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";
1512                          else
1513                                 $sel = "";
1514
1515                         print "<option$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\"
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("$t/theme.ini")) {
2048                                 $ini = parse_ini_file("$t/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
2072         function get_all_themes() {
2073                 $themes = glob("themes/*");
2074
2075                 asort($themes);
2076
2077                 $rv = array();
2078
2079                 foreach ($themes as $t) {
2080                         if (is_file("$t/theme.ini")) {
2081                                 $ini = parse_ini_file("$t/theme.ini", true);
2082                                 if ($ini['theme']['version'] > THEME_VERSION_REQUIRED &&
2083                                                         !$ini['theme']['disabled']) {
2084                                         $entry = array();
2085                                         $entry["path"] = $t;
2086                                         $entry["base"] = basename($t);
2087                                         $entry["name"] = $ini['theme']['name'];
2088                                         $entry["version"] = $ini['theme']['version'];
2089                                         $entry["author"] = $ini['theme']['author'];
2090                                         $entry["options"] = $ini['theme']['options'];
2091                                         array_push($rv, $entry);
2092                                 }
2093                         }
2094                 }
2095
2096                 return $rv;
2097         }
2098
2099         function make_local_datetime($link, $timestamp, $long, $owner_uid = false,
2100                                         $no_smart_dt = false) {
2101
2102                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2103                 if (!$timestamp) $timestamp = '1970-01-01 0:00';
2104
2105                 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $owner_uid);
2106
2107                 try {
2108                         $user_tz = new DateTimeZone($user_tz_string);
2109                 } catch (Exception $e) {
2110                         $user_tz = new DateTimeZone('UTC');
2111                 }
2112
2113                 # We store date in UTC internally
2114                 $dt = new DateTime($timestamp, new DateTimeZone('UTC'));
2115                 $user_timestamp = $dt->format('U') + $user_tz->getOffset($dt);
2116
2117                 if (!$no_smart_dt && get_pref($link, 'HEADLINES_SMART_DATE', $owner_uid)) {
2118                         return smart_date_time($link, $user_timestamp,
2119                                 $user_tz->getOffset($dt), $owner_uid);
2120                 } else {
2121                         if ($long)
2122                                 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2123                         else
2124                                 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2125
2126                         return date($format, $user_timestamp);
2127                 }
2128         }
2129
2130         function smart_date_time($link, $timestamp, $tz_offset = 0, $owner_uid = false) {
2131                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2132
2133                 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
2134                         return date("G:i", $timestamp);
2135                 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
2136                         $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2137                         return date($format, $timestamp);
2138                 } else {
2139                         $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2140                         return date($format, $timestamp);
2141                 }
2142         }
2143
2144         function smart_date($timestamp) {
2145                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2146                         return "Today";
2147                 } else if (date("Y", $timestamp) == date("Y")) {
2148                         return date("D m", $timestamp);
2149                 } else {
2150                         return date("Y/m/d", $timestamp);
2151                 }
2152         }
2153
2154         function sql_bool_to_string($s) {
2155                 if ($s == "t" || $s == "1") {
2156                         return "true";
2157                 } else {
2158                         return "false";
2159                 }
2160         }
2161
2162         function sql_bool_to_bool($s) {
2163                 if ($s == "t" || $s == "1") {
2164                         return true;
2165                 } else {
2166                         return false;
2167                 }
2168         }
2169
2170         function bool_to_sql_bool($s) {
2171                 if ($s) {
2172                         return "true";
2173                 } else {
2174                         return "false";
2175                 }
2176         }
2177
2178         function toggleEvenOdd($a) {
2179                 if ($a == "even")
2180                         return "odd";
2181                 else
2182                         return "even";
2183         }
2184
2185         function get_schema_version($link, $nocache = false) {
2186                 if (!$_SESSION["schema_version"] || $nocache) {
2187                         $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2188                         $version = db_fetch_result($result, 0, "schema_version");
2189                         $_SESSION["schema_version"] = $version;
2190                         return $version;
2191                 } else {
2192                         return $_SESSION["schema_version"];
2193                 }
2194         }
2195
2196         function sanity_check($link) {
2197
2198                 $error_code = 0;
2199                 $schema_version = get_schema_version($link);
2200
2201                 if ($schema_version != SCHEMA_VERSION) {
2202                         $error_code = 5;
2203                 }
2204
2205                 if (DB_TYPE == "mysql") {
2206                         $result = db_query($link, "SELECT true", false);
2207                         if (db_num_rows($result) != 1) {
2208                                 $error_code = 10;
2209                         }
2210                 }
2211
2212                 if (db_escape_string("testTEST") != "testTEST") {
2213                         $error_code = 12;
2214                 }
2215
2216                 if ($error_code != 0) {
2217                         print_error_xml($error_code);
2218                         return false;
2219                 } else {
2220                         return true;
2221                 }
2222         }
2223
2224         function file_is_locked($filename) {
2225                 if (function_exists('flock')) {
2226                         $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
2227                         if ($fp) {
2228                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2229                                         flock($fp, LOCK_UN);
2230                                         fclose($fp);
2231                                         return false;
2232                                 }
2233                                 fclose($fp);
2234                                 return true;
2235                         } else {
2236                                 return false;
2237                         }
2238                 }
2239                 return true; // consider the file always locked and skip the test
2240         }
2241
2242         function make_lockfile($filename) {
2243                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2244
2245                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2246                         if (function_exists('posix_getpid')) {
2247                                 fwrite($fp, posix_getpid() . "\n");
2248                         }
2249                         return $fp;
2250                 } else {
2251                         return false;
2252                 }
2253         }
2254
2255         function make_stampfile($filename) {
2256                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2257
2258                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2259                         fwrite($fp, time() . "\n");
2260                         flock($fp, LOCK_UN);
2261                         fclose($fp);
2262                         return true;
2263                 } else {
2264                         return false;
2265                 }
2266         }
2267
2268         function sql_random_function() {
2269                 if (DB_TYPE == "mysql") {
2270                         return "RAND()";
2271                 } else {
2272                         return "RANDOM()";
2273                 }
2274         }
2275
2276         function catchup_feed($link, $feed, $cat_view, $owner_uid = false) {
2277
2278                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2279
2280                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2281
2282                                 if ($cat_view) {
2283
2284                                         if ($feed >= 0) {
2285
2286                                                 if ($feed > 0) {
2287                                                         $cat_qpart = "cat_id = '$feed'";
2288                                                 } else {
2289                                                         $cat_qpart = "cat_id IS NULL";
2290                                                 }
2291
2292                                                 $tmp_result = db_query($link, "SELECT id
2293                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2294
2295                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2296
2297                                                         $tmp_feed = $tmp_line["id"];
2298
2299                                                         db_query($link, "UPDATE ttrss_user_entries
2300                                                                 SET unread = false,last_read = NOW()
2301                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2302                                                 }
2303                                         } else if ($feed == -2) {
2304
2305
2306                                                 db_query($link, "UPDATE ttrss_user_entries
2307                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
2308                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
2309                                                         AND unread = true AND owner_uid = $owner_uid");
2310                                         }
2311
2312                                 } else if ($feed > 0) {
2313
2314                                         db_query($link, "UPDATE ttrss_user_entries
2315                                                         SET unread = false,last_read = NOW()
2316                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2317
2318                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2319
2320                                         if ($feed == -1) {
2321                                                 db_query($link, "UPDATE ttrss_user_entries
2322                                                         SET unread = false,last_read = NOW()
2323                                                         WHERE marked = true AND owner_uid = $owner_uid");
2324                                         }
2325
2326                                         if ($feed == -2) {
2327                                                 db_query($link, "UPDATE ttrss_user_entries
2328                                                         SET unread = false,last_read = NOW()
2329                                                         WHERE published = true AND owner_uid = $owner_uid");
2330                                         }
2331
2332                                         if ($feed == -3) {
2333
2334                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2335
2336                                                 if (DB_TYPE == "pgsql") {
2337                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2338                                                 } else {
2339                                                         $match_part = "updated > DATE_SUB(NOW(),
2340                                                                 INTERVAL $intl HOUR) ";
2341                                                 }
2342
2343                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2344                                                         ttrss_user_entries WHERE $match_part AND
2345                                                         unread = true AND
2346                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2347                                                         owner_uid = $owner_uid");
2348
2349                                                 $affected_ids = array();
2350
2351                                                 while ($line = db_fetch_assoc($result)) {
2352                                                         array_push($affected_ids, $line["id"]);
2353                                                 }
2354
2355                                                 catchupArticlesById($link, $affected_ids, 0);
2356                                         }
2357
2358                                         if ($feed == -4) {
2359                                                 db_query($link, "UPDATE ttrss_user_entries
2360                                                         SET unread = false,last_read = NOW()
2361                                                         WHERE owner_uid = $owner_uid");
2362                                         }
2363
2364                                 } else if ($feed < -10) { // label
2365
2366                                         $label_id = -$feed - 11;
2367
2368                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2369                                                 SET unread = false, last_read = NOW()
2370                                                         WHERE label_id = '$label_id' AND unread = true
2371                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2372
2373                                 }
2374
2375                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2376
2377                         } else { // tag
2378                                 db_query($link, "BEGIN");
2379
2380                                 $tag_name = db_escape_string($feed);
2381
2382                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2383                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2384
2385                                 while ($line = db_fetch_assoc($result)) {
2386                                         db_query($link, "UPDATE ttrss_user_entries SET
2387                                                 unread = false, last_read = NOW()
2388                                                 WHERE int_id = " . $line["post_int_id"]);
2389                                 }
2390                                 db_query($link, "COMMIT");
2391                         }
2392         }
2393
2394         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2395                         if ($cat_view) {
2396
2397                                 if ($feed > 0) {
2398                                         $cat_qpart = "cat_id = '$feed'";
2399                                 } else {
2400                                         $cat_qpart = "cat_id IS NULL";
2401                                 }
2402
2403                                 $tmp_result = db_query($link, "SELECT id FROM ttrss_feeds
2404                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2405
2406                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2407                                         $feed_id = $tmp_line["id"];
2408                                         update_rss_feed($link, $feed_id, $force_update);
2409                                 }
2410
2411                         } else {
2412                                 update_rss_feed($link, $feed, $force_update);
2413                         }
2414         }
2415
2416         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2417
2418                 if (!$omode) $omode = "flc";
2419
2420                 $data = getGlobalCounters($link);
2421
2422                 $data = array_merge($data, getVirtCounters($link));
2423
2424                 if (strchr($omode, "l")) $data = array_merge($data, getLabelCounters($link));
2425                 if (strchr($omode, "f")) $data = array_merge($data, getFeedCounters($link, $active_feed));
2426                 if (strchr($omode, "t")) $data = array_merge($data, getTagCounters($link));
2427                 if (strchr($omode, "c")) {
2428                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2429                                 $data = array_merge($data, getCategoryCounters($link));
2430                         }
2431                 }
2432
2433                 return $data;
2434         }
2435
2436         function getCategoryCounters($link) {
2437                 $ret_arr = array();
2438
2439                 /* Labels category */
2440
2441                 $cv = array("id" => -2, "kind" => "cat",
2442                         "counter" => getCategoryUnread($link, -2));
2443
2444                 array_push($ret_arr, $cv);
2445
2446                 $age_qpart = getMaxAgeSubquery();
2447
2448                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2449                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2450                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2451                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2452
2453                 while ($line = db_fetch_assoc($result)) {
2454                         $line["cat_id"] = (int) $line["cat_id"];
2455
2456                         $cv = array("id" => $line["cat_id"], "kind" => "cat",
2457                                 "counter" => $line["unread"]);
2458
2459                         array_push($ret_arr, $cv);
2460                 }
2461
2462                 /* Special case: NULL category doesn't actually exist in the DB */
2463
2464                 $cv = array("id" => 0, "kind" => "cat",
2465                         "counter" => ccache_find($link, 0, $_SESSION["uid"], true));
2466
2467                 array_push($ret_arr, $cv);
2468
2469                 return $ret_arr;
2470         }
2471
2472         function getCategoryUnread($link, $cat, $owner_uid = false) {
2473
2474                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2475
2476                 if ($cat >= 0) {
2477
2478                         if ($cat != 0) {
2479                                 $cat_query = "cat_id = '$cat'";
2480                         } else {
2481                                 $cat_query = "cat_id IS NULL";
2482                         }
2483
2484                         $age_qpart = getMaxAgeSubquery();
2485
2486                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2487                                         AND owner_uid = " . $owner_uid);
2488
2489                         $cat_feeds = array();
2490                         while ($line = db_fetch_assoc($result)) {
2491                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2492                         }
2493
2494                         if (count($cat_feeds) == 0) return 0;
2495
2496                         $match_part = implode(" OR ", $cat_feeds);
2497
2498                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2499                                 FROM ttrss_user_entries,ttrss_entries
2500                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2501                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2502
2503                         $unread = 0;
2504
2505                         # this needs to be rewritten
2506                         while ($line = db_fetch_assoc($result)) {
2507                                 $unread += $line["unread"];
2508                         }
2509
2510                         return $unread;
2511                 } else if ($cat == -1) {
2512                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
2513                 } else if ($cat == -2) {
2514
2515                         $result = db_query($link, "
2516                                 SELECT COUNT(unread) AS unread FROM
2517                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2518                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2519                                         ttrss_labels2.owner_uid = '$owner_uid'
2520                                         AND unread = true AND feed_id = ttrss_feeds.id
2521                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2522
2523                         $unread = db_fetch_result($result, 0, "unread");
2524
2525                         return $unread;
2526
2527                 }
2528         }
2529
2530         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2531                 if (DB_TYPE == "pgsql") {
2532                         return "ttrss_entries.date_updated >
2533                                 NOW() - INTERVAL '$days days'";
2534                 } else {
2535                         return "ttrss_entries.date_updated >
2536                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2537                 }
2538         }
2539
2540         function getFeedUnread($link, $feed, $is_cat = false) {
2541                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2542         }
2543
2544         function getLabelUnread($link, $label_id, $owner_uid = false) {
2545                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2546
2547                 $result = db_query($link, "
2548                         SELECT COUNT(unread) AS unread FROM
2549                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2550                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2551                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2552                                 AND unread = true AND feed_id = ttrss_feeds.id
2553                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2554
2555                 if (db_num_rows($result) != 0) {
2556                         return db_fetch_result($result, 0, "unread");
2557                 } else {
2558                         return 0;
2559                 }
2560         }
2561
2562         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2563                 $owner_uid = false) {
2564
2565                 $n_feed = (int) $feed;
2566
2567                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2568
2569                 if ($unread_only) {
2570                         $unread_qpart = "unread = true";
2571                 } else {
2572                         $unread_qpart = "true";
2573                 }
2574
2575                 $age_qpart = getMaxAgeSubquery();
2576
2577                 if ($is_cat) {
2578                         return getCategoryUnread($link, $n_feed, $owner_uid);
2579                 } if ($feed != "0" && $n_feed == 0) {
2580
2581                         $feed = db_escape_string($feed);
2582
2583                         $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
2584                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2585                                         AND ref_id = id AND $age_qpart
2586                                         AND $unread_qpart)) AS count FROM ttrss_tags
2587                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
2588                         return db_fetch_result($result, 0, "count");
2589
2590                 } else if ($n_feed == -1) {
2591                         $match_part = "marked = true";
2592                 } else if ($n_feed == -2) {
2593                         $match_part = "published = true";
2594                 } else if ($n_feed == -3) {
2595                         $match_part = "unread = true";
2596
2597                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2598
2599                         if (DB_TYPE == "pgsql") {
2600                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2601                         } else {
2602                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2603                         }
2604                 } else if ($n_feed == -4) {
2605                         $match_part = "true";
2606                 } else if ($n_feed >= 0) {
2607
2608                         if ($n_feed != 0) {
2609                                 $match_part = "feed_id = '$n_feed'";
2610                         } else {
2611                                 $match_part = "feed_id IS NULL";
2612                         }
2613
2614                 } else if ($feed < -10) {
2615
2616                         $label_id = -$feed - 11;
2617
2618                         return getLabelUnread($link, $label_id, $owner_uid);
2619
2620                 }
2621
2622                 if ($match_part) {
2623
2624                         if ($n_feed != 0) {
2625                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
2626                                 $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2627                         } else {
2628                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
2629                                 $feeds_qpart = '';
2630                         }
2631
2632                         $query = "SELECT count(int_id) AS unread
2633                                 FROM $from_qpart WHERE
2634                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2635                                 $age_qpart AND
2636                                 $feeds_qpart
2637                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
2638
2639                         $result = db_query($link, $query);
2640
2641                 } else {
2642
2643                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2644                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2645                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2646                                 AND $unread_qpart AND $age_qpart AND
2647                                         ttrss_tags.owner_uid = " . $owner_uid);
2648                 }
2649
2650                 $unread = db_fetch_result($result, 0, "unread");
2651
2652                 return $unread;
2653         }
2654
2655         function getGlobalUnread($link, $user_id = false) {
2656
2657                 if (!$user_id) {
2658                         $user_id = $_SESSION["uid"];
2659                 }
2660
2661                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2662                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2663
2664                 $c_id = db_fetch_result($result, 0, "c_id");
2665
2666                 return $c_id;
2667         }
2668
2669         function getGlobalCounters($link, $global_unread = -1) {
2670                 $ret_arr = array();
2671
2672                 if ($global_unread == -1) {
2673                         $global_unread = getGlobalUnread($link);
2674                 }
2675
2676                 $cv = array("id" => "global-unread",
2677                         "counter" => $global_unread);
2678
2679                 array_push($ret_arr, $cv);
2680
2681                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2682                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2683
2684                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2685
2686                 $cv = array("id" => "subscribed-feeds",
2687                         "counter" => $subscribed_feeds);
2688
2689                 array_push($ret_arr, $cv);
2690
2691                 return $ret_arr;
2692         }
2693
2694         function getSubscribedFeeds($link) {
2695                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2696                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2697
2698                 return db_fetch_result($result, 0, "fn");
2699         }
2700
2701         function getTagCounters($link) {
2702
2703                 $ret_arr = array();
2704
2705                 $age_qpart = getMaxAgeSubquery();
2706
2707                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2708                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2709                                 AND ref_id = id AND $age_qpart
2710                                 AND unread = true)) AS count FROM ttrss_tags
2711                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2712                                 ORDER BY count DESC LIMIT 55");
2713
2714                 $tags = array();
2715
2716                 while ($line = db_fetch_assoc($result)) {
2717                         $tags[$line["tag_name"]] += $line["count"];
2718                 }
2719
2720                 foreach (array_keys($tags) as $tag) {
2721                         $unread = $tags[$tag];
2722                         $tag = htmlspecialchars($tag);
2723
2724                         $cv = array("id" => $tag,
2725                                 "kind" => "tag",
2726                                 "counter" => $unread);
2727
2728                         array_push($ret_arr, $cv);
2729                 }
2730
2731                 return $ret_arr;
2732         }
2733
2734         function getVirtCounters($link) {
2735
2736                 $ret_arr = array();
2737
2738                 for ($i = 0; $i >= -4; $i--) {
2739
2740                         $count = getFeedUnread($link, $i);
2741
2742                         $cv = array("id" => $i,
2743                                 "counter" => $count);
2744
2745 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2746 //                              $cv["xmsg"] = getFeedArticles($link, $i)." ".__("total");
2747
2748                         array_push($ret_arr, $cv);
2749                 }
2750
2751                 return $ret_arr;
2752         }
2753
2754         function getLabelCounters($link, $descriptions = false) {
2755
2756                 $ret_arr = array();
2757
2758                 $age_qpart = getMaxAgeSubquery();
2759
2760                 $owner_uid = $_SESSION["uid"];
2761
2762                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2763                         WHERE owner_uid = '$owner_uid'");
2764
2765                 while ($line = db_fetch_assoc($result)) {
2766
2767                         $id = -$line["id"] - 11;
2768
2769                         $label_name = $line["caption"];
2770                         $count = getFeedUnread($link, $id);
2771
2772                         $cv = array("id" => $id,
2773                                 "counter" => $count);
2774
2775                         if ($descriptions)
2776                                 $cv["description"] = $label_name;
2777
2778 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2779 //                              $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2780
2781                         array_push($ret_arr, $cv);
2782                 }
2783
2784                 return $ret_arr;
2785         }
2786
2787         function getFeedCounters($link, $active_feed = false) {
2788
2789                 $ret_arr = array();
2790
2791                 $age_qpart = getMaxAgeSubquery();
2792
2793                 $query = "SELECT ttrss_feeds.id,
2794                                 ttrss_feeds.title,
2795                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2796                                 last_error, value AS count
2797                         FROM ttrss_feeds, ttrss_counters_cache
2798                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2799                                 AND ttrss_counters_cache.feed_id = id";
2800
2801                 $result = db_query($link, $query);
2802                 $fctrs_modified = false;
2803
2804                 while ($line = db_fetch_assoc($result)) {
2805
2806                         $id = $line["id"];
2807                         $count = $line["count"];
2808                         $last_error = htmlspecialchars($line["last_error"]);
2809
2810                         $last_updated = make_local_datetime($link, $line['last_updated'], false);
2811
2812                         $has_img = feed_has_icon($id);
2813
2814                         if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
2815                                 $last_updated = '';
2816
2817                         $cv = array("id" => $id,
2818                                 "updated" => $last_updated,
2819                                 "counter" => $count,
2820                                 "has_img" => (int) $has_img);
2821
2822                         if ($last_error)
2823                                 $cv["error"] = $last_error;
2824
2825 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2826 //                              $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2827
2828                         if ($active_feed && $id == $active_feed)
2829                                 $cv["title"] = truncate_string($line["title"], 30);
2830
2831                         array_push($ret_arr, $cv);
2832
2833                 }
2834
2835                 return $ret_arr;
2836         }
2837
2838         function get_pgsql_version($link) {
2839                 $result = db_query($link, "SELECT version() AS version");
2840                 $version = split(" ", db_fetch_result($result, 0, "version"));
2841                 return $version[1];
2842         }
2843
2844         function print_error_xml($code, $add_msg = "") {
2845                 global $ERRORS;
2846
2847                 $error_msg = $ERRORS[$code];
2848
2849                 if ($add_msg) {
2850                         $error_msg = "$error_msg; $add_msg";
2851                 }
2852
2853                 print "<rpc-reply>";
2854                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2855                 print "</rpc-reply>";
2856         }
2857
2858         /**
2859          * Subscribes the user to the given feed
2860          *
2861          * @param resource $link       Database connection
2862          * @param string   $url        Feed URL to subscribe to
2863          * @param integer  $cat_id     Category ID the feed shall be added to
2864          * @param string   $auth_login (optional) Feed username
2865          * @param string   $auth_pass  (optional) Feed password
2866          *
2867          * @return integer Status code:
2868          *                 0 - OK, Feed already exists
2869          *                 1 - OK, Feed added
2870          *                 2 - Invalid URL
2871          *                 3 - URL content is HTML, no feeds available
2872          *                 4 - URL content is HTML which contains multiple feeds.
