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         if (ENABLE_TRANSLATIONS == true) { // If translations are enabled.
  46                 require_once "lib/accept-to-gettext.php";
  47                 require_once "lib/gettext/gettext.inc";
  48
  49                 function startup_gettext() {
  50
  51                         # Get locale from Accept-Language header
  52                         $lang = al2gt(array_keys(get_translations()), "text/html");
  53
  54                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  55                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  56                         }
  57
  58                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  59                                 $lang = $_COOKIE["ttrss_lang"];
  60                         }
  61
  62                         /* In login action of mobile version */
  63                         if ($_POST["language"] && defined('MOBILE_VERSION')) {
  64                                 $lang = $_POST["language"];
  65                                 $_COOKIE["ttrss_lang"] = $lang;
  66                         }
  67
  68                         if ($lang) {
  69                                 if (defined('LC_MESSAGES')) {
  70                                         _setlocale(LC_MESSAGES, $lang);
  71                                 } else if (defined('LC_ALL')) {
  72                                         _setlocale(LC_ALL, $lang);
  73                                 } else {
  74                                         die("can't setlocale(): please set ENABLE_TRANSLATIONS to false in config.php");
  75                                 }
  76
  77                                 if (defined('MOBILE_VERSION')) {
  78                                         _bindtextdomain("messages", "../locale");
  79                                 } else {
  80                                         _bindtextdomain("messages", "locale");
  81                                 }
  82
  83                                 _textdomain("messages");
  84                                 _bind_textdomain_codeset("messages", "UTF-8");
  85                         }
  86                 }
  87
  88                 startup_gettext();
  89
  90         } else { // If translations are enabled.
  91                 function __($msg) {
  92                         return $msg;
  93                 }
  94                 function startup_gettext() {
  95                         // no-op
  96                         return true;
  97                 }
  98         } // If translations are enabled.
  99
 100         if (defined('MEMCACHE_SERVER')) {
 101                 $memcache = new Memcache;
 102                 $memcache->connect(MEMCACHE_SERVER, 11211);
 103         }
 104
 105         require_once 'db-prefs.php';
 106         require_once 'compat.php';
 107         require_once 'errors.php';
 108         require_once 'version.php';
 109
 110         require_once 'lib/phpmailer/class.phpmailer.php';
 111         require_once 'lib/sphinxapi.php';
 112
 113         //define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
 114         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
 115         define('MAGPIE_CACHE_AGE', 60*15); // 15 minutes
 116
 117         define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
 118         define('MAGPIE_USER_AGENT', SELF_USER_AGENT);
 119
 120         ini_set('user_agent', SELF_USER_AGENT);
 121
 122         require_once "lib/simplepie/simplepie.inc";
 123         require_once "lib/magpierss/rss_fetch.inc";
 124         require_once 'lib/magpierss/rss_utils.inc';
 125         require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
 126
 127         $config = HTMLPurifier_Config::createDefault();
 128
 129         $allowed = "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4";
 130
 131         $config->set('HTML', 'Allowed', $allowed);
 132         $purifier = new HTMLPurifier($config);
 133
 134         /**
 135          * Print a timestamped debug message.
 136          *
 137          * @param string $msg The debug message.
 138          * @return void
 139          */
 140         function _debug($msg) {
 141                 $ts = strftime("%H:%M:%S", time());
 142                 if (function_exists('posix_getpid')) {
 143                         $ts = "$ts/" . posix_getpid();
 144                 }
 145                 print "[$ts] $msg\n";
 146         } // function _debug
 147
 148         /**
 149          * Purge a feed old posts.
 150          *
 151          * @param mixed $link A database connection.
 152          * @param mixed $feed_id The id of the purged feed.
 153          * @param mixed $purge_interval Olderness of purged posts.
 154          * @param boolean $debug Set to True to enable the debug. False by default.
 155          * @access public
 156          * @return void
 157          */
 158         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 159
 160                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 161
 162                 $rows = -1;
 163
 164                 $result = db_query($link,
 165                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 166
 167                 $owner_uid = false;
 168
 169                 if (db_num_rows($result) == 1) {
 170                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 171                 }
 172
 173                 if ($purge_interval == -1 || !$purge_interval) {
 174                         if ($owner_uid) {
 175                                 ccache_update($link, $feed_id, $owner_uid);
 176                         }
 177                         return;
 178                 }
 179
 180                 if (!$owner_uid) return;
 181
 182                 if (FORCE_ARTICLE_PURGE == 0) {
 183                         $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 184                                 $owner_uid, false);
 185                 } else {
 186                         $purge_unread = true;
 187                         $purge_interval = FORCE_ARTICLE_PURGE;
 188                 }
 189
 190                 if (!$purge_unread) $query_limit = " unread = false AND ";
 191
 192                 if (DB_TYPE == "pgsql") {
 193 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 194                                 marked = false AND feed_id = '$feed_id' AND
 195                                 (SELECT date_updated FROM ttrss_entries WHERE
 196                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
 197
 198                         $pg_version = get_pgsql_version($link);
 199
 200                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 201
 202                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 203                                         ttrss_entries.id = ref_id AND
 204                                         marked = false AND
 205                                         feed_id = '$feed_id' AND
 206                                         $query_limit
 207                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 208
 209                         } else {
 210
 211                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 212                                         USING ttrss_entries
 213                                         WHERE ttrss_entries.id = ref_id AND
 214                                         marked = false AND
 215                                         feed_id = '$feed_id' AND
 216                                         $query_limit
 217                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 218                         }
 219
 220                         $rows = pg_affected_rows($result);
 221
 222                 } else {
 223
 224 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 225                                 marked = false AND feed_id = '$feed_id' AND
 226                                 (SELECT date_updated FROM ttrss_entries WHERE
 227                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 228
 229                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 230                                 USING ttrss_user_entries, ttrss_entries
 231                                 WHERE ttrss_entries.id = ref_id AND
 232                                 marked = false AND
 233                                 feed_id = '$feed_id' AND
 234                                 $query_limit
 235                                 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 236
 237                         $rows = mysql_affected_rows($link);
 238
 239                 }
 240
 241                 ccache_update($link, $feed_id, $owner_uid);
 242
 243                 if ($debug) {
 244                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 245                 }
 246         } // function purge_feed
 247
 248         /**
 249          * Purge old posts from old feeds. Not used anymore, purging is done after feed update.
 250          *
 251          * @param mixed $link A database connection
 252          * @param boolean $do_output Set to true to enable printed output, false by default.
 253          * @param integer $limit The maximal number of removed posts.
 254          * @access public
 255          * @return void
 256          */
 257         /* function global_purge_old_posts($link, $do_output = false, $limit = false) {
 258
 259                 $random_qpart = sql_random_function();
 260
 261                 if ($limit) {
 262                         $limit_qpart = "LIMIT $limit";
 263                 } else {
 264                         $limit_qpart = "";
 265                 }
 266
 267                 $result = db_query($link,
 268                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 269                                 ORDER BY $random_qpart $limit_qpart");
 270
 271                 while ($line = db_fetch_assoc($result)) {
 272
 273                         $feed_id = $line["id"];
 274                         $purge_interval = $line["purge_interval"];
 275                         $owner_uid = $line["owner_uid"];
 276
 277                         if ($purge_interval == 0) {
 278
 279                                 $tmp_result = db_query($link,
 280                                         "SELECT value FROM ttrss_user_prefs WHERE
 281                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 282
 283                                 if (db_num_rows($tmp_result) != 0) {
 284                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 285                                 }
 286                         }
 287
 288                         if ($do_output) {
 289 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 290                         }
 291
 292                         if ($purge_interval > 0 || FORCE_ARTICLE_PURGE) {
 293                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 294                         }
 295                 }
 296
 297                 purge_orphans($link, $do_output);
 298
 299         } // function global_purge_old_posts */
 300
 301         function feed_purge_interval($link, $feed_id) {
 302
 303                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 304                         WHERE id = '$feed_id'");
 305
 306                 if (db_num_rows($result) == 1) {
 307                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 308                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 309
 310                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 311                                 'PURGE_OLD_DAYS', $owner_uid);
 312
 313                         return $purge_interval;
 314
 315                 } else {
 316                         return -1;
 317                 }
 318         }
 319
 320         function purge_old_posts($link) {
 321
 322                 $user_id = $_SESSION["uid"];
 323
 324                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 325                         WHERE owner_uid = '$user_id'");
 326
 327                 while ($line = db_fetch_assoc($result)) {
 328
 329                         $feed_id = $line["id"];
 330                         $purge_interval = $line["purge_interval"];
 331
 332                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 333
 334                         if ($purge_interval > 0) {
 335                                 purge_feed($link, $feed_id, $purge_interval);
 336                         }
 337                 }
 338
 339                 purge_orphans($link);
 340         }
 341
 342         function purge_orphans($link, $do_output = false) {
 343
 344                 // purge orphaned posts in main content table
 345                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 346                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 347
 348                 if ($do_output) {
 349                         $rows = db_affected_rows($link, $result);
 350                         _debug("Purged $rows orphaned posts.");
 351                 }
 352         }
 353
 354         function get_feed_update_interval($link, $feed_id) {
 355                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 356                         ttrss_feeds WHERE id = '$feed_id'");
 357
 358                 if (db_num_rows($result) == 1) {
 359                         $update_interval = db_fetch_result($result, 0, "update_interval");
 360                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 361
 362                         if ($update_interval != 0) {
 363                                 return $update_interval;
 364                         } else {
 365                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 366                         }
 367
 368                 } else {
 369                         return -1;
 370                 }
 371         }
 372
 373         function fetch_file_contents($url, $type = false) {
 374                 if (USE_CURL_FOR_ICONS) {
 375                         $ch = curl_init($url);
 376
 377                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 378                         curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 379                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
 380                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
 381                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 382                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 383
 384                         $contents = @curl_exec($ch);
 385                         if ($contents === false) {
 386                                 curl_close($ch);
 387                                 return false;
 388                         }
 389
 390                         $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 391                         curl_close($ch);
 392
 393                         if ($type && strpos($content_type, "$type") === false) {
 394                                 return false;
 395                         }
 396
 397                         return $contents;
 398                 } else {
 399                         return @file_get_contents($url);
 400                 }
 401
 402         }
 403
 404         /**
 405          * Try to determine the favicon URL for a feed.
 406          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 407          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 408          *
 409          * @param string $url A feed or page URL
 410          * @access public
 411          * @return mixed The favicon URL, or false if none was found.
 412          */
 413         function get_favicon_url($url) {
 414
 415                 $favicon_url = false;
 416
 417                 if ($html = @fetch_file_contents($url)) {
 418
 419                         libxml_use_internal_errors(true);
 420
 421                         $doc = new DOMDocument();
 422                         $doc->loadHTML($html);
 423                         $xpath = new DOMXPath($doc);
 424                         $entries = $xpath->query('/html/head/link[@rel="shortcut icon"]');
 425
 426                         if (count($entries) > 0) {
 427                                 foreach ($entries as $entry) {
 428                                         $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
 429                                         break;
 430                                 }
 431                         }
 432                 }
 433
 434                 if (!$favicon_url)
 435                         $favicon_url = rewrite_relative_url($url, "/favicon.ico");
 436
 437                 // Run a test to see if what we have attempted to get actually exists.
 438                 if(USE_CURL_FOR_ICONS || url_validate($favicon_url)) {
 439                         return $favicon_url;
 440                 } else {
 441                         return false;
 442                 }
 443         } // function get_favicon_url
 444
 445         /**
 446          * Check if a link is a valid and working URL.
 447          *
 448          * @param mixed $link A URL to check
 449          * @access public
 450          * @return boolean True if the URL is valid, false otherwise.
 451          */
 452         function url_validate($link) {
 453
 454                 $url_parts = @parse_url($link);
 455
 456                 if ( empty( $url_parts["host"] ) )
 457                                 return false;
 458
 459                 if ( !empty( $url_parts["path"] ) ) {
 460                                 $documentpath = $url_parts["path"];
 461                 } else {
 462                                 $documentpath = "/";
 463                 }
 464
 465                 if ( !empty( $url_parts["query"] ) )
 466                                 $documentpath .= "?" . $url_parts["query"];
 467
 468                 $host = $url_parts["host"];
 469                 $port = $url_parts["port"];
 470
 471                 if ( empty($port) )
 472                                 $port = "80";
 473
 474                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 475
 476                 if ( !$socket )
 477                                 return false;
 478
 479                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 480
 481                 $http_response = fgets( $socket, 22 );
 482
 483                 $responses = "/(200 OK)|(30[123])/";
 484                 if ( preg_match($responses, $http_response) ) {
 485                                 fclose($socket);
 486                                 return true;
 487                 } else {
 488                                 return false;
 489                 }
 490
 491         } // function url_validate
 492
 493         function check_feed_favicon($site_url, $feed, $link) {
 494                 $favicon_url = get_favicon_url($site_url);
 495
 496 #               print "FAVICON [$site_url]: $favicon_url\n";
 497
 498                 $icon_file = ICONS_DIR . "/$feed.ico";
 499
 500                 if ($favicon_url && !file_exists($icon_file)) {
 501                         $contents = fetch_file_contents($favicon_url, "image");
 502
 503                         if ($contents) {
 504                                 $fp = fopen($icon_file, "w");
 505
 506                                 if ($fp) {
 507                                         fwrite($fp, $contents);
 508                                         fclose($fp);
 509                                         chmod($icon_file, 0644);
 510                                 }
 511                         }
 512                 }
 513         }
 514
 515         function update_rss_feed($link, $feed, $ignore_daemon = false) {
 516
 517                 global $memcache;
 518
 519                 /* Update all feeds with the same URL to utilize memcache */
 520
 521                 if ($memcache) {
 522                         $result = db_query($link, "SELECT f1.id
 523                                 FROM ttrss_feeds AS f1, ttrss_feeds AS f2
 524                                 WHERE   f2.feed_url = f1.feed_url AND f2.id = '$feed'");
 525
 526                         while ($line = db_fetch_assoc($result)) {
 527                                 update_rss_feed_real($link, $line["id"], $ignore_daemon);
 528                         }
 529                 } else {
 530                         update_rss_feed_real($link, $feed, $ignore_daemon);
 531                 }
 532         }
 533
 534         function update_rss_feed_real($link, $feed, $ignore_daemon = false) {
 535
 536                 global $memcache;
 537
 538                 if (!$_REQUEST["daemon"] && !$ignore_daemon) {
 539                         return false;
 540                 }
 541
 542                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 543                         _debug("update_rss_feed: start");
 544                 }
 545
 546                 if (!$ignore_daemon) {
 547
 548                         if (DB_TYPE == "pgsql") {
 549                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 550                                 } else {
 551                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 552                                 }
 553
 554                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 555                                 auth_pass,cache_images,update_method
 556                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 557
 558                 } else {
 559
 560                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 561                                 feed_url,auth_pass,cache_images,update_method,last_updated
 562                                 FROM ttrss_feeds WHERE id = '$feed'");
 563
 564                 }
 565
 566                 if (db_num_rows($result) == 0) {
 567                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 568                                 _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED");
 569                         }
 570                         return false;
 571                 }
 572
 573                 $update_method = db_fetch_result($result, 0, "update_method");
 574                 $last_updated = db_fetch_result($result, 0, "last_updated");
 575
 576                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 577                         WHERE id = '$feed'");
 578
 579                 $auth_login = db_fetch_result($result, 0, "auth_login");
 580                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 581
 582                 if (DEFAULT_UPDATE_METHOD == "1") {
 583                         $use_simplepie = $update_method != 1;
 584                 } else {
 585                         $use_simplepie = $update_method == 2;
 586                 }
 587
 588                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 589                         _debug("use simplepie: $use_simplepie (feed setting: $update_method)\n");
 590                 }
 591
 592                 if (!$use_simplepie) {
 593                         $auth_login = urlencode($auth_login);
 594                         $auth_pass = urlencode($auth_pass);
 595                 }
 596
 597                 $update_interval = db_fetch_result($result, 0, "update_interval");
 598                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 599                 $fetch_url = db_fetch_result($result, 0, "feed_url");
 600
 601                 if ($update_interval < 0) { return; }
 602
 603                 $feed = db_escape_string($feed);
 604
 605                 if ($auth_login && $auth_pass) {
 606                         $url_parts = array();
 607                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 608
 609                         if ($url_parts[1] && $url_parts[2]) {
 610                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 611                         }
 612
 613                 }
 614
 615                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 616                         _debug("update_rss_feed: fetching [$fetch_url]...");
 617                 }
 618
 619                 $obj_id = md5("FDATA:$use_simplepie:$fetch_url");
 620
 621                 if ($memcache && $obj = $memcache->get($obj_id)) {
 622
 623                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 624                                 _debug("update_rss_feed: data found in memcache.");
 625                         }
 626
 627                         $rss = $obj;
 628
 629                 } else {
 630
 631                         if (!$use_simplepie) {
 632                                 $rss = @fetch_rss($fetch_url);
 633                         } else {
 634                                 if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 635                                         mkdir(SIMPLEPIE_CACHE_DIR);
 636                                 }
 637
 638                                 $rss = new SimplePie();
 639                                 $rss->set_useragent(SELF_USER_AGENT);
 640         #                       $rss->set_timeout(10);
 641                                 $rss->set_feed_url($fetch_url);
 642                                 $rss->set_output_encoding('UTF-8');
 643
 644                                 if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 645                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 646                                                 _debug("enabling image cache");
 647                                         }
 648
 649                                         $rss->set_image_handler('./image.php', 'i');
 650                                 }
 651
 652                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 653                                         _debug("feed update interval (sec): " .
 654                                                 get_feed_update_interval($link, $feed)*60);
 655                                 }
 656
 657                                 if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 658                                         $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 659                                         $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 660                                 }
 661
 662                                 $rss->init();
 663                         }
 664
 665                         if ($memcache && $rss) $memcache->add($obj_id, $rss, 0, 300);
 666                 }
 667
 668 //              print_r($rss);
 669
 670                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 671                         _debug("update_rss_feed: fetch done, parsing...");
 672                 }
 673
 674                 $feed = db_escape_string($feed);
 675
 676                 if ($use_simplepie) {
 677                         $fetch_ok = !$rss->error();
 678                 } else {
 679                         $fetch_ok = !!$rss;
 680                 }
 681
 682                 if ($fetch_ok) {
 683
 684                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 685                                 _debug("update_rss_feed: processing feed data...");
 686                         }
 687
 688 //                      db_query($link, "BEGIN");
 689
 690                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 691                                 FROM ttrss_feeds WHERE id = '$feed'");
 692
 693                         $registered_title = db_fetch_result($result, 0, "title");
 694                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 695                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 696
 697                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 698
 699                         if ($use_simplepie) {
 700                                 $site_url = $rss->get_link();
 701                         } else {
 702                                 $site_url = $rss->channel["link"];
 703                         }
 704
 705                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 706                                 _debug("update_rss_feed: checking favicon...");
 707                         }
 708
 709                         check_feed_favicon($site_url, $feed, $link);
 710
 711                         if (!$registered_title || $registered_title == "[Unknown]") {
 712
 713                                 if ($use_simplepie) {
 714                                         $feed_title = db_escape_string($rss->get_title());
 715                                 } else {
 716                                         $feed_title = db_escape_string($rss->channel["title"]);
 717                                 }
 718
 719                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 720                                         _debug("update_rss_feed: registering title: $feed_title");
 721                                 }
 722
 723                                 db_query($link, "UPDATE ttrss_feeds SET
 724                                         title = '$feed_title' WHERE id = '$feed'");
 725                         }
 726
 727                         // weird, weird Magpie
 728                         if (!$use_simplepie) {
 729                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 730                         }
 731
 732                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 733                                 db_query($link, "UPDATE ttrss_feeds SET
 734                                         site_url = '$site_url' WHERE id = '$feed'");
 735                         }
 736
 737 //                      print "I: " . $rss->channel["image"]["url"];
 738
 739                         if (!$use_simplepie) {
 740                                 $icon_url = db_escape_string($rss->image["url"]);
 741                         } else {
 742                                 $icon_url = db_escape_string($rss->get_image_url());
 743                         }
 744
 745                         $icon_url = substr($icon_url, 0, 250);
 746
 747                         if ($icon_url && $orig_icon_url != $icon_url) {
 748                                 if (USE_CURL_FOR_ICONS || url_validate($icon_url)) {
 749                                         db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 750                                 }
 751                         }
 752
 753                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 754                                 _debug("update_rss_feed: loading filters...");
 755                         }
 756
 757                         $filters = load_filters($link, $feed, $owner_uid);
 758
 759                         if ($use_simplepie) {
 760                                 $iterator = $rss->get_items();
 761                         } else {
 762                                 $iterator = $rss->items;
 763                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 764                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 765                         }
 766
 767                         if (!is_array($iterator)) {
 768                                 /* db_query($link, "UPDATE ttrss_feeds
 769                                         SET last_error = 'Parse error: can\'t find any articles.'
 770                                         WHERE id = '$feed'"); */
 771
 772                                 // clear any errors and mark feed as updated if fetched okay
 773                                 // even if it's blank
 774
 775                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 776                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 777                                 }
 778
 779                                 db_query($link, "UPDATE ttrss_feeds
 780                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 781
 782                                 return; // no articles
 783                         }
 784
 785                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 786                                 _debug("update_rss_feed: processing articles...");
 787                         }
 788
 789                         foreach ($iterator as $item) {
 790
 791                                 if ($_REQUEST['xdebug'] == 2) {
 792                                         print_r($item);
 793                                 }
 794
 795                                 if ($use_simplepie) {
 796                                         $entry_guid = $item->get_id();
 797                                         if (!$entry_guid) $entry_guid = $item->get_link();
 798                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 799
 800                                 } else {
 801
 802                                         $entry_guid = $item["id"];
 803
 804                                         if (!$entry_guid) $entry_guid = $item["guid"];
 805                                         if (!$entry_guid) $entry_guid = $item["link"];
 806                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 807                                 }
 808
 809                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 810                                         _debug("update_rss_feed: guid $entry_guid");
 811                                 }
 812
 813                                 if (!$entry_guid) continue;
 814
 815                                 $entry_timestamp = "";
 816
 817                                 if ($use_simplepie) {
 818                                         $entry_timestamp = strtotime($item->get_date());
 819                                 } else {
 820                                         $rss_2_date = $item['pubdate'];
 821                                         $rss_1_date = $item['dc']['date'];
 822                                         $atom_date = $item['issued'];
 823                                         if (!$atom_date) $atom_date = $item['updated'];
 824
 825                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 826                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 827                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 828
 829                                 }
 830
 831                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 832                                         $entry_timestamp = time();
 833                                         $no_orig_date = 'true';
 834                                 } else {
 835                                         $no_orig_date = 'false';
 836                                 }
 837
 838                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 839
 840                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 841                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
 842                                 }
 843
 844                                 if ($use_simplepie) {
 845                                         $entry_title = $item->get_title();
 846                                 } else {
 847                                         $entry_title = trim(strip_tags($item["title"]));
 848                                 }
 849
 850                                 if ($use_simplepie) {
 851                                         $entry_link = $item->get_link();
 852                                 } else {
 853                                         // strange Magpie workaround
 854                                         $entry_link = $item["link_"];
 855                                         if (!$entry_link) $entry_link = $item["link"];
 856                                 }
 857
 858                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 859                                         _debug("update_rss_feed: title $entry_title");
 860                                 }
 861
 862                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 863
 864                                 $entry_link = strip_tags($entry_link);
 865
 866                                 if ($use_simplepie) {
 867                                         $entry_content = $item->get_content();
 868                                         if (!$entry_content) $entry_content = $item->get_description();
 869                                 } else {
 870                                         $entry_content = $item["content:escaped"];
 871
 872                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 873                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 874                                         if (!$entry_content) $entry_content = $item["content"];
 875
 876                                         // Magpie bugs are getting ridiculous
 877                                         if (trim($entry_content) == "Array") $entry_content = false;
 878
 879                                         if (!$entry_content) $entry_content = $item["atom_content"];
 880                                         if (!$entry_content) $entry_content = $item["summary"];
 881
 882                                         if (!$entry_content ||
 883                                                 strlen($entry_content) < strlen($item["description"])) {
 884                                                         $entry_content = $item["description"];
 885                                         };
 886
 887                                         // WTF
 888                                         if (is_array($entry_content)) {
 889                                                 $entry_content = $entry_content["encoded"];
 890                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 891                                         }
 892                                 }
 893
 894                                 if ($_REQUEST["xdebug"] == 2) {
 895                                         print "update_rss_feed: content: ";
 896                                         print_r(htmlspecialchars($entry_content));
 897                                 }
 898
 899                                 $entry_content_unescaped = $entry_content;
 900
 901                                 if ($use_simplepie) {
 902                                         $entry_comments = strip_tags($item->data["comments"]);
 903                                         if ($item->get_author()) {
 904                                                 $entry_author_item = $item->get_author();
 905                                                 $entry_author = $entry_author_item->get_name();
 906                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 907
 908                                                 $entry_author = db_escape_string($entry_author);
 909                                         }
 910                                 } else {
 911                                         $entry_comments = strip_tags($item["comments"]);
 912
 913                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 914
 915                                         if ($item['author']) {
 916
 917                                                 if (is_array($item['author'])) {
 918
 919                                                         if (!$entry_author) {
 920                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 921                                                         }
 922
 923                                                         if (!$entry_author) {
 924                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 925                                                         }
 926                                                 }
 927
 928                                                 if (!$entry_author) {
 929                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 930                                                 }
 931                                         }
 932                                 }
 933
 934                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 935
 936                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 937                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 938
 939                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 940                                         WHERE guid = '$entry_guid'");
 941
 942                                 $entry_content = db_escape_string($entry_content);
 943
 944                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 945
 946                                 $entry_title = db_escape_string($entry_title);
 947                                 $entry_link = db_escape_string($entry_link);
 948                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 949                                 $entry_author = mb_substr($entry_author, 0, 250);
 950
 951                                 if ($use_simplepie) {
 952                                         $num_comments = 0; #FIXME#
 953                                 } else {
 954                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 955                                 }
 956
 957                                 if (!$num_comments) $num_comments = 0;
 958
 959                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 960                                         _debug("update_rss_feed: looking for tags [1]...");
 961                                 }
 962
 963                                 // parse <category> entries into tags
 964
 965                                 $additional_tags = array();
 966
 967                                 if ($use_simplepie) {
 968
 969                                         $additional_tags_src = $item->get_categories();
 970
 971                                         if (is_array($additional_tags_src)) {
 972                                                 foreach ($additional_tags_src as $tobj) {
 973                                                         array_push($additional_tags, $tobj->get_term());
 974                                                 }
 975                                         }
 976
 977                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 978                                                 _debug("update_rss_feed: category tags:");
 979                                                 print_r($additional_tags);
 980                                         }
 981
 982                                 } else {
 983
 984                                         $t_ctr = $item['category#'];
 985
 986                                         if ($t_ctr == 0) {
 987                                                 $additional_tags = array();
 988                                         } else if ($t_ctr > 0) {
 989                                                 $additional_tags = array($item['category']);
 990
 991                                                 if ($item['category@term']) {
 992                                                         array_push($additional_tags, $item['category@term']);
 993                                                 }
 994
 995                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 996                                                         if ($item["category#$i"]) {
 997                                                                 array_push($additional_tags, $item["category#$i"]);
 998                                                         }
 999
1000                                                         if ($item["category#$i@term"]) {
1001                                                                 array_push($additional_tags, $item["category#$i@term"]);
1002                                                         }
1003                                                 }
1004                                         }
1005
1006                                         // parse <dc:subject> elements
1007
1008                                         $t_ctr = $item['dc']['subject#'];
1009
1010                                         if ($t_ctr > 0) {
1011                                                 array_push($additional_tags, $item['dc']['subject']);
1012
1013                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1014                                                         if ($item['dc']["subject#$i"]) {
1015                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
1016                                                         }
1017                                                 }
1018                                         }
1019                                 }
1020
1021                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1022                                         _debug("update_rss_feed: looking for tags [2]...");
1023                                 }
1024
1025                                 /* taaaags */
1026                                 // <a href="..." rel="tag">Xorg</a>, //
1027
1028                                 $entry_tags = null;
1029
1030                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?\>([^<]+)<\/a>/i",
1031                                         $entry_content_unescaped, $entry_tags);
1032
1033                                 $entry_tags = $entry_tags[1];
1034
1035                                 $entry_tags = array_merge($entry_tags, $additional_tags);
1036                                 $entry_tags = array_unique($entry_tags);
1037
1038                                 for ($i = 0; $i < count($entry_tags); $i++)
1039                                         $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
1040
1041                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1042                                         _debug("update_rss_feed: unfiltered tags found:");
1043                                         print_r($entry_tags);
1044                                 }
1045
1046                                 # sanitize content
1047
1048                                 $entry_content = sanitize_article_content($entry_content);
1049                                 $entry_title = sanitize_article_content($entry_title);
1050
1051                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1052                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1053                                 }
1054
1055                                 db_query($link, "BEGIN");
1056
1057                                 if (db_num_rows($result) == 0) {
1058
1059                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1060                                                 _debug("update_rss_feed: base guid not found");
1061                                         }
1062
1063                                         // base post entry does not exist, create it
1064
1065                                         $result = db_query($link,
1066                                                 "INSERT INTO ttrss_entries
1067                                                         (title,
1068                                                         guid,
1069                                                         link,
1070                                                         updated,
1071                                                         content,
1072                                                         content_hash,
1073                                                         no_orig_date,
1074                                                         date_updated,
1075                                                         date_entered,
1076                                                         comments,
1077                                                         num_comments,
1078                                                         author)
1079                                                 VALUES
1080                                                         ('$entry_title',
1081                                                         '$entry_guid',
1082                                                         '$entry_link',
1083                                                         '$entry_timestamp_fmt',
1084                                                         '$entry_content',
1085                                                         '$content_hash',
1086                                                         $no_orig_date,
1087                                                         NOW(),
1088                                                         NOW(),
1089                                                         '$entry_comments',
1090                                                         '$num_comments',
1091                                                         '$entry_author')");
1092                                 } else {
1093                                         // we keep encountering the entry in feeds, so we need to
1094                                         // update date_updated column so that we don't get horrible
1095                                         // dupes when the entry gets purged and reinserted again e.g.
