functions.php

   1 <?php
   2
   3 /*      if ($_GET["debug"]) {
   4                 define('DEFAULT_ERROR_LEVEL', E_ALL);
   5         } else {
   6                 define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
   7         } */
   8
   9         require_once 'config.php';
  10
  11         if (DB_TYPE == "pgsql") {
  12                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  13         } else {
  14                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  15         }
  16
  17         /**
  18          * Return available translations names.
  19          *
  20          * @access public
  21          * @return array A array of available translations.
  22          */
  23         function get_translations() {
  24                 $tr = array(
  25                                         "auto"  => "Detect automatically",
  26                                         "en_US" => "English",
  27                                         "fr_FR" => "Français",
  28                                         "hu_HU" => "Magyar (Hungarian)",
  29                                         "nb_NO" => "Norwegian bokmål",
  30                                         "ru_RU" => "Русский",
  31                                         "pt_BR" => "Portuguese/Brazil",
  32                                         "zh_CN" => "Simplified Chinese");
  33
  34                 return $tr;
  35         }
  36
  37         if (ENABLE_TRANSLATIONS == true) { // If translations are enabled.
  38                 require_once "accept-to-gettext.php";
  39                 require_once "gettext/gettext.inc";
  40
  41                 function startup_gettext() {
  42
  43                         # Get locale from Accept-Language header
  44                         $lang = al2gt(array_keys(get_translations()), "text/html");
  45
  46                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  47                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  48                         }
  49
  50                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  51                                 $lang = $_COOKIE["ttrss_lang"];
  52                         }
  53
  54                         if ($lang) {
  55                                 if (defined('LC_MESSAGES')) {
  56                                         _setlocale(LC_MESSAGES, $lang);
  57                                 } else if (defined('LC_ALL')) {
  58                                         _setlocale(LC_ALL, $lang);
  59                                 } else {
  60                                         die("can't setlocale(): please set ENABLE_TRANSLATIONS to false in config.php");
  61                                 }
  62                                 _bindtextdomain("messages", "locale");
  63                                 _textdomain("messages");
  64                                 _bind_textdomain_codeset("messages", "UTF-8");
  65                         }
  66                 }
  67
  68                 startup_gettext();
  69
  70         } else { // If translations are enabled.
  71                 function __($msg) {
  72                         return $msg;
  73                 }
  74                 function startup_gettext() {
  75                         // no-op
  76                         return true;
  77                 }
  78         } // If translations are enabled.
  79
  80         require_once 'db-prefs.php';
  81         require_once 'compat.php';
  82         require_once 'errors.php';
  83         require_once 'version.php';
  84
  85         require_once 'phpmailer/class.phpmailer.php';
  86
  87         define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
  88         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
  89         define('MAGPIE_CACHE_AGE', 60*15); // 15 minutes
  90
  91         require_once "simplepie/simplepie.inc";
  92         require_once "magpierss/rss_fetch.inc";
  93         require_once 'magpierss/rss_utils.inc';
  94
  95         /**
  96          * Print a timestamped debug message.
  97          *
  98          * @param string $msg The debug message.
  99          * @return void
 100          */
 101         function _debug($msg) {
 102                 $ts = strftime("%H:%M:%S", time());
 103                 if (function_exists('posix_getpid')) {
 104                         $ts = "$ts/" . posix_getpid();
 105                 }
 106                 print "[$ts] $msg\n";
 107         } // function _debug
 108
 109         /**
 110          * Purge a feed old posts.
 111          *
 112          * @param mixed $link A database connection.
 113          * @param mixed $feed_id The id of the purged feed.
 114          * @param mixed $purge_interval Olderness of purged posts.
 115          * @param boolean $debug Set to True to enable the debug. False by default.
 116          * @access public
 117          * @return void
 118          */
 119         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 120
 121                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 122
 123                 $rows = -1;
 124
 125                 $result = db_query($link,
 126                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 127
 128                 $owner_uid = false;
 129
 130                 if (db_num_rows($result) == 1) {
 131                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 132                 }
 133
 134                 if (!$owner_uid) return;
 135
 136                 $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 137                         $owner_uid, false);
 138
 139                 if (!$purge_unread) $query_limit = " unread = false AND ";
 140
 141                 if (DB_TYPE == "pgsql") {
 142 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 143                                 marked = false AND feed_id = '$feed_id' AND
 144                                 (SELECT date_entered FROM ttrss_entries WHERE
 145                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
 146
 147                         $pg_version = get_pgsql_version($link);
 148
 149                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 150
 151                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 152                                         ttrss_entries.id = ref_id AND
 153                                         marked = false AND
 154                                         feed_id = '$feed_id' AND
 155                                         $query_limit
 156                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 157
 158                         } else {
 159
 160                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 161                                         USING ttrss_entries
 162                                         WHERE ttrss_entries.id = ref_id AND
 163                                         marked = false AND
 164                                         feed_id = '$feed_id' AND
 165                                         $query_limit
 166                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 167                         }
 168
 169                         $rows = pg_affected_rows($result);
 170
 171                 } else {
 172
 173 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 174                                 marked = false AND feed_id = '$feed_id' AND
 175                                 (SELECT date_entered FROM ttrss_entries WHERE
 176                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 177
 178                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 179                                 USING ttrss_user_entries, ttrss_entries
 180                                 WHERE ttrss_entries.id = ref_id AND
 181                                 marked = false AND
 182                                 feed_id = '$feed_id' AND
 183                                 $query_limit
 184                                 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 185
 186                         $rows = mysql_affected_rows($link);
 187
 188                 }
 189
 190                 if ($debug) {
 191                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 192                 }
 193         } // function purge_feed
 194
 195         /**
 196          * Purge old posts from old feeds.
 197          *
 198          * @param mixed $link A database connection
 199          * @param boolean $do_output Set to true to enable printed output, false by default.
 200          * @param integer $limit The maximal number of removed posts.
 201          * @access public
 202          * @return void
 203          */
 204         function global_purge_old_posts($link, $do_output = false, $limit = false) {
 205
 206                 $random_qpart = sql_random_function();
 207
 208                 if ($limit) {
 209                         $limit_qpart = "LIMIT $limit";
 210                 } else {
 211                         $limit_qpart = "";
 212                 }
 213
 214                 $result = db_query($link,
 215                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 216                                 ORDER BY $random_qpart $limit_qpart");
 217
 218                 while ($line = db_fetch_assoc($result)) {
 219
 220                         $feed_id = $line["id"];
 221                         $purge_interval = $line["purge_interval"];
 222                         $owner_uid = $line["owner_uid"];
 223
 224                         if ($purge_interval == 0) {
 225
 226                                 $tmp_result = db_query($link,
 227                                         "SELECT value FROM ttrss_user_prefs WHERE
 228                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 229
 230                                 if (db_num_rows($tmp_result) != 0) {
 231                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 232                                 }
 233                         }
 234
 235                         if ($do_output) {
 236 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 237                         }
 238
 239                         if ($purge_interval > 0) {
 240                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 241                         }
 242                 }
 243
 244                 // purge orphaned posts in main content table
 245                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 246                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 247
 248                 if ($do_output) {
 249                         $rows = db_affected_rows($link, $result);
 250                         _debug("Purged $rows orphaned posts.");
 251                 }
 252
 253         } // function global_purge_old_posts
 254
 255         function feed_purge_interval($link, $feed_id) {
 256
 257                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 258                         WHERE id = '$feed_id'");
 259
 260                 if (db_num_rows($result) == 1) {
 261                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 262                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 263
 264                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 265                                 'PURGE_OLD_DAYS', $user_id);
 266
 267                         return $purge_interval;
 268
 269                 } else {
 270                         return -1;
 271                 }
 272         }
 273
 274         function purge_old_posts($link) {
 275
 276                 $user_id = $_SESSION["uid"];
 277
 278                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 279                         WHERE owner_uid = '$user_id'");
 280
 281                 while ($line = db_fetch_assoc($result)) {
 282
 283                         $feed_id = $line["id"];
 284                         $purge_interval = $line["purge_interval"];
 285
 286                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 287
 288                         if ($purge_interval > 0) {
 289                                 purge_feed($link, $feed_id, $purge_interval);
 290                         }
 291                 }
 292
 293                 // purge orphaned posts in main content table
 294                 db_query($link, "DELETE FROM ttrss_entries WHERE
 295                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 296         }
 297
 298         function get_feed_update_interval($link, $feed_id) {
 299                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 300                         ttrss_feeds WHERE id = '$feed_id'");
 301
 302                 if (db_num_rows($result) == 1) {
 303                         $update_interval = db_fetch_result($result, 0, "update_interval");
 304                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 305
 306                         if ($update_interval != 0) {
 307                                 return $update_interval;
 308                         } else {
 309                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 310                         }
 311
 312                 } else {
 313                         return -1;
 314                 }
 315         }
 316
 317         function update_all_feeds($link, $fetch, $user_id = false, $force_daemon = false) {
 318
 319                 if (WEB_DEMO_MODE) return;
 320
 321                 if (!$user_id) {
 322                         $user_id = $_SESSION["uid"];
 323                         purge_old_posts($link);
 324                 }
 325
 326 //              db_query($link, "BEGIN");
 327
 328                 if (MAX_UPDATE_TIME > 0) {
 329                         if (DB_TYPE == "mysql") {
 330                                 $q_order = "RAND()";
 331                         } else {
 332                                 $q_order = "RANDOM()";
 333                         }
 334                 } else {
 335                         $q_order = "last_updated DESC";
 336                 }
 337
 338                 $result = db_query($link, "SELECT feed_url,id,
 339                         ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated,
 340                         update_interval FROM ttrss_feeds WHERE owner_uid = '$user_id'
 341                         ORDER BY $q_order");
 342
 343                 $upd_start = time();
 344
 345                 while ($line = db_fetch_assoc($result)) {
 346                         $upd_intl = $line["update_interval"];
 347
 348                         if (!$upd_intl || $upd_intl == 0) {
 349                                 $upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id, false);
 350                         }
 351
 352                         if ($upd_intl < 0) {
 353                                 // Updates for this feed are disabled
 354                                 continue;
 355                         }
 356
 357                         if ($fetch || (!$line["last_updated"] ||
 358                                 time() - strtotime($line["last_updated"]) > ($upd_intl * 60))) {
 359
 360 //                              print "<!-- feed: ".$line["feed_url"]." -->";
 361
 362                                 update_rss_feed($link, $line["feed_url"], $line["id"], $force_daemon);
 363
 364                                 $upd_elapsed = time() - $upd_start;
 365
 366                                 if (MAX_UPDATE_TIME > 0 && $upd_elapsed > MAX_UPDATE_TIME) {
 367                                         return;
 368                                 }
 369                         }
 370                 }
 371
 372 //              db_query($link, "COMMIT");
 373
 374         }
 375
 376         function fetch_file_contents($url) {
 377                 if (USE_CURL_FOR_ICONS) {
 378                         $tmpfile = tempnam(TMP_DIRECTORY, "ttrss-tmp");
 379
 380                         $ch = curl_init($url);
 381                         $fp = fopen($tmpfile, "w");
 382
 383                         if ($fp) {
 384                                 curl_setopt($ch, CURLOPT_FILE, $fp);
 385                                 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 386                                 curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 387                                 curl_exec($ch);
 388                                 curl_close($ch);
 389                                 fclose($fp);
 390                         }
 391
 392                         $contents =  file_get_contents($tmpfile);
 393                         unlink($tmpfile);
 394
 395                         return $contents;
 396
 397                 } else {
 398                         return file_get_contents($url);
 399                 }
 400
 401         }
 402
 403         /**
 404          * Try to determine the favicon URL for a feed.
 405          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 406          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 407          *
 408          * @param string $url A feed or page URL
 409          * @access public
 410          * @return mixed The favicon URL, or false if none was found.
 411          */
 412         function get_favicon_url($url) {
 413
 414                 if ($html = @fetch_file_contents($url)) {
 415
 416                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
 417                                 // Attempt to grab a favicon link from their webpage url
 418                                 $linkUrl = html_entity_decode($matches[1]);
 419
 420                                 if (substr($linkUrl, 0, 1) == '/') {
 421                                         $urlParts = parse_url($url);
 422                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
 423                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
 424                                         $faviconURL = $linkUrl;
 425                                 } else if (substr($url, -1, 1) == '/') {
 426                                         $faviconURL = $url.$linkUrl;
 427                                 } else {
 428                                         $faviconURL = $url.'/'.$linkUrl;
 429                                 }
 430
 431                         } else {
 432                                 // If unsuccessful, attempt to "guess" the favicon location
 433                                 $urlParts = parse_url($url);
 434                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
 435                         }
 436                 }
 437
 438                 // Run a test to see if what we have attempted to get actually exists.
 439                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
 440                         return $faviconURL;
 441                 } else {
 442                         return false;
 443                 }
 444         } // function get_favicon_url
 445
 446         /**
 447          * Check if a link is a valid and working URL.
 448          *
 449          * @param mixed $link A URL to check
 450          * @access public
 451          * @return boolean True if the URL is valid, false otherwise.
 452          */
 453         function url_validate($link) {
 454
 455                 $url_parts = @parse_url($link);
 456
 457                 if ( empty( $url_parts["host"] ) )
 458                                 return false;
 459
 460                 if ( !empty( $url_parts["path"] ) ) {
 461                                 $documentpath = $url_parts["path"];
 462                 } else {
 463                                 $documentpath = "/";
 464                 }
 465
 466                 if ( !empty( $url_parts["query"] ) )
 467                                 $documentpath .= "?" . $url_parts["query"];
 468
 469                 $host = $url_parts["host"];
 470                 $port = $url_parts["port"];
 471
 472                 if ( empty($port) )
 473                                 $port = "80";
 474
 475                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 476
 477                 if ( !$socket )
 478                                 return false;
 479
 480                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 481
 482                 $http_response = fgets( $socket, 22 );
 483
 484                 $responses = "/(200 OK)|(30[0-9] Moved)/";
 485                 if ( preg_match($responses, $http_response) ) {
 486                                 fclose($socket);
 487                                 return true;
 488                 } else {
 489                                 return false;
 490                 }
 491
 492         } // function url_validate
 493
 494         function check_feed_favicon($site_url, $feed, $link) {
 495                 $favicon_url = get_favicon_url($site_url);
 496
 497 #               print "FAVICON [$site_url]: $favicon_url\n";
 498
 499                 error_reporting(0);
 500
 501                 $icon_file = ICONS_DIR . "/$feed.ico";
 502
 503                 if ($favicon_url && !file_exists($icon_file)) {
 504                         $contents = fetch_file_contents($favicon_url);
 505
 506                         $fp = fopen($icon_file, "w");
 507
 508                         if ($fp) {
 509                                 fwrite($fp, $contents);
 510                                 fclose($fp);
 511                                 chmod($icon_file, 0644);
 512                         }
 513                 }
 514
 515                 error_reporting(DEFAULT_ERROR_LEVEL);
 516
 517         }
 518
 519         function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
 520
 521                 if (!$_GET["daemon"] && !$ignore_daemon) {
 522                         return false;
 523                 }
 524
 525                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 526                         _debug("update_rss_feed: start");
 527                 }
 528
 529                 if (!$ignore_daemon) {
 530
 531                         if (DB_TYPE == "pgsql") {
 532                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 533                                 } else {
 534                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 535                                 }
 536
 537                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 538                                 auth_pass,cache_images,update_method
 539                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 540
 541                 } else {
 542
 543                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 544                                 auth_pass,cache_images,update_method
 545                                 FROM ttrss_feeds WHERE id = '$feed'");
 546
 547                 }
 548
 549                 if (db_num_rows($result) == 0) {
 550                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 551                                 _debug("update_rss_feed: feed $feed [$feed_url] NOT FOUND/SKIPPED");
 552                         }
 553                         return false;
 554                 }
 555
 556                 $update_method = db_fetch_result($result, 0, "update_method");
 557
 558                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 559                         WHERE id = '$feed'");
 560
 561                 $auth_login = db_fetch_result($result, 0, "auth_login");
 562                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 563
 564                 if (ALLOW_SELECT_UPDATE_METHOD) {
 565                         if (ENABLE_SIMPLEPIE) {
 566                                 $use_simplepie = $update_method != 1;
 567                         } else {
 568                                 $use_simplepie = $update_method == 2;
 569                         }
 570                 } else {
 571                         $use_simplepie = ENABLE_SIMPLEPIE;
 572                 }
 573
 574                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 575                         _debug("use simplepie: $use_simplepie (feed setting: $update_method)\n");
 576                 }
 577
 578                 if (!$use_simplepie) {
 579                         $auth_login = urlencode($auth_login);
 580                         $auth_pass = urlencode($auth_pass);
 581                 }
 582
 583                 $update_interval = db_fetch_result($result, 0, "update_interval");
 584                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 585
 586                 if ($update_interval < 0) { return; }
 587
 588                 $feed = db_escape_string($feed);
 589
 590                 $fetch_url = $feed_url;
 591
 592                 if ($auth_login && $auth_pass) {
 593                         $url_parts = array();
 594                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 595
 596                         if ($url_parts[1] && $url_parts[2]) {
 597                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 598                         }
 599
 600                 }
 601
 602                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 603                         _debug("update_rss_feed: fetching [$fetch_url]...");
 604                 }
 605
 606                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_GET['xdebug']) {
 607                         error_reporting(0);
 608                 }
 609
 610                 if (!$use_simplepie) {
 611                         $rss = fetch_rss($fetch_url);
 612                 } else {
 613                         if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 614                                 mkdir(SIMPLEPIE_CACHE_DIR);
 615                         }
 616
 617                         $rss = new SimplePie();
 618                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
 619 #                       $rss->set_timeout(10);
 620                         $rss->set_feed_url($fetch_url);
 621                         $rss->set_output_encoding('UTF-8');
 622
 623                         if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 624                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 625                                         _debug("enabling image cache");
 626                                 }
 627
 628                                 $rss->set_image_handler('./image.php', 'i');
 629                         }
 630
 631                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 632                                 _debug("feed update interval (sec): " .
 633                                         get_feed_update_interval($link, $feed)*60);
 634                         }
 635
 636                         if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 637                                 $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 638                                 $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 639                         }
 640
 641                         $rss->init();
 642                 }
 643
 644 //              print_r($rss);
 645
 646                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 647                         _debug("update_rss_feed: fetch done, parsing...");
 648                 } else {
 649                         error_reporting (DEFAULT_ERROR_LEVEL);
 650                 }
 651
 652                 $feed = db_escape_string($feed);
 653
 654                 if ($use_simplepie) {
 655                         $fetch_ok = !$rss->error();
 656                 } else {
 657                         $fetch_ok = !!$rss;
 658                 }
 659
 660                 if ($fetch_ok) {
 661
 662                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 663                                 _debug("update_rss_feed: processing feed data...");
 664                         }
 665
 666 //                      db_query($link, "BEGIN");
 667
 668                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 669                                 FROM ttrss_feeds WHERE id = '$feed'");
 670
 671                         $registered_title = db_fetch_result($result, 0, "title");
 672                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 673                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 674
 675                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 676
 677                         if ($use_simplepie) {
 678                                 $site_url = $rss->get_link();
 679                         } else {
 680                                 $site_url = $rss->channel["link"];
 681                         }
 682
 683                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
 684                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 685                                         _debug("update_rss_feed: checking favicon...");
 686                                 }
 687
 688                                 check_feed_favicon($site_url, $feed, $link);
 689                         }
 690
 691                         if (!$registered_title || $registered_title == "[Unknown]") {
 692
 693                                 if ($use_simplepie) {
 694                                         $feed_title = db_escape_string($rss->get_title());
 695                                 } else {
 696                                         $feed_title = db_escape_string($rss->channel["title"]);
 697                                 }
 698
 699                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 700                                         _debug("update_rss_feed: registering title: $feed_title");
 701                                 }
 702
 703                                 db_query($link, "UPDATE ttrss_feeds SET
 704                                         title = '$feed_title' WHERE id = '$feed'");
 705                         }
 706
 707                         // weird, weird Magpie
 708                         if (!$use_simplepie) {
 709                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 710                         }
 711
 712                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 713                                 db_query($link, "UPDATE ttrss_feeds SET
 714                                         site_url = '$site_url' WHERE id = '$feed'");
 715                         }
 716
 717 //                      print "I: " . $rss->channel["image"]["url"];
 718
 719                         if (!$use_simplepie) {
 720                                 $icon_url = $rss->image["url"];
 721                         } else {
 722                                 $icon_url = $rss->get_image_url();
 723                         }
 724
 725                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
 726                                 $icon_url = db_escape_string($icon_url);
 727                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 728                         }
 729
 730                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 731                                 _debug("update_rss_feed: loading filters...");
 732                         }
 733
 734                         $filters = load_filters($link, $feed, $owner_uid);
 735
 736                         if ($use_simplepie) {
 737                                 $iterator = $rss->get_items();
 738                         } else {
 739                                 $iterator = $rss->items;
 740                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 741                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 742                         }
