          * Converts a (possibly) relative URL to a absolute one.
7187          *
7188          * @param string $url     Base URL (i.e. from where the document is)
7189          * @param string $rel_url Possibly relative URL in the document
7190          *
7191          * @return string Absolute URL
7192          */
7193         function rewrite_relative_url($url, $rel_url) {
7194                 if (strpos($rel_url, "://") !== false) {
7195                         return $rel_url;
7196                 } else if (strpos($rel_url, "/") === 0)
7197                 {
7198                         $parts = parse_url($url);
7199                         $parts['path'] = $rel_url;
7200
7201                         return build_url($parts);
7202
7203                 } else {
7204                         $parts = parse_url($url);
7205                         if (!isset($parts['path'])) {
7206                                 $parts['path'] = '/';
7207                         }
7208                         $dir = $parts['path'];
7209                         if (substr($dir, -1) !== '/') {
7210                                 $dir = dirname($parts['path']);
7211                                 $dir !== '/' && $dir .= '/';
7212                         }
7213                         $parts['path'] = $dir . $rel_url;
7214
7215                         return build_url($parts);
7216                 }
7217         }
7218
7219         function sphinx_search($query, $offset = 0, $limit = 30) {
7220                 $sphinxClient = new SphinxClient();
7221
7222                 $sphinxClient->SetServer('localhost', 9312);
7223                 $sphinxClient->SetConnectTimeout(1);
7224
7225                 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
7226                         'feed_title' => 20));
7227
7228                 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
7229                 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
7230                 $sphinxClient->SetLimits($offset, $limit, 1000);
7231                 $sphinxClient->SetArrayResult(false);
7232                 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
7233
7234                 $result = $sphinxClient->Query($query, SPHINX_INDEX);
7235
7236                 $ids = array();
7237
7238                 if (is_array($result['matches'])) {
7239                         foreach (array_keys($result['matches']) as $int_id) {
7240                                 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
7241                                 array_push($ids, $ref_id);
7242                         }
7243                 }
7244
7245                 return $ids;
7246         }
7247
7248         function cleanup_tags($link, $days = 14, $limit = 1000) {
7249
7250                 if (DB_TYPE == "pgsql") {
7251                         $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
7252                 } else if (DB_TYPE == "mysql") {
7253                         $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
7254                 }
7255
7256                 $tags_deleted = 0;
7257
7258                 while ($limit > 0) {
7259                         $limit_part = 500;
7260
7261                         $query = "SELECT ttrss_tags.id AS id
7262                                 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
7263                                 WHERE post_int_id = int_id AND $interval_query AND
7264                                 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
7265
7266                         $result = db_query($link, $query);
7267
7268                         $ids = array();
7269
7270                         while ($line = db_fetch_assoc($result)) {
7271                                 array_push($ids, $line['id']);
7272                         }
7273
7274                         if (count($ids) > 0) {
7275                                 $ids = join(",", $ids);
7276                                 print ".";
7277
7278                                 $tmp_result = db_query($link, "DELETE FROM ttrss_tags WHERE id IN ($ids)");
7279                                 $tags_deleted += db_affected_rows($link, $tmp_result);
7280                         } else {
7281                                 break;
7282                         }
7283
7284                         $limit -= $limit_part;
7285                 }
7286
7287                 print "\n";
7288
7289                 return $tags_deleted;
7290         }
7291
7292         function feedlist_init_cat($link, $cat_id, $hidden = false) {
7293                 $obj = array();
7294                 $cat_id = (int) $cat_id;
7295
7296                 if ($cat_id > 0) {
7297                         $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
7298                 } else if ($cat_id == 0 || $cat_id == -2) {
7299                         $cat_unread = getCategoryUnread($link, $cat_id);
7300                 }
7301
7302                 $obj['id'] = 'CAT:' . $cat_id;
7303                 $obj['items'] = array();
