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         /**
  12          * Return available translations names.
  13          *
  14          * @access public
  15          * @return array A array of available translations.
  16          */
  17         function get_translations() {
  18                 $tr = array(
  19                                         "auto"  => "Detect automatically",
  20                                         "en_US" => "English",
  21                                         "fr_FR" => "Français",
  22                                         "nb_NO" => "Norsk Bokmål",
  23                                         "ru_RU" => "Русский",
  24                                         "pt_BR" => "Portuguese/Brazil",
  25                                         "zh_CN" => "Simplified Chinese");
  26
  27                 return $tr;
  28         }
  29
  30         if (ENABLE_TRANSLATIONS == true) { // If translations are enabled.
  31                 require_once "accept-to-gettext.php";
  32                 require_once "gettext/gettext.inc";
  33
  34                 function startup_gettext() {
  35
  36                         # Get locale from Accept-Language header
  37                         $lang = al2gt(array_keys(get_translations()), "text/html");
  38
  39                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  40                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  41                         }
  42
  43                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  44                                 $lang = $_COOKIE["ttrss_lang"];
  45                         }
  46
  47                         if ($lang) {
  48                                 _setlocale(LC_MESSAGES, $lang);
  49                                 _bindtextdomain("messages", "locale");
  50                                 _textdomain("messages");
  51                                 _bind_textdomain_codeset("messages", "UTF-8");
  52                         }
  53                 }
  54
  55                 startup_gettext();
  56
  57         } else { // If translations are enabled.
  58                 function __($msg) {
  59                         return $msg;
  60                 }
  61                 function startup_gettext() {
  62                         // no-op
  63                         return true;
  64                 }
  65         } // If translations are enabled.
  66
  67         require_once 'db-prefs.php';
  68         require_once 'compat.php';
  69         require_once 'errors.php';
  70         require_once 'version.php';
  71
  72         require_once 'phpmailer/class.phpmailer.php';
  73
  74         define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
  75         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
  76
  77         require_once "simplepie/simplepie.inc";
  78         require_once "magpierss/rss_fetch.inc";
  79         require_once 'magpierss/rss_utils.inc';
  80
  81         /**
  82          * Print a timestamped debug message.
  83          *
  84          * @param string $msg The debug message.
  85          * @return void
  86          */
  87         function _debug($msg) {
  88                 $ts = strftime("%H:%M:%S", time());
  89                 $ts = "$ts/" . posix_getpid();
  90                 print "[$ts] $msg\n";
  91         } // function _debug
  92
  93         /**
  94          * Purge a feed old posts.
  95          *
  96          * @param mixed $link A database connection.
  97          * @param mixed $feed_id The id of the purged feed.
  98          * @param mixed $purge_interval Olderness of purged posts.
  99          * @param boolean $debug Set to True to enable the debug. False by default.
 100          * @access public
 101          * @return void
 102          */
 103         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 104
 105                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 106
 107                 $rows = -1;
 108
 109                 $result = db_query($link,
 110                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 111
 112                 $owner_uid = false;
 113
 114                 if (db_num_rows($result) == 1) {
 115                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 116                 }
 117
 118                 if (!$owner_uid) return;
 119
 120                 $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 121                         $owner_uid, false);
 122
 123                 if (!$purge_unread) $query_limit = " unread = false AND ";
 124
 125                 if (DB_TYPE == "pgsql") {
 126 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 127                                 marked = false AND feed_id = '$feed_id' AND
 128                                 (SELECT date_entered FROM ttrss_entries WHERE
 129                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
 130
 131                         $pg_version = get_pgsql_version($link);
 132
 133                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 134
 135                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 136                                         ttrss_entries.id = ref_id AND
 137                                         marked = false AND
 138                                         feed_id = '$feed_id' AND
 139                                         $query_limit
 140                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 141
 142                         } else {
 143
 144                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 145                                         USING ttrss_entries
 146                                         WHERE ttrss_entries.id = ref_id AND
 147                                         marked = false AND
 148                                         feed_id = '$feed_id' AND
 149                                         $query_limit
 150                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 151                         }
 152
 153                         $rows = pg_affected_rows($result);
 154
 155                 } else {
 156
 157 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 158                                 marked = false AND feed_id = '$feed_id' AND
 159                                 (SELECT date_entered FROM ttrss_entries WHERE
 160                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 161
 162                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 163                                 USING ttrss_user_entries, ttrss_entries
 164                                 WHERE ttrss_entries.id = ref_id AND
 165                                 marked = false AND
 166                                 feed_id = '$feed_id' AND
 167                                 $query_limit
 168                                 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 169
 170                         $rows = mysql_affected_rows($link);
 171
 172                 }
 173
 174                 if ($debug) {
 175                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 176                 }
 177         } // function purge_feed
 178
 179         /**
 180          * Purge old posts from old feeds.
 181          *
 182          * @param mixed $link A database connection
 183          * @param boolean $do_output Set to true to enable printed output, false by default.
 184          * @param integer $limit The maximal number of removed posts.
 185          * @access public
 186          * @return void
 187          */
 188         function global_purge_old_posts($link, $do_output = false, $limit = false) {
 189
 190                 $random_qpart = sql_random_function();
 191
 192                 if ($limit) {
 193                         $limit_qpart = "LIMIT $limit";
 194                 } else {
 195                         $limit_qpart = "";
 196                 }
 197
 198                 $result = db_query($link,
 199                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 200                                 ORDER BY $random_qpart $limit_qpart");
 201
 202                 while ($line = db_fetch_assoc($result)) {
 203
 204                         $feed_id = $line["id"];
 205                         $purge_interval = $line["purge_interval"];
 206                         $owner_uid = $line["owner_uid"];
 207
 208                         if ($purge_interval == 0) {
 209
 210                                 $tmp_result = db_query($link,
 211                                         "SELECT value FROM ttrss_user_prefs WHERE
 212                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 213
 214                                 if (db_num_rows($tmp_result) != 0) {
 215                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 216                                 }
 217                         }
 218
 219                         if ($do_output) {
 220 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 221                         }
 222
 223                         if ($purge_interval > 0) {
 224                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 225                         }
 226                 }
 227
 228                 // purge orphaned posts in main content table
 229                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 230                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 231
 232                 if ($do_output) {
 233                         $rows = db_affected_rows($link, $result);
 234                         _debug("Purged $rows orphaned posts.");
 235                 }
 236
 237         } // function global_purge_old_posts
 238
 239         function feed_purge_interval($link, $feed_id) {
 240
 241                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 242                         WHERE id = '$feed_id'");
 243
 244                 if (db_num_rows($result) == 1) {
 245                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 246                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 247
 248                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 249                                 'PURGE_OLD_DAYS', $user_id);
 250
 251                         return $purge_interval;
 252
 253                 } else {
 254                         return -1;
 255                 }
 256         }
 257
 258         function purge_old_posts($link) {
 259
 260                 $user_id = $_SESSION["uid"];
 261
 262                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 263                         WHERE owner_uid = '$user_id'");
 264
 265                 while ($line = db_fetch_assoc($result)) {
 266
 267                         $feed_id = $line["id"];
 268                         $purge_interval = $line["purge_interval"];
 269
 270                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 271
 272                         if ($purge_interval > 0) {
 273                                 purge_feed($link, $feed_id, $purge_interval);
 274                         }
 275                 }
 276
 277                 // purge orphaned posts in main content table
 278                 db_query($link, "DELETE FROM ttrss_entries WHERE
 279                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 280         }
 281
 282         function get_feed_update_interval($link, $feed_id) {
 283                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 284                         ttrss_feeds WHERE id = '$feed_id'");
 285
 286                 if (db_num_rows($result) == 1) {
 287                         $update_interval = db_fetch_result($result, 0, "update_interval");
 288                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 289
 290                         if ($update_interval != 0) {
 291                                 return $update_interval;
 292                         } else {
 293                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 294                         }
 295
 296                 } else {
 297                         return -1;
 298                 }
 299         }
 300
 301         function update_all_feeds($link, $fetch, $user_id = false, $force_daemon = false) {
 302
 303                 if (WEB_DEMO_MODE) return;
 304
 305                 if (!$user_id) {
 306                         $user_id = $_SESSION["uid"];
 307                         purge_old_posts($link);
 308                 }
 309
 310 //              db_query($link, "BEGIN");
 311
 312                 if (MAX_UPDATE_TIME > 0) {
 313                         if (DB_TYPE == "mysql") {
 314                                 $q_order = "RAND()";
 315                         } else {
 316                                 $q_order = "RANDOM()";
 317                         }
 318                 } else {
 319                         $q_order = "last_updated DESC";
 320                 }
 321
 322                 $result = db_query($link, "SELECT feed_url,id,
 323                         SUBSTRING(last_updated,1,19) AS last_updated,
 324                         update_interval FROM ttrss_feeds WHERE owner_uid = '$user_id'
 325                         ORDER BY $q_order");
 326
 327                 $upd_start = time();
 328
 329                 while ($line = db_fetch_assoc($result)) {
 330                         $upd_intl = $line["update_interval"];
 331
 332                         if (!$upd_intl || $upd_intl == 0) {
 333                                 $upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id, false);
 334                         }
 335
 336                         if ($upd_intl < 0) {
 337                                 // Updates for this feed are disabled
 338                                 continue;
 339                         }
 340
 341                         if ($fetch || (!$line["last_updated"] ||
 342                                 time() - strtotime($line["last_updated"]) > ($upd_intl * 60))) {
 343
 344 //                              print "<!-- feed: ".$line["feed_url"]." -->";
 345
 346                                 update_rss_feed($link, $line["feed_url"], $line["id"], $force_daemon);
 347
 348                                 $upd_elapsed = time() - $upd_start;
 349
 350                                 if (MAX_UPDATE_TIME > 0 && $upd_elapsed > MAX_UPDATE_TIME) {
 351                                         return;
 352                                 }
 353                         }
 354                 }
 355
 356 //              db_query($link, "COMMIT");
 357
 358         }
 359
 360         function fetch_file_contents($url) {
 361                 if (USE_CURL_FOR_ICONS) {
 362                         $tmpfile = tempnam(TMP_DIRECTORY, "ttrss-tmp");
 363
 364                         $ch = curl_init($url);
 365                         $fp = fopen($tmpfile, "w");
 366
 367                         if ($fp) {
 368                                 curl_setopt($ch, CURLOPT_FILE, $fp);
 369                                 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 370                                 curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 371                                 curl_exec($ch);
 372                                 curl_close($ch);
 373                                 fclose($fp);
 374                         }
 375
 376                         $contents =  file_get_contents($tmpfile);
 377                         unlink($tmpfile);
 378
 379                         return $contents;
 380
 381                 } else {
 382                         return file_get_contents($url);
 383                 }
 384
 385         }
 386
 387         /**
 388          * Try to determine the favicon URL for a feed.
 389          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 390          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 391          *
 392          * @param string $url A feed or page URL
 393          * @access public
 394          * @return mixed The favicon URL, or false if none was found.
 395          */
 396         function get_favicon_url($url) {
 397
 398                 if ($html = @fetch_file_contents($url)) {
 399
 400                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
 401                                 // Attempt to grab a favicon link from their webpage url
 402                                 $linkUrl = html_entity_decode($matches[1]);
 403
 404                                 if (substr($linkUrl, 0, 1) == '/') {
 405                                         $urlParts = parse_url($url);
 406                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
 407                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
 408                                         $faviconURL = $linkUrl;
 409                                 } else if (substr($url, -1, 1) == '/') {
 410                                         $faviconURL = $url.$linkUrl;
 411                                 } else {
 412                                         $faviconURL = $url.'/'.$linkUrl;
 413                                 }
 414
 415                         } else {
 416                                 // If unsuccessful, attempt to "guess" the favicon location
 417                                 $urlParts = parse_url($url);
 418                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
 419                         }
 420                 }
 421
 422                 // Run a test to see if what we have attempted to get actually exists.
 423                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
 424                         return $faviconURL;
 425                 } else {
 426                         return false;
 427                 }
 428         } // function get_favicon_url
 429
 430         /**
 431          * Check if a link is a valid and working URL.
 432          *
 433          * @param mixed $link A URL to check
 434          * @access public
 435          * @return boolean True if the URL is valid, false otherwise.
 436          */
 437         function url_validate($link) {
 438
 439                 $url_parts = @parse_url($link);
 440
 441                 if ( empty( $url_parts["host"] ) )
 442                                 return false;
 443
 444                 if ( !empty( $url_parts["path"] ) ) {
 445                                 $documentpath = $url_parts["path"];
 446                 } else {
 447                                 $documentpath = "/";
 448                 }
 449
 450                 if ( !empty( $url_parts["query"] ) )
 451                                 $documentpath .= "?" . $url_parts["query"];
 452
 453                 $host = $url_parts["host"];
 454                 $port = $url_parts["port"];
 455
 456                 if ( empty($port) )
 457                                 $port = "80";
 458
 459                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 460
 461                 if ( !$socket )
 462                                 return false;
 463
 464                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 465
 466                 $http_response = fgets( $socket, 22 );
 467
 468                 $responses = "/(200 OK)|(30[0-9] Moved)/";
 469                 if ( preg_match($responses, $http_response) ) {
 470                                 fclose($socket);
 471                                 return true;
 472                 } else {
 473                                 return false;
 474                 }
 475
 476         } // function url_validate
 477
 478         function check_feed_favicon($site_url, $feed, $link) {
 479                 $favicon_url = get_favicon_url($site_url);
 480
 481 #               print "FAVICON [$site_url]: $favicon_url\n";
 482
 483                 error_reporting(0);
 484
 485                 $icon_file = ICONS_DIR . "/$feed.ico";
 486
 487                 if ($favicon_url && !file_exists($icon_file)) {
 488                         $contents = fetch_file_contents($favicon_url);
 489
 490                         $fp = fopen($icon_file, "w");
 491
 492                         if ($fp) {
 493                                 fwrite($fp, $contents);
 494                                 fclose($fp);
 495                                 chmod($icon_file, 0644);
 496                         }
 497                 }
 498
 499                 error_reporting(DEFAULT_ERROR_LEVEL);
 500
 501         }
 502
 503         function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
 504
 505                 if (!$_GET["daemon"] && !$ignore_daemon) {
 506                         return false;
 507                 }
 508
 509                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 510                         _debug("update_rss_feed: start");
 511                 }
 512
 513                 if (!$ignore_daemon) {
 514
 515                         if (DB_TYPE == "pgsql") {
 516                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 517                                 } else {
 518                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 519                                 }
 520
 521                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 522                                 auth_pass,cache_images,update_method
 523                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 524
 525                 } else {
 526
 527                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 528                                 auth_pass,cache_images,update_method
 529                                 FROM ttrss_feeds WHERE id = '$feed'");
 530
 531                 }
 532
 533                 if (db_num_rows($result) == 0) {
 534                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 535                                 _debug("update_rss_feed: feed $feed [$feed_url] NOT FOUND/SKIPPED");
 536                         }
 537                         return false;
 538                 }
 539
 540                 $update_method = db_fetch_result($result, 0, "update_method");
 541
 542                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 543                         WHERE id = '$feed'");
 544
 545                 $auth_login = db_fetch_result($result, 0, "auth_login");
 546                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 547
 548                 if (ALLOW_SELECT_UPDATE_METHOD) {
 549                         if (ENABLE_SIMPLEPIE) {
 550                                 $use_simplepie = $update_method != 1;
 551                         } else {
 552                                 $use_simplepie = $update_method == 2;
 553                         }
 554                 } else {
 555                         $use_simplepie = ENABLE_SIMPLEPIE;
 556                 }
 557
 558                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 559                         _debug("use simplepie: $use_simplepie (feed setting: $update_method)\n");
 560                 }
 561
 562                 if (!$use_simplepie) {
 563                         $auth_login = urlencode($auth_login);
 564                         $auth_pass = urlencode($auth_pass);
 565                 }
 566
 567                 $update_interval = db_fetch_result($result, 0, "update_interval");
 568                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 569
 570                 if ($update_interval < 0) { return; }
 571
 572                 $feed = db_escape_string($feed);
 573
 574                 $fetch_url = $feed_url;
 575
 576                 if ($auth_login && $auth_pass) {
 577                         $url_parts = array();
 578                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 579
 580                         if ($url_parts[1] && $url_parts[2]) {
 581                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 582                         }
 583
 584                 }
 585
 586                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 587                         _debug("update_rss_feed: fetching [$fetch_url]...");
 588                 }
 589
 590                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_GET['xdebug']) {
 591                         error_reporting(0);
 592                 }
 593
 594                 if (!$use_simplepie) {
 595                         $rss = fetch_rss($fetch_url);
 596                 } else {
 597                         if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 598                                 mkdir(SIMPLEPIE_CACHE_DIR);
 599                         }
 600
 601                         $rss = new SimplePie();
 602                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
 603 #                       $rss->set_timeout(10);
 604                         $rss->set_feed_url($fetch_url);
 605                         $rss->set_output_encoding('UTF-8');
 606
 607                         if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 608                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 609                                         _debug("enabling image cache");
 610                                 }
 611
 612                                 $rss->set_image_handler('./image.php', 'i');
 613                         }
 614
 615                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 616                                 _debug("feed update interval (sec): " .