2873          *                     Here you should call extractfeedurls in rpc-backend
2874          *                     to get all possible feeds.
2875          *                 5 - Couldn't download the URL content.
2876          */
2877         function subscribe_to_feed($link, $url, $cat_id = 0,
2878                         $auth_login = '', $auth_pass = '') {
2879
2880                 $url = fix_url($url);
2881                 if (!validate_feed_url($url)) return 2;
2882                 if (!fetch_file_contents($url)) return 5;
2883
2884                 if (url_is_html($url)) {
2885                         $feedUrls = get_feeds_from_html($url);
2886                         if (count($feedUrls) == 0) {
2887                                 return 3;
2888                         } else if (count($feedUrls) > 1) {
2889                                 return 4;
2890                         }
2891                         //use feed url as new URL
2892                         $url = key($feedUrls);
2893                 }
2894
2895                 if ($cat_id == "0" || !$cat_id) {
2896                         $cat_qpart = "NULL";
2897                 } else {
2898                         $cat_qpart = "'$cat_id'";
2899                 }
2900
2901                 $result = db_query($link,
2902                         "SELECT id FROM ttrss_feeds
2903                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
2904
2905                 if (db_num_rows($result) == 0) {
2906                         $result = db_query($link,
2907                                 "INSERT INTO ttrss_feeds
2908                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2909                                 VALUES ('".$_SESSION["uid"]."', '$url',
2910                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2911
2912                         $result = db_query($link,
2913                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
2914                                         AND owner_uid = " . $_SESSION["uid"]);
2915
2916                         $feed_id = db_fetch_result($result, 0, "id");
2917
2918                         if ($feed_id) {
2919                                 update_rss_feed($link, $feed_id, true);
2920                         }
2921
2922                         return 1;
2923                 } else {
2924                         return 0;
2925                 }
2926         }
2927
2928         function print_feed_select($link, $id, $default_id = "",
2929                 $attributes = "", $include_all_feeds = true) {
2930
2931                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2932                 if ($include_all_feeds) {
2933                         print "<option value=\"0\">".__('All feeds')."</option>";
2934                 }
2935
2936                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2937                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2938
2939                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2940                         print "<option disabled>--------</option>";
2941                 }
2942
2943                 while ($line = db_fetch_assoc($result)) {
2944                         if ($line["id"] == $default_id) {
2945                                 $is_selected = "selected=\"1\"";
2946                         } else {
2947                                 $is_selected = "";
2948                         }
2949
2950                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
2951
2952                         printf("<option $is_selected value='%d'>%s</option>",
2953                                 $line["id"], $title);
2954                 }
2955
2956                 print "</select>";
2957         }
2958
2959         function print_feed_cat_select($link, $id, $default_id = "",
2960                 $attributes = "", $include_all_cats = true) {
2961
2962                 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
2963
2964                 if ($include_all_cats) {
2965                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2966                 }
2967
2968                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2969                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2970
2971                 if (db_num_rows($result) > 0 && $include_all_cats) {
2972                         print "<option disabled=\"1\">--------</option>";
2973                 }
2974
2975                 while ($line = db_fetch_assoc($result)) {
2976                         if ($line["id"] == $default_id) {
2977                                 $is_selected = "selected=\"1\"";
2978                         } else {
2979                                 $is_selected = "";
2980                         }
2981
2982                         if ($line["title"])
2983                                 printf("<option $is_selected value='%d'>%s</option>",
2984                                         $line["id"], htmlspecialchars($line["title"]));
2985                 }
2986
2987                 print "<option value=\"ADD_CAT\">" .__("Add category...") . "</option>";
2988
2989                 print "</select>";
2990         }
2991
2992         function checkbox_to_sql_bool($val) {
2993                 return ($val == "on") ? "true" : "false";
2994         }
2995
2996         function getFeedCatTitle($link, $id) {
2997                 if ($id == -1) {
2998                         return __("Special");
2999                 } else if ($id < -10) {
3000                         return __("Labels");
3001                 } else if ($id > 0) {
3002                         $result = db_query($link, "SELECT ttrss_feed_categories.title
3003                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
3004                                         cat_id = ttrss_feed_categories.id");
3005                         if (db_num_rows($result) == 1) {
3006                                 return db_fetch_result($result, 0, "title");
3007                         } else {
3008                                 return __("Uncategorized");
3009                         }
3010                 } else {
3011                         return "getFeedCatTitle($id) failed";
3012                 }
3013
3014         }
3015
3016         function getFeedIcon($id) {
3017                 switch ($id) {
3018                 case 0:
3019                         return "images/archive.png";
3020                         break;
3021                 case -1:
3022                         return "images/mark_set.png";
3023                         break;
3024                 case -2:
3025                         return "images/pub_set.png";
3026                         break;
3027                 case -3:
3028                         return "images/fresh.png";
3029                         break;
3030                 case -4:
3031                         return "images/tag.png";
3032                         break;
3033                 default:
3034                         if ($id < -10) {
3035                                 return "images/label.png";
3036                         } else {
3037                                 return ICONS_URL . "/$id.ico";
3038                         }
3039                         break;
3040                 }
3041         }
3042
3043         function getFeedTitle($link, $id) {
3044                 if ($id == -1) {
3045                         return __("Starred articles");
3046                 } else if ($id == -2) {
3047                         return __("Published articles");
3048                 } else if ($id == -3) {
3049                         return __("Fresh articles");
3050                 } else if ($id == -4) {
3051                         return __("All articles");
3052                 } else if ($id === 0 || $id === "0") {
3053                         return __("Archived articles");
3054                 } else if ($id < -10) {
3055                         $label_id = -$id - 11;
3056                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
3057                         if (db_num_rows($result) == 1) {
3058                                 return db_fetch_result($result, 0, "caption");
3059                         } else {
3060                                 return "Unknown label ($label_id)";
3061                         }
3062
3063                 } else if ($id > 0) {
3064                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3065                         if (db_num_rows($result) == 1) {
3066                                 return db_fetch_result($result, 0, "title");
3067                         } else {
3068                                 return "Unknown feed ($id)";
3069                         }
3070                 } else {
3071                         return $id;
3072                 }
3073         }
3074
3075         function get_session_cookie_name() {
3076                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3077         }
3078
3079         function make_init_params($link) {
3080                 $params = array();
3081
3082                 $params["theme"] = get_user_theme($link);
3083                 $params["theme_options"] = get_user_theme_options($link);
3084                 $params["daemon_enabled"] = ENABLE_UPDATE_DAEMON;
3085
3086                 $params["sign_progress"] = theme_image($link, "images/indicator_white.gif");
3087                 $params["sign_progress_tiny"] = theme_image($link, "images/indicator_tiny.gif");
3088                 $params["sign_excl"] = theme_image($link, "images/sign_excl.png");
3089                 $params["sign_info"] = theme_image($link, "images/sign_info.png");
3090
3091                 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
3092                         "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
3093                         "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE", "DEFAULT_ARTICLE_LIMIT",
3094                         "HIDE_READ_SHOWS_SPECIAL", "HIDE_FEEDLIST", "COMBINED_DISPLAY_MODE") as $param) {
3095
3096                                  $params[strtolower($param)] = (int) get_pref($link, $param);
3097                  }
3098
3099                 $params["icons_url"] = ICONS_URL;
3100                 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
3101                 $params["default_view_mode"] = get_pref($link, "_DEFAULT_VIEW_MODE");
3102                 $params["default_view_limit"] = (int) get_pref($link, "_DEFAULT_VIEW_LIMIT");
3103                 $params["default_view_order_by"] = get_pref($link, "_DEFAULT_VIEW_ORDER_BY");
3104                 $params["prefs_active_tab"] = get_pref($link, "_PREFS_ACTIVE_TAB");
3105                 $params["infobox_disable_overlay"] = get_pref($link, "_INFOBOX_DISABLE_OVERLAY");
3106                 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
3107                 $params["offline_enabled"] = (int) get_pref($link, "ENABLE_OFFLINE_READING");
3108
3109                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3110                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3111
3112                 $num_feeds = db_fetch_result($result, 0, "cf");
3113
3114                 $params["num_feeds"] = (int) $num_feeds;
3115                 $params["collapsed_feedlist"] = (int) get_pref($link, "_COLLAPSED_FEEDLIST");
3116
3117                 return $params;
3118         }
3119
3120         function print_runtime_info($link) {
3121                 print "<runtime-info><![CDATA[";
3122                 print json_encode(make_runtime_info($link));
3123                 print "]]></runtime-info>";
3124         }
3125
3126         function make_runtime_info($link) {
3127                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3128                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3129
3130                 $num_feeds = db_fetch_result($result, 0, "cf");
3131
3132                 $data = array();
3133
3134                 $data['num_feeds'] = (int) $num_feeds;
3135                 $data['last_article_id'] = getLastArticleId($link);
3136                 $data['cdm_expanded'] = get_pref($link, 'CDM_EXPANDED');
3137
3138                 if (ENABLE_UPDATE_DAEMON) {
3139
3140                         $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
3141
3142                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3143
3144                                 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
3145
3146                                 if ($stamp) {
3147                                         $stamp_delta = time() - $stamp;
3148
3149                                         if ($stamp_delta > 1800) {
3150                                                 $stamp_check = 0;
3151                                         } else {
3152                                                 $stamp_check = 1;
3153                                                 $_SESSION["daemon_stamp_check"] = time();
3154                                         }
3155
3156                                         $data['daemon_stamp_ok'] = $stamp_check;
3157
3158                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3159
3160                                         $data['daemon_stamp'] = $stamp_fmt;
3161                                 }
3162                         }
3163                 }
3164
3165                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3166
3167                         if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3168                                 $new_version_details = @check_for_update($link);
3169
3170                                 $data['new_version_available'] = (int) $new_version_details != "";
3171
3172                                 $_SESSION["last_version_check"] = time();
3173                         }
3174                 }
3175
3176                 return $data;
3177         }
3178
3179         function getSearchSql($search, $match_on) {
3180
3181                 $search_query_part = "";
3182
3183                 $keywords = split(" ", $search);
3184                 $query_keywords = array();
3185
3186                 if ($match_on == "both") {
3187
3188                         foreach ($keywords as $k) {
3189                                 if (strpos($k, "-") === 0) {
3190                                         $k = substr($k, 1);
3191                                         $not = "NOT";
3192                                 } else {
3193                                         $not = "";
3194                                 }
3195
3196                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
3197                                         OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3198                         }
3199
3200                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3201
3202                 } else if ($match_on == "title") {
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                         }
3214
3215                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3216
3217                 } else if ($match_on == "content") {
3218
3219                         foreach ($keywords as $k) {
3220                                 if (strpos($k, "-") === 0) {
3221                                         $k = substr($k, 1);
3222                                         $not = "NOT";
3223                                 } else {
3224                                         $not = "";
3225                                 }
3226
3227                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3228                         }
3229                 }
3230
3231                 $search_query_part = implode("AND", $query_keywords);
3232
3233                 return $search_query_part;
3234         }
3235
3236         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3237
3238                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3239
3240                 $ext_tables_part = "";
3241
3242                         if ($search) {
3243
3244                                 if (SPHINX_ENABLED) {
3245                                         $ids = join(",", @sphinx_search($search, 0, 500));
3246
3247                                         if ($ids)
3248                                                 $search_query_part = "ref_id IN ($ids) AND ";
3249                                         else
3250                                                 $search_query_part = "ref_id = -1 AND ";
3251
3252                                 } else {
3253                                         $search_query_part = getSearchSql($search, $match_on);
3254                                         $search_query_part .= " AND ";
3255                                 }
3256
3257                         } else {
3258                                 $search_query_part = "";
3259                         }
3260
3261                         $view_query_part = "";
3262
3263                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3264                                 if ($search) {
3265                                         $view_query_part = " ";
3266                                 } else if ($feed != -1) {
3267                                         $unread = getFeedUnread($link, $feed, $cat_view);
3268                                         if ($unread > 0) {
3269                                                 $view_query_part = " unread = true AND ";
3270                                         }
3271                                 }
3272                         }
3273
3274                         if ($view_mode == "marked") {
3275                                 $view_query_part = " marked = true AND ";
3276                         }
3277
3278                         if ($view_mode == "published") {
3279                                 $view_query_part = " published = true AND ";
3280                         }
3281
3282                         if ($view_mode == "unread") {
3283                                 $view_query_part = " unread = true AND ";
3284                         }
3285
3286                         if ($view_mode == "updated") {
3287                                 $view_query_part = " (last_read is null and unread = false) AND ";
3288                         }
3289
3290                         if ($limit > 0) {
3291                                 $limit_query_part = "LIMIT " . $limit;
3292                         }
3293
3294                         $vfeed_query_part = "";
3295
3296                         // override query strategy and enable feed display when searching globally
3297                         if ($search && $search_mode == "all_feeds") {
3298                                 $query_strategy_part = "ttrss_entries.id > 0";
3299                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3300                         /* tags */
3301                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3302                                 $query_strategy_part = "ttrss_entries.id > 0";
3303                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3304                                         id = feed_id) as feed_title,";
3305                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
3306
3307                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3308
3309                                 $tmp_result = false;
3310
3311                                 if ($cat_view) {
3312                                         $tmp_result = db_query($link, "SELECT id
3313                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3314                                 } else {
3315                                         $tmp_result = db_query($link, "SELECT id
3316                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3317                                                         WHERE id = '$feed') AND id != '$feed'");
3318                                 }
3319
3320                                 $cat_siblings = array();
3321
3322                                 if (db_num_rows($tmp_result) > 0) {
3323                                         while ($p = db_fetch_assoc($tmp_result)) {
3324                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3325                                         }
3326
3327                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3328                                                 $feed, implode(" OR ", $cat_siblings));
3329
3330                                 } else {
3331                                         $query_strategy_part = "ttrss_entries.id > 0";
3332                                 }
3333
3334                         } else if ($feed > 0) {
3335
3336                                 if ($cat_view) {
3337
3338                                         if ($feed > 0) {
3339                                                 $query_strategy_part = "cat_id = '$feed'";
3340                                         } else {
3341                                                 $query_strategy_part = "cat_id IS NULL";
3342                                         }
3343
3344                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3345
3346                                 } else {
3347                                         $query_strategy_part = "feed_id = '$feed'";
3348                                 }
3349                         } else if ($feed == 0 && !$cat_view) { // archive virtual feed
3350                                 $query_strategy_part = "feed_id IS NULL";
3351                         } else if ($feed == 0 && $cat_view) { // uncategorized
3352                                 $query_strategy_part = "cat_id IS NULL";
3353                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3354                         } else if ($feed == -1) { // starred virtual feed
3355                                 $query_strategy_part = "marked = true";
3356                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3357                         } else if ($feed == -2) { // published virtual feed OR labels category
3358
3359                                 if (!$cat_view) {
3360                                         $query_strategy_part = "published = true";
3361                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3362                                 } else {
3363                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3364
3365                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3366
3367                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3368                                                 ttrss_user_labels2.article_id = ref_id";
3369
3370                                 }
3371
3372                         } else if ($feed == -3) { // fresh virtual feed
3373                                 $query_strategy_part = "unread = true";
3374
3375                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3376
3377                                 if (DB_TYPE == "pgsql") {
3378                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3379                                 } else {
3380                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3381                                 }
3382
3383                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3384                         } else if ($feed == -4) { // all articles virtual feed
3385                                 $query_strategy_part = "true";
3386                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3387                         } else if ($feed <= -10) { // labels
3388                                 $label_id = -$feed - 11;
3389
3390                                 $query_strategy_part = "label_id = '$label_id' AND
3391                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3392                                         ttrss_user_labels2.article_id = ref_id";
3393
3394                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3395                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3396
3397                         } else {
3398                                 $query_strategy_part = "id > 0"; // dumb
3399                         }
3400
3401                         if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3402                                 $date_sort_field = "updated";
3403                         } else {
3404                                 $date_sort_field = "date_entered";
3405                         }
3406
3407                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3408                                 $order_by = "$date_sort_field";
3409                         } else {
3410                                 $order_by = "$date_sort_field DESC";
3411                         }
3412
3413                         if ($view_mode != "noscores") {
3414                                 $order_by = "score DESC, $order_by";
3415                         }
3416
3417                         if ($override_order) {
3418                                 $order_by = $override_order;
3419                         }
3420
3421                         $feed_title = "";
3422
3423                         if ($search) {
3424                                 $feed_title = "Search results";
3425                         } else {
3426                                 if ($cat_view) {
3427                                         $feed_title = getCategoryTitle($link, $feed);
3428                                 } else {
3429                                         if ((int)$feed == $feed && $feed > 0) {
3430                                                 $result = db_query($link, "SELECT title,site_url,last_error
3431                                                         FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
3432
3433                                                 $feed_title = db_fetch_result($result, 0, "title");
3434                                                 $feed_site_url = db_fetch_result($result, 0, "site_url");
3435                                                 $last_error = db_fetch_result($result, 0, "last_error");
3436                                         } else {
3437                                                 $feed_title = getFeedTitle($link, $feed);
3438                                         }
3439                                 }
3440                         }
3441
3442                         $content_query_part = "content as content_preview,";
3443
3444                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3445
3446                                 if ($feed >= 0) {
3447                                         $feed_kind = "Feeds";
3448                                 } else {
3449                                         $feed_kind = "Labels";
3450                                 }
3451
3452                                 if ($limit_query_part) {
3453                                         $offset_query_part = "OFFSET $offset";
3454                                 }
3455
3456                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3457                                         if (!$override_order) {
3458                                                 $order_by = "ttrss_feeds.title, $order_by";
3459                                         }
3460                                 }
3461
3462                                 if ($feed != "0") {
3463                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
3464                                         $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
3465
3466                                 } else {
3467                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
3468                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
3469                                 }
3470
3471                                 $query = "SELECT DISTINCT
3472                                                 date_entered,
3473                                                 guid,