1096                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1097
1098                                         $base_entry_id = db_fetch_result($result, 0, "id");
1099
1100                                         db_query($link, "UPDATE ttrss_entries SET date_updated = NOW()
1101                                                 WHERE id = '$base_entry_id'");
1102                                 }
1103
1104                                 // now it should exist, if not - bad luck then
1105
1106                                 $result = db_query($link, "SELECT
1107                                                 id,content_hash,no_orig_date,title,
1108                                                 ".SUBSTRING_FOR_DATE."(date_updated,1,19) as date_updated,
1109                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1110                                                 num_comments
1111                                         FROM
1112                                                 ttrss_entries
1113                                         WHERE guid = '$entry_guid'");
1114
1115                                 $entry_ref_id = 0;
1116                                 $entry_int_id = 0;
1117
1118                                 if (db_num_rows($result) == 1) {
1119
1120                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1121                                                 _debug("update_rss_feed: base guid found, checking for user record");
1122                                         }
1123
1124                                         // this will be used below in update handler
1125                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1126                                         $orig_title = db_fetch_result($result, 0, "title");
1127                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1128                                         $orig_date_updated = strtotime(db_fetch_result($result,
1129                                                 0, "date_updated"));
1130
1131                                         $ref_id = db_fetch_result($result, 0, "id");
1132                                         $entry_ref_id = $ref_id;
1133
1134                                         // check for user post link to main table
1135
1136                                         // do we allow duplicate posts with same GUID in different feeds?
1137                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1138                                                 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
1139                                         } else {
1140                                                 $dupcheck_qpart = "";
1141                                         }
1142
1143                                         /* Collect article tags here so we could filter by them: */
1144
1145                                         $article_filters = get_article_filters($filters, $entry_title,
1146                                                 $entry_content, $entry_link, $entry_timestamp, $entry_author,
1147                                                 $entry_tags);
1148
1149                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1150                                                 _debug("update_rss_feed: article filters: ");
1151                                                 if (count($article_filters) != 0) {
1152                                                         print_r($article_filters);
1153                                                 }
1154                                         }
1155
1156                                         if (find_article_filter($article_filters, "filter")) {
1157                                                 db_query($link, "COMMIT"); // close transaction in progress
1158                                                 continue;
1159                                         }
1160
1161                                         $score = calculate_article_score($article_filters);
1162
1163                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1164                                                 _debug("update_rss_feed: initial score: $score");
1165                                         }
1166
1167                                         $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1168                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1169                                                         $dupcheck_qpart";
1170
1171 //                                      if ($_REQUEST["xdebug"]) print "$query\n";
1172
1173                                         $result = db_query($link, $query);
1174
1175                                         // okay it doesn't exist - create user entry
1176                                         if (db_num_rows($result) == 0) {
1177
1178                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1179                                                         _debug("update_rss_feed: user record not found, creating...");
1180                                                 }
1181
1182                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1183                                                         $unread = 'true';
1184                                                         $last_read_qpart = 'NULL';
1185                                                 } else {
1186                                                         $unread = 'false';
1187                                                         $last_read_qpart = 'NOW()';
1188                                                 }
1189
1190                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1191                                                         $marked = 'true';
1192                                                 } else {
1193                                                         $marked = 'false';
1194                                                 }
1195
1196                                                 if (find_article_filter($article_filters, 'publish')) {
1197                                                         $published = 'true';
1198                                                 } else {
1199                                                         $published = 'false';
1200                                                 }
1201
1202                                                 $result = db_query($link,
1203                                                         "INSERT INTO ttrss_user_entries
1204                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1205                                                                         published, score, tag_cache, label_cache)
1206                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1207                                                                 $last_read_qpart, $marked, $published, '$score', '', '')");
1208
1209                                                 $result = db_query($link,
1210                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1211                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1212                                                                 feed_id = '$feed' LIMIT 1");
1213
1214                                                 if (db_num_rows($result) == 1) {
1215                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1216                                                 }
1217                                         } else {
1218                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1219                                                         _debug("update_rss_feed: user record FOUND");
1220                                                 }
1221
1222                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1223                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1224                                         }
1225
1226                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1227                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1228                                         }
1229
1230                                         $post_needs_update = false;
1231
1232                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1233                                                 ($content_hash != $orig_content_hash)) {
1234 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1235                                                 $post_needs_update = true;
1236                                         }
1237
1238                                         if (db_escape_string($orig_title) != $entry_title) {
1239                                                 $post_needs_update = true;
1240                                         }
1241
1242                                         if ($orig_num_comments != $num_comments) {
1243                                                 $post_needs_update = true;
1244                                         }
1245
1246 //                                      this doesn't seem to be very reliable
1247 //
1248 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1249 //                                              $post_needs_update = true;
1250 //                                      }
1251
1252                                         // if post needs update, update it and mark all user entries
1253                                         // linking to this post as updated
1254                                         if ($post_needs_update) {
1255
1256                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1257                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1258                                                 }
1259
1260 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1261
1262                                                 db_query($link, "UPDATE ttrss_entries
1263                                                         SET title = '$entry_title', content = '$entry_content',
1264                                                                 content_hash = '$content_hash',
1265                                                                 num_comments = '$num_comments'
1266                                                         WHERE id = '$ref_id'");
1267
1268                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1269                                                         db_query($link, "UPDATE ttrss_user_entries
1270                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1271                                                 } else {
1272                                                         db_query($link, "UPDATE ttrss_user_entries
1273                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1274                                                 }
1275
1276                                         }
1277                                 }
1278
1279                                 db_query($link, "COMMIT");
1280
1281                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1282                                         _debug("update_rss_feed: assigning labels...");
1283                                 }
1284
1285                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1286                                         $owner_uid);
1287
1288                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1289                                         _debug("update_rss_feed: looking for enclosures...");
1290                                 }
1291
1292                                 // enclosures
1293
1294                                 $enclosures = array();
1295
1296                                 if ($use_simplepie) {
1297                                         $encs = $item->get_enclosures();
1298
1299                                         if (is_array($encs)) {
1300                                                 foreach ($encs as $e) {
1301                                                         $e_item = array(
1302                                                                 $e->link, $e->type, $e->length);
1303
1304                                                         array_push($enclosures, $e_item);
1305                                                 }
1306                                         }
1307
1308                                 } else {
1309                                         // <enclosure>
1310
1311                                         $e_ctr = $item['enclosure#'];
1312
1313                                         if ($e_ctr > 0) {
1314                                                 $e_item = array($item['enclosure@url'],
1315                                                         $item['enclosure@type'],
1316                                                         $item['enclosure@length']);
1317
1318                                                 array_push($enclosures, $e_item);
1319
1320                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1321
1322                                                         if ($item["enclosure#$i@url"]) {
1323                                                                 $e_item = array($item["enclosure#$i@url"],
1324                                                                         $item["enclosure#$i@type"],
1325                                                                         $item["enclosure#$i@length"]);
1326                                                                 array_push($enclosures, $e_item);
1327                                                         }
1328                                                 }
1329                                         }
1330
1331                                         // <media:content>
1332                                         // can there be many of those? yes -fox
1333
1334                                         $m_ctr = $item['media']['content#'];
1335
1336                                         if ($m_ctr > 0) {
1337                                                 $e_item = array($item['media']['content@url'],
1338                                                         $item['media']['content@medium'],
1339                                                         $item['media']['content@length']);
1340
1341                                                 array_push($enclosures, $e_item);
1342
1343                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1344
1345                                                         if ($item["media"]["content#$i@url"]) {
1346                                                                 $e_item = array($item["media"]["content#$i@url"],
1347                                                                         $item["media"]["content#$i@medium"],
1348                                                                         $item["media"]["content#$i@length"]);
1349                                                                 array_push($enclosures, $e_item);
1350                                                         }
1351                                                 }
1352
1353                                         }
1354                                 }
1355
1356
1357                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1358                                         _debug("update_rss_feed: article enclosures:");
1359                                         print_r($enclosures);
1360                                 }
1361
1362                                 db_query($link, "BEGIN");
1363
1364                                 foreach ($enclosures as $enc) {
1365                                         $enc_url = db_escape_string($enc[0]);
1366                                         $enc_type = db_escape_string($enc[1]);
1367                                         $enc_dur = db_escape_string($enc[2]);
1368
1369                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1370                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1371
1372                                         if (db_num_rows($result) == 0) {
1373                                                 db_query($link, "INSERT INTO ttrss_enclosures
1374                                                         (content_url, content_type, title, duration, post_id) VALUES
1375                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1376                                         }
1377                                 }
1378
1379                                 db_query($link, "COMMIT");
1380
1381                                 // check for manual tags (we have to do it here since they're loaded from filters)
1382
1383                                 foreach ($article_filters as $f) {
1384                                         if ($f[0] == "tag") {
1385
1386                                                 $manual_tags = trim_array(split(",", $f[1]));
1387
1388                                                 foreach ($manual_tags as $tag) {
1389                                                         if (tag_is_valid($tag)) {
1390                                                                 array_push($entry_tags, $tag);
1391                                                         }
1392                                                 }
1393                                         }
1394                                 }
1395
1396                                 // Skip boring tags
1397
1398                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1399                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1400
1401                                 $filtered_tags = array();
1402                                 $tags_to_cache = array();
1403
1404                                 if ($entry_tags && is_array($entry_tags)) {
1405                                         foreach ($entry_tags as $tag) {
1406                                                 if (array_search($tag, $boring_tags) === false) {
1407                                                         array_push($filtered_tags, $tag);
1408                                                 }
1409                                         }
1410                                 }
1411
1412                                 $filtered_tags = array_unique($filtered_tags);
1413
1414                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1415                                         _debug("update_rss_feed: filtered article tags:");
1416                                         print_r($filtered_tags);
1417                                 }
1418
1419                                 // Save article tags in the database
1420
1421                                 if (count($filtered_tags) > 0) {
1422
1423                                         db_query($link, "BEGIN");
1424
1425                                         foreach ($filtered_tags as $tag) {
1426
1427                                                 $tag = sanitize_tag($tag);
1428                                                 $tag = db_escape_string($tag);
1429
1430                                                 if (!tag_is_valid($tag)) continue;
1431
1432                                                 $result = db_query($link, "SELECT id FROM ttrss_tags
1433                                                         WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1434                                                         owner_uid = '$owner_uid' LIMIT 1");
1435
1436                                                         if ($result && db_num_rows($result) == 0) {
1437
1438                                                                 db_query($link, "INSERT INTO ttrss_tags
1439                                                                         (owner_uid,tag_name,post_int_id)
1440                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1441                                                         }
1442
1443                                                 array_push($tags_to_cache, $tag);
1444                                         }
1445
1446                                         /* update the cache */
1447
1448                                         $tags_to_cache = array_unique($tags_to_cache);
1449
1450                                         $tags_str = db_escape_string(join(",", $tags_to_cache));
1451
1452                                         db_query($link, "UPDATE ttrss_user_entries
1453                                                 SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id'
1454                                                 AND owner_uid = $owner_uid");
1455
1456                                         db_query($link, "COMMIT");
1457                                 }
1458
1459                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1460                                         _debug("update_rss_feed: article processed");
1461                                 }
1462                         }
1463
1464                         if (!$last_updated) {
1465                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1466                                         _debug("update_rss_feed: new feed, catching it up...");
1467                                 }
1468                                 catchup_feed($link, $feed, false, $owner_uid);
1469                         }
1470
1471                         purge_feed($link, $feed, 0);
1472
1473                         db_query($link, "UPDATE ttrss_feeds
1474                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1475
1476 //                      db_query($link, "COMMIT");
1477
1478                 } else {
1479
1480                         if ($use_simplepie) {
1481                                 $error_msg = mb_substr($rss->error(), 0, 250);
1482                         } else {
1483                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1484                         }
1485
1486                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1487                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1488                         }
1489
1490                         $error_msg = db_escape_string($error_msg);
1491
1492                         db_query($link,
1493                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1494                                         last_updated = NOW() WHERE id = '$feed'");
1495                 }
1496
1497                 if ($use_simplepie) {
1498                         unset($rss);
1499                 }
1500
1501                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1502                         _debug("update_rss_feed: done");
1503                 }
1504
1505         }
1506
1507         function print_select($id, $default, $values, $attributes = "") {
1508                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1509                 foreach ($values as $v) {
1510                         if ($v == $default)
1511                                 $sel = "selected=\"1\"";
1512                          else
1513                                 $sel = "";
1514
1515                         print "<option value=\"$v\" $sel>$v</option>";
1516                 }
1517                 print "</select>";
1518         }
1519
1520         function print_select_hash($id, $default, $values, $attributes = "") {
1521                 print "<select name=\"$id\" id='$id' $attributes>";
1522                 foreach (array_keys($values) as $v) {
1523                         if ($v == $default)
1524                                 $sel = 'selected="selected"';
1525                          else
1526                                 $sel = "";
1527
1528                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1529                 }
1530
1531                 print "</select>";
1532         }
1533
1534         function get_article_filters($filters, $title, $content, $link, $timestamp, $author, $tags) {
1535                 $matches = array();
1536
1537                 if ($filters["title"]) {
1538                         foreach ($filters["title"] as $filter) {
1539                                 $reg_exp = $filter["reg_exp"];
1540                                 $inverse = $filter["inverse"];
1541                                 if ((!$inverse && @preg_match("/$reg_exp/i", $title)) ||
1542                                                 ($inverse && !@preg_match("/$reg_exp/i", $title))) {
1543
1544                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1545                                 }
1546                         }
1547                 }
1548
1549                 if ($filters["content"]) {
1550                         foreach ($filters["content"] as $filter) {
1551                                 $reg_exp = $filter["reg_exp"];
1552                                 $inverse = $filter["inverse"];
1553
1554                                 if ((!$inverse && @preg_match("/$reg_exp/i", $content)) ||
1555                                                 ($inverse && !@preg_match("/$reg_exp/i", $content))) {
1556
1557                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1558                                 }
1559                         }
1560                 }
1561
1562                 if ($filters["both"]) {
1563                         foreach ($filters["both"] as $filter) {
1564                                 $reg_exp = $filter["reg_exp"];
1565                                 $inverse = $filter["inverse"];
1566
1567                                 if ($inverse) {
1568                                         if (!@preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1569                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1570                                         }
1571                                 } else {
1572                                         if (@preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1573                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1574                                         }
1575                                 }
1576                         }
1577                 }
1578
1579                 if ($filters["link"]) {
1580                         $reg_exp = $filter["reg_exp"];
1581                         foreach ($filters["link"] as $filter) {
1582                                 $reg_exp = $filter["reg_exp"];
1583                                 $inverse = $filter["inverse"];
1584
1585                                 if ((!$inverse && @preg_match("/$reg_exp/i", $link)) ||
1586                                                 ($inverse && !@preg_match("/$reg_exp/i", $link))) {
1587
1588                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1589                                 }
1590                         }
1591                 }
1592
1593                 if ($filters["date"]) {
1594                         $reg_exp = $filter["reg_exp"];
1595                         foreach ($filters["date"] as $filter) {
1596                                 $date_modifier = $filter["filter_param"];
1597                                 $inverse = $filter["inverse"];
1598                                 $check_timestamp = strtotime($filter["reg_exp"]);
1599
1600                                 # no-op when timestamp doesn't parse to prevent misfires
1601
1602                                 if ($check_timestamp) {
1603                                         $match_ok = false;
1604
1605                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1606                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1607                                                         $match_ok = true;
1608                                         }
1609
1610                                         if ($inverse) $match_ok = !$match_ok;
1611
1612                                         if ($match_ok) {
1613                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1614                                         }
1615                                 }
1616                         }
1617                 }
1618
1619                 if ($filters["author"]) {
1620                         foreach ($filters["author"] as $filter) {
1621                                 $reg_exp = $filter["reg_exp"];
1622                                 $inverse = $filter["inverse"];
1623                                 if ((!$inverse && @preg_match("/$reg_exp/i", $author)) ||
1624                                                 ($inverse && !@preg_match("/$reg_exp/i", $author))) {
1625
1626                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1627                                 }
1628                         }
1629                 }
1630
1631                 if ($filters["tag"]) {
1632
1633                         $tag_string = join(",", $tags);
1634
1635                         foreach ($filters["tag"] as $filter) {
1636                                 $reg_exp = $filter["reg_exp"];
1637                                 $inverse = $filter["inverse"];
1638
1639                                 if ((!$inverse && @preg_match("/$reg_exp/i", $tag_string)) ||
1640                                                 ($inverse && !@preg_match("/$reg_exp/i", $tag_string))) {
1641
1642                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1643                                 }
1644                         }
1645                 }
1646
1647
1648                 return $matches;
1649         }
1650
1651         function find_article_filter($filters, $filter_name) {
1652                 foreach ($filters as $f) {
1653                         if ($f[0] == $filter_name) {
1654                                 return $f;
1655                         };
1656                 }
1657                 return false;
1658         }
1659
1660         function calculate_article_score($filters) {
1661                 $score = 0;
1662
1663                 foreach ($filters as $f) {
1664                         if ($f[0] == "score") {
1665                                 $score += $f[1];
1666                         };
1667                 }
1668                 return $score;
1669         }
1670
1671         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1672                 foreach ($filters as $f) {
1673                         if ($f[0] == "label") {
1674                                 label_add_article($link, $id, $f[1], $owner_uid);
1675                         };
1676                 }
1677         }
1678
1679         function getmicrotime() {
1680                 list($usec, $sec) = explode(" ",microtime());
1681                 return ((float)$usec + (float)$sec);
1682         }
1683
1684         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1685                 foreach ($values as $v) {
1686
1687                         if ($v == $default)
1688                                 $sel = "checked";
1689                          else
1690                                 $sel = "";
1691
1692                         if ($v == $true_is) {
1693                                 $sel .= " value=\"1\"";
1694                         } else {
1695                                 $sel .= " value=\"0\"";
1696                         }
1697
1698                         print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
1699                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1700
1701                 }
1702         }
1703
1704         function initialize_user_prefs($link, $uid, $profile = false) {
1705
1706                 $uid = db_escape_string($uid);
1707
1708                 if (!$profile) {
1709                         $profile = "NULL";
1710                         $profile_qpart = "AND profile IS NULL";
1711                 } else {
1712                         $profile_qpart = "AND profile = '$profile'";
1713                 }
1714
1715                 if (get_schema_version($link) < 63) $profile_qpart = "";
1716
1717                 db_query($link, "BEGIN");
1718
1719                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1720
1721                 $u_result = db_query($link, "SELECT pref_name
1722                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
1723
1724                 $active_prefs = array();
1725
1726                 while ($line = db_fetch_assoc($u_result)) {
1727                         array_push($active_prefs, $line["pref_name"]);
1728                 }
1729
1730                 while ($line = db_fetch_assoc($result)) {
1731                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1732 //                              print "adding " . $line["pref_name"] . "<br>";
1733
1734                                 if (get_schema_version($link) < 63) {
1735                                         db_query($link, "INSERT INTO ttrss_user_prefs
1736                                                 (owner_uid,pref_name,value) VALUES
1737                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1738
1739                                 } else {
1740                                         db_query($link, "INSERT INTO ttrss_user_prefs
1741                                                 (owner_uid,pref_name,value, profile) VALUES
1742                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
1743                                 }
1744
1745                         }
1746                 }
1747
1748                 db_query($link, "COMMIT");
1749
1750         }
1751
1752         function lookup_user_id($link, $user) {
1753
1754                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1755                         login = '$login'");
1756
1757                 if (db_num_rows($result) == 1) {
1758                         return db_fetch_result($result, 0, "id");
1759                 } else {
1760                         return false;
1761                 }
1762         }
1763
1764         function http_authenticate_user($link) {
1765
1766 //              error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1767
1768                 if (!$_SERVER["PHP_AUTH_USER"]) {
1769
1770                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1771                         header('HTTP/1.0 401 Unauthorized');
1772                         exit;
1773
1774                 } else {
1775                         $auth_result = authenticate_user($link,
1776                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1777
1778                         if (!$auth_result) {
1779                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1780                                 header('HTTP/1.0 401 Unauthorized');
1781                                 exit;
1782                         }
1783                 }
1784
1785                 return true;
1786         }
1787
1788         function authenticate_user($link, $login, $password, $force_auth = false) {
1789
1790                 if (!SINGLE_USER_MODE) {
1791
1792                         $pwd_hash1 = encrypt_password($password);
1793                         $pwd_hash2 = encrypt_password($password, $login);
1794                         $login = db_escape_string($login);
1795
1796                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1797                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1798
1799                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1800
1801                                 $query = "SELECT id,login,access_level,pwd_hash
1802                     FROM ttrss_users WHERE
1803                                         login = '$login'";
1804
1805                         } else {
1806                                 $query = "SELECT id,login,access_level,pwd_hash
1807                     FROM ttrss_users WHERE
1808                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1809                                                 pwd_hash = '$pwd_hash2')";
1810                         }
1811
1812                         $result = db_query($link, $query);
1813
1814                         if (db_num_rows($result) == 1) {
1815                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1816                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1817                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1818
1819                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1820                                         $_SESSION["uid"]);
1821
1822                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1823                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1824
1825                                 $_SESSION["last_version_check"] = time();
1826
1827                                 initialize_user_prefs($link, $_SESSION["uid"]);
1828
1829                                 return true;
1830                         }
1831
1832                         return false;
1833
1834                 } else {
1835
1836                         $_SESSION["uid"] = 1;
1837                         $_SESSION["name"] = "admin";
1838
1839                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1840
1841                         initialize_user_prefs($link, $_SESSION["uid"]);
1842
1843                         return true;
1844                 }
1845         }
1846
1847         function make_password($length = 8) {
1848
1849                 $password = "";
1850                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1851
1852         $i = 0;
1853
1854                 while ($i < $length) {
1855                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1856
1857                         if (!strstr($password, $char)) {
1858                                 $password .= $char;
1859                                 $i++;
1860                         }
1861                 }
1862                 return $password;
1863         }
1864
1865         // this is called after user is created to initialize default feeds, labels
1866         // or whatever else
1867
1868         // user preferences are checked on every login, not here
1869
1870         function initialize_user($link, $uid) {
1871
1872                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1873                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1874                         'http://tt-rss.org/releases.rss')");
1875
1876                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1877                         values ('$uid', 'Tiny Tiny RSS: Forum',
1878                                 'http://tt-rss.org/forum/rss.php')");
1879         }
1880
1881         function logout_user() {
1882                 session_destroy();
1883                 if (isset($_COOKIE[session_name()])) {
1884                    setcookie(session_name(), '', time()-42000, '/');
1885                 }
1886         }
1887
1888         function get_script_urlpath() {
1889                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1890         }
1891
1892         function validate_session($link) {
1893                 if (SINGLE_USER_MODE) {
1894                         return true;
1895                 }
1896
1897                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1898                         if ($_SESSION["ip_address"]) {
1899                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1900                                         $_SESSION["login_error_msg"] = __("Session failed to validate (incorrect IP)");
1901                                         return false;
1902                                 }
1903                         }
1904                 }
1905
1906                 if ($_SESSION["ref_schema_version"] != get_schema_version($link, true)) {
1907                         return false;
1908                 }
1909
1910                 if ($_SESSION["uid"]) {
1911
1912                         $result = db_query($link,
1913                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1914
1915                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1916
1917                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1918                                 return false;
1919                         }
1920                 }
1921
1922 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1923
1924                         //print_r($_SESSION);
1925
1926                         if (time() > $_SESSION["cookie_lifetime"]) {
1927                                 return false;
1928                         }
1929                 } */
1930
1931                 return true;
1932         }
1933
1934         function login_sequence($link, $mobile = false) {
1935                 if (!SINGLE_USER_MODE) {
1936
1937                         $login_action = $_POST["login_action"];
1938
1939                         # try to authenticate user if called from login form
1940                         if ($login_action == "do_login") {
1941                                 $login = $_POST["login"];
1942                                 $password = $_POST["password"];
1943                                 $remember_me = $_POST["remember_me"];
1944