 617                                         get_feed_update_interval($link, $feed)*60);
 618                         }
 619
 620                         if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 621                                 $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 622                                 $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 623                         }
 624
 625                         $rss->init();
 626                 }
 627
 628 //              print_r($rss);
 629
 630                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 631                         _debug("update_rss_feed: fetch done, parsing...");
 632                 } else {
 633                         error_reporting (DEFAULT_ERROR_LEVEL);
 634                 }
 635
 636                 $feed = db_escape_string($feed);
 637
 638                 if ($use_simplepie) {
 639                         $fetch_ok = !$rss->error();
 640                 } else {
 641                         $fetch_ok = !!$rss;
 642                 }
 643
 644                 if ($fetch_ok) {
 645
 646                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 647                                 _debug("update_rss_feed: processing feed data...");
 648                         }
 649
 650 //                      db_query($link, "BEGIN");
 651
 652                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 653                                 FROM ttrss_feeds WHERE id = '$feed'");
 654
 655                         $registered_title = db_fetch_result($result, 0, "title");
 656                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 657                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 658
 659                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 660
 661                         if ($use_simplepie) {
 662                                 $site_url = $rss->get_link();
 663                         } else {
 664                                 $site_url = $rss->channel["link"];
 665                         }
 666
 667                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
 668                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 669                                         _debug("update_rss_feed: checking favicon...");
 670                                 }
 671
 672                                 check_feed_favicon($site_url, $feed, $link);
 673                         }
 674
 675                         if (!$registered_title || $registered_title == "[Unknown]") {
 676
 677                                 if ($use_simplepie) {
 678                                         $feed_title = db_escape_string($rss->get_title());
 679                                 } else {
 680                                         $feed_title = db_escape_string($rss->channel["title"]);
 681                                 }
 682
 683                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 684                                         _debug("update_rss_feed: registering title: $feed_title");
 685                                 }
 686
 687                                 db_query($link, "UPDATE ttrss_feeds SET
 688                                         title = '$feed_title' WHERE id = '$feed'");
 689                         }
 690
 691                         // weird, weird Magpie
 692                         if (!$use_simplepie) {
 693                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 694                         }
 695
 696                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 697                                 db_query($link, "UPDATE ttrss_feeds SET
 698                                         site_url = '$site_url' WHERE id = '$feed'");
 699                         }
 700
 701 //                      print "I: " . $rss->channel["image"]["url"];
 702
 703                         if (!$use_simplepie) {
 704                                 $icon_url = $rss->image["url"];
 705                         } else {
 706                                 $icon_url = $rss->get_image_url();
 707                         }
 708
 709                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
 710                                 $icon_url = db_escape_string($icon_url);
 711                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 712                         }
 713
 714                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 715                                 _debug("update_rss_feed: loading filters...");
 716                         }
 717
 718                         $filters = array();
 719
 720                         $result = db_query($link, "SELECT reg_exp,
 721                                 ttrss_filter_types.name AS name,
 722                                 ttrss_filter_actions.name AS action,
 723                                 inverse,
 724                                 action_param
 725                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
 726                                         enabled = true AND
 727                                         owner_uid = $owner_uid AND
 728                                         ttrss_filter_types.id = filter_type AND
 729                                         ttrss_filter_actions.id = action_id AND
 730                                 (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
 731
 732                         while ($line = db_fetch_assoc($result)) {
 733                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
 734
 735                                 $filter["reg_exp"] = $line["reg_exp"];
 736                                 $filter["action"] = $line["action"];
 737                                 $filter["action_param"] = $line["action_param"];
 738                                 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
 739
 740                                 array_push($filters[$line["name"]], $filter);
 741                         }
 742
 743                         if ($use_simplepie) {
 744                                 $iterator = $rss->get_items();
 745                         } else {
 746                                 $iterator = $rss->items;
 747                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 748                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 749                         }
 750
 751                         if (!is_array($iterator)) {
 752                                 /* db_query($link, "UPDATE ttrss_feeds
 753                                         SET last_error = 'Parse error: can\'t find any articles.'
 754                                         WHERE id = '$feed'"); */
 755
 756                                 // clear any errors and mark feed as updated if fetched okay
 757                                 // even if it's blank
 758
 759                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 760                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 761                                 }
 762
 763                                 db_query($link, "UPDATE ttrss_feeds
 764                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 765
 766                                 return; // no articles
 767                         }
 768
 769                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 770                                 _debug("update_rss_feed: processing articles...");
 771                         }
 772
 773                         foreach ($iterator as $item) {
 774
 775                                 if ($_GET['xdebug']) {
 776                                         print_r($item);
 777
 778                                 }
 779
 780                                 if ($use_simplepie) {
 781                                         $entry_guid = $item->get_id();
 782                                         if (!$entry_guid) $entry_guid = $item->get_link();
 783                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 784
 785                                 } else {
 786
 787                                         $entry_guid = $item["id"];
 788
 789                                         if (!$entry_guid) $entry_guid = $item["guid"];
 790                                         if (!$entry_guid) $entry_guid = $item["link"];
 791                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 792                                 }
 793
 794                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 795                                         _debug("update_rss_feed: guid $entry_guid");
 796                                 }
 797
 798                                 if (!$entry_guid) continue;
 799
 800                                 $entry_timestamp = "";
 801
 802                                 if ($use_simplepie) {
 803                                         $entry_timestamp = strtotime($item->get_date());
 804                                 } else {
 805                                         $rss_2_date = $item['pubdate'];
 806                                         $rss_1_date = $item['dc']['date'];
 807                                         $atom_date = $item['issued'];
 808                                         if (!$atom_date) $atom_date = $item['updated'];
 809
 810                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 811                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 812                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 813                                 }
 814
 815                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 816                                         _debug("update_rss_feed: date $entry_timestamp");
 817                                 }
 818
 819                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 820                                         $entry_timestamp = time();
 821                                         $no_orig_date = 'true';
 822                                 } else {
 823                                         $no_orig_date = 'false';
 824                                 }
 825
 826                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 827
 828                                 if ($use_simplepie) {
 829                                         $entry_title = $item->get_title();
 830                                 } else {
 831                                         $entry_title = trim(strip_tags($item["title"]));
 832                                 }
 833
 834                                 if ($use_simplepie) {
 835                                         $entry_link = $item->get_link();
 836                                 } else {
 837                                         // strange Magpie workaround
 838                                         $entry_link = $item["link_"];
 839                                         if (!$entry_link) $entry_link = $item["link"];
 840                                 }
 841
 842                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 843                                         _debug("update_rss_feed: title $entry_title");
 844                                 }
 845
 846                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 847
 848                                 $entry_link = strip_tags($entry_link);
 849
 850                                 if ($use_simplepie) {
 851                                         $entry_content = $item->get_description();
 852                                 } else {
 853                                         $entry_content = $item["content:escaped"];
 854
 855                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 856                                         if (!$entry_content) $entry_content = $item["content"];
 857
 858                                         // Magpie bugs are getting ridiculous
 859                                         if (trim($entry_content) == "Array") $entry_content = false;
 860
 861                                         if (!$entry_content) $entry_content = $item["atom_content"];
 862                                         if (!$entry_content) $entry_content = $item["summary"];
 863                                         if (!$entry_content) $entry_content = $item["description"];
 864
 865                                         // WTF
 866                                         if (is_array($entry_content)) {
 867                                                 $entry_content = $entry_content["encoded"];
 868                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 869                                         }
 870                                 }
 871
 872                                 if ($_GET["xdebug"]) {
 873                                         print "update_rss_feed: content: ";
 874                                         print_r(htmlspecialchars($entry_content));
 875                                 }
 876
 877                                 $entry_content_unescaped = $entry_content;
 878
 879                                 if ($use_simplepie) {
 880                                         $entry_comments = strip_tags($item->data["comments"]);
 881                                         if ($item->get_author()) {
 882                                                 $entry_author_item = $item->get_author();
 883                                                 $entry_author = $entry_author_item->get_name();
 884                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 885
 886                                                 $entry_author = db_escape_string($entry_author);
 887                                         }
 888                                 } else {
 889                                         $entry_comments = strip_tags($item["comments"]);
 890
 891                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 892
 893                                         if ($item['author']) {
 894
 895                                                 if (is_array($item['author'])) {
 896
 897                                                         if (!$entry_author) {
 898                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 899                                                         }
 900
 901                                                         if (!$entry_author) {
 902                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 903                                                         }
 904                                                 }
 905
 906                                                 if (!$entry_author) {
 907                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 908                                                 }
 909                                         }
 910                                 }
 911
 912                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 913
 914                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 915                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 916
 917                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 918                                         WHERE guid = '$entry_guid'");
 919
 920                                 $entry_content = db_escape_string($entry_content);
 921
 922                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 923
 924                                 $entry_title = db_escape_string($entry_title);
 925                                 $entry_link = db_escape_string($entry_link);
 926                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 927                                 $entry_author = mb_substr($entry_author, 0, 250);
 928
 929                                 if ($use_simplepie) {
 930                                         $num_comments = 0; #FIXME#
 931                                 } else {
 932                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 933                                 }
 934
 935                                 if (!$num_comments) $num_comments = 0;
 936
 937                                 // parse <category> entries into tags
 938
 939                                 if ($use_simplepie) {
 940
 941                                         $additional_tags = array();
 942                                         $additional_tags_src = $item->get_categories();
 943
 944                                         if (is_array($additional_tags_src)) {
 945                                                 foreach ($additional_tags_src as $tobj) {
 946                                                         array_push($additional_tags, $tobj->get_term());
 947                                                 }
 948                                         }
 949
 950                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 951                                                 _debug("update_rss_feed: category tags:");
 952                                                 print_r($additional_tags);
 953                                         }
 954
 955                                 } else {
 956
 957                                         $t_ctr = $item['category#'];
 958
 959                                         $additional_tags = false;
 960
 961                                         if ($t_ctr == 0) {
 962                                                 $additional_tags = false;
 963                                         } else if ($t_ctr > 0) {
 964                                                 $additional_tags = array($item['category']);
 965
 966                                                 if ($item['category@term']) {
 967                                                         array_push($additional_tags, $item['category@term']);
 968                                                 }
 969
 970                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 971                                                         if ($item["category#$i"]) {
 972                                                                 array_push($additional_tags, $item["category#$i"]);
 973                                                         }
 974
 975                                                         if ($item["category#$i@term"]) {
 976                                                                 array_push($additional_tags, $item["category#$i@term"]);
 977                                                         }
 978                                                 }
 979                                         }
 980
 981                                         // parse <dc:subject> elements
 982
 983                                         $t_ctr = $item['dc']['subject#'];
 984
 985                                         if ($t_ctr > 0) {
 986                                                 $additional_tags = array($item['dc']['subject']);
 987
 988                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 989                                                         if ($item['dc']["subject#$i"]) {
 990                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
 991                                                         }
 992                                                 }
 993                                         }
 994                                 }
 995
 996                                 // enclosures
 997
 998                                 $enclosures = array();
 999
1000                                 if ($use_simplepie) {
1001                                         $encs = $item->get_enclosures();
1002
1003                                         if (is_array($encs)) {
1004                                                 foreach ($encs as $e) {
1005                                                         $e_item = array(
1006                                                                 $e->link, $e->type, $e->length);
1007
1008                                                         array_push($enclosures, $e_item);
1009                                                 }
1010                                         }
1011
1012                                 } else {
1013                                         $e_ctr = $item['enclosure#'];
1014
1015                                         if ($e_ctr > 0) {
1016                                                 $e_item = array($item['enclosure@url'],
1017                                                         $item['enclosure@type'],
1018                                                         $item['enclosure@length']);
1019
1020                                                 array_push($enclosures, $e_item);
1021
1022                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1023
1024                                                         if ($item["enclosure#$i@url"]) {
1025                                                                 $e_item = array($item["enclosure#$i@url"],
1026                                                                         $item["enclosure#$i@type"],
1027                                                                         $item["enclosure#$i@length"]);
1028                                                                 array_push($enclosures, $e_item);
1029                                                         }
1030                                                 }
1031                                         }
1032
1033                                 }
1034
1035                                 # sanitize content
1036
1037 //                              $entry_content = sanitize_rss($entry_content);
1038
1039                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1040                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1041                                 }
1042
1043                                 db_query($link, "BEGIN");
1044
1045                                 if (db_num_rows($result) == 0) {
1046
1047                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1048                                                 _debug("update_rss_feed: base guid not found");
1049                                         }
1050
1051                                         // base post entry does not exist, create it
1052
1053                                         $result = db_query($link,
1054                                                 "INSERT INTO ttrss_entries
1055                                                         (title,
1056                                                         guid,
1057                                                         link,
1058                                                         updated,
1059                                                         content,
1060                                                         content_hash,
1061                                                         no_orig_date,
1062                                                         date_entered,
1063                                                         comments,
1064                                                         num_comments,
1065                                                         author)
1066                                                 VALUES
1067                                                         ('$entry_title',
1068                                                         '$entry_guid',
1069                                                         '$entry_link',
1070                                                         '$entry_timestamp_fmt',
1071                                                         '$entry_content',
1072                                                         '$content_hash',
1073                                                         $no_orig_date,
1074                                                         NOW(),
1075                                                         '$entry_comments',
1076                                                         '$num_comments',
1077                                                         '$entry_author')");
1078                                 } else {
1079                                         // we keep encountering the entry in feeds, so we need to
1080                                         // update date_entered column so that we don't get horrible
1081                                         // dupes when the entry gets purged and reinserted again e.g.
1082                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1083
1084                                         $base_entry_id = db_fetch_result($result, 0, "id");
1085
1086                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
1087                                                 WHERE id = '$base_entry_id'");
1088                                 }
1089
1090                                 // now it should exist, if not - bad luck then
1091
1092                                 $result = db_query($link, "SELECT
1093                                                 id,content_hash,no_orig_date,title,
1094                                                 substring(date_entered,1,19) as date_entered,
1095                                                 substring(updated,1,19) as updated,
1096                                                 num_comments
1097                                         FROM
1098                                                 ttrss_entries
1099                                         WHERE guid = '$entry_guid'");
1100
1101                                 $entry_ref_id = 0;
1102                                 $entry_int_id = 0;
1103
1104                                 if (db_num_rows($result) == 1) {
1105
1106                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1107                                                 _debug("update_rss_feed: base guid found, checking for user record");
1108                                         }
1109
1110                                         // this will be used below in update handler
1111                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1112                                         $orig_title = db_fetch_result($result, 0, "title");
1113                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1114                                         $orig_date_entered = strtotime(db_fetch_result($result,
1115                                                 0, "date_entered"));
1116
1117                                         $ref_id = db_fetch_result($result, 0, "id");
1118                                         $entry_ref_id = $ref_id;
1119
1120                                         // check for user post link to main table
1121
1122                                         // do we allow duplicate posts with same GUID in different feeds?
1123                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1124                                                 $dupcheck_qpart = "AND feed_id = '$feed'";
1125                                         } else {
1126                                                 $dupcheck_qpart = "";
1127                                         }
1128
1129 //                                      error_reporting(0);
1130
1131                                         $article_filters = get_article_filters($filters, $entry_title,
1132                                                         $entry_content, $entry_link);
1133
1134                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1135                                                 _debug("update_rss_feed: article filters: ");
1136                                                 if (count($article_filters) != 0) {
1137                                                         print_r($article_filters);
1138                                                 }
1139                                         }
1140
1141                                         if (find_article_filter($article_filters, "filter")) {
1142                                                 continue;
1143                                         }
1144
1145 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
1146
1147                                         $result = db_query($link,
1148                                                 "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1149                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1150                                                         $dupcheck_qpart");
1151
1152                                         // okay it doesn't exist - create user entry
1153                                         if (db_num_rows($result) == 0) {
1154
1155                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1156                                                         _debug("update_rss_feed: user record not found, creating...");
1157                                                 }
1158
1159                                                 if (!find_article_filter($article_filters, 'catchup')) {
1160                                                         $unread = 'true';
1161                                                         $last_read_qpart = 'NULL';
1162                                                 } else {
1163                                                         $unread = 'false';
1164                                                         $last_read_qpart = 'NOW()';
1165                                                 }
1166
1167                                                 if (find_article_filter($article_filters, 'mark')) {
1168                                                         $marked = 'true';
1169                                                 } else {
1170                                                         $marked = 'false';
1171                                                 }
1172
1173                                                 if (find_article_filter($article_filters, 'publish')) {
1174                                                         $published = 'true';
1175                                                 } else {
1176                                                         $published = 'false';
1177                                                 }
1178
1179                                                 $result = db_query($link,
1180                                                         "INSERT INTO ttrss_user_entries
1181                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked, published)
1182                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1183                                                                 $last_read_qpart, $marked, $published)");
1184
1185                                                 $result = db_query($link,
1186                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1187                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1188                                                                 feed_id = '$feed' LIMIT 1");
1189
1190                                                 if (db_num_rows($result) == 1) {
1191                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1192                                                 }
1193                                         } else {
1194                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1195                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1196                                         }
1197
1198                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1199                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1200                                         }
1201
1202                                         $post_needs_update = false;
1203
1204                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1205                                                 ($content_hash != $orig_content_hash)) {
1206 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1207                                                 $post_needs_update = true;
1208                                         }
1209
1210                                         if (db_escape_string($orig_title) != $entry_title) {
1211                                                 $post_needs_update = true;
1212                                         }
1213
1214                                         if ($orig_num_comments != $num_comments) {
1215                                                 $post_needs_update = true;
1216                                         }
1217
1218 //                                      this doesn't seem to be very reliable
1219 //
1220 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1221 //                                              $post_needs_update = true;
1222 //                                      }
1223
1224                                         // if post needs update, update it and mark all user entries
1225                                         // linking to this post as updated
1226                                         if ($post_needs_update) {
1227
1228                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1229                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1230                                                 }
1231
1232 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1233