3474                                                 ttrss_entries.id,ttrss_entries.title,
3475                                                 updated,
3476                                                 note,
3477                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
3478                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3479                                                 $vfeed_query_part
3480                                                 $content_query_part
3481                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3482                                                 author,score
3483                                         FROM
3484                                                 $from_qpart
3485                                         WHERE
3486                                         $feed_check_qpart
3487                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3488                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3489                                         $search_query_part
3490                                         $view_query_part
3491                                         $query_strategy_part ORDER BY $order_by
3492                                         $limit_query_part $offset_query_part";
3493
3494                                 if ($_REQUEST["debug"]) print $query;
3495
3496                                 $result = db_query($link, $query);
3497
3498                         } else {
3499                                 // browsing by tag
3500
3501                                 $feed_kind = "Tags";
3502
3503                                 $result = db_query($link, "SELECT
3504                                         guid,
3505                                         note,
3506                                         ttrss_entries.id as id,title,
3507                                         updated,
3508                                         unread,feed_id,orig_feed_id,
3509                                         marked,link,last_read,
3510                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3511                                         $vfeed_query_part
3512                                         $content_query_part
3513                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3514                                         score
3515                                         FROM
3516                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3517                                         WHERE
3518                                                 ref_id = ttrss_entries.id AND
3519                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3520                                                 post_int_id = int_id AND tag_name = '$feed' AND
3521                                                 $view_query_part
3522                                                 $search_query_part
3523                                                 $query_strategy_part ORDER BY $order_by
3524                                         $limit_query_part");
3525                         }
3526
3527                         return array($result, $feed_title, $feed_site_url, $last_error);
3528
3529         }
3530
3531         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3532                 $limit, $search, $search_mode, $match_on, $view_mode = false) {
3533
3534                 $note_style =   "float : right; background-color : #fff7d5; border-width : 1px; ".
3535                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3536                         "margin-bottom : 1em; color : #9a8c59;";
3537
3538                 if (!$limit) $limit = 30;
3539
3540                 if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3541                         $date_sort_field = "updated";
3542                 } else {
3543                         $date_sort_field = "date_entered";
3544                 }
3545
3546                 $qfh_ret = queryFeedHeadlines($link, $feed,
3547                         $limit, $view_mode, $is_cat, $search, $search_mode,
3548                         $match_on, "$date_sort_field DESC", 0, $owner_uid);
3549
3550                 $result = $qfh_ret[0];
3551                 $feed_title = htmlspecialchars($qfh_ret[1]);
3552                 $feed_site_url = $qfh_ret[2];
3553                 $last_error = $qfh_ret[3];
3554
3555 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3556
3557                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3558                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3559                         <rss version=\"2.0\">
3560                         <channel>
3561                         <title>$feed_title</title>
3562                         <link>$feed_site_url</link>
3563                         <description>Feed generated by Tiny Tiny RSS</description>";
3564
3565                 while ($line = db_fetch_assoc($result)) {
3566                         print "<item>";
3567                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3568                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3569
3570                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3571
3572                         foreach ($tags as $tag) {
3573                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3574                         }
3575
3576                         $rfc822_date = date('r', strtotime($line["updated"]));
3577
3578                         print "<pubDate>$rfc822_date</pubDate>";
3579
3580                         if ($line["author"]) {
3581                                 print "<author>" . htmlspecialchars($line["author"]) . "</author>";
3582                         }
3583
3584                         print "<title><![CDATA[" .
3585                                 htmlspecialchars($line["title"]) . "]]></title>";
3586
3587                         print "<description><![CDATA[";
3588
3589                         if ($line["note"]) {
3590                                 print "<div style='$note_style'>";
3591                                 print $line["note"];
3592                                 print "</div>";
3593                         }
3594
3595                         print sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3596                         print "]]></description>";
3597
3598                         $enclosures = get_article_enclosures($link, $line["id"]);
3599
3600                         foreach ($enclosures as $e) {
3601                                 $type = htmlspecialchars($e['content_type']);
3602                                 $url = htmlspecialchars($e['content_url']);
3603                                 $length = $e['duration'];
3604                                 print "<enclosure url=\"$url\" type=\"$type\" length=\"$length\"/>";
3605                         }
3606
3607                         print "</item>";
3608                 }
3609
3610                 print "</channel></rss>";
3611
3612         }
3613
3614         function getCategoryTitle($link, $cat_id) {
3615
3616                 if ($cat_id == -1) {
3617                         return __("Special");
3618                 } else if ($cat_id == -2) {
3619                         return __("Labels");
3620                 } else {
3621
3622                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3623                                 id = '$cat_id'");
3624
3625                         if (db_num_rows($result) == 1) {
3626                                 return db_fetch_result($result, 0, "title");
3627                         } else {
3628                                 return "Uncategorized";
3629                         }
3630                 }
3631         }
3632
3633         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) {
3634                 global $purifier;
3635
3636                 if (!$owner) $owner = $_SESSION["uid"];
3637
3638                 $res = trim($str); if (!$res) return '';
3639
3640                 if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3641                         $res = $purifier->purify($res);
3642                 }
3643
3644                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3645                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3646                 }
3647
3648                 $charset_hack = '<head>
3649                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3650                 </head>';
3651
3652                 $res = trim($res); if (!$res) return '';
3653
3654                 libxml_use_internal_errors(true);
3655
3656                 $doc = new DOMDocument();
3657                 $doc->loadHTML($charset_hack . $res);
3658                 $xpath = new DOMXPath($doc);
3659
3660                 $entries = $xpath->query('(//a[@href]|//img[@src])');
3661                 $br_inserted = 0;
3662
3663                 foreach ($entries as $entry) {
3664
3665                         if ($site_url) {
3666
3667                                 if ($entry->hasAttribute('href'))
3668                                         $entry->setAttribute('href',
3669                                                 rewrite_relative_url($site_url, $entry->getAttribute('href')));
3670
3671                                 if ($entry->hasAttribute('src'))
3672                                         $entry->setAttribute('src',
3673                                                 rewrite_relative_url($site_url, $entry->getAttribute('src')));
3674                         }
3675
3676                         if (strtolower($entry->nodeName) == "a") {
3677                                 if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW', $owner)) {
3678                                         $entry->setAttribute("target", "_blank");
3679                                 }
3680                         }
3681
3682                         if (strtolower($entry->nodeName) == "img" && !$br_inserted) {
3683                                 $br = $doc->createElement("br");
3684
3685                                 if ($entry->parentNode->nextSibling) {
3686                                         $entry->parentNode->insertBefore($br, $entry->nextSibling);
3687                                         $br_inserted = 1;
3688                                 }
3689
3690                         }
3691                 }
3692
3693                 $node = $doc->getElementsByTagName('body')->item(0);
3694
3695                 return $doc->saveXML($node);
3696         }
3697
3698         /**
3699          * Send by mail a digest of last articles.
3700          *
3701          * @param mixed $link The database connection.
3702          * @param integer $limit The maximum number of articles by digest.
3703          * @return boolean Return false if digests are not enabled.
3704          */
3705         function send_headlines_digests($link, $limit = 100) {
3706
3707                 if (!DIGEST_ENABLE) return false;
3708
3709                 $user_limit = DIGEST_EMAIL_LIMIT;
3710                 $days = 1;
3711
3712                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3713
3714                 if (DB_TYPE == "pgsql") {
3715                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3716                 } else if (DB_TYPE == "mysql") {
3717                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3718                 }
3719
3720                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3721                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3722
3723                 while ($line = db_fetch_assoc($result)) {
3724
3725                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3726                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3727
3728                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3729
3730                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3731                                 $digest = $tuple[0];
3732                                 $headlines_count = $tuple[1];
3733                                 $affected_ids = $tuple[2];
3734                                 $digest_text = $tuple[3];
3735
3736                                 if ($headlines_count > 0) {
3737
3738                                         $mail = new PHPMailer();
3739
3740                                         $mail->PluginDir = "lib/phpmailer/";
3741                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3742
3743                                         $mail->CharSet = "UTF-8";
3744
3745                                         $mail->From = DIGEST_FROM_ADDRESS;
3746                                         $mail->FromName = DIGEST_FROM_NAME;
3747                                         $mail->AddAddress($line["email"], $line["login"]);
3748
3749                                         if (DIGEST_SMTP_HOST) {
3750                                                 $mail->Host = DIGEST_SMTP_HOST;
3751                                                 $mail->Mailer = "smtp";
3752                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3753                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3754                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3755                                         }
3756
3757                                         $mail->IsHTML(true);
3758                                         $mail->Subject = DIGEST_SUBJECT;
3759                                         $mail->Body = $digest;
3760                                         $mail->AltBody = $digest_text;
3761
3762                                         $rc = $mail->Send();
3763
3764                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3765
3766                                         print "RC=$rc\n";
3767
3768                                         if ($rc && $do_catchup) {
3769                                                 print "Marking affected articles as read...\n";
3770                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3771                                         }
3772                                 } else {
3773                                         print "No headlines\n";
3774                                 }
3775
3776                                 db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3777                                         WHERE id = " . $line["id"]);
3778                         }
3779                 }
3780
3781                 print "All done.\n";
3782
3783         }
3784
3785         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3786
3787                 require_once "lib/MiniTemplator.class.php";
3788
3789                 $tpl = new MiniTemplator;
3790                 $tpl_t = new MiniTemplator;
3791
3792                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3793                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3794
3795                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3796                 $tpl->setVariable('CUR_TIME', date('G:i'));
3797
3798                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3799                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3800
3801                 $affected_ids = array();
3802
3803                 if (DB_TYPE == "pgsql") {
3804                         $interval_query = "ttrss_entries.date_updated > NOW() - INTERVAL '$days days'";
3805                 } else if (DB_TYPE == "mysql") {
3806                         $interval_query = "ttrss_entries.date_updated > DATE_SUB(NOW(), INTERVAL $days DAY)";
3807                 }
3808
3809                 $result = db_query($link, "SELECT ttrss_entries.title,
3810                                 ttrss_feeds.title AS feed_title,
3811                                 date_updated,
3812                                 ttrss_user_entries.ref_id,
3813                                 link,
3814                                 SUBSTRING(content, 1, 120) AS excerpt,
3815                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3816                         FROM
3817                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3818                         WHERE
3819                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3820                                 AND include_in_digest = true
3821                                 AND $interval_query
3822                                 AND ttrss_user_entries.owner_uid = $user_id
3823                                 AND unread = true
3824                         ORDER BY ttrss_feeds.title, date_updated DESC
3825                         LIMIT $limit");
3826
3827                 $cur_feed_title = "";
3828
3829                 $headlines_count = db_num_rows($result);
3830
3831                 $headlines = array();
3832
3833                 while ($line = db_fetch_assoc($result)) {
3834                         array_push($headlines, $line);
3835                 }
3836
3837                 for ($i = 0; $i < sizeof($headlines); $i++) {
3838
3839                         $line = $headlines[$i];
3840
3841                         array_push($affected_ids, $line["ref_id"]);
3842
3843                         $updated = make_local_datetime($link, $line['last_updated'], false,
3844                                 $user_id);
3845
3846                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3847                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3848                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3849                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3850                         $tpl->setVariable('ARTICLE_EXCERPT',
3851                                 truncate_string(strip_tags($line["excerpt"]), 100));
3852
3853                         $tpl->addBlock('article');
3854
3855                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3856                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3857                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3858                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3859 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3860 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3861
3862                         $tpl_t->addBlock('article');
3863
3864                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3865                                 $tpl->addBlock('feed');
3866                                 $tpl_t->addBlock('feed');
3867                         }
3868
3869                 }
3870
3871                 $tpl->addBlock('digest');
3872                 $tpl->generateOutputToString($tmp);
3873
3874                 $tpl_t->addBlock('digest');
3875                 $tpl_t->generateOutputToString($tmp_t);
3876
3877                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3878         }
3879
3880         function check_for_update($link) {
3881                 $releases_feed = "http://tt-rss.org/releases.rss";
3882
3883                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3884                         return;
3885                 }
3886
3887                 if (DEFAULT_UPDATE_METHOD == "1") {
3888                         $rss = new SimplePie();
3889                         $rss->set_useragent(SELF_USER_AGENT);
3890                         $rss->set_feed_url($fetch_url);
3891                         $rss->set_output_encoding('UTF-8');
3892                         $rss->init();
3893                 } else {
3894                         $rss = fetch_rss($releases_feed);
3895                 }
3896
3897                 if ($rss) {
3898
3899                         if (DEFAULT_UPDATE_METHOD == "1") {
3900                                 $items = $rss->get_items();
3901                         } else {
3902                                 $items = $rss->items;
3903
3904                                 if (!$items || !is_array($items)) $items = $rss->entries;
3905                                 if (!$items || !is_array($items)) $items = $rss;
3906                         }
3907
3908                         if (!is_array($items) || count($items) == 0) {
3909                                 return;
3910                         }
3911
3912                         $latest_item = $items[0];
3913
3914                         if (DEFAULT_UPDATE_METHOD == "1") {
3915                                 $last_title = $latest_item->get_title();
3916                         } else {
3917                                 $last_title = $latest_item["title"];
3918                         }
3919
3920                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3921
3922                         if (DEFAULT_UPDATE_METHOD == "1") {
3923                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3924                                 $content = sanitize_rss($link, $latest_item->get_description());
3925                         } else {
3926                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3927                                 $content = sanitize_rss($link, $latest_item["description"]);
3928                         }
3929
3930                         if (version_compare(VERSION, $latest_version) == -1) {
3931                                 return sprintf("New version of Tiny-Tiny RSS (%s) is available:",
3932                                         $latest_version)."<div class='milestoneDetails'>$content</div>";
3933                         } else {
3934                                 return false;
3935                         }
3936                 }
3937         }
3938
3939         function markArticlesById($link, $ids, $cmode) {
3940
3941                 $tmp_ids = array();
3942
3943                 foreach ($ids as $id) {
3944                         array_push($tmp_ids, "ref_id = '$id'");
3945                 }
3946
3947                 $ids_qpart = join(" OR ", $tmp_ids);
3948
3949                 if ($cmode == 0) {
3950                         db_query($link, "UPDATE ttrss_user_entries SET
3951                         marked = false,last_read = NOW()
3952                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3953                 } else if ($cmode == 1) {
3954                         db_query($link, "UPDATE ttrss_user_entries SET
3955                         marked = true
3956                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3957                 } else {
3958                         db_query($link, "UPDATE ttrss_user_entries SET
3959                         marked = NOT marked,last_read = NOW()
3960                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3961                 }
3962         }
3963
3964         function publishArticlesById($link, $ids, $cmode) {
3965
3966                 $tmp_ids = array();
3967
3968                 foreach ($ids as $id) {
3969                         array_push($tmp_ids, "ref_id = '$id'");
3970                 }
3971
3972                 $ids_qpart = join(" OR ", $tmp_ids);
3973
3974                 if ($cmode == 0) {
3975                         db_query($link, "UPDATE ttrss_user_entries SET
3976                         published = false,last_read = NOW()
3977                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3978                 } else if ($cmode == 1) {
3979                         db_query($link, "UPDATE ttrss_user_entries SET
3980                         published = true
3981                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3982                 } else {
3983                         db_query($link, "UPDATE ttrss_user_entries SET
3984                         published = NOT published,last_read = NOW()
3985                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3986                 }
3987         }
3988
3989         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
3990
3991                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3992                 if (count($ids) == 0) return;
3993
3994                 $tmp_ids = array();
3995
3996                 foreach ($ids as $id) {
3997                         array_push($tmp_ids, "ref_id = '$id'");
3998                 }
3999
4000                 $ids_qpart = join(" OR ", $tmp_ids);
4001
4002                 if ($cmode == 0) {
4003                         db_query($link, "UPDATE ttrss_user_entries SET
4004                         unread = false,last_read = NOW()
4005                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4006                 } else if ($cmode == 1) {
4007                         db_query($link, "UPDATE ttrss_user_entries SET
4008                         unread = true
4009                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4010                 } else {
4011                         db_query($link, "UPDATE ttrss_user_entries SET
4012                         unread = NOT unread,last_read = NOW()
4013                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4014                 }
4015
4016                 /* update ccache */
4017
4018                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
4019                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4020
4021                 while ($line = db_fetch_assoc($result)) {
4022                         ccache_update($link, $line["feed_id"], $owner_uid);
4023                 }
4024         }
4025
4026         function catchupArticleById($link, $id, $cmode) {
4027
4028                 if ($cmode == 0) {
4029                         db_query($link, "UPDATE ttrss_user_entries SET
4030                         unread = false,last_read = NOW()
4031                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4032                 } else if ($cmode == 1) {
4033                         db_query($link, "UPDATE ttrss_user_entries SET
4034                         unread = true
4035                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4036                 } else {
4037                         db_query($link, "UPDATE ttrss_user_entries SET
4038                         unread = NOT unread,last_read = NOW()
4039                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4040                 }
4041
4042                 $feed_id = getArticleFeed($link, $id);
4043                 ccache_update($link, $feed_id, $_SESSION["uid"]);
4044         }
4045
4046         function make_guid_from_title($title) {
4047                 return preg_replace("/[ \"\',.:;]/", "-",
4048                         mb_strtolower(strip_tags($title), 'utf-8'));
4049         }
4050
4051         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4052                         $feed_id, $is_cat, $search, $match_on,
4053                         $search_mode, $view_mode) {
4054
4055 #                       print "<div class=\"headlinesSubToolbar\">";
4056
4057                         $page_prev_link = "viewFeedGoPage(-1)";
4058                         $page_next_link = "viewFeedGoPage(1)";
4059                         $page_first_link = "viewFeedGoPage(0)";
4060
4061                         $catchup_page_link = "catchupPage()";
4062                         $catchup_feed_link = "catchupCurrentFeed()";
4063                         $catchup_sel_link = "catchupSelection()";
4064
4065                         $archive_sel_link = "archiveSelection()";
4066                         $delete_sel_link = "deleteSelection()";
4067
4068                         $sel_all_link = "selectArticles('all')";
4069                         $sel_unread_link = "selectArticles('unread')";
4070                         $sel_none_link = "selectArticles('none')";
4071                         $sel_inv_link = "selectArticles('invert')";
4072
4073                         $tog_unread_link = "selectionToggleUnread()";
4074                         $tog_marked_link = "selectionToggleMarked()";
4075                         $tog_published_link = "selectionTogglePublished()";
4076
4077                         print "<div id=\"subtoolbar_main\">";
4078
4079                         print __('Select:')."