 743
 744                         if (!is_array($iterator)) {
 745                                 /* db_query($link, "UPDATE ttrss_feeds
 746                                         SET last_error = 'Parse error: can\'t find any articles.'
 747                                         WHERE id = '$feed'"); */
 748
 749                                 // clear any errors and mark feed as updated if fetched okay
 750                                 // even if it's blank
 751
 752                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 753                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 754                                 }
 755
 756                                 db_query($link, "UPDATE ttrss_feeds
 757                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 758
 759                                 return; // no articles
 760                         }
 761
 762                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 763                                 _debug("update_rss_feed: processing articles...");
 764                         }
 765
 766                         foreach ($iterator as $item) {
 767
 768                                 if ($_GET['xdebug']) {
 769                                         print_r($item);
 770
 771                                 }
 772
 773                                 if ($use_simplepie) {
 774                                         $entry_guid = $item->get_id();
 775                                         if (!$entry_guid) $entry_guid = $item->get_link();
 776                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 777
 778                                 } else {
 779
 780                                         $entry_guid = $item["id"];
 781
 782                                         if (!$entry_guid) $entry_guid = $item["guid"];
 783                                         if (!$entry_guid) $entry_guid = $item["link"];
 784                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 785                                 }
 786
 787                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 788                                         _debug("update_rss_feed: guid $entry_guid");
 789                                 }
 790
 791                                 if (!$entry_guid) continue;
 792
 793                                 $entry_timestamp = "";
 794
 795                                 if ($use_simplepie) {
 796                                         $entry_timestamp = strtotime($item->get_date());
 797                                 } else {
 798                                         $rss_2_date = $item['pubdate'];
 799                                         $rss_1_date = $item['dc']['date'];
 800                                         $atom_date = $item['issued'];
 801                                         if (!$atom_date) $atom_date = $item['updated'];
 802
 803                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 804                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 805                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 806                                 }
 807
 808                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 809                                         _debug("update_rss_feed: date $entry_timestamp");
 810                                 }
 811
 812                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 813                                         $entry_timestamp = time();
 814                                         $no_orig_date = 'true';
 815                                 } else {
 816                                         $no_orig_date = 'false';
 817                                 }
 818
 819                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 820
 821                                 if ($use_simplepie) {
 822                                         $entry_title = $item->get_title();
 823                                 } else {
 824                                         $entry_title = trim(strip_tags($item["title"]));
 825                                 }
 826
 827                                 if ($use_simplepie) {
 828                                         $entry_link = $item->get_link();
 829                                 } else {
 830                                         // strange Magpie workaround
 831                                         $entry_link = $item["link_"];
 832                                         if (!$entry_link) $entry_link = $item["link"];
 833                                 }
 834
 835                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 836                                         _debug("update_rss_feed: title $entry_title");
 837                                 }
 838
 839                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 840
 841                                 $entry_link = strip_tags($entry_link);
 842
 843                                 if ($use_simplepie) {
 844                                         $entry_content = $item->get_content();
 845                                         if (!$entry_content) $entry_content = $item->get_description();
 846                                 } else {
 847                                         $entry_content = $item["content:escaped"];
 848
 849                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 850                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 851                                         if (!$entry_content) $entry_content = $item["content"];
 852
 853                                         // Magpie bugs are getting ridiculous
 854                                         if (trim($entry_content) == "Array") $entry_content = false;
 855
 856                                         if (!$entry_content) $entry_content = $item["atom_content"];
 857                                         if (!$entry_content) $entry_content = $item["summary"];
 858
 859                                         if (!$entry_content ||
 860                                                 strlen($entry_content) < strlen($item["description"])) {
 861                                                         $entry_content = $item["description"];
 862                                         };
 863
 864                                         // WTF
 865                                         if (is_array($entry_content)) {
 866                                                 $entry_content = $entry_content["encoded"];
 867                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 868                                         }
 869                                 }
 870
 871                                 if ($_GET["xdebug"]) {
 872                                         print "update_rss_feed: content: ";
 873                                         print_r(htmlspecialchars($entry_content));
 874                                 }
 875
 876                                 $entry_content_unescaped = $entry_content;
 877
 878                                 if ($use_simplepie) {
 879                                         $entry_comments = strip_tags($item->data["comments"]);
 880                                         if ($item->get_author()) {
 881                                                 $entry_author_item = $item->get_author();
 882                                                 $entry_author = $entry_author_item->get_name();
 883                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 884
 885                                                 $entry_author = db_escape_string($entry_author);
 886                                         }
 887                                 } else {
 888                                         $entry_comments = strip_tags($item["comments"]);
 889
 890                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 891
 892                                         if ($item['author']) {
 893
 894                                                 if (is_array($item['author'])) {
 895
 896                                                         if (!$entry_author) {
 897                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 898                                                         }
 899
 900                                                         if (!$entry_author) {
 901                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 902                                                         }
 903                                                 }
 904
 905                                                 if (!$entry_author) {
 906                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 907                                                 }
 908                                         }
 909                                 }
 910
 911                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 912
 913                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 914                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 915
 916                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 917                                         WHERE guid = '$entry_guid'");
 918
 919                                 $entry_content = db_escape_string($entry_content);
 920
 921                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 922
 923                                 $entry_title = db_escape_string($entry_title);
 924                                 $entry_link = db_escape_string($entry_link);
 925                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 926                                 $entry_author = mb_substr($entry_author, 0, 250);
 927
 928                                 if ($use_simplepie) {
 929                                         $num_comments = 0; #FIXME#
 930                                 } else {
 931                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 932                                 }
 933
 934                                 if (!$num_comments) $num_comments = 0;
 935
 936                                 // parse <category> entries into tags
 937
 938                                 if ($use_simplepie) {
 939
 940                                         $additional_tags = array();
 941                                         $additional_tags_src = $item->get_categories();
 942
 943                                         if (is_array($additional_tags_src)) {
 944                                                 foreach ($additional_tags_src as $tobj) {
 945                                                         array_push($additional_tags, $tobj->get_term());
 946                                                 }
 947                                         }
 948
 949                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 950                                                 _debug("update_rss_feed: category tags:");
 951                                                 print_r($additional_tags);
 952                                         }
 953
 954                                 } else {
 955
 956                                         $t_ctr = $item['category#'];
 957
 958                                         $additional_tags = false;
 959
 960                                         if ($t_ctr == 0) {
 961                                                 $additional_tags = false;
 962                                         } else if ($t_ctr > 0) {
 963                                                 $additional_tags = array($item['category']);
 964
 965                                                 if ($item['category@term']) {
 966                                                         array_push($additional_tags, $item['category@term']);
 967                                                 }
 968
 969                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 970                                                         if ($item["category#$i"]) {
 971                                                                 array_push($additional_tags, $item["category#$i"]);
 972                                                         }
 973
 974                                                         if ($item["category#$i@term"]) {
 975                                                                 array_push($additional_tags, $item["category#$i@term"]);
 976                                                         }
 977                                                 }
 978                                         }
 979
 980                                         // parse <dc:subject> elements
 981
 982                                         $t_ctr = $item['dc']['subject#'];
 983
 984                                         if ($t_ctr > 0) {
 985                                                 $additional_tags = array($item['dc']['subject']);
 986
 987                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 988                                                         if ($item['dc']["subject#$i"]) {
 989                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
 990                                                         }
 991                                                 }
 992                                         }
 993                                 }
 994
 995                                 // enclosures
 996
 997                                 $enclosures = array();
 998
 999                                 if ($use_simplepie) {
1000                                         $encs = $item->get_enclosures();
1001
1002                                         if (is_array($encs)) {
1003                                                 foreach ($encs as $e) {
1004                                                         $e_item = array(
1005                                                                 $e->link, $e->type, $e->length);
1006
1007                                                         array_push($enclosures, $e_item);
1008                                                 }
1009                                         }
1010
1011                                 } else {
1012                                         // <enclosure>
1013
1014                                         $e_ctr = $item['enclosure#'];
1015
1016                                         if ($e_ctr > 0) {
1017                                                 $e_item = array($item['enclosure@url'],
1018                                                         $item['enclosure@type'],
1019                                                         $item['enclosure@length']);
1020
1021                                                 array_push($enclosures, $e_item);
1022
1023                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1024
1025                                                         if ($item["enclosure#$i@url"]) {
1026                                                                 $e_item = array($item["enclosure#$i@url"],
1027                                                                         $item["enclosure#$i@type"],
1028                                                                         $item["enclosure#$i@length"]);
1029                                                                 array_push($enclosures, $e_item);
1030                                                         }
1031                                                 }
1032                                         }
1033
1034                                         // <media:content>
1035                                         // can there be many of those? -fox
1036
1037                                         $m_ctr = $item['media']['content#'];
1038
1039                                         if ($m_ctr > 0) {
1040                                                 $e_item = array($item['media']['content@url'],
1041                                                         $item['media']['content@medium'],
1042                                                         $item['media']['content@length']);
1043
1044                                                 array_push($enclosures, $e_item);
1045                                         }
1046
1047                                         // FIXME: parse more of those, if needed.
1048                                 }
1049
1050                                 # sanitize content
1051
1052                                 $entry_content = sanitize_article_content($entry_content);
1053                                 $entry_title = sanitize_article_content($entry_title);
1054
1055                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1056                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1057                                 }
1058
1059                                 db_query($link, "BEGIN");
1060
1061                                 if (db_num_rows($result) == 0) {
1062
1063                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1064                                                 _debug("update_rss_feed: base guid not found");
1065                                         }
1066
1067                                         // base post entry does not exist, create it
1068
1069                                         $result = db_query($link,
1070                                                 "INSERT INTO ttrss_entries
1071                                                         (title,
1072                                                         guid,
1073                                                         link,
1074                                                         updated,
1075                                                         content,
1076                                                         content_hash,
1077                                                         no_orig_date,
1078                                                         date_entered,
1079                                                         comments,
1080                                                         num_comments,
1081                                                         author)
1082                                                 VALUES
1083                                                         ('$entry_title',
1084                                                         '$entry_guid',
1085                                                         '$entry_link',
1086                                                         '$entry_timestamp_fmt',
1087                                                         '$entry_content',
1088                                                         '$content_hash',
1089                                                         $no_orig_date,
1090                                                         NOW(),
1091                                                         '$entry_comments',
1092                                                         '$num_comments',
1093                                                         '$entry_author')");
1094                                 } else {
1095                                         // we keep encountering the entry in feeds, so we need to
1096                                         // update date_entered column so that we don't get horrible
1097                                         // dupes when the entry gets purged and reinserted again e.g.
1098                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1099
1100                                         $base_entry_id = db_fetch_result($result, 0, "id");
1101
1102                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
1103                                                 WHERE id = '$base_entry_id'");
1104                                 }
1105
1106                                 // now it should exist, if not - bad luck then
1107
1108                                 $result = db_query($link, "SELECT
1109                                                 id,content_hash,no_orig_date,title,
1110                                                 ".SUBSTRING_FOR_DATE."(date_entered,1,19) as date_entered,
1111                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1112                                                 num_comments
1113                                         FROM
1114                                                 ttrss_entries
1115                                         WHERE guid = '$entry_guid'");
1116
1117                                 $entry_ref_id = 0;
1118                                 $entry_int_id = 0;
1119
1120                                 if (db_num_rows($result) == 1) {
1121
1122                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1123                                                 _debug("update_rss_feed: base guid found, checking for user record");
1124                                         }
1125
1126                                         // this will be used below in update handler
1127                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1128                                         $orig_title = db_fetch_result($result, 0, "title");
1129                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1130                                         $orig_date_entered = strtotime(db_fetch_result($result,
1131                                                 0, "date_entered"));
1132
1133                                         $ref_id = db_fetch_result($result, 0, "id");
1134                                         $entry_ref_id = $ref_id;
1135
1136                                         // check for user post link to main table
1137
1138                                         // do we allow duplicate posts with same GUID in different feeds?
1139                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1140                                                 $dupcheck_qpart = "AND feed_id = '$feed'";
1141                                         } else {
1142                                                 $dupcheck_qpart = "";
1143                                         }
1144
1145 //                                      error_reporting(0);
1146
1147                                         $article_filters = get_article_filters($filters, $entry_title,
1148                                                         $entry_content, $entry_link);
1149
1150                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1151                                                 _debug("update_rss_feed: article filters: ");
1152                                                 if (count($article_filters) != 0) {
1153                                                         print_r($article_filters);
1154                                                 }
1155                                         }
1156
1157                                         if (find_article_filter($article_filters, "filter")) {
1158                                                 db_query($link, "COMMIT"); // close transaction in progress
1159                                                 continue;
1160                                         }
1161
1162 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
1163
1164                                         $score = calculate_article_score($article_filters);
1165
1166                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1167                                                 _debug("update_rss_feed: initial score: $score");
1168                                         }
1169
1170                                         $result = db_query($link,
1171                                                 "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1172                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1173                                                         $dupcheck_qpart");
1174
1175                                         // okay it doesn't exist - create user entry
1176                                         if (db_num_rows($result) == 0) {
1177
1178                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1179                                                         _debug("update_rss_feed: user record not found, creating...");
1180                                                 }
1181
1182                                                 if ($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)
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                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1219                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1220                                         }
1221
1222                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1223                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1224                                         }
1225
1226                                         $post_needs_update = false;
1227
1228                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1229                                                 ($content_hash != $orig_content_hash)) {
1230 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1231                                                 $post_needs_update = true;
1232                                         }
1233
1234                                         if (db_escape_string($orig_title) != $entry_title) {
1235                                                 $post_needs_update = true;
1236                                         }
1237
1238                                         if ($orig_num_comments != $num_comments) {
1239                                                 $post_needs_update = true;
1240                                         }
1241
1242 //                                      this doesn't seem to be very reliable
1243 //
1244 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1245 //                                              $post_needs_update = true;
1246 //                                      }
1247
1248                                         // if post needs update, update it and mark all user entries
1249                                         // linking to this post as updated
1250                                         if ($post_needs_update) {
1251
1252                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1253                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1254                                                 }
1255
1256 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1257
1258                                                 db_query($link, "UPDATE ttrss_entries
1259                                                         SET title = '$entry_title', content = '$entry_content',
1260                                                                 content_hash = '$content_hash',
1261                                                                 num_comments = '$num_comments'
1262                                                         WHERE id = '$ref_id'");
1263
1264                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1265                                                         db_query($link, "UPDATE ttrss_user_entries
1266                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1267                                                 } else {
1268                                                         db_query($link, "UPDATE ttrss_user_entries
1269                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1270                                                 }
1271
1272                                         }
1273                                 }
1274
1275                                 db_query($link, "COMMIT");
1276
1277                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1278                                         _debug("update_rss_feed: looking for enclosures...");
1279                                 }
1280
1281                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1282                                         print_r($enclosures);
1283                                 }
1284
1285                                 db_query($link, "BEGIN");
1286
1287                                 foreach ($enclosures as $enc) {
1288                                         $enc_url = db_escape_string($enc[0]);
1289                                         $enc_type = db_escape_string($enc[1]);
1290                                         $enc_dur = db_escape_string($enc[2]);
1291
1292                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1293                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1294
1295                                         if (db_num_rows($result) == 0) {
1296                                                 db_query($link, "INSERT INTO ttrss_enclosures
1297                                                         (content_url, content_type, title, duration, post_id) VALUES
1298                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1299                                         }
1300                                 }
1301
1302                                 db_query($link, "COMMIT");
1303
1304                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1305                                         _debug("update_rss_feed: looking for tags...");
1306                                 }
1307
1308                                 /* taaaags */
1309                                 // <a href="..." rel="tag">Xorg</a>, //
1310
1311                                 $entry_tags = null;
1312
1313                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
1314                                         $entry_content_unescaped, $entry_tags);
1315
1316 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1317                                 print_r($entry_tags);
1318                                 print "<br/></p>"; */
1319
1320                                 $entry_tags = $entry_tags[1];
1321
1322                                 # check for manual tags
1323
1324                                 $tag_filter = find_article_filter($article_filters, "tag");
1325
1326                                 if ($tag_filter) {
1327
1328                                         $manual_tags = trim_array(split(",", $tag_filter[1]));
1329
1330                                         foreach ($manual_tags as $tag) {
1331                                                 if (tag_is_valid($tag)) {
1332                                                         array_push($entry_tags, $tag);
1333                                                 }
1334                                         }
1335                                 }
1336
1337                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1338                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1339
1340                                 if ($additional_tags && is_array($additional_tags)) {
1341                                         foreach ($additional_tags as $tag) {
1342                                                 if (tag_is_valid($tag) &&
1343                                                                 array_search($tag, $boring_tags) === FALSE) {
1344                                                         array_push($entry_tags, $tag);
1345                                                 }
1346                                         }
1347                                 }
1348
1349 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1350
1351                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1352                                         print_r($entry_tags);
1353                                 }
1354
1355                                 if (count($entry_tags) > 0) {
1356
1357                                         db_query($link, "BEGIN");
1358
1359                                                 foreach ($entry_tags as $tag) {
1360
1361                                                         $tag = sanitize_tag($tag);
1362                                                         $tag = db_escape_string($tag);
1363
1364                                                         if (!tag_is_valid($tag)) continue;
1365
1366                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
1367                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1368                                                                 owner_uid = '$owner_uid' LIMIT 1");
1369
1370         //                                              print db_fetch_result($result, 0, "id");
1371
1372                                                         if ($result && db_num_rows($result) == 0) {
1373
1374                                                                 db_query($link, "INSERT INTO ttrss_tags
1375                                                                         (owner_uid,tag_name,post_int_id)
1376                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1377                                                         }
1378                                                 }
1379
1380                                         db_query($link, "COMMIT");
1381                                 }
1382
1383                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1384                                         _debug("update_rss_feed: article processed");
1385                                 }
1386                         }
1387
1388                         db_query($link, "UPDATE ttrss_feeds
1389                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1390
1391 //                      db_query($link, "COMMIT");
1392
1393                 } else {
1394
1395                         if ($use_simplepie) {
1396                                 $error_msg = mb_substr($rss->error(), 0, 250);
1397                         } else {
1398                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1399                         }
1400
1401                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1402                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1403                         }
1404
1405                         $error_msg = db_escape_string($error_msg);
1406
1407                         db_query($link,
1408                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1409                                         last_updated = NOW() WHERE id = '$feed'");
1410                 }
1411
1412                 if ($use_simplepie) {
1413                         unset($rss);
1414                 }
1415
1416                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1417                         _debug("update_rss_feed: done");
1418                 }
1419
1420         }
1421
1422         function print_select($id, $default, $values, $attributes = "") {
1423                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1424                 foreach ($values as $v) {
1425                         if ($v == $default)
1426                                 $sel = " selected";
1427                          else
1428                                 $sel = "";