1234                                                 db_query($link, "UPDATE ttrss_entries
1235                                                         SET title = '$entry_title', content = '$entry_content',
1236                                                                 content_hash = '$content_hash',
1237                                                                 num_comments = '$num_comments'
1238                                                         WHERE id = '$ref_id'");
1239
1240                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1241                                                         db_query($link, "UPDATE ttrss_user_entries
1242                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1243                                                 } else {
1244                                                         db_query($link, "UPDATE ttrss_user_entries
1245                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1246                                                 }
1247
1248                                         }
1249                                 }
1250
1251                                 db_query($link, "COMMIT");
1252
1253                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1254                                         _debug("update_rss_feed: looking for enclosures...");
1255                                 }
1256
1257                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1258                                         print_r($enclosures);
1259                                 }
1260
1261                                 db_query($link, "BEGIN");
1262
1263                                 foreach ($enclosures as $enc) {
1264                                         $enc_url = db_escape_string($enc[0]);
1265                                         $enc_type = db_escape_string($enc[1]);
1266                                         $enc_dur = db_escape_string($enc[2]);
1267
1268                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1269                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1270
1271                                         if (db_num_rows($result) == 0) {
1272                                                 db_query($link, "INSERT INTO ttrss_enclosures
1273                                                         (content_url, content_type, title, duration, post_id) VALUES
1274                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1275                                         }
1276                                 }
1277
1278                                 db_query($link, "COMMIT");
1279
1280                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1281                                         _debug("update_rss_feed: looking for tags...");
1282                                 }
1283
1284                                 /* taaaags */
1285                                 // <a href="..." rel="tag">Xorg</a>, //
1286
1287                                 $entry_tags = null;
1288
1289                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
1290                                         $entry_content_unescaped, $entry_tags);
1291
1292 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1293                                 print_r($entry_tags);
1294                                 print "<br/></p>"; */
1295
1296                                 $entry_tags = $entry_tags[1];
1297
1298                                 # check for manual tags
1299
1300                                 $tag_filter = find_article_filter($article_filters, "tag");
1301
1302                                 if ($tag_filter) {
1303
1304                                         $manual_tags = trim_array(split(",", $tag_filter[1]));
1305
1306                                         foreach ($manual_tags as $tag) {
1307                                                 if (tag_is_valid($tag)) {
1308                                                         array_push($entry_tags, $tag);
1309                                                 }
1310                                         }
1311                                 }
1312
1313                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1314                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1315
1316                                 if ($additional_tags && is_array($additional_tags)) {
1317                                         foreach ($additional_tags as $tag) {
1318                                                 if (tag_is_valid($tag) &&
1319                                                                 array_search($tag, $boring_tags) === FALSE) {
1320                                                         array_push($entry_tags, $tag);
1321                                                 }
1322                                         }
1323                                 }
1324
1325 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1326
1327                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1328                                         print_r($entry_tags);
1329                                 }
1330
1331                                 if (count($entry_tags) > 0) {
1332
1333                                         db_query($link, "BEGIN");
1334
1335                                                 foreach ($entry_tags as $tag) {
1336
1337                                                         $tag = sanitize_tag($tag);
1338                                                         $tag = db_escape_string($tag);
1339
1340                                                         if (!tag_is_valid($tag)) continue;
1341
1342                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
1343                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1344                                                                 owner_uid = '$owner_uid' LIMIT 1");
1345
1346         //                                              print db_fetch_result($result, 0, "id");
1347
1348                                                         if ($result && db_num_rows($result) == 0) {
1349
1350                                                                 db_query($link, "INSERT INTO ttrss_tags
1351                                                                         (owner_uid,tag_name,post_int_id)
1352                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1353                                                         }
1354                                                 }
1355
1356                                         db_query($link, "COMMIT");
1357                                 }
1358
1359                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1360                                         _debug("update_rss_feed: article processed");
1361                                 }
1362                         }
1363
1364                         db_query($link, "UPDATE ttrss_feeds
1365                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1366
1367 //                      db_query($link, "COMMIT");
1368
1369                 } else {
1370
1371                         if ($use_simplepie) {
1372                                 $error_msg = mb_substr($rss->error(), 0, 250);
1373                         } else {
1374                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1375                         }
1376
1377                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1378                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1379                         }
1380
1381                         $error_msg = db_escape_string($error_msg);
1382
1383                         db_query($link,
1384                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1385                                         last_updated = NOW() WHERE id = '$feed'");
1386                 }
1387
1388                 if ($use_simplepie) {
1389                         unset($rss);
1390                 }
1391
1392                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1393                         _debug("update_rss_feed: done");
1394                 }
1395
1396         }
1397
1398         function print_select($id, $default, $values, $attributes = "") {
1399                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1400                 foreach ($values as $v) {
1401                         if ($v == $default)
1402                                 $sel = " selected";
1403                          else
1404                                 $sel = "";
1405
1406                         print "<option$sel>$v</option>";
1407                 }
1408                 print "</select>";
1409         }
1410
1411         function print_select_hash($id, $default, $values, $attributes = "") {
1412                 print "<select name=\"$id\" id='$id' $attributes>";
1413                 foreach (array_keys($values) as $v) {
1414                         if ($v == $default)
1415                                 $sel = "selected";
1416                          else
1417                                 $sel = "";
1418
1419                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1420                 }
1421
1422                 print "</select>";
1423         }
1424
1425         function get_article_filters($filters, $title, $content, $link) {
1426                 $matches = array();
1427
1428                 if ($filters["title"]) {
1429                         foreach ($filters["title"] as $filter) {
1430                                 $reg_exp = $filter["reg_exp"];
1431                                 $inverse = $filter["inverse"];
1432                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
1433                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1434
1435                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1436                                 }
1437                         }
1438                 }
1439
1440                 if ($filters["content"]) {
1441                         foreach ($filters["content"] as $filter) {
1442                                 $reg_exp = $filter["reg_exp"];
1443                                 $inverse = $filter["inverse"];
1444
1445                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
1446                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1447
1448                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1449                                 }
1450                         }
1451                 }
1452
1453                 if ($filters["both"]) {
1454                         foreach ($filters["both"] as $filter) {
1455                                 $reg_exp = $filter["reg_exp"];
1456                                 $inverse = $filter["inverse"];
1457
1458                                 if ($inverse) {
1459                                         if (!preg_match("/$reg_exp/i", $title) || !preg_match("/$reg_exp/i", $content)) {
1460                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1461                                         }
1462                                 } else {
1463                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1464                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1465                                         }
1466                                 }
1467                         }
1468                 }
1469
1470                 if ($filters["link"]) {
1471                         $reg_exp = $filter["reg_exp"];
1472                         foreach ($filters["link"] as $filter) {
1473                                 $reg_exp = $filter["reg_exp"];
1474                                 $inverse = $filter["inverse"];
1475
1476                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1477                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1478
1479                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1480                                 }
1481                         }
1482                 }
1483
1484                 return $matches;
1485         }
1486
1487         function find_article_filter($filters, $filter_name) {
1488                 foreach ($filters as $f) {
1489                         if ($f[0] == $filter_name) {
1490                                 return $f;
1491                         };
1492                 }
1493                 return false;
1494         }
1495
1496         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1497                 $rtl_content = false, $last_updated = false, $last_error = false) {
1498
1499                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1500                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1501                 } else {
1502                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1503                 }
1504
1505                 if ($rtl_content) {
1506                         $rtl_tag = "dir=\"rtl\"";
1507                 } else {
1508                         $rtl_tag = "dir=\"ltr\"";
1509                 }
1510
1511                 $error_notify_msg = "";
1512
1513                 if ($last_error) {
1514                         $link_title = "Error: $last_error ($last_updated)";
1515                         $error_notify_msg = "(Error)";
1516                 } else if ($last_updated) {
1517                         $link_title = "Updated: $last_updated";
1518                 }
1519
1520                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\"
1521                         href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
1522
1523                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1524                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1525                         print "$feed_icon";
1526                 }
1527
1528                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1529
1530                 if ($unread != 0) {
1531                         $fctr_class = "";
1532                 } else {
1533                         $fctr_class = "class=\"invisible\"";
1534                 }
1535
1536                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1537                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1538
1539                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1540                         print "<div class=\"feedExtInfo\">
1541                                 <span id=\"FLUPD-$feed_id\">$last_updated $error_notify_msg</span></div>";
1542                 }
1543
1544                 print "</li>";
1545
1546         }
1547
1548         function getmicrotime() {
1549                 list($usec, $sec) = explode(" ",microtime());
1550                 return ((float)$usec + (float)$sec);
1551         }
1552
1553         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1554                 foreach ($values as $v) {
1555
1556                         if ($v == $default)
1557                                 $sel = "checked";
1558                          else
1559                                 $sel = "";
1560
1561                         if ($v == $true_is) {
1562                                 $sel .= " value=\"1\"";
1563                         } else {
1564                                 $sel .= " value=\"0\"";
1565                         }
1566
1567                         print "<input class=\"noborder\"
1568                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1569
1570                 }
1571         }
1572
1573         function initialize_user_prefs($link, $uid) {
1574
1575                 $uid = db_escape_string($uid);
1576
1577                 db_query($link, "BEGIN");
1578
1579                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1580
1581                 $u_result = db_query($link, "SELECT pref_name
1582                         FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
1583
1584                 $active_prefs = array();
1585
1586                 while ($line = db_fetch_assoc($u_result)) {
1587                         array_push($active_prefs, $line["pref_name"]);
1588                 }
1589
1590                 while ($line = db_fetch_assoc($result)) {
1591                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1592 //                              print "adding " . $line["pref_name"] . "<br>";
1593
1594                                 db_query($link, "INSERT INTO ttrss_user_prefs
1595                                         (owner_uid,pref_name,value) VALUES
1596                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1597
1598                         }
1599                 }
1600
1601                 db_query($link, "COMMIT");
1602
1603         }
1604
1605         function lookup_user_id($link, $user) {
1606
1607                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1608                         login = '$login'");
1609
1610                 if (db_num_rows($result) == 1) {
1611                         return db_fetch_result($result, 0, "id");
1612                 } else {
1613                         return false;
1614                 }
1615         }
1616
1617         function http_authenticate_user($link) {
1618
1619                 error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1620
1621                 if (!$_SERVER["PHP_AUTH_USER"]) {
1622
1623                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1624                         header('HTTP/1.0 401 Unauthorized');
1625                         exit;
1626
1627                 } else {
1628                         $auth_result = authenticate_user($link,
1629                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1630
1631                         if (!$auth_result) {
1632                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1633                                 header('HTTP/1.0 401 Unauthorized');
1634                                 exit;
1635                         }
1636                 }
1637
1638                 return true;
1639         }
1640
1641         function authenticate_user($link, $login, $password, $force_auth = false) {
1642
1643                 if (!SINGLE_USER_MODE) {
1644
1645                         $pwd_hash1 = encrypt_password($password);
1646                         $pwd_hash2 = encrypt_password($password, $login);
1647
1648                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1649                                         && $_SERVER["REMOTE_USER"]) {
1650
1651                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1652
1653                                 $query = "SELECT id,login,access_level
1654                     FROM ttrss_users WHERE
1655                                         login = '$login'";
1656
1657                         } else {
1658                                 $query = "SELECT id,login,access_level,pwd_hash
1659                     FROM ttrss_users WHERE
1660                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1661                                                 pwd_hash = '$pwd_hash2')";
1662                         }
1663
1664                         $result = db_query($link, $query);
1665
1666                         if (db_num_rows($result) == 1) {
1667                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1668                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1669                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1670
1671                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1672                                         $_SESSION["uid"]);
1673
1674                                 $user_theme = get_user_theme_path($link);
1675
1676                                 $_SESSION["theme"] = $user_theme;
1677                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1678                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1679
1680                                 initialize_user_prefs($link, $_SESSION["uid"]);
1681
1682                                 return true;
1683                         }
1684
1685                         return false;
1686
1687                 } else {
1688
1689                         $_SESSION["uid"] = 1;
1690                         $_SESSION["name"] = "admin";
1691
1692                         $user_theme = get_user_theme_path($link);
1693
1694                         $_SESSION["theme"] = $user_theme;
1695                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1696
1697                         initialize_user_prefs($link, $_SESSION["uid"]);
1698
1699                         return true;
1700                 }
1701         }
1702
1703         function make_password($length = 8) {
1704
1705                 $password = "";
1706                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1707
1708         $i = 0;
1709
1710                 while ($i < $length) {
1711                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1712
1713                         if (!strstr($password, $char)) {
1714                                 $password .= $char;
1715                                 $i++;
1716                         }
1717                 }
1718                 return $password;
1719         }
1720
1721         // this is called after user is created to initialize default feeds, labels
1722         // or whatever else
1723
1724         // user preferences are checked on every login, not here
1725
1726         function initialize_user($link, $uid) {
1727
1728                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1729                         values ('$uid','unread = true', 'Unread articles')");
1730
1731                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1732                         values ('$uid','last_read is null and unread = false', 'Updated articles')");
1733
1734                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1735                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1736                         'http://tt-rss.spb.ru/releases.rss')");
1737
1738                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1739                         values ('$uid', 'Tiny Tiny RSS: Forum',
1740                         'http://tt-rss.spb.ru/forum/rss.php')");
1741         }
1742
1743         function logout_user() {
1744                 session_destroy();
1745                 if (isset($_COOKIE[session_name()])) {
1746                    setcookie(session_name(), '', time()-42000, '/');
1747                 }
1748         }
1749
1750         function get_script_urlpath() {
1751                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1752         }
1753
1754         function validate_session($link) {
1755                 if (SINGLE_USER_MODE) {
1756                         return true;
1757                 }
1758
1759                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1760                         if ($_SESSION["ip_address"]) {
1761                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1762                                         $_SESSION["login_error_msg"] = "Session failed to validate (incorrect IP)";
1763                                         return false;
1764                                 }
1765                         }
1766                 }
1767
1768                 if ($_SESSION["uid"]) {
1769
1770                         $result = db_query($link,
1771                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1772
1773                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1774
1775                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1776                                 return false;
1777                         }
1778                 }
1779
1780 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1781
1782                         //print_r($_SESSION);
1783
1784                         if (time() > $_SESSION["cookie_lifetime"]) {
1785                                 return false;
1786                         }
1787                 } */
1788
1789                 return true;
1790         }
1791
1792         function login_sequence($link, $mobile = false) {
1793                 if (!SINGLE_USER_MODE) {
1794
1795                         if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1796                                 $swu = db_escape_string($_REQUEST["swu"]);
1797                                 if ($swu) {
1798                                         $_SESSION["prefs_cache"] = false;
1799                                         return authenticate_user($link, $swu, null, true);
1800                                 }
1801                         }
1802
1803                         $login_action = $_POST["login_action"];
1804
1805                         # try to authenticate user if called from login form
1806                         if ($login_action == "do_login") {
1807                                 $login = $_POST["login"];
1808                                 $password = $_POST["password"];
1809                                 $remember_me = $_POST["remember_me"];
1810
1811                                 if (authenticate_user($link, $login, $password)) {
1812                                         $_POST["password"] = "";
1813
1814                                         $_SESSION["language"] = $_POST["language"];
1815
1816                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1817                                         exit;
1818
1819                                         return;
1820                                 } else {
1821                                         $_SESSION["login_error_msg"] = "Incorrect username or password";
1822                                 }
1823                         }
1824
1825 //                      print session_id();
1826 //                      print_r($_SESSION);
1827
1828                         if (!$_SESSION["uid"] || !validate_session($link)) {
1829                                 render_login_form($link, $mobile);
1830                                 exit;
1831                         } else {
1832                                 /* bump login timestamp */
1833                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1834                                         $_SESSION["uid"]);
1835
1836                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1837                                         setcookie("ttrss_lang", $_SESSION["language"],
1838                                                 time() + SESSION_COOKIE_LIFETIME);
1839                                 }
1840                         }
1841
1842                 } else {
1843                         return authenticate_user($link, "admin", null);
1844                 }
1845         }
1846
1847         function truncate_string($str, $max_len) {
1848                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1849                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
1850                 } else {
1851                         return $str;
1852                 }
1853         }
1854
1855         function get_user_theme_path($link) {
1856                 $result = db_query($link, "SELECT theme_path
1857                         FROM
1858                                 ttrss_themes,ttrss_users
1859                         WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1860                 if (db_num_rows($result) != 0) {
1861                         return db_fetch_result($result, 0, "theme_path");
1862                 } else {
1863                         return null;
1864                 }
1865         }
1866
1867         function smart_date_time($timestamp) {
1868                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1869                         return date("G:i", $timestamp);
1870                 } else if (date("Y", $timestamp) == date("Y")) {
1871                         return date("M d, G:i", $timestamp);
1872                 } else {
1873                         return date("Y/m/d, G:i", $timestamp);
1874                 }
1875         }
1876
1877         function smart_date($timestamp) {
1878                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1879                         return "Today";
1880                 } else if (date("Y", $timestamp) == date("Y")) {
1881                         return date("D m", $timestamp);
1882                 } else {
1883                         return date("Y/m/d", $timestamp);
1884                 }
1885         }
1886
1887         function sql_bool_to_string($s) {
1888                 if ($s == "t" || $s == "1") {
1889                         return "true";
1890                 } else {
1891                         return "false";
1892                 }
1893         }
1894
1895         function sql_bool_to_bool($s) {
1896                 if ($s == "t" || $s == "1") {
1897                         return true;
1898                 } else {
1899                         return false;
1900                 }
1901         }
1902
1903
1904         function toggleEvenOdd($a) {
1905                 if ($a == "even")
1906                         return "odd";
1907                 else
1908                         return "even";
1909         }
1910
1911         function sanity_check($link) {
1912
1913                 error_reporting(0);
1914
1915                 $error_code = 0;
1916                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
1917                 $schema_version = db_fetch_result($result, 0, "schema_version");
1918
1919                 if ($schema_version != SCHEMA_VERSION) {
1920                         $error_code = 5;
1921                 }
1922
1923                 if (DB_TYPE == "mysql") {
1924                         $result = db_query($link, "SELECT true", false);
1925                         if (db_num_rows($result) != 1) {
1926                                 $error_code = 10;
1927                         }
1928                 }
1929
1930                 error_reporting (DEFAULT_ERROR_LEVEL);
1931
1932                 if ($error_code != 0) {
1933                         print_error_xml($error_code);
1934                         return false;
1935                 } else {
1936                         return true;
1937                 }
1938         }
1939
1940         function file_is_locked($filename) {
1941                 if (function_exists('flock')) {
1942                         error_reporting(0);
1943                         $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
1944                         error_reporting(DEFAULT_ERROR_LEVEL);
1945                         if ($fp) {
1946                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1947                                         flock($fp, LOCK_UN);
1948                                         fclose($fp);
1949                                         return false;
1950                                 }
1951                                 fclose($fp);
1952                                 return true;
1953                         }
1954                 }
1955                 return false;
1956         }
1957
1958         function make_lockfile($filename) {
1959                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1960
1961                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1962                         return $fp;
1963                 } else {
1964                         return false;
1965                 }
1966         }
1967
1968         function make_stampfile($filename) {
1969                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1970
1971                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1972                         fwrite($fp, time() . "\n");
1973                         flock($fp, LOCK_UN);
1974                         fclose($fp);
1975                         return true;
1976                 } else {
1977                         return false;
1978                 }
1979         }
1980
1981         function read_stampfile($filename) {
1982
1983                 error_reporting(0);
1984                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
1985                 error_reporting (DEFAULT_ERROR_LEVEL);
1986
1987                 if (flock($fp, LOCK_EX)) {
1988                         $stamp = fgets($fp);
1989                         flock($fp, LOCK_UN);
1990                         fclose($fp);
1991                         return $stamp;
1992                 } else {
1993                         return false;
1994                 }
1995         }
1996
1997         function sql_random_function() {
1998                 if (DB_TYPE == "mysql") {
1999                         return "RAND()";
2000                 } else {
2001                         return "RANDOM()";
2002                 }
2003         }
2004
2005         function catchup_feed($link, $feed, $cat_view) {
2006
2007                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2008
2009                                 if ($cat_view) {
2010
2011                                         if ($feed > 0) {
2012                                                 $cat_qpart = "cat_id = '$feed'";
2013                                         } else {
2014                                                 $cat_qpart = "cat_id IS NULL";
2015                                         }
2016
2017                                         $tmp_result = db_query($link, "SELECT id