4080                                 <a href=\"#\" onclick=\"$sel_all_link\">".__('All')."</a>,
4081                                 <a href=\"#\" onclick=\"$sel_unread_link\">".__('Unread')."</a>,
4082                                 <a href=\"#\" onclick=\"$sel_inv_link\">".__('Invert')."</a>,
4083                                 <a href=\"#\" onclick=\"$sel_none_link\">".__('None')."</a></li>";
4084
4085                         print " ";
4086
4087                         print "<select dojoType=\"dijit.form.Select\"
4088                                 onchange=\"headlineActionsChange(this)\">";
4089                         print "<option value=\"\">".__('Actions...')."</option>";
4090
4091 #                       print "<optgroup label=\"".__("Selection toggle:")."\">";
4092
4093                         print "<option value=\"$tog_unread_link\">".__('Toggle unread')."</option>
4094                                 <option value=\"$tog_marked_link\">".__('Toggle starred')."</option>
4095                                 <option value=\"$tog_published_link\">".__('Toggle published')."</option>";
4096
4097 #                       print "</optgroup>
4098 #                               <optgroup label=\"".__("Selection:")."\">";
4099
4100                         print "<option>----------</option>";
4101
4102                         print "<option value=\"$catchup_sel_link\">".__('Mark as read')."</option>";
4103
4104                         if ($feed_id != "0") {
4105                                 print "<option value=\"$archive_sel_link\">".__('Archive')."</option>";
4106                         } else {
4107                                 print "<option value=\"$archive_sel_link\">".__('Move back')."</option>";
4108                                 print "<option value=\"$delete_sel_link\">".__('Delete')."</option>";
4109
4110                         }
4111
4112                         print "<option value=\"emailArticle(false)\">".__('Forward by email').
4113                                 "</option>";
4114
4115 #                       print "<optgroup label=\"".__("Assign label:")."\">";
4116                         print "<option>----------</option>";
4117
4118                         print_labels_headlines_dropdown($link, $feed_id);
4119
4120                         print "<option>----------</option>";
4121
4122 #                       print "</optgroup>";
4123
4124                         print "<option value=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">".__('View as RSS')."</option>";
4125
4126                         print "</select>";
4127
4128                         print "</div>";
4129
4130                         print "<div id=\"subtoolbar_ftitle\">";
4131
4132                         if ($feed_site_url) {
4133                                 $target = "target=\"_blank\"";
4134                                 print "<a title=\"".__("Visit the website")."\" $target href=\"$feed_site_url\">".
4135                                         truncate_string($feed_title,30)."</a>";
4136                         } else {
4137                                 if ($feed_id < -10) {
4138                                         $label_id = -11-$feed_id;
4139
4140                                         $result = db_query($link, "SELECT fg_color, bg_color
4141                                                 FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
4142                                                 $_SESSION["uid"]);
4143
4144                                         if (db_num_rows($result) != 0) {
4145                                                 $fg_color = db_fetch_result($result, 0, "fg_color");
4146                                                 $bg_color = db_fetch_result($result, 0, "bg_color");
4147
4148                                                 print "<span style='background : $bg_color; color : $fg_color'>";
4149                                                 print $feed_title;
4150                                                 print "</span>";
4151                                         } else {
4152                                                 print $feed_title;
4153                                         }
4154
4155                                 } else {
4156                                         print $feed_title;
4157                                 }
4158                         }
4159
4160                         if ($search) {
4161                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4162                         } else {
4163                                 $search_q = "";
4164                         }
4165
4166                         // Adaptive doesn't really make any sense for generated feeds
4167                         // All Articles is the default, so no need to insert it either
4168                         if ($view_mode == "adaptive" || $view_mode == "all_articles")
4169                                 $view_mode = "";
4170                         else
4171                                 $view_mode = "&view-mode=$view_mode";
4172
4173                         $rss_link = htmlspecialchars(get_self_url_prefix() .
4174                                 "/backend.php?op=rss&id=$feed_id&is_cat=$is_cat$view_mode$search_q");
4175
4176                         #print "
4177                         #       <a target=\"_blank\"
4178                         #               title=\"".__("View as RSS feed")."\"
4179                         #               href=\"$rss_link\">
4180                         #               <img class=\"noborder\" src=\"images/feed-icon-12x12.png\"></a>";
4181
4182                         print "
4183                                 <a href=\"#\"
4184                                         title=\"".__("View as RSS feed")."\"
4185                                         onclick=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">
4186                                         <img class=\"noborder\" style=\"vertical-align : middle\" src=\"images/feed-icon-12x12.png\"></a>";
4187
4188                         print "</div>";
4189
4190                 }
4191
4192         function outputFeedList($link) {
4193
4194                 $feedlist = array();
4195
4196                 $enable_cats = get_pref($link, 'ENABLE_FEED_CATS');
4197
4198                 $feedlist['identifier'] = 'id';
4199                 $feedlist['label'] = 'name';
4200                 $feedlist['items'] = array();
4201
4202                 $owner_uid = $_SESSION["uid"];
4203
4204                 /* virtual feeds */
4205
4206                 if ($enable_cats) {
4207                         $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4208                         $cat = feedlist_init_cat($link, -1, $cat_hidden);
4209                 } else {
4210                         $cat['items'] = array();
4211                 }
4212
4213                 foreach (array(-4, -3, -1, -2, 0) as $i) {
4214                         array_push($cat['items'], feedlist_init_feed($link, $i));
4215                 }
4216
4217                 if ($enable_cats) {
4218                         array_push($feedlist['items'], $cat);
4219                 } else {
4220                         $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4221                 }
4222
4223                 $result = db_query($link, "SELECT * FROM
4224                         ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4225
4226                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4227                         $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
4228                         $cat = feedlist_init_cat($link, -2, $cat_hidden);
4229                 } else {
4230                         $cat['items'] = array();
4231                 }
4232
4233                 while ($line = db_fetch_assoc($result)) {
4234
4235                         $label_id = -$line['id'] - 11;
4236                         $count = getFeedUnread($link, $label_id);
4237
4238                         array_push($cat['items'], feedlist_init_feed($link, $label_id,
4239                                 false, $count));
4240                 }
4241
4242                 if ($enable_cats) {
4243                         array_push($feedlist['items'], $cat);
4244                 } else {
4245                         $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4246                 }
4247
4248 /*              if (get_pref($link, 'ENABLE_FEED_CATS')) {
4249                         if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4250                                 $order_by_qpart = "order_id,category,unread DESC,title";
4251                         } else {
4252                                 $order_by_qpart = "order_id,category,title";
4253                         }
4254                 } else {
4255                         if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4256                                 $order_by_qpart = "unread DESC,title";
4257                         } else {
4258                                 $order_by_qpart = "title";
4259                         }
4260                 } */
4261
4262                 if ($enable_cats)
4263                         $order_by_qpart = "order_id,category,title";
4264                 else
4265                         $order_by_qpart = "title";
4266
4267                 $age_qpart = getMaxAgeSubquery();
4268
4269                 $query = "SELECT ttrss_feeds.id, ttrss_feeds.title,
4270                         ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4271                         cat_id,last_error,
4272                         ttrss_feed_categories.title AS category,
4273                         ttrss_feed_categories.collapsed,
4274                         value AS unread
4275                         FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4276                                 ON (ttrss_feed_categories.id = cat_id)
4277                         LEFT JOIN ttrss_counters_cache
4278                                 ON
4279                                         (ttrss_feeds.id = feed_id)
4280                         WHERE
4281                                 ttrss_feeds.owner_uid = '$owner_uid'
4282                         ORDER BY $order_by_qpart";
4283
4284                 $result = db_query($link, $query);
4285
4286                 $actid = $_REQUEST["actid"];
4287
4288                 /* real feeds */
4289
4290                 $category = "";
4291
4292                 if (!$enable_cats)
4293                         $cat['items'] = array();
4294                 else
4295                         $cat = false;
4296
4297                 while ($line = db_fetch_assoc($result)) {
4298
4299                         $feed = htmlspecialchars(trim($line["title"]));
4300
4301                         if (!$feed) $feed = "[Untitled]";
4302
4303                         $feed_id = $line["id"];
4304                         $unread = $line["unread"];
4305
4306                         $cat_id = $line["cat_id"];
4307                         $tmp_category = $line["category"];
4308                         if (!$tmp_category) $tmp_category = __("Uncategorized");
4309
4310                         if ($category != $tmp_category && $enable_cats) {
4311
4312                                 $category = $tmp_category;
4313
4314                                 $collapsed = sql_bool_to_bool($line["collapsed"]);
4315
4316                                 // workaround for NULL category
4317                                 if ($category == __("Uncategorized")) {
4318                                         $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4319                                 }
4320
4321                                 if ($cat) array_push($feedlist['items'], $cat);
4322
4323                                 $cat = feedlist_init_cat($link, $cat_id, $collapsed);
4324                         }
4325
4326                         $updated = make_local_datetime($link, $line["updated_noms"], false);
4327
4328                         array_push($cat['items'], feedlist_init_feed($link, $feed_id,
4329                                 $feed, $unread, $line['last_error'], $updated));
4330                 }
4331
4332                 if ($enable_cats) {
4333                         array_push($feedlist['items'], $cat);
4334                 } else {
4335                         $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4336                 }
4337
4338                 return $feedlist;
4339         }
4340
4341         function get_article_tags($link, $id, $owner_uid = 0) {
4342
4343                 global $memcache;
4344
4345                 $a_id = db_escape_string($id);
4346
4347                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4348
4349                 $query = "SELECT DISTINCT tag_name,
4350                         owner_uid as owner FROM
4351                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4352                         ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
4353
4354                 $obj_id = md5("TAGS:$owner_uid:$id");
4355                 $tags = array();
4356
4357                 if ($memcache && $obj = $memcache->get($obj_id)) {
4358                         $tags = $obj;
4359                 } else {
4360                         /* check cache first */
4361
4362                         $result = db_query($link, "SELECT tag_cache FROM ttrss_user_entries
4363                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4364
4365                         $tag_cache = db_fetch_result($result, 0, "tag_cache");
4366
4367                         if ($tag_cache) {
4368                                 $tags = explode(",", $tag_cache);
4369                         } else {
4370
4371                                 /* do it the hard way */
4372
4373                                 $tmp_result = db_query($link, $query);
4374
4375                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4376                                         array_push($tags, $tmp_line["tag_name"]);
4377                                 }
4378
4379                                 /* update the cache */
4380
4381                                 $tags_str = db_escape_string(join(",", $tags));
4382
4383                                 db_query($link, "UPDATE ttrss_user_entries
4384                                         SET tag_cache = '$tags_str' WHERE ref_id = '$id'
4385                                         AND owner_uid = " . $_SESSION["uid"]);
4386                         }
4387
4388                         if ($memcache) $memcache->add($obj_id, $tags, 0, 3600);
4389                 }
4390
4391                 return $tags;
4392         }
4393
4394         function trim_value(&$value) {
4395                 $value = trim($value);
4396         }
4397
4398         function trim_array($array) {
4399                 $tmp = $array;
4400                 array_walk($tmp, 'trim_value');
4401                 return $tmp;
4402         }
4403
4404         function tag_is_valid($tag) {
4405                 if ($tag == '') return false;
4406                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4407                 if (mb_strlen($tag) > 250) return false;
4408
4409                 if (function_exists('iconv')) {
4410                         $tag = iconv("utf-8", "utf-8", $tag);
4411                 }
4412
4413                 if (!$tag) return false;
4414
4415                 return true;
4416         }
4417
4418         function render_login_form($link, $mobile = 0) {
4419                 switch ($mobile) {
4420                 case 0:
4421                         require_once "login_form.php";
4422                         break;
4423                 case 1:
4424                         require_once "mobile/login_form.php";
4425                         break;
4426                 case 2:
4427                         require_once "mobile/classic/login_form.php";
4428                 }
4429         }
4430
4431         // from http://developer.apple.com/internet/safari/faq.html
4432         function no_cache_incantation() {
4433                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4434                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4435                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4436                 header("Cache-Control: post-check=0, pre-check=0", false);
4437                 header("Pragma: no-cache"); // HTTP/1.0
4438         }
4439
4440         function format_warning($msg, $id = "") {
4441                 global $link;
4442                 return "<div class=\"warning\" id=\"$id\">
4443                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4444         }
4445
4446         function format_notice($msg) {
4447                 global $link;
4448                 return "<div class=\"notice\" id=\"$id\">
4449                         <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
4450         }
4451
4452         function format_error($msg) {
4453                 global $link;
4454                 return "<div class=\"error\" id=\"$id\">
4455                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4456         }
4457
4458         function print_notice($msg) {
4459                 return print format_notice($msg);
4460         }
4461
4462         function print_warning($msg) {
4463                 return print format_warning($msg);
4464         }
4465
4466         function print_error($msg) {
4467                 return print format_error($msg);
4468         }
4469
4470
4471         function T_sprintf() {
4472                 $args = func_get_args();
4473                 return vsprintf(__(array_shift($args)), $args);
4474         }
4475
4476         function format_inline_player($link, $url, $ctype) {
4477
4478                 $entry = "";
4479
4480                 if (($ctype == __("audio/mpeg")) &&  (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4481
4482                         $entry .= "<object type=\"application/x-shockwave-flash\"
4483                                 data=\"extras/button/musicplayer.swf?song_url=$url\"
4484                                 width=\"17\" height=\"17\">
4485                                         <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object>";
4486                 }
4487
4488                 /*
4489
4490                 if (substr($ctype,0,6)=="audio/" || $ctype=="application/ogg" || $ctype=="application/x-ogg") {
4491                         $entry .= "<audio controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4492                         if (($ctype == __("audio/mpeg")) &&
4493                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4494                                 $entry .= "<span><object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object></span>";
4495                         }
4496                         $entry .= "</audio> ";
4497                         if (($ctype == __("audio/mpeg")) &&
4498                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4499                                 $entry .= "<a id='switchToFlashLink' href='#' onclick='return switchToFlash(this)'>".__('Switch to Flash Player')."</a>";
4500                                 $entry .= "<script type='text/javascript'>html5AudioOrFlash('$ctype');</script>";
4501                         }
4502                 } elseif (substr($ctype,0,6)=="video/") {
4503                         $entry .= "<video controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4504                         $entry .= "</video>";
4505                 } */
4506
4507
4508
4509                 return $entry;
4510         }
4511
4512         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4513                 $zoom_mode = false) {
4514
4515                 /* we can figure out feed_id from article id anyway, why do we
4516                  * pass feed_id here? let's ignore the argument :( */
4517
4518                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4519                         WHERE ref_id = '$id'");
4520
4521                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4522
4523                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4524
4525                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4526                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4527
4528                 if (db_num_rows($result) == 1) {
4529                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4530                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4531                 } else {
4532                         $rtl_content = false;
4533                         $always_display_enclosures = false;
4534                 }
4535
4536                 if ($rtl_content) {
4537                         $rtl_tag = "dir=\"RTL\"";
4538                         $rtl_class = "RTL";
4539                 } else {
4540                         $rtl_tag = "";
4541                         $rtl_class = "";
4542                 }
4543
4544                 if ($mark_as_read) {
4545                         $result = db_query($link, "UPDATE ttrss_user_entries
4546                                 SET unread = false,last_read = NOW()
4547                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4548
4549                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4550                 }
4551
4552                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4553                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4554                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4555                         (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
4556                         num_comments,
4557                         author,
4558                         orig_feed_id,
4559                         note
4560                         FROM ttrss_entries,ttrss_user_entries
4561                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4562
4563                 if ($result) {
4564
4565                         $line = db_fetch_assoc($result);
4566
4567                         if ($line["icon_url"]) {
4568                                 $feed_icon = "<img src=\"" . $line["icon_url"] . "\">";
4569                         } else {
4570                                 $feed_icon = "&nbsp;";
4571                         }
4572
4573                         $feed_site_url = $line['site_url'];
4574
4575                         $num_comments = $line["num_comments"];
4576                         $entry_comments = "";
4577
4578                         if ($num_comments > 0) {
4579                                 if ($line["comments"]) {
4580                                         $comments_url = $line["comments"];
4581                                 } else {
4582                                         $comments_url = $line["link"];
4583                                 }
4584                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
4585                         } else {
4586                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4587                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
4588                                 }
4589                         }
4590
4591                         if ($zoom_mode) {
4592                                 header("Content-Type: text/html");
4593                                 print "<html><head>
4594                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4595                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4596                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4597                                         </head><body>";
4598                         }
4599
4600                         print "<div id=\"PTITLE-$id\" style=\"display : none\">" .