1429
1430                         print "<option$sel>$v</option>";
1431                 }
1432                 print "</select>";
1433         }
1434
1435         function print_select_hash($id, $default, $values, $attributes = "") {
1436                 print "<select name=\"$id\" id='$id' $attributes>";
1437                 foreach (array_keys($values) as $v) {
1438                         if ($v == $default)
1439                                 $sel = "selected";
1440                          else
1441                                 $sel = "";
1442
1443                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1444                 }
1445
1446                 print "</select>";
1447         }
1448
1449         function get_article_filters($filters, $title, $content, $link) {
1450                 $matches = array();
1451
1452                 if ($filters["title"]) {
1453                         foreach ($filters["title"] as $filter) {
1454                                 $reg_exp = $filter["reg_exp"];
1455                                 $inverse = $filter["inverse"];
1456                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
1457                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1458
1459                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1460                                 }
1461                         }
1462                 }
1463
1464                 if ($filters["content"]) {
1465                         foreach ($filters["content"] as $filter) {
1466                                 $reg_exp = $filter["reg_exp"];
1467                                 $inverse = $filter["inverse"];
1468
1469                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
1470                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1471
1472                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1473                                 }
1474                         }
1475                 }
1476
1477                 if ($filters["both"]) {
1478                         foreach ($filters["both"] as $filter) {
1479                                 $reg_exp = $filter["reg_exp"];
1480                                 $inverse = $filter["inverse"];
1481
1482                                 if ($inverse) {
1483                                         if (!preg_match("/$reg_exp/i", $title) || !preg_match("/$reg_exp/i", $content)) {
1484                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1485                                         }
1486                                 } else {
1487                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1488                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1489                                         }
1490                                 }
1491                         }
1492                 }
1493
1494                 if ($filters["link"]) {
1495                         $reg_exp = $filter["reg_exp"];
1496                         foreach ($filters["link"] as $filter) {
1497                                 $reg_exp = $filter["reg_exp"];
1498                                 $inverse = $filter["inverse"];
1499
1500                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1501                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1502
1503                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1504                                 }
1505                         }
1506                 }
1507
1508                 return $matches;
1509         }
1510
1511         function find_article_filter($filters, $filter_name) {
1512                 foreach ($filters as $f) {
1513                         if ($f[0] == $filter_name) {
1514                                 return $f;
1515                         };
1516                 }
1517                 return false;
1518         }
1519
1520         function calculate_article_score($filters) {
1521                 $score = 0;
1522
1523                 foreach ($filters as $f) {
1524                         if ($f[0] == "score") {
1525                                 $score += $f[1];
1526                         };
1527                 }
1528                 return $score;
1529         }
1530
1531
1532         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1533                 $rtl_content = false, $last_updated = false, $last_error = false) {
1534
1535                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1536                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1537                 } else {
1538                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1539                 }
1540
1541                 if ($rtl_content) {
1542                         $rtl_tag = "dir=\"rtl\"";
1543                 } else {
1544                         $rtl_tag = "dir=\"ltr\"";
1545                 }
1546
1547                 $error_notify_msg = "";
1548
1549                 if ($last_error) {
1550                         $link_title = "Error: $last_error ($last_updated)";
1551                         $error_notify_msg = "(Error)";
1552                 } else if ($last_updated) {
1553                         $link_title = "Updated: $last_updated";
1554                 }
1555
1556                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\"
1557                         href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
1558
1559                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1560                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1561                         print "$feed_icon";
1562                 }
1563
1564                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1565
1566                 if ($unread != 0) {
1567                         $fctr_class = "class=\"feedCtrHasUnread\"";
1568                 } else {
1569                         $fctr_class = "class=\"feedCtrNoUnread\"";
1570                 }
1571
1572                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1573                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1574
1575                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1576                         $total = getFeedArticles($link, $feed_id);
1577                         print "<div class=\"feedExtInfo\">
1578                                 <span id=\"FLUPD-$feed_id\">$last_updated ($total total) $error_notify_msg</span></div>";
1579                 }
1580
1581                 print "</li>";
1582
1583         }
1584
1585         function getmicrotime() {
1586                 list($usec, $sec) = explode(" ",microtime());
1587                 return ((float)$usec + (float)$sec);
1588         }
1589
1590         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1591                 foreach ($values as $v) {
1592
1593                         if ($v == $default)
1594                                 $sel = "checked";
1595                          else
1596                                 $sel = "";
1597
1598                         if ($v == $true_is) {
1599                                 $sel .= " value=\"1\"";
1600                         } else {
1601                                 $sel .= " value=\"0\"";
1602                         }
1603
1604                         print "<input class=\"noborder\"
1605                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1606
1607                 }
1608         }
1609
1610         function initialize_user_prefs($link, $uid) {
1611
1612                 $uid = db_escape_string($uid);
1613
1614                 db_query($link, "BEGIN");
1615
1616                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1617
1618                 $u_result = db_query($link, "SELECT pref_name
1619                         FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
1620
1621                 $active_prefs = array();
1622
1623                 while ($line = db_fetch_assoc($u_result)) {
1624                         array_push($active_prefs, $line["pref_name"]);
1625                 }
1626
1627                 while ($line = db_fetch_assoc($result)) {
1628                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1629 //                              print "adding " . $line["pref_name"] . "<br>";
1630
1631                                 db_query($link, "INSERT INTO ttrss_user_prefs
1632                                         (owner_uid,pref_name,value) VALUES
1633                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1634
1635                         }
1636                 }
1637
1638                 db_query($link, "COMMIT");
1639
1640         }
1641
1642         function lookup_user_id($link, $user) {
1643
1644                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1645                         login = '$login'");
1646
1647                 if (db_num_rows($result) == 1) {
1648                         return db_fetch_result($result, 0, "id");
1649                 } else {
1650                         return false;
1651                 }
1652         }
1653
1654         function http_authenticate_user($link) {
1655
1656                 error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1657
1658                 if (!$_SERVER["PHP_AUTH_USER"]) {
1659
1660                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1661                         header('HTTP/1.0 401 Unauthorized');
1662                         exit;
1663
1664                 } else {
1665                         $auth_result = authenticate_user($link,
1666                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1667
1668                         if (!$auth_result) {
1669                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1670                                 header('HTTP/1.0 401 Unauthorized');
1671                                 exit;
1672                         }
1673                 }
1674
1675                 return true;
1676         }
1677
1678         function authenticate_user($link, $login, $password, $force_auth = false) {
1679
1680                 if (!SINGLE_USER_MODE) {
1681
1682                         $pwd_hash1 = encrypt_password($password);
1683                         $pwd_hash2 = encrypt_password($password, $login);
1684
1685                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1686                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1687
1688                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1689
1690                                 $query = "SELECT id,login,access_level,pwd_hash
1691                     FROM ttrss_users WHERE
1692                                         login = '$login'";
1693
1694                         } else {
1695                                 $query = "SELECT id,login,access_level,pwd_hash
1696                     FROM ttrss_users WHERE
1697                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1698                                                 pwd_hash = '$pwd_hash2')";
1699                         }
1700
1701                         $result = db_query($link, $query);
1702
1703                         if (db_num_rows($result) == 1) {
1704                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1705                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1706                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1707
1708                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1709                                         $_SESSION["uid"]);
1710
1711                                 $user_theme = get_user_theme_path($link);
1712
1713                                 $_SESSION["theme"] = $user_theme;
1714                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1715                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1716
1717                                 initialize_user_prefs($link, $_SESSION["uid"]);
1718
1719                                 return true;
1720                         }
1721
1722                         return false;
1723
1724                 } else {
1725
1726                         $_SESSION["uid"] = 1;
1727                         $_SESSION["name"] = "admin";
1728
1729                         $user_theme = get_user_theme_path($link);
1730
1731                         $_SESSION["theme"] = $user_theme;
1732                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1733
1734                         initialize_user_prefs($link, $_SESSION["uid"]);
1735
1736                         return true;
1737                 }
1738         }
1739
1740         function make_password($length = 8) {
1741
1742                 $password = "";
1743                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1744
1745         $i = 0;
1746
1747                 while ($i < $length) {
1748                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1749
1750                         if (!strstr($password, $char)) {
1751                                 $password .= $char;
1752                                 $i++;
1753                         }
1754                 }
1755                 return $password;
1756         }
1757
1758         // this is called after user is created to initialize default feeds, labels
1759         // or whatever else
1760
1761         // user preferences are checked on every login, not here
1762
1763         function initialize_user($link, $uid) {
1764
1765                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1766                         values ('$uid','unread = true', 'Unread articles')");
1767
1768                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1769                         values ('$uid','last_read is null and unread = false', 'Updated articles')");
1770
1771                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1772                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1773                         'http://tt-rss.spb.ru/releases.rss')");
1774
1775                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1776                         values ('$uid', 'Tiny Tiny RSS: Forum',
1777                         'http://tt-rss.spb.ru/forum/rss.php')");
1778         }
1779
1780         function logout_user() {
1781                 session_destroy();
1782                 if (isset($_COOKIE[session_name()])) {
1783                    setcookie(session_name(), '', time()-42000, '/');
1784                 }
1785         }
1786
1787         function get_script_urlpath() {
1788                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1789         }
1790
1791         function validate_session($link) {
1792                 if (SINGLE_USER_MODE) {
1793                         return true;
1794                 }
1795
1796                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1797                         if ($_SESSION["ip_address"]) {
1798                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1799                                         $_SESSION["login_error_msg"] = "Session failed to validate (incorrect IP)";
1800                                         return false;
1801                                 }
1802                         }
1803                 }
1804
1805                 if ($_SESSION["uid"]) {
1806
1807                         $result = db_query($link,
1808                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1809
1810                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1811
1812                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1813                                 return false;
1814                         }
1815                 }
1816
1817 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1818
1819                         //print_r($_SESSION);
1820
1821                         if (time() > $_SESSION["cookie_lifetime"]) {
1822                                 return false;
1823                         }
1824                 } */
1825
1826                 return true;
1827         }
1828
1829         function login_sequence($link, $mobile = false) {
1830                 if (!SINGLE_USER_MODE) {
1831
1832                         if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1833                                 $swu = db_escape_string($_REQUEST["swu"]);
1834                                 if ($swu) {
1835                                         $_SESSION["prefs_cache"] = false;
1836                                         return authenticate_user($link, $swu, null, true);
1837                                 }
1838                         }
1839
1840                         $login_action = $_POST["login_action"];
1841
1842                         # try to authenticate user if called from login form
1843                         if ($login_action == "do_login") {
1844                                 $login = $_POST["login"];
1845                                 $password = $_POST["password"];
1846                                 $remember_me = $_POST["remember_me"];
1847
1848                                 if (authenticate_user($link, $login, $password)) {
1849                                         $_POST["password"] = "";
1850
1851                                         $_SESSION["language"] = $_POST["language"];
1852                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
1853
1854                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1855                                         exit;
1856
1857                                         return;
1858                                 } else {
1859                                         $_SESSION["login_error_msg"] = "Incorrect username or password";
1860                                 }
1861                         }
1862
1863 //                      print session_id();
1864 //                      print_r($_SESSION);
1865
1866                         if (!$_SESSION["uid"] || !validate_session($link)) {
1867                                 render_login_form($link, $mobile);
1868                                 exit;
1869                         } else {
1870                                 /* bump login timestamp */
1871                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1872                                         $_SESSION["uid"]);
1873
1874                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1875                                         setcookie("ttrss_lang", $_SESSION["language"],
1876                                                 time() + SESSION_COOKIE_LIFETIME);
1877                                 }
1878
1879                                 /* bump counters stamp since we're getting reloaded anyway */
1880
1881                                 $_SESSION["get_all_counters_stamp"] = time();
1882                         }
1883
1884                 } else {
1885                         return authenticate_user($link, "admin", null);
1886                 }
1887         }
1888
1889         function truncate_string($str, $max_len) {
1890                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1891                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
1892                 } else {
1893                         return $str;
1894                 }
1895         }
1896
1897         function get_user_theme_path($link) {
1898                 $result = db_query($link, "SELECT theme_path
1899                         FROM
1900                                 ttrss_themes,ttrss_users
1901                         WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1902                 if (db_num_rows($result) != 0) {
1903                         return db_fetch_result($result, 0, "theme_path");
1904                 } else {
1905                         return null;
1906                 }
1907         }
1908
1909         function smart_date_time($timestamp) {
1910                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1911                         return date("G:i", $timestamp);
1912                 } else if (date("Y", $timestamp) == date("Y")) {
1913                         return date("M d, G:i", $timestamp);
1914                 } else {
1915                         return date("Y/m/d, G:i", $timestamp);
1916                 }
1917         }
1918
1919         function smart_date($timestamp) {
1920                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1921                         return "Today";
1922                 } else if (date("Y", $timestamp) == date("Y")) {
1923                         return date("D m", $timestamp);
1924                 } else {
1925                         return date("Y/m/d", $timestamp);
1926                 }
1927         }
1928
1929         function sql_bool_to_string($s) {
1930                 if ($s == "t" || $s == "1") {
1931                         return "true";
1932                 } else {
1933                         return "false";
1934                 }
1935         }
1936
1937         function sql_bool_to_bool($s) {
1938                 if ($s == "t" || $s == "1") {
1939                         return true;
1940                 } else {
1941                         return false;
1942                 }
1943         }
1944
1945
1946         function toggleEvenOdd($a) {
1947                 if ($a == "even")
1948                         return "odd";
1949                 else
1950                         return "even";
1951         }
1952
1953         function sanity_check($link) {
1954
1955                 error_reporting(0);
1956
1957                 $error_code = 0;
1958                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
1959                 $schema_version = db_fetch_result($result, 0, "schema_version");
1960
1961                 if ($schema_version != SCHEMA_VERSION) {
1962                         $error_code = 5;
1963                 }
1964
1965                 if (DB_TYPE == "mysql") {
1966                         $result = db_query($link, "SELECT true", false);
1967                         if (db_num_rows($result) != 1) {
1968                                 $error_code = 10;
1969                         }
1970                 }
1971
1972                 error_reporting (DEFAULT_ERROR_LEVEL);
1973
1974                 if ($error_code != 0) {
1975                         print_error_xml($error_code);
1976                         return false;
1977                 } else {
1978                         return true;
1979                 }
1980         }
1981
1982         function file_is_locked($filename) {
1983                 if (function_exists('flock')) {
1984                         error_reporting(0);
1985                         $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
1986                         error_reporting(DEFAULT_ERROR_LEVEL);
1987                         if ($fp) {
1988                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1989                                         flock($fp, LOCK_UN);
1990                                         fclose($fp);
1991                                         return false;
1992                                 }
1993                                 fclose($fp);
1994                                 return true;
1995                         } else {
1996                                 return false;
1997                         }
1998                 }
1999                 return true; // consider the file always locked and skip the test
2000         }
2001
2002         function make_lockfile($filename) {
2003                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2004
2005                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2006                         return $fp;
2007                 } else {
2008                         return false;
2009                 }
2010         }
2011
2012         function make_stampfile($filename) {
2013                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2014
2015                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2016                         fwrite($fp, time() . "\n");
2017                         flock($fp, LOCK_UN);
2018                         fclose($fp);
2019                         return true;
2020                 } else {
2021                         return false;
2022                 }
2023         }
2024
2025         function read_stampfile($filename) {
2026
2027                 error_reporting(0);
2028                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2029                 error_reporting (DEFAULT_ERROR_LEVEL);
2030
2031                 if ($fp) {
2032                         if (flock($fp, LOCK_EX)) {
2033                                 $stamp = fgets($fp);
2034                                 flock($fp, LOCK_UN);
2035                                 fclose($fp);
2036                                 return $stamp;
2037                         } else {
2038                                 return false;
2039                         }
2040                 } else {
2041                         return false;
2042                 }
2043         }
2044
2045         function sql_random_function() {
2046                 if (DB_TYPE == "mysql") {
2047                         return "RAND()";
2048                 } else {
2049                         return "RANDOM()";
2050                 }
2051         }
2052
2053         function catchup_feed($link, $feed, $cat_view) {
2054
2055                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2056
2057                                 if ($cat_view) {
2058
2059                                         if ($feed > 0) {
2060                                                 $cat_qpart = "cat_id = '$feed'";
2061                                         } else {
2062                                                 $cat_qpart = "cat_id IS NULL";
2063                                         }
2064
2065                                         $tmp_result = db_query($link, "SELECT id
2066                                                 FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " .
2067                                                 $_SESSION["uid"]);
2068
2069                                         while ($tmp_line = db_fetch_assoc($tmp_result)) {
2070
2071                                                 $tmp_feed = $tmp_line["id"];
2072
2073                                                 db_query($link, "UPDATE ttrss_user_entries
2074                                                         SET unread = false,last_read = NOW()
2075                                                         WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
2076                                         }
2077
2078                                 } else if ($feed > 0) {
2079
2080                                         $tmp_result = db_query($link, "SELECT id
2081                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2082                                                 ORDER BY cat_id,title");
2083
2084                                         $parent_ids = array();
2085
2086                                         if (db_num_rows($tmp_result) > 0) {
2087                                                 while ($p = db_fetch_assoc($tmp_result)) {
2088                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2089                                                 }
2090
2091                                                 $children_qpart = implode(" OR ", $parent_ids);
2092
2093                                                 db_query($link, "UPDATE ttrss_user_entries
2094                                                         SET unread = false,last_read = NOW()
2095                                                         WHERE (feed_id = '$feed' OR $children_qpart)
2096                                                         AND owner_uid = " . $_SESSION["uid"]);
2097
2098                                         } else {
2099                                                 db_query($link, "UPDATE ttrss_user_entries
2100                                                         SET unread = false,last_read = NOW()
2101                                                         WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
2102                                         }
2103
2104                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2105
2106                                         if ($feed == -1) {
2107                                                 db_query($link, "UPDATE ttrss_user_entries
2108                                                         SET unread = false,last_read = NOW()
2109                                                         WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
2110                                         }
2111
2112                                         if ($feed == -2) {
2113                                                 db_query($link, "UPDATE ttrss_user_entries
2114                                                         SET unread = false,last_read = NOW()
2115                                                         WHERE published = true AND owner_uid = ".$_SESSION["uid"]);
2116                                         }
2117
2118                                         if ($feed == -3) {
2119
2120                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2121
2122                                                 if (DB_TYPE == "pgsql") {
2123                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2124                                                 } else {
2125                                                         $match_part = "updated > DATE_SUB(NOW(),
2126                                                                 INTERVAL $intl HOUR) ";
2127                                                 }
2128
2129                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2130                                                         ttrss_user_entries WHERE $match_part AND
2131                                                         unread = true AND
2132                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2133                                                         owner_uid = ".$_SESSION["uid"]);
2134
2135                                                 $affected_ids = array();
2136
2137                                                 while ($line = db_fetch_assoc($result)) {
2138                                                         array_push($affected_ids, $line["id"]);
2139                                                 }
2140
2141                                                 catchupArticlesById($link, $affected_ids, 0);
2142                                         }
2143
2144                                 } else if ($feed < -10) { // label
2145
2146                                         // TODO make this more efficient
2147
2148                                         $label_id = -$feed - 11;
2149
2150                                         $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
2151                                                 WHERE id = '$label_id'");
2152
2153                                         if ($tmp_result) {
2154                                                 $sql_exp = db_fetch_result($tmp_result, 0, "sql_exp");
2155
2156                                                 db_query($link, "BEGIN");
2157
2158                                                 $tmp2_result = db_query($link,
2159                                                         "SELECT
2160                                                                 int_id
2161                                                         FROM
2162                                                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
2163                                                         WHERE
2164                                                                 ref_id = ttrss_entries.id AND
2165                                                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2166                                                                 $sql_exp AND
2167                                                                 ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
2168
2169                                                 while ($tmp_line = db_fetch_assoc($tmp2_result)) {
2170                                                         db_query($link, "UPDATE
2171                                                                 ttrss_user_entries
2172                                                         SET
2173                                                                 unread = false, last_read = NOW()
2174                                                         WHERE
2175                                                                 int_id = " . $tmp_line["int_id"]);
2176                                                 }
2177
2178                                                 db_query($link, "COMMIT");
2179
2180 /*                                              db_query($link, "UPDATE ttrss_user_entries,ttrss_entries
2181                                                         SET unread = false,last_read = NOW()
2182                                                         WHERE $sql_exp
2183                                                         AND ref_id = id
2184                                                         AND owner_uid = ".$_SESSION["uid"]); */
2185                                         }
2186                                 }
2187                         } else { // tag
2188                                 db_query($link, "BEGIN");
2189
2190                                 $tag_name = db_escape_string($feed);
2191
2192                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2193                                         WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
2194
2195                                 while ($line = db_fetch_assoc($result)) {
2196                                         db_query($link, "UPDATE ttrss_user_entries SET
2197                                                 unread = false, last_read = NOW()
2198                                                 WHERE int_id = " . $line["post_int_id"]);
2199                                 }
2200                                 db_query($link, "COMMIT");
2201                         }
2202         }
2203
2204         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2205                         if ($cat_view) {
2206
2207                                 if ($feed > 0) {
2208                                         $cat_qpart = "cat_id = '$feed'";
2209                                 } else {
2210                                         $cat_qpart = "cat_id IS NULL";
2211                                 }
2212
2213                                 $tmp_result = db_query($link, "SELECT id,feed_url FROM ttrss_feeds
2214                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2215
2216                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2217                                         $feed_url = $tmp_line["feed_url"];
2218                                         $feed_id = $tmp_line["id"];