2018                                                 FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " .
2019                                                 $_SESSION["uid"]);
2020
2021                                         while ($tmp_line = db_fetch_assoc($tmp_result)) {
2022
2023                                                 $tmp_feed = $tmp_line["id"];
2024
2025                                                 db_query($link, "UPDATE ttrss_user_entries
2026                                                         SET unread = false,last_read = NOW()
2027                                                         WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
2028                                         }
2029
2030                                 } else if ($feed > 0) {
2031
2032                                         $tmp_result = db_query($link, "SELECT id
2033                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2034                                                 ORDER BY cat_id,title");
2035
2036                                         $parent_ids = array();
2037
2038                                         if (db_num_rows($tmp_result) > 0) {
2039                                                 while ($p = db_fetch_assoc($tmp_result)) {
2040                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2041                                                 }
2042
2043                                                 $children_qpart = implode(" OR ", $parent_ids);
2044
2045                                                 db_query($link, "UPDATE ttrss_user_entries
2046                                                         SET unread = false,last_read = NOW()
2047                                                         WHERE (feed_id = '$feed' OR $children_qpart)
2048                                                         AND owner_uid = " . $_SESSION["uid"]);
2049
2050                                         } else {
2051                                                 db_query($link, "UPDATE ttrss_user_entries
2052                                                         SET unread = false,last_read = NOW()
2053                                                         WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
2054                                         }
2055
2056                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2057
2058                                         if ($feed == -1) {
2059                                                 db_query($link, "UPDATE ttrss_user_entries
2060                                                         SET unread = false,last_read = NOW()
2061                                                         WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
2062                                         }
2063
2064                                         if ($feed == -2) {
2065                                                 db_query($link, "UPDATE ttrss_user_entries
2066                                                         SET unread = false,last_read = NOW()
2067                                                         WHERE published = true AND owner_uid = ".$_SESSION["uid"]);
2068                                         }
2069
2070                                         if ($feed == -3) {
2071
2072                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2073
2074                                                 if (DB_TYPE == "pgsql") {
2075                                                         $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
2076                                                 } else {
2077                                                         $match_part = "date_entered > DATE_SUB(NOW(),
2078                                                                 INTERVAL $intl HOUR) ";
2079                                                 }
2080
2081                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2082                                                         ttrss_user_entries WHERE $match_part AND
2083                                                         unread = true AND
2084                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2085                                                         owner_uid = ".$_SESSION["uid"]);
2086
2087                                                 $affected_ids = array();
2088
2089                                                 while ($line = db_fetch_assoc($result)) {
2090                                                         array_push($affected_ids, $line["id"]);
2091                                                 }
2092
2093                                                 catchupArticlesById($link, $affected_ids, 0);
2094                                         }
2095
2096                                 } else if ($feed < -10) { // label
2097
2098                                         // TODO make this more efficient
2099
2100                                         $label_id = -$feed - 11;
2101
2102                                         $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
2103                                                 WHERE id = '$label_id'");
2104
2105                                         if ($tmp_result) {
2106                                                 $sql_exp = db_fetch_result($tmp_result, 0, "sql_exp");
2107
2108                                                 db_query($link, "BEGIN");
2109
2110                                                 $tmp2_result = db_query($link,
2111                                                         "SELECT
2112                                                                 int_id
2113                                                         FROM
2114                                                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
2115                                                         WHERE
2116                                                                 ref_id = ttrss_entries.id AND
2117                                                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2118                                                                 $sql_exp AND
2119                                                                 ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
2120
2121                                                 while ($tmp_line = db_fetch_assoc($tmp2_result)) {
2122                                                         db_query($link, "UPDATE
2123                                                                 ttrss_user_entries
2124                                                         SET
2125                                                                 unread = false, last_read = NOW()
2126                                                         WHERE
2127                                                                 int_id = " . $tmp_line["int_id"]);
2128                                                 }
2129
2130                                                 db_query($link, "COMMIT");
2131
2132 /*                                              db_query($link, "UPDATE ttrss_user_entries,ttrss_entries
2133                                                         SET unread = false,last_read = NOW()
2134                                                         WHERE $sql_exp
2135                                                         AND ref_id = id
2136                                                         AND owner_uid = ".$_SESSION["uid"]); */
2137                                         }
2138                                 }
2139                         } else { // tag
2140                                 db_query($link, "BEGIN");
2141
2142                                 $tag_name = db_escape_string($feed);
2143
2144                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2145                                         WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
2146
2147                                 while ($line = db_fetch_assoc($result)) {
2148                                         db_query($link, "UPDATE ttrss_user_entries SET
2149                                                 unread = false, last_read = NOW()
2150                                                 WHERE int_id = " . $line["post_int_id"]);
2151                                 }
2152                                 db_query($link, "COMMIT");
2153                         }
2154         }
2155
2156         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2157                         if ($cat_view) {
2158
2159                                 if ($feed > 0) {
2160                                         $cat_qpart = "cat_id = '$feed'";
2161                                 } else {
2162                                         $cat_qpart = "cat_id IS NULL";
2163                                 }
2164
2165                                 $tmp_result = db_query($link, "SELECT id,feed_url FROM ttrss_feeds
2166                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2167
2168                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2169                                         $feed_url = $tmp_line["feed_url"];
2170                                         $feed_id = $tmp_line["id"];
2171                                         update_rss_feed($link, $feed_url, $feed_id, $force_update);
2172                                 }
2173
2174                         } else {
2175                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
2176                                         WHERE id = '$feed'");
2177                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
2178                                 update_rss_feed($link, $feed_url, $feed, $force_update);
2179                         }
2180         }
2181
2182         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2183 /*              getLabelCounters($link);
2184                 getFeedCounters($link);
2185                 getTagCounters($link);
2186                 getGlobalCounters($link);
2187                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
2188                         getCategoryCounters($link);
2189                 } */
2190
2191                 if (!$omode) $omode = "flc";
2192
2193                 getGlobalCounters($link);
2194
2195                 if (strchr($omode, "l")) getLabelCounters($link);
2196                 if (strchr($omode, "f")) getFeedCounters($link, SMART_RPC_COUNTERS, $active_feed);
2197                 if (strchr($omode, "t")) getTagCounters($link);
2198                 if (strchr($omode, "c")) {
2199                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2200                                 getCategoryCounters($link);
2201                         }
2202                 }
2203         }
2204
2205         function getCategoryCounters($link) {
2206                 # two special categories are -1 and -2 (all virtuals; all labels)
2207
2208                 $ctr = getCategoryUnread($link, -1);
2209
2210                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>";
2211
2212                 $ctr = getCategoryUnread($link, -2);
2213
2214                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
2215
2216                 $age_qpart = getMaxAgeSubquery();
2217
2218                 $result = db_query($link, "SELECT cat_id,SUM((SELECT COUNT(int_id)
2219                                 FROM ttrss_user_entries, ttrss_entries WHERE feed_id = ttrss_feeds.id
2220                                         AND id = ref_id AND $age_qpart
2221                                         AND unread = true)) AS unread FROM ttrss_feeds
2222                         WHERE
2223                                 hidden = false AND owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
2224
2225                 while ($line = db_fetch_assoc($result)) {
2226                         $line["cat_id"] = sprintf("%d", $line["cat_id"]);
2227                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
2228                                 $line["unread"]."\"/>";
2229                 }
2230         }
2231
2232         function getCategoryUnread($link, $cat) {
2233
2234                 if ($cat >= 0) {
2235
2236                         if ($cat != 0) {
2237                                 $cat_query = "cat_id = '$cat'";
2238                         } else {
2239                                 $cat_query = "cat_id IS NULL";
2240                         }
2241
2242                         $age_qpart = getMaxAgeSubquery();
2243
2244                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2245                                         AND hidden = false
2246                                         AND owner_uid = " . $_SESSION["uid"]);
2247
2248                         $cat_feeds = array();
2249                         while ($line = db_fetch_assoc($result)) {
2250                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2251                         }
2252
2253                         if (count($cat_feeds) == 0) return 0;
2254
2255                         $match_part = implode(" OR ", $cat_feeds);
2256
2257                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2258                                 FROM ttrss_user_entries,ttrss_entries
2259                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2260                                 AND $age_qpart AND owner_uid = " . $_SESSION["uid"]);
2261
2262                         $unread = 0;
2263
2264                         # this needs to be rewritten
2265                         while ($line = db_fetch_assoc($result)) {
2266                                 $unread += $line["unread"];
2267                         }
2268
2269                         return $unread;
2270                 } else if ($cat == -1) {
2271                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3);
2272                 } else if ($cat == -2) {
2273
2274                         $rv = getLabelCounters($link, false, true);
2275                         $ctr = 0;
2276
2277                         foreach (array_keys($rv) as $k) {
2278                                 if ($k < -10) {
2279                                         $ctr += $rv[$k]["counter"];
2280                                 }
2281                         }
2282
2283                         return $ctr;
2284                 }
2285         }
2286
2287         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2288                 if (DB_TYPE == "pgsql") {
2289                         return "ttrss_entries.date_entered >
2290                                 NOW() - INTERVAL '$days days'";
2291                 } else {
2292                         return "ttrss_entries.date_entered >
2293                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2294                 }
2295         }
2296
2297         function getFeedUnread($link, $feed, $is_cat = false) {
2298                 $n_feed = sprintf("%d", $feed);
2299
2300                 $age_qpart = getMaxAgeSubquery();
2301
2302                 if ($is_cat) {
2303                         return getCategoryUnread($link, $n_feed);
2304                 } else if ($n_feed == -1) {
2305                         $match_part = "marked = true";
2306                 } else if ($n_feed == -2) {
2307                         $match_part = "published = true";
2308                 } else if ($n_feed == -3) {
2309                         $match_part = "unread = true";
2310
2311                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2312
2313                         if (DB_TYPE == "pgsql") {
2314                                 $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2315                         } else {
2316                                 $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2317                         }
2318
2319                 } else if ($n_feed > 0) {
2320
2321                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2322                                         WHERE parent_feed = '$n_feed'
2323                                         AND hidden = false
2324                                         AND owner_uid = " . $_SESSION["uid"]);
2325
2326                         if (db_num_rows($result) > 0) {
2327
2328                                 $linked_feeds = array();
2329                                 while ($line = db_fetch_assoc($result)) {
2330                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2331                                 }
2332
2333                                 array_push($linked_feeds, "feed_id = $n_feed");
2334
2335                                 $match_part = implode(" OR ", $linked_feeds);
2336
2337                                 $result = db_query($link, "SELECT COUNT(int_id) AS unread
2338                                         FROM ttrss_user_entries,ttrss_entries
2339                                         WHERE   unread = true AND
2340                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2341                                         $age_qpart AND
2342                                         ($match_part) AND
2343                                         owner_uid = " . $_SESSION["uid"]);
2344
2345                                 $unread = 0;
2346
2347                                 # this needs to be rewritten
2348                                 while ($line = db_fetch_assoc($result)) {
2349                                         $unread += $line["unread"];
2350                                 }
2351
2352                                 return $unread;
2353
2354                         } else {
2355                                 $match_part = "feed_id = '$n_feed'";
2356                         }
2357                 } else if ($feed < -10) {
2358
2359                         $label_id = -$feed - 11;
2360
2361                         $result = db_query($link, "SELECT sql_exp FROM ttrss_labels WHERE
2362                                 id = '$label_id' AND owner_uid = " . $_SESSION["uid"]);
2363
2364                         $match_part = db_fetch_result($result, 0, "sql_exp");
2365                 }
2366
2367                 if ($match_part) {
2368
2369                         $result = db_query($link, "SELECT count(int_id) AS unread
2370                                 FROM ttrss_user_entries,ttrss_feeds,ttrss_entries WHERE
2371                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2372                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2373                                 ttrss_feeds.hidden = false AND
2374                                 $age_qpart AND
2375                                 unread = true AND ($match_part) AND ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
2376
2377                 } else {
2378
2379                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2380                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2381                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2382                                 AND unread = true AND $age_qpart AND
2383                                         ttrss_tags.owner_uid = " . $_SESSION["uid"]);
2384                 }
2385
2386                 $unread = db_fetch_result($result, 0, "unread");
2387
2388                 return $unread;
2389         }
2390
2391         /* FIXME this needs reworking */
2392
2393         function getGlobalUnread($link, $user_id = false) {
2394
2395                 if (!$user_id) {
2396                         $user_id = $_SESSION["uid"];
2397                 }
2398
2399                 $age_qpart = getMaxAgeSubquery();
2400
2401                 $result = db_query($link, "SELECT count(ttrss_entries.id) as c_id FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2402                         WHERE unread = true AND
2403                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
2404                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2405                         hidden = false AND
2406                         $age_qpart AND
2407                         ttrss_user_entries.owner_uid = '$user_id'");
2408                 $c_id = db_fetch_result($result, 0, "c_id");
2409                 return $c_id;
2410         }
2411
2412         function getGlobalCounters($link, $global_unread = -1) {
2413                 if ($global_unread == -1) {
2414                         $global_unread = getGlobalUnread($link);
2415                 }
2416                 print "<counter type=\"global\" id='global-unread'
2417                         counter='$global_unread'/>";
2418
2419                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2420                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2421
2422                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2423
2424                 print "<counter type=\"global\" id='subscribed-feeds'
2425                         counter='$subscribed_feeds'/>";
2426
2427         }
2428
2429         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
2430
2431                 if ($smart_mode) {
2432                         if (!$_SESSION["tctr_last_value"]) {
2433                                 $_SESSION["tctr_last_value"] = array();
2434                         }
2435                 }
2436
2437                 $old_counters = $_SESSION["tctr_last_value"];
2438
2439                 $tctrs_modified = false;
2440
2441 /*              $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
2442                         FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
2443                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2444                         ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
2445                         post_int_id = ttrss_user_entries.int_id AND unread = true GROUP BY tag_name
2446                 UNION
2447                         select tag_name,0 as count FROM ttrss_tags
2448                         WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]); */
2449
2450                 $age_qpart = getMaxAgeSubquery();
2451
2452                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2453                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2454                                 AND ref_id = id AND $age_qpart
2455                                 AND unread = true)) AS count FROM ttrss_tags
2456                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2457                                 ORDER BY count DESC LIMIT 55");
2458
2459                 $tags = array();
2460
2461                 while ($line = db_fetch_assoc($result)) {
2462                         $tags[$line["tag_name"]] += $line["count"];
2463                 }
2464
2465                 foreach (array_keys($tags) as $tag) {
2466                         $unread = $tags[$tag];
2467
2468                         $tag = htmlspecialchars($tag);
2469
2470                         if (!$smart_mode || $old_counters[$tag] != $unread) {
2471                                 $old_counters[$tag] = $unread;
2472                                 $tctrs_modified = true;
2473                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2474                         }
2475
2476                 }
2477
2478                 if ($smart_mode && $tctrs_modified) {
2479                         $_SESSION["tctr_last_value"] = $old_counters;
2480                 }
2481
2482         }
2483
2484         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2485
2486                 $age_qpart = getMaxAgeSubquery();
2487
2488                 if ($smart_mode) {
2489                         if (!$_SESSION["lctr_last_value"]) {
2490                                 $_SESSION["lctr_last_value"] = array();
2491                         }
2492                 }
2493
2494                 $ret_arr = array();
2495
2496                 $old_counters = $_SESSION["lctr_last_value"];
2497                 $lctrs_modified = false;
2498
2499                 $count = getFeedUnread($link, -1);
2500
2501                 if (!$ret_mode) {
2502                         print "<counter type=\"label\" id=\"-1\" counter=\"$count\"/>";
2503                 } else {
2504                         $ret_arr["-1"]["counter"] = $count;
2505                         $ret_arr["-1"]["description"] = __("Starred articles");
2506                 }
2507
2508                 $count = getFeedUnread($link, -2);
2509
2510                 if (!$ret_mode) {
2511                         print "<counter type=\"label\" id=\"-2\" counter=\"$count\"/>";
2512                 } else {
2513                         $ret_arr["-2"]["counter"] = $count;
2514                         $ret_arr["-2"]["description"] = __("Published articles");
2515                 }
2516
2517                 $count = getFeedUnread($link, -3);
2518
2519                 if (!$ret_mode) {
2520                         print "<counter type=\"label\" id=\"-3\" counter=\"$count\"/>";
2521                 } else {
2522                         $ret_arr["-3"]["counter"] = $count;
2523                         $ret_arr["-3"]["description"] = __("Fresh articles");
2524                 }
2525
2526
2527                 $result = db_query($link, "SELECT owner_uid,id,sql_exp,description FROM
2528                         ttrss_labels WHERE owner_uid = ".$_SESSION["uid"]." ORDER by description");
2529
2530                 while ($line = db_fetch_assoc($result)) {
2531
2532                         $id = -$line["id"] - 11;
2533
2534                         $label_name = $line["description"];
2535
2536                         error_reporting (0);
2537
2538                         $tmp_result = db_query($link, "SELECT count(ttrss_entries.id) as count FROM ttrss_user_entries,ttrss_entries,ttrss_feeds
2539                                 WHERE (" . $line["sql_exp"] . ") AND unread = true AND
2540                                 ttrss_feeds.hidden = false AND
2541                                 $age_qpart AND
2542                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2543                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2544                                 ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
2545
2546                         $count = db_fetch_result($tmp_result, 0, "count");
2547
2548                         if (!$smart_mode || $old_counters[$id] != $count) {
2549                                 $old_counters[$id] = $count;
2550                                 $lctrs_modified = true;
2551                                 if (!$ret_mode) {
2552                                         print "<counter type=\"label\" id=\"$id\" counter=\"$count\"/>";
2553                                 } else {
2554                                         $ret_arr[$id]["counter"] = $count;
2555                                         $ret_arr[$id]["description"] = $label_name;
2556                                 }
2557                         }
2558
2559                         error_reporting (DEFAULT_ERROR_LEVEL);
2560                 }
2561
2562                 if ($smart_mode && $lctrs_modified) {
2563                         $_SESSION["lctr_last_value"] = $old_counters;
2564                 }
2565
2566                 return $ret_arr;
2567         }
2568
2569 /*      function getFeedCounter($link, $id) {
2570
2571                 $result = db_query($link, "SELECT
2572                                 count(id) as count,last_error
2573                         FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2574                         WHERE feed_id = '$id' AND unread = true
2575                         AND ttrss_user_entries.feed_id = ttrss_feeds.id
2576                         AND ttrss_user_entries.ref_id = ttrss_entries.id");
2577
2578                         $count = db_fetch_result($result, 0, "count");
2579                         $last_error = htmlspecialchars(db_fetch_result($result, 0, "last_error"));
2580
2581                         print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" error=\"$last_error\"/>";
2582         } */
2583
2584         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS, $active_feed = false) {
2585
2586                 $age_qpart = getMaxAgeSubquery();
2587
2588                 if ($smart_mode) {
2589                         if (!$_SESSION["fctr_last_value"]) {
2590                                 $_SESSION["fctr_last_value"] = array();
2591                         }
2592                 }
2593
2594                 $old_counters = $_SESSION["fctr_last_value"];
2595
2596 /*              $result = db_query($link, "SELECT id,last_error,parent_feed,
2597                         SUBSTRING(last_updated,1,19) AS last_updated,
2598                         (SELECT count(id)
2599                                 FROM ttrss_entries,ttrss_user_entries
2600                                 WHERE feed_id = ttrss_feeds.id AND
2601                                         ttrss_user_entries.ref_id = ttrss_entries.id
2602                                 AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
2603                         FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"] . "
2604                         AND parent_feed IS NULL"); */
2605
2606                 $query = "SELECT ttrss_feeds.id,
2607                                 ttrss_feeds.title,
2608                                 SUBSTRING(ttrss_feeds.last_updated,1,19) AS last_updated,
2609                                 last_error,
2610                                 COUNT(ttrss_entries.id) AS count
2611                         FROM ttrss_feeds
2612                                 LEFT JOIN ttrss_user_entries ON (ttrss_user_entries.feed_id = ttrss_feeds.id
2613                                         AND ttrss_user_entries.owner_uid = ttrss_feeds.owner_uid
2614                                         AND ttrss_user_entries.unread = true)
2615                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id AND
2616                                         $age_qpart)
2617                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2618                                 AND parent_feed IS NULL
2619                         GROUP BY ttrss_feeds.id, ttrss_feeds.title, ttrss_feeds.last_updated, last_error";
2620
2621                 $result = db_query($link, $query);
2622                 $fctrs_modified = false;
2623
2624                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2625
2626                 while ($line = db_fetch_assoc($result)) {
2627
2628                         $id = $line["id"];
2629                         $count = $line["count"];
2630                         $last_error = htmlspecialchars($line["last_error"]);
2631
2632                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2633                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2634                         } else {
2635                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2636                         }
2637
2638                         $last_updated = htmlspecialchars($last_updated);
2639
2640                         $has_img = is_file(ICONS_DIR . "/$id.ico");
2641
2642                         $tmp_result = db_query($link,
2643                                 "SELECT ttrss_feeds.id,COUNT(unread) AS unread
2644                                 FROM ttrss_feeds LEFT JOIN ttrss_user_entries
2645                                         ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
2646                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id)
2647                                 WHERE parent_feed = '$id' AND $age_qpart AND unread = true GROUP BY ttrss_feeds.id");
2648
2649                         if (db_num_rows($tmp_result) > 0) {
2650                                 while ($l = db_fetch_assoc($tmp_result)) {
2651                                         $count += $l["unread"];
2652                                 }
2653                         }
2654
2655                         if (!$smart_mode || $old_counters[$id] != $count) {
2656                                 $old_counters[$id] = $count;
2657                                 $fctrs_modified = true;
2658
2659                                 if ($last_error) {
2660                                         $error_part = "error=\"$last_error\"";
2661                                 } else {
2662                                         $error_part = "";