4601                                 truncate_string(strip_tags($line['title']), 15) . "</div>";
4602
4603                         print "<div class=\"postReply\" id=\"POST-$id\">";
4604                         print "<div
4605                                 onclick=\"return postClicked(event, $id)\"
4606                                 class=\"postHeader\">";
4607
4608                         $entry_author = $line["author"];
4609
4610                         if ($entry_author) {
4611                                 $entry_author = __(" - ") . $entry_author;
4612                         }
4613
4614                         $parsed_updated = make_local_datetime($link, $line["updated"], true,
4615                                 false, true);
4616
4617                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4618
4619                         if ($line["link"]) {
4620                                 print "<div clear='both'><a target='_blank' href=\"" .
4621                                         $line["link"] . "\">" .
4622                                         $line["title"] . "<span class='author'>$entry_author</span></a></div>";
4623                         } else {
4624                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4625                         }
4626
4627                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4628
4629                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4630
4631                         print "<div style='float : right'>
4632                                 <img src='".theme_image($link, 'images/tag.png')."'
4633                                 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4634
4635                         if (!$zoom_mode) {
4636                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4637                                         <a title=\"".__('Edit tags for this article')."\"
4638                                         href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
4639
4640                                 print "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
4641                                                 class='tagsPic' style=\"cursor : pointer\"
4642                                                 onclick=\"zoomToArticle(event, $id)\"
4643                                                 alt='Zoom' title='".__('Open article in new tab')."'>";
4644
4645                                 $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4646
4647                                 print "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\"
4648                                                 class='tagsPic' style=\"cursor : pointer\"
4649                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
4650                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
4651
4652                                 if (DIGEST_ENABLE) {
4653                                         print "<img src=\"".theme_image($link, 'images/art-email.png')."\"
4654                                                 class='tagsPic' style=\"cursor : pointer\"
4655                                                 onclick=\"emailArticle($id)\"
4656                                                 alt='Zoom' title='".__('Forward by email')."'>";
4657                                 }
4658
4659                                 print "<img src=\"".theme_image($link, 'images/digest_checkbox.png')."\"
4660                                                 class='tagsPic' style=\"cursor : pointer\"
4661                                                 onclick=\"closeArticlePanel($id)\"
4662                                                 alt='Zoom' title='".__('Close this panel')."'>";
4663
4664                         } else {
4665                                 $tags_str = strip_tags($tags_str);
4666                                 print "<span id=\"ATSTR-$id\">$tags_str</span>";
4667                         }
4668                         print "</div>";
4669                         print "<div clear='both'>$entry_comments</div>";
4670
4671                         if ($line["orig_feed_id"]) {
4672
4673                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
4674                                         WHERE id = ".$line["orig_feed_id"]);
4675
4676                                 if (db_num_rows($tmp_result) != 0) {
4677
4678                                         print "<div clear='both'>";
4679                                         print __("Originally from:");
4680
4681                                         print "&nbsp;";
4682
4683                                         $tmp_line = db_fetch_assoc($tmp_result);
4684
4685                                         print "<a target='_blank'
4686                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
4687                                                 $tmp_line['title'] . "</a>";
4688
4689                                         print "&nbsp;";
4690
4691                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
4692                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
4693
4694                                         print "</div>";
4695                                 }
4696                         }
4697
4698                         print "</div>";
4699
4700                         print "<div class=\"postIcon\">" .
4701                                 "<a target=\"_blank\" title=\"".__("Visit the website")."\"$
4702                                 href=\"".htmlspecialchars($feed_site_url)."\">".
4703                                 $feed_icon . "</a></div>";
4704
4705                         print "<div class=\"postContent\">";
4706
4707                         $article_content = sanitize_rss($link, $line["content"], false, false,
4708                                 $feed_site_url);
4709
4710                         print "<div id=\"POSTNOTE-$id\">";
4711                                 if ($line['note']) {
4712                                         print format_article_note($id, $line['note']);
4713                                 }
4714                         print "</div>";
4715
4716                         print $article_content;
4717
4718                         print_article_enclosures($link, $id, $always_display_enclosures,
4719                                 $article_content);
4720
4721                         print "</div>";
4722
4723                         print "</div>";
4724
4725                 }
4726
4727                 if (!$zoom_mode) {
4728                         print "]]></article>";
4729                 } else {
4730                         print "
4731                                 <div style=\"text-align : center\">
4732                                 <button onclick=\"return window.close()\">".
4733                                         __("Close this window")."</button></div>";
4734                         print "</body></html>";
4735
4736                 }
4737
4738         }
4739
4740         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4741                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4742                                         $override_order = false) {
4743
4744                 $disable_cache = false;
4745
4746                 $timing_info = getmicrotime();
4747
4748                 $topmost_article_ids = array();
4749
4750                 if (!$offset) {
4751                         $offset = 0;
4752                 }
4753
4754                 if ($subop == "undefined") $subop = "";
4755
4756                 $subop_split = split(":", $subop);
4757
4758                 if ($subop == "CatchupSelected") {
4759                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
4760                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
4761
4762                         catchupArticlesById($link, $ids, $cmode);
4763                 }
4764
4765                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0 && !$cat_view) {
4766                         update_generic_feed($link, $feed, $cat_view, true);
4767                 }
4768
4769                 if ($subop == "MarkAllRead")  {
4770                         catchup_feed($link, $feed, $cat_view);
4771
4772                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4773                                 if ($next_unread_feed) {
4774                                         $feed = $next_unread_feed;
4775                                 }
4776                         }
4777                 }
4778
4779                 if ($subop_split[0] == "MarkAllReadGR")  {
4780                         catchup_feed($link, $subop_split[1], false);
4781                 }
4782
4783                 // FIXME: might break tag display?
4784
4785                 if ($feed > 0 && !$cat_view) {
4786                         $result = db_query($link,
4787                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4788
4789                         if (db_num_rows($result) == 0) {
4790                                 print "<div align='center'>".__('Feed not found.')."</div>";
4791                                 return;
4792                         }
4793                 }
4794
4795                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4796
4797                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4798                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4799
4800                         if (db_num_rows($result) == 1) {
4801                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4802                         } else {
4803                                 $rtl_content = false;
4804                         }
4805
4806                         if ($rtl_content) {
4807                                 $rtl_tag = "dir=\"RTL\"";
4808                         } else {
4809                                 $rtl_tag = "";
4810                         }
4811                 } else {
4812                         $rtl_tag = "";
4813                         $rtl_content = false;
4814                 }
4815
4816                 /// START /////////////////////////////////////////////////////////////////////////////////
4817
4818                 @$search = db_escape_string($_REQUEST["query"]);
4819
4820                 if ($search) {
4821                         $disable_cache = true;
4822                 }
4823
4824                 @$search_mode = db_escape_string($_REQUEST["search_mode"]);
4825                 @$match_on = db_escape_string($_REQUEST["match_on"]);
4826
4827                 if (!$match_on) {
4828                         $match_on = "both";
4829                 }
4830
4831                 $real_offset = $offset * $limit;
4832
4833                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4834
4835                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4836                         $search, $search_mode, $match_on, $override_order, $real_offset);
4837
4838                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4839
4840                 $result = $qfh_ret[0];
4841                 $feed_title = $qfh_ret[1];
4842                 $feed_site_url = $qfh_ret[2];
4843                 $last_error = $qfh_ret[3];
4844
4845                 $vgroup_last_feed = $vgr_last_feed;
4846
4847 /*              if ($feed == -2) {
4848                         $feed_site_url = article_publish_url($link);
4849                 } */
4850
4851                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4852
4853                 print "<toolbar><![CDATA[";
4854
4855                 if (!$offset) {
4856 //                      print "<div id=\"headlinesContainer\" $rtl_tag>";
4857
4858                         if (!$result) {
4859                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4860                                 return;
4861                         }
4862
4863                         if (db_num_rows($result) > 0) {
4864                                 print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4865                                         $feed, $cat_view, $search, $match_on, $search_mode, $view_mode);
4866
4867 //                              print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4868
4869                         }
4870                 }
4871
4872                 print "]]></toolbar><content><![CDATA[";
4873
4874                 $headlines_count = db_num_rows($result);
4875
4876                 if (db_num_rows($result) > 0) {
4877
4878                         $lnum = $limit*$offset;
4879
4880                         $num_unread = 0;
4881                         $cur_feed_title = '';
4882
4883                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
4884
4885                         while ($line = db_fetch_assoc($result)) {
4886
4887                                 $class = ($lnum % 2) ? "even" : "odd";
4888
4889                                 $id = $line["id"];
4890                                 $feed_id = $line["feed_id"];
4891
4892                                 $labels = get_article_labels($link, $id);
4893
4894                                 $labels_str = "<span id=\"HLLCTR-$id\">";
4895                                 $labels_str .= format_article_labels($labels, $id);
4896                                 $labels_str .= "</span>";
4897
4898                                 if (count($topmost_article_ids) < 3) {
4899                                         array_push($topmost_article_ids, $id);
4900                                 }
4901
4902                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
4903
4904                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
4905                                                 theme_image($link, 'images/updated.png')."\"
4906                                                 alt=\"Updated\">";
4907                                 } else {
4908                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
4909                                                 alt=\"Updated\">";
4910                                 }
4911
4912                                 if (sql_bool_to_bool($line["unread"]) &&
4913                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
4914
4915                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
4916                                                 theme_image($link, 'images/fresh_sign.png')."\" alt=\"Fresh\">";
4917                                 }
4918
4919                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
4920                                         $class .= " Unread";
4921                                         ++$num_unread;
4922                                         $is_unread = true;
4923                                 } else {
4924                                         $is_unread = false;
4925                                 }
4926
4927                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
4928                                         $marked_pic = "<img id=\"FMPIC-$id\"
4929                                                 src=\"".theme_image($link, 'images/mark_set.png')."\"
4930                                                 class=\"markedPic\" alt=\"Unstar article\"
4931                                                 onclick='javascript:tMark($id)'>";
4932                                 } else {
4933                                         $marked_pic = "<img id=\"FMPIC-$id\"
4934                                                 src=\"".theme_image($link, 'images/mark_unset.png')."\"
4935                                                 class=\"markedPic\" alt=\"Star article\"
4936                                                 onclick='javascript:tMark($id)'>";
4937                                 }
4938
4939                                 if ($line["published"] == "t" || $line["published"] == "1") {
4940                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
4941                                                 'images/pub_set.png')."\"
4942                                                 class=\"markedPic\"
4943                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
4944                                 } else {
4945                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
4946                                                 'images/pub_unset.png')."\"
4947                                                 class=\"markedPic\"
4948                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
4949                                 }
4950
4951 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
4952 #                                       $line["title"] . "</a>";
4953
4954 #                               $content_link = "<a
4955 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
4956 #                                       onclick=\"view($id,$feed_id);\">" .
4957 #                                       $line["title"] . "</a>";
4958
4959 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
4960 #                                       $line["title"] . "</a>";
4961
4962                                 $updated_fmt = make_local_datetime($link, $line["updated_noms"], false);
4963
4964                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4965                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
4966                                                 100);
4967                                 }
4968
4969                                 $score = $line["score"];
4970
4971                                 $score_pic = theme_image($link,
4972                                         "images/" . get_score_pic($score));
4973
4974 /*                              $score_title = __("(Click to change)");
4975                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
4976                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
4977
4978                                 $score_pic = "<img class='hlScorePic' src=\"$score_pic\"
4979                                         title=\"$score\">";
4980
4981                                 if ($score > 500) {
4982                                         $hlc_suffix = "H";
4983                                 } else if ($score < -100) {
4984                                         $hlc_suffix = "L";
4985                                 } else {
4986                                         $hlc_suffix = "";
4987                                 }
4988
4989                                 $entry_author = $line["author"];
4990
4991                                 if ($entry_author) {
4992                                         $entry_author = " - $entry_author";
4993                                 }
4994
4995                                 $has_feed_icon = feed_has_icon($feed_id);
4996
4997                                 if ($has_feed_icon) {
4998                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
4999                                 } else {
5000                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5001                                         $feed_icon_img = "";
5002                                 }
5003
5004                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5005
5006                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5007                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5008
5009                                                         $cur_feed_title = $line["feed_title"];
5010                                                         $vgroup_last_feed = $feed_id;
5011
5012                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5013
5014                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5015
5016                                                         print "<div class='cdmFeedTitle'>".
5017                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5018                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5019                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5020
5021                                                 }
5022                                         }
5023
5024                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5025                                                 onmouseout='postMouseOut($id)'";
5026
5027                                         print "<div class='$class' id='RROW-$id' $mouseover_attrs>";
5028
5029                                         print "<div class='hlUpdPic'>$update_pic</div>";
5030
5031                                         print "<div class='hlLeft'>";
5032
5033                                         print "<input type=\"checkbox\" onclick=\"tSR(this)\"
5034                                                         id=\"RCHK-$id\">";
5035
5036                                         print "$marked_pic";
5037                                         print "$published_pic";
5038
5039                                         print "</div>";
5040
5041                                         print "<div onclick='return hlClicked(event, $id)'
5042                                                 class=\"hlTitle\"><span class='hlContent$hlc_suffix'>";
5043                                         print "<a id=\"RTITLE-$id\"
5044                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5045                                                 onclick=\"return false;\">" .
5046                                                 $line["title"];
5047
5048                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5049                                                 if ($content_preview) {
5050                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5051                                                 }
5052                                         }
5053
5054                                         print "</a></span>";
5055
5056                                         print $labels_str;
5057
5058                                         /* if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5059                                                 if (@$line["feed_title"]) {
5060                                                         print "<span class=\"hlFeed\">
5061                                                                 (<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5062                                                                 $line["feed_title"]."</a>)
5063                                                         </span>";
5064                                                 }
5065                                         } */
5066
5067                                         print "</div>";
5068
5069                                         print "<div class=\"hlRight\">";
5070                                         print "<span class=\"hlUpdated\">$updated_fmt</span>";
5071                                         print $score_pic;
5072
5073                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5074
5075                                                 print "<span onclick=\"viewfeed($feed_id)\"
5076                                                         title=\"".htmlspecialchars($line['feed_title'])."\">
5077                                                         $feed_icon_img<span>";
5078                                         }
5079
5080                                         print "</div>";
5081                                         print "</div>";
5082
5083                                 } else {
5084
5085                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5086                                                 if ($feed_id != $vgroup_last_feed) {
5087
5088                                                         $cur_feed_title = $line["feed_title"];
5089                                                         $vgroup_last_feed = $feed_id;
5090
5091                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5092
5093                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5094
5095                                                         $has_feed_icon = feed_has_icon($feed_id);
5096
5097                                                         if ($has_feed_icon) {
5098                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5099                                                         } else {
5100                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5101                                                         }
5102
5103                                                         print "<div class='cdmFeedTitle'>".