1945                                 if (authenticate_user($link, $login, $password)) {
1946                                         $_POST["password"] = "";
1947
1948                                         $_SESSION["language"] = $_POST["language"];
1949                                         $_SESSION["ref_schema_version"] = get_schema_version($link, true);
1950                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
1951
1952                                         if ($_POST["profile"]) {
1953
1954                                                 $profile = db_escape_string($_POST["profile"]);
1955
1956                                                 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
1957                                                         WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
1958
1959                                                 if (db_num_rows($result) != 0) {
1960                                                         $_SESSION["profile"] = $profile;
1961                                                         $_SESSION["prefs_cache"] = array();
1962                                                 }
1963                                         }
1964
1965                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1966                                         exit;
1967
1968                                         return;
1969                                 } else {
1970                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
1971                                 }
1972                         }
1973
1974                         if (!$_SESSION["uid"] || !validate_session($link)) {
1975                                 render_login_form($link, $mobile);
1976                                 //header("Location: login.php");
1977                                 exit;
1978                         } else {
1979                                 /* bump login timestamp */
1980                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1981                                         $_SESSION["uid"]);
1982
1983                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1984                                         setcookie("ttrss_lang", $_SESSION["language"],
1985                                                 time() + SESSION_COOKIE_LIFETIME);
1986                                 }
1987                         }
1988
1989                 } else {
1990                         return authenticate_user($link, "admin", null);
1991                 }
1992         }
1993
1994         function truncate_string($str, $max_len) {
1995                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1996                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
1997                 } else {
1998                         return $str;
1999                 }
2000         }
2001
2002         function theme_image($link, $filename) {
2003                 if ($link) {
2004                         $theme_path = get_user_theme_path($link);
2005
2006                         if ($theme_path && is_file($theme_path.$filename)) {
2007                                 return $theme_path.$filename;
2008                         } else {
2009                                 return $filename;
2010                         }
2011                 } else {
2012                         return $filename;
2013                 }
2014         }
2015
2016         function get_user_theme($link) {
2017
2018                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2019                         $theme_name = get_pref($link, "_THEME_ID");
2020                         if (is_dir("themes/$theme_name")) {
2021                                 return $theme_name;
2022                         } else {
2023                                 return '';
2024                         }
2025                 } else {
2026                         return '';
2027                 }
2028
2029         }
2030
2031         function get_user_theme_path($link) {
2032                 $theme_path = '';
2033
2034                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2035                         $theme_name = get_pref($link, "_THEME_ID");
2036
2037                         if ($theme_name && is_dir("themes/$theme_name")) {
2038                                 $theme_path = "themes/$theme_name/";
2039                         } else {
2040                                 $theme_name = '';
2041                         }
2042                 } else {
2043                         $theme_path = '';
2044                 }
2045
2046                 if ($theme_path) {
2047                         if (is_file("$theme_path/theme.ini")) {
2048                                 $ini = parse_ini_file("$theme_path/theme.ini", true);
2049                                 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED) {
2050                                         return $theme_path;
2051                                 }
2052                         }
2053                 }
2054                 return '';
2055         }
2056
2057         function get_user_theme_options($link) {
2058                 $t = get_user_theme_path($link);
2059
2060                 if ($t) {
2061                         if (is_file("$t/theme.ini")) {
2062                                 $ini = parse_ini_file("$t/theme.ini", true);
2063                                 if ($ini['theme']['version']) {
2064                                         return $ini['theme']['options'];
2065                                 }
2066                         }
2067                 }
2068                 return '';
2069         }
2070
2071         function print_theme_includes($link) {
2072
2073                 $t = get_user_theme_path($link);
2074                 $time = time();
2075
2076                 if ($t) {
2077                         print "<link rel=\"stylesheet\" type=\"text/css\"
2078                                 href=\"$t/theme.css?$time \">";
2079                         if (file_exists("$t/theme.js")) {
2080                                 print "<script type=\"text/javascript\" src=\"$t/theme.js?$time\">
2081                                         </script>";
2082                         }
2083                 }
2084         }
2085
2086         function get_all_themes() {
2087                 $themes = glob("themes/*");
2088
2089                 asort($themes);
2090
2091                 $rv = array();
2092
2093                 foreach ($themes as $t) {
2094                         if (is_file("$t/theme.ini")) {
2095                                 $ini = parse_ini_file("$t/theme.ini", true);
2096                                 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED &&
2097                                                         !$ini['theme']['disabled']) {
2098                                         $entry = array();
2099                                         $entry["path"] = $t;
2100                                         $entry["base"] = basename($t);
2101                                         $entry["name"] = $ini['theme']['name'];
2102                                         $entry["version"] = $ini['theme']['version'];
2103                                         $entry["author"] = $ini['theme']['author'];
2104                                         $entry["options"] = $ini['theme']['options'];
2105                                         array_push($rv, $entry);
2106                                 }
2107                         }
2108                 }
2109
2110                 return $rv;
2111         }
2112
2113         function make_local_datetime($link, $timestamp, $long, $owner_uid = false,
2114                                         $no_smart_dt = false) {
2115
2116                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2117                 if (!$timestamp) $timestamp = '1970-01-01 0:00';
2118
2119                 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $owner_uid);
2120
2121                 try {
2122                         $user_tz = new DateTimeZone($user_tz_string);
2123                 } catch (Exception $e) {
2124                         $user_tz = new DateTimeZone('UTC');
2125                 }
2126
2127                 # We store date in UTC internally
2128                 $dt = new DateTime($timestamp, new DateTimeZone('UTC'));
2129                 $user_timestamp = $dt->format('U') + $user_tz->getOffset($dt);
2130
2131                 if (!$no_smart_dt && get_pref($link, 'HEADLINES_SMART_DATE', $owner_uid)) {
2132                         return smart_date_time($link, $user_timestamp,
2133                                 $user_tz->getOffset($dt), $owner_uid);
2134                 } else {
2135                         if ($long)
2136                                 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2137                         else
2138                                 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2139
2140                         return date($format, $user_timestamp);
2141                 }
2142         }
2143
2144         function smart_date_time($link, $timestamp, $tz_offset = 0, $owner_uid = false) {
2145                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2146
2147                 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
2148                         return date("G:i", $timestamp);
2149                 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
2150                         $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2151                         return date($format, $timestamp);
2152                 } else {
2153                         $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2154                         return date($format, $timestamp);
2155                 }
2156         }
2157
2158         function smart_date($timestamp) {
2159                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2160                         return "Today";
2161                 } else if (date("Y", $timestamp) == date("Y")) {
2162                         return date("D m", $timestamp);
2163                 } else {
2164                         return date("Y/m/d", $timestamp);
2165                 }
2166         }
2167
2168         function sql_bool_to_string($s) {
2169                 if ($s == "t" || $s == "1") {
2170                         return "true";
2171                 } else {
2172                         return "false";
2173                 }
2174         }
2175
2176         function sql_bool_to_bool($s) {
2177                 if ($s == "t" || $s == "1") {
2178                         return true;
2179                 } else {
2180                         return false;
2181                 }
2182         }
2183
2184         function bool_to_sql_bool($s) {
2185                 if ($s) {
2186                         return "true";
2187                 } else {
2188                         return "false";
2189                 }
2190         }
2191
2192         function toggleEvenOdd($a) {
2193                 if ($a == "even")
2194                         return "odd";
2195                 else
2196                         return "even";
2197         }
2198
2199         function get_schema_version($link, $nocache = false) {
2200                 if (!$_SESSION["schema_version"] || $nocache) {
2201                         $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2202                         $version = db_fetch_result($result, 0, "schema_version");
2203                         $_SESSION["schema_version"] = $version;
2204                         return $version;
2205                 } else {
2206                         return $_SESSION["schema_version"];
2207                 }
2208         }
2209
2210         function sanity_check($link) {
2211
2212                 $error_code = 0;
2213                 $schema_version = get_schema_version($link);
2214
2215                 if ($schema_version != SCHEMA_VERSION) {
2216                         $error_code = 5;
2217                 }
2218
2219                 if (DB_TYPE == "mysql") {
2220                         $result = db_query($link, "SELECT true", false);
2221                         if (db_num_rows($result) != 1) {
2222                                 $error_code = 10;
2223                         }
2224                 }
2225
2226                 if (db_escape_string("testTEST") != "testTEST") {
2227                         $error_code = 12;
2228                 }
2229
2230                 if ($error_code != 0) {
2231                         print_error_xml($error_code);
2232                         return false;
2233                 } else {
2234                         return true;
2235                 }
2236         }
2237
2238         function file_is_locked($filename) {
2239                 if (function_exists('flock')) {
2240                         $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
2241                         if ($fp) {
2242                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2243                                         flock($fp, LOCK_UN);
2244                                         fclose($fp);
2245                                         return false;
2246                                 }
2247                                 fclose($fp);
2248                                 return true;
2249                         } else {
2250                                 return false;
2251                         }
2252                 }
2253                 return true; // consider the file always locked and skip the test
2254         }
2255
2256         function make_lockfile($filename) {
2257                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2258
2259                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2260                         if (function_exists('posix_getpid')) {
2261                                 fwrite($fp, posix_getpid() . "\n");
2262                         }
2263                         return $fp;
2264                 } else {
2265                         return false;
2266                 }
2267         }
2268
2269         function make_stampfile($filename) {
2270                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2271
2272                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2273                         fwrite($fp, time() . "\n");
2274                         flock($fp, LOCK_UN);
2275                         fclose($fp);
2276                         return true;
2277                 } else {
2278                         return false;
2279                 }
2280         }
2281
2282         function sql_random_function() {
2283                 if (DB_TYPE == "mysql") {
2284                         return "RAND()";
2285                 } else {
2286                         return "RANDOM()";
2287                 }
2288         }
2289
2290         function catchup_feed($link, $feed, $cat_view, $owner_uid = false) {
2291
2292                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2293
2294                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2295
2296                                 if ($cat_view) {
2297
2298                                         if ($feed >= 0) {
2299
2300                                                 if ($feed > 0) {
2301                                                         $cat_qpart = "cat_id = '$feed'";
2302                                                 } else {
2303                                                         $cat_qpart = "cat_id IS NULL";
2304                                                 }
2305
2306                                                 $tmp_result = db_query($link, "SELECT id
2307                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2308
2309                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2310
2311                                                         $tmp_feed = $tmp_line["id"];
2312
2313                                                         db_query($link, "UPDATE ttrss_user_entries
2314                                                                 SET unread = false,last_read = NOW()
2315                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2316                                                 }
2317                                         } else if ($feed == -2) {
2318
2319
2320                                                 db_query($link, "UPDATE ttrss_user_entries
2321                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
2322                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
2323                                                         AND unread = true AND owner_uid = $owner_uid");
2324                                         }
2325
2326                                 } else if ($feed > 0) {
2327
2328                                         db_query($link, "UPDATE ttrss_user_entries
2329                                                         SET unread = false,last_read = NOW()
2330                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2331
2332                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2333
2334                                         if ($feed == -1) {
2335                                                 db_query($link, "UPDATE ttrss_user_entries
2336                                                         SET unread = false,last_read = NOW()
2337                                                         WHERE marked = true AND owner_uid = $owner_uid");
2338                                         }
2339
2340                                         if ($feed == -2) {
2341                                                 db_query($link, "UPDATE ttrss_user_entries
2342                                                         SET unread = false,last_read = NOW()
2343                                                         WHERE published = true AND owner_uid = $owner_uid");
2344                                         }
2345
2346                                         if ($feed == -3) {
2347
2348                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2349
2350                                                 if (DB_TYPE == "pgsql") {
2351                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2352                                                 } else {
2353                                                         $match_part = "updated > DATE_SUB(NOW(),
2354                                                                 INTERVAL $intl HOUR) ";
2355                                                 }
2356
2357                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2358                                                         ttrss_user_entries WHERE $match_part AND
2359                                                         unread = true AND
2360                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2361                                                         owner_uid = $owner_uid");
2362
2363                                                 $affected_ids = array();
2364
2365                                                 while ($line = db_fetch_assoc($result)) {
2366                                                         array_push($affected_ids, $line["id"]);
2367                                                 }
2368
2369                                                 catchupArticlesById($link, $affected_ids, 0);
2370                                         }
2371
2372                                         if ($feed == -4) {
2373                                                 db_query($link, "UPDATE ttrss_user_entries
2374                                                         SET unread = false,last_read = NOW()
2375                                                         WHERE owner_uid = $owner_uid");
2376                                         }
2377
2378                                 } else if ($feed < -10) { // label
2379
2380                                         $label_id = -$feed - 11;
2381
2382                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2383                                                 SET unread = false, last_read = NOW()
2384                                                         WHERE label_id = '$label_id' AND unread = true
2385                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2386
2387                                 }
2388
2389                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2390
2391                         } else { // tag
2392                                 db_query($link, "BEGIN");
2393
2394                                 $tag_name = db_escape_string($feed);
2395
2396                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2397                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2398
2399                                 while ($line = db_fetch_assoc($result)) {
2400                                         db_query($link, "UPDATE ttrss_user_entries SET
2401                                                 unread = false, last_read = NOW()
2402                                                 WHERE int_id = " . $line["post_int_id"]);
2403                                 }
2404                                 db_query($link, "COMMIT");
2405                         }
2406         }
2407
2408         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2409                         if ($cat_view) {
2410
2411                                 if ($feed > 0) {
2412                                         $cat_qpart = "cat_id = '$feed'";
2413                                 } else {
2414                                         $cat_qpart = "cat_id IS NULL";
2415                                 }
2416
2417                                 $tmp_result = db_query($link, "SELECT id FROM ttrss_feeds
2418                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2419
2420                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2421                                         $feed_id = $tmp_line["id"];
2422                                         update_rss_feed($link, $feed_id, $force_update);
2423                                 }
2424
2425                         } else {
2426                                 update_rss_feed($link, $feed, $force_update);
2427                         }
2428         }
2429
2430         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2431
2432                 if (!$omode) $omode = "flc";
2433
2434                 $data = getGlobalCounters($link);
2435
2436                 $data = array_merge($data, getVirtCounters($link));
2437
2438                 if (strchr($omode, "l")) $data = array_merge($data, getLabelCounters($link));
2439                 if (strchr($omode, "f")) $data = array_merge($data, getFeedCounters($link, $active_feed));
2440                 if (strchr($omode, "t")) $data = array_merge($data, getTagCounters($link));
2441                 if (strchr($omode, "c")) {
2442                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2443                                 $data = array_merge($data, getCategoryCounters($link));
2444                         }
2445                 }
2446
2447                 return $data;
2448         }
2449
2450         function getCategoryCounters($link) {
2451                 $ret_arr = array();
2452
2453                 /* Labels category */
2454
2455                 $cv = array("id" => -2, "kind" => "cat",
2456                         "counter" => getCategoryUnread($link, -2));
2457
2458                 array_push($ret_arr, $cv);
2459
2460                 $age_qpart = getMaxAgeSubquery();
2461
2462                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2463                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2464                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2465                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2466
2467                 while ($line = db_fetch_assoc($result)) {
2468                         $line["cat_id"] = (int) $line["cat_id"];
2469
2470                         $cv = array("id" => $line["cat_id"], "kind" => "cat",
2471                                 "counter" => $line["unread"]);
2472
2473                         array_push($ret_arr, $cv);
2474                 }
2475
2476                 /* Special case: NULL category doesn't actually exist in the DB */
2477
2478                 $cv = array("id" => 0, "kind" => "cat",
2479                         "counter" => ccache_find($link, 0, $_SESSION["uid"], true));
2480
2481                 array_push($ret_arr, $cv);
2482
2483                 return $ret_arr;
2484         }
2485
2486         function getCategoryUnread($link, $cat, $owner_uid = false) {
2487
2488                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2489
2490                 if ($cat >= 0) {
2491
2492                         if ($cat != 0) {
2493                                 $cat_query = "cat_id = '$cat'";
2494                         } else {
2495                                 $cat_query = "cat_id IS NULL";
2496                         }
2497
2498                         $age_qpart = getMaxAgeSubquery();
2499
2500                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2501                                         AND owner_uid = " . $owner_uid);
2502
2503                         $cat_feeds = array();
2504                         while ($line = db_fetch_assoc($result)) {
2505                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2506                         }
2507
2508                         if (count($cat_feeds) == 0) return 0;
2509
2510                         $match_part = implode(" OR ", $cat_feeds);
2511
2512                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2513                                 FROM ttrss_user_entries,ttrss_entries
2514                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2515                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2516
2517                         $unread = 0;
2518
2519                         # this needs to be rewritten
2520                         while ($line = db_fetch_assoc($result)) {
2521                                 $unread += $line["unread"];
2522                         }
2523
2524                         return $unread;
2525                 } else if ($cat == -1) {
2526                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
2527                 } else if ($cat == -2) {
2528
2529                         $result = db_query($link, "
2530                                 SELECT COUNT(unread) AS unread FROM
2531                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2532                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2533                                         ttrss_labels2.owner_uid = '$owner_uid'
2534                                         AND unread = true AND feed_id = ttrss_feeds.id
2535                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2536
2537                         $unread = db_fetch_result($result, 0, "unread");
2538
2539                         return $unread;
2540
2541                 }
2542         }
2543
2544         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2545                 if (DB_TYPE == "pgsql") {
2546                         return "ttrss_entries.date_updated >
2547                                 NOW() - INTERVAL '$days days'";
2548                 } else {
2549                         return "ttrss_entries.date_updated >
2550                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2551                 }
2552         }
2553
2554         function getFeedUnread($link, $feed, $is_cat = false) {
2555                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2556         }
2557
2558         function getLabelUnread($link, $label_id, $owner_uid = false) {
2559                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2560
2561                 $result = db_query($link, "
2562                         SELECT COUNT(unread) AS unread FROM
2563                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2564                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2565                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2566                                 AND unread = true AND feed_id = ttrss_feeds.id
2567                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2568
2569                 if (db_num_rows($result) != 0) {
2570                         return db_fetch_result($result, 0, "unread");
2571                 } else {
2572                         return 0;
2573                 }
2574         }
2575
2576         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2577                 $owner_uid = false) {
2578
2579                 $n_feed = (int) $feed;
2580
2581                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2582
2583                 if ($unread_only) {
2584                         $unread_qpart = "unread = true";
2585                 } else {
2586                         $unread_qpart = "true";
2587                 }
2588
2589                 $age_qpart = getMaxAgeSubquery();
2590
2591                 if ($is_cat) {
2592                         return getCategoryUnread($link, $n_feed, $owner_uid);
2593                 } if ($feed != "0" && $n_feed == 0) {
2594
2595                         $feed = db_escape_string($feed);
2596
2597                         $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
2598                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2599                                         AND ref_id = id AND $age_qpart
2600                                         AND $unread_qpart)) AS count FROM ttrss_tags
2601                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
2602                         return db_fetch_result($result, 0, "count");
2603
2604                 } else if ($n_feed == -1) {
2605                         $match_part = "marked = true";
2606                 } else if ($n_feed == -2) {
2607                         $match_part = "published = true";
2608                 } else if ($n_feed == -3) {
2609                         $match_part = "unread = true";
2610
2611                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2612
2613                         if (DB_TYPE == "pgsql") {
2614                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2615                         } else {
2616                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2617                         }
2618                 } else if ($n_feed == -4) {
2619                         $match_part = "true";
2620                 } else if ($n_feed >= 0) {
2621
2622                         if ($n_feed != 0) {
2623                                 $match_part = "feed_id = '$n_feed'";
2624                         } else {
2625                                 $match_part = "feed_id IS NULL";
2626                         }
2627
2628                 } else if ($feed < -10) {
2629
2630                         $label_id = -$feed - 11;
2631
2632                         return getLabelUnread($link, $label_id, $owner_uid);
2633
2634                 }
2635
2636                 if ($match_part) {
2637
2638                         if ($n_feed != 0) {
2639                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
2640                                 $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2641                         } else {
2642                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
2643                                 $feeds_qpart = '';
2644                         }
2645
2646                         $query = "SELECT count(int_id) AS unread
2647                                 FROM $from_qpart WHERE
2648                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2649                                 $age_qpart AND
2650                                 $feeds_qpart
2651                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
2652
2653                         $result = db_query($link, $query);
2654
2655                 } else {
2656
2657                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2658                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2659                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2660                                 AND $unread_qpart AND $age_qpart AND
2661                                         ttrss_tags.owner_uid = " . $owner_uid);
2662                 }
2663
2664                 $unread = db_fetch_result($result, 0, "unread");
2665
2666                 return $unread;
2667         }
2668
2669         function getGlobalUnread($link, $user_id = false) {
2670
2671                 if (!$user_id) {
2672                         $user_id = $_SESSION["uid"];
2673                 }
2674
2675                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2676                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2677
2678                 $c_id = db_fetch_result($result, 0, "c_id");
2679
2680                 return $c_id;
2681         }
2682
2683         function getGlobalCounters($link, $global_unread = -1) {
2684                 $ret_arr = array();
2685
2686                 if ($global_unread == -1) {
2687                         $global_unread = getGlobalUnread($link);
2688                 }
2689
2690                 $cv = array("id" => "global-unread",
2691                         "counter" => $global_unread);
2692
2693                 array_push($ret_arr, $cv);
2694
2695                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2696                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2697
2698                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2699
2700                 $cv = array("id" => "subscribed-feeds",
2701                         "counter" => $subscribed_feeds);
2702
2703                 array_push($ret_arr, $cv);
2704
2705                 return $ret_arr;
2706         }
2707
2708         function getSubscribedFeeds($link) {
2709                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2710                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2711
2712                 return db_fetch_result($result, 0, "fn");
2713         }
2714
2715         function getTagCounters($link) {
2716
2717                 $ret_arr = array();
2718
2719                 $age_qpart = getMaxAgeSubquery();
2720
2721                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2722                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2723                                 AND ref_id = id AND $age_qpart
2724                                 AND unread = true)) AS count FROM ttrss_tags
2725                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2726                                 ORDER BY count DESC LIMIT 55");
2727
2728                 $tags = array();
2729
2730                 while ($line = db_fetch_assoc($result)) {
2731                         $tags[$line["tag_name"]] += $line["count"];
2732                 }
2733
2734                 foreach (array_keys($tags) as $tag) {
2735                         $unread = $tags[$tag];
2736                         $tag = htmlspecialchars($tag);
2737
2738                         $cv = array("id" => $tag,
2739                                 "kind" => "tag",
2740                                 "counter" => $unread);
2741
2742                         array_push($ret_arr, $cv);
2743                 }
2744
2745                 return $ret_arr;
2746         }
2747
2748         function getVirtCounters($link) {
2749
2750                 $ret_arr = array();
2751
2752                 for ($i = 0; $i >= -4; $i--) {
2753
2754                         $count = getFeedUnread($link, $i);
2755
2756                         $cv = array("id" => $i,
2757                                 "counter" => $count);
2758
2759 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2760 //                              $cv["xmsg"] = getFeedArticles($link, $i)." ".__("total");
2761
2762                         array_push($ret_arr, $cv);
2763                 }
2764
2765                 return $ret_arr;
2766         }
2767
2768         function getLabelCounters($link, $descriptions = false) {
2769
2770                 $ret_arr = array();
2771
2772                 $age_qpart = getMaxAgeSubquery();
2773
2774                 $owner_uid = $_SESSION["uid"];
2775
2776                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2777                         WHERE owner_uid = '$owner_uid'");
2778
2779                 while ($line = db_fetch_assoc($result)) {
2780
2781                         $id = -$line["id"] - 11;
2782
2783                         $label_name = $line["caption"];
2784                         $count = getFeedUnread($link, $id);
2785
2786                         $cv = array("id" => $id,
2787                                 "counter" => $count);
2788
2789                         if ($descriptions)
2790                                 $cv["description"] = $label_name;
2791
2792 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2793 //                              $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2794
2795                         array_push($ret_arr, $cv);
2796                 }
2797
2798                 return $ret_arr;
2799         }
2800
2801         function getFeedCounters($link, $active_feed = false) {
2802
2803                 $ret_arr = array();
2804
2805                 $age_qpart = getMaxAgeSubquery();
2806
2807                 $query = "SELECT ttrss_feeds.id,
2808                                 ttrss_feeds.title,
2809                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2810                                 last_error, value AS count
2811                         FROM ttrss_feeds, ttrss_counters_cache
2812                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2813                                 AND ttrss_counters_cache.feed_id = id";
2814
2815                 $result = db_query($link, $query);
2816                 $fctrs_modified = false;
2817
2818                 while ($line = db_fetch_assoc($result)) {
2819
2820                         $id = $line["id"];
2821                         $count = $line["count"];
2822                         $last_error = htmlspecialchars($line["last_error"]);
2823
2824                         $last_updated = make_local_datetime($link, $line['last_updated'], false);
2825
2826                         $has_img = feed_has_icon($id);
2827
2828                         if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
2829                                 $last_updated = '';
2830
2831                         $cv = array("id" => $id,
2832                                 "updated" => $last_updated,
2833                                 "counter" => $count,
2834                                 "has_img" => (int) $has_img);
2835
2836                         if ($last_error)
2837                                 $cv["error"] = $last_error;
2838
2839 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2840 //                              $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2841
2842                         if ($active_feed && $id == $active_feed)
2843                                 $cv["title"] = truncate_string($line["title"], 30);
2844
2845                         array_push($ret_arr, $cv);
2846
2847                 }
2848
2849                 return $ret_arr;
2850         }
2851
2852         function get_pgsql_version($link) {
2853                 $result = db_query($link, "SELECT version() AS version");
2854                 $version = split(" ", db_fetch_result($result, 0, "version"));
2855                 return $version[1];
2856         }
2857
2858         function print_error_xml($code, $add_msg = "") {
2859                 global $ERRORS;
2860
2861                 $error_msg = $ERRORS[$code];
2862
2863                 if ($add_msg) {
2864                         $error_msg = "$error_msg; $add_msg";
2865                 }
2866
2867                 print "<rpc-reply>";
2868                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2869                 print "</rpc-reply>";
2870         }
2871
2872         /**
2873          * Subscribes the user to the given feed
2874          *
2875          * @param resource $link       Database connection
2876          * @param string   $url        Feed URL to subscribe to
2877          * @param integer  $cat_id     Category ID the feed shall be added to
2878          * @param string   $auth_login (optional) Feed username
2879          * @param string   $auth_pass  (optional) Feed password
2880          *
2881          * @return integer Status code:
2882          *                 0 - OK, Feed already exists
2883          *                 1 - OK, Feed added
2884          *                 2 - Invalid URL
2885          *                 3 - URL content is HTML, no feeds available
2886          *                 4 - URL content is HTML which contains multiple feeds.