2663                                 }
2664
2665                                 if ($has_img) {
2666                                         $has_img_part = "hi=\"$has_img\"";
2667                                 } else {
2668                                         $has_img_part = "";
2669                                 }
2670
2671                                 if ($active_feed && $id == $active_feed) {
2672                                         $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2673                                 } else {
2674                                         $has_title_part = "";
2675                                 }
2676
2677                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $has_title_part/>";
2678                         }
2679                 }
2680
2681                 if ($smart_mode && $fctrs_modified) {
2682                         $_SESSION["fctr_last_value"] = $old_counters;
2683                 }
2684         }
2685
2686         function get_script_dt_add() {
2687                 if (strpos(VERSION, ".99") === false) {
2688                         return VERSION;
2689                 } else {
2690                         return time();
2691                 }
2692         }
2693
2694         function get_pgsql_version($link) {
2695                 $result = db_query($link, "SELECT version() AS version");
2696                 $version = split(" ", db_fetch_result($result, 0, "version"));
2697                 return $version[1];
2698         }
2699
2700         function print_error_xml($code, $add_msg = "") {
2701                 global $ERRORS;
2702
2703                 $error_msg = $ERRORS[$code];
2704
2705                 if ($add_msg) {
2706                         $error_msg = "$error_msg; $add_msg";
2707                 }
2708
2709                 print "<rpc-reply>";
2710                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2711                 print "</rpc-reply>";
2712         }
2713
2714         function subscribe_to_feed($link, $feed_link, $cat_id = 0,
2715                         $auth_login = '', $auth_pass = '') {
2716
2717                 # check for feed:http://url
2718                 $feed_link = trim(preg_replace("/^feed:/", "", $feed_link));
2719
2720                 # check for feed://URL
2721                 if (strpos($feed_link, "//") === 0) {
2722                         $feed_link = "http:$feed_link";
2723                 }
2724
2725                 if ($feed_link == "") return;
2726
2727                 if ($cat_id == "0" || !$cat_id) {
2728                         $cat_qpart = "NULL";
2729                 } else {
2730                         $cat_qpart = "'$cat_id'";
2731                 }
2732
2733                 $result = db_query($link,
2734                         "SELECT id FROM ttrss_feeds
2735                         WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
2736
2737                 if (db_num_rows($result) == 0) {
2738
2739                         $result = db_query($link,
2740                                 "INSERT INTO ttrss_feeds
2741                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2742                                 VALUES ('".$_SESSION["uid"]."', '$feed_link',
2743                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2744
2745                         $result = db_query($link,
2746                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link'
2747                                         AND owner_uid = " . $_SESSION["uid"]);
2748
2749                         $feed_id = db_fetch_result($result, 0, "id");
2750
2751                         if ($feed_id) {
2752                                 update_rss_feed($link, $feed_link, $feed_id, true);
2753                         }
2754
2755                         return true;
2756                 } else {
2757                         return false;
2758                 }
2759         }
2760
2761         function print_feed_select($link, $id, $default_id = "",
2762                 $attributes = "", $include_all_feeds = true) {
2763
2764                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2765                 if ($include_all_feeds) {
2766                         print "<option value=\"0\">".__('All feeds')."</option>";
2767                 }
2768
2769                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2770                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2771
2772                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2773                         print "<option disabled>--------</option>";
2774                 }
2775
2776                 while ($line = db_fetch_assoc($result)) {
2777                         if ($line["id"] == $default_id) {
2778                                 $is_selected = "selected";
2779                         } else {
2780                                 $is_selected = "";
2781                         }
2782                         printf("<option $is_selected value='%d'>%s</option>",
2783                                 $line["id"], htmlspecialchars($line["title"]));
2784                 }
2785
2786                 print "</select>";
2787         }
2788
2789         function print_feed_cat_select($link, $id, $default_id = "",
2790                 $attributes = "", $include_all_cats = true) {
2791
2792                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2793
2794                 if ($include_all_cats) {
2795                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2796                 }
2797
2798                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2799                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2800
2801                 if (db_num_rows($result) > 0 && $include_all_cats) {
2802                         print "<option disabled>--------</option>";
2803                 }
2804
2805                 while ($line = db_fetch_assoc($result)) {
2806                         if ($line["id"] == $default_id) {
2807                                 $is_selected = "selected";
2808                         } else {
2809                                 $is_selected = "";
2810                         }
2811                         printf("<option $is_selected value='%d'>%s</option>",
2812                                 $line["id"], htmlspecialchars($line["title"]));
2813                 }
2814
2815                 print "</select>";
2816         }
2817
2818         function checkbox_to_sql_bool($val) {
2819                 return ($val == "on") ? "true" : "false";
2820         }
2821
2822         function getFeedCatTitle($link, $id) {
2823                 if ($id == -1) {
2824                         return __("Special");
2825                 } else if ($id < -10) {
2826                         return __("Labels");
2827                 } else if ($id > 0) {
2828                         $result = db_query($link, "SELECT ttrss_feed_categories.title
2829                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2830                                         cat_id = ttrss_feed_categories.id");
2831                         if (db_num_rows($result) == 1) {
2832                                 return db_fetch_result($result, 0, "title");
2833                         } else {
2834                                 return __("Uncategorized");
2835                         }
2836                 } else {
2837                         return "getFeedCatTitle($id) failed";
2838                 }
2839
2840         }
2841
2842         function getFeedTitle($link, $id) {
2843                 if ($id == -1) {
2844                         return __("Starred articles");
2845                 } else if ($id == -2) {
2846                         return __("Published articles");
2847                 } else if ($id == -3) {
2848                         return __("Fresh articles");
2849                 } else if ($id < -10) {
2850                         $label_id = -10 - $id;
2851                         $result = db_query($link, "SELECT description FROM ttrss_labels WHERE id = '$label_id'");
2852                         if (db_num_rows($result) == 1) {
2853                                 return db_fetch_result($result, 0, "description");
2854                         } else {
2855                                 return "Unknown label ($label_id)";
2856                         }
2857
2858                 } else if ($id > 0) {
2859                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2860                         if (db_num_rows($result) == 1) {
2861                                 return db_fetch_result($result, 0, "title");
2862                         } else {
2863                                 return "Unknown feed ($id)";
2864                         }
2865                 } else {
2866                         return "getFeedTitle($id) failed";
2867                 }
2868
2869         }
2870
2871         function get_session_cookie_name() {
2872                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
2873         }
2874
2875         function print_init_params($link) {
2876                 print "<init-params>";
2877                 if ($_SESSION["stored-params"]) {
2878                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
2879                                 if ($key) {
2880                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
2881                                         print "<param key=\"$key\" value=\"$value\"/>";
2882                                 }
2883                         }
2884                 }
2885
2886                 print "<param key=\"theme\" value=\"".$_SESSION["theme"]."\"/>";
2887                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
2888                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
2889                 print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
2890
2891                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
2892                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
2893
2894                 print "<param key=\"hide_read_feeds\" value=\"" .
2895                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
2896
2897                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
2898                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
2899
2900                 print "<param key=\"confirm_feed_catchup\" value=\"" .
2901                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
2902
2903                 print "<param key=\"cdm_auto_catchup\" value=\"" .
2904                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
2905
2906                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
2907
2908                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
2909
2910                 print "<param key=\"default_view_mode\" value=\"" .
2911                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
2912
2913                 print "<param key=\"default_view_limit\" value=\"" .
2914                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
2915
2916                 print "<param key=\"prefs_active_tab\" value=\"" .
2917                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
2918
2919                 print "<param key=\"infobox_disable_overlay\" value=\"" .
2920                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
2921
2922                 print "<param key=\"icons_location\" value=\"" .
2923                         ICONS_URL . "\"/>";
2924
2925                 print "<param key=\"hide_read_shows_special\" value=\"" .
2926                         (int) get_pref($link, "HIDE_READ_SHOWS_SPECIAL") . "\"/>";
2927
2928                 if (defined('_HIDDEN_FL_TEST')) {
2929                         print "<param key=\"hide_feedlist\" value=\"1\"/>";
2930                 }
2931
2932                 print "</init-params>";
2933         }
2934
2935         function print_runtime_info($link) {
2936                 print "<runtime-info>";
2937
2938                 if (ENABLE_UPDATE_DAEMON) {
2939                         print "<param key=\"daemon_is_running\" value=\"".
2940                                 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
2941
2942                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2943
2944                                 $stamp = (int)read_stampfile("update_daemon.stamp");
2945
2946 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
2947
2948                                 if ($stamp) {
2949                                         $stamp_delta = time() - $stamp;
2950
2951                                         if ($stamp_delta > 1800) {
2952                                                 $stamp_check = 0;
2953                                         } else {
2954                                                 $stamp_check = 1;
2955                                                 $_SESSION["daemon_stamp_check"] = time();
2956                                         }
2957
2958                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
2959
2960                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
2961
2962                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
2963                                 }
2964                         }
2965                 }
2966
2967                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
2968
2969                         if ($_SESSION["last_version_check"] + 7200 < time()) {
2970                                 $new_version_details = check_for_update($link);
2971
2972                                 print "<param key=\"new_version_available\" value=\"".
2973                                         sprintf("%d", $new_version_details != ""). "\"/>";
2974
2975                                 $_SESSION["last_version_check"] = time();
2976                         }
2977                 }
2978
2979 //              print "<param key=\"new_version_available\" value=\"1\"/>";
2980
2981                 print "</runtime-info>";
2982         }
2983
2984         function getSearchSql($search, $match_on) {
2985
2986                 $search_query_part = "";
2987
2988                 $keywords = split(" ", $search);
2989                 $query_keywords = array();
2990
2991                 if ($match_on == "both") {
2992
2993                         foreach ($keywords as $k) {
2994                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
2995                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
2996                         }
2997
2998                         $search_query_part = implode("AND", $query_keywords) . " AND ";
2999
3000                 } else if ($match_on == "title") {
3001
3002                         foreach ($keywords as $k) {
3003                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
3004                         }
3005
3006                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3007
3008                 } else if ($match_on == "content") {
3009
3010                         foreach ($keywords as $k) {
3011                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3012                         }
3013                 }
3014
3015                 $search_query_part = implode("AND", $query_keywords);
3016
3017                 return $search_query_part;
3018         }
3019
3020         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3021
3022                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3023
3024                         if ($search) {
3025
3026                                 $search_query_part = getSearchSql($search, $match_on);
3027                                 $search_query_part .= " AND ";
3028
3029                         } else {
3030                                 $search_query_part = "";
3031                         }
3032
3033                         $view_query_part = "";
3034
3035                         if ($view_mode == "adaptive") {
3036                                 if ($search) {
3037                                         $view_query_part = " ";
3038                                 } else if ($feed != -1) {
3039                                         $unread = getFeedUnread($link, $feed, $cat_view);
3040                                         if ($unread > 0) {
3041                                                 $view_query_part = " unread = true AND ";
3042                                         }
3043                                 }
3044                         }
3045
3046                         if ($view_mode == "marked") {
3047                                 $view_query_part = " marked = true AND ";
3048                         }
3049
3050                         if ($view_mode == "unread") {
3051                                 $view_query_part = " unread = true AND ";
3052                         }
3053
3054                         if ($limit > 0) {
3055                                 $limit_query_part = "LIMIT " . $limit;
3056                         }
3057
3058                         $vfeed_query_part = "";
3059
3060                         // override query strategy and enable feed display when searching globally
3061                         if ($search && $search_mode == "all_feeds") {
3062                                 $query_strategy_part = "ttrss_entries.id > 0";
3063                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3064                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3065                                 $query_strategy_part = "ttrss_entries.id > 0";
3066                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3067                                         id = feed_id) as feed_title,";
3068                         } else if ($feed >= 0 && $search && $search_mode == "this_cat") {
3069
3070                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3071
3072                                 $tmp_result = false;
3073
3074                                 if ($cat_view) {
3075                                         $tmp_result = db_query($link, "SELECT id
3076                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3077                                 } else {
3078                                         $tmp_result = db_query($link, "SELECT id
3079                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3080                                                         WHERE id = '$feed') AND id != '$feed'");
3081                                 }
3082
3083                                 $cat_siblings = array();
3084
3085                                 if (db_num_rows($tmp_result) > 0) {
3086                                         while ($p = db_fetch_assoc($tmp_result)) {
3087                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3088                                         }
3089
3090                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3091                                                 $feed, implode(" OR ", $cat_siblings));
3092
3093                                 } else {
3094                                         $query_strategy_part = "ttrss_entries.id > 0";
3095                                 }
3096
3097                         } else if ($feed >= 0) {
3098
3099                                 if ($cat_view) {
3100
3101                                         if ($feed > 0) {
3102                                                 $query_strategy_part = "cat_id = '$feed'";
3103                                         } else {
3104                                                 $query_strategy_part = "cat_id IS NULL";
3105                                         }
3106
3107                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3108
3109                                 } else {
3110                                         $tmp_result = db_query($link, "SELECT id
3111                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3112                                                 ORDER BY cat_id,title");
3113
3114                                         $parent_ids = array();
3115
3116                                         if (db_num_rows($tmp_result) > 0) {
3117                                                 while ($p = db_fetch_assoc($tmp_result)) {
3118                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3119                                                 }
3120
3121                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3122                                                         $feed, implode(" OR ", $parent_ids));
3123
3124                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3125                                         } else {
3126                                                 $query_strategy_part = "feed_id = '$feed'";
3127                                         }
3128                                 }
3129                         } else if ($feed == -1) { // starred virtual feed
3130                                 $query_strategy_part = "marked = true";
3131                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3132                         } else if ($feed == -2) { // published virtual feed
3133                                 $query_strategy_part = "published = true";
3134                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3135                         } else if ($feed == -3) { // fresh virtual feed
3136                                 $query_strategy_part = "unread = true";
3137
3138                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3139
3140                                 if (DB_TYPE == "pgsql") {
3141                                         $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
3142                                 } else {
3143                                         $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3144                                 }
3145
3146                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3147                         } else if ($feed <= -10) { // labels
3148                                 $label_id = -$feed - 11;
3149
3150                                 $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
3151                                         WHERE id = '$label_id'");
3152
3153                                 $query_strategy_part = db_fetch_result($tmp_result, 0, "sql_exp");
3154
3155                                 if (!$query_strategy_part) {
3156                                         return false;
3157                                 }
3158
3159                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3160                         } else {
3161                                 $query_strategy_part = "id > 0"; // dumb
3162                         }
3163
3164                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3165                                 $order_by = "updated";
3166                         } else {
3167                                 $order_by = "updated DESC";
3168                         }
3169
3170                         if ($override_order) {
3171                                 $order_by = $override_order;
3172                         }
3173
3174                         $feed_title = "";
3175
3176                         if ($search && $search_mode == "all_feeds") {
3177                                 $feed_title = __("Search results")." ($search)";
3178                         } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3179                                 $feed_title = __("Search results")." ($search, $feed)";
3180                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3181                                 $feed_title = $feed;
3182                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
3183
3184                                 if ($cat_view) {
3185
3186                                         if ($feed != 0) {
3187                                                 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
3188                                                         WHERE id = '$feed' AND owner_uid = $owner_uid");
3189                                                 $feed_title = db_fetch_result($result, 0, "title");
3190                                         } else {
3191                                                 $feed_title = __("Uncategorized");
3192                                         }
3193
3194                                         if ($search) {
3195                                                 $feed_title = __("Searched for")." $search ($feed_title)";
3196                                         }
3197
3198                                 } else {
3199
3200                                         $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds
3201                                                 WHERE id = '$feed' AND owner_uid = $owner_uid");
3202
3203                                         $feed_title = db_fetch_result($result, 0, "title");
3204                                         $feed_site_url = db_fetch_result($result, 0, "site_url");
3205                                         $last_error = db_fetch_result($result, 0, "last_error");
3206
3207                                         if ($search) {
3208                                                 $feed_title = __("Searched for") . " $search ($feed_title)";
3209                                         }
3210                                 }
3211
3212                         } else if ($feed == -1) {
3213                                 $feed_title = __("Starred articles");
3214                         } else if ($feed == -2) {
3215                                 $feed_title = __("Published articles");
3216                         } else if ($feed == -3) {
3217                                 $feed_title = __("Fresh articles");
3218                         } else if ($feed < -10) {
3219                                 $label_id = -$feed - 11;
3220                                 $result = db_query($link, "SELECT description FROM ttrss_labels
3221                                         WHERE id = '$label_id'");
3222                                 $feed_title = db_fetch_result($result, 0, "description");
3223
3224                                 if ($search) {
3225                                         $feed_title = __("Searched for") . " $search ($feed_title)";
3226                                 }
3227                         } else {
3228                                 $feed_title = "?";
3229                         }
3230
3231                         if ($feed < -10) error_reporting (0);
3232
3233                         $content_query_part = "content as content_preview,";
3234
3235                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3236
3237                                 if ($feed >= 0) {
3238                                         $feed_kind = "Feeds";
3239                                 } else {
3240                                         $feed_kind = "Labels";
3241                                 }
3242
3243                                 if ($limit_query_part) {
3244                                         $offset_query_part = "OFFSET $offset";
3245                                 }
3246
3247                                 $query = "SELECT
3248                                                 guid,
3249                                                 ttrss_entries.id,ttrss_entries.title,
3250                                                 updated,
3251                                                 unread,feed_id,marked,published,link,last_read,
3252                                                 SUBSTRING(last_read,1,19) as last_read_noms,
3253                                                 $vfeed_query_part
3254                                                 $content_query_part
3255                                                 SUBSTRING(updated,1,19) as updated_noms,
3256                                                 author
3257                                         FROM
3258                                                 ttrss_entries,ttrss_user_entries,ttrss_feeds
3259                                         WHERE
3260                                         ttrss_feeds.hidden = false AND
3261                                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
3262                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3263                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3264                                         $search_query_part
3265                                         $view_query_part
3266                                         $query_strategy_part ORDER BY $order_by
3267                                         $limit_query_part $offset_query_part";
3268
3269                                 $result = db_query($link, $query);
3270
3271                                 if ($_GET["debug"]) print $query;
3272
3273                         } else {
3274                                 // browsing by tag
3275
3276                                 $feed_kind = "Tags";
3277
3278                                 $result = db_query($link, "SELECT
3279                                         guid,
3280                                         ttrss_entries.id as id,title,
3281                                         updated,
3282                                         unread,feed_id,
3283                                         marked,link,last_read,
3284                                         SUBSTRING(last_read,1,19) as last_read_noms,
3285                                         $vfeed_query_part
3286                                         $content_query_part
3287                                         SUBSTRING(updated,1,19) as updated_noms
3288                                         FROM
3289                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3290                                         WHERE
3291                                                 ref_id = ttrss_entries.id AND
3292                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3293                                                 post_int_id = int_id AND tag_name = '$feed' AND
3294                                                 $view_query_part
3295                                                 $search_query_part
3296                                                 $query_strategy_part ORDER BY $order_by
3297                                         $limit_query_part");
3298                         }
3299
3300                         return array($result, $feed_title, $feed_site_url, $last_error);
3301
3302         }
3303
3304         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3305                 $search, $search_mode, $match_on) {
3306
3307                 $qfh_ret = queryFeedHeadlines($link, $feed,
3308                         30, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3309                         $owner_uid);
3310
3311                 $result = $qfh_ret[0];
3312                 $feed_title = htmlspecialchars($qfh_ret[1]);
3313                 $feed_site_url = $qfh_ret[2];
3314                 $last_error = $qfh_ret[3];
3315
3316 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3317
3318                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3319                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3320                         <rss version=\"2.0\">
3321                         <channel>
3322                         <title>$feed_title</title>
3323                         <link>$feed_site_url</link>
3324                         <description>Feed generated by Tiny Tiny RSS</description>";
3325
3326                 while ($line = db_fetch_assoc($result)) {
3327                         print "<item>";
3328                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3329                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3330
3331                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3332
3333                         foreach ($tags as $tag) {
3334                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3335                         }
3336
3337                         $rfc822_date = date('r', strtotime($line["updated"]));
3338
3339                         print "<pubDate>$rfc822_date</pubDate>";
3340
3341                         print "<title>" .