5104                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5105                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5106                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5107                                                 }
5108                                         }
5109
5110                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5111
5112                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5113                                                 onmouseout='postMouseOut($id)'";
5114
5115                                         print "<div class=\"$class\"
5116                                                 id=\"RROW-$id\" $mouseover_attrs'>";
5117
5118                                         print "<div class=\"cdmHeader\">";
5119
5120                                         print "<div style='float : right'>";
5121                                         print "<span class='updated'>$updated_fmt</span>";
5122                                         print "$score_pic";
5123
5124                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") && $line["feed_title"]) {
5125                                                 print "<span style=\"cursor : pointer\"
5126                                                         title=\"".htmlspecialchars($line["feed_title"])."\"
5127                                                         onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5128                                         }
5129                                         print "<div class=\"updPic\">$update_pic</div>";
5130
5131                                         print "</div>";
5132
5133                                         print "<input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5134                                                         'RROW-$id')\" id=\"RCHK-$id\"/>";
5135
5136                                         print "$marked_pic";
5137                                         print "$published_pic";
5138
5139                                         print "<span id=\"RTITLE-$id\"
5140                                                 onclick=\"return cdmClicked(event, $id);\"
5141                                                 class=\"titleWrap$hlc_suffix\">
5142                                                 <a class=\"title\"
5143                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5144                                                 $entry_author";
5145
5146                                         print $labels_str;
5147
5148                                         if (!$expand_cdm)
5149                                                 $content_hidden = "style=\"display : none\"";
5150                                         else
5151                                                 $excerpt_hidden = "style=\"display : none\"";
5152
5153                                         print "<span $excerpt_hidden
5154                                                 id=\"CEXC-$id\" class=\"cdmExcerpt\"> - $content_preview</span>";
5155
5156                                         print "</span>";
5157
5158                                         print "</div>";
5159
5160                                         print "<div class=\"cdmContent\" $content_hidden
5161                                                 onclick=\"return cdmClicked(event, $id);\"
5162                                                 id=\"CICD-$id\">";
5163
5164                                         print "<div class=\"cdmContentInner\">";
5165
5166                         if ($line["orig_feed_id"]) {
5167
5168                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
5169                                         WHERE id = ".$line["orig_feed_id"]);
5170
5171                                                 if (db_num_rows($tmp_result) != 0) {
5172
5173                                                         print "<div clear='both'>";
5174                                                         print __("Originally from:");
5175
5176                                                         print "&nbsp;";
5177
5178                                                         $tmp_line = db_fetch_assoc($tmp_result);
5179
5180                                                         print "<a target='_blank'
5181                                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
5182                                                                 $tmp_line['title'] . "</a>";
5183
5184                                                         print "&nbsp;";
5185
5186                                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
5187                                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
5188
5189                                                         print "</div>";
5190                                                 }
5191                                         }
5192
5193                                         // FIXME: make this less of a hack
5194
5195                                         $feed_site_url = false;
5196
5197                                         if ($line["feed_id"]) {
5198                                                 $tmp_result = db_query($link, "SELECT site_url FROM ttrss_feeds
5199                                                         WHERE id = " . $line["feed_id"]);
5200
5201                                                 if (db_num_rows($tmp_result) == 1) {
5202                                                         $feed_site_url = db_fetch_result($tmp_result, 0, "site_url");
5203                                                 }
5204                                         }
5205
5206                                         if ($expand_cdm) {
5207                                                 $article_content = sanitize_rss($link, $line["content_preview"],
5208                                                         false, false, $feed_site_url);
5209
5210                                                 if (!$article_content) $article_content = "&nbsp;";
5211                                         } else {
5212                                                 $article_content = '';
5213                                         }
5214
5215                                         print "<div id=\"POSTNOTE-$id\">";
5216                                         if ($line['note']) {
5217                                                 print format_article_note($id, $line['note']);
5218                                         }
5219                                         print "</div>";
5220
5221                                         print "<span id=\"CWRAP-$id\">$article_content</span>";
5222
5223                                         $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5224                                                 ttrss_feeds WHERE id = ".
5225                                                 (($line['feed_id'] == null) ? $line['orig_feed_id'] :
5226                                                                 $line['feed_id'])." AND owner_uid = ".$_SESSION["uid"]);
5227
5228                                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($tmp_result,
5229                                                 0, "always_display_enclosures"));
5230
5231                                         print_article_enclosures($link, $id, $always_display_enclosures,
5232                                                 $article_content);
5233
5234                                         print "</div>";
5235
5236                                         print "<div class=\"cdmFooter\">";
5237
5238                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5239
5240                                         print "<img src='".theme_image($link,
5241                                                         'images/tag.png')."' alt='Tags' title='Tags'>
5242                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5243                                                 <a title=\"".__('Edit tags for this article')."\"
5244                                                 href=\"#\" onclick=\"editArticleTags($id, $feed_id, true)\">(+)</a>";
5245
5246                                         print "<div style=\"float : right\">";
5247
5248                                         print "<img src=\"images/art-zoom.png\"
5249                                                 onclick=\"zoomToArticle(event, $id)\"
5250                                                 style=\"cursor : pointer\"
5251                                                 alt='Zoom'
5252                                                 title='".__('Open article in new tab')."'>";
5253
5254                                         if (DIGEST_ENABLE) {
5255                                                 print "<img src=\"".theme_image($link, 'images/art-email.png')."\"
5256                                                         style=\"cursor : pointer\"
5257                                                         onclick=\"emailArticle($id)\"
5258                                                         alt='Zoom' title='".__('Forward by email')."'>";
5259                                         }
5260
5261                                         $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5262
5263                                         print "<img src=\"images/art-pub-note.png\"
5264                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5265                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
5266                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
5267
5268                                         print "<img src=\"images/digest_checkbox.png\"
5269                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5270                                                 onclick=\"dismissArticle($id)\"
5271                                                 alt='Dismiss' title='".__('Dismiss article')."'>";
5272
5273                                         print "</div>";
5274                                         print "</div>";
5275
5276                                         print "</div>";
5277
5278                                         print "</div>";
5279
5280                                 }
5281
5282                                 ++$lnum;
5283                         }
5284
5285                 } else {
5286                         $message = "";
5287
5288                         switch ($view_mode) {
5289                                 case "unread":
5290                                         $message = __("No unread articles found to display.");
5291                                         break;
5292                                 case "updated":
5293                                         $message = __("No updated articles found to display.");
5294                                         break;
5295                                 case "marked":
5296                                         $message = __("No starred articles found to display.");
5297                                         break;
5298                                 default:
5299                                         if ($feed < -10) {
5300                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5301                                         } else {
5302                                                 $message = __("No articles found to display.");
5303                                         }
5304                         }
5305
5306                         if (!$offset && $message) {
5307                                 print "<div class='whiteBox'>$message";
5308
5309                                 print "<p class=\"small\"><span class=\"insensitive\">";
5310
5311                                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
5312                                         WHERE owner_uid = " . $_SESSION['uid']);
5313
5314                                 $last_updated = db_fetch_result($result, 0, "last_updated");
5315                                 $last_updated = make_local_datetime($link, $last_updated, false);
5316
5317                                 printf(__("Feeds last updated at %s"), $last_updated);
5318
5319                                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
5320                                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
5321
5322                                 $num_errors = db_fetch_result($result, 0, "num_errors");
5323
5324                                 if ($num_errors > 0) {
5325                                         print "<br/>";
5326                                         print "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
5327                                                 __('Some feeds have update errors (click for details)')."</a>";
5328                                 }
5329                                 print "</span></p></div>";
5330                         }
5331                 }
5332
5333 #               if (!$offset) {
5334 #                       if ($headlines_count > 0) print "</div>";
5335 #                       print "</div>";
5336 #               }
5337
5338                 print "]]></content>";
5339
5340                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5341         }
5342
5343 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5344
5345         function printTagCloud($link) {
5346
5347                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5348                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5349                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5350
5351                 $result = db_query($link, $query);
5352
5353                 $tags = array();
5354
5355                 while ($line = db_fetch_assoc($result)) {
5356                         $tags[$line["tag_name"]] = $line["count"];
5357                 }
5358
5359                 ksort($tags);
5360
5361                 $max_size = 32; // max font size in pixels
5362                 $min_size = 11; // min font size in pixels
5363
5364                 // largest and smallest array values
5365                 $max_qty = max(array_values($tags));
5366                 $min_qty = min(array_values($tags));
5367
5368                 // find the range of values
5369                 $spread = $max_qty - $min_qty;
5370                 if ($spread == 0) { // we don't want to divide by zero
5371                                 $spread = 1;
5372                 }
5373
5374                 // set the font-size increment
5375                 $step = ($max_size - $min_size) / ($spread);
5376
5377                 // loop through the tag array
5378                 foreach ($tags as $key => $value) {
5379                         // calculate font-size
5380                         // find the $value in excess of $min_qty
5381                         // multiply by the font-size increment ($size)
5382                         // and add the $min_size set above
5383                         $size = round($min_size + (($value - $min_qty) * $step));
5384
5385                         $key_escaped = str_replace("'", "\\'", $key);
5386
5387                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5388                                 $size . "px\" title=\"$value articles tagged with " .
5389                                 $key . '">' . $key . '</a> ';
5390                 }
5391         }
5392
5393         function print_checkpoint($n, $s) {
5394                 $ts = getmicrotime();
5395                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5396                 return $ts;
5397         }
5398
5399         function sanitize_tag($tag) {
5400                 $tag = trim($tag);
5401
5402                 $tag = mb_strtolower($tag, 'utf-8');
5403
5404                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5405
5406 //              $tag = str_replace('"', "", $tag);
5407 //              $tag = str_replace("+", " ", $tag);
5408                 $tag = str_replace("technorati tag: ", "", $tag);
5409
5410                 return $tag;
5411         }
5412
5413         function get_self_url_prefix() {
5414
5415                 $url_path = "";
5416
5417                 if ($_SERVER['HTTPS'] != "on") {
5418                         $url_path = "http://";
5419                 } else {
5420                         $url_path = "https://";
5421                 }
5422
5423                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5424
5425                 return $url_path;
5426
5427         }
5428         function opml_publish_url($link){
5429
5430                 $url_path = get_self_url_prefix();
5431                 $url_path .= "/opml.php?op=publish&key=" .
5432                         get_feed_access_key($link, 'OPML:Publish', false, $_SESSION["uid"]);
5433
5434                 return $url_path;
5435         }
5436
5437         /**
5438          * Purge a feed contents, marked articles excepted.
5439          *
5440          * @param mixed $link The database connection.
5441          * @param integer $id The id of the feed to purge.
5442          * @return void
5443          */
5444         function clear_feed_articles($link, $id) {
5445
5446                 if ($id != 0) {
5447                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5448                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5449                 } else {
5450                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5451                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5452                 }
5453
5454                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5455                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5456
5457                 ccache_update($link, $id, $_SESSION['uid']);
5458         } // function clear_feed_articles
5459
5460         /**
5461          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5462          *
5463          * @return string The Mozilla Firefox feed adding URL.
5464          */
5465         function add_feed_url() {
5466                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5467                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5468                 return $url_path;
5469         } // function add_feed_url
5470
5471         /**
5472          * Encrypt a password in SHA1.
5473          *
5474          * @param string $pass The password to encrypt.
5475          * @param string $login A optionnal login.
5476          * @return string The encrypted password.
5477          */
5478         function encrypt_password($pass, $login = '') {
5479                 if ($login) {
5480                         return "SHA1X:" . sha1("$login:$pass");
5481                 } else {
5482                         return "SHA1:" . sha1($pass);
5483                 }
5484         } // function encrypt_password
5485
5486         /**
5487          * Update a feed batch.
5488          * Used by daemons to update n feeds by run.
5489          * Only update feed needing a update, and not being processed
5490          * by another process.
5491          *
5492          * @param mixed $link Database link
5493          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5494          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5495          * @param boolean $debug Set to false to disable debug output. Default to true.
5496          * @return void
5497          */
5498         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5499                 // Process all other feeds using last_updated and interval parameters
5500
5501                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5502                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5503                         if (DB_TYPE == "pgsql") {
5504                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5505                         } else {
5506                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5507                         }
5508                 } else {
5509                         $login_thresh_qpart = "";
5510                 }
5511
5512                 // Test if the feed need a update (update interval exceded).
5513                 if (DB_TYPE == "pgsql") {
5514                         $update_limit_qpart = "AND ((
5515                                         ttrss_feeds.update_interval = 0
5516                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5517                                 ) OR (
5518                                         ttrss_feeds.update_interval > 0
5519                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5520                                 ) OR ttrss_feeds.last_updated IS NULL)";
5521                 } else {
5522                         $update_limit_qpart = "AND ((
5523                                         ttrss_feeds.update_interval = 0
5524                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5525                                 ) OR (
5526                                         ttrss_feeds.update_interval > 0
5527                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5528                                 ) OR ttrss_feeds.last_updated IS NULL)";
5529                 }
5530
5531                 // Test if feed is currently being updated by another process.
5532                 if (DB_TYPE == "pgsql") {
5533                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5534                 } else {
5535                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5536                 }
5537
5538                 // Test if there is a limit to number of updated feeds
5539                 $query_limit = "";
5540                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5541
5542                 $random_qpart = sql_random_function();
5543
5544                 // We search for feed needing update.
5545                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5546                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5547                                 ttrss_feeds.update_interval
5548                         FROM
5549                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5550                         WHERE
5551                                 ttrss_feeds.owner_uid = ttrss_users.id
5552                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5553                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5554                                 $login_thresh_qpart $update_limit_qpart
5555                          $updstart_thresh_qpart
5556                         ORDER BY $random_qpart $query_limit");
5557
5558                 $user_prefs_cache = array();
5559
5560                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5561
5562                 // Here is a little cache magic in order to minimize risk of double feed updates.
5563                 $feeds_to_update = array();
5564                 while ($line = db_fetch_assoc($result)) {
5565                         $feeds_to_update[$line['id']] = $line;
5566                 }
5567
5568                 // We update the feed last update started date before anything else.
5569                 // There is no lag due to feed contents downloads
5570                 // It prevent an other process to update the same feed.
5571                 $feed_ids = array_keys($feeds_to_update);
5572                 if($feed_ids) {
5573                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5574                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5575                 }
5576
5577                 // For each feed, we call the feed update function.
5578                 while ($line = array_pop($feeds_to_update)) {
5579
5580                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5581
5582                         update_rss_feed($link, $line["id"], true);
5583
5584                         sleep(1); // prevent flood (FIXME make this an option?)
5585                 }
5586
5587                 // Send feed digests by email if needed.
5588                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5589
5590         } // function update_daemon_common
5591
5592         function sanitize_article_content($text) {
5593                 # we don't support CDATA sections in articles, they break our own escaping
5594                 $text = preg_replace("/\[\[CDATA/", "", $text);
5595                 $text = preg_replace("/\]\]\>/", "", $text);
5596                 return $text;
5597         }
5598
5599         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5600                 $filters = array();
5601
5602                 global $memcache;
5603
5604                 $obj_id = md5("FILTER:$feed:$owner_uid:$action_id");
5605
5606                 if ($memcache && $obj = $memcache->get($obj_id)) {
5607
5608                         return $obj;
5609
5610                 } else {
5611
5612                         if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5613
5614                         $result = db_query($link, "SELECT reg_exp,
5615                                 ttrss_filter_types.name AS name,
5616                                 ttrss_filter_actions.name AS action,
5617                                 inverse,
5618                                 action_param,
5619                                 filter_param
5620                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5621                                         enabled = true AND
5622                                         $ftype_query_part
5623                                         owner_uid = $owner_uid AND
5624                                         ttrss_filter_types.id = filter_type AND
5625                                         ttrss_filter_actions.id = action_id AND
5626                                         (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5627
5628                         while ($line = db_fetch_assoc($result)) {
5629                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5630                                         $filter["reg_exp"] = $line["reg_exp"];
5631                                         $filter["action"] = $line["action"];
5632                                         $filter["action_param"] = $line["action_param"];
5633                                         $filter["filter_param"] = $line["filter_param"];
5634                                         $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5635
5636                                         array_push($filters[$line["name"]], $filter);
5637                                 }
5638
5639                         if ($memcache) $memcache->add($obj_id, $filters, 0, 3600*8);
5640
5641                         return $filters;
5642                 }
5643         }
5644
5645         function get_score_pic($score) {
5646                 if ($score > 100) {
5647                         return "score_high.png";
5648                 } else if ($score > 0) {
5649                         return "score_half_high.png";
5650                 } else if ($score < -100) {
5651                         return "score_low.png";
5652                 } else if ($score < 0) {
5653                         return "score_half_low.png";
5654                 } else {
5655                         return "score_neutral.png";
5656                 }
5657         }
5658
5659         function rounded_table_start($classname, $header = "&nbsp;") {
5660                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5661                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5662                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5663         }
5664
5665         function rounded_table_end($footer = "&nbsp;") {
5666                 print "</td><td class='right'>&nbsp;</td></tr>";
5667                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5668                 print "</table>";
5669         }
5670
5671         function feed_has_icon($id) {
5672                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5673         }
5674
5675         function init_connection($link) {
5676                 if (DB_TYPE == "pgsql") {
5677                         pg_query($link, "set client_encoding = 'UTF-8'");
5678                         pg_set_client_encoding("UNICODE");
5679                         pg_query($link, "set datestyle = 'ISO, european'");
5680                         pg_query($link, "set TIME ZONE 0");
5681                 } else {
5682                         db_query($link, "SET time_zone = '+0:0'");
5683
5684                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5685                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5686         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5687                         }
5688                 }
5689         }
5690
5691         function update_feedbrowser_cache($link) {
5692
5693                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
5694                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5695                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5696                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
5697                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
5698
5699                 db_query($link, "BEGIN");
5700
5701                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5702
5703                 $count = 0;
5704
5705                 while ($line = db_fetch_assoc($result)) {
5706                         $subscribers = db_escape_string($line["subscribers"]);
5707                         $feed_url = db_escape_string($line["feed_url"]);
5708                         $title = db_escape_string($line["title"]);
5709
5710                         $tmp_result = db_query($link, "SELECT subscribers FROM
5711                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
5712
5713                         if (db_num_rows($tmp_result) == 0) {
5714
5715                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5716                                         (feed_url, title, subscribers) VALUES ('$feed_url',
5717                                                 '$title', '$subscribers')");
5718
5719                                 ++$count;
5720
5721                         }
5722
5723                 }
5724
5725                 db_query($link, "COMMIT");
5726
5727                 return $count;
5728
5729         }
5730
5731         function ccache_zero($link, $feed_id, $owner_uid) {
5732                 db_query($link, "UPDATE ttrss_counters_cache SET
5733                         value = 0, updated = NOW() WHERE
5734                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5735         }
5736
5737         function ccache_zero_all($link, $owner_uid) {
5738                 db_query($link, "UPDATE ttrss_counters_cache SET
5739                         value = 0 WHERE owner_uid = '$owner_uid'");
5740
5741                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
5742                         value = 0 WHERE owner_uid = '$owner_uid'");
5743         }
5744
5745         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
5746
5747                 if (!$is_cat) {
5748                         $table = "ttrss_counters_cache";
5749                 } else {
5750                         $table = "ttrss_cat_counters_cache";
5751                 }
5752
5753                 db_query($link, "DELETE FROM $table WHERE
5754                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5755
5756         }
5757
5758         function ccache_update_all($link, $owner_uid) {
5759
5760                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
5761
5762                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
5763                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5764
5765                         while ($line = db_fetch_assoc($result)) {
5766                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
5767                         }
5768
5769                         /* We have to manually include category 0 */
5770
5771                         ccache_update($link, 0, $owner_uid, true);
5772
5773                 } else {
5774                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
5775                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5776
5777                         while ($line = db_fetch_assoc($result)) {
5778                                 print ccache_update($link, $line["feed_id"], $owner_uid);
5779
5780                         }
5781
5782                 }
5783         }
5784
5785         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
5786                 $no_update = false) {
5787
5788                 if (!is_numeric($feed_id)) return;
5789
5790                 if (!$is_cat) {
5791                         $table = "ttrss_counters_cache";
5792                         if ($feed_id > 0) {
5793                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5794                                         WHERE id = '$feed_id'");
5795                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5796                         }
5797                 } else {
5798                         $table = "ttrss_cat_counters_cache";
5799                 }
5800
5801                 if (DB_TYPE == "pgsql") {
5802                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
5803                 } else if (DB_TYPE == "mysql") {
5804                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
5805                 }
5806
5807                 $result = db_query($link, "SELECT value FROM $table
5808                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
5809                         LIMIT 1");
5810
5811                 if (db_num_rows($result) == 1) {
5812                         return db_fetch_result($result, 0, "value");
5813                 } else {
5814                         if ($no_update) {
5815                                 return -1;
5816                         } else {
5817                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
5818                         }
5819                 }
5820
5821         }
5822
5823         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
5824                 $update_pcat = true) {
5825
5826                 if (!is_numeric($feed_id)) return;
5827
5828                 if (!$is_cat && $feed_id > 0) {
5829                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5830                                 WHERE id = '$feed_id'");
5831                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5832                 }
5833
5834                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
5835
5836                 /* When updating a label, all we need to do is recalculate feed counters
5837                  * because labels are not cached */
5838
5839                 if ($feed_id < 0) {
5840                         ccache_update_all($link, $owner_uid);
5841                         return;
5842                 }
5843
5844                 if (!$is_cat) {
5845                         $table = "ttrss_counters_cache";
5846                 } else {
5847                         $table = "ttrss_cat_counters_cache";
5848                 }
5849
5850                 if ($is_cat && $feed_id >= 0) {
5851                         if ($feed_id != 0) {
5852                                 $cat_qpart = "cat_id = '$feed_id'";
5853                         } else {
5854                                 $cat_qpart = "cat_id IS NULL";
5855                         }
5856
5857                         /* Recalculate counters for child feeds */
5858
5859                         $result = db_query($link, "SELECT id FROM ttrss_feeds
5860                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
5861
5862                         while ($line = db_fetch_assoc($result)) {
5863                                 ccache_update($link, $line["id"], $owner_uid, false, false);
5864                         }
5865
5866                         $result = db_query($link, "SELECT SUM(value) AS sv
5867                                 FROM ttrss_counters_cache, ttrss_feeds
5868                                 WHERE id = feed_id AND $cat_qpart AND
5869                                 ttrss_feeds.owner_uid = '$owner_uid'");
5870
5871                         $unread = (int) db_fetch_result($result, 0, "sv");
5872
5873                 } else {
5874                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
5875                 }
5876
5877                 db_query($link, "BEGIN");
5878
5879                 $result = db_query($link, "SELECT feed_id FROM $table
5880                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
5881
5882                 if (db_num_rows($result) == 1) {
5883                         db_query($link, "UPDATE $table SET
5884                                 value = '$unread', updated = NOW() WHERE
5885                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5886
5887                 } else {
5888                         db_query($link, "INSERT INTO $table
5889                                 (feed_id, value, owner_uid, updated)
5890                                 VALUES
5891                                 ($feed_id, $unread, $owner_uid, NOW())");
5892                 }
5893
5894                 db_query($link, "COMMIT");
5895
5896                 if ($feed_id > 0 && $prev_unread != $unread) {
5897
5898                         if (!$is_cat) {
5899
5900                                 /* Update parent category */
5901
5902                                 if ($update_pcat) {
5903
5904                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
5905                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
5906
5907                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
5908
5909                                         ccache_update($link, $cat_id, $owner_uid, true);
5910
5911                                 }
5912                         }
5913                 } else if ($feed_id < 0) {
5914                         ccache_update_all($link, $owner_uid);
5915                 }
5916
5917                 return $unread;
5918         }
5919
5920         function label_find_id($link, $label, $owner_uid) {
5921                 $result = db_query($link,
5922                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
5923                                 AND owner_uid = '$owner_uid' LIMIT 1");
5924
5925                 if (db_num_rows($result) == 1) {
5926                         return db_fetch_result($result, 0, "id");
5927                 } else {
5928                         return 0;
5929                 }
5930         }
5931
5932         function get_article_labels($link, $id) {
5933                 global $memcache;
5934
5935                 $obj_id = md5("LABELS:$id:" . $_SESSION["uid"]);
5936
5937                 $rv = array();
5938
5939                 if ($memcache && $obj = $memcache->get($obj_id)) {
5940                         return $obj;
5941                 } else {
5942
5943                         $result = db_query($link, "SELECT label_cache FROM
5944                                 ttrss_user_entries WHERE ref_id = '$id' AND owner_uid = " .