2219                                         update_rss_feed($link, $feed_url, $feed_id, $force_update);
2220                                 }
2221
2222                         } else {
2223                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
2224                                         WHERE id = '$feed'");
2225                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
2226                                 update_rss_feed($link, $feed_url, $feed, $force_update);
2227                         }
2228         }
2229
2230         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2231
2232                 /* getting all counters is a resource intensive operation, so we
2233                  * rate limit it a little bit */
2234
2235
2236
2237                 if (get_pref($link, "SYNC_COUNTERS") ||
2238                                 time() - $_SESSION["get_all_counters_stamp"] > 5) {
2239
2240                         if (!$omode) $omode = "flc";
2241
2242                         getGlobalCounters($link);
2243
2244                         if (strchr($omode, "l")) getLabelCounters($link);
2245                         if (strchr($omode, "f")) getFeedCounters($link, SMART_RPC_COUNTERS, $active_feed);
2246                         if (strchr($omode, "t")) getTagCounters($link);
2247                         if (strchr($omode, "c")) {
2248                                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
2249                                         getCategoryCounters($link);
2250                                 }
2251                         }
2252
2253                         $_SESSION["get_all_counters_stamp"] = time();
2254                 }
2255
2256         }
2257
2258         function getCategoryCounters($link) {
2259                 # two special categories are -1 and -2 (all virtuals; all labels)
2260
2261                 $ctr = getCategoryUnread($link, -1);
2262
2263                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>";
2264
2265                 $ctr = getCategoryUnread($link, -2);
2266
2267                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
2268
2269                 $age_qpart = getMaxAgeSubquery();
2270
2271                 $result = db_query($link, "SELECT cat_id,SUM((SELECT COUNT(int_id)
2272                                 FROM ttrss_user_entries, ttrss_entries WHERE feed_id = ttrss_feeds.id
2273                                         AND id = ref_id AND $age_qpart
2274                                         AND unread = true)) AS unread FROM ttrss_feeds
2275                         WHERE
2276                                 hidden = false AND owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
2277
2278                 while ($line = db_fetch_assoc($result)) {
2279                         $line["cat_id"] = sprintf("%d", $line["cat_id"]);
2280                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
2281                                 $line["unread"]."\"/>";
2282                 }
2283         }
2284
2285         function getCategoryUnread($link, $cat) {
2286
2287                 if ($cat >= 0) {
2288
2289                         if ($cat != 0) {
2290                                 $cat_query = "cat_id = '$cat'";
2291                         } else {
2292                                 $cat_query = "cat_id IS NULL";
2293                         }
2294
2295                         $age_qpart = getMaxAgeSubquery();
2296
2297                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2298                                         AND hidden = false
2299                                         AND owner_uid = " . $_SESSION["uid"]);
2300
2301                         $cat_feeds = array();
2302                         while ($line = db_fetch_assoc($result)) {
2303                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2304                         }
2305
2306                         if (count($cat_feeds) == 0) return 0;
2307
2308                         $match_part = implode(" OR ", $cat_feeds);
2309
2310                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2311                                 FROM ttrss_user_entries,ttrss_entries
2312                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2313                                 AND $age_qpart AND owner_uid = " . $_SESSION["uid"]);
2314
2315                         $unread = 0;
2316
2317                         # this needs to be rewritten
2318                         while ($line = db_fetch_assoc($result)) {
2319                                 $unread += $line["unread"];
2320                         }
2321
2322                         return $unread;
2323                 } else if ($cat == -1) {
2324                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3);
2325                 } else if ($cat == -2) {
2326
2327                         $rv = getLabelCounters($link, false, true);
2328                         $ctr = 0;
2329
2330                         foreach (array_keys($rv) as $k) {
2331                                 if ($k < -10) {
2332                                         $ctr += $rv[$k]["counter"];
2333                                 }
2334                         }
2335
2336                         return $ctr;
2337                 }
2338         }
2339
2340         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2341                 if (DB_TYPE == "pgsql") {
2342                         return "ttrss_entries.date_entered >
2343                                 NOW() - INTERVAL '$days days'";
2344                 } else {
2345                         return "ttrss_entries.date_entered >
2346                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2347                 }
2348         }
2349
2350         function getFeedUnread($link, $feed, $is_cat = false) {
2351                 return getFeedArticles($link, $feed, $is_cat, true);
2352         }
2353
2354         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false) {
2355                 $n_feed = sprintf("%d", $feed);
2356
2357                 if ($unread_only) {
2358                         $unread_qpart = "unread = true";
2359                 } else {
2360                         $unread_qpart = "true";
2361                 }
2362
2363                 $age_qpart = getMaxAgeSubquery();
2364
2365                 if ($is_cat) {
2366                         return getCategoryUnread($link, $n_feed);
2367                 } else if ($n_feed == -1) {
2368                         $match_part = "marked = true";
2369                 } else if ($n_feed == -2) {
2370                         $match_part = "published = true";
2371                 } else if ($n_feed == -3) {
2372                         $match_part = "unread = true";
2373
2374                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2375
2376                         if (DB_TYPE == "pgsql") {
2377                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2378                         } else {
2379                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2380                         }
2381
2382                 } else if ($n_feed > 0) {
2383
2384                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2385                                         WHERE parent_feed = '$n_feed'
2386                                         AND hidden = false
2387                                         AND owner_uid = " . $_SESSION["uid"]);
2388
2389                         if (db_num_rows($result) > 0) {
2390
2391                                 $linked_feeds = array();
2392                                 while ($line = db_fetch_assoc($result)) {
2393                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2394                                 }
2395
2396                                 array_push($linked_feeds, "feed_id = $n_feed");
2397
2398                                 $match_part = implode(" OR ", $linked_feeds);
2399
2400                                 $result = db_query($link, "SELECT COUNT(int_id) AS unread
2401                                         FROM ttrss_user_entries,ttrss_entries
2402                                         WHERE   $unread_qpart AND
2403                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2404                                         $age_qpart AND
2405                                         ($match_part) AND
2406                                         owner_uid = " . $_SESSION["uid"]);
2407
2408                                 $unread = 0;
2409
2410                                 # this needs to be rewritten
2411                                 while ($line = db_fetch_assoc($result)) {
2412                                         $unread += $line["unread"];
2413                                 }
2414
2415                                 return $unread;
2416
2417                         } else {
2418                                 $match_part = "feed_id = '$n_feed'";
2419                         }
2420                 } else if ($feed < -10) {
2421
2422                         $label_id = -$feed - 11;
2423
2424                         $result = db_query($link, "SELECT sql_exp FROM ttrss_labels WHERE
2425                                 id = '$label_id' AND owner_uid = " . $_SESSION["uid"]);
2426
2427                         $match_part = db_fetch_result($result, 0, "sql_exp");
2428                 }
2429
2430                 if ($match_part) {
2431
2432                         $result = db_query($link, "SELECT count(int_id) AS unread
2433                                 FROM ttrss_user_entries,ttrss_feeds,ttrss_entries WHERE
2434                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2435                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2436                                 ttrss_feeds.hidden = false AND
2437                                 $age_qpart AND
2438                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
2439
2440                 } else {
2441
2442                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2443                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2444                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2445                                 AND $unread_qpart AND $age_qpart AND
2446                                         ttrss_tags.owner_uid = " . $_SESSION["uid"]);
2447                 }
2448
2449                 $unread = db_fetch_result($result, 0, "unread");
2450
2451                 return $unread;
2452         }
2453
2454         /* FIXME this needs reworking */
2455
2456         function getGlobalUnread($link, $user_id = false) {
2457
2458                 if (!$user_id) {
2459                         $user_id = $_SESSION["uid"];
2460                 }
2461
2462                 $age_qpart = getMaxAgeSubquery();
2463
2464                 $result = db_query($link, "SELECT count(ttrss_entries.id) as c_id FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2465                         WHERE unread = true AND
2466                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
2467                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2468                         hidden = false AND
2469                         $age_qpart AND
2470                         ttrss_user_entries.owner_uid = '$user_id'");
2471                 $c_id = db_fetch_result($result, 0, "c_id");
2472                 return $c_id;
2473         }
2474
2475         function getGlobalCounters($link, $global_unread = -1) {
2476                 if ($global_unread == -1) {
2477                         $global_unread = getGlobalUnread($link);
2478                 }
2479                 print "<counter type=\"global\" id='global-unread'
2480                         counter='$global_unread'/>";
2481
2482                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2483                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2484
2485                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2486
2487                 print "<counter type=\"global\" id='subscribed-feeds'
2488                         counter='$subscribed_feeds'/>";
2489
2490         }
2491
2492         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
2493
2494                 if ($smart_mode) {
2495                         if (!$_SESSION["tctr_last_value"]) {
2496                                 $_SESSION["tctr_last_value"] = array();
2497                         }
2498                 }
2499
2500                 $old_counters = $_SESSION["tctr_last_value"];
2501
2502                 $tctrs_modified = false;
2503
2504 /*              $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
2505                         FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
2506                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2507                         ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
2508                         post_int_id = ttrss_user_entries.int_id AND unread = true GROUP BY tag_name
2509                 UNION
2510                         select tag_name,0 as count FROM ttrss_tags
2511                         WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]); */
2512
2513                 $age_qpart = getMaxAgeSubquery();
2514
2515                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2516                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2517                                 AND ref_id = id AND $age_qpart
2518                                 AND unread = true)) AS count FROM ttrss_tags
2519                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2520                                 ORDER BY count DESC LIMIT 55");
2521
2522                 $tags = array();
2523
2524                 while ($line = db_fetch_assoc($result)) {
2525                         $tags[$line["tag_name"]] += $line["count"];
2526                 }
2527
2528                 foreach (array_keys($tags) as $tag) {
2529                         $unread = $tags[$tag];
2530
2531                         $tag = htmlspecialchars($tag);
2532
2533                         if (!$smart_mode || $old_counters[$tag] != $unread) {
2534                                 $old_counters[$tag] = $unread;
2535                                 $tctrs_modified = true;
2536                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2537                         }
2538
2539                 }
2540
2541                 if ($smart_mode && $tctrs_modified) {
2542                         $_SESSION["tctr_last_value"] = $old_counters;
2543                 }
2544
2545         }
2546
2547         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2548
2549                 $age_qpart = getMaxAgeSubquery();
2550
2551                 if ($smart_mode) {
2552                         if (!$_SESSION["lctr_last_value"]) {
2553                                 $_SESSION["lctr_last_value"] = array();
2554                         }
2555                 }
2556
2557                 $ret_arr = array();
2558
2559                 $old_counters = $_SESSION["lctr_last_value"];
2560                 $lctrs_modified = false;
2561
2562                 $count = getFeedUnread($link, -1);
2563
2564                 if (!$ret_mode) {
2565
2566                         if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2567                                 $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2568                         } else {
2569                                 $xmsg_part = "";
2570                         }
2571
2572                         print "<counter type=\"label\" id=\"-1\" counter=\"$count\" $xmsg_part/>";
2573                 } else {
2574                         $ret_arr["-1"]["counter"] = $count;
2575                         $ret_arr["-1"]["description"] = __("Starred articles");
2576                 }
2577
2578                 $count = getFeedUnread($link, -2);
2579
2580                 if (!$ret_mode) {
2581
2582                         if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2583                                 $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2584                         } else {
2585                                 $xmsg_part = "";
2586                         }
2587
2588                         print "<counter type=\"label\" id=\"-2\" counter=\"$count\" $xmsg_part/>";
2589                 } else {
2590                         $ret_arr["-2"]["counter"] = $count;
2591                         $ret_arr["-2"]["description"] = __("Published articles");
2592                 }
2593
2594                 $count = getFeedUnread($link, -3);
2595
2596                 if (!$ret_mode) {
2597
2598                         if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2599                                 $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2600                         } else {
2601                                 $xmsg_part = "";
2602                         }
2603
2604                         print "<counter type=\"label\" id=\"-3\" counter=\"$count\" $xmsg_part/>";
2605                 } else {
2606                         $ret_arr["-3"]["counter"] = $count;
2607                         $ret_arr["-3"]["description"] = __("Fresh articles");
2608                 }
2609
2610
2611                 $result = db_query($link, "SELECT owner_uid,id,sql_exp,description FROM
2612                         ttrss_labels WHERE owner_uid = ".$_SESSION["uid"]." ORDER by description");
2613
2614                 while ($line = db_fetch_assoc($result)) {
2615
2616                         $id = -$line["id"] - 11;
2617
2618                         $label_name = $line["description"];
2619
2620                         error_reporting (0);
2621
2622                         $tmp_result = db_query($link, "SELECT count(ttrss_entries.id) as count FROM ttrss_user_entries,ttrss_entries,ttrss_feeds
2623                                 WHERE (" . $line["sql_exp"] . ") AND unread = true AND
2624                                 ttrss_feeds.hidden = false AND
2625                                 $age_qpart AND
2626                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2627                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2628                                 ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
2629
2630                         $count = db_fetch_result($tmp_result, 0, "count");
2631
2632                         if (!$smart_mode || $old_counters[$id] != $count) {
2633                                 $old_counters[$id] = $count;
2634                                 $lctrs_modified = true;
2635                                 if (!$ret_mode) {
2636
2637                                         if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2638                                                 $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2639                                         } else {
2640                                                 $xmsg_part = "";
2641                                         }
2642
2643                                         print "<counter type=\"label\" id=\"$id\" counter=\"$count\" $xmsg_part/>";
2644                                 } else {
2645                                         $ret_arr[$id]["counter"] = $count;
2646                                         $ret_arr[$id]["description"] = $label_name;
2647                                 }
2648                         }
2649
2650                         error_reporting (DEFAULT_ERROR_LEVEL);
2651                 }
2652
2653                 if ($smart_mode && $lctrs_modified) {
2654                         $_SESSION["lctr_last_value"] = $old_counters;
2655                 }
2656
2657                 return $ret_arr;
2658         }
2659
2660 /*      function getFeedCounter($link, $id) {
2661
2662                 $result = db_query($link, "SELECT
2663                                 count(id) as count,last_error
2664                         FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2665                         WHERE feed_id = '$id' AND unread = true
2666                         AND ttrss_user_entries.feed_id = ttrss_feeds.id
2667                         AND ttrss_user_entries.ref_id = ttrss_entries.id");
2668
2669                         $count = db_fetch_result($result, 0, "count");
2670                         $last_error = htmlspecialchars(db_fetch_result($result, 0, "last_error"));
2671
2672                         print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" error=\"$last_error\"/>";
2673         } */
2674
2675         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS, $active_feed = false) {
2676
2677                 $age_qpart = getMaxAgeSubquery();
2678
2679                 if ($smart_mode) {
2680                         if (!$_SESSION["fctr_last_value"]) {
2681                                 $_SESSION["fctr_last_value"] = array();
2682                         }
2683                 }
2684
2685                 $old_counters = $_SESSION["fctr_last_value"];
2686
2687 /*              $result = db_query($link, "SELECT id,last_error,parent_feed,
2688                         ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated,
2689                         (SELECT count(id)
2690                                 FROM ttrss_entries,ttrss_user_entries
2691                                 WHERE feed_id = ttrss_feeds.id AND
2692                                         ttrss_user_entries.ref_id = ttrss_entries.id
2693                                 AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
2694                         FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"] . "
2695                         AND parent_feed IS NULL"); */
2696
2697                 $query = "SELECT ttrss_feeds.id,
2698                                 ttrss_feeds.title,
2699                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2700                                 last_error,
2701                                 COUNT(ttrss_entries.id) AS count
2702                         FROM ttrss_feeds
2703                                 LEFT JOIN ttrss_user_entries ON (ttrss_user_entries.feed_id = ttrss_feeds.id
2704                                         AND ttrss_user_entries.owner_uid = ttrss_feeds.owner_uid
2705                                         AND ttrss_user_entries.unread = true)
2706                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id AND
2707                                         $age_qpart)
2708                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2709                                 AND parent_feed IS NULL
2710                         GROUP BY ttrss_feeds.id, ttrss_feeds.title, ttrss_feeds.last_updated, last_error";
2711
2712                 $result = db_query($link, $query);
2713                 $fctrs_modified = false;
2714
2715                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2716
2717                 while ($line = db_fetch_assoc($result)) {
2718
2719                         $id = $line["id"];
2720                         $count = $line["count"];
2721                         $last_error = htmlspecialchars($line["last_error"]);
2722
2723                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2724                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2725                         } else {
2726                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2727                         }
2728
2729                         $last_updated = htmlspecialchars($last_updated);
2730
2731                         $has_img = is_file(ICONS_DIR . "/$id.ico");
2732
2733                         $tmp_result = db_query($link,
2734                                 "SELECT ttrss_feeds.id,COUNT(unread) AS unread
2735                                 FROM ttrss_feeds LEFT JOIN ttrss_user_entries
2736                                         ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
2737                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id)
2738                                 WHERE parent_feed = '$id' AND $age_qpart AND unread = true GROUP BY ttrss_feeds.id");
2739
2740                         if (db_num_rows($tmp_result) > 0) {
2741                                 while ($l = db_fetch_assoc($tmp_result)) {
2742                                         $count += $l["unread"];
2743                                 }
2744                         }
2745
2746                         if (!$smart_mode || $old_counters[$id] != $count) {
2747                                 $old_counters[$id] = $count;
2748                                 $fctrs_modified = true;
2749
2750                                 if ($last_error) {
2751                                         $error_part = "error=\"$last_error\"";
2752                                 } else {
2753                                         $error_part = "";
2754                                 }
2755
2756                                 if ($has_img) {
2757                                         $has_img_part = "hi=\"$has_img\"";
2758                                 } else {
2759                                         $has_img_part = "";
2760                                 }
2761
2762                                 if ($active_feed && $id == $active_feed) {
2763                                         $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2764                                 } else {
2765                                         $has_title_part = "";
2766                                 }
2767
2768                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2769                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2770                                 }
2771
2772                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $xmsg_part $has_title_part/>";
2773                         }
2774                 }
2775
2776                 if ($smart_mode && $fctrs_modified) {
2777                         $_SESSION["fctr_last_value"] = $old_counters;
2778                 }
2779         }
2780
2781         function get_script_dt_add() {
2782                 if (strpos(VERSION, ".99") === false) {
2783                         return VERSION;
2784                 } else {
2785                         return time();
2786                 }
2787         }
2788
2789         function get_pgsql_version($link) {
2790                 $result = db_query($link, "SELECT version() AS version");
2791                 $version = split(" ", db_fetch_result($result, 0, "version"));
2792                 return $version[1];
2793         }
2794
2795         function print_error_xml($code, $add_msg = "") {
2796                 global $ERRORS;
2797
2798                 $error_msg = $ERRORS[$code];
2799
2800                 if ($add_msg) {
2801                         $error_msg = "$error_msg; $add_msg";
2802                 }
2803
2804                 print "<rpc-reply>";
2805                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2806                 print "</rpc-reply>";
2807         }
2808
2809         function subscribe_to_feed($link, $feed_link, $cat_id = 0,
2810                         $auth_login = '', $auth_pass = '') {
2811
2812                 # check for feed:http://url
2813                 $feed_link = trim(preg_replace("/^feed:/", "", $feed_link));
2814
2815                 # check for feed://URL
2816                 if (strpos($feed_link, "//") === 0) {
2817                         $feed_link = "http:$feed_link";
2818                 }
2819
2820                 if ($feed_link == "") return;
2821
2822                 if ($cat_id == "0" || !$cat_id) {
2823                         $cat_qpart = "NULL";
2824                 } else {
2825                         $cat_qpart = "'$cat_id'";
2826                 }
2827
2828                 $result = db_query($link,
2829                         "SELECT id FROM ttrss_feeds
2830                         WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
2831
2832                 if (db_num_rows($result) == 0) {
2833
2834                         $result = db_query($link,
2835                                 "INSERT INTO ttrss_feeds
2836                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2837                                 VALUES ('".$_SESSION["uid"]."', '$feed_link',
2838                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2839
2840                         $result = db_query($link,
2841                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link'
2842                                         AND owner_uid = " . $_SESSION["uid"]);
2843
2844                         $feed_id = db_fetch_result($result, 0, "id");
2845
2846                         if ($feed_id) {
2847                                 update_rss_feed($link, $feed_link, $feed_id, true);
2848                         }
2849
2850                         return true;
2851                 } else {
2852                         return false;
2853                 }
2854         }
2855
2856         function print_feed_select($link, $id, $default_id = "",
2857                 $attributes = "", $include_all_feeds = true) {
2858
2859                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2860                 if ($include_all_feeds) {
2861                         print "<option value=\"0\">".__('All feeds')."</option>";
2862                 }
2863
2864                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2865                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2866
2867                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2868                         print "<option disabled>--------</option>";
2869                 }
2870
2871                 while ($line = db_fetch_assoc($result)) {
2872                         if ($line["id"] == $default_id) {
2873                                 $is_selected = "selected";
2874                         } else {
2875                                 $is_selected = "";
2876                         }
2877                         printf("<option $is_selected value='%d'>%s</option>",
2878                                 $line["id"], htmlspecialchars($line["title"]));
2879                 }
2880
2881                 print "</select>";
2882         }
2883
2884         function print_feed_cat_select($link, $id, $default_id = "",
2885                 $attributes = "", $include_all_cats = true) {
2886
2887                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2888
2889                 if ($include_all_cats) {
2890                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2891                 }
2892
2893                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2894                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2895
2896                 if (db_num_rows($result) > 0 && $include_all_cats) {
2897                         print "<option disabled>--------</option>";
2898                 }
2899
2900                 while ($line = db_fetch_assoc($result)) {
2901                         if ($line["id"] == $default_id) {
2902                                 $is_selected = "selected";
2903                         } else {
2904                                 $is_selected = "";
2905                         }
2906                         printf("<option $is_selected value='%d'>%s</option>",
2907                                 $line["id"], htmlspecialchars($line["title"]));
2908                 }
2909
2910                 print "</select>";
2911         }
2912
2913         function checkbox_to_sql_bool($val) {
2914                 return ($val == "on") ? "true" : "false";
2915         }
2916
2917         function getFeedCatTitle($link, $id) {
2918                 if ($id == -1) {
2919                         return __("Special");
2920                 } else if ($id < -10) {
2921                         return __("Labels");
2922                 } else if ($id > 0) {
2923                         $result = db_query($link, "SELECT ttrss_feed_categories.title
2924                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2925                                         cat_id = ttrss_feed_categories.id");
2926                         if (db_num_rows($result) == 1) {
2927                                 return db_fetch_result($result, 0, "title");
2928                         } else {
2929                                 return __("Uncategorized");
2930                         }
2931                 } else {
2932                         return "getFeedCatTitle($id) failed";
2933                 }
2934
2935         }
2936
2937         function getFeedTitle($link, $id) {
2938                 if ($id == -1) {
2939                         return __("Starred articles");
2940                 } else if ($id == -2) {
2941                         return __("Published articles");
2942                 } else if ($id == -3) {
2943                         return __("Fresh articles");
2944                 } else if ($id < -10) {
2945                         $label_id = -$id - 11;
2946                         $result = db_query($link, "SELECT description FROM ttrss_labels WHERE id = '$label_id'");
2947                         if (db_num_rows($result) == 1) {
2948                                 return db_fetch_result($result, 0, "description");
2949                         } else {
2950                                 return "Unknown label ($label_id)";
2951                         }
2952
2953                 } else if ($id > 0) {
2954                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2955                         if (db_num_rows($result) == 1) {
2956                                 return db_fetch_result($result, 0, "title");
2957                         } else {
2958                                 return "Unknown feed ($id)";
2959                         }
2960                 } else {
2961                         return "getFeedTitle($id) failed";
2962                 }
2963
2964         }
2965
2966         function get_session_cookie_name() {
2967                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
2968         }
2969
2970         function print_init_params($link) {
2971                 print "<init-params>";
2972                 if ($_SESSION["stored-params"]) {
2973                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
2974                                 if ($key) {
2975                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
2976                                         print "<param key=\"$key\" value=\"$value\"/>";
2977                                 }
2978                         }
2979                 }
2980
2981                 print "<param key=\"theme\" value=\"".$_SESSION["theme"]."\"/>";
2982                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
2983                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
2984                 print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
2985
2986                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
2987                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
2988
2989                 print "<param key=\"hide_read_feeds\" value=\"" .