2887          *                     Here you should call extractfeedurls in rpc-backend
2888          *                     to get all possible feeds.
2889          *                 5 - Couldn't download the URL content.
2890          */
2891         function subscribe_to_feed($link, $url, $cat_id = 0,
2892                         $auth_login = '', $auth_pass = '') {
2893
2894                 $url = fix_url($url);
2895
2896                 if (!$url || !validate_feed_url($url)) return 2;
2897                 if (!fetch_file_contents($url)) return 5;
2898
2899                 if (url_is_html($url)) {
2900                         $feedUrls = get_feeds_from_html($url);
2901                         if (count($feedUrls) == 0) {
2902                                 return 3;
2903                         } else if (count($feedUrls) > 1) {
2904                                 return 4;
2905                         }
2906                         //use feed url as new URL
2907                         $url = key($feedUrls);
2908                 }
2909
2910                 if ($cat_id == "0" || !$cat_id) {
2911                         $cat_qpart = "NULL";
2912                 } else {
2913                         $cat_qpart = "'$cat_id'";
2914                 }
2915
2916                 $result = db_query($link,
2917                         "SELECT id FROM ttrss_feeds
2918                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
2919
2920                 if (db_num_rows($result) == 0) {
2921                         $result = db_query($link,
2922                                 "INSERT INTO ttrss_feeds
2923                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2924                                 VALUES ('".$_SESSION["uid"]."', '$url',
2925                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2926
2927                         $result = db_query($link,
2928                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
2929                                         AND owner_uid = " . $_SESSION["uid"]);
2930
2931                         $feed_id = db_fetch_result($result, 0, "id");
2932
2933                         if ($feed_id) {
2934                                 update_rss_feed($link, $feed_id, true);
2935                         }
2936
2937                         return 1;
2938                 } else {
2939                         return 0;
2940                 }
2941         }
2942
2943         function print_feed_select($link, $id, $default_id = "",
2944                 $attributes = "", $include_all_feeds = true) {
2945
2946                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2947                 if ($include_all_feeds) {
2948                         print "<option value=\"0\">".__('All feeds')."</option>";
2949                 }
2950
2951                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2952                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2953
2954                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2955                         print "<option disabled>--------</option>";
2956                 }
2957
2958                 while ($line = db_fetch_assoc($result)) {
2959                         if ($line["id"] == $default_id) {
2960                                 $is_selected = "selected=\"1\"";
2961                         } else {
2962                                 $is_selected = "";
2963                         }
2964
2965                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
2966
2967                         printf("<option $is_selected value='%d'>%s</option>",
2968                                 $line["id"], $title);
2969                 }
2970
2971                 print "</select>";
2972         }
2973
2974         function print_feed_cat_select($link, $id, $default_id = "",
2975                 $attributes = "", $include_all_cats = true) {
2976
2977                 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
2978
2979                 if ($include_all_cats) {
2980                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2981                 }
2982
2983                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2984                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2985
2986                 if (db_num_rows($result) > 0 && $include_all_cats) {
2987                         print "<option disabled=\"1\">--------</option>";
2988                 }
2989
2990                 while ($line = db_fetch_assoc($result)) {
2991                         if ($line["id"] == $default_id) {
2992                                 $is_selected = "selected=\"1\"";
2993                         } else {
2994                                 $is_selected = "";
2995                         }
2996
2997                         if ($line["title"])
2998                                 printf("<option $is_selected value='%d'>%s</option>",
2999                                         $line["id"], htmlspecialchars($line["title"]));
3000                 }
3001
3002 #               print "<option value=\"ADD_CAT\">" .__("Add category...") . "</option>";
3003
3004                 print "</select>";
3005         }
3006
3007         function checkbox_to_sql_bool($val) {
3008                 return ($val == "on") ? "true" : "false";
3009         }
3010
3011         function getFeedCatTitle($link, $id) {
3012                 if ($id == -1) {
3013                         return __("Special");
3014                 } else if ($id < -10) {
3015                         return __("Labels");
3016                 } else if ($id > 0) {
3017                         $result = db_query($link, "SELECT ttrss_feed_categories.title
3018                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
3019                                         cat_id = ttrss_feed_categories.id");
3020                         if (db_num_rows($result) == 1) {
3021                                 return db_fetch_result($result, 0, "title");
3022                         } else {
3023                                 return __("Uncategorized");
3024                         }
3025                 } else {
3026                         return "getFeedCatTitle($id) failed";
3027                 }
3028
3029         }
3030
3031         function getFeedIcon($id) {
3032                 switch ($id) {
3033                 case 0:
3034                         return "images/archive.png";
3035                         break;
3036                 case -1:
3037                         return "images/mark_set.png";
3038                         break;
3039                 case -2:
3040                         return "images/pub_set.png";
3041                         break;
3042                 case -3:
3043                         return "images/fresh.png";
3044                         break;
3045                 case -4:
3046                         return "images/tag.png";
3047                         break;
3048                 default:
3049                         if ($id < -10) {
3050                                 return "images/label.png";
3051                         } else {
3052                                 if (file_exists(ICONS_DIR . "/$id.ico"))
3053                                         return ICONS_URL . "/$id.ico";
3054                         }
3055                         break;
3056                 }
3057         }
3058
3059         function getFeedTitle($link, $id) {
3060                 if ($id == -1) {
3061                         return __("Starred articles");
3062                 } else if ($id == -2) {
3063                         return __("Published articles");
3064                 } else if ($id == -3) {
3065                         return __("Fresh articles");
3066                 } else if ($id == -4) {
3067                         return __("All articles");
3068                 } else if ($id === 0 || $id === "0") {
3069                         return __("Archived articles");
3070                 } else if ($id < -10) {
3071                         $label_id = -$id - 11;
3072                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
3073                         if (db_num_rows($result) == 1) {
3074                                 return db_fetch_result($result, 0, "caption");
3075                         } else {
3076                                 return "Unknown label ($label_id)";
3077                         }
3078
3079                 } else if ($id > 0) {
3080                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3081                         if (db_num_rows($result) == 1) {
3082                                 return db_fetch_result($result, 0, "title");
3083                         } else {
3084                                 return "Unknown feed ($id)";
3085                         }
3086                 } else {
3087                         return $id;
3088                 }
3089         }
3090
3091         function get_session_cookie_name() {
3092                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3093         }
3094
3095         function make_init_params($link) {
3096                 $params = array();
3097
3098                 $params["theme"] = get_user_theme($link);
3099                 $params["theme_options"] = get_user_theme_options($link);
3100                 $params["daemon_enabled"] = ENABLE_UPDATE_DAEMON;
3101
3102                 $params["sign_progress"] = theme_image($link, "images/indicator_white.gif");
3103                 $params["sign_progress_tiny"] = theme_image($link, "images/indicator_tiny.gif");
3104                 $params["sign_excl"] = theme_image($link, "images/sign_excl.png");
3105                 $params["sign_info"] = theme_image($link, "images/sign_info.png");
3106
3107                 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
3108                         "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
3109                         "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE", "DEFAULT_ARTICLE_LIMIT",
3110                         "HIDE_READ_SHOWS_SPECIAL", "HIDE_FEEDLIST", "COMBINED_DISPLAY_MODE") as $param) {
3111
3112                                  $params[strtolower($param)] = (int) get_pref($link, $param);
3113                  }
3114
3115                 $params["icons_url"] = ICONS_URL;
3116                 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
3117                 $params["default_view_mode"] = get_pref($link, "_DEFAULT_VIEW_MODE");
3118                 $params["default_view_limit"] = (int) get_pref($link, "_DEFAULT_VIEW_LIMIT");
3119                 $params["default_view_order_by"] = get_pref($link, "_DEFAULT_VIEW_ORDER_BY");
3120                 $params["prefs_active_tab"] = get_pref($link, "_PREFS_ACTIVE_TAB");
3121                 $params["infobox_disable_overlay"] = get_pref($link, "_INFOBOX_DISABLE_OVERLAY");
3122                 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
3123                 $params["offline_enabled"] = (int) get_pref($link, "ENABLE_OFFLINE_READING");
3124
3125                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3126                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3127
3128                 $num_feeds = db_fetch_result($result, 0, "cf");
3129
3130                 $params["num_feeds"] = (int) $num_feeds;
3131                 $params["collapsed_feedlist"] = (int) get_pref($link, "_COLLAPSED_FEEDLIST");
3132
3133                 return $params;
3134         }
3135
3136         function print_runtime_info($link) {
3137                 print "<runtime-info><![CDATA[";
3138                 print json_encode(make_runtime_info($link));
3139                 print "]]></runtime-info>";
3140         }
3141
3142         function make_runtime_info($link) {
3143                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3144                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3145
3146                 $num_feeds = db_fetch_result($result, 0, "cf");
3147
3148                 $data = array();
3149
3150                 $data['num_feeds'] = (int) $num_feeds;
3151                 $data['last_article_id'] = getLastArticleId($link);
3152                 $data['cdm_expanded'] = get_pref($link, 'CDM_EXPANDED');
3153
3154                 if (ENABLE_UPDATE_DAEMON) {
3155
3156                         $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
3157
3158                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3159
3160                                 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
3161
3162                                 if ($stamp) {
3163                                         $stamp_delta = time() - $stamp;
3164
3165                                         if ($stamp_delta > 1800) {
3166                                                 $stamp_check = 0;
3167                                         } else {
3168                                                 $stamp_check = 1;
3169                                                 $_SESSION["daemon_stamp_check"] = time();
3170                                         }
3171
3172                                         $data['daemon_stamp_ok'] = $stamp_check;
3173
3174                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3175
3176                                         $data['daemon_stamp'] = $stamp_fmt;
3177                                 }
3178                         }
3179                 }
3180
3181                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3182
3183                         if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3184                                 $new_version_details = @check_for_update($link);
3185
3186                                 $data['new_version_available'] = (int) $new_version_details != "";
3187
3188                                 $_SESSION["last_version_check"] = time();
3189                         }
3190                 }
3191
3192                 return $data;
3193         }
3194
3195         function getSearchSql($search, $match_on) {
3196
3197                 $search_query_part = "";
3198
3199                 $keywords = split(" ", $search);
3200                 $query_keywords = array();
3201
3202                 if ($match_on == "both") {
3203
3204                         foreach ($keywords as $k) {
3205                                 if (strpos($k, "-") === 0) {
3206                                         $k = substr($k, 1);
3207                                         $not = "NOT";
3208                                 } else {
3209                                         $not = "";
3210                                 }
3211
3212                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
3213                                         OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3214                         }
3215
3216                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3217
3218                 } else if ($match_on == "title") {
3219
3220                         foreach ($keywords as $k) {
3221                                 if (strpos($k, "-") === 0) {
3222                                         $k = substr($k, 1);
3223                                         $not = "NOT";
3224                                 } else {
3225                                         $not = "";
3226                                 }
3227
3228                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
3229                         }
3230
3231                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3232
3233                 } else if ($match_on == "content") {
3234
3235                         foreach ($keywords as $k) {
3236                                 if (strpos($k, "-") === 0) {
3237                                         $k = substr($k, 1);
3238                                         $not = "NOT";
3239                                 } else {
3240                                         $not = "";
3241                                 }
3242
3243                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3244                         }
3245                 }
3246
3247                 $search_query_part = implode("AND", $query_keywords);
3248
3249                 return $search_query_part;
3250         }
3251
3252         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3253
3254                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3255
3256                 $ext_tables_part = "";
3257
3258                         if ($search) {
3259
3260                                 if (SPHINX_ENABLED) {
3261                                         $ids = join(",", @sphinx_search($search, 0, 500));
3262
3263                                         if ($ids)
3264                                                 $search_query_part = "ref_id IN ($ids) AND ";
3265                                         else
3266                                                 $search_query_part = "ref_id = -1 AND ";
3267
3268                                 } else {
3269                                         $search_query_part = getSearchSql($search, $match_on);
3270                                         $search_query_part .= " AND ";
3271                                 }
3272
3273                         } else {
3274                                 $search_query_part = "";
3275                         }
3276
3277                         $view_query_part = "";
3278
3279                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3280                                 if ($search) {
3281                                         $view_query_part = " ";
3282                                 } else if ($feed != -1) {
3283                                         $unread = getFeedUnread($link, $feed, $cat_view);
3284                                         if ($unread > 0) {
3285                                                 $view_query_part = " unread = true AND ";
3286                                         }
3287                                 }
3288                         }
3289
3290                         if ($view_mode == "marked") {
3291                                 $view_query_part = " marked = true AND ";
3292                         }
3293
3294                         if ($view_mode == "published") {
3295                                 $view_query_part = " published = true AND ";
3296                         }
3297
3298                         if ($view_mode == "unread") {
3299                                 $view_query_part = " unread = true AND ";
3300                         }
3301
3302                         if ($view_mode == "updated") {
3303                                 $view_query_part = " (last_read is null and unread = false) AND ";
3304                         }
3305
3306                         if ($limit > 0) {
3307                                 $limit_query_part = "LIMIT " . $limit;
3308                         }
3309
3310                         $vfeed_query_part = "";
3311
3312                         // override query strategy and enable feed display when searching globally
3313                         if ($search && $search_mode == "all_feeds") {
3314                                 $query_strategy_part = "ttrss_entries.id > 0";
3315                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3316                         /* tags */
3317                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3318                                 $query_strategy_part = "ttrss_entries.id > 0";
3319                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3320                                         id = feed_id) as feed_title,";
3321                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
3322
3323                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3324
3325                                 $tmp_result = false;
3326
3327                                 if ($cat_view) {
3328                                         $tmp_result = db_query($link, "SELECT id
3329                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3330                                 } else {
3331                                         $tmp_result = db_query($link, "SELECT id
3332                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3333                                                         WHERE id = '$feed') AND id != '$feed'");
3334                                 }
3335
3336                                 $cat_siblings = array();
3337
3338                                 if (db_num_rows($tmp_result) > 0) {
3339                                         while ($p = db_fetch_assoc($tmp_result)) {
3340                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3341                                         }
3342
3343                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3344                                                 $feed, implode(" OR ", $cat_siblings));
3345
3346                                 } else {
3347                                         $query_strategy_part = "ttrss_entries.id > 0";
3348                                 }
3349
3350                         } else if ($feed > 0) {
3351
3352                                 if ($cat_view) {
3353
3354                                         if ($feed > 0) {
3355                                                 $query_strategy_part = "cat_id = '$feed'";
3356                                         } else {
3357                                                 $query_strategy_part = "cat_id IS NULL";
3358                                         }
3359
3360                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3361
3362                                 } else {
3363                                         $query_strategy_part = "feed_id = '$feed'";
3364                                 }
3365                         } else if ($feed == 0 && !$cat_view) { // archive virtual feed
3366                                 $query_strategy_part = "feed_id IS NULL";
3367                         } else if ($feed == 0 && $cat_view) { // uncategorized
3368                                 $query_strategy_part = "cat_id IS NULL";
3369                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3370                         } else if ($feed == -1) { // starred virtual feed
3371                                 $query_strategy_part = "marked = true";
3372                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3373                         } else if ($feed == -2) { // published virtual feed OR labels category
3374
3375                                 if (!$cat_view) {
3376                                         $query_strategy_part = "published = true";
3377                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3378                                 } else {
3379                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3380
3381                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3382
3383                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3384                                                 ttrss_user_labels2.article_id = ref_id";
3385
3386                                 }
3387
3388                         } else if ($feed == -3) { // fresh virtual feed
3389                                 $query_strategy_part = "unread = true";
3390
3391                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3392
3393                                 if (DB_TYPE == "pgsql") {
3394                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3395                                 } else {
3396                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3397                                 }
3398
3399                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3400                         } else if ($feed == -4) { // all articles virtual feed
3401                                 $query_strategy_part = "true";
3402                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3403                         } else if ($feed <= -10) { // labels
3404                                 $label_id = -$feed - 11;
3405
3406                                 $query_strategy_part = "label_id = '$label_id' AND
3407                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3408                                         ttrss_user_labels2.article_id = ref_id";
3409
3410                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3411                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3412
3413                         } else {
3414                                 $query_strategy_part = "id > 0"; // dumb
3415                         }
3416
3417                         if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3418                                 $date_sort_field = "updated";
3419                         } else {
3420                                 $date_sort_field = "date_entered";
3421                         }
3422
3423                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3424                                 $order_by = "$date_sort_field";
3425                         } else {
3426                                 $order_by = "$date_sort_field DESC";
3427                         }
3428
3429                         if ($view_mode != "noscores") {
3430                                 $order_by = "score DESC, $order_by";
3431                         }
3432
3433                         if ($override_order) {
3434                                 $order_by = $override_order;
3435                         }
3436
3437                         $feed_title = "";
3438
3439                         if ($search) {
3440                                 $feed_title = "Search results";
3441                         } else {
3442                                 if ($cat_view) {
3443                                         $feed_title = getCategoryTitle($link, $feed);
3444                                 } else {
3445                                         if ((int)$feed == $feed && $feed > 0) {
3446                                                 $result = db_query($link, "SELECT title,site_url,last_error
3447                                                         FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
3448
3449                                                 $feed_title = db_fetch_result($result, 0, "title");
3450                                                 $feed_site_url = db_fetch_result($result, 0, "site_url");
3451                                                 $last_error = db_fetch_result($result, 0, "last_error");
3452                                         } else {
3453                                                 $feed_title = getFeedTitle($link, $feed);
3454                                         }
3455                                 }
3456                         }
3457
3458                         $content_query_part = "content as content_preview,";
3459
3460                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3461
3462                                 if ($feed >= 0) {
3463                                         $feed_kind = "Feeds";
3464                                 } else {
3465                                         $feed_kind = "Labels";
3466                                 }
3467
3468                                 if ($limit_query_part) {
3469                                         $offset_query_part = "OFFSET $offset";
3470                                 }
3471
3472                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3473                                         if (!$override_order) {
3474                                                 $order_by = "ttrss_feeds.title, $order_by";
3475                                         }
3476                                 }
3477
3478                                 if ($feed != "0") {
3479                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
3480                                         $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
3481
3482                                 } else {
3483                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
3484                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
3485                                 }
3486
3487                                 $query = "SELECT DISTINCT
3488                                                 date_entered,
3489                                                 guid,
3490                                                 ttrss_entries.id,ttrss_entries.title,
3491                                                 updated,
3492                                                 note,
3493                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
3494                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3495                                                 $vfeed_query_part
3496                                                 $content_query_part
3497                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3498                                                 author,score
3499                                         FROM
3500                                                 $from_qpart
3501                                         WHERE
3502                                         $feed_check_qpart
3503                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3504                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3505                                         $search_query_part
3506                                         $view_query_part
3507                                         $query_strategy_part ORDER BY $order_by
3508                                         $limit_query_part $offset_query_part";
3509
3510                                 if ($_REQUEST["debug"]) print $query;
3511
3512                                 $result = db_query($link, $query);
3513
3514                         } else {
3515                                 // browsing by tag
3516
3517                                 $feed_kind = "Tags";
3518
3519                                 $result = db_query($link, "SELECT
3520                                         guid,
3521                                         note,
3522                                         ttrss_entries.id as id,title,
3523                                         updated,
3524                                         unread,feed_id,orig_feed_id,
3525                                         marked,link,last_read,
3526                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3527                                         $vfeed_query_part
3528                                         $content_query_part
3529                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3530                                         score
3531                                         FROM
3532                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3533                                         WHERE
3534                                                 ref_id = ttrss_entries.id AND
3535                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3536                                                 post_int_id = int_id AND tag_name = '$feed' AND
3537                                                 $view_query_part
3538                                                 $search_query_part
3539                                                 $query_strategy_part ORDER BY $order_by
3540                                         $limit_query_part");
3541                         }
3542
3543                         return array($result, $feed_title, $feed_site_url, $last_error);
3544
3545         }
3546
3547         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3548                 $limit, $search, $search_mode, $match_on, $view_mode = false) {
3549
3550                 $note_style =   "float : right; background-color : #fff7d5; border-width : 1px; ".
3551                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3552                         "margin-bottom : 1em; color : #9a8c59;";
3553
3554                 if (!$limit) $limit = 30;
3555
3556                 if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3557                         $date_sort_field = "updated";
3558                 } else {
3559                         $date_sort_field = "date_entered";
3560                 }
3561
3562                 $qfh_ret = queryFeedHeadlines($link, $feed,
3563                         $limit, $view_mode, $is_cat, $search, $search_mode,
3564                         $match_on, "$date_sort_field DESC", 0, $owner_uid);
3565
3566                 $result = $qfh_ret[0];
3567                 $feed_title = htmlspecialchars($qfh_ret[1]);
3568                 $feed_site_url = $qfh_ret[2];
3569                 $last_error = $qfh_ret[3];
3570
3571 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3572
3573                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3574                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3575                         <rss version=\"2.0\">
3576                         <channel>
3577                         <title>$feed_title</title>
3578                         <link>$feed_site_url</link>
3579                         <description>Feed generated by Tiny Tiny RSS</description>";
3580
3581                 while ($line = db_fetch_assoc($result)) {
3582                         print "<item>";
3583                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3584                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3585
3586                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3587
3588                         foreach ($tags as $tag) {
3589                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3590                         }
3591
3592                         $rfc822_date = date('r', strtotime($line["updated"]));
3593
3594                         print "<pubDate>$rfc822_date</pubDate>";
3595
3596                         if ($line["author"]) {
3597                                 print "<author>" . htmlspecialchars($line["author"]) . "</author>";
3598                         }
3599
3600                         print "<title><![CDATA[" .