3342                                 htmlspecialchars($line["title"]) . "</title>";
3343
3344                         print "<description><![CDATA[" .
3345                                 $line["content_preview"] . "]]></description>";
3346
3347                         print "</item>";
3348                 }
3349
3350                 print "</channel></rss>";
3351
3352         }
3353
3354         function getCategoryTitle($link, $cat_id) {
3355
3356                 if ($cat_id == -1) {
3357                         return __("Special");
3358                 } else if ($cat_id == -2) {
3359                         return __("Labels");
3360                 } else {
3361
3362                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3363                                 id = '$cat_id'");
3364
3365                         if (db_num_rows($result) == 1) {
3366                                 return db_fetch_result($result, 0, "title");
3367                         } else {
3368                                 return "Uncategorized";
3369                         }
3370                 }
3371         }
3372
3373         // http://ru2.php.net/strip-tags
3374
3375         function strip_tags_long($textstring, $allowed){
3376         while($textstring != strip_tags($textstring, $allowed))
3377     {
3378     while (strlen($textstring) != 0)
3379          {
3380          if (strlen($textstring) > 1024) {
3381               $otherlen = 1024;
3382          } else {
3383               $otherlen = strlen($textstring);
3384          }
3385          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3386          $safetext .= $temptext;
3387          $textstring = substr_replace($textstring,'',0,$otherlen);
3388          }
3389     $textstring = $safetext;
3390     }
3391         return $textstring;
3392         }
3393
3394
3395         function sanitize_rss($link, $str, $force_strip_tags = false) {
3396                 $res = $str;
3397
3398                 if (get_pref($link, "STRIP_UNSAFE_TAGS") || $force_strip_tags) {
3399
3400                         $res = strip_tags_long($res,
3401                                 "<p><a><i><em><b><strong><blockquote><br><img><div><span><ul><ol><li>");
3402
3403 //                      $res = preg_replace("/\r\n|\n|\r/", "", $res);
3404 //                      $res = strip_tags_long($res, "<p><a><i><em><b><strong><blockquote><br><img><div><span>");
3405                 }
3406
3407                 return $res;
3408         }
3409
3410         /**
3411          * Send by mail a digest of last articles.
3412          *
3413          * @param mixed $link The database connection.
3414          * @param integer $limit The maximum number of articles by digest.
3415          * @return boolean Return false if digests are not enabled.
3416          */
3417         function send_headlines_digests($link, $limit = 100) {
3418
3419                 if (!DIGEST_ENABLE) return false;
3420
3421                 $user_limit = DIGEST_EMAIL_LIMIT;
3422                 $days = 1;
3423
3424                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3425
3426                 if (DB_TYPE == "pgsql") {
3427                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3428                 } else if (DB_TYPE == "mysql") {
3429                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3430                 }
3431
3432                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3433                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3434
3435                 while ($line = db_fetch_assoc($result)) {
3436
3437                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3438                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3439
3440                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3441
3442                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3443                                 $digest = $tuple[0];
3444                                 $headlines_count = $tuple[1];
3445                                 $affected_ids = $tuple[2];
3446                                 $digest_text = $tuple[3];
3447
3448                                 if ($headlines_count > 0) {
3449
3450                                         $mail = new PHPMailer();
3451
3452                                         $mail->PluginDir = "phpmailer/";
3453                                         $mail->SetLanguage("en", "phpmailer/language/");
3454
3455                                         $mail->CharSet = "UTF-8";
3456
3457                                         $mail->From = DIGEST_FROM_ADDRESS;
3458                                         $mail->FromName = DIGEST_FROM_NAME;
3459                                         $mail->AddAddress($line["email"], $line["login"]);
3460
3461                                         if (DIGEST_SMTP_HOST) {
3462                                                 $mail->Host = DIGEST_SMTP_HOST;
3463                                                 $mail->Mailer = "smtp";
3464                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3465                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3466                                         }
3467
3468                                         $mail->IsHTML(true);
3469                                         $mail->Subject = DIGEST_SUBJECT;
3470                                         $mail->Body = $digest;
3471                                         $mail->AltBody = $digest_text;
3472
3473                                         $rc = $mail->Send();
3474
3475                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3476
3477                                         print "RC=$rc\n";
3478
3479                                         if ($rc && $do_catchup) {
3480                                                 print "Marking affected articles as read...\n";
3481                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3482                                         }
3483
3484                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3485                                                         WHERE id = " . $line["id"]);
3486                                 } else {
3487                                         print "No headlines\n";
3488                                 }
3489                         }
3490                 }
3491
3492                 print "All done.\n";
3493
3494         }
3495
3496         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3497
3498                 require_once "MiniTemplator.class.php";
3499
3500                 $tpl = new MiniTemplator;
3501                 $tpl_t = new MiniTemplator;
3502
3503                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3504                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3505
3506                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3507                 $tpl->setVariable('CUR_TIME', date('G:i'));
3508
3509                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3510                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3511
3512                 $affected_ids = array();
3513
3514                 if (DB_TYPE == "pgsql") {
3515                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3516                 } else if (DB_TYPE == "mysql") {
3517                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3518                 }
3519
3520                 $result = db_query($link, "SELECT ttrss_entries.title,
3521                                 ttrss_feeds.title AS feed_title,
3522                                 date_entered,
3523                                 ttrss_user_entries.ref_id,
3524                                 link,
3525                                 SUBSTRING(content, 1, 120) AS excerpt,
3526                                 SUBSTRING(last_updated,1,19) AS last_updated
3527                         FROM
3528                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3529                         WHERE
3530                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3531                                 AND include_in_digest = true
3532                                 AND $interval_query
3533                                 AND hidden = false
3534                                 AND ttrss_user_entries.owner_uid = $user_id
3535                                 AND unread = true
3536                         ORDER BY ttrss_feeds.title, date_entered DESC
3537                         LIMIT $limit");
3538
3539                 $cur_feed_title = "";
3540
3541                 $headlines_count = db_num_rows($result);
3542
3543                 $headlines = array();
3544
3545                 while ($line = db_fetch_assoc($result)) {
3546                         array_push($headlines, $line);
3547                 }
3548
3549                 for ($i = 0; $i < sizeof($headlines); $i++) {
3550
3551                         $line = $headlines[$i];
3552
3553                         array_push($affected_ids, $line["ref_id"]);
3554
3555                         $updated = smart_date_time(strtotime($line["last_updated"]));
3556
3557                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3558                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3559                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3560                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3561                         $tpl->setVariable('ARTICLE_EXCERPT',
3562                                 truncate_string(strip_tags($line["excerpt"]), 100));
3563
3564                         $tpl->addBlock('article');
3565
3566                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3567                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3568                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3569                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3570 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3571 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3572
3573                         $tpl_t->addBlock('article');
3574
3575                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3576                                 $tpl->addBlock('feed');
3577                                 $tpl_t->addBlock('feed');
3578                         }
3579
3580                 }
3581
3582                 $tpl->addBlock('digest');
3583                 $tpl->generateOutputToString($tmp);
3584
3585                 $tpl_t->addBlock('digest');
3586                 $tpl_t->generateOutputToString($tmp_t);
3587
3588                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3589         }
3590
3591         function check_for_update($link, $brief_fmt = true) {
3592                 $releases_feed = "http://tt-rss.spb.ru/releases.rss";
3593
3594                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3595                         return;
3596                 }
3597
3598                 error_reporting(0);
3599                 if (ENABLE_SIMPLEPIE) {
3600                         $rss = new SimplePie();
3601                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3602 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3603                         $rss->set_feed_url($fetch_url);
3604                         $rss->set_output_encoding('UTF-8');
3605                         $rss->init();
3606                 } else {
3607                         $rss = fetch_rss($releases_feed);
3608                 }
3609                 error_reporting (DEFAULT_ERROR_LEVEL);
3610
3611                 if ($rss) {
3612
3613                         if (ENABLE_SIMPLEPIE) {
3614                                 $items = $rss->get_items();
3615                         } else {
3616                                 $items = $rss->items;
3617
3618                                 if (!$items || !is_array($items)) $items = $rss->entries;
3619                                 if (!$items || !is_array($items)) $items = $rss;
3620                         }
3621
3622                         if (!is_array($items) || count($items) == 0) {
3623                                 return;
3624                         }
3625
3626                         $latest_item = $items[0];
3627
3628                         if (ENABLE_SIMPLEPIE) {
3629                                 $last_title = $latest_item->get_title();
3630                         } else {
3631                                 $last_title = $latest_item["title"];
3632                         }
3633
3634                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3635
3636                         if (ENABLE_SIMPLEPIE) {
3637                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3638                                 $content = sanitize_rss($link, $latest_item->get_description());
3639                         } else {
3640                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3641                                 $content = sanitize_rss($link, $latest_item["description"]);
3642                         }
3643
3644                         if (version_compare(VERSION, $latest_version) == -1) {
3645                                 if ($brief_fmt) {
3646                                         return format_notice("<a href=\"javascript:showBlockElement('milestoneDetails')\">
3647                                                 New version of Tiny-Tiny RSS ($latest_version) is available (click for details)</a>
3648                                                 <div id=\"milestoneDetails\">$content</div>");
3649                                 } else {
3650                                         return "New version of Tiny-Tiny RSS ($latest_version) is available:
3651                                                 <div class='milestoneDetails'>$content</div>
3652                                                 Visit <a target=\"_new\" href=\"http://tt-rss.spb.ru/\">official site</a> for
3653                                                 download and update information.";
3654                                 }
3655
3656                         }
3657                 }
3658         }
3659
3660         function markArticlesById($link, $ids, $cmode) {
3661
3662                 $tmp_ids = array();
3663
3664                 foreach ($ids as $id) {
3665                         array_push($tmp_ids, "ref_id = '$id'");
3666                 }
3667
3668                 $ids_qpart = join(" OR ", $tmp_ids);
3669
3670                 if ($cmode == 0) {
3671                         db_query($link, "UPDATE ttrss_user_entries SET
3672                         marked = false,last_read = NOW()
3673                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3674                 } else if ($cmode == 1) {
3675                         db_query($link, "UPDATE ttrss_user_entries SET
3676                         marked = true
3677                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3678                 } else {
3679                         db_query($link, "UPDATE ttrss_user_entries SET
3680                         marked = NOT marked,last_read = NOW()
3681                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3682                 }
3683         }
3684
3685         function publishArticlesById($link, $ids, $cmode) {
3686
3687                 $tmp_ids = array();
3688
3689                 foreach ($ids as $id) {
3690                         array_push($tmp_ids, "ref_id = '$id'");
3691                 }
3692
3693                 $ids_qpart = join(" OR ", $tmp_ids);
3694
3695                 if ($cmode == 0) {
3696                         db_query($link, "UPDATE ttrss_user_entries SET
3697                         published = false,last_read = NOW()
3698                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3699                 } else if ($cmode == 1) {
3700                         db_query($link, "UPDATE ttrss_user_entries SET
3701                         published = true
3702                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3703                 } else {
3704                         db_query($link, "UPDATE ttrss_user_entries SET
3705                         published = NOT published,last_read = NOW()
3706                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3707                 }
3708         }
3709
3710         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
3711
3712                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3713
3714                 $tmp_ids = array();
3715
3716                 foreach ($ids as $id) {
3717                         array_push($tmp_ids, "ref_id = '$id'");
3718                 }
3719
3720                 $ids_qpart = join(" OR ", $tmp_ids);
3721
3722                 if ($cmode == 0) {
3723                         db_query($link, "UPDATE ttrss_user_entries SET
3724                         unread = false,last_read = NOW()
3725                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3726                 } else if ($cmode == 1) {
3727                         db_query($link, "UPDATE ttrss_user_entries SET
3728                         unread = true
3729                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3730                 } else {
3731                         db_query($link, "UPDATE ttrss_user_entries SET
3732                         unread = NOT unread,last_read = NOW()
3733                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3734                 }
3735         }
3736
3737         function catchupArticleById($link, $id, $cmode) {
3738
3739                 if ($cmode == 0) {
3740                         db_query($link, "UPDATE ttrss_user_entries SET
3741                         unread = false,last_read = NOW()
3742                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3743                 } else if ($cmode == 1) {
3744                         db_query($link, "UPDATE ttrss_user_entries SET
3745                         unread = true
3746                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3747                 } else {
3748                         db_query($link, "UPDATE ttrss_user_entries SET
3749                         unread = NOT unread,last_read = NOW()
3750                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3751                 }
3752         }
3753
3754         function make_guid_from_title($title) {
3755                 return preg_replace("/[ \"\',.:;]/", "-",
3756                         mb_strtolower(strip_tags($title), 'utf-8'));
3757         }
3758
3759         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
3760                         $bottom = false, $rtl_content = false, $feed_id = 0,
3761                         $is_cat = false, $search = false, $match_on = false,
3762                         $search_mode = false, $offset = 0, $limit = 0,
3763                         $dashboard_menu = 0, $disable_feed = 0, $feed_small_icon = 0) {
3764
3765                         $user_page_offset = $offset + 1;
3766
3767                         if (!$bottom) {
3768                                 $class = "headlinesSubToolbar";
3769                                 $tid = "headlineActionsTop";
3770                         } else {
3771                                 $class = "headlinesSubToolbar";
3772                                 $tid = "headlineActionsBottom";
3773                         }
3774
3775                         print "<table class=\"$class\" id=\"$tid\"
3776                                 width=\"100%\" cellspacing=\"0\" cellpadding=\"0\"><tr>";
3777
3778                         if ($rtl_content) {
3779                                 $rtl_cpart = "RTL";
3780                         } else {
3781                                 $rtl_cpart = "";
3782                         }
3783
3784                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
3785                         $page_next_link = "javascript:viewFeedGoPage(1)";
3786                         $page_first_link = "javascript:viewFeedGoPage(0)";
3787
3788                         $catchup_page_link = "javascript:catchupPage()";
3789                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
3790                         $catchup_sel_link = "javascript:catchupSelection()";
3791
3792                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
3793
3794                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
3795                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
3796                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
3797
3798                                 $tog_unread_link = "javascript:selectionToggleUnread()";
3799                                 $tog_marked_link = "javascript:selectionToggleMarked()";
3800                                 $tog_published_link = "javascript:selectionTogglePublished()";
3801
3802                         } else {
3803
3804                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
3805                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
3806                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
3807
3808                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
3809                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
3810                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
3811
3812                         }
3813
3814                         if (!$dashboard_menu) {
3815
3816                                 if (strpos($_SESSION["client.userAgent"], "MSIE") === false) {
3817
3818                                         print "<td class=\"headlineActions$rtl_cpart\">
3819                                                 <ul class=\"headlineDropdownMenu\">
3820                                                 <li class=\"top2\">
3821                                                 ".__('Select:')."
3822                                                         <a href=\"$sel_all_link\">".__('All')."</a>,
3823                                                         <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3824                                                         <a href=\"$sel_none_link\">".__('None')."</a></li>
3825                                                 <li class=\"vsep\">&nbsp;</li>
3826                                                 <li class=\"top\">".__('Toggle')."<ul>
3827                                                         <li onclick=\"$tog_unread_link\">".__('Unread')."</li>
3828                                                         <li onclick=\"$tog_marked_link\">".__('Starred')."</li>
3829                                                         <li onclick=\"$tog_published_link\">".__('Published')."</li>
3830                                                         </ul></li>
3831                                                 <li class=\"vsep\">&nbsp;</li>
3832                                                 <li class=\"top\">".__('Mark as read')."<ul>
3833                                                         <li onclick=\"$catchup_sel_link\">".__('Selection')."</li>
3834                                                         <!-- <li onclick=\"$catchup_page_link\">".__('This page')."</li> -->";
3835
3836                                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
3837
3838                                         print "
3839                                                         <li><span class=\"insensitive\">--------</span></li>
3840                                                         <li onclick=\"catchupRelativeToArticle(0)\">".__("Above active article")."</li>
3841                                                         <li onclick=\"catchupRelativeToArticle(1)\">".__("Below active article")."</li>
3842                                                         <li><span class=\"insensitive\">--------</span></li>";
3843                                         }
3844
3845                                         print "
3846                                                         <li onclick=\"$catchup_feed_link\">".__('Entire feed')."</li></ul></li>
3847                                                 ";
3848
3849                                                 $enable_pagination = get_pref($link, "_PREFS_ENABLE_PAGINATION");
3850
3851                                                 if ($limit != 0 && !$search && $enable_pagination) {
3852                                                         print "
3853                                                         <li class=\"vsep\">&nbsp;</li>
3854                                                         <li class=\"top\"><a href=\"$page_next_link\">".__('Next page')."</a><ul>
3855                                                                 <li onclick=\"$page_prev_link\">".__('Previous page')."</li>
3856                                                                 <li onclick=\"$page_first_link\">".__('First page')."</li></ul></li>
3857                                                                 </ul>";
3858                                                         }
3859
3860                                                 if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3861                                                         print "
3862                                                                 <li class=\"vsep\">&nbsp;</li>
3863                                                                 <li class=\"top3\">
3864                                                                 <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3865                                                                         '$match_on', '$feed_id', '$is_cat');\">
3866                                                                         ".__('Convert to label')."</a></td>";
3867                                                 }
3868                                                 print "
3869                                                 </td>";
3870
3871                                 } else {
3872                                 // old style subtoolbar:
3873
3874                                         print "<td class=\"headlineActions$rtl_cpart\">".
3875                                                 __('Select:')."
3876                                                                         <a href=\"$sel_all_link\">".__('All')."</a>,
3877                                                                         <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3878                                                                         <a href=\"$sel_none_link\">".__('None')."</a>
3879                                                         &nbsp;&nbsp;".
3880                                                         __('Toggle:')." <a href=\"$tog_unread_link\">".__('Unread')."</a>,
3881                                                                 <a href=\"$tog_marked_link\">".__('Starred')."</a>
3882                                                         &nbsp;&nbsp;".