2990                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
2991
2992                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
2993                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
2994
2995                 print "<param key=\"confirm_feed_catchup\" value=\"" .
2996                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
2997
2998                 print "<param key=\"cdm_auto_catchup\" value=\"" .
2999                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
3000
3001                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
3002
3003                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
3004
3005                 print "<param key=\"default_view_mode\" value=\"" .
3006                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
3007
3008                 print "<param key=\"default_view_limit\" value=\"" .
3009                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
3010
3011                 print "<param key=\"default_view_order_by\" value=\"" .
3012                         get_pref($link, "_DEFAULT_VIEW_ORDER_BY") . "\"/>";
3013
3014                 print "<param key=\"prefs_active_tab\" value=\"" .
3015                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
3016
3017                 print "<param key=\"infobox_disable_overlay\" value=\"" .
3018                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
3019
3020                 print "<param key=\"icons_location\" value=\"" .
3021                         ICONS_URL . "\"/>";
3022
3023                 print "<param key=\"hide_read_shows_special\" value=\"" .
3024                         (int) get_pref($link, "HIDE_READ_SHOWS_SPECIAL") . "\"/>";
3025
3026                 print "<param key=\"hide_feedlist\" value=\"" .
3027                         (int) get_pref($link, "HIDE_FEEDLIST") . "\"/>";
3028
3029                 print "<param key=\"bw_limit\" value=\"".
3030                         (int) $_SESSION["bw_limit"]."\"/>";
3031
3032                 print "<param key=\"sync_counters\" value=\"" .
3033                         (int) get_pref($link, "SYNC_COUNTERS") . "\"/>";
3034
3035                 print "</init-params>";
3036         }
3037
3038         function print_runtime_info($link) {
3039                 print "<runtime-info>";
3040
3041                 if (ENABLE_UPDATE_DAEMON) {
3042                         print "<param key=\"daemon_is_running\" value=\"".
3043                                 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
3044
3045                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3046
3047                                 $stamp = (int)read_stampfile("update_daemon.stamp");
3048
3049 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
3050
3051                                 if ($stamp) {
3052                                         $stamp_delta = time() - $stamp;
3053
3054                                         if ($stamp_delta > 1800) {
3055                                                 $stamp_check = 0;
3056                                         } else {
3057                                                 $stamp_check = 1;
3058                                                 $_SESSION["daemon_stamp_check"] = time();
3059                                         }
3060
3061                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
3062
3063                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3064
3065                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
3066                                 }
3067                         }
3068                 }
3069
3070                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3071
3072                         if ($_SESSION["last_version_check"] + 86400 < time()) {
3073                                 $new_version_details = check_for_update($link);
3074
3075                                 print "<param key=\"new_version_available\" value=\"".
3076                                         sprintf("%d", $new_version_details != ""). "\"/>";
3077
3078                                 $_SESSION["last_version_check"] = time();
3079                         }
3080                 }
3081
3082 //              print "<param key=\"new_version_available\" value=\"1\"/>";
3083
3084                 print "</runtime-info>";
3085         }
3086
3087         function getSearchSql($search, $match_on) {
3088
3089                 $search_query_part = "";
3090
3091                 $keywords = split(" ", $search);
3092                 $query_keywords = array();
3093
3094                 if ($match_on == "both") {
3095
3096                         foreach ($keywords as $k) {
3097                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
3098                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3099                         }
3100
3101                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3102
3103                 } else if ($match_on == "title") {
3104
3105                         foreach ($keywords as $k) {
3106                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
3107                         }
3108
3109                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3110
3111                 } else if ($match_on == "content") {
3112
3113                         foreach ($keywords as $k) {
3114                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3115                         }
3116                 }
3117
3118                 $search_query_part = implode("AND", $query_keywords);
3119
3120                 return $search_query_part;
3121         }
3122
3123         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3124
3125                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3126
3127                         if ($search) {
3128
3129                                 $search_query_part = getSearchSql($search, $match_on);
3130                                 $search_query_part .= " AND ";
3131
3132                         } else {
3133                                 $search_query_part = "";
3134                         }
3135
3136                         $view_query_part = "";
3137
3138                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3139                                 if ($search) {
3140                                         $view_query_part = " ";
3141                                 } else if ($feed != -1) {
3142                                         $unread = getFeedUnread($link, $feed, $cat_view);
3143                                         if ($unread > 0) {
3144                                                 $view_query_part = " unread = true AND ";
3145                                         }
3146                                 }
3147                         }
3148
3149                         if ($view_mode == "marked") {
3150                                 $view_query_part = " marked = true AND ";
3151                         }
3152
3153                         if ($view_mode == "unread") {
3154                                 $view_query_part = " unread = true AND ";
3155                         }
3156
3157                         if ($limit > 0) {
3158                                 $limit_query_part = "LIMIT " . $limit;
3159                         }
3160
3161                         $vfeed_query_part = "";
3162
3163                         // override query strategy and enable feed display when searching globally
3164                         if ($search && $search_mode == "all_feeds") {
3165                                 $query_strategy_part = "ttrss_entries.id > 0";
3166                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3167                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3168                                 $query_strategy_part = "ttrss_entries.id > 0";
3169                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3170                                         id = feed_id) as feed_title,";
3171                         } else if ($feed >= 0 && $search && $search_mode == "this_cat") {
3172
3173                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3174
3175                                 $tmp_result = false;
3176
3177                                 if ($cat_view) {
3178                                         $tmp_result = db_query($link, "SELECT id
3179                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3180                                 } else {
3181                                         $tmp_result = db_query($link, "SELECT id
3182                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3183                                                         WHERE id = '$feed') AND id != '$feed'");
3184                                 }
3185
3186                                 $cat_siblings = array();
3187
3188                                 if (db_num_rows($tmp_result) > 0) {
3189                                         while ($p = db_fetch_assoc($tmp_result)) {
3190                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3191                                         }
3192
3193                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3194                                                 $feed, implode(" OR ", $cat_siblings));
3195
3196                                 } else {
3197                                         $query_strategy_part = "ttrss_entries.id > 0";
3198                                 }
3199
3200                         } else if ($feed >= 0) {
3201
3202                                 if ($cat_view) {
3203
3204                                         if ($feed > 0) {
3205                                                 $query_strategy_part = "cat_id = '$feed'";
3206                                         } else {
3207                                                 $query_strategy_part = "cat_id IS NULL";
3208                                         }
3209
3210                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3211
3212                                 } else {
3213                                         $tmp_result = db_query($link, "SELECT id
3214                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3215                                                 ORDER BY cat_id,title");
3216
3217                                         $parent_ids = array();
3218
3219                                         if (db_num_rows($tmp_result) > 0) {
3220                                                 while ($p = db_fetch_assoc($tmp_result)) {
3221                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3222                                                 }
3223
3224                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3225                                                         $feed, implode(" OR ", $parent_ids));
3226
3227                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3228                                         } else {
3229                                                 $query_strategy_part = "feed_id = '$feed'";
3230                                         }
3231                                 }
3232                         } else if ($feed == -1) { // starred virtual feed
3233                                 $query_strategy_part = "marked = true";
3234                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3235                         } else if ($feed == -2) { // published virtual feed
3236                                 $query_strategy_part = "published = true";
3237                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3238                         } else if ($feed == -3) { // fresh virtual feed
3239                                 $query_strategy_part = "unread = true";
3240
3241                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3242
3243                                 if (DB_TYPE == "pgsql") {
3244                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3245                                 } else {
3246                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3247                                 }
3248
3249                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3250                         } else if ($feed <= -10) { // labels
3251                                 $label_id = -$feed - 11;
3252
3253                                 $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
3254                                         WHERE id = '$label_id'");
3255
3256                                 $query_strategy_part = "(" . db_fetch_result($tmp_result, 0, "sql_exp") . ")";
3257
3258                                 if (!$query_strategy_part) {
3259                                         return false;
3260                                 }
3261
3262                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3263                         } else {
3264                                 $query_strategy_part = "id > 0"; // dumb
3265                         }
3266
3267                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3268                                 $order_by = "updated";
3269                         } else {
3270                                 $order_by = "updated DESC";
3271                         }
3272
3273                         if ($view_mode != "noscores") {
3274                                 $order_by = "score DESC, $order_by";
3275                         }
3276
3277                         if ($override_order) {
3278                                 $order_by = $override_order;
3279                         }
3280
3281                         $feed_title = "";
3282
3283                         if ($search && $search_mode == "all_feeds") {
3284                                 $feed_title = __("Search results")." ($search)";
3285                         } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3286                                 $feed_title = __("Search results")." ($search, $feed)";
3287                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3288                                 $feed_title = $feed;
3289                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
3290
3291                                 if ($cat_view) {
3292
3293                                         if ($feed != 0) {
3294                                                 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
3295                                                         WHERE id = '$feed' AND owner_uid = $owner_uid");
3296                                                 $feed_title = db_fetch_result($result, 0, "title");
3297                                         } else {
3298                                                 $feed_title = __("Uncategorized");
3299                                         }
3300
3301                                         if ($search) {
3302                                                 $feed_title = __("Searched for")." $search ($feed_title)";
3303                                         }
3304
3305                                 } else {
3306
3307                                         $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds
3308                                                 WHERE id = '$feed' AND owner_uid = $owner_uid");
3309
3310                                         $feed_title = db_fetch_result($result, 0, "title");
3311                                         $feed_site_url = db_fetch_result($result, 0, "site_url");
3312                                         $last_error = db_fetch_result($result, 0, "last_error");
3313
3314                                         if ($search) {
3315                                                 $feed_title = __("Searched for") . " $search ($feed_title)";
3316                                         }
3317                                 }
3318
3319                         } else if ($feed == -1) {
3320                                 $feed_title = __("Starred articles");
3321                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3322                         } else if ($feed == -2) {
3323                                 $feed_title = __("Published articles");
3324                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3325                         } else if ($feed == -3) {
3326                                 $feed_title = __("Fresh articles");
3327                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3328                         } else if ($feed < -10) {
3329                                 $label_id = -$feed - 11;
3330                                 $result = db_query($link, "SELECT description FROM ttrss_labels
3331                                         WHERE id = '$label_id'");
3332                                 $feed_title = db_fetch_result($result, 0, "description");
3333
3334                                 if ($search) {
3335                                         $feed_title = __("Searched for") . " $search ($feed_title)";
3336                                 }
3337                         } else {
3338                                 $feed_title = "?";
3339                         }
3340
3341                         if ($feed < -10) error_reporting (0);
3342
3343                         $content_query_part = "content as content_preview,";
3344
3345                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3346
3347                                 if ($feed >= 0) {
3348                                         $feed_kind = "Feeds";
3349                                 } else {
3350                                         $feed_kind = "Labels";
3351                                 }
3352
3353                                 if ($limit_query_part) {
3354                                         $offset_query_part = "OFFSET $offset";
3355                                 }
3356
3357                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3358                                         if (!$override_order) {
3359                                                 $order_by = "ttrss_feeds.title, $order_by";
3360                                         }
3361
3362                                         // Special output for Fresh feed
3363
3364 /*                                      if ($feed == -3) {
3365                                                 $group_limit_part = "(select count(*) from
3366                                                         ttrss_user_entries AS t1, ttrss_entries AS t2 where
3367                                                                 t1.ref_id = t2.id and t1.owner_uid = 2 and
3368                                                                 t1.feed_id = ttrss_user_entries.feed_id and
3369                                                                 t2.updated > ttrss_entries.updated) <= 5 AND";
3370 } */
3371                                 }
3372
3373                                 $query = "SELECT
3374                                                 guid,
3375                                                 ttrss_entries.id,ttrss_entries.title,
3376                                                 updated,
3377                                                 unread,feed_id,marked,published,link,last_read,
3378                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3379                                                 $vfeed_query_part
3380                                                 $content_query_part
3381                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3382                                                 author,score
3383                                         FROM
3384                                                 ttrss_entries,ttrss_user_entries,ttrss_feeds
3385                                         WHERE
3386                                         $group_limit_part
3387                                         ttrss_feeds.hidden = false AND
3388                                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
3389                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3390                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3391                                         $search_query_part
3392                                         $view_query_part
3393                                         $query_strategy_part ORDER BY $order_by
3394                                         $limit_query_part $offset_query_part";
3395
3396                                 if ($_GET["debug"]) print $query;
3397
3398                                 $result = db_query($link, $query);
3399
3400                         } else {
3401                                 // browsing by tag
3402
3403                                 $feed_kind = "Tags";
3404
3405                                 $result = db_query($link, "SELECT
3406                                         guid,
3407                                         ttrss_entries.id as id,title,
3408                                         updated,
3409                                         unread,feed_id,
3410                                         marked,link,last_read,
3411                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3412                                         $vfeed_query_part
3413                                         $content_query_part
3414                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3415                                         score
3416                                         FROM
3417                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3418                                         WHERE
3419                                                 ref_id = ttrss_entries.id AND
3420                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3421                                                 post_int_id = int_id AND tag_name = '$feed' AND
3422                                                 $view_query_part
3423                                                 $search_query_part
3424                                                 $query_strategy_part ORDER BY $order_by
3425                                         $limit_query_part");
3426                         }
3427
3428                         return array($result, $feed_title, $feed_site_url, $last_error);
3429
3430         }
3431
3432         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3433                 $search, $search_mode, $match_on) {
3434
3435                 $qfh_ret = queryFeedHeadlines($link, $feed,
3436                         30, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3437                         $owner_uid);
3438
3439                 $result = $qfh_ret[0];
3440                 $feed_title = htmlspecialchars($qfh_ret[1]);
3441                 $feed_site_url = $qfh_ret[2];
3442                 $last_error = $qfh_ret[3];
3443
3444 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3445
3446                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3447                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3448                         <rss version=\"2.0\">
3449                         <channel>
3450                         <title>$feed_title</title>
3451                         <link>$feed_site_url</link>
3452                         <description>Feed generated by Tiny Tiny RSS</description>";
3453
3454                 while ($line = db_fetch_assoc($result)) {
3455                         print "<item>";
3456                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3457                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3458
3459                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3460
3461                         foreach ($tags as $tag) {
3462                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3463                         }
3464
3465                         $rfc822_date = date('r', strtotime($line["updated"]));
3466
3467                         print "<pubDate>$rfc822_date</pubDate>";
3468
3469                         print "<title>" .
3470                                 htmlspecialchars($line["title"]) . "</title>";
3471
3472                         print "<description><![CDATA[" .
3473                                 $line["content_preview"] . "]]></description>";
3474
3475                         print "</item>";
3476                 }
3477
3478                 print "</channel></rss>";
3479
3480         }
3481
3482         function getCategoryTitle($link, $cat_id) {
3483
3484                 if ($cat_id == -1) {
3485                         return __("Special");
3486                 } else if ($cat_id == -2) {
3487                         return __("Labels");
3488                 } else {
3489
3490                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3491                                 id = '$cat_id'");
3492
3493                         if (db_num_rows($result) == 1) {
3494                                 return db_fetch_result($result, 0, "title");
3495                         } else {
3496                                 return "Uncategorized";
3497                         }
3498                 }
3499         }
3500
3501         // http://ru2.php.net/strip-tags
3502
3503         function strip_tags_long($textstring, $allowed){
3504         while($textstring != strip_tags($textstring, $allowed))
3505     {
3506     while (strlen($textstring) != 0)
3507          {
3508          if (strlen($textstring) > 1024) {
3509               $otherlen = 1024;
3510          } else {
3511               $otherlen = strlen($textstring);
3512          }
3513          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3514          $safetext .= $temptext;
3515          $textstring = substr_replace($textstring,'',0,$otherlen);
3516          }
3517     $textstring = $safetext;
3518     }
3519         return $textstring;
3520         }
3521
3522
3523         function sanitize_rss($link, $str, $force_strip_tags = false) {
3524                 $res = $str;
3525
3526                 if (get_pref($link, "STRIP_UNSAFE_TAGS") || $force_strip_tags) {
3527
3528                         $res = strip_tags_long($res,
3529                                 "<p><a><i><em><b><strong><code><pre><blockquote><br><img><ul><ol><li>");
3530
3531 //                      $res = preg_replace("/\r\n|\n|\r/", "", $res);
3532 //                      $res = strip_tags_long($res, "<p><a><i><em><b><strong><blockquote><br><img><div><span>");
3533                 }
3534
3535                 if (get_pref($link, "STRIP_IMAGES")) {
3536
3537                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3538
3539                 }
3540
3541                 return $res;
3542         }
3543
3544         /**
3545          * Send by mail a digest of last articles.
3546          *
3547          * @param mixed $link The database connection.
3548          * @param integer $limit The maximum number of articles by digest.
3549          * @return boolean Return false if digests are not enabled.