5945                                 $_SESSION["uid"]);
5946
5947                         $label_cache = db_fetch_result($result, 0, "label_cache");
5948
5949                         if ($label_cache) {
5950
5951                                 $label_cache = json_decode($label_cache, true);
5952
5953                                 if ($label_cache["no-labels"] == 1)
5954                                         return $rv;
5955                                 else
5956                                         return $label_cache;
5957                         }
5958
5959                         $result = db_query($link,
5960                                 "SELECT DISTINCT label_id,caption,fg_color,bg_color
5961                                         FROM ttrss_labels2, ttrss_user_labels2
5962                                 WHERE id = label_id
5963                                         AND article_id = '$id'
5964                                         AND owner_uid = ".$_SESSION["uid"] . "
5965                                 ORDER BY caption");
5966
5967                         while ($line = db_fetch_assoc($result)) {
5968                                 $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
5969                                         $line["bg_color"]);
5970                                 array_push($rv, $rk);
5971                         }
5972                         if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
5973
5974                         if (count($rv) > 0)
5975                                 label_update_cache($link, $id, $rv);
5976                         else
5977                                 label_update_cache($link, $id, array("no-labels" => 1));
5978                 }
5979
5980                 return $rv;
5981         }
5982
5983
5984         function label_find_caption($link, $label, $owner_uid) {
5985                 $result = db_query($link,
5986                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
5987                                 AND owner_uid = '$owner_uid' LIMIT 1");
5988
5989                 if (db_num_rows($result) == 1) {
5990                         return db_fetch_result($result, 0, "caption");
5991                 } else {
5992                         return "";
5993                 }
5994         }
5995
5996         function label_update_cache($link, $id, $labels = false, $force = false) {
5997
5998                 if ($force)
5999                         label_clear_cache($link, $id);
6000
6001                 if (!$labels)
6002                         $labels = get_article_labels($link, $id);
6003
6004                 $labels = db_escape_string(json_encode($labels));
6005
6006                 db_query($link, "UPDATE ttrss_user_entries SET
6007                         label_cache = '$labels' WHERE ref_id = '$id'");
6008
6009         }
6010
6011         function label_clear_cache($link, $id) {
6012
6013                 db_query($link, "UPDATE ttrss_user_entries SET
6014                         label_cache = '' WHERE ref_id = '$id'");
6015
6016         }
6017
6018         function label_remove_article($link, $id, $label, $owner_uid) {
6019
6020                 $label_id = label_find_id($link, $label, $owner_uid);
6021
6022                 if (!$label_id) return;
6023
6024                 $result = db_query($link,
6025                         "DELETE FROM ttrss_user_labels2
6026                         WHERE
6027                                 label_id = '$label_id' AND
6028                                 article_id = '$id'");
6029
6030                 label_clear_cache($link, $id);
6031         }
6032
6033         function label_add_article($link, $id, $label, $owner_uid) {
6034
6035                 global $memcache;
6036
6037                 if ($memcache) {
6038                         $obj_id = md5("LABELS:$id:$owner_uid");
6039                         $memcache->delete($obj_id);
6040                 }
6041
6042                 $label_id = label_find_id($link, $label, $owner_uid);
6043
6044                 if (!$label_id) return;
6045
6046                 $result = db_query($link,
6047                         "SELECT
6048                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6049                         WHERE
6050                                 label_id = id AND
6051                                 label_id = '$label_id' AND
6052                                 article_id = '$id' AND owner_uid = '$owner_uid'
6053                         LIMIT 1");
6054
6055                 if (db_num_rows($result) == 0) {
6056                         db_query($link, "INSERT INTO ttrss_user_labels2
6057                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6058                 }
6059
6060                 label_clear_cache($link, $id);
6061
6062         }
6063
6064         function label_remove($link, $id, $owner_uid) {
6065                 global $memcache;
6066
6067                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6068
6069                 if ($memcache) {
6070                         $obj_id = md5("LABELS:$id:$owner_uid");
6071                         $memcache->delete($obj_id);
6072                 }
6073
6074                 db_query($link, "BEGIN");
6075
6076                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6077                         WHERE id = '$id'");
6078
6079                 $caption = db_fetch_result($result, 0, "caption");
6080
6081                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6082                         AND owner_uid = " . $owner_uid);
6083
6084                 if (db_affected_rows($link, $result) != 0 && $caption) {
6085
6086                         /* Remove access key for the label */
6087
6088                         $ext_id = -11 - $id;
6089
6090                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6091                                 feed_id = '$ext_id' AND owner_uid = $owner_uid");
6092
6093                         /* Disable filters that reference label being removed */
6094
6095                         db_query($link, "UPDATE ttrss_filters SET
6096                                 enabled = false WHERE action_param = '$caption'
6097                                         AND action_id = 7
6098                                         AND owner_uid = " . $owner_uid);
6099
6100                         /* Remove cached data */
6101
6102                         db_query($link, "UPDATE ttrss_user_entries SET label_cache = ''
6103                                 WHERE label_cache LIKE '%$caption%' AND owner_uid = " . $owner_uid);
6104
6105                 }
6106
6107                 db_query($link, "COMMIT");
6108         }
6109
6110         function label_create($link, $caption) {
6111
6112                 db_query($link, "BEGIN");
6113
6114                 $result = false;
6115
6116                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6117                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6118
6119                 if (db_num_rows($result) == 0) {
6120                         $result = db_query($link,
6121                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
6122                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6123
6124                         $result = db_affected_rows($link, $result) != 0;
6125                 }
6126
6127                 db_query($link, "COMMIT");
6128
6129                 return $result;
6130         }
6131
6132         function print_labels_headlines_dropdown($link, $feed_id) {
6133                 print "<option value=\"addLabel()\">".__("Create label...")."</option>";
6134
6135                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6136                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6137
6138                 while ($line = db_fetch_assoc($result)) {
6139
6140                         $label_id = $line["id"];
6141                         $label_caption = $line["caption"];
6142                         $id = $line["id"];
6143
6144                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6145                                 print "<option id=\"LHDL-$id\"
6146                                         value=\"selectionRemoveLabel($label_id)\">".
6147                                         __('Remove:') . " $label_caption</option>";
6148                         } else {
6149                                 print "<option id=\"LHDL-$id\"
6150                                         value=\"selectionAssignLabel($label_id)\">".
6151                                         __('Assign:') . " $label_caption</option>";
6152                         }
6153                 }
6154         }
6155
6156         function format_tags_string($tags, $id) {
6157
6158                 $tags_str = "";
6159                 $tags_nolinks_str = "";
6160
6161                 $num_tags = 0;
6162
6163 /*              if (get_user_theme($link) == "3pane") {
6164                         $tag_limit = 3;
6165                 } else {
6166                         $tag_limit = 6;
6167                 } */
6168
6169                 $tag_limit = 6;
6170
6171                 $formatted_tags = array();
6172
6173                 foreach ($tags as $tag) {
6174                         $num_tags++;
6175                         $tag_escaped = str_replace("'", "\\'", $tag);
6176
6177                         if (mb_strlen($tag) > 30) {
6178                                 $tag = truncate_string($tag, 30);
6179                         }
6180
6181                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6182
6183                         array_push($formatted_tags, $tag_str);
6184
6185                         $tmp_tags_str = implode(", ", $formatted_tags);
6186
6187                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6188                                 break;
6189                         }
6190                 }
6191
6192                 $tags_str = implode(", ", $formatted_tags);
6193
6194                 if ($num_tags < count($tags)) {
6195                         $tags_str .= ", &hellip;";
6196                 }
6197
6198                 if ($num_tags == 0) {
6199                         $tags_str = __("no tags");
6200                 }
6201
6202                 return $tags_str;
6203
6204         }
6205
6206         function format_article_labels($labels, $id) {
6207
6208                 $labels_str = "";
6209
6210                 foreach ($labels as $l) {
6211                         $labels_str .= sprintf("<span class='hlLabelRef'
6212                                 style='color : %s; background-color : %s'>%s</span>",
6213                                         $l[2], $l[3], $l[1]);
6214                         }
6215
6216                 return $labels_str;
6217
6218         }
6219
6220         function format_article_note($id, $note) {
6221
6222                 $note_escaped = htmlspecialchars($note, ENT_QUOTES);
6223
6224                 $str = "<div class='articleNote'>";
6225                 $str .= $note;
6226                 $str .= "<div class='articleNoteOps'>";
6227                 $str .= "<a href=\"javascript:publishWithNote($id, '$note_escaped')\">".
6228                         __('edit note')."</a>";
6229                 $str .= "</div>";
6230                 $str .= "</div>";
6231
6232                 return $str;
6233         }
6234
6235         function toggle_collapse_cat($link, $cat_id, $mode) {
6236                 if ($cat_id > 0) {
6237                         $mode = bool_to_sql_bool($mode);
6238
6239                         db_query($link, "UPDATE ttrss_feed_categories SET
6240                                 collapsed = $mode WHERE id = '$cat_id' AND owner_uid = " .
6241                                 $_SESSION["uid"]);
6242                 } else {
6243                         $pref_name = '';
6244
6245                         switch ($cat_id) {
6246                         case -1:
6247                                 $pref_name = '_COLLAPSED_SPECIAL';
6248                                 break;
6249                         case -2:
6250                                 $pref_name = '_COLLAPSED_LABELS';
6251                                 break;
6252                         case 0:
6253                                 $pref_name = '_COLLAPSED_UNCAT';
6254                                 break;
6255                         }
6256
6257                         if ($pref_name) {
6258                                 if ($mode) {
6259                                         set_pref($link, $pref_name, 'true');
6260                                 } else {
6261                                         set_pref($link, $pref_name, 'false');
6262                                 }
6263                         }
6264                 }
6265         }
6266
6267         function remove_feed($link, $id, $owner_uid) {
6268
6269                 if ($id > 0) {
6270
6271                         /* save starred articles in Archived feed */
6272
6273                         db_query($link, "BEGIN");
6274
6275                         /* prepare feed if necessary */
6276
6277                         $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6278                                 WHERE id = '$id'");
6279
6280                         if (db_num_rows($result) == 0) {
6281                                 db_query($link, "INSERT INTO ttrss_archived_feeds
6282                                         (id, owner_uid, title, feed_url, site_url)
6283                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6284                                 WHERE id = '$id'");
6285                         }
6286
6287                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
6288                                 orig_feed_id = '$id' WHERE feed_id = '$id' AND
6289                                         marked = true AND owner_uid = $owner_uid");
6290
6291                         /* Remove access key for the feed */
6292
6293                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6294                                 feed_id = '$id' AND owner_uid = $owner_uid");
6295
6296                         /* remove the feed */
6297
6298                         db_query($link, "DELETE FROM ttrss_feeds
6299                                         WHERE id = '$id' AND owner_uid = $owner_uid");
6300
6301                         db_query($link, "COMMIT");
6302
6303 /*                      if (file_exists(ICONS_DIR . "/$id.ico")) {
6304                                 unlink(ICONS_DIR . "/$id.ico");
6305                         } */
6306
6307                         ccache_remove($link, $id, $owner_uid);
6308
6309                 } else {
6310                         label_remove($link, -11-$id, $owner_uid);
6311                         ccache_remove($link, -11-$id, $owner_uid);
6312                 }
6313         }
6314
6315         function add_feed_category($link, $feed_cat) {
6316
6317                 if (!$feed_cat) return false;
6318
6319                 db_query($link, "BEGIN");
6320
6321                 $result = db_query($link,
6322                         "SELECT id FROM ttrss_feed_categories
6323                         WHERE title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
6324
6325                 if (db_num_rows($result) == 0) {
6326
6327                         $result = db_query($link,
6328                                 "INSERT INTO ttrss_feed_categories (owner_uid,title)
6329                                 VALUES ('".$_SESSION["uid"]."', '$feed_cat')");
6330
6331                         db_query($link, "COMMIT");
6332
6333                         return true;
6334                 }
6335
6336                 return false;
6337         }
6338
6339         function remove_feed_category($link, $id, $owner_uid) {
6340
6341                 db_query($link, "DELETE FROM ttrss_feed_categories
6342                         WHERE id = '$id' AND owner_uid = $owner_uid");
6343
6344                 ccache_remove($link, $id, $owner_uid, true);
6345         }
6346
6347         function archive_article($link, $id, $owner_uid) {
6348                 db_query($link, "BEGIN");
6349
6350                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6351                         WHERE ref_id = '$id' AND owner_uid = $owner_uid");
6352
6353                 if (db_num_rows($result) != 0) {
6354
6355                         /* prepare the archived table */
6356
6357                         $feed_id = (int) db_fetch_result($result, 0, "feed_id");
6358
6359                         if ($feed_id) {
6360                                 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6361                                         WHERE id = '$feed_id'");
6362
6363                                 if (db_num_rows($result) == 0) {
6364                                         db_query($link, "INSERT INTO ttrss_archived_feeds
6365                                                 (id, owner_uid, title, feed_url, site_url)
6366                                         SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6367                                         WHERE id = '$feed_id'");
6368                                 }
6369
6370                                 db_query($link, "UPDATE ttrss_user_entries
6371                                         SET orig_feed_id = feed_id, feed_id = NULL
6372                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6373                         }
6374                 }
6375
6376                 db_query($link, "COMMIT");
6377         }
6378
6379         function getArticleFeed($link, $id) {
6380                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6381                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6382
6383                 if (db_num_rows($result) != 0) {
6384                         return db_fetch_result($result, 0, "feed_id");
6385                 } else {
6386                         return 0;
6387                 }
6388         }
6389
6390         function make_url_from_parts($parts) {
6391                 $url = $parts['scheme'] . '://' . $parts['host'];
6392
6393                 if ($parts['path']) $url .= $parts['path'];
6394                 if ($parts['query']) $url .= '?' . $parts['query'];
6395
6396                 return $url;
6397         }
6398
6399         /**
6400          * Fixes incomplete URLs by prepending "http://".
6401          * Also replaces feed:// with http://, and
6402          * prepends a trailing slash if the url is a domain name only.
6403          *
6404          * @param string $url Possibly incomplete URL
6405          *
6406          * @return string Fixed URL.