3883                                                         __('Mark as read:')."
3884                                                                 <a href=\"#\" onclick=\"$catchup_page_link\">".__('Page')."</a>,
3885                                                                 <a href=\"#\" onclick=\"$catchup_feed_link\">".__('Feed')."</a>";
3886
3887                                         if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3888
3889                                                 print "&nbsp;&nbsp;
3890                                                                 <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3891                                                                         '$match_on', '$feed_id', '$is_cat');\">
3892                                                                 ".__('Convert to label')."</a>";
3893                                         }
3894
3895                                         print "</td>";
3896
3897                                 }
3898                         } else { // dashboard menu actions
3899
3900                                         print "<td class=\"headlineActions$rtl_cpart\">
3901                                                 <ul class=\"headlineDropdownMenu\">
3902                                                 <li class=\"top2\">
3903                                                         <a href=\"#\" onclick=\"return displayDlg('quickAddFeed');\">".
3904                                                                 __('Subscribe to feed')."</a>
3905                                                 </li>
3906                                                 <li class=\"vsep\">&nbsp;</li>
3907                                                 <li class=\"top\">".__('Placeholder')."<ul>
3908                                                         <li onclick=\"\">".__('Placeholder')."</li>
3909                                                         <li onclick=\"\">".__('Placeholder')."</li>
3910                                                         <li onclick=\"\">".__('Placeholder')."</li>
3911                                                         </ul></li>
3912                                                 <li class=\"vsep\">&nbsp;</li>
3913                                                 <li class=\"top\">".__('Show')."<ul>
3914                                                         <li onclick=\"\">".__('Update errors')."</li>
3915                                                         </ul></li></ul>";
3916
3917                                         print "</td>";
3918
3919                         }
3920
3921 /*                      if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3922                                 print "<td class=\"headlineActions$rtl_cpart\">
3923                                         <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3924                                                         '$match_on', '$feed_id', '$is_cat');\">
3925                                                 ".__('Convert to Label')."</a></td>";
3926 } */
3927
3928                         print "<td class=\"headlineTitle$rtl_cpart\">";
3929
3930                         print "<span class=\"headlineInnerTitle\">";
3931
3932                         if ($feed_site_url) {
3933                                 if (!$bottom) {
3934                                         $target = "target=\"_new\"";
3935                                 }
3936                                 print "<a $target href=\"$feed_site_url\">".
3937                                         truncate_string($feed_title,30)."</a>";
3938                         } else {
3939                                 print $feed_title;
3940                         }
3941
3942                         if ($search) {
3943                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
3944                         }
3945
3946                         if ($user_page_offset > 1) {
3947                                 print " [$user_page_offset] ";
3948                         }
3949
3950                         print "</span>";
3951
3952                         if (!$bottom && !$disable_feed) {
3953                                 print "
3954                                         <a target=\"_new\"
3955                                                 href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
3956                                                 <img class=\"noborder\"
3957                                                         alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
3958                                         </a>";
3959                         } else if ($feed_small_icon) {
3960                                 print "<img class=\"noborder\" alt=\"\" src=\"images/$feed_small_icon\">";
3961                         }
3962
3963                         print "</td>";
3964                         print "</tr></table>";
3965
3966                 }
3967
3968         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
3969
3970                         $tmp_category = getCategoryTitle($link, $cat_id);
3971                         $cat_unread = getCategoryUnread($link, $cat_id);
3972
3973                         if ($hidden) {
3974                                 $holder_style = "display:none;";
3975                                 $ellipsis = "…";
3976                         } else {
3977                                 $holder_style = "";
3978                                 $ellipsis = "";
3979                         }
3980
3981                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
3982
3983                         print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
3984                                 <a id=\"FCATN-$cat_id\" href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>";
3985
3986                         if ($can_browse) {
3987                                 print "<a href=\"#\" onclick=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">";
3988                         } else {
3989                                 print "<span id=\"FCAP-$cat_id\">";
3990                         }
3991
3992                         print " <span id=\"FCATCTR-$cat_id\"
3993                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
3994
3995                         if ($can_browse) {
3996                                 print "</a>";
3997                         } else {
3998                                 print "</span>";
3999                         }
4000
4001                         print "</li>";
4002
4003                         print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4004         }
4005
4006         function outputFeedList($link, $tags = false) {
4007
4008                 print "<ul class=\"feedList\" id=\"feedList\">";
4009
4010                 $owner_uid = $_SESSION["uid"];
4011
4012                 /* virtual feeds */
4013
4014                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4015
4016                         if ($_COOKIE["ttrss_vf_vclps"] == 1) {
4017                                 $cat_hidden = true;
4018                         } else {
4019                                 $cat_hidden = false;
4020                         }
4021
4022 #                       print "<li class=\"feedCat\">".__('Special')."</li>";
4023 #                       print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\">";
4024 #                       print "<li class=\"feedCat\">".
4025 #                               "<a id=\"FCATN--1\" href=\"javascript:toggleCollapseCat(-1)\">".
4026 #                               __('Special')."</a> <span id='FCAP--1'>$ellipsis</span></li>";
4027 #
4028 #                       print "<li id=\"feedCatHolder\" class=\"feedCatHolder\">
4029 #                               <ul class=\"feedCatList\" id='FCATLIST--1' style='$holder_style'>";
4030
4031 #                       $cat_unread = getCategoryUnread($link, -1);
4032 #                       $tmp_category = __("Special");
4033 #                       $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4034
4035                         printCategoryHeader($link, -1, $cat_hidden, false);
4036                 }
4037
4038                 if (defined('_ENABLE_DASHBOARD')) {
4039                         printFeedEntry(-4, "virt", __("Dashboard"), 0,
4040                                 "images/tag.png", $link);
4041                 }
4042
4043                 $num_starred = getFeedUnread($link, -1);
4044                 $num_published = getFeedUnread($link, -2);
4045                 $num_fresh = getFeedUnread($link, -3);
4046
4047                 $class = "virt";
4048
4049                 if ($num_fresh > 0) $class .= "Unread";
4050
4051                 printFeedEntry(-3, $class, __("Fresh articles"), $num_fresh,
4052                         "images/fresh.png", $link);
4053
4054                 $class = "virt";
4055
4056                 if ($num_starred > 0) $class .= "Unread";
4057
4058                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4059
4060                 if ($is_ie) {
4061                         $mark_img_ext = "gif";
4062                 } else {
4063                         $mark_img_ext = "png";
4064                 }
4065
4066                 printFeedEntry(-1, $class, __("Starred articles"), $num_starred,
4067                         "images/mark_set.$mark_img_ext", $link);
4068
4069                 $class = "virt";
4070
4071                 if ($num_published > 0) $class .= "Unread";
4072
4073                 printFeedEntry(-2, $class, __("Published articles"), $num_published,
4074                         "images/pub_set.gif", $link);
4075
4076                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4077                         print "</ul>";
4078                 }
4079
4080                 if (!$tags) {
4081
4082                         if (GLOBAL_ENABLE_LABELS && get_pref($link, 'ENABLE_LABELS')) {
4083
4084                                 $result = db_query($link, "SELECT id,sql_exp,description FROM
4085                                         ttrss_labels WHERE owner_uid = '$owner_uid' ORDER by description");
4086
4087                                 if (db_num_rows($result) > 0) {
4088                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4089
4090                                                 if ($_COOKIE["ttrss_vf_lclps"] == 1) {
4091                                                         $cat_hidden = true;
4092                                                 } else {
4093                                                         $cat_hidden = false;
4094                                                 }
4095
4096                                                 printCategoryHeader($link, -2, $cat_hidden, false);
4097
4098 #                                               print "<li class=\"feedCat\">".
4099 #                                                       "<a id=\"FCATN--2\" href=\"javascript:toggleCollapseCat(-2)\">".
4100 #                                                       __('Labels')."</a> <span id='FCAP--2'>$ellipsis</span></li>";
4101 #
4102 #                                               print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\" id='FCATLIST--2' style='$holder_style'>";
4103                                         } else {
4104                                                 print "<li><hr></li>";
4105                                         }
4106                                 }
4107
4108                                 while ($line = db_fetch_assoc($result)) {
4109
4110                                         error_reporting (0);
4111
4112                                         $label_id = -$line['id'] - 11;
4113                                         $count = getFeedUnread($link, $label_id);
4114
4115                                         $class = "label";
4116
4117                                         if ($count > 0) {
4118                                                 $class .= "Unread";
4119                                         }
4120
4121                                         error_reporting (DEFAULT_ERROR_LEVEL);
4122
4123                                         printFeedEntry($label_id,
4124                                                 $class, $line["description"],
4125                                                 $count, "images/label.png", $link);
4126
4127                                 }
4128
4129                                 if (db_num_rows($result) > 0) {
4130                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4131                                                 print "</ul>";
4132                                         }
4133                                 }
4134
4135                         }
4136
4137                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4138                                 print "<li><hr></li>";
4139                         }
4140
4141                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4142                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4143                                         $order_by_qpart = "category,unread DESC,title";
4144                                 } else {
4145                                         $order_by_qpart = "category,title";
4146                                 }
4147                         } else {
4148                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4149                                         $order_by_qpart = "unread DESC,title";
4150                                 } else {
4151                                         $order_by_qpart = "title";
4152                                 }
4153                         }
4154
4155                         $age_qpart = getMaxAgeSubquery();
4156
4157                         $result = db_query($link, "SELECT ttrss_feeds.*,
4158                                 SUBSTRING(last_updated,1,19) AS last_updated_noms,
4159                                 (SELECT COUNT(id) FROM ttrss_entries,ttrss_user_entries
4160                                         WHERE feed_id = ttrss_feeds.id AND unread = true
4161                                                 AND $age_qpart
4162                                                 AND ttrss_user_entries.ref_id = ttrss_entries.id
4163                                                 AND owner_uid = '$owner_uid') as unread,
4164                                 cat_id,last_error,
4165                                 ttrss_feed_categories.title AS category,
4166                                 ttrss_feed_categories.collapsed
4167                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4168                                         ON (ttrss_feed_categories.id = cat_id)
4169                                 WHERE
4170                                         ttrss_feeds.hidden = false AND
4171                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4172                                 ORDER BY $order_by_qpart");
4173
4174                         $actid = $_GET["actid"];
4175
4176                         /* real feeds */
4177
4178                         $lnum = 0;
4179
4180                         $total_unread = 0;
4181
4182                         $category = "";
4183
4184                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4185
4186                         while ($line = db_fetch_assoc($result)) {
4187
4188                                 $feed = trim($line["title"]);
4189
4190                                 if (!$feed) $feed = "[Untitled]";
4191
4192                                 $feed_id = $line["id"];
4193
4194                                 $subop = $_GET["subop"];
4195
4196                                 $unread = $line["unread"];
4197
4198                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4199                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4200                                 } else {
4201                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4202                                 }
4203
4204                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4205
4206                                 if ($rtl_content) {
4207                                         $rtl_tag = "dir=\"RTL\"";
4208                                 } else {
4209                                         $rtl_tag = "";
4210                                 }
4211
4212                                 $tmp_result = db_query($link,
4213                                         "SELECT id,COUNT(unread) AS unread
4214                                         FROM ttrss_feeds LEFT JOIN ttrss_user_entries
4215                                                 ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
4216                                         WHERE parent_feed = '$feed_id' AND unread = true
4217                                         GROUP BY ttrss_feeds.id");
4218
4219                                 if (db_num_rows($tmp_result) > 0) {
4220                                         while ($l = db_fetch_assoc($tmp_result)) {
4221                                                 $unread += $l["unread"];
4222                                         }
4223                                 }
4224
4225                                 $cat_id = $line["cat_id"];
4226
4227                                 $tmp_category = $line["category"];
4228
4229                                 if (!$tmp_category) {
4230                                         $tmp_category = __("Uncategorized");
4231                                 }
4232
4233         //                      $class = ($lnum % 2) ? "even" : "odd";
4234
4235                                 if ($line["last_error"]) {
4236                                         $class = "error";
4237                                 } else {
4238                                         $class = "feed";
4239                                 }
4240
4241                                 if ($unread > 0) $class .= "Unread";
4242
4243                                 if ($actid == $feed_id) {
4244                                         $class .= "Selected";
4245                                 }
4246
4247                                 $total_unread += $unread;
4248
4249                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4250
4251                                         if ($category) {
4252                                                 print "</ul></li>";
4253                                         }
4254
4255                                         $category = $tmp_category;
4256
4257                                         $collapsed = $line["collapsed"];
4258
4259                                         // workaround for NULL category
4260                                         if ($category == __("Uncategorized")) {
4261                                                 if ($_COOKIE["ttrss_vf_uclps"] == 1) {
4262                                                         $collapsed = "t";
4263                                                 }
4264                                         }
4265
4266                                         if ($collapsed == "t" || $collapsed == "1") {
4267                                                 $holder_class = "feedCatHolder";
4268                                                 $holder_style = "display:none;";
4269                                                 $ellipsis = "…";
4270                                         } else {
4271                                                 $holder_class = "feedCatHolder";
4272                                                 $holder_style = "";
4273                                                 $ellipsis = "";
4274                                         }
4275
4276                                         $cat_id = sprintf("%d", $cat_id);
4277
4278                                         $cat_unread = getCategoryUnread($link, $cat_id);
4279
4280                                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4281
4282                                         print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
4283                                                 <a id=\"FCATN-$cat_id\" href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>
4284                                                         <a href=\"#\" onclick=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">
4285                                                         <span id=\"FCATCTR-$cat_id\"
4286                                                         class=\"$catctr_class\">($cat_unread)</span> $ellipsis
4287                                                         </a></li>";
4288
4289                                         print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4290                                 }
4291
4292                                 printFeedEntry($feed_id, $class, $feed, $unread,
4293                                         ICONS_URL."/$feed_id.ico", $link, $rtl_content,
4294                                         $last_updated, $line["last_error"]);
4295
4296                                 ++$lnum;
4297                         }
4298
4299                         if (db_num_rows($result) == 0) {
4300                                 print "<li>".__('No feeds to display.')."</li>";
4301                         }
4302
4303                 } else {
4304
4305                         // tags
4306
4307 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4308                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4309                                 post_int_id = ttrss_user_entries.int_id AND
4310                                 unread = true AND ref_id = ttrss_entries.id
4311                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4312                         UNION
4313                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4314                         ORDER BY tag_name"); */
4315
4316                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4317                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4318                                 print "<li id=\"feedCatHolder\"><ul class=\"feedCatList\">";
4319                         }
4320
4321                         $age_qpart = getMaxAgeSubquery();
4322
4323                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4324                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4325                                         AND ref_id = id AND $age_qpart
4326                                         AND unread = true)) AS count FROM ttrss_tags
4327                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4328                                         ORDER BY count DESC LIMIT 50");
4329
4330                         $tags = array();
4331
4332                         while ($line = db_fetch_assoc($result)) {
4333                                 $tags[$line["tag_name"]] += $line["count"];
4334                         }
4335
4336                         foreach (array_keys($tags) as $tag) {
4337
4338                                 $unread = $tags[$tag];
4339
4340                                 $class = "tag";
4341
4342                                 if ($unread > 0) {
4343                                         $class .= "Unread";
4344                                 }
4345
4346                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4347
4348                         }
4349
4350                         if (db_num_rows($result) == 0) {
4351                                 print "<li>No tags to display.</li>";
4352                         }
4353
4354                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4355                                 print "</ul>";
4356                         }
4357
4358                 }
4359
4360                 print "</ul>";
4361
4362         }
4363
4364         function get_article_tags($link, $id, $owner_uid = 0) {
4365
4366                 $a_id = db_escape_string($id);
4367
4368                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4369
4370                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name,
4371                         owner_uid as owner FROM
4372                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4373                                 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
4374
4375                 $tags = array();
4376
4377                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4378                         array_push($tags, $tmp_line["tag_name"]);
4379                 }
4380
4381                 return $tags;
4382         }
4383
4384         function trim_value(&$value) {
4385                 $value = trim($value);
4386         }
4387
4388         function trim_array($array) {
4389                 $tmp = $array;
4390                 array_walk($tmp, 'trim_value');
4391                 return $tmp;
4392         }
4393
4394         function tag_is_valid($tag) {
4395                 if ($tag == '') return false;
4396                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4397
4398                 $tag = iconv("utf-8", "utf-8", $tag);
4399                 if (!$tag) return false;
4400
4401                 return true;
4402         }
4403
4404         function render_login_form($link, $mobile = false) {
4405                 if (!$mobile) {
4406                         require_once "login_form.php";
4407                 } else {
4408                         require_once "mobile/login_form.php";
4409                 }
4410         }
4411
4412         // from http://developer.apple.com/internet/safari/faq.html
4413         function no_cache_incantation() {
4414                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4415                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4416                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4417                 header("Cache-Control: post-check=0, pre-check=0", false);
4418                 header("Pragma: no-cache"); // HTTP/1.0
4419         }
4420
4421         function format_warning($msg, $id = "") {
4422                 return "<div class=\"warning\" id=\"$id\">
4423                         <img src=\"images/sign_excl.gif\">$msg</div>";
4424         }
4425
4426         function format_notice($msg) {
4427                 return "<div class=\"notice\">
4428                         <img src=\"images/sign_info.gif\">$msg</div>";
4429         }
4430
4431         function format_error($msg) {
4432                 return "<div class=\"error\">
4433                         <img src=\"images/sign_excl.gif\">$msg</div>";
4434         }
4435
4436         function print_notice($msg) {
4437                 return print format_notice($msg);
4438         }
4439
4440         function print_warning($msg) {
4441                 return print format_warning($msg);
4442         }
4443
4444         function print_error($msg) {
4445                 return print format_error($msg);
4446         }
4447
4448
4449         function T_sprintf() {
4450                 $args = func_get_args();
4451                 return vsprintf(__(array_shift($args)), $args);
4452         }
4453
4454         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true) {
4455
4456                 /* we can figure out feed_id from article id anyway, why do we
4457                  * pass feed_id here? */
4458
4459                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4460                         WHERE ref_id = '$id'");
4461
4462                 $feed_id = db_fetch_result($result, 0, "feed_id");
4463
4464                 print "<article id='$id'><![CDATA[";
4465
4466                 $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4467                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4468
4469                 if (db_num_rows($result) == 1) {
4470                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4471                 } else {
4472                         $rtl_content = false;
4473                 }
4474
4475                 if ($rtl_content) {
4476                         $rtl_tag = "dir=\"RTL\"";
4477                         $rtl_class = "RTL";
4478                 } else {
4479                         $rtl_tag = "";
4480                         $rtl_class = "";
4481                 }
4482
4483                 if ($mark_as_read) {
4484                         $result = db_query($link, "UPDATE ttrss_user_entries
4485                                 SET unread = false,last_read = NOW()
4486                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4487                 }
4488
4489                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4490                         SUBSTRING(updated,1,16) as updated,
4491                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4492                         num_comments,
4493                         author
4494                         FROM ttrss_entries,ttrss_user_entries
4495                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4496
4497                 if ($result) {
4498
4499                         $link_target = "";
4500
4501                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4502                                 $link_target = "target=\"_new\"";
4503                         }
4504
4505                         $line = db_fetch_assoc($result);
4506
4507                         if ($line["icon_url"]) {
4508                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4509                         } else {
4510                                 $feed_icon = "&nbsp;";
4511                         }
4512
4513 /*                      if ($line["comments"] && $line["link"] != $line["comments"]) {
4514                                 $entry_comments = "(<a href=\"".$line["comments"]."\">Comments</a>)";
4515                         } else {
4516                                 $entry_comments = "";
4517                         } */
4518
4519                         $num_comments = $line["num_comments"];
4520                         $entry_comments = "";
4521
4522                         if ($num_comments > 0) {
4523                                 if ($line["comments"]) {
4524                                         $comments_url = $line["comments"];
4525                                 } else {
4526                                         $comments_url = $line["link"];
4527                                 }
4528                                 $entry_comments = "<a $link_target href=\"$comments_url\">$num_comments comments</a>";
4529                         } else {
4530                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4531                                         $entry_comments = "<a $link_target href=\"".$line["comments"]."\">comments</a>";
4532                                 }
4533                         }
4534
4535                         print "<div class=\"postReply\">";
4536
4537                         print "<div class=\"postHeader\">";
4538
4539                         $entry_author = $line["author"];
4540
4541                         if ($entry_author) {
4542                                 $entry_author = __(" - ") . $entry_author;
4543                         }
4544
4545                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4546                                 strtotime($line["updated"]));
4547
4548                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4549
4550                         if ($line["link"]) {
4551                                 print "<div clear='both'><a $link_target href=\"" . $line["link"] . "\">" .