3550          */
3551         function send_headlines_digests($link, $limit = 100) {
3552
3553                 if (!DIGEST_ENABLE) return false;
3554
3555                 $user_limit = DIGEST_EMAIL_LIMIT;
3556                 $days = 1;
3557
3558                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3559
3560                 if (DB_TYPE == "pgsql") {
3561                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3562                 } else if (DB_TYPE == "mysql") {
3563                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3564                 }
3565
3566                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3567                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3568
3569                 while ($line = db_fetch_assoc($result)) {
3570
3571                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3572                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3573
3574                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3575
3576                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3577                                 $digest = $tuple[0];
3578                                 $headlines_count = $tuple[1];
3579                                 $affected_ids = $tuple[2];
3580                                 $digest_text = $tuple[3];
3581
3582                                 if ($headlines_count > 0) {
3583
3584                                         $mail = new PHPMailer();
3585
3586                                         $mail->PluginDir = "phpmailer/";
3587                                         $mail->SetLanguage("en", "phpmailer/language/");
3588
3589                                         $mail->CharSet = "UTF-8";
3590
3591                                         $mail->From = DIGEST_FROM_ADDRESS;
3592                                         $mail->FromName = DIGEST_FROM_NAME;
3593                                         $mail->AddAddress($line["email"], $line["login"]);
3594
3595                                         if (DIGEST_SMTP_HOST) {
3596                                                 $mail->Host = DIGEST_SMTP_HOST;
3597                                                 $mail->Mailer = "smtp";
3598                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3599                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3600                                         }
3601
3602                                         $mail->IsHTML(true);
3603                                         $mail->Subject = DIGEST_SUBJECT;
3604                                         $mail->Body = $digest;
3605                                         $mail->AltBody = $digest_text;
3606
3607                                         $rc = $mail->Send();
3608
3609                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3610
3611                                         print "RC=$rc\n";
3612
3613                                         if ($rc && $do_catchup) {
3614                                                 print "Marking affected articles as read...\n";
3615                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3616                                         }
3617
3618                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3619                                                         WHERE id = " . $line["id"]);
3620                                 } else {
3621                                         print "No headlines\n";
3622                                 }
3623                         }
3624                 }
3625
3626                 print "All done.\n";
3627
3628         }
3629
3630         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3631
3632                 require_once "MiniTemplator.class.php";
3633
3634                 $tpl = new MiniTemplator;
3635                 $tpl_t = new MiniTemplator;
3636
3637                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3638                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3639
3640                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3641                 $tpl->setVariable('CUR_TIME', date('G:i'));
3642
3643                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3644                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3645
3646                 $affected_ids = array();
3647
3648                 if (DB_TYPE == "pgsql") {
3649                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3650                 } else if (DB_TYPE == "mysql") {
3651                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3652                 }
3653
3654                 $result = db_query($link, "SELECT ttrss_entries.title,
3655                                 ttrss_feeds.title AS feed_title,
3656                                 date_entered,
3657                                 ttrss_user_entries.ref_id,
3658                                 link,
3659                                 SUBSTRING(content, 1, 120) AS excerpt,
3660                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3661                         FROM
3662                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3663                         WHERE
3664                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3665                                 AND include_in_digest = true
3666                                 AND $interval_query
3667                                 AND hidden = false
3668                                 AND ttrss_user_entries.owner_uid = $user_id
3669                                 AND unread = true
3670                         ORDER BY ttrss_feeds.title, date_entered DESC
3671                         LIMIT $limit");
3672
3673                 $cur_feed_title = "";
3674
3675                 $headlines_count = db_num_rows($result);
3676
3677                 $headlines = array();
3678
3679                 while ($line = db_fetch_assoc($result)) {
3680                         array_push($headlines, $line);
3681                 }
3682
3683                 for ($i = 0; $i < sizeof($headlines); $i++) {
3684
3685                         $line = $headlines[$i];
3686
3687                         array_push($affected_ids, $line["ref_id"]);
3688
3689                         $updated = smart_date_time(strtotime($line["last_updated"]));
3690
3691                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3692                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3693                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3694                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3695                         $tpl->setVariable('ARTICLE_EXCERPT',
3696                                 truncate_string(strip_tags($line["excerpt"]), 100));
3697
3698                         $tpl->addBlock('article');
3699
3700                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3701                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3702                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3703                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3704 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3705 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3706
3707                         $tpl_t->addBlock('article');
3708
3709                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3710                                 $tpl->addBlock('feed');
3711                                 $tpl_t->addBlock('feed');
3712                         }
3713
3714                 }
3715
3716                 $tpl->addBlock('digest');
3717                 $tpl->generateOutputToString($tmp);
3718
3719                 $tpl_t->addBlock('digest');
3720                 $tpl_t->generateOutputToString($tmp_t);
3721
3722                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3723         }
3724
3725         function check_for_update($link, $brief_fmt = true) {
3726                 $releases_feed = "http://tt-rss.spb.ru/releases.rss";
3727
3728                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3729                         return;
3730                 }
3731
3732                 error_reporting(0);
3733                 if (ENABLE_SIMPLEPIE) {
3734                         $rss = new SimplePie();
3735                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3736 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3737                         $rss->set_feed_url($fetch_url);
3738                         $rss->set_output_encoding('UTF-8');
3739                         $rss->init();
3740                 } else {
3741                         $rss = fetch_rss($releases_feed);
3742                 }
3743                 error_reporting (DEFAULT_ERROR_LEVEL);
3744
3745                 if ($rss) {
3746
3747                         if (ENABLE_SIMPLEPIE) {
3748                                 $items = $rss->get_items();
3749                         } else {
3750                                 $items = $rss->items;
3751
3752                                 if (!$items || !is_array($items)) $items = $rss->entries;
3753                                 if (!$items || !is_array($items)) $items = $rss;
3754                         }
3755
3756                         if (!is_array($items) || count($items) == 0) {
3757                                 return;
3758                         }
3759
3760                         $latest_item = $items[0];
3761
3762                         if (ENABLE_SIMPLEPIE) {
3763                                 $last_title = $latest_item->get_title();
3764                         } else {
3765                                 $last_title = $latest_item["title"];
3766                         }
3767
3768                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3769
3770                         if (ENABLE_SIMPLEPIE) {
3771                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3772                                 $content = sanitize_rss($link, $latest_item->get_description());
3773                         } else {
3774                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3775                                 $content = sanitize_rss($link, $latest_item["description"]);
3776                         }
3777
3778                         if (version_compare(VERSION, $latest_version) == -1) {
3779                                 if ($brief_fmt) {
3780                                         return format_notice("<a href=\"javascript:showBlockElement('milestoneDetails')\">
3781                                                 New version of Tiny-Tiny RSS ($latest_version) is available (click for details)</a>
3782                                                 <div id=\"milestoneDetails\">$content</div>");
3783                                 } else {
3784                                         return "New version of Tiny-Tiny RSS ($latest_version) is available:
3785                                                 <div class='milestoneDetails'>$content</div>
3786                                                 Visit <a target=\"_blank\" href=\"http://tt-rss.spb.ru/\">official site</a> for
3787                                                 download and update information.";
3788                                 }
3789
3790                         }
3791                 }
3792         }
3793
3794         function markArticlesById($link, $ids, $cmode) {
3795
3796                 $tmp_ids = array();
3797
3798                 foreach ($ids as $id) {
3799                         array_push($tmp_ids, "ref_id = '$id'");
3800                 }
3801
3802                 $ids_qpart = join(" OR ", $tmp_ids);
3803
3804                 if ($cmode == 0) {
3805                         db_query($link, "UPDATE ttrss_user_entries SET
3806                         marked = false,last_read = NOW()
3807                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3808                 } else if ($cmode == 1) {
3809                         db_query($link, "UPDATE ttrss_user_entries SET
3810                         marked = true
3811                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3812                 } else {
3813                         db_query($link, "UPDATE ttrss_user_entries SET
3814                         marked = NOT marked,last_read = NOW()
3815                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3816                 }
3817         }
3818
3819         function publishArticlesById($link, $ids, $cmode) {
3820
3821                 $tmp_ids = array();
3822
3823                 foreach ($ids as $id) {
3824                         array_push($tmp_ids, "ref_id = '$id'");
3825                 }
3826
3827                 $ids_qpart = join(" OR ", $tmp_ids);
3828
3829                 if ($cmode == 0) {
3830                         db_query($link, "UPDATE ttrss_user_entries SET
3831                         published = false,last_read = NOW()
3832                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3833                 } else if ($cmode == 1) {
3834                         db_query($link, "UPDATE ttrss_user_entries SET
3835                         published = true
3836                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3837                 } else {
3838                         db_query($link, "UPDATE ttrss_user_entries SET
3839                         published = NOT published,last_read = NOW()
3840                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3841                 }
3842         }
3843
3844         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
3845
3846                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3847
3848                 $tmp_ids = array();
3849
3850                 foreach ($ids as $id) {
3851                         array_push($tmp_ids, "ref_id = '$id'");
3852                 }
3853
3854                 $ids_qpart = join(" OR ", $tmp_ids);
3855
3856                 if ($cmode == 0) {
3857                         db_query($link, "UPDATE ttrss_user_entries SET
3858                         unread = false,last_read = NOW()
3859                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3860                 } else if ($cmode == 1) {
3861                         db_query($link, "UPDATE ttrss_user_entries SET
3862                         unread = true
3863                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3864                 } else {
3865                         db_query($link, "UPDATE ttrss_user_entries SET
3866                         unread = NOT unread,last_read = NOW()
3867                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3868                 }
3869         }
3870
3871         function catchupArticleById($link, $id, $cmode) {
3872
3873                 if ($cmode == 0) {
3874                         db_query($link, "UPDATE ttrss_user_entries SET
3875                         unread = false,last_read = NOW()
3876                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3877                 } else if ($cmode == 1) {
3878                         db_query($link, "UPDATE ttrss_user_entries SET
3879                         unread = true
3880                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3881                 } else {
3882                         db_query($link, "UPDATE ttrss_user_entries SET
3883                         unread = NOT unread,last_read = NOW()
3884                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3885                 }
3886         }
3887
3888         function make_guid_from_title($title) {
3889                 return preg_replace("/[ \"\',.:;]/", "-",
3890                         mb_strtolower(strip_tags($title), 'utf-8'));
3891         }
3892
3893         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
3894                         $bottom = false, $rtl_content = false, $feed_id = 0,
3895                         $is_cat = false, $search = false, $match_on = false,
3896                         $search_mode = false, $offset = 0, $limit = 0,
3897                         $dashboard_menu = 0, $disable_feed = 0, $feed_small_icon = 0) {
3898
3899                         $user_page_offset = $offset + 1;
3900
3901                         if (!$bottom) {
3902                                 $class = "headlinesSubToolbar";
3903                                 $tid = "headlineActionsTop";
3904                         } else {
3905                                 $class = "headlinesSubToolbar";
3906                                 $tid = "headlineActionsBottom";
3907                         }
3908
3909                         print "<table class=\"$class\" id=\"$tid\"
3910                                 width=\"100%\" cellspacing=\"0\" cellpadding=\"0\"><tr>";
3911
3912                         if ($rtl_content) {
3913                                 $rtl_cpart = "RTL";
3914                         } else {
3915                                 $rtl_cpart = "";
3916                         }
3917
3918                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
3919                         $page_next_link = "javascript:viewFeedGoPage(1)";
3920                         $page_first_link = "javascript:viewFeedGoPage(0)";
3921
3922                         $catchup_page_link = "javascript:catchupPage()";
3923                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
3924                         $catchup_sel_link = "javascript:catchupSelection()";
3925
3926                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
3927
3928                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
3929                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
3930                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
3931                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
3932
3933                                 $tog_unread_link = "javascript:selectionToggleUnread()";
3934                                 $tog_marked_link = "javascript:selectionToggleMarked()";
3935                                 $tog_published_link = "javascript:selectionTogglePublished()";
3936
3937                         } else {
3938
3939                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
3940                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
3941                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
3942
3943                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
3944
3945                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
3946                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
3947                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
3948
3949                         }
3950
3951                         if (!$dashboard_menu) {
3952
3953                                 if (strpos($_SESSION["client.userAgent"], "MSIE") === false) {
3954
3955                                         print "<td class=\"headlineActions$rtl_cpart\">
3956                                                 <ul class=\"headlineDropdownMenu\">
3957                                                 <li class=\"top2\">
3958                                                 ".__('Select:')."
3959                                                         <a href=\"$sel_all_link\">".__('All')."</a>,
3960                                                         <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3961                                                         <a href=\"$sel_inv_link\">".__('Invert')."</a>,
3962                                                         <a href=\"$sel_none_link\">".__('None')."</a></li>
3963                                                 <li class=\"vsep\">&nbsp;</li>
3964                                                 <li class=\"top\">".__('Actions...')."<ul>
3965                                                         <li><span class=\"insensitive\">".__('Selection toggle:')."</span></li>
3966                                                         <li onclick=\"$tog_unread_link\">&nbsp;&nbsp;".__('Unread')."</li>
3967                                                         <li onclick=\"$tog_marked_link\">&nbsp;&nbsp;".__('Starred')."</li>
3968                                                         <li onclick=\"$tog_published_link\">&nbsp;&nbsp;".__('Published')."</li>
3969                                                         <li><span class=\"insensitive\">--------</span></li>
3970                                                         <li><span class=\"insensitive\">".__('Mark as read:')."</span></li>
3971                                                         <li onclick=\"$catchup_sel_link\">&nbsp;&nbsp;".__('Selection')."</li>";
3972
3973 /*                              if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
3974
3975                                         print "
3976                                                 <li onclick=\"catchupRelativeToArticle(0)\">&nbsp;&nbsp;".__("Above active article")."</li>
3977                                                 <li onclick=\"catchupRelativeToArticle(1)\">&nbsp;&nbsp;".__("Below active article")."</li>";
3978                                 } else {
3979                                         print "
3980                                                 <li><span class=\"insensitive\">&nbsp;&nbsp;".__("Above active article")."</span></li>
3981                                                 <li><span class=\"insensitive\">&nbsp;&nbsp;".__("Below active article")."</span></li>";
3982
3983                                 } */
3984
3985                                 print "<li onclick=\"$catchup_feed_link\">&nbsp;&nbsp;".__('Entire feed')."</li>";
3986
3987                                 print "<li><span class=\"insensitive\">--------</span></li>";
3988                                 print "<li><span class=\"insensitive\">".__('Other actions:')."</span></li>";
3989
3990
3991                                 if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3992                                         print "
3993                                                 <li onclick=\"javascript:labelFromSearch('$search', '$search_mode',
3994                                                         '$match_on', '$feed_id', '$is_cat');\">&nbsp;&nbsp;
3995                                                         ".__('Search to label')."</li>";
3996                                 } else {
3997                                         print "<li><span class=\"insensitive\">&nbsp;&nbsp;".__('Search to label')."</li>";
3998
3999                                 }
4000
4001                                 print   "</ul></li></ul>";
4002                                 print "</td>";
4003
4004                                 } else {
4005                                         // old style subtoolbar:
4006
4007                                         print "<td class=\"headlineActions$rtl_cpart\">".
4008                                                 __('Select:')."
4009                                                                         <a href=\"$sel_all_link\">".__('All')."</a>,
4010                                                                         <a href=\"$sel_unread_link\">".__('Unread')."</a>,
4011                                                                         <a href=\"$sel_none_link\">".__('None')."</a>
4012                                                         &nbsp;&nbsp;".
4013                                                         __('Toggle:')." <a href=\"$tog_unread_link\">".__('Unread')."</a>,
4014                                                                 <a href=\"$tog_marked_link\">".__('Starred')."</a>
4015                                                         &nbsp;&nbsp;".
4016                                                         __('Mark as read:')."
4017                                                                 <a href=\"#\" onclick=\"$catchup_page_link\">".__('Page')."</a>,
4018                                                                 <a href=\"#\" onclick=\"$catchup_feed_link\">".__('Feed')."</a>";
4019
4020                                         if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
4021
4022                                                 print "&nbsp;&nbsp;
4023                                                                 <a href=\"javascript:labelFromSearch('$search', '$search_mode',
4024                                                                         '$match_on', '$feed_id', '$is_cat');\">
4025                                                                 ".__('Convert to label')."</a>";
4026                                         }
4027
4028                                         print "</td>";
4029
4030                                 }
4031                         } else { // dashboard menu actions
4032
4033                                 // not implemented
4034                                 print "</td>";
4035                         }
4036
4037                         print "<td class=\"headlineTitle$rtl_cpart\">";
4038
4039                         print "<span id=\"subtoolbar_search\"
4040                                 style=\"display : none\"><input
4041                                 id=\"subtoolbar_search_box\"
4042                                 onblur=\"javascript:enableHotkeys();\"
4043                                 onfocus=\"javascript:disableHotkeys();\"
4044                                 onchange=\"subtoolbarSearch()\"
4045                                 onkeyup=\"subtoolbarSearch()\" type=\"search\"></span>";
4046
4047                         print "<span id=\"subtoolbar_ftitle\">";
4048
4049                         if ($feed_site_url) {
4050                                 if (!$bottom) {
4051                                         $target = "target=\"_blank\"";
4052                                 }
4053                                 print "<a $target href=\"$feed_site_url\">".
4054                                         truncate_string($feed_title,30)."</a>";
4055                         } else {
4056                                 print $feed_title;
4057                         }
4058
4059                         if ($search) {
4060                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4061                         }
4062
4063                         if ($user_page_offset > 1) {
4064                                 print " [$user_page_offset] ";
4065                         }
4066
4067                         if (!$bottom && !$disable_feed) {
4068                                 print "
4069                                         <a target=\"_blank\"
4070                                                 href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
4071                                                 <img class=\"noborder\"
4072                                                         alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
4073                                         </a>";
4074                         } else if ($feed_small_icon) {
4075                                 print "<img class=\"noborder\" alt=\"\" src=\"images/$feed_small_icon\">";
4076                         }
4077
4078                         print "</span>";
4079
4080                         print "</td>";
4081                         print "</tr></table>";
4082
4083                 }
4084
4085         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
4086
4087                         $tmp_category = getCategoryTitle($link, $cat_id);
4088                         $cat_unread = getCategoryUnread($link, $cat_id);
4089
4090                         if ($hidden) {
4091                                 $holder_style = "display:none;";
4092                                 $ellipsis = "…";
4093                         } else {
4094                                 $holder_style = "";
4095                                 $ellipsis = "";
4096                         }
4097
4098                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4099
4100                         if ($can_browse) {
4101                                 $browse_cat_link = "onclick=\"javascript:viewCategory($cat_id)\"";
4102                                 $inner_title_class = "catTitle";
4103                         } else {
4104                                 $browse_cat_link = "";
4105                                 $inner_title_class = "catTitleNL";
4106                         }
4107
4108                         if ($cat_id > 0) {
4109                                 $cat_class = "feedCat";
4110                         } else {
4111                                 $cat_class = "virtCat";
4112                         }
4113
4114                         print "<li class=\"$cat_class\" id=\"FCAT-$cat_id\">
4115                                 <img onclick=\"toggleCollapseCat($cat_id)\" class=\"catCollapse\"
4116                                         title=\"".__('Click to collapse category')."\"
4117                                         src=\"images/cat-collapse.png\"><span class=\"$inner_title_class\"
4118                                         id=\"FCATN-$cat_id\" $browse_cat_link
4119                                 \">$tmp_category</span>";
4120
4121                         print "<span id=\"FCAP-$cat_id\">";
4122
4123                         print " <span id=\"FCATCTR-$cat_id\"
4124                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4125
4126                         print "</span>";
4127
4128                         //print "</li>";
4129
4130                         print "<ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4131
4132         }
4133
4134         function outputFeedList($link, $tags = false) {
4135
4136                 print "<ul class=\"feedList\" id=\"feedList\">";
4137
4138                 $owner_uid = $_SESSION["uid"];
4139
4140                 /* virtual feeds */
4141
4142                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4143
4144                         if ($_COOKIE["ttrss_vf_vclps"] == 1) {
4145                                 $cat_hidden = true;
4146                         } else {
4147                                 $cat_hidden = false;
4148                         }
4149
4150                         printCategoryHeader($link, -1, $cat_hidden, false);
4151                 }
4152
4153                 if (defined('_ENABLE_DASHBOARD')) {
4154                         printFeedEntry(-4, "virt", __("Dashboard"), 0,
4155                                 "images/tag.png", $link);
4156                 }
4157
4158                 $num_starred = getFeedUnread($link, -1);
4159                 $num_published = getFeedUnread($link, -2);
4160                 $num_fresh = getFeedUnread($link, -3);
4161
4162                 $class = "virt";
4163
4164                 if ($num_fresh > 0) $class .= "Unread";
4165
4166                 printFeedEntry(-3, $class, __("Fresh articles"), $num_fresh,
4167                         "images/fresh.png", $link);
4168
4169                 $class = "virt";
4170
4171                 if ($num_starred > 0) $class .= "Unread";
4172
4173                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4174
4175                 if ($is_ie) {
4176                         $mark_img_ext = "gif";
4177                 } else {
4178                         $mark_img_ext = "png";
4179                 }
4180
4181                 printFeedEntry(-1, $class, __("Starred articles"), $num_starred,
4182                         "images/mark_set.$mark_img_ext", $link);
4183
4184                 $class = "virt";
4185
4186                 if ($num_published > 0) $class .= "Unread";
4187
4188                 printFeedEntry(-2, $class, __("Published articles"), $num_published,
4189                         "images/pub_set.gif", $link);
4190
4191                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4192                         print "</ul></li>";
4193                 }
4194
4195                 if (!$tags) {
4196
4197                         if (GLOBAL_ENABLE_LABELS && get_pref($link, 'ENABLE_LABELS')) {
4198
4199                                 $result = db_query($link, "SELECT id,sql_exp,description FROM
4200                                         ttrss_labels WHERE owner_uid = '$owner_uid' ORDER by description");
4201
4202                                 if (db_num_rows($result) > 0) {
4203                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4204
4205                                                 if ($_COOKIE["ttrss_vf_lclps"] == 1) {
4206                                                         $cat_hidden = true;
4207                                                 } else {
4208                                                         $cat_hidden = false;
4209                                                 }
4210
4211                                                 printCategoryHeader($link, -2, $cat_hidden, false);
4212
4213                                         } else {
4214                                                 print "<li><hr></li>";
4215                                         }
4216                                 }
4217
4218                                 while ($line = db_fetch_assoc($result)) {
4219
4220                                         error_reporting (0);
4221
4222                                         $label_id = -$line['id'] - 11;
4223                                         $count = getFeedUnread($link, $label_id);
4224
4225                                         $class = "label";
4226
4227                                         if ($count > 0) {
4228                                                 $class .= "Unread";
4229                                         }
4230
4231                                         error_reporting (DEFAULT_ERROR_LEVEL);
4232
4233                                         printFeedEntry($label_id,
4234                                                 $class, $line["description"],
4235                                                 $count, "images/label.png", $link);
4236
4237                                 }
4238
4239                                 if (db_num_rows($result) > 0) {
4240                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4241                                                 print "</ul>";
4242                                         }
4243                                 }
4244
4245                         }
4246
4247                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4248                                 print "<li><hr></li>";
4249                         }
4250
4251                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4252                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4253                                         $order_by_qpart = "order_id,category,unread DESC,title";
4254                                 } else {
4255                                         $order_by_qpart = "order_id,category,title";
4256                                 }
4257                         } else {
4258                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4259                                         $order_by_qpart = "unread DESC,title";
4260                                 } else {
4261                                         $order_by_qpart = "title";
4262                                 }
4263                         }
4264
4265                         $age_qpart = getMaxAgeSubquery();
4266
4267                         $query = "SELECT ttrss_feeds.*,
4268                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4269                                 (SELECT COUNT(id) FROM ttrss_entries,ttrss_user_entries
4270                                         WHERE feed_id = ttrss_feeds.id AND unread = true
4271                                                 AND $age_qpart
4272                                                 AND ttrss_user_entries.ref_id = ttrss_entries.id
4273                                                 AND owner_uid = '$owner_uid') as unread,
4274                                 cat_id,last_error,
4275                                 ttrss_feed_categories.title AS category,
4276                                 ttrss_feed_categories.collapsed
4277                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4278                                         ON (ttrss_feed_categories.id = cat_id)
4279                                 WHERE
4280                                         ttrss_feeds.hidden = false AND
4281                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4282                                 ORDER BY $order_by_qpart";
4283
4284                         $result = db_query($link, $query);
4285
4286                         $actid = $_GET["actid"];
4287
4288                         /* real feeds */