7304                 $obj['name'] = getCategoryTitle($link, $cat_id);
7305                 $obj['type'] = 'feed';
7306                 $obj['unread'] = (int) $cat_unread;
7307                 $obj['hidden'] = $hidden;
7308                 $obj['bare_id'] = $cat_id;
7309
7310                 return $obj;
7311         }
7312
7313         function feedlist_init_feed($link, $feed_id, $title = false, $unread = false, $error = '', $updated = '') {
7314                 $obj = array();
7315                 $feed_id = (int) $feed_id;
7316
7317                 if (!$title)
7318                         $title = getFeedTitle($link, $feed_id, false);
7319
7320                 if ($unread === false)
7321                         $unread = getFeedUnread($link, $feed_id, false);
7322
7323                 $obj['id'] = 'FEED:' . $feed_id;
7324                 $obj['name'] = $title;
7325                 $obj['unread'] = (int) $unread;
7326                 $obj['type'] = 'feed';
7327                 $obj['error'] = $error;
7328                 $obj['updated'] = $updated;
7329                 $obj['icon'] = getFeedIcon($feed_id);
7330                 $obj['bare_id'] = $feed_id;
7331
7332                 return $obj;
7333         }
7334
7335
7336         function fetch_twitter_rss($link, $url, $owner_uid) {
7337                 $result = db_query($link, "SELECT twitter_oauth FROM ttrss_users
7338                         WHERE id = $owner_uid");
7339
7340                 $access_token = json_decode(db_fetch_result($result, 0, 'twitter_oauth'), true);
7341                 $url_escaped = db_escape_string($url);
7342
7343                 if ($access_token) {
7344
7345                         $tmhOAuth = new tmhOAuth(array(
7346                                 'consumer_key'    => CONSUMER_KEY,
7347                                 'consumer_secret' => CONSUMER_SECRET,
7348                                 'user_token' => $access_token['oauth_token'],
7349                                 'user_secret' => $access_token['oauth_token_secret'],
7350                         ));
7351
7352                         $code = $tmhOAuth->request('GET', $url);
7353
7354                         if ($code == 200) {
7355
7356                                 $content = $tmhOAuth->response['response'];
7357
7358                                 define('MAGPIE_CACHE_ON', false);
7359
7360                                 $rss = new MagpieRSS($content, MAGPIE_OUTPUT_ENCODING,
7361                                         MAGPIE_INPUT_ENCODING, MAGPIE_DETECT_ENCODING );
7362
7363                                 return $rss;
7364
7365                         } else {
7366
7367                                 db_query($link, "UPDATE ttrss_feeds
7368                                         SET last_error = 'OAuth authorization failed ($code).'
7369                                         WHERE feed_url = '$url_escaped' AND owner_uid = $owner_uid");
7370                         }
7371
7372                 } else {
7373
7374                         db_query($link, "UPDATE ttrss_feeds
7375                                 SET last_error = 'OAuth information not found.'
7376                                 WHERE feed_url = '$url_escaped' AND owner_uid = $owner_uid");
7377
7378                         return false;
7379                 }
7380         }
7381
7382         function print_user_stylesheet($link) {
7383                 $value = get_pref($link, 'USER_STYLESHEET');
7384
7385                 if ($value) {
7386                         print "<style type=\"text/css\">";
7387                         print str_replace("<br/>", "\n", $value);
7388                         print "</style>";
7389                 }
7390
7391         }
7392
7393         function rewrite_urls($line) {
7394                 global $url_regex;
7395
7396                 $urls = null;
7397
7398                 $result = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
7399                         "<a target=\"_blank\" href=\"\\1\">\\1</a>", $line);
7400
7401                 return $result;
7402         }
7403
7404         function filter_to_sql($filter) {
7405                 $query = "";
7406
7407                 if (DB_TYPE == "pgsql")
7408                         $reg_qpart = "~";
7409                 else
7410                         $reg_qpart = "REGEXP";
7411
7412                 switch ($filter["type"]) {
7413                         case "title":
7414                                 $query = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
7415                                         $filter['reg_exp'] . "')";
7416                                 break;
7417                         case "content":
7418                                 $query = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
7419                                         $filter['reg_exp'] . "')";
7420                                 break;
7421                         case "both":
7422                                 $query = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
7423                                         $filter['reg_exp'] . "') OR LOWER(" .