3601                                 htmlspecialchars($line["title"]) . "]]></title>";
3602
3603                         print "<description><![CDATA[";
3604
3605                         if ($line["note"]) {
3606                                 print "<div style='$note_style'>";
3607                                 print $line["note"];
3608                                 print "</div>";
3609                         }
3610
3611                         print sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3612                         print "]]></description>";
3613
3614                         $enclosures = get_article_enclosures($link, $line["id"]);
3615
3616                         foreach ($enclosures as $e) {
3617                                 $type = htmlspecialchars($e['content_type']);
3618                                 $url = htmlspecialchars($e['content_url']);
3619                                 $length = $e['duration'];
3620                                 print "<enclosure url=\"$url\" type=\"$type\" length=\"$length\"/>";
3621                         }
3622
3623                         print "</item>";
3624                 }
3625
3626                 print "</channel></rss>";
3627
3628         }
3629
3630         function getCategoryTitle($link, $cat_id) {
3631
3632                 if ($cat_id == -1) {
3633                         return __("Special");
3634                 } else if ($cat_id == -2) {
3635                         return __("Labels");
3636                 } else {
3637
3638                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3639                                 id = '$cat_id'");
3640
3641                         if (db_num_rows($result) == 1) {
3642                                 return db_fetch_result($result, 0, "title");
3643                         } else {
3644                                 return "Uncategorized";
3645                         }
3646                 }
3647         }
3648
3649         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) {
3650                 global $purifier;
3651
3652                 if (!$owner) $owner = $_SESSION["uid"];
3653
3654                 $res = trim($str); if (!$res) return '';
3655
3656                 if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3657                         $res = $purifier->purify($res);
3658                 }
3659
3660                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3661                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3662                 }
3663
3664                 $charset_hack = '<head>
3665                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3666                 </head>';
3667
3668                 $res = trim($res); if (!$res) return '';
3669
3670                 libxml_use_internal_errors(true);
3671
3672                 $doc = new DOMDocument();
3673                 $doc->loadHTML($charset_hack . $res);
3674                 $xpath = new DOMXPath($doc);
3675
3676                 $entries = $xpath->query('(//a[@href]|//img[@src])');
3677                 $br_inserted = 0;
3678
3679                 foreach ($entries as $entry) {
3680
3681                         if ($site_url) {
3682
3683                                 if ($entry->hasAttribute('href'))
3684                                         $entry->setAttribute('href',
3685                                                 rewrite_relative_url($site_url, $entry->getAttribute('href')));
3686
3687                                 if ($entry->hasAttribute('src'))
3688                                         $entry->setAttribute('src',
3689                                                 rewrite_relative_url($site_url, $entry->getAttribute('src')));
3690                         }
3691
3692                         if (strtolower($entry->nodeName) == "a") {
3693                                 $entry->setAttribute("target", "_blank");
3694                         }
3695
3696                         if (strtolower($entry->nodeName) == "img" && !$br_inserted) {
3697                                 $br = $doc->createElement("br");
3698
3699                                 if ($entry->parentNode->nextSibling) {
3700                                         $entry->parentNode->insertBefore($br, $entry->nextSibling);
3701                                         $br_inserted = 1;
3702                                 }
3703
3704                         }
3705                 }
3706
3707                 $node = $doc->getElementsByTagName('body')->item(0);
3708
3709                 return $doc->saveXML($node);
3710         }
3711
3712         /**
3713          * Send by mail a digest of last articles.
3714          *
3715          * @param mixed $link The database connection.
3716          * @param integer $limit The maximum number of articles by digest.
3717          * @return boolean Return false if digests are not enabled.
3718          */
3719         function send_headlines_digests($link, $limit = 100) {
3720
3721                 if (!DIGEST_ENABLE) return false;
3722
3723                 $user_limit = DIGEST_EMAIL_LIMIT;
3724                 $days = 1;
3725
3726                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3727
3728                 if (DB_TYPE == "pgsql") {
3729                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3730                 } else if (DB_TYPE == "mysql") {
3731                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3732                 }
3733
3734                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3735                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3736
3737                 while ($line = db_fetch_assoc($result)) {
3738
3739                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3740                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3741
3742                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3743
3744                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3745                                 $digest = $tuple[0];
3746                                 $headlines_count = $tuple[1];
3747                                 $affected_ids = $tuple[2];
3748                                 $digest_text = $tuple[3];
3749
3750                                 if ($headlines_count > 0) {
3751
3752                                         $mail = new PHPMailer();
3753
3754                                         $mail->PluginDir = "lib/phpmailer/";
3755                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3756
3757                                         $mail->CharSet = "UTF-8";
3758
3759                                         $mail->From = DIGEST_FROM_ADDRESS;
3760                                         $mail->FromName = DIGEST_FROM_NAME;
3761                                         $mail->AddAddress($line["email"], $line["login"]);
3762
3763                                         if (DIGEST_SMTP_HOST) {
3764                                                 $mail->Host = DIGEST_SMTP_HOST;
3765                                                 $mail->Mailer = "smtp";
3766                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3767                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3768                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3769                                         }
3770
3771                                         $mail->IsHTML(true);
3772                                         $mail->Subject = DIGEST_SUBJECT;
3773                                         $mail->Body = $digest;
3774                                         $mail->AltBody = $digest_text;
3775
3776                                         $rc = $mail->Send();
3777
3778                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3779
3780                                         print "RC=$rc\n";
3781
3782                                         if ($rc && $do_catchup) {
3783                                                 print "Marking affected articles as read...\n";
3784                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3785                                         }
3786                                 } else {
3787                                         print "No headlines\n";
3788                                 }
3789
3790                                 db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3791                                         WHERE id = " . $line["id"]);
3792                         }
3793                 }
3794
3795                 print "All done.\n";
3796
3797         }
3798
3799         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3800
3801                 require_once "lib/MiniTemplator.class.php";
3802
3803                 $tpl = new MiniTemplator;
3804                 $tpl_t = new MiniTemplator;
3805
3806                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3807                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3808
3809                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3810                 $tpl->setVariable('CUR_TIME', date('G:i'));
3811
3812                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3813                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3814
3815                 $affected_ids = array();
3816
3817                 if (DB_TYPE == "pgsql") {
3818                         $interval_query = "ttrss_entries.date_updated > NOW() - INTERVAL '$days days'";
3819                 } else if (DB_TYPE == "mysql") {
3820                         $interval_query = "ttrss_entries.date_updated > DATE_SUB(NOW(), INTERVAL $days DAY)";
3821                 }
3822
3823                 $result = db_query($link, "SELECT ttrss_entries.title,
3824                                 ttrss_feeds.title AS feed_title,
3825                                 date_updated,
3826                                 ttrss_user_entries.ref_id,
3827                                 link,
3828                                 SUBSTRING(content, 1, 120) AS excerpt,
3829                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3830                         FROM
3831                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3832                         WHERE
3833                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3834                                 AND include_in_digest = true
3835                                 AND $interval_query
3836                                 AND ttrss_user_entries.owner_uid = $user_id
3837                                 AND unread = true
3838                         ORDER BY ttrss_feeds.title, date_updated DESC
3839                         LIMIT $limit");
3840
3841                 $cur_feed_title = "";
3842
3843                 $headlines_count = db_num_rows($result);
3844
3845                 $headlines = array();
3846
3847                 while ($line = db_fetch_assoc($result)) {
3848                         array_push($headlines, $line);
3849                 }
3850
3851                 for ($i = 0; $i < sizeof($headlines); $i++) {
3852
3853                         $line = $headlines[$i];
3854
3855                         array_push($affected_ids, $line["ref_id"]);
3856
3857                         $updated = make_local_datetime($link, $line['last_updated'], false,
3858                                 $user_id);
3859
3860                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3861                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3862                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3863                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3864                         $tpl->setVariable('ARTICLE_EXCERPT',
3865                                 truncate_string(strip_tags($line["excerpt"]), 100));
3866
3867                         $tpl->addBlock('article');
3868
3869                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3870                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3871                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3872                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3873 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3874 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3875
3876                         $tpl_t->addBlock('article');
3877
3878                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3879                                 $tpl->addBlock('feed');
3880                                 $tpl_t->addBlock('feed');
3881                         }
3882
3883                 }
3884
3885                 $tpl->addBlock('digest');
3886                 $tpl->generateOutputToString($tmp);
3887
3888                 $tpl_t->addBlock('digest');
3889                 $tpl_t->generateOutputToString($tmp_t);
3890
3891                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3892         }
3893
3894         function check_for_update($link) {
3895                 $releases_feed = "http://tt-rss.org/releases.rss";
3896
3897                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3898                         return;
3899                 }
3900
3901                 if (DEFAULT_UPDATE_METHOD == "1") {
3902                         $rss = new SimplePie();
3903                         $rss->set_useragent(SELF_USER_AGENT);
3904                         $rss->set_feed_url($fetch_url);
3905                         $rss->set_output_encoding('UTF-8');
3906                         $rss->init();
3907                 } else {
3908                         $rss = fetch_rss($releases_feed);
3909                 }
3910
3911                 if ($rss) {
3912
3913                         if (DEFAULT_UPDATE_METHOD == "1") {
3914                                 $items = $rss->get_items();
3915                         } else {
3916                                 $items = $rss->items;
3917
3918                                 if (!$items || !is_array($items)) $items = $rss->entries;
3919                                 if (!$items || !is_array($items)) $items = $rss;
3920                         }
3921
3922                         if (!is_array($items) || count($items) == 0) {
3923                                 return;
3924                         }
3925
3926                         $latest_item = $items[0];
3927
3928                         if (DEFAULT_UPDATE_METHOD == "1") {
3929                                 $last_title = $latest_item->get_title();
3930                         } else {
3931                                 $last_title = $latest_item["title"];
3932                         }
3933
3934                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3935
3936                         if (DEFAULT_UPDATE_METHOD == "1") {
3937                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3938                                 $content = sanitize_rss($link, $latest_item->get_description());
3939                         } else {
3940                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3941                                 $content = sanitize_rss($link, $latest_item["description"]);
3942                         }
3943
3944                         if (version_compare(VERSION, $latest_version) == -1) {
3945                                 return sprintf("New version of Tiny-Tiny RSS (%s) is available:",
3946                                         $latest_version)."<div class='milestoneDetails'>$content</div>";
3947                         } else {
3948                                 return false;
3949                         }
3950                 }
3951         }
3952
3953         function markArticlesById($link, $ids, $cmode) {
3954
3955                 $tmp_ids = array();
3956
3957                 foreach ($ids as $id) {
3958                         array_push($tmp_ids, "ref_id = '$id'");
3959                 }
3960
3961                 $ids_qpart = join(" OR ", $tmp_ids);
3962
3963                 if ($cmode == 0) {
3964                         db_query($link, "UPDATE ttrss_user_entries SET
3965                         marked = false,last_read = NOW()
3966                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3967                 } else if ($cmode == 1) {
3968                         db_query($link, "UPDATE ttrss_user_entries SET
3969                         marked = true
3970                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3971                 } else {
3972                         db_query($link, "UPDATE ttrss_user_entries SET
3973                         marked = NOT marked,last_read = NOW()
3974                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3975                 }
3976         }
3977
3978         function publishArticlesById($link, $ids, $cmode) {
3979
3980                 $tmp_ids = array();
3981
3982                 foreach ($ids as $id) {
3983                         array_push($tmp_ids, "ref_id = '$id'");
3984                 }
3985
3986                 $ids_qpart = join(" OR ", $tmp_ids);
3987
3988                 if ($cmode == 0) {
3989                         db_query($link, "UPDATE ttrss_user_entries SET
3990                         published = false,last_read = NOW()
3991                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3992                 } else if ($cmode == 1) {
3993                         db_query($link, "UPDATE ttrss_user_entries SET
3994                         published = true
3995                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3996                 } else {
3997                         db_query($link, "UPDATE ttrss_user_entries SET
3998                         published = NOT published,last_read = NOW()
3999                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4000                 }
4001         }
4002
4003         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
4004
4005                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4006                 if (count($ids) == 0) return;
4007
4008                 $tmp_ids = array();
4009
4010                 foreach ($ids as $id) {
4011                         array_push($tmp_ids, "ref_id = '$id'");
4012                 }
4013
4014                 $ids_qpart = join(" OR ", $tmp_ids);
4015
4016                 if ($cmode == 0) {
4017                         db_query($link, "UPDATE ttrss_user_entries SET
4018                         unread = false,last_read = NOW()
4019                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4020                 } else if ($cmode == 1) {
4021                         db_query($link, "UPDATE ttrss_user_entries SET
4022                         unread = true
4023                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4024                 } else {
4025                         db_query($link, "UPDATE ttrss_user_entries SET
4026                         unread = NOT unread,last_read = NOW()
4027                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4028                 }
4029
4030                 /* update ccache */
4031
4032                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
4033                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4034
4035                 while ($line = db_fetch_assoc($result)) {
4036                         ccache_update($link, $line["feed_id"], $owner_uid);
4037                 }
4038         }
4039
4040         function catchupArticleById($link, $id, $cmode) {
4041
4042                 if ($cmode == 0) {
4043                         db_query($link, "UPDATE ttrss_user_entries SET
4044                         unread = false,last_read = NOW()
4045                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4046                 } else if ($cmode == 1) {
4047                         db_query($link, "UPDATE ttrss_user_entries SET
4048                         unread = true
4049                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4050                 } else {
4051                         db_query($link, "UPDATE ttrss_user_entries SET
4052                         unread = NOT unread,last_read = NOW()
4053                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4054                 }
4055
4056                 $feed_id = getArticleFeed($link, $id);
4057                 ccache_update($link, $feed_id, $_SESSION["uid"]);
4058         }
4059
4060         function make_guid_from_title($title) {
4061                 return preg_replace("/[ \"\',.:;]/", "-",
4062                         mb_strtolower(strip_tags($title), 'utf-8'));
4063         }
4064
4065         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4066                         $feed_id, $is_cat, $search, $match_on,
4067                         $search_mode, $view_mode) {
4068
4069                         $page_prev_link = "viewFeedGoPage(-1)";
4070                         $page_next_link = "viewFeedGoPage(1)";
4071                         $page_first_link = "viewFeedGoPage(0)";
4072
4073                         $catchup_page_link = "catchupPage()";
4074                         $catchup_feed_link = "catchupCurrentFeed()";
4075                         $catchup_sel_link = "catchupSelection()";
4076
4077                         $archive_sel_link = "archiveSelection()";
4078                         $delete_sel_link = "deleteSelection()";
4079
4080                         $sel_all_link = "selectArticles('all')";
4081                         $sel_unread_link = "selectArticles('unread')";
4082                         $sel_none_link = "selectArticles('none')";
4083                         $sel_inv_link = "selectArticles('invert')";
4084
4085                         $tog_unread_link = "selectionToggleUnread()";
4086                         $tog_marked_link = "selectionToggleMarked()";
4087                         $tog_published_link = "selectionTogglePublished()";
4088
4089                         print "<div id=\"subtoolbar_main\">";
4090
4091                         print __('Select:')."
4092                                 <a href=\"#\" onclick=\"$sel_all_link\">".__('All')."</a>,
4093                                 <a href=\"#\" onclick=\"$sel_unread_link\">".__('Unread')."</a>,
4094                                 <a href=\"#\" onclick=\"$sel_inv_link\">".__('Invert')."</a>,
4095                                 <a href=\"#\" onclick=\"$sel_none_link\">".__('None')."</a></li>";
4096
4097                         print " ";
4098
4099                         print "<select dojoType=\"dijit.form.Select\"
4100                                 onchange=\"headlineActionsChange(this)\">";
4101                         print "<option value=\"false\">".__('Actions...')."</option>";
4102
4103                         print "<option value=\"0\" disabled=\"1\">".__('Selection toggle:')."</option>";
4104
4105                         print "<option value=\"$tog_unread_link\">".__('Unread')."</option>
4106                                 <option value=\"$tog_marked_link\">".__('Starred')."</option>
4107                                 <option value=\"$tog_published_link\">".__('Published')."</option>";
4108
4109                         print "<option value=\"0\" disabled=\"1\">".__('Selection:')."</option>";
4110
4111                         print "<option value=\"$catchup_sel_link\">".__('Mark as read')."</option>";
4112
4113                         if ($feed_id != "0") {
4114                                 print "<option value=\"$archive_sel_link\">".__('Archive')."</option>";
4115                         } else {
4116                                 print "<option value=\"$archive_sel_link\">".__('Move back')."</option>";
4117                                 print "<option value=\"$delete_sel_link\">".__('Delete')."</option>";
4118
4119                         }
4120
4121                         print "<option value=\"emailArticle(false)\">".__('Forward by email').
4122                                 "</option>";
4123
4124                         $rss_link = htmlspecialchars(get_self_url_prefix() .
4125                                 "/backend.php?op=rss&id=$feed_id&is_cat=$is_cat$view_mode$search_q");
4126
4127                         print "<option value=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">".__('View as RSS')."</option>";
4128
4129                         print "</select>";
4130
4131                         print "</div>";
4132
4133                         print "<div id=\"subtoolbar_ftitle\">";
4134
4135                         if ($feed_site_url) {
4136                                 $target = "target=\"_blank\"";
4137                                 print "<a title=\"".__("Visit the website")."\" $target href=\"$feed_site_url\">".
4138                                         truncate_string($feed_title,30)."</a>";
4139                         } else {
4140                                 if ($feed_id < -10) {
4141                                         $label_id = -11-$feed_id;
4142
4143                                         $result = db_query($link, "SELECT fg_color, bg_color
4144                                                 FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
4145                                                 $_SESSION["uid"]);
4146
4147                                         if (db_num_rows($result) != 0) {
4148                                                 $fg_color = db_fetch_result($result, 0, "fg_color");
4149                                                 $bg_color = db_fetch_result($result, 0, "bg_color");
4150
4151                                                 print "<span style='background : $bg_color; color : $fg_color'>";
4152                                                 print $feed_title;
4153                                                 print "</span>";
4154                                         } else {
4155                                                 print $feed_title;
4156                                         }
4157
4158                                 } else {
4159                                         print $feed_title;
4160                                 }
4161                         }
4162
4163                         if ($search) {
4164                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4165                         } else {
4166                                 $search_q = "";
4167                         }
4168
4169                         // Adaptive doesn't really make any sense for generated feeds
4170                         // All Articles is the default, so no need to insert it either
4171                         if ($view_mode == "adaptive" || $view_mode == "all_articles")
4172                                 $view_mode = "";
4173                         else
4174                                 $view_mode = "&view-mode=$view_mode";
4175
4176                         print "
4177                                 <a href=\"#\"
4178                                         title=\"".__("View as RSS feed")."\"
4179                                         onclick=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">
4180                                         <img class=\"noborder\" style=\"vertical-align : middle\" src=\"images/feed-icon-12x12.png\"></a>";
4181
4182                         print "</div>";
4183
4184                 }
4185
4186         function outputFeedList($link, $special = true) {
4187
4188                 $feedlist = array();
4189
4190                 $enable_cats = get_pref($link, 'ENABLE_FEED_CATS');
4191
4192                 $feedlist['identifier'] = 'id';
4193                 $feedlist['label'] = 'name';
4194                 $feedlist['items'] = array();
4195
4196                 $owner_uid = $_SESSION["uid"];
4197
4198                 /* virtual feeds */
4199
4200                 if ($special) {
4201
4202                         if ($enable_cats) {
4203                                 $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4204                                 $cat = feedlist_init_cat($link, -1, $cat_hidden);
4205                         } else {
4206                                 $cat['items'] = array();
4207                         }
4208
4209                         foreach (array(-4, -3, -1, -2, 0) as $i) {
4210                                 array_push($cat['items'], feedlist_init_feed($link, $i));
4211                         }
4212
4213                         if ($enable_cats) {
4214                                 array_push($feedlist['items'], $cat);
4215                         } else {
4216                                 $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4217                         }
4218
4219                         $result = db_query($link, "SELECT * FROM
4220                                 ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4221
4222                         if (db_num_rows($result) > 0) {
4223
4224                                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4225                                         $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
4226                                         $cat = feedlist_init_cat($link, -2, $cat_hidden);
4227                                 } else {
4228                                         $cat['items'] = array();
4229                                 }
4230
4231                                 while ($line = db_fetch_assoc($result)) {
4232
4233                                         $label_id = -$line['id'] - 11;
4234                                         $count = getFeedUnread($link, $label_id);
4235
4236                                         $feed = feedlist_init_feed($link, $label_id, false, $count);
4237
4238                                         $feed['fg_color'] = $line['fg_color'];
4239                                         $feed['bg_color'] = $line['bg_color'];
4240
4241                                         array_push($cat['items'], $feed);
4242                                 }
4243
4244                                 if ($enable_cats) {
4245                                         array_push($feedlist['items'], $cat);
4246                                 } else {
4247                                         $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4248                                 }
4249                         }
4250                 }
4251
4252 /*              if (get_pref($link, 'ENABLE_FEED_CATS')) {
4253                         if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4254                                 $order_by_qpart = "order_id,category,unread DESC,title";
4255                         } else {
4256                                 $order_by_qpart = "order_id,category,title";
4257                         }
4258                 } else {
4259                         if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4260                                 $order_by_qpart = "unread DESC,title";
4261                         } else {
4262                                 $order_by_qpart = "title";
4263                         }
4264                 } */
4265
4266                 /* real feeds */
4267
4268                 if ($enable_cats)
4269                         $order_by_qpart = "ttrss_feed_categories.order_id,category,
4270                                 ttrss_feeds.order_id,title";
4271                 else
4272                         $order_by_qpart = "title";
4273
4274                 $age_qpart = getMaxAgeSubquery();
4275
4276                 $query = "SELECT ttrss_feeds.id, ttrss_feeds.title,
4277                         ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4278                         cat_id,last_error,
4279                         ttrss_feed_categories.title AS category,
4280                         ttrss_feed_categories.collapsed,
4281                         value AS unread
4282                         FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4283                                 ON (ttrss_feed_categories.id = cat_id)
4284                         LEFT JOIN ttrss_counters_cache
4285                                 ON
4286                                         (ttrss_feeds.id = feed_id)
4287                         WHERE
4288                                 ttrss_feeds.owner_uid = '$owner_uid'
4289                         ORDER BY $order_by_qpart";
4290
4291                 $result = db_query($link, $query);
4292
4293                 $actid = $_REQUEST["actid"];
4294
4295                 if (db_num_rows($result) > 0) {
4296
4297                         $category = "";
4298
4299                         if (!$enable_cats)
4300                                 $cat['items'] = array();
4301                         else
4302                                 $cat = false;
4303
4304                         while ($line = db_fetch_assoc($result)) {
4305
4306                                 $feed = htmlspecialchars(trim($line["title"]));
4307
4308                                 if (!$feed) $feed = "[Untitled]";
4309
4310                                 $feed_id = $line["id"];
4311                                 $unread = $line["unread"];
4312
4313                                 $cat_id = $line["cat_id"];
4314                                 $tmp_category = $line["category"];
4315                                 if (!$tmp_category) $tmp_category = __("Uncategorized");
4316
4317                                 if ($category != $tmp_category && $enable_cats) {
4318
4319                                         $category = $tmp_category;
4320
4321                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4322
4323                                         // workaround for NULL category
4324                                         if ($category == __("Uncategorized")) {
4325                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4326                                         }
4327
4328                                         if ($cat) array_push($feedlist['items'], $cat);
4329
4330                                         $cat = feedlist_init_cat($link, $cat_id, $collapsed);
4331                                 }
4332
4333                                 $updated = make_local_datetime($link, $line["updated_noms"], false);
4334
4335                                 array_push($cat['items'], feedlist_init_feed($link, $feed_id,
4336                                         $feed, $unread, $line['last_error'], $updated));
4337                         }
4338
4339                         if ($enable_cats) {
4340                                 array_push($feedlist['items'], $cat);
4341                         } else {
4342                                 $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4343                         }
4344
4345                 }
4346
4347                 return $feedlist;
4348         }
4349
4350         function get_article_tags($link, $id, $owner_uid = 0) {
4351
4352                 global $memcache;
4353
4354                 $a_id = db_escape_string($id);
4355
4356                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4357
4358                 $query = "SELECT DISTINCT tag_name,
4359                         owner_uid as owner FROM
4360                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4361                         ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
4362
4363                 $obj_id = md5("TAGS:$owner_uid:$id");
4364                 $tags = array();
4365
4366                 if ($memcache && $obj = $memcache->get($obj_id)) {
4367                         $tags = $obj;
4368                 } else {
4369                         /* check cache first */
4370
4371                         $result = db_query($link, "SELECT tag_cache FROM ttrss_user_entries
4372                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4373
4374                         $tag_cache = db_fetch_result($result, 0, "tag_cache");
4375
4376                         if ($tag_cache) {
4377                                 $tags = explode(",", $tag_cache);
4378                         } else {
4379
4380                                 /* do it the hard way */
4381
4382                                 $tmp_result = db_query($link, $query);
4383
4384                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4385                                         array_push($tags, $tmp_line["tag_name"]);
4386                                 }
4387
4388                                 /* update the cache */
4389
4390                                 $tags_str = db_escape_string(join(",", $tags));
4391
4392                                 db_query($link, "UPDATE ttrss_user_entries
4393                                         SET tag_cache = '$tags_str' WHERE ref_id = '$id'
4394                                         AND owner_uid = " . $_SESSION["uid"]);
4395                         }
4396
4397                         if ($memcache) $memcache->add($obj_id, $tags, 0, 3600);
4398                 }
4399
4400                 return $tags;
4401         }
4402
4403         function trim_value(&$value) {
4404                 $value = trim($value);
4405         }
4406
4407         function trim_array($array) {
4408                 $tmp = $array;
4409                 array_walk($tmp, 'trim_value');
4410                 return $tmp;
4411         }
4412
4413         function tag_is_valid($tag) {
4414                 if ($tag == '') return false;
4415                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4416                 if (mb_strlen($tag) > 250) return false;
4417
4418                 if (function_exists('iconv')) {
4419                         $tag = iconv("utf-8", "utf-8", $tag);
4420                 }
4421
4422                 if (!$tag) return false;
4423
4424                 return true;
4425         }
4426
4427         function render_login_form($link, $mobile = 0) {
4428                 switch ($mobile) {
4429                 case 0:
4430                         require_once "login_form.php";
4431                         break;
4432                 case 1:
4433                         require_once "mobile/login_form.php";
4434                         break;
4435                 case 2:
4436                         require_once "mobile/classic/login_form.php";
4437                 }
4438         }
4439
4440         // from http://developer.apple.com/internet/safari/faq.html
4441         function no_cache_incantation() {
4442                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4443                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4444                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4445                 header("Cache-Control: post-check=0, pre-check=0", false);
4446                 header("Pragma: no-cache"); // HTTP/1.0
4447         }
4448
4449         function format_warning($msg, $id = "") {
4450                 global $link;
4451                 return "<div class=\"warning\" id=\"$id\">
4452                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4453         }
4454
4455         function format_notice($msg) {
4456                 global $link;
4457                 return "<div class=\"notice\" id=\"$id\">
4458                         <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
4459         }
4460
4461         function format_error($msg) {
4462                 global $link;
4463                 return "<div class=\"error\" id=\"$id\">
4464                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4465         }
4466
4467         function print_notice($msg) {
4468                 return print format_notice($msg);
4469         }
4470
4471         function print_warning($msg) {
4472                 return print format_warning($msg);
4473         }
4474
4475         function print_error($msg) {
4476                 return print format_error($msg);
4477         }
4478
4479
4480         function T_sprintf() {
4481                 $args = func_get_args();
4482                 return vsprintf(__(array_shift($args)), $args);
4483         }
4484
4485         function format_inline_player($link, $url, $ctype) {
4486
4487                 $entry = "";
4488
4489                 if (($ctype == __("audio/mpeg")) &&  (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4490
4491                         $entry .= "<object type=\"application/x-shockwave-flash\"
4492                                 data=\"extras/button/musicplayer.swf?song_url=$url\"
4493                                 width=\"17\" height=\"17\">
4494                                         <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object>";
4495                 }
4496
4497                 /*
4498
4499                 if (substr($ctype,0,6)=="audio/" || $ctype=="application/ogg" || $ctype=="application/x-ogg") {
4500                         $entry .= "<audio controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4501                         if (($ctype == __("audio/mpeg")) &&
4502                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4503                                 $entry .= "<span><object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object></span>";
4504                         }
4505                         $entry .= "</audio> ";
4506                         if (($ctype == __("audio/mpeg")) &&
4507                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4508                                 $entry .= "<a id='switchToFlashLink' href='#' onclick='return switchToFlash(this)'>".__('Switch to Flash Player')."</a>";
4509                                 $entry .= "<script type='text/javascript'>html5AudioOrFlash('$ctype');</script>";
4510                         }
4511                 } elseif (substr($ctype,0,6)=="video/") {
4512                         $entry .= "<video controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4513                         $entry .= "</video>";
4514                 } */
4515
4516
4517
4518                 return $entry;
4519         }
4520
4521         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4522                 $zoom_mode = false) {
4523
4524                 /* we can figure out feed_id from article id anyway, why do we
4525                  * pass feed_id here? let's ignore the argument :( */
4526
4527                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4528                         WHERE ref_id = '$id'");
4529
4530                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4531
4532                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4533
4534                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4535                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4536
4537                 if (db_num_rows($result) == 1) {
4538                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4539                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4540                 } else {
4541                         $rtl_content = false;
4542                         $always_display_enclosures = false;
4543                 }
4544
4545                 if ($rtl_content) {
4546                         $rtl_tag = "dir=\"RTL\"";
4547                         $rtl_class = "RTL";
4548                 } else {
4549                         $rtl_tag = "";
4550                         $rtl_class = "";
4551                 }
4552
4553                 if ($mark_as_read) {
4554                         $result = db_query($link, "UPDATE ttrss_user_entries
4555                                 SET unread = false,last_read = NOW()
4556                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4557
4558                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4559                 }
4560
4561                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4562                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4563                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4564                         (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
4565                         num_comments,
4566                         author,
4567                         orig_feed_id,
4568                         note
4569                         FROM ttrss_entries,ttrss_user_entries
4570                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4571
4572                 if ($result) {
4573
4574                         $line = db_fetch_assoc($result);
4575
4576                         if ($line["icon_url"]) {
4577                                 $feed_icon = "<img src=\"" . $line["icon_url"] . "\">";
4578                         } else {
4579                                 $feed_icon = "&nbsp;";
4580                         }
4581
4582                         $feed_site_url = $line['site_url'];
4583
4584                         $num_comments = $line["num_comments"];
4585                         $entry_comments = "";
4586
4587                         if ($num_comments > 0) {
4588                                 if ($line["comments"]) {
4589                                         $comments_url = $line["comments"];
4590                                 } else {
4591                                         $comments_url = $line["link"];
4592                                 }
4593                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
4594                         } else {
4595                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4596                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
4597                                 }
4598                         }
4599
4600                         if ($zoom_mode) {
4601                                 header("Content-Type: text/html");
4602                                 print "<html><head>
4603                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4604                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4605                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4606                                         </head><body>";
4607                         }
4608
4609                         print "<div id=\"PTITLE-$id\" style=\"display : none\">" .