4289
4290                         $lnum = 0;
4291
4292                         $total_unread = 0;
4293
4294                         $category = "";
4295
4296                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4297
4298                         while ($line = db_fetch_assoc($result)) {
4299
4300                                 $feed = trim($line["title"]);
4301
4302                                 if (!$feed) $feed = "[Untitled]";
4303
4304                                 $feed_id = $line["id"];
4305
4306                                 $subop = $_GET["subop"];
4307
4308                                 $unread = $line["unread"];
4309
4310                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4311                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4312                                 } else {
4313                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4314                                 }
4315
4316                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4317
4318                                 if ($rtl_content) {
4319                                         $rtl_tag = "dir=\"RTL\"";
4320                                 } else {
4321                                         $rtl_tag = "";
4322                                 }
4323
4324                                 $tmp_result = db_query($link,
4325                                         "SELECT id,COUNT(unread) AS unread
4326                                         FROM ttrss_feeds LEFT JOIN ttrss_user_entries
4327                                                 ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
4328                                         WHERE parent_feed = '$feed_id' AND unread = true
4329                                         GROUP BY ttrss_feeds.id");
4330
4331                                 if (db_num_rows($tmp_result) > 0) {
4332                                         while ($l = db_fetch_assoc($tmp_result)) {
4333                                                 $unread += $l["unread"];
4334                                         }
4335                                 }
4336
4337                                 $cat_id = $line["cat_id"];
4338
4339                                 $tmp_category = $line["category"];
4340
4341                                 if (!$tmp_category) {
4342                                         $tmp_category = __("Uncategorized");
4343                                 }
4344
4345         //                      $class = ($lnum % 2) ? "even" : "odd";
4346
4347                                 if ($line["last_error"]) {
4348                                         $class = "error";
4349                                 } else {
4350                                         $class = "feed";
4351                                 }
4352
4353                                 if ($unread > 0) $class .= "Unread";
4354
4355                                 if ($actid == $feed_id) {
4356                                         $class .= "Selected";
4357                                 }
4358
4359                                 $total_unread += $unread;
4360
4361                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4362
4363                                         if ($category) {
4364                                                 print "</ul></li>";
4365                                         }
4366
4367                                         $category = $tmp_category;
4368
4369                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4370
4371                                         // workaround for NULL category
4372                                         if ($category == __("Uncategorized")) {
4373                                                 if ($_COOKIE["ttrss_vf_uclps"] == 1) {
4374                                                         $collapsed = "t";
4375                                                 }
4376                                         }
4377
4378                                         $cat_id = sprintf("%d", $cat_id);
4379
4380                                         printCategoryHeader($link, $cat_id, $collapsed, true);
4381
4382                                 }
4383
4384                                 printFeedEntry($feed_id, $class, $feed, $unread,
4385                                         ICONS_URL."/$feed_id.ico", $link, $rtl_content,
4386                                         $last_updated, $line["last_error"]);
4387
4388                                 ++$lnum;
4389                         }
4390
4391                         if (db_num_rows($result) == 0) {
4392                                 print "<li>".__('No feeds to display.')."</li>";
4393                         }
4394
4395                 } else {
4396
4397                         // tags
4398
4399 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4400                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4401                                 post_int_id = ttrss_user_entries.int_id AND
4402                                 unread = true AND ref_id = ttrss_entries.id
4403                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4404                         UNION
4405                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4406                         ORDER BY tag_name"); */
4407
4408                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4409                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4410                                 print "<ul class=\"feedCatList\">";
4411                         }
4412
4413                         $age_qpart = getMaxAgeSubquery();
4414
4415                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4416                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4417                                         AND ref_id = id AND $age_qpart
4418                                         AND unread = true)) AS count FROM ttrss_tags
4419                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4420                                         ORDER BY count DESC LIMIT 50");
4421
4422                         $tags = array();
4423
4424                         while ($line = db_fetch_assoc($result)) {
4425                                 $tags[$line["tag_name"]] += $line["count"];
4426                         }
4427
4428                         foreach (array_keys($tags) as $tag) {
4429
4430                                 $unread = $tags[$tag];
4431
4432                                 $class = "tag";
4433
4434                                 if ($unread > 0) {
4435                                         $class .= "Unread";
4436                                 }
4437
4438                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4439
4440                         }
4441
4442                         if (db_num_rows($result) == 0) {
4443                                 print "<li>No tags to display.</li>";
4444                         }
4445
4446                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4447                                 print "</ul>";
4448                         }
4449
4450                 }
4451
4452                 print "</ul>";
4453
4454         }
4455
4456         function get_article_tags($link, $id, $owner_uid = 0) {
4457
4458                 $a_id = db_escape_string($id);
4459
4460                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4461
4462                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name,
4463                         owner_uid as owner FROM
4464                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4465                                 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
4466
4467                 $tags = array();
4468
4469                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4470                         array_push($tags, $tmp_line["tag_name"]);
4471                 }
4472
4473                 return $tags;
4474         }
4475
4476         function trim_value(&$value) {
4477                 $value = trim($value);
4478         }
4479
4480         function trim_array($array) {
4481                 $tmp = $array;
4482                 array_walk($tmp, 'trim_value');
4483                 return $tmp;
4484         }
4485
4486         function tag_is_valid($tag) {
4487                 if ($tag == '') return false;
4488                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4489
4490                 $tag = iconv("utf-8", "utf-8", $tag);
4491                 if (!$tag) return false;
4492
4493                 return true;
4494         }
4495
4496         function render_login_form($link, $mobile = false) {
4497                 if (!$mobile) {
4498                         require_once "login_form.php";
4499                 } else {
4500                         require_once "mobile/login_form.php";
4501                 }
4502         }
4503
4504         // from http://developer.apple.com/internet/safari/faq.html
4505         function no_cache_incantation() {
4506                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4507                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4508                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4509                 header("Cache-Control: post-check=0, pre-check=0", false);
4510                 header("Pragma: no-cache"); // HTTP/1.0
4511         }
4512
4513         function format_warning($msg, $id = "") {
4514                 return "<div class=\"warning\" id=\"$id\">
4515                         <img src=\"images/sign_excl.gif\">$msg</div>";
4516         }
4517
4518         function format_notice($msg) {
4519                 return "<div class=\"notice\">
4520                         <img src=\"images/sign_info.gif\">$msg</div>";
4521         }
4522
4523         function format_error($msg) {
4524                 return "<div class=\"error\">
4525                         <img src=\"images/sign_excl.gif\">$msg</div>";
4526         }
4527
4528         function print_notice($msg) {
4529                 return print format_notice($msg);
4530         }
4531
4532         function print_warning($msg) {
4533                 return print format_warning($msg);
4534         }
4535
4536         function print_error($msg) {
4537                 return print format_error($msg);
4538         }
4539
4540
4541         function T_sprintf() {
4542                 $args = func_get_args();
4543                 return vsprintf(__(array_shift($args)), $args);
4544         }
4545
4546         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4547                 $zoom_mode = false) {
4548
4549                 /* we can figure out feed_id from article id anyway, why do we
4550                  * pass feed_id here? */
4551
4552                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4553                         WHERE ref_id = '$id'");
4554
4555                 $feed_id = db_fetch_result($result, 0, "feed_id");
4556
4557                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4558
4559                 $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4560                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4561
4562                 if (db_num_rows($result) == 1) {
4563                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4564                 } else {
4565                         $rtl_content = false;
4566                 }
4567
4568                 if ($rtl_content) {
4569                         $rtl_tag = "dir=\"RTL\"";
4570                         $rtl_class = "RTL";
4571                 } else {
4572                         $rtl_tag = "";
4573                         $rtl_class = "";
4574                 }
4575
4576                 if ($mark_as_read) {
4577                         $result = db_query($link, "UPDATE ttrss_user_entries
4578                                 SET unread = false,last_read = NOW()
4579                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4580                 }
4581
4582                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4583                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4584                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4585                         num_comments,
4586                         author
4587                         FROM ttrss_entries,ttrss_user_entries
4588                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4589
4590                 if ($result) {
4591
4592                         $link_target = "";
4593
4594                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4595                                 $link_target = "target=\"_blank\"";
4596                         }
4597
4598                         $line = db_fetch_assoc($result);
4599
4600                         if ($line["icon_url"]) {
4601                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4602                         } else {
4603                                 $feed_icon = "&nbsp;";
4604                         }
4605
4606 /*                      if ($line["comments"] && $line["link"] != $line["comments"]) {
4607                                 $entry_comments = "(<a href=\"".$line["comments"]."\">Comments</a>)";
4608                         } else {
4609                                 $entry_comments = "";
4610                         } */
4611
4612                         $num_comments = $line["num_comments"];
4613                         $entry_comments = "";
4614
4615                         if ($num_comments > 0) {
4616                                 if ($line["comments"]) {
4617                                         $comments_url = $line["comments"];
4618                                 } else {
4619                                         $comments_url = $line["link"];
4620                                 }
4621                                 $entry_comments = "<a $link_target href=\"$comments_url\">$num_comments comments</a>";
4622                         } else {
4623                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4624                                         $entry_comments = "<a $link_target href=\"".$line["comments"]."\">comments</a>";
4625                                 }
4626                         }
4627
4628                         if ($zoom_mode) {
4629                                 header("Content-Type: text/html");
4630                                 print "<html><head>
4631                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4632                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4633                                         </head><body>";
4634                         }
4635
4636
4637                         print "<div class=\"postReply\">";
4638
4639                         print "<div class=\"postHeader\" onmouseover=\"enable_resize(true)\"
4640                                 onmouseout=\"enable_resize(false)\">";
4641
4642                         $entry_author = $line["author"];
4643
4644                         if ($entry_author) {
4645                                 $entry_author = __(" - ") . $entry_author;
4646                         }
4647
4648                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4649                                 strtotime($line["updated"]));
4650
4651                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4652
4653                         if ($line["link"]) {
4654                                 print "<div clear='both'><a $link_target href=\"" . $line["link"] . "\">" .
4655                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4656                         } else {
4657                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4658                         }
4659
4660 /*                      $tmp_result = db_query($link, "SELECT DISTINCT tag_name FROM
4661                                 ttrss_tags WHERE post_int_id = " . $line["int_id"] . "
4662                                 ORDER BY tag_name"); */
4663
4664                         $tags = get_article_tags($link, $id);
4665
4666                         $tags_str = "";
4667                         $tags_nolinks_str = "";
4668                         $f_tags_str = "";
4669
4670                         $num_tags = 0;
4671
4672                         if ($_SESSION["theme"] == "3pane") {
4673                                 $tag_limit = 3;
4674                         } else {
4675                                 $tag_limit = 6;
4676                         }
4677
4678                         foreach ($tags as $tag) {
4679                                 $num_tags++;
4680                                 $tag_escaped = str_replace("'", "\\'", $tag);
4681
4682                                 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>, ";
4683
4684                                 if ($num_tags == $tag_limit) {
4685                                         $tags_str .= "&hellip;";
4686                                         $tags_nolinks_str .= "&hellip;";
4687
4688                                 } else if ($num_tags < $tag_limit) {
4689                                         $tags_str .= $tag_str;
4690                                         $tags_nolinks_str .= "$tag, ";
4691                                 }
4692                                 $f_tags_str .= $tag_str;
4693                         }
4694
4695                         $tags_str = preg_replace("/, $/", "", $tags_str);
4696                         $tags_nolinks_str = preg_replace("/, $/", "", $tags_nolinks_str);
4697                         $f_tags_str = preg_replace("/, $/", "", $f_tags_str);
4698
4699                         $all_tags_div = "<span class='cdmAllTagsCtr'>&hellip;<div class='cdmAllTags'>All Tags: $f_tags_str</div></span>";
4700                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
4701
4702                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4703
4704                         if (!$tags_str) $tags_str = '<span class="tagList">'.__('no tags').'</span>';
4705                         if (!$tags_nolinks_str) $tags_nolinks_str = '<span class="tagList">'.__('no tags').'</span>';
4706
4707                         print "<div style='float : right'>
4708                                         <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>";
4709
4710                         if (!$zoom_mode) {
4711                                 print "$tags_str
4712                                         <a title=\"".__('Edit tags for this article')."\"
4713                                                 href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a>
4714                                         <img src=\"images/art-zoom.png\" class='tagsPic'
4715                                                 style=\"cursor : pointer\"
4716                                                 onclick=\"zoomToArticle($id)\"
4717                                                 alt='Zoom' title='".__('Show article summary in new window')."'>";
4718                         } else {
4719                                 print "$tags_nolinks_str";
4720                         }
4721                         print "</div>";
4722                         print "<div clear='both'>$entry_comments</div>";
4723
4724                         print "</div>";
4725
4726                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4727                         print "<div class=\"postContent\">";
4728
4729                         #print "<div id=\"allEntryTags\">".__('Tags:')." $f_tags_str</div>";
4730
4731                         $line["content"] = sanitize_rss($link, $line["content"]);
4732
4733                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4734                                 $line["content"] = preg_replace("/href=/i", "target=\"_blank\" href=", $line["content"]);
4735                         }
4736
4737                         print $line["content"];
4738
4739                         $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4740                                 post_id = '$id' AND content_url != ''");
4741
4742                         if (db_num_rows($result) > 0) {
4743                                 print "<div class=\"postEnclosures\">";
4744
4745                                 if (db_num_rows($result) == 1) {
4746                                         print __("Attachment:") . " ";
4747                                 } else {
4748                                         print __("Attachments:") . " ";
4749                                 }
4750
4751                                 $entries = array();
4752
4753                                 while ($line = db_fetch_assoc($result)) {
4754
4755                                         $url = $line["content_url"];
4756                                         $ctype = $line["content_type"];
4757
4758                                         if (!$ctype) $ctype = __("unknown type");
4759
4760                                         $filename = substr($url, strrpos($url, "/")+1);
4761
4762                                         $entry = "";
4763
4764                                         if (($ctype == __("audio/mpeg")) &&
4765                                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4766
4767                                                 $entry .= "<object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object> ";
4768
4769                                         }
4770
4771                                         $entry .= "<a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4772                                                 $filename . " (" . $ctype . ")" . "</a>";
4773
4774                                         array_push($entries, $entry);
4775                                 }
4776
4777                                 print join(", ", $entries);
4778
4779                                 print "</div>";
4780                         }
4781
4782                         print "</div>";
4783
4784                         print "</div>";
4785
4786                 }
4787
4788                 if (!$zoom_mode) {
4789                         print "]]></article>";
4790                 } else {
4791                         print "
4792                                 <div style=\"text-align : center\">
4793                                 <input type=\"submit\" onclick=\"return window.close()\"
4794                                 value=\"".__("Close this window")."\"></div>";
4795                         print "</body></html>";
4796
4797                 }
4798
4799         }
4800
4801         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4802                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4803                                         $override_order = false) {
4804
4805                 $disable_cache = false;
4806
4807                 $timing_info = getmicrotime();
4808
4809                 $topmost_article_ids = array();
4810
4811                 if (!$offset) {
4812                         $offset = 0;
4813                 }
4814
4815                 if ($subop == "undefined") $subop = "";
4816
4817                 $subop_split = split(":", $subop);
4818
4819                 if ($subop == "CatchupSelected") {
4820                         $ids = split(",", db_escape_string($_GET["ids"]));
4821                         $cmode = sprintf("%d", $_GET["cmode"]);
4822
4823                         catchupArticlesById($link, $ids, $cmode);
4824                 }
4825
4826                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4827                         update_generic_feed($link, $feed, $cat_view, true);
4828                 }
4829
4830                 if ($subop == "MarkAllRead")  {
4831                         catchup_feed($link, $feed, $cat_view);
4832
4833                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4834                                 if ($next_unread_feed) {
4835                                         $feed = $next_unread_feed;
4836                                 }
4837                         }
4838                 }
4839
4840                 if ($subop_split[0] == "MarkAllReadGR")  {
4841                         catchup_feed($link, $subop_split[1], false);
4842                 }
4843
4844
4845                 if ($feed_id > 0) {
4846                         $result = db_query($link,
4847                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4848
4849                         if (db_num_rows($result) == 0) {
4850                                 print "<div align='center'>".__('Feed not found.')."</div>";
4851                                 return;
4852                         }
4853                 }
4854
4855                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4856
4857                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4858                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4859
4860                         if (db_num_rows($result) == 1) {
4861                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4862                         } else {
4863                                 $rtl_content = false;
4864                         }
4865
4866                         if ($rtl_content) {
4867                                 $rtl_tag = "dir=\"RTL\"";
4868                         } else {
4869                                 $rtl_tag = "";
4870                         }
4871                 } else {
4872                         $rtl_tag = "";
4873                         $rtl_content = false;
4874                 }
4875
4876                 $script_dt_add = get_script_dt_add();
4877
4878                 /// START /////////////////////////////////////////////////////////////////////////////////
4879
4880                 $search = db_escape_string($_GET["query"]);
4881
4882                 if ($search) {
4883                         $disable_cache = true;
4884                 }
4885
4886                 $search_mode = db_escape_string($_GET["search_mode"]);
4887                 $match_on = db_escape_string($_GET["match_on"]);
4888
4889                 if (!$match_on) {
4890                         $match_on = "both";
4891                 }
4892
4893                 $real_offset = $offset * $limit;
4894
4895                 if ($_GET["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4896
4897                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4898                         $search, $search_mode, $match_on, $override_order, $real_offset);
4899
4900                 if ($_GET["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4901
4902                 $result = $qfh_ret[0];
4903                 $feed_title = $qfh_ret[1];
4904                 $feed_site_url = $qfh_ret[2];
4905                 $last_error = $qfh_ret[3];
4906
4907                 $vgroup_last_feed = $vgr_last_feed;
4908
4909                 if ($feed == -2) {
4910                         $feed_site_url = article_publish_url($link);
4911                 }
4912
4913                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4914
4915                 if (!$offset) {
4916                         print "<div id=\"headlinesContainer\" $rtl_tag>";
4917
4918                         if (!$result) {
4919                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4920                                 return;
4921                         }
4922
4923                         print_headline_subtoolbar($link, $feed_site_url, $feed_title, false,
4924                                 $rtl_content, $feed, $cat_view, $search, $match_on, $search_mode,
4925                                 $offset, $limit);
4926
4927                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4928                 }
4929
4930                 $headlines_count = db_num_rows($result);
4931
4932                 if (db_num_rows($result) > 0) {
4933
4934 #                       print "\{$offset}";
4935
4936                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4937                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
4938                                         cellspacing=\"0\">";
4939                         }
4940
4941                         $lnum = $limit*$offset;
4942
4943                         error_reporting (DEFAULT_ERROR_LEVEL);
4944
4945                         $num_unread = 0;
4946                         $cur_feed_title = '';
4947
4948                         while ($line = db_fetch_assoc($result)) {
4949
4950                                 $class = ($lnum % 2) ? "even" : "odd";
4951
4952                                 $id = $line["id"];
4953                                 $feed_id = $line["feed_id"];
4954
4955                                 if (count($topmost_article_ids) < 5) {
4956                                         array_push($topmost_article_ids, $id);
4957                                 }
4958
4959                                 if ($line["last_read"] == "" &&
4960                                                 ($line["unread"] != "t" && $line["unread"] != "1")) {
4961
4962                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\"
4963                                                 alt=\"Updated\">";
4964                                 } else {
4965                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
4966                                                 alt=\"Updated\">";
4967                                 }
4968
4969                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
4970                                         $class .= "Unread";
4971                                         ++$num_unread;
4972                                         $is_unread = true;
4973                                 } else {
4974                                         $is_unread = false;
4975                                 }
4976
4977                                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4978
4979                                 if ($is_ie) {
4980                                         $mark_img_ext = "gif";
4981                                 } else {
4982                                         $mark_img_ext = "png";
4983                                 }
4984
4985                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
4986                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.$mark_img_ext\"
4987                                                 class=\"markedPic\"
4988                                                 alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
4989                                 } else {
4990                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.$mark_img_ext\"
4991                                                 class=\"markedPic\"
4992                                                 alt=\"Star article\" onclick='javascript:tMark($id)'>";
4993                                 }
4994
4995                                 if ($line["published"] == "t" || $line["published"] == "1") {
4996                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\"
4997                                                 class=\"markedPic\"
4998                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
4999                                 } else {
5000                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\"
5001                                                 class=\"markedPic\"
5002                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
5003                                 }
5004
5005 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
5006 #                                       $line["title"] . "</a>";
5007
5008 #                               $content_link = "<a
5009 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
5010 #                                       onclick=\"view($id,$feed_id);\">" .
5011 #                                       $line["title"] . "</a>";
5012
5013 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
5014 #                                       $line["title"] . "</a>";
5015
5016                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
5017                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
5018                                 } else {
5019                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
5020                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
5021                                 }
5022
5023                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5024                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
5025                                                 100);
5026                                 }
5027
5028                                 $score = $line["score"];
5029
5030                                 $score_pic = get_score_pic($score);
5031
5032                                 $score_title = __("(Click to change)");
5033
5034                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5035                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">";
5036
5037                                 if ($score > 500) {
5038                                         $hlc_suffix = "H";
5039                                 } else if ($score < -100) {
5040                                         $hlc_suffix = "L";
5041                                 } else {
5042                                         $hlc_suffix = "";
5043                                 }
5044
5045                                 $entry_author = $line["author"];
5046
5047                                 if ($entry_author) {
5048                                         $entry_author = " - $entry_author";
5049                                 }
5050
5051                                 $has_feed_icon = is_file(ICONS_DIR . "/$feed_id.ico");
5052
5053                                 if ($has_feed_icon) {
5054                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5055                                 } else {
5056                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5057                                 }
5058
5059                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5060
5061                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5062                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5063
5064                                                         $cur_feed_title = $line["feed_title"];
5065                                                         $vgroup_last_feed = $feed_id;
5066
5067                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5068
5069                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>mark as read</a>)";
5070
5071                                                         print "<tr class='feedTitle'><td colspan='7'>".
5072                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5073                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5074                                                                 $line["feed_title"]."</a> $vf_catchup_link</td></tr>";
5075                                                 }
5076                                         }
5077
5078                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5079                                                 onmouseout='postMouseOut($id)'";
5080
5081                                         print "<tr class='$class' id='RROW-$id' $mouseover_attrs>";
5082
5083                                         print "<td class='hlUpdPic'>$update_pic</td>";
5084
5085                                         print "<td class='hlSelectRow'>
5086                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
5087                                                         id=\"RCHK-$id\">
5088                                                 </td>";
5089
5090                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
5091                                         print "<td class='hlMarkedPic'>$published_pic</td>";
5092
5093 #                                       if ($line["feed_title"]) {
5094 #                                               print "<td class='hlContent'>$content_link</td>";
5095 #                                               print "<td class='hlFeed'>
5096 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5097 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
5098 #                                       } else {
5099
5100                                         print "<td onclick='view($id,$feed_id)' class='hlContent$hlc_suffix' valign='middle'>";
5101
5102                                         print "<a id=\"RTITLE-$id\"
5103                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5104                                                 onclick=\"return view($id,$feed_id);\">" .
