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