4610                                 truncate_string(strip_tags($line['title']), 15) . "</div>";
4611
4612                         print "<div class=\"postReply\" id=\"POST-$id\">";
4613
4614                         /* print "<div dojoType=\"dijit.Menu\" style=\"display: none;\"
4615                                 targetNodeIds=\"POSTHDR-$id\">";
4616                         print "<div onclick=\"postOpenInNewTab(event, $id)\"
4617                                 dojoType=\"dijit.MenuItem\">".__('View in a new tab')."</div>";
4618                         print "<div dojoType=\"dijit.MenuSeparator\"></div>";
4619                         print "<div onclick=\"openArticleInNewWindow($id)\"
4620                                 dojoType=\"dijit.MenuItem\">".__('Open original article')."</div>";
4621                         print "</div>"; */
4622
4623                         print "<div onclick=\"return postClicked(event, $id)\"
4624                                 class=\"postHeader\" id=\"POSTHDR-$id\">";
4625
4626                         $entry_author = $line["author"];
4627
4628                         if ($entry_author) {
4629                                 $entry_author = __(" - ") . $entry_author;
4630                         }
4631
4632                         $parsed_updated = make_local_datetime($link, $line["updated"], true,
4633                                 false, true);
4634
4635                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4636
4637                         if ($line["link"]) {
4638                                 print "<div clear='both'><a target='_blank' href=\"" .
4639                                         $line["link"] . "\">" .
4640                                         $line["title"] . "<span class='author'>$entry_author</span></a></div>";
4641                         } else {
4642                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4643                         }
4644
4645                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4646
4647                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4648
4649                         print "<div style='float : right'>
4650                                 <img src='".theme_image($link, 'images/tag.png')."'
4651                                 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4652
4653                         if (!$zoom_mode) {
4654                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4655                                         <a title=\"".__('Edit tags for this article')."\"
4656                                         href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
4657
4658                                 print "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
4659                                                 class='tagsPic' style=\"cursor : pointer\"
4660                                                 onclick=\"postOpenInNewTab(event, $id)\"
4661                                                 alt='Zoom' title='".__('Open article in new tab')."'>";
4662
4663                                 $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4664
4665                                 print "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\"
4666                                                 class='tagsPic' style=\"cursor : pointer\"
4667                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
4668                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
4669
4670                                 if (DIGEST_ENABLE) {
4671                                         print "<img src=\"".theme_image($link, 'images/art-email.png')."\"
4672                                                 class='tagsPic' style=\"cursor : pointer\"
4673                                                 onclick=\"emailArticle($id)\"
4674                                                 alt='Zoom' title='".__('Forward by email')."'>";
4675                                 }
4676
4677                                 print "<img src=\"".theme_image($link, 'images/digest_checkbox.png')."\"
4678                                                 class='tagsPic' style=\"cursor : pointer\"
4679                                                 onclick=\"closeArticlePanel($id)\"
4680                                                 alt='Zoom' title='".__('Close this panel')."'>";
4681
4682                         } else {
4683                                 $tags_str = strip_tags($tags_str);
4684                                 print "<span id=\"ATSTR-$id\">$tags_str</span>";
4685                         }
4686                         print "</div>";
4687                         print "<div clear='both'>$entry_comments</div>";
4688
4689                         if ($line["orig_feed_id"]) {
4690
4691                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
4692                                         WHERE id = ".$line["orig_feed_id"]);
4693
4694                                 if (db_num_rows($tmp_result) != 0) {
4695
4696                                         print "<div clear='both'>";
4697                                         print __("Originally from:");
4698
4699                                         print "&nbsp;";
4700
4701                                         $tmp_line = db_fetch_assoc($tmp_result);
4702
4703                                         print "<a target='_blank'
4704                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
4705                                                 $tmp_line['title'] . "</a>";
4706
4707                                         print "&nbsp;";
4708
4709                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
4710                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
4711
4712                                         print "</div>";
4713                                 }
4714                         }
4715
4716                         print "</div>";
4717
4718                         print "<div class=\"postIcon\">" .
4719                                 "<a target=\"_blank\" title=\"".__("Visit the website")."\"$
4720                                 href=\"".htmlspecialchars($feed_site_url)."\">".
4721                                 $feed_icon . "</a></div>";
4722
4723                         print "<div class=\"postContent\">";
4724
4725                         $article_content = sanitize_rss($link, $line["content"], false, false,
4726                                 $feed_site_url);
4727
4728                         print "<div id=\"POSTNOTE-$id\">";
4729                                 if ($line['note']) {
4730                                         print format_article_note($id, $line['note']);
4731                                 }
4732                         print "</div>";
4733
4734                         print $article_content;
4735
4736                         print_article_enclosures($link, $id, $always_display_enclosures,
4737                                 $article_content);
4738
4739                         $short_title = truncate_string(strip_tags($line['title']), 90);
4740
4741                         print "<a href=\"http://twitter.com/share\"
4742                                 class=\"twitter-share-button\"
4743                                 data-text=\"$short_title\"
4744                                 data-url=\"".htmlspecialchars($line["link"])."\"
4745                                 data-count=\"horizontal\">Tweet</a>";
4746
4747                         print "</div>";
4748
4749                         print "</div>";
4750
4751                 }
4752
4753                 if (!$zoom_mode) {
4754                         print "]]></article>";
4755                 } else {
4756                         print "
4757                                 <div style=\"text-align : center\">
4758                                 <button onclick=\"return window.close()\">".
4759                                         __("Close this window")."</button></div>";
4760                         print "</body></html>";
4761
4762                 }
4763
4764         }
4765
4766         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4767                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4768                                         $override_order = false) {
4769
4770                 $disable_cache = false;
4771
4772                 $timing_info = getmicrotime();
4773
4774                 $topmost_article_ids = array();
4775
4776                 if (!$offset) {
4777                         $offset = 0;
4778                 }
4779
4780                 if ($subop == "undefined") $subop = "";
4781
4782                 $subop_split = split(":", $subop);
4783
4784                 if ($subop == "CatchupSelected") {
4785                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
4786                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
4787
4788                         catchupArticlesById($link, $ids, $cmode);
4789                 }
4790
4791                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0 && !$cat_view) {
4792                         update_generic_feed($link, $feed, $cat_view, true);
4793                 }
4794
4795                 if ($subop == "MarkAllRead")  {
4796                         catchup_feed($link, $feed, $cat_view);
4797
4798                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4799                                 if ($next_unread_feed) {
4800                                         $feed = $next_unread_feed;
4801                                 }
4802                         }
4803                 }
4804
4805                 if ($subop_split[0] == "MarkAllReadGR")  {
4806                         catchup_feed($link, $subop_split[1], false);
4807                 }
4808
4809                 // FIXME: might break tag display?
4810
4811                 if ($feed > 0 && !$cat_view) {
4812                         $result = db_query($link,
4813                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4814
4815                         if (db_num_rows($result) == 0) {
4816                                 print "<div align='center'>".__('Feed not found.')."</div>";
4817                                 return;
4818                         }
4819                 }
4820
4821                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4822
4823                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4824                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4825
4826                         if (db_num_rows($result) == 1) {
4827                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4828                         } else {
4829                                 $rtl_content = false;
4830                         }
4831
4832                         if ($rtl_content) {
4833                                 $rtl_tag = "dir=\"RTL\"";
4834                         } else {
4835                                 $rtl_tag = "";
4836                         }
4837                 } else {
4838                         $rtl_tag = "";
4839                         $rtl_content = false;
4840                 }
4841
4842                 /// START /////////////////////////////////////////////////////////////////////////////////
4843
4844                 @$search = db_escape_string($_REQUEST["query"]);
4845
4846                 if ($search) {
4847                         $disable_cache = true;
4848                 }
4849
4850                 @$search_mode = db_escape_string($_REQUEST["search_mode"]);
4851                 @$match_on = db_escape_string($_REQUEST["match_on"]);
4852
4853                 if (!$match_on) {
4854                         $match_on = "both";
4855                 }
4856
4857                 $real_offset = $offset * $limit;
4858
4859                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4860
4861                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4862                         $search, $search_mode, $match_on, $override_order, $real_offset);
4863
4864                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4865
4866                 $result = $qfh_ret[0];
4867                 $feed_title = $qfh_ret[1];
4868                 $feed_site_url = $qfh_ret[2];
4869                 $last_error = $qfh_ret[3];
4870
4871                 $vgroup_last_feed = $vgr_last_feed;
4872
4873 /*              if ($feed == -2) {
4874                         $feed_site_url = article_publish_url($link);
4875                 } */
4876
4877                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4878
4879                 print "<toolbar><![CDATA[";
4880
4881                 if (!$offset) {
4882 //                      print "<div id=\"headlinesContainer\" $rtl_tag>";
4883
4884                         if (!$result) {
4885                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4886                                 return;
4887                         }
4888
4889                         if (db_num_rows($result) > 0) {
4890                                 print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4891                                         $feed, $cat_view, $search, $match_on, $search_mode, $view_mode);
4892
4893 //                              print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4894
4895                         }
4896                 }
4897
4898                 print "]]></toolbar><content><![CDATA[";
4899
4900                 $headlines_count = db_num_rows($result);
4901
4902                 if (db_num_rows($result) > 0) {
4903
4904                         $lnum = $limit*$offset;
4905
4906                         $num_unread = 0;
4907                         $cur_feed_title = '';
4908
4909                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
4910
4911                         while ($line = db_fetch_assoc($result)) {
4912
4913                                 $class = ($lnum % 2) ? "even" : "odd";
4914
4915                                 $id = $line["id"];
4916                                 $feed_id = $line["feed_id"];
4917
4918                                 $labels = get_article_labels($link, $id);
4919
4920                                 $labels_str = "<span id=\"HLLCTR-$id\">";
4921                                 $labels_str .= format_article_labels($labels, $id);
4922                                 $labels_str .= "</span>";
4923
4924                                 if (count($topmost_article_ids) < 3) {
4925                                         array_push($topmost_article_ids, $id);
4926                                 }
4927
4928                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
4929
4930                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
4931                                                 theme_image($link, 'images/updated.png')."\"
4932                                                 alt=\"Updated\">";
4933                                 } else {
4934                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
4935                                                 alt=\"Updated\">";
4936                                 }
4937
4938                                 if (sql_bool_to_bool($line["unread"]) &&
4939                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
4940
4941                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
4942                                                 theme_image($link, 'images/fresh_sign.png')."\" alt=\"Fresh\">";
4943                                 }
4944
4945                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
4946                                         $class .= " Unread";
4947                                         ++$num_unread;
4948                                         $is_unread = true;
4949                                 } else {
4950                                         $is_unread = false;
4951                                 }
4952
4953                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
4954                                         $marked_pic = "<img id=\"FMPIC-$id\"
4955                                                 src=\"".theme_image($link, 'images/mark_set.png')."\"
4956                                                 class=\"markedPic\" alt=\"Unstar article\"
4957                                                 onclick='javascript:tMark($id)'>";
4958                                 } else {
4959                                         $marked_pic = "<img id=\"FMPIC-$id\"
4960                                                 src=\"".theme_image($link, 'images/mark_unset.png')."\"
4961                                                 class=\"markedPic\" alt=\"Star article\"
4962                                                 onclick='javascript:tMark($id)'>";
4963                                 }
4964
4965                                 if ($line["published"] == "t" || $line["published"] == "1") {
4966                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
4967                                                 'images/pub_set.png')."\"
4968                                                 class=\"markedPic\"
4969                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
4970                                 } else {
4971                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
4972                                                 'images/pub_unset.png')."\"
4973                                                 class=\"markedPic\"
4974                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
4975                                 }
4976
4977 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
4978 #                                       $line["title"] . "</a>";
4979
4980 #                               $content_link = "<a
4981 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
4982 #                                       onclick=\"view($id,$feed_id);\">" .
4983 #                                       $line["title"] . "</a>";
4984
4985 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
4986 #                                       $line["title"] . "</a>";
4987
4988                                 $updated_fmt = make_local_datetime($link, $line["updated_noms"], false);
4989
4990                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4991                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
4992                                                 100);
4993                                 }
4994
4995                                 $score = $line["score"];
4996
4997                                 $score_pic = theme_image($link,
4998                                         "images/" . get_score_pic($score));
4999
5000 /*                              $score_title = __("(Click to change)");
5001                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5002                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
5003
5004                                 $score_pic = "<img class='hlScorePic' src=\"$score_pic\"
5005                                         title=\"$score\">";
5006
5007                                 if ($score > 500) {
5008                                         $hlc_suffix = "H";
5009                                 } else if ($score < -100) {
5010                                         $hlc_suffix = "L";
5011                                 } else {
5012                                         $hlc_suffix = "";
5013                                 }
5014
5015                                 $entry_author = $line["author"];
5016
5017                                 if ($entry_author) {
5018                                         $entry_author = " - $entry_author";
5019                                 }
5020
5021                                 $has_feed_icon = feed_has_icon($feed_id);
5022
5023                                 if ($has_feed_icon) {
5024                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5025                                 } else {
5026                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5027                                         $feed_icon_img = "";
5028                                 }
5029
5030                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5031
5032                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5033                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5034
5035                                                         $cur_feed_title = $line["feed_title"];
5036                                                         $vgroup_last_feed = $feed_id;
5037
5038                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5039
5040                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5041
5042                                                         print "<div class='cdmFeedTitle'>".
5043                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5044                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5045                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5046
5047                                                 }
5048                                         }
5049
5050                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5051                                                 onmouseout='postMouseOut($id)'";
5052
5053                                         print "<div class='$class' id='RROW-$id' $mouseover_attrs>";
5054
5055                                         print "<div class='hlUpdPic'>$update_pic</div>";
5056
5057                                         print "<div class='hlLeft'>";
5058
5059                                         print "<input type=\"checkbox\" onclick=\"tSR(this)\"
5060                                                         id=\"RCHK-$id\">";
5061
5062                                         print "$marked_pic";
5063                                         print "$published_pic";
5064
5065                                         print "</div>";
5066
5067                                         print "<div onclick='return hlClicked(event, $id)'
5068                                                 class=\"hlTitle\"><span class='hlContent$hlc_suffix'>";
5069                                         print "<a id=\"RTITLE-$id\"
5070                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5071                                                 onclick=\"return false;\">" .
5072                                                 $line["title"];
5073
5074                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5075                                                 if ($content_preview) {
5076                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5077                                                 }
5078                                         }
5079
5080                                         print "</a></span>";
5081
5082                                         print $labels_str;
5083
5084                                         /* if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5085                                                 if (@$line["feed_title"]) {
5086                                                         print "<span class=\"hlFeed\">
5087                                                                 (<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5088                                                                 $line["feed_title"]."</a>)
5089                                                         </span>";
5090                                                 }
5091                                         } */
5092
5093                                         print "</div>";
5094
5095
5096
5097                                         print "<div class=\"hlRight\">";
5098                                         print "<span class=\"hlUpdated\">$updated_fmt</span>";
5099                                         print $score_pic;
5100
5101                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5102
5103                                                 print "<span onclick=\"viewfeed($feed_id)\"
5104                                                         title=\"".htmlspecialchars($line['feed_title'])."\">
5105                                                         $feed_icon_img<span>";
5106                                         }
5107
5108                                         print "</div>";
5109                                         print "</div>";
5110
5111                                 } else {
5112
5113                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5114                                                 if ($feed_id != $vgroup_last_feed) {
5115
5116                                                         $cur_feed_title = $line["feed_title"];
5117                                                         $vgroup_last_feed = $feed_id;
5118
5119                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5120
5121                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5122
5123                                                         $has_feed_icon = feed_has_icon($feed_id);
5124
5125                                                         if ($has_feed_icon) {
5126                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5127                                                         } else {
5128                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5129                                                         }
5130
5131                                                         print "<div class='cdmFeedTitle'>".
5132                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5133                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5134                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5135                                                 }
5136                                         }
5137
5138                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5139
5140                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5141                                                 onmouseout='postMouseOut($id)'";
5142
5143                                         print "<div class=\"$class\"
5144                                                 id=\"RROW-$id\" $mouseover_attrs'>";
5145
5146                                         print "<div class=\"cdmHeader\">";
5147
5148                                         print "<div style='float : right'>";
5149                                         print "<span class='updated'>$updated_fmt</span>";
5150                                         print "$score_pic";
5151
5152                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") && $line["feed_title"]) {
5153                                                 print "<span style=\"cursor : pointer\"
5154                                                         title=\"".htmlspecialchars($line["feed_title"])."\"
5155                                                         onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5156                                         }
5157                                         print "<div class=\"updPic\">$update_pic</div>";
5158
5159                                         print "</div>";
5160
5161                                         print "<input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5162                                                         'RROW-$id')\" id=\"RCHK-$id\"/>";
5163
5164                                         print "$marked_pic";
5165                                         print "$published_pic";
5166
5167                                         print "<span id=\"RTITLE-$id\"
5168                                                 onclick=\"return cdmClicked(event, $id);\"
5169                                                 class=\"titleWrap$hlc_suffix\">
5170                                                 <a class=\"title\"
5171                                                 target=\"_blank\" href=\"".
5172                                                 htmlspecialchars($line["link"])."\">".$line["title"].
5173                                                 " $entry_author</a>";
5174
5175                                         print $labels_str;
5176
5177                                         if (!$expand_cdm)
5178                                                 $content_hidden = "style=\"display : none\"";
5179                                         else
5180                                                 $excerpt_hidden = "style=\"display : none\"";
5181
5182                                         print "<span $excerpt_hidden
5183                                                 id=\"CEXC-$id\" class=\"cdmExcerpt\"> - $content_preview</span>";
5184
5185                                         print "</span>";
5186
5187                                         print "</div>";
5188
5189                                         print "<div class=\"cdmContent\" $content_hidden
5190                                                 onclick=\"return cdmClicked(event, $id);\"
5191                                                 id=\"CICD-$id\">";
5192
5193                                         print "<div class=\"cdmContentInner\">";
5194
5195                         if ($line["orig_feed_id"]) {
5196
5197                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
5198                                         WHERE id = ".$line["orig_feed_id"]);
5199
5200                                                 if (db_num_rows($tmp_result) != 0) {
5201
5202                                                         print "<div clear='both'>";
5203                                                         print __("Originally from:");
5204
5205                                                         print "&nbsp;";
5206
5207                                                         $tmp_line = db_fetch_assoc($tmp_result);
5208
5209                                                         print "<a target='_blank'
5210                                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
5211                                                                 $tmp_line['title'] . "</a>";
5212
5213                                                         print "&nbsp;";
5214
5215                                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
5216                                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
5217
5218                                                         print "</div>";
5219                                                 }
5220                                         }
5221
5222                                         // FIXME: make this less of a hack
5223
5224                                         $feed_site_url = false;
5225
5226                                         if ($line["feed_id"]) {
5227                                                 $tmp_result = db_query($link, "SELECT site_url FROM ttrss_feeds
5228                                                         WHERE id = " . $line["feed_id"]);
5229
5230                                                 if (db_num_rows($tmp_result) == 1) {
5231                                                         $feed_site_url = db_fetch_result($tmp_result, 0, "site_url");
5232                                                 }
5233                                         }
5234
5235                                         if ($expand_cdm) {
5236                                                 $article_content = sanitize_rss($link, $line["content_preview"],
5237                                                         false, false, $feed_site_url);
5238
5239                                                 if (!$article_content) $article_content = "&nbsp;";
5240                                         } else {
5241                                                 $article_content = '';
5242                                         }
5243
5244                                         print "<div id=\"POSTNOTE-$id\">";
5245                                         if ($line['note']) {
5246                                                 print format_article_note($id, $line['note']);
5247                                         }
5248                                         print "</div>";
5249
5250                                         print "<span id=\"CWRAP-$id\">$article_content</span>";
5251
5252                                         $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5253                                                 ttrss_feeds WHERE id = ".