6407          */
6408         function fix_url($url) {
6409                 if (strpos($url, '://') === false) {
6410                         $url = 'http://' . $url;
6411                 } else if (substr($url, 0, 5) == 'feed:') {
6412                         $url = 'http:' . substr($url, 5);
6413                 }
6414
6415                 //prepend slash if the URL has no slash in it
6416                 // "http://www.example" -> "http://www.example/"
6417                 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
6418                         $url .= '/';
6419                 }
6420                 return $url;
6421         }
6422
6423         function validate_feed_url($url) {
6424                 $parts = parse_url($url);
6425
6426                 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
6427
6428         }
6429
6430         function get_article_enclosures($link, $id) {
6431
6432                 global $memcache;
6433
6434                 $query = "SELECT * FROM ttrss_enclosures
6435                         WHERE post_id = '$id' AND content_url != ''";
6436
6437                 $obj_id = md5("ENCLOSURES:$id");
6438
6439                 $rv = array();
6440
6441                 if ($memcache && $obj = $memcache->get($obj_id)) {
6442                         $rv = $obj;
6443                 } else {
6444                         $result = db_query($link, $query);
6445
6446                         if (db_num_rows($result) > 0) {
6447                                 while ($line = db_fetch_assoc($result)) {
6448                                         array_push($rv, $line);
6449                                 }
6450                                 if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6451                         }
6452                 }
6453
6454                 return $rv;
6455         }
6456
6457         function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset) {
6458
6459                         $feeds = array();
6460
6461                         /* Labels */
6462
6463                         if ($cat_id == -4 || $cat_id == -2) {
6464                                 $counters = getLabelCounters($link, true);
6465
6466                                 foreach (array_values($counters) as $cv) {
6467
6468                                         $unread = $cv["counter"];
6469
6470                                         if ($unread || !$unread_only) {
6471
6472                                                 $row = array(
6473                                                                 "id" => $cv["id"],
6474                                                                 "title" => $cv["description"],
6475                                                                 "unread" => $cv["counter"],
6476                                                                 "cat_id" => -2,
6477                                                         );
6478
6479                                                 array_push($feeds, $row);
6480                                         }
6481                                 }
6482                         }
6483
6484                         /* Virtual feeds */
6485
6486                         if ($cat_id == -4 || $cat_id == -1) {
6487                                 foreach (array(-1, -2, -3, -4, 0) as $i) {
6488                                         $unread = getFeedUnread($link, $i);
6489
6490                                         if ($unread || !$unread_only) {
6491                                                 $title = getFeedTitle($link, $i);
6492
6493                                                 $row = array(
6494                                                                 "id" => $i,
6495                                                                 "title" => $title,
6496                                                                 "unread" => $unread,
6497                                                                 "cat_id" => -1,
6498                                                         );
6499                                                 array_push($feeds, $row);
6500                                         }
6501
6502                                 }
6503                         }
6504
6505                         /* Real feeds */
6506
6507                         if ($limit) {
6508                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
6509                         } else {
6510                                 $limit_qpart = "";
6511                         }
6512
6513                         if ($cat_id == -4 || $cat_id == -3) {
6514                                 $result = db_query($link, "SELECT
6515                                         id, feed_url, cat_id, title, ".
6516                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6517                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
6518                                                 " ORDER BY cat_id, title " . $limit_qpart);
6519                         } else {
6520
6521                                 if ($cat_id)
6522                                         $cat_qpart = "cat_id = '$cat_id'";
6523                                 else
6524                                         $cat_qpart = "cat_id IS NULL";
6525
6526                                 $result = db_query($link, "SELECT
6527                                         id, feed_url, cat_id, title, ".
6528                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6529                                                 FROM ttrss_feeds WHERE
6530                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
6531                                                 " ORDER BY cat_id, title " . $limit_qpart);
6532                         }
6533
6534                         while ($line = db_fetch_assoc($result)) {
6535
6536                                 $unread = getFeedUnread($link, $line["id"]);
6537
6538                                 $has_icon = feed_has_icon($line['id']);
6539
6540                                 if ($unread || !$unread_only) {
6541
6542                                         $row = array(
6543                                                         "feed_url" => $line["feed_url"],
6544                                                         "title" => $line["title"],
6545                                                         "id" => (int)$line["id"],
6546                                                         "unread" => (int)$unread,
6547                                                         "has_icon" => $has_icon,
6548                                                         "cat_id" => (int)$line["cat_id"],
6549                                                         "last_updated" => strtotime($line["last_updated"])
6550                                                 );
6551
6552                                         array_push($feeds, $row);
6553                                 }
6554                         }
6555
6556                 return $feeds;
6557         }
6558
6559         function api_get_headlines($link, $feed_id, $limit, $offset,
6560                                         $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order) {
6561
6562                         /* do not rely on params below */
6563
6564                         $search = db_escape_string($_REQUEST["search"]);
6565                         $search_mode = db_escape_string($_REQUEST["search_mode"]);
6566                         $match_on = db_escape_string($_REQUEST["match_on"]);
6567
6568                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
6569                                 $view_mode, $is_cat, $search, $search_mode, $match_on,
6570                                 $order, $offset);
6571
6572                         $result = $qfh_ret[0];
6573                         $feed_title = $qfh_ret[1];
6574
6575                         $headlines = array();
6576
6577                         while ($line = db_fetch_assoc($result)) {
6578                                 $is_updated = ($line["last_read"] == "" &&
6579                                         ($line["unread"] != "t" && $line["unread"] != "1"));
6580
6581                                 $headline_row = array(
6582                                                 "id" => (int)$line["id"],
6583                                                 "unread" => sql_bool_to_bool($line["unread"]),
6584                                                 "marked" => sql_bool_to_bool($line["marked"]),
6585                                                 "published" => sql_bool_to_bool($line["published"]),
6586                                                 "updated" => strtotime($line["updated"]),
6587                                                 "is_updated" => $is_updated,
6588                                                 "title" => $line["title"],
6589                                                 "link" => $line["link"],
6590                                                 "feed_id" => $line["feed_id"],
6591                                                 "tags" => get_article_tags($link, $line["id"]),
6592                                         );
6593
6594                                 if ($show_excerpt) {
6595                                         $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
6596                                         $headline_row["excerpt"] = $excerpt;
6597                                 }
6598
6599                                 if ($show_content) {
6600                                         $headline_row["content"] = $line["content_preview"];
6601                                 }
6602
6603                                 array_push($headlines, $headline_row);
6604                         }
6605
6606                         return $headlines;
6607         }
6608
6609         function generate_dashboard_feed($link) {
6610                 print "<headlines id=\"-5\" is_cat=\"\">";
6611
6612                 print "<toolbar><![CDATA[]]></toolbar>";
6613
6614                 print '<content><![CDATA[';
6615
6616                 print "<div class='whiteBox'>".__('No feed selected.');
6617
6618                 print "<p class=\"small\"><span class=\"insensitive\">";
6619
6620                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
6621                         WHERE owner_uid = " . $_SESSION['uid']);
6622
6623                 $last_updated = db_fetch_result($result, 0, "last_updated");
6624                 $last_updated = make_local_datetime($link, $last_updated, false);
6625
6626                 printf(__("Feeds last updated at %s"), $last_updated);
6627
6628                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
6629                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
6630
6631                 $num_errors = db_fetch_result($result, 0, "num_errors");
6632
6633                 if ($num_errors > 0) {
6634                         print "<br/>";
6635                         print "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
6636                                 __('Some feeds have update errors (click for details)')."</a>";
6637                 }
6638                 print "</span></p>";
6639
6640                 print "]]></content>";
6641                 print "</headlines>";
6642
6643                 print "<headlines-info><![CDATA[";
6644
6645                 $info = array("count" => 0,
6646                         "vgroup_last_feed" => '',
6647                         "unread" => 0,
6648                         "disable_cache" => true);
6649
6650                 print json_encode($info);
6651
6652                 print "]]></headlines-info>";
6653
6654         }
6655
6656         function save_email_address($link, $email) {
6657                 // FIXME: implement persistent storage of emails
6658
6659                 if (!$_SESSION['stored_emails'])
6660                         $_SESSION['stored_emails'] = array();
6661
6662                 if (!in_array($email, $_SESSION['stored_emails']))
6663                         array_push($_SESSION['stored_emails'], $email);
6664         }
6665
6666         function update_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6667                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6668
6669                 $sql_is_cat = bool_to_sql_bool($is_cat);
6670
6671                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
6672                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
6673                         AND owner_uid = " . $owner_uid);
6674
6675                 if (db_num_rows($result) == 1) {
6676                         $key = db_escape_string(sha1(uniqid(rand(), true)));
6677
6678                         db_query($link, "UPDATE ttrss_access_keys SET access_key = '$key'
6679                                 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
6680                                 AND owner_uid = " . $owner_uid);
6681
6682                         return $key;
6683
6684                 } else {
6685                         return get_feed_access_key($link, $feed_id, $is_cat, $owner_uid);
6686                 }
6687         }
6688
6689         function get_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6690
6691                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6692
6693                 $sql_is_cat = bool_to_sql_bool($is_cat);
6694
6695                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
6696                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
6697                         AND owner_uid = " . $owner_uid);
6698
6699                 if (db_num_rows($result) == 1) {
6700                         return db_fetch_result($result, 0, "access_key");
6701                 } else {
6702                         $key = db_escape_string(sha1(uniqid(rand(), true)));
6703
6704                         $result = db_query($link, "INSERT INTO ttrss_access_keys
6705                                 (access_key, feed_id, is_cat, owner_uid)
6706                                 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
6707
6708                         return $key;
6709                 }
6710                 return false;
6711         }
6712
6713         /**
6714          * Extracts RSS/Atom feed URLs from the given HTML URL.
6715          *
6716          * @param string $url HTML page URL
6717          *
6718          * @return array Array of feeds. Key is the full URL, value the title
6719          */
6720         function get_feeds_from_html($url)
6721         {
6722                 $url     = fix_url($url);
6723                 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
6724
6725                 libxml_use_internal_errors(true);
6726
6727                 $doc = new DOMDocument();
6728                 $doc->loadHTMLFile($url);
6729                 $xpath = new DOMXPath($doc);
6730                 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
6731                 $feedUrls = array();
6732                 foreach ($entries as $entry) {
6733                         if ($entry->hasAttribute('href')) {
6734                                 $title = $entry->getAttribute('title');
6735                                 if ($title == '') {
6736                                         $title = $entry->getAttribute('type');
6737                                 }
6738                                 $feedUrl = rewrite_relative_url(
6739                                         $baseUrl, $entry->getAttribute('href')
6740                                 );
6741                                 $feedUrls[$feedUrl] = $title;
6742                         }
6743                 }
6744                 return $feedUrls;
6745         }
6746
6747         /**
6748          * Checks if the content behind the given URL is a HTML file
6749          *
6750          * @param string $url URL to check
6751          *
6752          * @return boolean True if the URL contains HTML content
6753          */
6754         function url_is_html($url) {
6755                 $content = substr(fetch_file_contents($url, false), 0, 1000);
6756                 if (stripos($content, '<html>') === false
6757                         && stripos($content, '<html ') === false
6758                 ) {
6759                         return false;
6760                 }
6761
6762                 return true;
6763         }
6764
6765         function print_label_select($link, $name, $value, $style = "") {
6766
6767                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6768                         WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6769
6770                 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
6771                         "\" style=\"$style\" onchange=\"labelSelectOnChange(this)\" >";
6772
6773                 while ($line = db_fetch_assoc($result)) {
6774
6775                         $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
6776
6777                         print "<option $issel>" . htmlspecialchars($line["caption"]) . "</option>";
6778
6779                 }
6780
6781                 print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
6782
6783                 print "</select>";
6784
6785
6786         }
6787
6788         function print_article_enclosures($link, $id, $always_display_enclosures,
6789                                         $article_content) {
6790
6791                 $result = get_article_enclosures($link, $id);
6792
6793                 if (count($result) > 0) {
6794
6795                         $entries_html = array();
6796                         $entries = array();
6797
6798                         foreach ($result as $line) {
6799
6800                                 $url = $line["content_url"];
6801                                 $ctype = $line["content_type"];
6802
6803                                 if (!$ctype) $ctype = __("unknown type");
6804
6805                                 $filename = substr($url, strrpos($url, "/")+1);
6806
6807                                 $entry = format_inline_player($link, $url, $ctype);
6808
6809                                 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
6810                                         $filename . " (" . $ctype . ")" . "</a>";
6811
6812                                 array_push($entries_html, $entry);
6813
6814                                 $entry = array();
6815
6816                                 $entry["type"] = $ctype;
6817                                 $entry["filename"] = $filename;
6818                                 $entry["url"] = $url;
6819
6820                                 array_push($entries, $entry);
6821                         }
6822
6823                         print "<div class=\"postEnclosures\">";
6824
6825                         if (!get_pref($link, "STRIP_IMAGES")) {
6826                                 if ($always_display_enclosures ||
6827                                                         !preg_match("/<img/i", $article_content)) {
6828
6829                                         foreach ($entries as $entry) {
6830
6831                                                 if (preg_match("/image/", $entry["type"]) ||
6832                                                                 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
6833
6834                                                                 print "<p><img
6835                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
6836                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
6837                                                 }
6838                                         }
6839                                 }
6840                         }
6841
6842                         if (count($entries) == 1) {
6843                                 print __("Attachment:") . " ";
6844                         } else {
6845                                 print __("Attachments:") . " ";
6846                         }
6847
6848                         print join(", ", $entries_html);
6849
6850                         print "</div>";
6851                 }
6852         }
6853
6854         function getLastArticleId($link) {
6855                 $result = db_query($link, "SELECT MAX(ref_id) AS id FROM ttrss_user_entries
6856                         WHERE owner_uid = " . $_SESSION["uid"]);
6857
6858                 if (db_num_rows($result) == 1) {
6859                         return db_fetch_result($result, 0, "id");
6860                 } else {
6861                         return -1;
6862                 }
6863         }
6864
6865         function build_url($parts) {
6866                 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
6867         }
6868
6869         /**
6870          * Converts a (possibly) relative URL to a absolute one.
6871          *
6872          * @param string $url     Base URL (i.e. from where the document is)
6873          * @param string $rel_url Possibly relative URL in the document
6874          *
6875          * @return string Absolute URL
6876          */
6877         function rewrite_relative_url($url, $rel_url) {
6878                 if (strpos($rel_url, "://") !== false) {
6879                         return $rel_url;
6880                 } else if (strpos($rel_url, "/") === 0)
6881                 {
6882                         $parts = parse_url($url);
6883                         $parts['path'] = $rel_url;
6884
6885                         return build_url($parts);
6886
6887                 } else {
6888                         $parts = parse_url($url);
6889                         if (!isset($parts['path'])) {
6890                                 $parts['path'] = '/';
6891                         }
6892                         $dir = $parts['path'];
6893                         if (substr($dir, -1) !== '/') {
6894                                 $dir = dirname($parts['path']);
6895                                 $dir !== '/' && $dir .= '/';
6896                         }
6897                         $parts['path'] = $dir . $rel_url;
6898
6899                         return build_url($parts);
6900                 }
6901         }
6902
6903         function sphinx_search($query, $offset = 0, $limit = 30) {
6904                 $sphinxClient = new SphinxClient();
6905
6906                 $sphinxClient->SetServer('localhost', 9312);
6907                 $sphinxClient->SetConnectTimeout(1);
6908
6909                 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
6910                         'feed_title' => 20));
6911
6912                 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
6913                 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
6914                 $sphinxClient->SetLimits($offset, $limit, 1000);
6915                 $sphinxClient->SetArrayResult(false);
6916                 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
6917
6918                 $result = $sphinxClient->Query($query, SPHINX_INDEX);
6919
6920                 $ids = array();
6921
6922                 if (is_array($result['matches'])) {
6923                         foreach (array_keys($result['matches']) as $int_id) {
6924                                 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
6925                                 array_push($ids, $ref_id);
6926                         }
6927                 }
6928
6929                 return $ids;
6930         }
6931
6932         function cleanup_tags($link, $days = 14, $limit = 1000) {
6933
6934                 if (DB_TYPE == "pgsql") {
6935                         $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
6936                 } else if (DB_TYPE == "mysql") {
6937                         $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
6938                 }
6939
6940                 $tags_deleted = 0;
6941
6942                 while ($limit > 0) {
6943                         $limit_part = 500;
6944
6945                         $query = "SELECT ttrss_tags.id AS id
6946                                 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
6947                                 WHERE post_int_id = int_id AND $interval_query AND
6948                                 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
6949
6950                         $result = db_query($link, $query);
6951
6952                         $ids = array();
6953
6954                         while ($line = db_fetch_assoc($result)) {
6955                                 array_push($ids, $line['id']);
6956                         }
6957
6958                         if (count($ids) > 0) {
6959                                 $ids = join(",", $ids);
6960                                 print ".";
6961
6962                                 $tmp_result = db_query($link, "DELETE FROM ttrss_tags WHERE id IN ($ids)");
6963                                 $tags_deleted += db_affected_rows($link, $tmp_result);
6964                         } else {
6965                                 break;
6966                         }
6967
6968                         $limit -= $limit_part;
6969                 }
6970
6971                 print "\n";
6972
6973                 return $tags_deleted;
6974         }
6975
6976         function feedlist_init_cat($link, $cat_id, $hidden = false) {
6977                 $obj = array();
6978                 $cat_id = (int) $cat_id;
6979
6980                 if ($cat_id > 0) {
6981                         $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
6982                 } else if ($cat_id == 0 || $cat_id == -2) {
6983                         $cat_unread = getCategoryUnread($link, $cat_id);
6984                 }
6985
6986                 $obj['id'] = 'CAT:' . ((int)$cat_id);
6987                 $obj['items'] = array();
6988                 $obj['name'] = getCategoryTitle($link, $cat_id);
6989                 $obj['type'] = 'feed';
6990                 $obj['unread'] = (int) $cat_unread;
6991                 $obj['hidden'] = $hidden;
6992
6993                 return $obj;
6994         }
6995
6996         function feedlist_init_feed($link, $feed_id, $title = false, $unread = false, $error = '', $updated = '') {
6997                 $obj = array();
6998
6999                 if (!$title)
7000                         $title = getFeedTitle($link, $feed_id, false);
7001
7002                 if (!$unread)
7003                         $unread = getFeedUnread($link, $feed_id, false);
7004
7005                 $obj['id'] = 'FEED:' . $feed_id;
7006                 $obj['name'] = $title;
7007                 $obj['unread'] = (int) $unread;
7008                 $obj['type'] = 'feed';
7009                 $obj['error'] = $error;
7010                 $obj['updated'] = $updated;
7011                 $obj['icon'] = getFeedIcon($feed_id);
7012
7013                 return $obj;
7014         }
7015
7016 ?>