7424                                         "ttrss_entries.content) $reg_qpart LOWER('" . $filter['reg_exp'] . "')";
7425                                 break;
7426                         case "tag":
7427                                 $query = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
7428                                         $filter['reg_exp'] . "')";
7429                                 break;
7430                         case "link":
7431                                 $query = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
7432                                         $filter['reg_exp'] . "')";
7433                                 break;
7434                         case "date":
7435
7436                                 if ($filter["filter_param"] == "before")
7437                                         $cmp_qpart = "<";
7438                                 else
7439                                         $cmp_qpart = ">=";
7440
7441                                 $timestamp = date("Y-m-d H:N:s", strtotime($filter["reg_exp"]));
7442                                 $query = "ttrss_entries.date_entered $cmp_qpart '$timestamp'";
7443                                 break;
7444                         case "author":
7445                                 $query = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
7446                                         $filter['reg_exp'] . "')";
7447                                 break;
7448                 }
7449
7450                 if ($filter["inverse"])
7451                         $query = "NOT ($query)";
7452
7453                 if ($query) {
7454                         if (DB_TYPE == "pgsql") {
7455                                 $query = " ($query) AND ttrss_entries.date_entered > NOW() - INTERVAL '14 days'";
7456                         } else {
7457                                 $query = " ($query) AND ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL 14 DAY)";
7458                         }
7459                         $query .= " AND ";
7460                 }
7461
7462
7463                 return $query;
7464         }
7465
7466         // Status codes:
7467         // -1  - never connected
7468         // 0   - no data received
7469         // 1   - data received successfully
7470         // 2   - did not receive valid data
7471         // >10 - server error, code + 10 (e.g. 16 means server error 6)
7472
7473         function get_linked_feeds($link, $instance_id = false) {
7474                 if ($instance_id)
7475                         $instance_qpart = "id = '$instance_id' AND ";
7476                 else
7477                         $instance_qpart = "";
7478
7479                 if (DB_TYPE == "pgsql") {
7480                         $date_qpart = "last_connected < NOW() - INTERVAL '6 hours'";
7481                 } else {
7482                         $date_qpart = "last_connected < DATE_SUB(NOW(), INTERVAL 6 HOUR)";
7483                 }
7484
7485                 $result = db_query($link, "SELECT id, access_key, access_url FROM ttrss_linked_instances
7486                         WHERE $instance_qpart $date_qpart ORDER BY last_connected");
7487
7488                 while ($line = db_fetch_assoc($result)) {
7489                         $id = $line['id'];
7490
7491                         _debug("Updating: " . $line['access_url'] . " ($id)");
7492
7493                         $fetch_url = $line['access_url'] . '/backend.php?op=fbexport';
7494                         $post_query = 'key=' . $line['access_key'];
7495
7496                         $feeds = fetch_file_contents($fetch_url, false, false, false, $post_query);
7497
7498                         if ($feeds) {
7499                                 $feeds = json_decode($feeds, true);
7500
7501                                 if ($feeds) {
7502                                         if ($feeds['error']) {
7503                                                 $status = $feeds['error']['code'] + 10;
7504                                         } else {
7505                                                 $status = 1;
7506
7507                                                 if (count($feeds['feeds']) > 0) {
7508
7509                                                         db_query($link, "DELETE FROM ttrss_linked_feeds
7510                                                                 WHERE instance_id = '$id'");
7511
7512                                                         foreach ($feeds['feeds'] as $feed) {
7513                                                                 $feed_url = db_escape_string($feed['feed_url']);
7514                                                                 $title = db_escape_string($feed['title']);
7515                                                                 $subscribers = db_escape_string($feed['subscribers']);
7516                                                                 $site_url = db_escape_string($feed['site_url']);
7517
7518                                                                 db_query($link, "INSERT INTO ttrss_linked_feeds
7519                                                                         (feed_url, site_url, title, subscribers, instance_id, created, updated)
7520                                                                 VALUES
7521                                                                         ('$feed_url', '$site_url', '$title', '$subscribers', '$id', NOW(), NOW())");
7522                                                         }
7523                                                 } else {
7524                                                         // received 0 feeds, this might indicate that
7525                                                         // the instance on the other hand is rebuilding feedbrowser cache
7526                                                         // we will try again later
7527
7528                                                         // TODO: maybe perform expiration based on updated here?
7529                                                 }
7530
7531                                                 _debug("Processed " . count($feeds['feeds']) . " feeds.");
7532                                         }
7533                                 } else {
7534                                         $status = 2;
7535                                 }
7536
7537                         } else {
7538                                 $status = 0;
7539                         }
7540
7541                         _debug("Status: $status");
7542
7543                         db_query($link, "UPDATE ttrss_linked_instances SET
7544                                 last_status_out = '$status', last_connected = NOW() WHERE id = '$id'");
7545
7546                 }
7547
7548         }
7549 ?>