5254                                                 (($line['feed_id'] == null) ? $line['orig_feed_id'] :
5255                                                                 $line['feed_id'])." AND owner_uid = ".$_SESSION["uid"]);
5256
5257                                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($tmp_result,
5258                                                 0, "always_display_enclosures"));
5259
5260                                         print_article_enclosures($link, $id, $always_display_enclosures,
5261                                                 $article_content);
5262
5263                                         $short_title = truncate_string(
5264                                                 strip_tags($line['title']), 90);
5265
5266                                         print "<a href=\"http://twitter.com/share\"
5267                                                 class=\"twitter-share-button\"
5268                                                 data-text=\"$short_title\"
5269                                                 data-url=\"".htmlspecialchars($line["link"])."\"
5270                                                 data-count=\"horizontal\">Tweet</a>";
5271
5272                                         print "</div>";
5273
5274                                         print "<div class=\"cdmFooter\">";
5275
5276                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5277
5278                                         print "<img src='".theme_image($link,
5279                                                         'images/tag.png')."' alt='Tags' title='Tags'>
5280                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5281                                                 <a title=\"".__('Edit tags for this article')."\"
5282                                                 href=\"#\" onclick=\"editArticleTags($id, $feed_id, true)\">(+)</a>";
5283
5284                                         print "<div style=\"float : right\">";
5285
5286                                         print "<img src=\"images/art-zoom.png\"
5287                                                 onclick=\"zoomToArticle(event, $id)\"
5288                                                 style=\"cursor : pointer\"
5289                                                 alt='Zoom'
5290                                                 title='".__('Open article in new tab')."'>";
5291
5292                                         if (DIGEST_ENABLE) {
5293                                                 print "<img src=\"".theme_image($link, 'images/art-email.png')."\"
5294                                                         style=\"cursor : pointer\"
5295                                                         onclick=\"emailArticle($id)\"
5296                                                         alt='Zoom' title='".__('Forward by email')."'>";
5297                                         }
5298
5299                                         $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5300
5301                                         print "<img src=\"images/art-pub-note.png\"
5302                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5303                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
5304                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
5305
5306                                         print "<img src=\"images/digest_checkbox.png\"
5307                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5308                                                 onclick=\"dismissArticle($id)\"
5309                                                 alt='Dismiss' title='".__('Dismiss article')."'>";
5310
5311                                         print "</div>";
5312                                         print "</div>";
5313
5314                                         print "</div>";
5315
5316                                         print "</div>";
5317
5318                                 }
5319
5320                                 ++$lnum;
5321                         }
5322
5323                 } else {
5324                         $message = "";
5325
5326                         switch ($view_mode) {
5327                                 case "unread":
5328                                         $message = __("No unread articles found to display.");
5329                                         break;
5330                                 case "updated":
5331                                         $message = __("No updated articles found to display.");
5332                                         break;
5333                                 case "marked":
5334                                         $message = __("No starred articles found to display.");
5335                                         break;
5336                                 default:
5337                                         if ($feed < -10) {
5338                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5339                                         } else {
5340                                                 $message = __("No articles found to display.");
5341                                         }
5342                         }
5343
5344                         if (!$offset && $message) {
5345                                 print "<div class='whiteBox'>$message";
5346
5347                                 print "<p class=\"small\"><span class=\"insensitive\">";
5348
5349                                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
5350                                         WHERE owner_uid = " . $_SESSION['uid']);
5351
5352                                 $last_updated = db_fetch_result($result, 0, "last_updated");
5353                                 $last_updated = make_local_datetime($link, $last_updated, false);
5354
5355                                 printf(__("Feeds last updated at %s"), $last_updated);
5356
5357                                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
5358                                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
5359
5360                                 $num_errors = db_fetch_result($result, 0, "num_errors");
5361
5362                                 if ($num_errors > 0) {
5363                                         print "<br/>";
5364                                         print "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
5365                                                 __('Some feeds have update errors (click for details)')."</a>";
5366                                 }
5367                                 print "</span></p></div>";
5368                         }
5369                 }
5370
5371 #               if (!$offset) {
5372 #                       if ($headlines_count > 0) print "</div>";
5373 #                       print "</div>";
5374 #               }
5375
5376                 print "]]></content>";
5377
5378                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5379         }
5380
5381 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5382
5383         function printTagCloud($link) {
5384
5385                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5386                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5387                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5388
5389                 $result = db_query($link, $query);
5390
5391                 $tags = array();
5392
5393                 while ($line = db_fetch_assoc($result)) {
5394                         $tags[$line["tag_name"]] = $line["count"];
5395                 }
5396
5397                 ksort($tags);
5398
5399                 $max_size = 32; // max font size in pixels
5400                 $min_size = 11; // min font size in pixels
5401
5402                 // largest and smallest array values
5403                 $max_qty = max(array_values($tags));
5404                 $min_qty = min(array_values($tags));
5405
5406                 // find the range of values
5407                 $spread = $max_qty - $min_qty;
5408                 if ($spread == 0) { // we don't want to divide by zero
5409                                 $spread = 1;
5410                 }
5411
5412                 // set the font-size increment
5413                 $step = ($max_size - $min_size) / ($spread);
5414
5415                 // loop through the tag array
5416                 foreach ($tags as $key => $value) {
5417                         // calculate font-size
5418                         // find the $value in excess of $min_qty
5419                         // multiply by the font-size increment ($size)
5420                         // and add the $min_size set above
5421                         $size = round($min_size + (($value - $min_qty) * $step));
5422
5423                         $key_escaped = str_replace("'", "\\'", $key);
5424
5425                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5426                                 $size . "px\" title=\"$value articles tagged with " .
5427                                 $key . '">' . $key . '</a> ';
5428                 }
5429         }
5430
5431         function print_checkpoint($n, $s) {
5432                 $ts = getmicrotime();
5433                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5434                 return $ts;
5435         }
5436
5437         function sanitize_tag($tag) {
5438                 $tag = trim($tag);
5439
5440                 $tag = mb_strtolower($tag, 'utf-8');
5441
5442                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5443
5444 //              $tag = str_replace('"', "", $tag);
5445 //              $tag = str_replace("+", " ", $tag);
5446                 $tag = str_replace("technorati tag: ", "", $tag);
5447
5448                 return $tag;
5449         }
5450
5451         function get_self_url_prefix() {
5452
5453                 $url_path = "";
5454
5455                 if ($_SERVER['HTTPS'] != "on") {
5456                         $url_path = "http://";
5457                 } else {
5458                         $url_path = "https://";
5459                 }
5460
5461                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5462
5463                 return $url_path;
5464
5465         }
5466         function opml_publish_url($link){
5467
5468                 $url_path = get_self_url_prefix();
5469                 $url_path .= "/opml.php?op=publish&key=" .
5470                         get_feed_access_key($link, 'OPML:Publish', false, $_SESSION["uid"]);
5471
5472                 return $url_path;
5473         }
5474
5475         /**
5476          * Purge a feed contents, marked articles excepted.
5477          *
5478          * @param mixed $link The database connection.
5479          * @param integer $id The id of the feed to purge.
5480          * @return void
5481          */
5482         function clear_feed_articles($link, $id) {
5483
5484                 if ($id != 0) {
5485                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5486                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5487                 } else {
5488                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5489                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5490                 }
5491
5492                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5493                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5494
5495                 ccache_update($link, $id, $_SESSION['uid']);
5496         } // function clear_feed_articles
5497
5498         /**
5499          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5500          *
5501          * @return string The Mozilla Firefox feed adding URL.
5502          */
5503         function add_feed_url() {
5504                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5505                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5506                 return $url_path;
5507         } // function add_feed_url
5508
5509         /**
5510          * Encrypt a password in SHA1.
5511          *
5512          * @param string $pass The password to encrypt.
5513          * @param string $login A optionnal login.
5514          * @return string The encrypted password.
5515          */
5516         function encrypt_password($pass, $login = '') {
5517                 if ($login) {
5518                         return "SHA1X:" . sha1("$login:$pass");
5519                 } else {
5520                         return "SHA1:" . sha1($pass);
5521                 }
5522         } // function encrypt_password
5523
5524         /**
5525          * Update a feed batch.
5526          * Used by daemons to update n feeds by run.
5527          * Only update feed needing a update, and not being processed
5528          * by another process.
5529          *
5530          * @param mixed $link Database link
5531          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5532          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5533          * @param boolean $debug Set to false to disable debug output. Default to true.
5534          * @return void
5535          */
5536         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5537                 // Process all other feeds using last_updated and interval parameters
5538
5539                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5540                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5541                         if (DB_TYPE == "pgsql") {
5542                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5543                         } else {
5544                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5545                         }
5546                 } else {
5547                         $login_thresh_qpart = "";
5548                 }
5549
5550                 // Test if the feed need a update (update interval exceded).
5551                 if (DB_TYPE == "pgsql") {
5552                         $update_limit_qpart = "AND ((
5553                                         ttrss_feeds.update_interval = 0
5554                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5555                                 ) OR (
5556                                         ttrss_feeds.update_interval > 0
5557                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5558                                 ) OR ttrss_feeds.last_updated IS NULL)";
5559                 } else {
5560                         $update_limit_qpart = "AND ((
5561                                         ttrss_feeds.update_interval = 0
5562                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5563                                 ) OR (
5564                                         ttrss_feeds.update_interval > 0
5565                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5566                                 ) OR ttrss_feeds.last_updated IS NULL)";
5567                 }
5568
5569                 // Test if feed is currently being updated by another process.
5570                 if (DB_TYPE == "pgsql") {
5571                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5572                 } else {
5573                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5574                 }
5575
5576                 // Test if there is a limit to number of updated feeds
5577                 $query_limit = "";
5578                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5579
5580                 $random_qpart = sql_random_function();
5581
5582                 // We search for feed needing update.
5583                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5584                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5585                                 ttrss_feeds.update_interval
5586                         FROM
5587                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5588                         WHERE
5589                                 ttrss_feeds.owner_uid = ttrss_users.id
5590                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5591                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5592                                 $login_thresh_qpart $update_limit_qpart
5593                          $updstart_thresh_qpart
5594                         ORDER BY $random_qpart $query_limit");
5595
5596                 $user_prefs_cache = array();
5597
5598                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5599
5600                 // Here is a little cache magic in order to minimize risk of double feed updates.
5601                 $feeds_to_update = array();
5602                 while ($line = db_fetch_assoc($result)) {
5603                         $feeds_to_update[$line['id']] = $line;
5604                 }
5605
5606                 // We update the feed last update started date before anything else.
5607                 // There is no lag due to feed contents downloads
5608                 // It prevent an other process to update the same feed.
5609                 $feed_ids = array_keys($feeds_to_update);
5610                 if($feed_ids) {
5611                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5612                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5613                 }
5614
5615                 // For each feed, we call the feed update function.
5616                 while ($line = array_pop($feeds_to_update)) {
5617
5618                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5619
5620                         update_rss_feed($link, $line["id"], true);
5621
5622                         sleep(1); // prevent flood (FIXME make this an option?)
5623                 }
5624
5625                 // Send feed digests by email if needed.
5626                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5627
5628         } // function update_daemon_common
5629
5630         function sanitize_article_content($text) {
5631                 # we don't support CDATA sections in articles, they break our own escaping
5632                 $text = preg_replace("/\[\[CDATA/", "", $text);
5633                 $text = preg_replace("/\]\]\>/", "", $text);
5634                 return $text;
5635         }
5636
5637         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5638                 $filters = array();
5639
5640                 global $memcache;
5641
5642                 $obj_id = md5("FILTER:$feed:$owner_uid:$action_id");
5643
5644                 if ($memcache && $obj = $memcache->get($obj_id)) {
5645
5646                         return $obj;
5647
5648                 } else {
5649
5650                         if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5651
5652                         $result = db_query($link, "SELECT reg_exp,
5653                                 ttrss_filter_types.name AS name,
5654                                 ttrss_filter_actions.name AS action,
5655                                 inverse,
5656                                 action_param,
5657                                 filter_param
5658                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5659                                         enabled = true AND
5660                                         $ftype_query_part
5661                                         owner_uid = $owner_uid AND
5662                                         ttrss_filter_types.id = filter_type AND
5663                                         ttrss_filter_actions.id = action_id AND
5664                                         (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5665
5666                         while ($line = db_fetch_assoc($result)) {
5667                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5668                                         $filter["reg_exp"] = $line["reg_exp"];
5669                                         $filter["action"] = $line["action"];
5670                                         $filter["action_param"] = $line["action_param"];
5671                                         $filter["filter_param"] = $line["filter_param"];
5672                                         $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5673
5674                                         array_push($filters[$line["name"]], $filter);
5675                                 }
5676
5677                         if ($memcache) $memcache->add($obj_id, $filters, 0, 3600*8);
5678
5679                         return $filters;
5680                 }
5681         }
5682
5683         function get_score_pic($score) {
5684                 if ($score > 100) {
5685                         return "score_high.png";
5686                 } else if ($score > 0) {
5687                         return "score_half_high.png";
5688                 } else if ($score < -100) {
5689                         return "score_low.png";
5690                 } else if ($score < 0) {
5691                         return "score_half_low.png";
5692                 } else {
5693                         return "score_neutral.png";
5694                 }
5695         }
5696
5697         function rounded_table_start($classname, $header = "&nbsp;") {
5698                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5699                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5700                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5701         }
5702
5703         function rounded_table_end($footer = "&nbsp;") {
5704                 print "</td><td class='right'>&nbsp;</td></tr>";
5705                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5706                 print "</table>";
5707         }
5708
5709         function feed_has_icon($id) {
5710                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5711         }
5712
5713         function init_connection($link) {
5714                 if (DB_TYPE == "pgsql") {
5715                         pg_query($link, "set client_encoding = 'UTF-8'");
5716                         pg_set_client_encoding("UNICODE");
5717                         pg_query($link, "set datestyle = 'ISO, european'");
5718                         pg_query($link, "set TIME ZONE 0");
5719                 } else {
5720                         db_query($link, "SET time_zone = '+0:0'");
5721
5722                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5723                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5724         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5725                         }
5726                 }
5727         }
5728
5729         function update_feedbrowser_cache($link) {
5730
5731                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
5732                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5733                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5734                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
5735                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
5736
5737                 db_query($link, "BEGIN");
5738
5739                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5740
5741                 $count = 0;
5742
5743                 while ($line = db_fetch_assoc($result)) {
5744                         $subscribers = db_escape_string($line["subscribers"]);
5745                         $feed_url = db_escape_string($line["feed_url"]);
5746                         $title = db_escape_string($line["title"]);
5747
5748                         $tmp_result = db_query($link, "SELECT subscribers FROM
5749                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
5750
5751                         if (db_num_rows($tmp_result) == 0) {
5752
5753                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5754                                         (feed_url, title, subscribers) VALUES ('$feed_url',
5755                                                 '$title', '$subscribers')");
5756
5757                                 ++$count;
5758
5759                         }
5760
5761                 }
5762
5763                 db_query($link, "COMMIT");
5764
5765                 return $count;
5766
5767         }
5768
5769         function ccache_zero($link, $feed_id, $owner_uid) {
5770                 db_query($link, "UPDATE ttrss_counters_cache SET
5771                         value = 0, updated = NOW() WHERE
5772                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5773         }
5774
5775         function ccache_zero_all($link, $owner_uid) {
5776                 db_query($link, "UPDATE ttrss_counters_cache SET
5777                         value = 0 WHERE owner_uid = '$owner_uid'");
5778
5779                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
5780                         value = 0 WHERE owner_uid = '$owner_uid'");
5781         }
5782
5783         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
5784
5785                 if (!$is_cat) {
5786                         $table = "ttrss_counters_cache";
5787                 } else {
5788                         $table = "ttrss_cat_counters_cache";
5789                 }
5790
5791                 db_query($link, "DELETE FROM $table WHERE
5792                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5793
5794         }
5795
5796         function ccache_update_all($link, $owner_uid) {
5797
5798                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
5799
5800                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
5801                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5802
5803                         while ($line = db_fetch_assoc($result)) {
5804                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
5805                         }
5806
5807                         /* We have to manually include category 0 */
5808
5809                         ccache_update($link, 0, $owner_uid, true);
5810
5811                 } else {
5812                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
5813                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5814
5815                         while ($line = db_fetch_assoc($result)) {
5816                                 print ccache_update($link, $line["feed_id"], $owner_uid);
5817
5818                         }
5819
5820                 }
5821         }
5822
5823         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
5824                 $no_update = false) {
5825
5826                 if (!is_numeric($feed_id)) return;
5827
5828                 if (!$is_cat) {
5829                         $table = "ttrss_counters_cache";
5830                         if ($feed_id > 0) {
5831                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5832                                         WHERE id = '$feed_id'");
5833                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5834                         }
5835                 } else {
5836                         $table = "ttrss_cat_counters_cache";
5837                 }
5838
5839                 if (DB_TYPE == "pgsql") {
5840                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
5841                 } else if (DB_TYPE == "mysql") {
5842                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
5843                 }
5844
5845                 $result = db_query($link, "SELECT value FROM $table
5846                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
5847                         LIMIT 1");
5848
5849                 if (db_num_rows($result) == 1) {
5850                         return db_fetch_result($result, 0, "value");
5851                 } else {
5852                         if ($no_update) {
5853                                 return -1;
5854                         } else {
5855                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
5856                         }
5857                 }
5858
5859         }
5860
5861         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
5862                 $update_pcat = true) {
5863
5864                 if (!is_numeric($feed_id)) return;
5865
5866                 if (!$is_cat && $feed_id > 0) {
5867                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5868                                 WHERE id = '$feed_id'");
5869                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5870                 }
5871
5872                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
5873
5874                 /* When updating a label, all we need to do is recalculate feed counters
5875                  * because labels are not cached */
5876
5877                 if ($feed_id < 0) {
5878                         ccache_update_all($link, $owner_uid);
5879                         return;
5880                 }
5881
5882                 if (!$is_cat) {
5883                         $table = "ttrss_counters_cache";
5884                 } else {
5885                         $table = "ttrss_cat_counters_cache";
5886                 }
5887
5888                 if ($is_cat && $feed_id >= 0) {
5889                         if ($feed_id != 0) {
5890                                 $cat_qpart = "cat_id = '$feed_id'";
5891                         } else {
5892                                 $cat_qpart = "cat_id IS NULL";
5893                         }
5894
5895                         /* Recalculate counters for child feeds */
5896
5897                         $result = db_query($link, "SELECT id FROM ttrss_feeds
5898                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
5899
5900                         while ($line = db_fetch_assoc($result)) {
5901                                 ccache_update($link, $line["id"], $owner_uid, false, false);
5902                         }
5903
5904                         $result = db_query($link, "SELECT SUM(value) AS sv
5905                                 FROM ttrss_counters_cache, ttrss_feeds
5906                                 WHERE id = feed_id AND $cat_qpart AND
5907                                 ttrss_feeds.owner_uid = '$owner_uid'");
5908
5909                         $unread = (int) db_fetch_result($result, 0, "sv");
5910
5911                 } else {
5912                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
5913                 }
5914
5915                 db_query($link, "BEGIN");
5916
5917                 $result = db_query($link, "SELECT feed_id FROM $table
5918                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
5919
5920                 if (db_num_rows($result) == 1) {
5921                         db_query($link, "UPDATE $table SET
5922                                 value = '$unread', updated = NOW() WHERE
5923                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5924
5925                 } else {
5926                         db_query($link, "INSERT INTO $table
5927                                 (feed_id, value, owner_uid, updated)
5928                                 VALUES
5929                                 ($feed_id, $unread, $owner_uid, NOW())");
5930                 }
5931
5932                 db_query($link, "COMMIT");
5933
5934                 if ($feed_id > 0 && $prev_unread != $unread) {
5935
5936                         if (!$is_cat) {
5937
5938                                 /* Update parent category */
5939
5940                                 if ($update_pcat) {
5941
5942                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
5943                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
5944
5945                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
5946
5947                                         ccache_update($link, $cat_id, $owner_uid, true);
5948
5949                                 }
5950                         }
5951                 } else if ($feed_id < 0) {
5952                         ccache_update_all($link, $owner_uid);
5953                 }
5954
5955                 return $unread;
5956         }
5957
5958         function label_find_id($link, $label, $owner_uid) {
5959                 $result = db_query($link,
5960                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
5961                                 AND owner_uid = '$owner_uid' LIMIT 1");
5962
5963                 if (db_num_rows($result) == 1) {
5964                         return db_fetch_result($result, 0, "id");
5965                 } else {
5966                         return 0;
5967                 }
5968         }
5969
5970         function get_article_labels($link, $id) {
5971                 global $memcache;
5972
5973                 $obj_id = md5("LABELS:$id:" . $_SESSION["uid"]);
5974
5975                 $rv = array();
5976
5977                 if ($memcache && $obj = $memcache->get($obj_id)) {
5978                         return $obj;
5979                 } else {
5980
5981                         $result = db_query($link, "SELECT label_cache FROM
5982                                 ttrss_user_entries WHERE ref_id = '$id' AND owner_uid = " .
5983                                 $_SESSION["uid"]);
5984
5985                         $label_cache = db_fetch_result($result, 0, "label_cache");
5986
5987                         if ($label_cache) {
5988
5989                                 $label_cache = json_decode($label_cache, true);
5990
5991                                 if ($label_cache["no-labels"] == 1)
5992                                         return $rv;
5993                                 else
5994                                         return $label_cache;
5995                         }
5996
5997                         $result = db_query($link,
5998                                 "SELECT DISTINCT label_id,caption,fg_color,bg_color
5999                                         FROM ttrss_labels2, ttrss_user_labels2
6000                                 WHERE id = label_id
6001                                         AND article_id = '$id'
6002                                         AND owner_uid = ".$_SESSION["uid"] . "
6003                                 ORDER BY caption");
6004
6005                         while ($line = db_fetch_assoc($result)) {
6006                                 $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
6007                                         $line["bg_color"]);
6008                                 array_push($rv, $rk);
6009                         }
6010                         if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6011
6012                         if (count($rv) > 0)
6013                                 label_update_cache($link, $id, $rv);
6014                         else
6015                                 label_update_cache($link, $id, array("no-labels" => 1));
6016                 }
6017
6018                 return $rv;
6019         }
6020
6021
6022         function label_find_caption($link, $label, $owner_uid) {
6023                 $result = db_query($link,
6024                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
6025                                 AND owner_uid = '$owner_uid' LIMIT 1");
6026
6027                 if (db_num_rows($result) == 1) {
6028                         return db_fetch_result($result, 0, "caption");
6029                 } else {
6030                         return "";
6031                 }
6032         }
6033
6034         function label_update_cache($link, $id, $labels = false, $force = false) {
6035
6036                 if ($force)
6037                         label_clear_cache($link, $id);
6038
6039                 if (!$labels)
6040                         $labels = get_article_labels($link, $id);
6041
6042                 $labels = db_escape_string(json_encode($labels));
6043
6044                 db_query($link, "UPDATE ttrss_user_entries SET
6045                         label_cache = '$labels' WHERE ref_id = '$id'");
6046
6047         }
6048
6049         function label_clear_cache($link, $id) {
6050
6051                 db_query($link, "UPDATE ttrss_user_entries SET
6052                         label_cache = '' WHERE ref_id = '$id'");
6053
6054         }
6055
6056         function label_remove_article($link, $id, $label, $owner_uid) {
6057
6058                 $label_id = label_find_id($link, $label, $owner_uid);
6059
6060                 if (!$label_id) return;
6061
6062                 $result = db_query($link,
6063                         "DELETE FROM ttrss_user_labels2
6064                         WHERE
6065                                 label_id = '$label_id' AND
6066                                 article_id = '$id'");
6067
6068                 label_clear_cache($link, $id);
6069         }
6070
6071         function label_add_article($link, $id, $label, $owner_uid) {
6072
6073                 global $memcache;
6074
6075                 if ($memcache) {
6076                         $obj_id = md5("LABELS:$id:$owner_uid");
6077                         $memcache->delete($obj_id);
6078                 }
6079
6080                 $label_id = label_find_id($link, $label, $owner_uid);
6081
6082                 if (!$label_id) return;
6083
6084                 $result = db_query($link,
6085                         "SELECT
6086                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6087                         WHERE
6088                                 label_id = id AND
6089                                 label_id = '$label_id' AND
6090                                 article_id = '$id' AND owner_uid = '$owner_uid'
6091                         LIMIT 1");
6092
6093                 if (db_num_rows($result) == 0) {
6094                         db_query($link, "INSERT INTO ttrss_user_labels2
6095                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6096                 }
6097
6098                 label_clear_cache($link, $id);
6099
6100         }
6101
6102         function label_remove($link, $id, $owner_uid) {
6103                 global $memcache;
6104
6105                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6106
6107                 if ($memcache) {
6108                         $obj_id = md5("LABELS:$id:$owner_uid");
6109                         $memcache->delete($obj_id);
6110                 }
6111
6112                 db_query($link, "BEGIN");
6113
6114                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6115                         WHERE id = '$id'");
6116
6117                 $caption = db_fetch_result($result, 0, "caption");
6118
6119                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6120                         AND owner_uid = " . $owner_uid);
6121
6122                 if (db_affected_rows($link, $result) != 0 && $caption) {
6123
6124                         /* Remove access key for the label */
6125
6126                         $ext_id = -11 - $id;
6127
6128                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6129                                 feed_id = '$ext_id' AND owner_uid = $owner_uid");
6130
6131                         /* Disable filters that reference label being removed */
6132
6133                         db_query($link, "UPDATE ttrss_filters SET
6134                                 enabled = false WHERE action_param = '$caption'
6135                                         AND action_id = 7
6136                                         AND owner_uid = " . $owner_uid);
6137
6138                         /* Remove cached data */
6139
6140                         db_query($link, "UPDATE ttrss_user_entries SET label_cache = ''
6141                                 WHERE label_cache LIKE '%$caption%' AND owner_uid = " . $owner_uid);
6142
6143                 }
6144
6145                 db_query($link, "COMMIT");
6146         }
6147
6148         function label_create($link, $caption) {
6149
6150                 db_query($link, "BEGIN");
6151
6152                 $result = false;
6153
6154                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6155                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6156
6157                 if (db_num_rows($result) == 0) {
6158                         $result = db_query($link,
6159                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
6160                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6161
6162                         $result = db_affected_rows($link, $result) != 0;
6163                 }
6164
6165                 db_query($link, "COMMIT");
6166
6167                 return $result;
6168         }
6169
6170         function print_labels_headlines_dropdown($link, $feed_id) {
6171                 print "<option value=\"addLabel()\">".__("Create label...")."</option>";
6172
6173                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6174                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6175
6176                 while ($line = db_fetch_assoc($result)) {
6177
6178                         $label_id = $line["id"];
6179                         $label_caption = $line["caption"];
6180                         $id = $line["id"];
6181
6182                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6183                                 print "<option id=\"LHDL-$id\"
6184                                         value=\"selectionRemoveLabel($label_id)\">".
6185                                         __('Remove:') . " $label_caption</option>";
6186                         } else {
6187                                 print "<option id=\"LHDL-$id\"
6188                                         value=\"selectionAssignLabel($label_id)\">".