5105                                                 $line["title"];
5106
5107                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5108                                                 if ($content_preview) {
5109                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5110                                                 }
5111                                         }
5112
5113                                         print "</a>";
5114
5115 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5116 #                                                       $line["feed_title"]."</a>
5117
5118                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5119                                                 if ($line["feed_title"]) {
5120                                                         print "<span class=\"hlFeed\">
5121                                                                 (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5122                                                                 $line["feed_title"]."</a>)
5123                                                         </span>";
5124                                                 }
5125                                         }
5126                                         print "</td>";
5127
5128 #                                       }
5129
5130                                         print "<td class=\"hlUpdated\" onclick='view($id,$feed_id)'><nobr>$updated_fmt&nbsp;</nobr></td>";
5131
5132                                         print "<td class='hlMarkedPic'>$score_pic</td>";
5133
5134                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5135                                                 print "<td onclick=\"viewfeed($feed_id)\" class=\"hlFeedIcon\">$feed_icon_img</td>";
5136                                         }
5137
5138                                         print "</tr>";
5139
5140                                 } else {
5141
5142                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5143                                                 if ($feed_id != $vgroup_last_feed) {
5144
5145                                                         $cur_feed_title = $line["feed_title"];
5146                                                         $vgroup_last_feed = $feed_id;
5147
5148                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5149
5150                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>mark as read</a>)";
5151
5152                                                         $has_feed_icon = is_file(ICONS_DIR . "/$feed_id.ico");
5153
5154                                                         if ($has_feed_icon) {
5155                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5156                                                         } else {
5157                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5158                                                         }
5159
5160                                                         print "<div class='cdmFeedTitle'>".
5161                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5162                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5163                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5164                                                 }
5165                                         }
5166
5167                                         if ($is_unread) {
5168                                                 $add_class = "Unread";
5169                                         } else {
5170                                                 $add_class = "";
5171                                         }
5172
5173                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5174                                         $show_excerpt = false;
5175
5176                                         if ($expand_cdm && $score >= -100) {
5177                                                 $cdm_cstyle = "";
5178                                                 $show_excerpt = false;
5179                                         } else {
5180                                                 $cdm_cstyle = "style=\"display : none\"";
5181                                                 $show_excerpt = true;
5182                                         }
5183
5184                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5185                                                 onmouseout='postMouseOut($id)'";
5186
5187                                         print "<div class=\"cdmArticle$add_class\"
5188                                                 id=\"RROW-$id\"
5189                                                 $mouseover_attrs'>";
5190
5191                                         print "<div class=\"cdmHeader\">";
5192
5193                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") || !$line["feed_title"]) {
5194                                                 $cdm_feed_icon = "<span style=\"cursor : pointer\" onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5195                                         }
5196
5197                                         print "<div class=\"articleUpdated\">$updated_fmt $score_pic $cdm_feed_icon
5198                                                 </div>";
5199
5200                                         print "<span id=\"RTITLE-$id\" class=\"titleWrap$hlc_suffix\"><a class=\"title\"
5201                                                 onclick=\"javascript:toggleUnread($id, 0)\"
5202                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5203                                                 ";
5204
5205                                         print $entry_author;
5206
5207 /*                                      if (!$expand_cdm || $score < -100) {
5208                                                 print "&nbsp;<a id=\"CICH-$id\"
5209                                                         href=\"javascript:cdmExpandArticle($id)\">
5210                                                         (".__('Show article').")</a>";
5211                                         } */
5212
5213
5214                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5215                                                 if ($line["feed_title"]) {
5216                                                         print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
5217                                                 }
5218                                         }
5219
5220                                         print "</span></div>";
5221
5222                                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
5223                                                 $line["content_preview"] = preg_replace("/href=/i",
5224                                                         "target=\"_blank\" href=", $line["content_preview"]);
5225                                         }
5226
5227                                         if ($show_excerpt) {
5228                                                 print "<div class=\"cdmExcerpt\" id=\"CEXC-$id\"
5229                                                         onclick=\"cdmExpandArticle($id)\"
5230                                                         title=\"".__('Click to expand article')."\">";
5231                                                 print truncate_string(strip_tags($line["content_preview"]), 100);
5232                                                 print "</div>";
5233                                         }
5234
5235                                         print "<div class=\"cdmContent\"
5236                                                 onclick=\"cdmClicked($id)\"
5237                                                 id=\"CICD-$id\" $cdm_cstyle>";
5238
5239 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
5240
5241                                         print sanitize_rss($link, $line["content_preview"]);
5242
5243                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
5244                                                 post_id = '$id' AND content_url != ''");
5245
5246                                         if (db_num_rows($e_result) > 0) {
5247                                 print "<div class=\"cdmEnclosures\">";
5248
5249                                 if (db_num_rows($e_result) == 1) {
5250                                         print __("Attachment:") . " ";
5251                                 } else {
5252                                         print __("Attachments:") . " ";
5253                                 }
5254
5255                                 $entries = array();
5256
5257                                 while ($e_line = db_fetch_assoc($e_result)) {
5258
5259                                         $url = $e_line["content_url"];
5260                                         $ctype = $e_line["content_type"];
5261                                         if (!$ctype) $ctype = __("unknown type");
5262
5263                                         $filename = substr($url, strrpos($url, "/")+1);
5264
5265                                         $entry = "";
5266
5267                                         if (($ctype == __("audio/mpeg")) &&
5268                                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
5269
5270                                                 $entry .= "<object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object> ";
5271
5272                                         }
5273
5274                                         $entry .= "<a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5275                                                 $filename . " (" . $ctype . ")" . "</a>";
5276
5277                                         array_push($entries, $entry);
5278                                 }
5279
5280                                 print join(", ", $entries);
5281
5282                                 print "</div>";
5283                         }
5284
5285                                         print "<br clear='both'>";
5286 //                                      print "</div>";
5287
5288 /*                                      if (!$expand_cdm) {
5289                                                 print "<a id=\"CICH-$id\"
5290                                                         href=\"javascript:cdmExpandArticle($id)\">
5291                                                         Show article</a>";
5292                                         } */
5293
5294                                         print "</div>";
5295
5296                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5297
5298                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5299
5300                                         print __("Select:").
5301                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5302                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5303
5304                                         print "</span><span class='s1'>$marked_pic</span> ";
5305                                         print "<span class='s1'>$published_pic</span> ";
5306                                         print "<span class='s1'><img src=\"images/art-zoom.png\" class='tagsPic'
5307                                                 onclick=\"zoomToArticle($id)\"
5308                                                 style=\"cursor : pointer\"
5309                                                 alt='Zoom'
5310                                                 title='".__('Show article summary in new window')."'></span>";
5311
5312                                         $tags = get_article_tags($link, $id);
5313
5314                                         $tags_str = "";
5315                                         $full_tags_str = "";
5316                                         $num_tags = 0;
5317
5318                                         foreach ($tags as $tag) {
5319                                                 $num_tags++;
5320                                                 $full_tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
5321                                                 if ($num_tags < 5) {
5322                                                         $tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
5323                                                 } else if ($num_tags == 5) {
5324                                                         $tags_str .= "&hellip;";
5325                                                 }
5326                                         }
5327
5328                                         $tags_str = preg_replace("/, $/", "", $tags_str);
5329                                         $full_tags_str = preg_replace("/, $/", "", $full_tags_str);
5330
5331                                         $all_tags_div = "<span class='cdmAllTagsCtr'>&hellip;<div class='cdmAllTags'>All Tags: $full_tags_str</div></span>";
5332
5333                                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
5334
5335
5336                                         if ($tags_str == "") $tags_str = "no tags";
5337
5338 //                                      print "<img src='images/tag.png' class='markedPic'>";
5339
5340                                         print "<span class='s1'>
5341                                                 <img class='tagsPic' src='images/tag.png' alt='Tags'
5342                                                         title='Tags'> $tags_str <a title=\"Edit tags for this article\"
5343                                                         href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5344
5345                                         print "</span>";
5346
5347                                         print "<span class='s2'>Toggle: <a class=\"cdmToggleLink\"
5348                                                         href=\"javascript:toggleUnread($id)\">
5349                                                         Unread</a></span>";
5350
5351                                         print "</div>";
5352                                         print "</div>";
5353
5354                                 }
5355
5356                                 ++$lnum;
5357                         }
5358
5359                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5360                                 print "</table>";
5361                         }
5362
5363 //                      print_headline_subtoolbar($link,
5364 //                              "javascript:catchupPage()", "Mark page as read", true, $rtl_content);
5365
5366
5367                 } else {
5368                         $message = "";
5369
5370                         switch ($view_mode) {
5371                                 case "unread":
5372                                         $message = __("No unread articles found to display.");
5373                                         break;
5374                                 case "marked":
5375                                         $message = __("No starred articles found to display.");
5376                                         break;
5377                                 default:
5378                                         $message = __("No articles found to display.");
5379                         }
5380
5381                         if (!$offset) print "<div class='whiteBox'>$message</div>";
5382                 }
5383
5384                 if (!$offset) {
5385                         print "</div>";
5386                         print "</div>";
5387                 }
5388
5389                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5390         }
5391
5392 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5393
5394         function printTagCloud($link) {
5395
5396                 /* get first ref_id to count from */
5397
5398                 /*
5399
5400                 $query = "";
5401
5402                 if (DB_TYPE == "pgsql") {
5403                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
5404                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
5405                                 AND date_entered > NOW() - INTERVAL '30 days'";
5406                 } else {
5407                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
5408                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
5409                                 AND date_entered > DATE_SUB(NOW(), INTERVAL 30 DAY)";
5410                 }
5411
5412                 $result = db_query($link, $query);
5413                 $first_id = db_fetch_result($result, 0, "id"); */
5414
5415                 //AND post_int_id >= '$first_id'
5416                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5417                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5418                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5419
5420                 $result = db_query($link, $query);
5421
5422                 $tags = array();
5423
5424                 while ($line = db_fetch_assoc($result)) {
5425                         $tags[$line["tag_name"]] = $line["count"];
5426                 }
5427
5428                 ksort($tags);
5429
5430                 $max_size = 32; // max font size in pixels
5431                 $min_size = 11; // min font size in pixels
5432
5433                 // largest and smallest array values
5434                 $max_qty = max(array_values($tags));
5435                 $min_qty = min(array_values($tags));
5436
5437                 // find the range of values
5438                 $spread = $max_qty - $min_qty;
5439                 if ($spread == 0) { // we don't want to divide by zero
5440                                 $spread = 1;
5441                 }
5442
5443                 // set the font-size increment
5444                 $step = ($max_size - $min_size) / ($spread);
5445
5446                 // loop through the tag array
5447                 foreach ($tags as $key => $value) {
5448                         // calculate font-size
5449                         // find the $value in excess of $min_qty
5450                         // multiply by the font-size increment ($size)
5451                         // and add the $min_size set above
5452                         $size = round($min_size + (($value - $min_qty) * $step));
5453
5454                         $key_escaped = str_replace("'", "\\'", $key);
5455
5456                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5457                                 $size . "px\" title=\"$value articles tagged with " .
5458                                 $key . '">' . $key . '</a> ';
5459                 }
5460         }
5461
5462         function print_checkpoint($n, $s) {
5463                 $ts = getmicrotime();
5464                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5465                 return $ts;
5466         }
5467
5468         function sanitize_tag($tag) {
5469                 $tag = trim($tag);
5470
5471                 $tag = mb_strtolower($tag, 'utf-8');
5472
5473                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5474
5475 //              $tag = str_replace('"', "", $tag);
5476 //              $tag = str_replace("+", " ", $tag);
5477                 $tag = str_replace("technorati tag: ", "", $tag);
5478
5479                 return $tag;
5480         }
5481
5482         function generate_publish_key() {
5483                 return sha1(uniqid(rand(), true));
5484         }
5485
5486         function article_publish_url($link) {
5487
5488                 $url_path = "";
5489
5490
5491                 if ($_SERVER['HTTPS'] != "on") {
5492                         $url_path = "http://";
5493                 } else {
5494                         $url_path = "https://";
5495                 }
5496
5497                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5498                 $url_path .= "/backend.php?op=publish&key=" . get_pref($link, "_PREFS_PUBLISH_KEY");
5499
5500                 return $url_path;
5501         }
5502
5503         /**
5504          * Purge a feed contents, marked articles excepted.
5505          *
5506          * @param mixed $link The database connection.
5507          * @param integer $id The id of the feed to purge.
5508          * @return void
5509          */
5510         function clear_feed_articles($link, $id) {
5511                 $result = db_query($link, "DELETE FROM ttrss_user_entries
5512                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5513
5514                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5515                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5516         } // function clear_feed_articles
5517
5518         /**
5519          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5520          *
5521          * @return string The Mozilla Firefox feed adding URL.
5522          */
5523         function add_feed_url() {
5524                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5525                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5526                 return $url_path;
5527         } // function add_feed_url
5528
5529         /**
5530          * Encrypt a password in SHA1.
5531          *
5532          * @param string $pass The password to encrypt.
5533          * @param string $login A optionnal login.
5534          * @return string The encrypted password.
5535          */
5536         function encrypt_password($pass, $login = '') {
5537                 if ($login) {
5538                         return "SHA1X:" . sha1("$login:$pass");
5539                 } else {
5540                         return "SHA1:" . sha1($pass);
5541                 }
5542         } // function encrypt_password
5543
5544         /**
5545          * Update a feed batch.
5546          * Used by daemons to update n feeds by run.
5547          * Only update feed needing a update, and not being processed
5548          * by another process.
5549          *
5550          * @param mixed $link Database link
5551          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5552          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5553          * @param boolean $debug Set to false to disable debug output. Default to true.
5554          * @return void
5555          */
5556         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5557                 // Process all other feeds using last_updated and interval parameters
5558
5559                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5560                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5561                         if (DB_TYPE == "pgsql") {
5562                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5563                         } else {
5564                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5565                         }
5566                 } else {
5567                         $login_thresh_qpart = "";
5568                 }
5569
5570                 // Test if the feed need a update (update interval exceded).
5571                 if (DB_TYPE == "pgsql") {
5572                         $update_limit_qpart = "AND ((
5573                                         ttrss_feeds.update_interval = 0
5574                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5575                                 ) OR (
5576                                         ttrss_feeds.update_interval > 0
5577                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5578                                 ) OR ttrss_feeds.last_updated IS NULL)";
5579                 } else {
5580                         $update_limit_qpart = "AND ((
5581                                         ttrss_feeds.update_interval = 0
5582                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5583                                 ) OR (
5584                                         ttrss_feeds.update_interval > 0
5585                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5586                                 ) OR ttrss_feeds.last_updated IS NULL)";
5587                 }
5588
5589                 // Test if feed is currently being updated by another process.
5590                 if (DB_TYPE == "pgsql") {
5591                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5592                 } else {
5593                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5594                 }
5595
5596                 // Test if there is a limit to number of updated feeds
5597                 $query_limit = "";
5598                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5599
5600                 $random_qpart = sql_random_function();
5601
5602                 // We search for feed needing update.
5603                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5604                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5605                                 ttrss_feeds.update_interval
5606                         FROM
5607                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5608                         WHERE
5609                                 ttrss_feeds.owner_uid = ttrss_users.id
5610                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5611                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5612                                 $login_thresh_qpart $update_limit_qpart
5613                          $updstart_thresh_qpart
5614                         ORDER BY $random_qpart $query_limit");
5615
5616                 $user_prefs_cache = array();
5617
5618                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5619
5620                 // Here is a little cache magic in order to minimize risk of double feed updates.
5621                 $feeds_to_update = array();
5622                 while ($line = db_fetch_assoc($result)) {
5623                         $feeds_to_update[$line['id']] = $line;
5624                 }
5625
5626                 // We update the feed last update started date before anything else.
5627                 // There is no lag due to feed contents downloads
5628                 // It prevent an other process to update the same feed.
5629                 $feed_ids = array_keys($feeds_to_update);
5630                 if($feed_ids) {
5631                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5632                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5633                 }
5634
5635                 // For each feed, we call the feed update function.
5636                 while ($line = array_pop($feeds_to_update)) {
5637
5638                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5639
5640                         // We setup a alarm to alert if the feed take more than 300s to update.
5641                         // => HANG alarm.
5642                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(300);
5643                         update_rss_feed($link, $line["feed_url"], $line["id"], true);
5644                         // Cancel the alarm (the update went well)
5645                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(0);
5646
5647                         sleep(1); // prevent flood (FIXME make this an option?)
5648                 }
5649
5650         // Send feed digests by email if needed.
5651         if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5652
5653         } // function update_daemon_common
5654
5655         function generate_dashboard_feed($link) {
5656
5657                 print "<div id=\"headlinesContainer\">";
5658
5659                 print_headline_subtoolbar($link, "", "Dashboard",
5660                         false, false, -4, false, false, false,
5661                         false, 0, 0, true, true, "tag.png");
5662
5663                 print "<div id=\"headlinesInnerContainer\" class=\"dashboard\">";
5664                 print "<div>There is <b>666</b> unread articles in <b>666</b> feeds.</div>";
5665                 print "</div>";
5666
5667                 print "</div>";
5668
5669                 print "]]></headlines>";
5670                 print "<headlines-count value=\"0\"/>";
5671                 print "<headlines-unread value=\"0\"/>";
5672                 print "<disable-cache value=\"1\"/>";
5673
5674                 print "<articles>";
5675                 print "</articles>";
5676         }
5677
5678         function sanitize_article_content($text) {
5679                 # we don't support CDATA sections in articles, they break our own escaping
5680                 $text = preg_replace("/\[\[CDATA/", "", $text);
5681                 $text = preg_replace("/\]\]\>/", "", $text);
5682                 return $text;
5683         }
5684
5685         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5686                 $filters = array();
5687
5688                 if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5689
5690                 $result = db_query($link, "SELECT reg_exp,
5691                         ttrss_filter_types.name AS name,
5692                         ttrss_filter_actions.name AS action,
5693                         inverse,
5694                         action_param
5695                         FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5696                                 enabled = true AND
5697                                 $ftype_query_part
5698                                 owner_uid = $owner_uid AND
5699                                 ttrss_filter_types.id = filter_type AND
5700                                 ttrss_filter_actions.id = action_id AND
5701                                 (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5702
5703                 while ($line = db_fetch_assoc($result)) {
5704                         if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5705                                 $filter["reg_exp"] = $line["reg_exp"];
5706                                 $filter["action"] = $line["action"];
5707                                 $filter["action_param"] = $line["action_param"];
5708                                 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5709
5710                                 array_push($filters[$line["name"]], $filter);
5711                         }
5712
5713                 return $filters;
5714         }
5715
5716         function get_score_pic($score) {
5717                 if ($score > 100) {
5718                         return "score_high.png";
5719                 } else if ($score > 0) {
5720                         return "score_half_high.png";
5721                 } else if ($score < -100) {
5722                         return "score_low.png";
5723                 } else if ($score < 0) {
5724                         return "score_half_low.png";
5725                 } else {
5726                         return "score_neutral.png";
5727                 }
5728         }
5729
5730         function rounded_table_start($classname, $header = "&nbsp;") {
5731                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5732                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</tr>";
5733                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5734         }
5735
5736         function rounded_table_end($footer = "&nbsp;") {
5737                 print "</td><td class='right'>&nbsp;</td></tr>";
5738                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</tr>";
5739                 print "</table>";
5740         }
5741
5742         function print_label_dlg_common_examples() {
5743
5744                 print __("Match ") . " ";
5745
5746 /*              print "<select name=\"label_andor\">";
5747                 print "<option value=\"and\">AND</option>";
5748                 print "<option value=\"or\">OR</option>";
5749                 print "</select>"; */
5750
5751                 print "<select name=\"label_fields\" onchange=\"labelFieldsCheck(this)\">";
5752                 print "<option value=\"unread\">".__("Unread articles")."</option>";
5753                 print "<option value=\"updated\">".__("Updated articles")."</option>";
5754                 print "<option value=\"kw_title\">".__("Title contains")."</option>";
5755                 print "<option value=\"kw_content\">".__("Content contains")."</option>";
5756                 print "<option value=\"scoreE\">".__("Score equals")."</option>";
5757                 print "<option value=\"scoreG\">".__("Score is greater than")."</option>";
5758                 print "<option value=\"scoreL\">".__("Score is less than")."</option>";
5759                 print "<option value=\"newerH\">".__("Articles newer than X hours")."</option>";
5760                 print "<option value=\"newerD\">".__("Articles newer than X days")."</option>";
5761
5762                 print "</select>";
5763
5764                 print "<input style=\"display : none\" name=\"label_fields_param\"
5765                         size=\"10\">";
5766
5767                 print " <input type=\"submit\"
5768                         onclick=\"return addLabelExample()\"
5769                         value=\"".__("Add")."\">";
5770         }
5771 ?>