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