6189                                         __('Assign:') . " $label_caption</option>";
6190                         }
6191                 }
6192         }
6193
6194         function format_tags_string($tags, $id) {
6195
6196                 $tags_str = "";
6197                 $tags_nolinks_str = "";
6198
6199                 $num_tags = 0;
6200
6201 /*              if (get_user_theme($link) == "3pane") {
6202                         $tag_limit = 3;
6203                 } else {
6204                         $tag_limit = 6;
6205                 } */
6206
6207                 $tag_limit = 6;
6208
6209                 $formatted_tags = array();
6210
6211                 foreach ($tags as $tag) {
6212                         $num_tags++;
6213                         $tag_escaped = str_replace("'", "\\'", $tag);
6214
6215                         if (mb_strlen($tag) > 30) {
6216                                 $tag = truncate_string($tag, 30);
6217                         }
6218
6219                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6220
6221                         array_push($formatted_tags, $tag_str);
6222
6223                         $tmp_tags_str = implode(", ", $formatted_tags);
6224
6225                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6226                                 break;
6227                         }
6228                 }
6229
6230                 $tags_str = implode(", ", $formatted_tags);
6231
6232                 if ($num_tags < count($tags)) {
6233                         $tags_str .= ", &hellip;";
6234                 }
6235
6236                 if ($num_tags == 0) {
6237                         $tags_str = __("no tags");
6238                 }
6239
6240                 return $tags_str;
6241
6242         }
6243
6244         function format_article_labels($labels, $id) {
6245
6246                 $labels_str = "";
6247
6248                 foreach ($labels as $l) {
6249                         $labels_str .= sprintf("<span class='hlLabelRef'
6250                                 style='color : %s; background-color : %s'>%s</span>",
6251                                         $l[2], $l[3], $l[1]);
6252                         }
6253
6254                 return $labels_str;
6255
6256         }
6257
6258         function format_article_note($id, $note) {
6259
6260                 $note_escaped = htmlspecialchars($note, ENT_QUOTES);
6261
6262                 $str = "<div class='articleNote'>";
6263                 $str .= $note;
6264                 $str .= "<div class='articleNoteOps'>";
6265                 $str .= "<a href=\"javascript:publishWithNote($id, '$note_escaped')\">".
6266                         __('edit note')."</a>";
6267                 $str .= "</div>";
6268                 $str .= "</div>";
6269
6270                 return $str;
6271         }
6272
6273         function toggle_collapse_cat($link, $cat_id, $mode) {
6274                 if ($cat_id > 0) {
6275                         $mode = bool_to_sql_bool($mode);
6276
6277                         db_query($link, "UPDATE ttrss_feed_categories SET
6278                                 collapsed = $mode WHERE id = '$cat_id' AND owner_uid = " .
6279                                 $_SESSION["uid"]);
6280                 } else {
6281                         $pref_name = '';
6282
6283                         switch ($cat_id) {
6284                         case -1:
6285                                 $pref_name = '_COLLAPSED_SPECIAL';
6286                                 break;
6287                         case -2:
6288                                 $pref_name = '_COLLAPSED_LABELS';
6289                                 break;
6290                         case 0:
6291                                 $pref_name = '_COLLAPSED_UNCAT';
6292                                 break;
6293                         }
6294
6295                         if ($pref_name) {
6296                                 if ($mode) {
6297                                         set_pref($link, $pref_name, 'true');
6298                                 } else {
6299                                         set_pref($link, $pref_name, 'false');
6300                                 }
6301                         }
6302                 }
6303         }
6304
6305         function remove_feed($link, $id, $owner_uid) {
6306
6307                 if ($id > 0) {
6308
6309                         /* save starred articles in Archived feed */
6310
6311                         db_query($link, "BEGIN");
6312
6313                         /* prepare feed if necessary */
6314
6315                         $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6316                                 WHERE id = '$id'");
6317
6318                         if (db_num_rows($result) == 0) {
6319                                 db_query($link, "INSERT INTO ttrss_archived_feeds
6320                                         (id, owner_uid, title, feed_url, site_url)
6321                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6322                                 WHERE id = '$id'");
6323                         }
6324
6325                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
6326                                 orig_feed_id = '$id' WHERE feed_id = '$id' AND
6327                                         marked = true AND owner_uid = $owner_uid");
6328
6329                         /* Remove access key for the feed */
6330
6331                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6332                                 feed_id = '$id' AND owner_uid = $owner_uid");
6333
6334                         /* remove the feed */
6335
6336                         db_query($link, "DELETE FROM ttrss_feeds
6337                                         WHERE id = '$id' AND owner_uid = $owner_uid");
6338
6339                         db_query($link, "COMMIT");
6340
6341 /*                      if (file_exists(ICONS_DIR . "/$id.ico")) {
6342                                 unlink(ICONS_DIR . "/$id.ico");
6343                         } */
6344
6345                         ccache_remove($link, $id, $owner_uid);
6346
6347                 } else {
6348                         label_remove($link, -11-$id, $owner_uid);
6349                         ccache_remove($link, -11-$id, $owner_uid);
6350                 }
6351         }
6352
6353         function add_feed_category($link, $feed_cat) {
6354
6355                 if (!$feed_cat) return false;
6356
6357                 db_query($link, "BEGIN");
6358
6359                 $result = db_query($link,
6360                         "SELECT id FROM ttrss_feed_categories
6361                         WHERE title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
6362
6363                 if (db_num_rows($result) == 0) {
6364
6365                         $result = db_query($link,
6366                                 "INSERT INTO ttrss_feed_categories (owner_uid,title)
6367                                 VALUES ('".$_SESSION["uid"]."', '$feed_cat')");
6368
6369                         db_query($link, "COMMIT");
6370
6371                         return true;
6372                 }
6373
6374                 return false;
6375         }
6376
6377         function remove_feed_category($link, $id, $owner_uid) {
6378
6379                 db_query($link, "DELETE FROM ttrss_feed_categories
6380                         WHERE id = '$id' AND owner_uid = $owner_uid");
6381
6382                 ccache_remove($link, $id, $owner_uid, true);
6383         }
6384
6385         function archive_article($link, $id, $owner_uid) {
6386                 db_query($link, "BEGIN");
6387
6388                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6389                         WHERE ref_id = '$id' AND owner_uid = $owner_uid");
6390
6391                 if (db_num_rows($result) != 0) {
6392
6393                         /* prepare the archived table */
6394
6395                         $feed_id = (int) db_fetch_result($result, 0, "feed_id");
6396
6397                         if ($feed_id) {
6398                                 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6399                                         WHERE id = '$feed_id'");
6400
6401                                 if (db_num_rows($result) == 0) {
6402                                         db_query($link, "INSERT INTO ttrss_archived_feeds
6403                                                 (id, owner_uid, title, feed_url, site_url)
6404                                         SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6405                                         WHERE id = '$feed_id'");
6406                                 }
6407
6408                                 db_query($link, "UPDATE ttrss_user_entries
6409                                         SET orig_feed_id = feed_id, feed_id = NULL
6410                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6411                         }
6412                 }
6413
6414                 db_query($link, "COMMIT");
6415         }
6416
6417         function getArticleFeed($link, $id) {
6418                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6419                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6420
6421                 if (db_num_rows($result) != 0) {
6422                         return db_fetch_result($result, 0, "feed_id");
6423                 } else {
6424                         return 0;
6425                 }
6426         }
6427
6428         function make_url_from_parts($parts) {
6429                 $url = $parts['scheme'] . '://' . $parts['host'];
6430
6431                 if ($parts['path']) $url .= $parts['path'];
6432                 if ($parts['query']) $url .= '?' . $parts['query'];
6433
6434                 return $url;
6435         }
6436
6437         /**
6438          * Fixes incomplete URLs by prepending "http://".
6439          * Also replaces feed:// with http://, and
6440          * prepends a trailing slash if the url is a domain name only.
6441          *
6442          * @param string $url Possibly incomplete URL
6443          *
6444          * @return string Fixed URL.
6445          */
6446         function fix_url($url) {
6447                 if (strpos($url, '://') === false) {
6448                         $url = 'http://' . $url;
6449                 } else if (substr($url, 0, 5) == 'feed:') {
6450                         $url = 'http:' . substr($url, 5);
6451                 }
6452
6453                 //prepend slash if the URL has no slash in it
6454                 // "http://www.example" -> "http://www.example/"
6455                 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
6456                         $url .= '/';
6457                 }
6458
6459                 if ($url != "http:///")
6460                         return $url;
6461                 else
6462                         return '';
6463         }
6464
6465         function validate_feed_url($url) {
6466                 $parts = parse_url($url);
6467
6468                 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
6469
6470         }
6471
6472         function get_article_enclosures($link, $id) {
6473
6474                 global $memcache;
6475
6476                 $query = "SELECT * FROM ttrss_enclosures
6477                         WHERE post_id = '$id' AND content_url != ''";
6478
6479                 $obj_id = md5("ENCLOSURES:$id");
6480
6481                 $rv = array();
6482
6483                 if ($memcache && $obj = $memcache->get($obj_id)) {
6484                         $rv = $obj;
6485                 } else {
6486                         $result = db_query($link, $query);
6487
6488                         if (db_num_rows($result) > 0) {
6489                                 while ($line = db_fetch_assoc($result)) {
6490                                         array_push($rv, $line);
6491                                 }
6492                                 if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6493                         }
6494                 }
6495
6496                 return $rv;
6497         }
6498
6499         function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset) {
6500
6501                         $feeds = array();
6502
6503                         /* Labels */
6504
6505                         if ($cat_id == -4 || $cat_id == -2) {
6506                                 $counters = getLabelCounters($link, true);
6507
6508                                 foreach (array_values($counters) as $cv) {
6509
6510                                         $unread = $cv["counter"];
6511
6512                                         if ($unread || !$unread_only) {
6513
6514                                                 $row = array(
6515                                                                 "id" => $cv["id"],
6516                                                                 "title" => $cv["description"],
6517                                                                 "unread" => $cv["counter"],
6518                                                                 "cat_id" => -2,
6519                                                         );
6520
6521                                                 array_push($feeds, $row);
6522                                         }
6523                                 }
6524                         }
6525
6526                         /* Virtual feeds */
6527
6528                         if ($cat_id == -4 || $cat_id == -1) {
6529                                 foreach (array(-1, -2, -3, -4, 0) as $i) {
6530                                         $unread = getFeedUnread($link, $i);
6531
6532                                         if ($unread || !$unread_only) {
6533                                                 $title = getFeedTitle($link, $i);
6534
6535                                                 $row = array(
6536                                                                 "id" => $i,
6537                                                                 "title" => $title,
6538                                                                 "unread" => $unread,
6539                                                                 "cat_id" => -1,
6540                                                         );
6541                                                 array_push($feeds, $row);
6542                                         }
6543
6544                                 }
6545                         }
6546
6547                         /* Real feeds */
6548
6549                         if ($limit) {
6550                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
6551                         } else {
6552                                 $limit_qpart = "";
6553                         }
6554
6555                         if ($cat_id == -4 || $cat_id == -3) {
6556                                 $result = db_query($link, "SELECT
6557                                         id, feed_url, cat_id, title, ".
6558                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6559                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
6560                                                 " ORDER BY cat_id, title " . $limit_qpart);
6561                         } else {
6562
6563                                 if ($cat_id)
6564                                         $cat_qpart = "cat_id = '$cat_id'";
6565                                 else
6566                                         $cat_qpart = "cat_id IS NULL";
6567
6568                                 $result = db_query($link, "SELECT
6569                                         id, feed_url, cat_id, title, ".
6570                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6571                                                 FROM ttrss_feeds WHERE
6572                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
6573                                                 " ORDER BY cat_id, title " . $limit_qpart);
6574                         }
6575
6576                         while ($line = db_fetch_assoc($result)) {
6577
6578                                 $unread = getFeedUnread($link, $line["id"]);
6579
6580                                 $has_icon = feed_has_icon($line['id']);
6581
6582                                 if ($unread || !$unread_only) {
6583
6584                                         $row = array(
6585                                                         "feed_url" => $line["feed_url"],
6586                                                         "title" => $line["title"],
6587                                                         "id" => (int)$line["id"],
6588                                                         "unread" => (int)$unread,
6589                                                         "has_icon" => $has_icon,
6590                                                         "cat_id" => (int)$line["cat_id"],
6591                                                         "last_updated" => strtotime($line["last_updated"])
6592                                                 );
6593
6594                                         array_push($feeds, $row);
6595                                 }
6596                         }
6597
6598                 return $feeds;
6599         }
6600
6601         function api_get_headlines($link, $feed_id, $limit, $offset,
6602                                         $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order) {
6603
6604                         /* do not rely on params below */
6605
6606                         $search = db_escape_string($_REQUEST["search"]);
6607                         $search_mode = db_escape_string($_REQUEST["search_mode"]);
6608                         $match_on = db_escape_string($_REQUEST["match_on"]);
6609
6610                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
6611                                 $view_mode, $is_cat, $search, $search_mode, $match_on,
6612                                 $order, $offset);
6613
6614                         $result = $qfh_ret[0];
6615                         $feed_title = $qfh_ret[1];
6616
6617                         $headlines = array();
6618
6619                         while ($line = db_fetch_assoc($result)) {
6620                                 $is_updated = ($line["last_read"] == "" &&
6621                                         ($line["unread"] != "t" && $line["unread"] != "1"));
6622
6623                                 $headline_row = array(
6624                                                 "id" => (int)$line["id"],
6625                                                 "unread" => sql_bool_to_bool($line["unread"]),
6626                                                 "marked" => sql_bool_to_bool($line["marked"]),
6627                                                 "published" => sql_bool_to_bool($line["published"]),
6628                                                 "updated" => strtotime($line["updated"]),
6629                                                 "is_updated" => $is_updated,
6630                                                 "title" => $line["title"],
6631                                                 "link" => $line["link"],
6632                                                 "feed_id" => $line["feed_id"],
6633                                                 "tags" => get_article_tags($link, $line["id"]),
6634                                         );
6635
6636                                 if ($show_excerpt) {
6637                                         $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
6638                                         $headline_row["excerpt"] = $excerpt;
6639                                 }
6640
6641                                 if ($show_content) {
6642                                         $headline_row["content"] = $line["content_preview"];
6643                                 }
6644
6645                                 array_push($headlines, $headline_row);
6646                         }
6647
6648                         return $headlines;
6649         }
6650
6651         function generate_dashboard_feed($link) {
6652                 print "<headlines id=\"-5\" is_cat=\"\">";
6653
6654                 print "<toolbar><![CDATA[]]></toolbar>";
6655
6656                 print '<content><![CDATA[';
6657
6658                 print "<div class='whiteBox'>".__('No feed selected.');
6659
6660                 print "<p class=\"small\"><span class=\"insensitive\">";
6661
6662                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
6663                         WHERE owner_uid = " . $_SESSION['uid']);
6664
6665                 $last_updated = db_fetch_result($result, 0, "last_updated");
6666                 $last_updated = make_local_datetime($link, $last_updated, false);
6667
6668                 printf(__("Feeds last updated at %s"), $last_updated);
6669
6670                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
6671                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
6672
6673                 $num_errors = db_fetch_result($result, 0, "num_errors");
6674
6675                 if ($num_errors > 0) {
6676                         print "<br/>";
6677                         print "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
6678                                 __('Some feeds have update errors (click for details)')."</a>";
6679                 }
6680                 print "</span></p>";
6681
6682                 print "]]></content>";
6683                 print "</headlines>";
6684
6685                 print "<headlines-info><![CDATA[";
6686
6687                 $info = array("count" => 0,
6688                         "vgroup_last_feed" => '',
6689                         "unread" => 0,
6690                         "disable_cache" => true);
6691
6692                 print json_encode($info);
6693
6694                 print "]]></headlines-info>";
6695
6696         }
6697
6698         function save_email_address($link, $email) {
6699                 // FIXME: implement persistent storage of emails
6700
6701                 if (!$_SESSION['stored_emails'])
6702                         $_SESSION['stored_emails'] = array();
6703
6704                 if (!in_array($email, $_SESSION['stored_emails']))
6705                         array_push($_SESSION['stored_emails'], $email);
6706         }
6707
6708         function update_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6709                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6710
6711                 $sql_is_cat = bool_to_sql_bool($is_cat);
6712
6713                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
6714                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
6715                         AND owner_uid = " . $owner_uid);
6716
6717                 if (db_num_rows($result) == 1) {
6718                         $key = db_escape_string(sha1(uniqid(rand(), true)));
6719
6720                         db_query($link, "UPDATE ttrss_access_keys SET access_key = '$key'
6721                                 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
6722                                 AND owner_uid = " . $owner_uid);
6723
6724                         return $key;
6725
6726                 } else {
6727                         return get_feed_access_key($link, $feed_id, $is_cat, $owner_uid);
6728                 }
6729         }
6730
6731         function get_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6732
6733                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6734
6735                 $sql_is_cat = bool_to_sql_bool($is_cat);
6736
6737                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
6738                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
6739                         AND owner_uid = " . $owner_uid);
6740
6741                 if (db_num_rows($result) == 1) {
6742                         return db_fetch_result($result, 0, "access_key");
6743                 } else {
6744                         $key = db_escape_string(sha1(uniqid(rand(), true)));
6745
6746                         $result = db_query($link, "INSERT INTO ttrss_access_keys
6747                                 (access_key, feed_id, is_cat, owner_uid)
6748                                 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
6749
6750                         return $key;
6751                 }
6752                 return false;
6753         }
6754
6755         /**
6756          * Extracts RSS/Atom feed URLs from the given HTML URL.
6757          *
6758          * @param string $url HTML page URL
6759          *
6760          * @return array Array of feeds. Key is the full URL, value the title
6761          */
6762         function get_feeds_from_html($url)
6763         {
6764                 $url     = fix_url($url);
6765                 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
6766
6767                 libxml_use_internal_errors(true);
6768
6769                 $doc = new DOMDocument();
6770                 $doc->loadHTMLFile($url);
6771                 $xpath = new DOMXPath($doc);
6772                 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
6773                 $feedUrls = array();
6774                 foreach ($entries as $entry) {
6775                         if ($entry->hasAttribute('href')) {
6776                                 $title = $entry->getAttribute('title');
6777                                 if ($title == '') {
6778                                         $title = $entry->getAttribute('type');
6779                                 }
6780                                 $feedUrl = rewrite_relative_url(
6781                                         $baseUrl, $entry->getAttribute('href')
6782                                 );
6783                                 $feedUrls[$feedUrl] = $title;
6784                         }
6785                 }
6786                 return $feedUrls;
6787         }
6788
6789         /**
6790          * Checks if the content behind the given URL is a HTML file
6791          *
6792          * @param string $url URL to check
6793          *
6794          * @return boolean True if the URL contains HTML content
6795          */
6796         function url_is_html($url) {
6797                 $content = substr(fetch_file_contents($url, false), 0, 1000);
6798                 if (stripos($content, '<html>') === false
6799                         && stripos($content, '<html ') === false
6800                 ) {
6801                         return false;
6802                 }
6803
6804                 return true;
6805         }
6806
6807         function print_label_select($link, $name, $value, $attributes = "") {
6808
6809                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6810                         WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6811
6812                 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
6813                         "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
6814
6815                 while ($line = db_fetch_assoc($result)) {
6816
6817                         $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
6818
6819                         print "<option value=\"".htmlspecialchars($line["caption"])."\"
6820                                 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
6821
6822                 }
6823
6824 #               print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
6825
6826                 print "</select>";
6827
6828
6829         }
6830
6831         function print_article_enclosures($link, $id, $always_display_enclosures,
6832                                         $article_content) {
6833
6834                 $result = get_article_enclosures($link, $id);
6835
6836                 if (count($result) > 0) {
6837
6838                         $entries_html = array();
6839                         $entries = array();
6840
6841                         foreach ($result as $line) {
6842
6843                                 $url = $line["content_url"];
6844                                 $ctype = $line["content_type"];
6845
6846                                 if (!$ctype) $ctype = __("unknown type");
6847
6848                                 $filename = substr($url, strrpos($url, "/")+1);
6849
6850                                 $entry = format_inline_player($link, $url, $ctype);
6851
6852                                 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
6853                                         $filename . " (" . $ctype . ")" . "</a>";
6854
6855                                 array_push($entries_html, $entry);
6856
6857                                 $entry = array();
6858
6859                                 $entry["type"] = $ctype;
6860                                 $entry["filename"] = $filename;
6861                                 $entry["url"] = $url;
6862
6863                                 array_push($entries, $entry);
6864                         }
6865
6866                         print "<div class=\"postEnclosures\">";
6867
6868                         if (!get_pref($link, "STRIP_IMAGES")) {
6869                                 if ($always_display_enclosures ||
6870                                                         !preg_match("/<img/i", $article_content)) {
6871
6872                                         foreach ($entries as $entry) {
6873
6874                                                 if (preg_match("/image/", $entry["type"]) ||
6875                                                                 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
6876
6877                                                                 print "<p><img
6878                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
6879                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
6880                                                 }
6881                                         }
6882                                 }
6883                         }
6884
6885                         if (count($entries) == 1) {
6886                                 print __("Attachment:") . " ";
6887                         } else {
6888                                 print __("Attachments:") . " ";
6889                         }
6890
6891                         print join(", ", $entries_html);
6892
6893                         print "</div>";
6894                 }
6895         }
6896
6897         function getLastArticleId($link) {
6898                 $result = db_query($link, "SELECT MAX(ref_id) AS id FROM ttrss_user_entries
6899                         WHERE owner_uid = " . $_SESSION["uid"]);
6900
6901                 if (db_num_rows($result) == 1) {
6902                         return db_fetch_result($result, 0, "id");
6903                 } else {
6904                         return -1;
6905                 }
6906         }
6907
6908         function build_url($parts) {
6909                 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
6910         }
6911
6912         /**
6913          * Converts a (possibly) relative URL to a absolute one.
6914          *
6915          * @param string $url     Base URL (i.e. from where the document is)
6916          * @param string $rel_url Possibly relative URL in the document
6917          *
6918          * @return string Absolute URL
6919          */
6920         function rewrite_relative_url($url, $rel_url) {
6921                 if (strpos($rel_url, "://") !== false) {
6922                         return $rel_url;
6923                 } else if (strpos($rel_url, "/") === 0)
6924                 {
6925                         $parts = parse_url($url);
6926                         $parts['path'] = $rel_url;
6927
6928                         return build_url($parts);
6929
6930                 } else {
6931                         $parts = parse_url($url);
6932                         if (!isset($parts['path'])) {
6933                                 $parts['path'] = '/';
6934                         }
6935                         $dir = $parts['path'];
6936                         if (substr($dir, -1) !== '/') {
6937                                 $dir = dirname($parts['path']);
6938                                 $dir !== '/' && $dir .= '/';
6939                         }
6940                         $parts['path'] = $dir . $rel_url;
6941
6942                         return build_url($parts);
6943                 }
6944         }
6945
6946         function sphinx_search($query, $offset = 0, $limit = 30) {
6947                 $sphinxClient = new SphinxClient();
6948
6949                 $sphinxClient->SetServer('localhost', 9312);
6950                 $sphinxClient->SetConnectTimeout(1);
6951
6952                 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
6953                         'feed_title' => 20));
6954
6955                 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
6956                 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
6957                 $sphinxClient->SetLimits($offset, $limit, 1000);
6958                 $sphinxClient->SetArrayResult(false);
6959                 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
6960
6961                 $result = $sphinxClient->Query($query, SPHINX_INDEX);
6962
6963                 $ids = array();
6964
6965                 if (is_array($result['matches'])) {
6966                         foreach (array_keys($result['matches']) as $int_id) {
6967                                 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
6968                                 array_push($ids, $ref_id);
6969                         }
6970                 }
6971
6972                 return $ids;
6973         }
6974
6975         function cleanup_tags($link, $days = 14, $limit = 1000) {
6976
6977                 if (DB_TYPE == "pgsql") {
6978                         $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
6979                 } else if (DB_TYPE == "mysql") {
6980                         $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
6981                 }
6982
6983                 $tags_deleted = 0;
6984
6985                 while ($limit > 0) {
6986                         $limit_part = 500;
6987
6988                         $query = "SELECT ttrss_tags.id AS id
6989                                 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
6990                                 WHERE post_int_id = int_id AND $interval_query AND
6991                                 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
6992
6993                         $result = db_query($link, $query);
6994
6995                         $ids = array();
6996
6997                         while ($line = db_fetch_assoc($result)) {
6998                                 array_push($ids, $line['id']);
6999                         }
7000
7001                         if (count($ids) > 0) {
7002                                 $ids = join(",", $ids);
7003                                 print ".";
7004
7005                                 $tmp_result = db_query($link, "DELETE FROM ttrss_tags WHERE id IN ($ids)");
7006                                 $tags_deleted += db_affected_rows($link, $tmp_result);
7007                         } else {
7008                                 break;
7009                         }
7010
7011                         $limit -= $limit_part;
7012                 }
7013
7014                 print "\n";
7015
7016                 return $tags_deleted;
7017         }
7018
7019         function feedlist_init_cat($link, $cat_id, $hidden = false) {
7020                 $obj = array();
7021                 $cat_id = (int) $cat_id;
7022
7023                 if ($cat_id > 0) {
7024                         $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
7025                 } else if ($cat_id == 0 || $cat_id == -2) {
7026                         $cat_unread = getCategoryUnread($link, $cat_id);
7027                 }
7028
7029                 $obj['id'] = 'CAT:' . $cat_id;
7030                 $obj['items'] = array();
7031                 $obj['name'] = getCategoryTitle($link, $cat_id);
7032                 $obj['type'] = 'feed';
7033                 $obj['unread'] = (int) $cat_unread;
7034                 $obj['hidden'] = $hidden;
7035                 $obj['bare_id'] = $cat_id;
7036
7037                 return $obj;
7038         }
7039
7040         function feedlist_init_feed($link, $feed_id, $title = false, $unread = false, $error = '', $updated = '') {
7041                 $obj = array();
7042                 $feed_id = (int) $feed_id;
7043
7044                 if (!$title)
7045                         $title = getFeedTitle($link, $feed_id, false);
7046
7047                 if ($unread === false)
7048                         $unread = getFeedUnread($link, $feed_id, false);
7049
7050                 $obj['id'] = 'FEED:' . $feed_id;
7051                 $obj['name'] = $title;
7052                 $obj['unread'] = (int) $unread;
7053                 $obj['type'] = 'feed';
7054                 $obj['error'] = $error;
7055                 $obj['updated'] = $updated;
7056                 $obj['icon'] = getFeedIcon($feed_id);
7057                 $obj['bare_id'] = $feed_id;
7058
7059                 return $obj;
7060         }
7061
7062 ?>