4552                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4553                         } else {
4554                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4555                         }
4556
4557 /*                      $tmp_result = db_query($link, "SELECT DISTINCT tag_name FROM
4558                                 ttrss_tags WHERE post_int_id = " . $line["int_id"] . "
4559                                 ORDER BY tag_name"); */
4560
4561                         $tags = get_article_tags($link, $id);
4562
4563                         $tags_str = "";
4564                         $f_tags_str = "";
4565
4566                         $num_tags = 0;
4567
4568                         if ($_SESSION["theme"] == "3pane") {
4569                                 $tag_limit = 3;
4570                         } else {
4571                                 $tag_limit = 6;
4572                         }
4573
4574                         foreach ($tags as $tag) {
4575                                 $num_tags++;
4576                                 $tag_escaped = str_replace("'", "\\'", $tag);
4577
4578                                 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>, ";
4579
4580                                 if ($num_tags == $tag_limit) {
4581                                         $tags_str .= "&hellip;";
4582
4583                                 } else if ($num_tags < $tag_limit) {
4584                                         $tags_str .= $tag_str;
4585                                 }
4586                                 $f_tags_str .= $tag_str;
4587                         }
4588
4589                         $tags_str = preg_replace("/, $/", "", $tags_str);
4590                         $f_tags_str = preg_replace("/, $/", "", $f_tags_str);
4591
4592                         $all_tags_div = "<span class='cdmAllTagsCtr'>&hellip;<div class='cdmAllTags'>All Tags: $f_tags_str</div></span>";
4593                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
4594
4595                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4596
4597                         if (!$tags_str) $tags_str = '<span class="tagList">'.__('no tags').'</span>';
4598
4599                         print "<div style='float : right'>
4600                                 <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>
4601                                 $tags_str
4602                                 <a title=\"Edit tags for this article\"
4603                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a></div>
4604                                 <div clear='both'>$entry_comments</div>";
4605
4606                         print "</div>";
4607
4608                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4609                         print "<div class=\"postContent\">";
4610
4611                         #print "<div id=\"allEntryTags\">".__('Tags:')." $f_tags_str</div>";
4612
4613                         $line["content"] = sanitize_rss($link, $line["content"]);
4614
4615                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4616                                 $line["content"] = preg_replace("/href=/i", "target=\"_new\" href=", $line["content"]);
4617                         }
4618
4619                         print $line["content"];
4620
4621                         $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4622                                 post_id = '$id'");
4623
4624                         if (db_num_rows($result) > 0) {
4625                                 print "<div class=\"postEnclosures\">";
4626
4627                                 if (db_num_rows($result) == 1) {
4628                                         print __("Attachment:") . " ";
4629                                 } else {
4630                                         print __("Attachments:") . " ";
4631                                 }
4632
4633                                 $entries = array();
4634
4635                                 while ($line = db_fetch_assoc($result)) {
4636
4637                                         $url = $line["content_url"];
4638
4639                                         $filename = substr($url, strrpos($url, "/")+1);
4640
4641                                         $entry = "<a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4642                                                 $filename . " (" . $line["content_type"] . ")" . "</a>";
4643
4644                                         array_push($entries, $entry);
4645                                 }
4646
4647                                 print join(", ", $entries);
4648
4649                                 print "</div>";
4650                         }
4651
4652                         print "</div>";
4653
4654                         print "</div>";
4655
4656                 }
4657
4658                 print "]]></article>";
4659
4660         }
4661
4662         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4663                                         $next_unread_feed, $offset) {
4664
4665                 $disable_cache = false;
4666
4667                 $timing_info = getmicrotime();
4668
4669                 $topmost_article_ids = array();
4670
4671                 if (!$offset) {
4672                         $offset = 0;
4673                 }
4674
4675                 if ($subop == "undefined") $subop = "";
4676
4677                 if ($subop == "CatchupSelected") {
4678                         $ids = split(",", db_escape_string($_GET["ids"]));
4679                         $cmode = sprintf("%d", $_GET["cmode"]);
4680
4681                         catchupArticlesById($link, $ids, $cmode);
4682                 }
4683
4684                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4685                         update_generic_feed($link, $feed, $cat_view, true);
4686                 }
4687
4688                 if ($subop == "MarkAllRead")  {
4689                         catchup_feed($link, $feed, $cat_view);
4690
4691                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4692                                 if ($next_unread_feed) {
4693                                         $feed = $next_unread_feed;
4694                                 }
4695                         }
4696                 }
4697
4698                 if ($feed_id > 0) {
4699                         $result = db_query($link,
4700                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4701
4702                         if (db_num_rows($result) == 0) {
4703                                 print "<div align='center'>".__('Feed not found.')."</div>";
4704                                 return;
4705                         }
4706                 }
4707
4708                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4709
4710                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4711                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4712
4713                         if (db_num_rows($result) == 1) {
4714                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4715                         } else {
4716                                 $rtl_content = false;
4717                         }
4718
4719                         if ($rtl_content) {
4720                                 $rtl_tag = "dir=\"RTL\"";
4721                         } else {
4722                                 $rtl_tag = "";
4723                         }
4724                 } else {
4725                         $rtl_tag = "";
4726                         $rtl_content = false;
4727                 }
4728
4729                 $script_dt_add = get_script_dt_add();
4730
4731                 /// START /////////////////////////////////////////////////////////////////////////////////
4732
4733                 $search = db_escape_string($_GET["query"]);
4734
4735                 if ($search) {
4736                         $disable_cache = true;
4737                 }
4738
4739                 $search_mode = db_escape_string($_GET["search_mode"]);
4740                 $match_on = db_escape_string($_GET["match_on"]);
4741
4742                 if (!$match_on) {
4743                         $match_on = "both";
4744                 }
4745
4746                 $real_offset = $offset * $limit;
4747
4748                 if ($_GET["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4749
4750                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4751                         $search, $search_mode, $match_on, false, $real_offset);
4752
4753                 if ($_GET["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4754
4755                 $result = $qfh_ret[0];
4756                 $feed_title = $qfh_ret[1];
4757                 $feed_site_url = $qfh_ret[2];
4758                 $last_error = $qfh_ret[3];
4759
4760                 if ($feed == -2) {
4761                         $feed_site_url = article_publish_url($link);
4762                 }
4763
4764                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4765
4766                 if (!$offset) {
4767                         print "<div id=\"headlinesContainer\" $rtl_tag>";
4768
4769                         if (!$result) {
4770                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4771                                 return;
4772                         }
4773
4774                         print_headline_subtoolbar($link, $feed_site_url, $feed_title, false,
4775                                 $rtl_content, $feed, $cat_view, $search, $match_on, $search_mode,
4776                                 $offset, $limit);
4777
4778                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4779                 }
4780
4781                 $headlines_count = db_num_rows($result);
4782
4783                 if (db_num_rows($result) > 0) {
4784
4785 #                       print "\{$offset}";
4786
4787                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4788                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
4789                                         cellspacing=\"0\">";
4790                         }
4791
4792                         $lnum = $limit*$offset;
4793
4794                         error_reporting (DEFAULT_ERROR_LEVEL);
4795
4796                         $num_unread = 0;
4797
4798                         while ($line = db_fetch_assoc($result)) {
4799
4800                                 $class = ($lnum % 2) ? "even" : "odd";
4801
4802                                 $id = $line["id"];
4803                                 $feed_id = $line["feed_id"];
4804
4805                                 if (count($topmost_article_ids) < 5) {
4806                                         array_push($topmost_article_ids, $id);
4807                                 }
4808
4809                                 if ($line["last_read"] == "" &&
4810                                                 ($line["unread"] != "t" && $line["unread"] != "1")) {
4811
4812                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\"
4813                                                 alt=\"Updated\">";
4814                                 } else {
4815                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
4816                                                 alt=\"Updated\">";
4817                                 }
4818
4819                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
4820                                         $class .= "Unread";
4821                                         ++$num_unread;
4822                                         $is_unread = true;
4823                                 } else {
4824                                         $is_unread = false;
4825                                 }
4826
4827                                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4828
4829                                 if ($is_ie) {
4830                                         $mark_img_ext = "gif";
4831                                 } else {
4832                                         $mark_img_ext = "png";
4833                                 }
4834
4835                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
4836                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.$mark_img_ext\"
4837                                                 class=\"markedPic\"
4838                                                 alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
4839                                 } else {
4840                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.$mark_img_ext\"
4841                                                 class=\"markedPic\"
4842                                                 alt=\"Star article\" onclick='javascript:tMark($id)'>";
4843                                 }
4844
4845                                 if ($line["published"] == "t" || $line["published"] == "1") {
4846                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\"
4847                                                 class=\"markedPic\"
4848                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
4849                                 } else {
4850                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\"
4851                                                 class=\"markedPic\"
4852                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
4853                                 }
4854
4855 #                               $content_link = "<a target=\"_new\" href=\"".$line["link"]."\">" .
4856 #                                       $line["title"] . "</a>";
4857
4858                                 $content_link = "<a href=\"javascript:view($id,$feed_id);\">" .
4859                                         $line["title"] . "</a>";
4860
4861 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
4862 #                                       $line["title"] . "</a>";
4863
4864                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4865                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
4866                                 } else {
4867                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4868                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
4869                                 }
4870
4871                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4872                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
4873                                                 100);
4874                                 }
4875
4876                                 $entry_author = $line["author"];
4877
4878                                 if ($entry_author) {
4879                                         $entry_author = " - $entry_author";
4880                                 }
4881
4882                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4883
4884                                         print "<tr class='$class' id='RROW-$id'>";
4885
4886                                         print "<td class='hlUpdPic'>$update_pic</td>";
4887
4888                                         print "<td class='hlSelectRow'>
4889                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
4890                                                         id=\"RCHK-$id\">
4891                                                 </td>";
4892
4893                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
4894                                         print "<td class='hlMarkedPic'>$published_pic</td>";
4895
4896 #                                       if ($line["feed_title"]) {
4897 #                                               print "<td class='hlContent'>$content_link</td>";
4898 #                                               print "<td class='hlFeed'>
4899 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
4900 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
4901 #                                       } else {
4902
4903                                         print "<td class='hlContent' valign='middle'>";
4904
4905                                         print "<a href=\"javascript:view($id,$feed_id);\">" .
4906                                                 $line["title"];
4907
4908                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4909                                                 if ($content_preview) {
4910                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
4911                                                 }
4912                                         }
4913
4914                                         print "</a>";
4915
4916 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
4917 #                                                       $line["feed_title"]."</a>
4918
4919                                         if ($line["feed_title"]) {
4920                                                 print "<span class=\"hlFeed\">
4921                                                         (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
4922                                                         $line["feed_title"]."</a>)
4923                                                 </span>";
4924                                         }
4925
4926
4927                                         print "</td>";
4928
4929 #                                       }
4930
4931                                         print "<td class=\"hlUpdated\"><nobr>$updated_fmt&nbsp;</nobr></td>";
4932
4933                                         print "</tr>";
4934
4935                                 } else {
4936
4937                                         if ($is_unread) {
4938                                                 $add_class = "Unread";
4939                                         } else {
4940                                                 $add_class = "";
4941                                         }
4942
4943                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
4944
4945                                         if ($expand_cdm) {
4946                                                 $cdm_cstyle = "";
4947                                         } else {
4948                                                 $cdm_cstyle = "style=\"display : none\"";
4949                                         }
4950
4951                                         print "<div class=\"cdmArticle$add_class\"
4952                                                 id=\"RROW-$id\" onmouseover='cdmMouseIn(this)'
4953                                                 onmouseout='cdmMouseOut(this)'>";
4954
4955                                         print "<div class=\"cdmHeader\">";
4956
4957                                         print "<div class=\"articleUpdated\">$updated_fmt</div>";
4958
4959                                         print "<a class=\"title\"
4960                                                 onclick=\"javascript:toggleUnread($id, 0)\"
4961                                                 target=\"_new\" href=\"".$line["link"]."\">".$line["title"]."</a>";
4962
4963                                         print $entry_author;
4964
4965                                         if (!$expand_cdm) {
4966                                                 print "&nbsp;<a id=\"CICH-$id\"
4967                                                         href=\"javascript:cdmExpandArticle($id)\">
4968                                                         (".__('Show article').")</a>";
4969                                         }
4970
4971
4972                                         if ($line["feed_title"]) {
4973                                                 print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
4974                                         }
4975
4976                                         print "</div>";
4977
4978                                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4979                                                 $line["content_preview"] = preg_replace("/href=/i",
4980                                                         "target=\"_new\" href=", $line["content_preview"]);
4981                                         }
4982
4983                                         print "<div class=\"cdmContent\" id=\"CICD-$id\" $cdm_cstyle>";
4984
4985 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
4986                                         print $line["content_preview"];
4987
4988                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4989                                                 post_id = '$id'");
4990
4991                                         if (db_num_rows($e_result) > 0) {
4992                                 print "<div class=\"cdmEnclosures\">";
4993
4994                                 if (db_num_rows($e_result) == 1) {
4995                                         print __("Attachment:") . " ";
4996                                 } else {
4997                                         print __("Attachments:") . " ";
4998                                 }
4999
5000                                 $entries = array();
5001
5002                                 while ($e_line = db_fetch_assoc($e_result)) {
5003
5004                                         $url = $e_line["content_url"];
5005
5006                                         $filename = substr($url, strrpos($url, "/")+1);
5007
5008                                         $entry = "<a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5009                                                 $filename . " (" . $e_line["content_type"] . ")" . "</a>";
5010
5011                                         array_push($entries, $entry);
5012                                 }
5013
5014                                 print join(", ", $entries);
5015
5016                                 print "</div>";
5017                         }
5018
5019                                         print "<br clear='both'>";
5020 //                                      print "</div>";
5021
5022 /*                                      if (!$expand_cdm) {
5023                                                 print "<a id=\"CICH-$id\"
5024                                                         href=\"javascript:cdmExpandArticle($id)\">
5025                                                         Show article</a>";
5026                                         } */
5027
5028                                         print "</div>";
5029
5030                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5031
5032                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5033
5034                                         print __("Select:").
5035                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5036                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5037
5038                                         print "</span><span class='s1'>$marked_pic</span> ";
5039                                         print "<span class='s1'>$published_pic</span> ";
5040
5041                                         $tags = get_article_tags($link, $id);
5042
5043                                         $tags_str = "";
5044                                         $full_tags_str = "";
5045                                         $num_tags = 0;
5046
5047                                         foreach ($tags as $tag) {
5048                                                 $num_tags++;
5049                                                 $full_tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
5050                                                 if ($num_tags < 5) {
5051                                                         $tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
5052                                                 } else if ($num_tags == 5) {
5053                                                         $tags_str .= "&hellip;";
5054                                                 }
5055                                         }
5056
5057                                         $tags_str = preg_replace("/, $/", "", $tags_str);
5058                                         $full_tags_str = preg_replace("/, $/", "", $full_tags_str);
5059
5060                                         $all_tags_div = "<span class='cdmAllTagsCtr'>&hellip;<div class='cdmAllTags'>All Tags: $full_tags_str</div></span>";
5061
5062                                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
5063
5064
5065                                         if ($tags_str == "") $tags_str = "no tags";
5066
5067 //                                      print "<img src='images/tag.png' class='markedPic'>";
5068
5069                                         print "<span class='s1'>
5070                                                 <img class='tagsPic' src='images/tag.png' alt='Tags'
5071                                                         title='Tags'> $tags_str <a title=\"Edit tags for this article\"
5072                                                         href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5073
5074                                         print "</span>";
5075
5076                                         print "<span class='s2'>Toggle: <a class=\"cdmToggleLink\"
5077                                                         href=\"javascript:toggleUnread($id)\">
5078                                                         Unread</a></span>";
5079
5080                                         print "</div>";
5081                                         print "</div>";
5082
5083                                 }
5084
5085                                 ++$lnum;
5086                         }
5087
5088                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5089                                 print "</table>";
5090                         }
5091
5092 //                      print_headline_subtoolbar($link,
5093 //                              "javascript:catchupPage()", "Mark page as read", true, $rtl_content);
5094
5095
5096                 } else {
5097                         if (!$offset) print "<div class='whiteBox'>".__('No articles found.')."</div>";
5098                 }
5099
5100                 if (!$offset) {
5101                         print "</div>";
5102                         print "</div>";
5103                 }
5104
5105                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache);
5106         }
5107
5108 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5109
5110         function printTagCloud($link) {
5111
5112                 /* get first ref_id to count from */
5113
5114                 /*
5115
5116                 $query = "";
5117
5118                 if (DB_TYPE == "pgsql") {
5119                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
5120                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
5121                                 AND date_entered > NOW() - INTERVAL '30 days'";
5122                 } else {
5123                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
5124                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
5125                                 AND date_entered > DATE_SUB(NOW(), INTERVAL 30 DAY)";
5126                 }
5127
5128                 $result = db_query($link, $query);
5129                 $first_id = db_fetch_result($result, 0, "id"); */
5130
5131                 //AND post_int_id >= '$first_id'
5132                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5133                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5134                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5135
5136                 $result = db_query($link, $query);
5137
5138                 $tags = array();
5139
5140                 while ($line = db_fetch_assoc($result)) {
5141                         $tags[$line["tag_name"]] = $line["count"];
5142                 }
5143
5144                 ksort($tags);
5145
5146                 $max_size = 32; // max font size in pixels
5147                 $min_size = 11; // min font size in pixels
5148
5149                 // largest and smallest array values
5150                 $max_qty = max(array_values($tags));
5151                 $min_qty = min(array_values($tags));
5152
5153                 // find the range of values
5154                 $spread = $max_qty - $min_qty;
5155                 if ($spread == 0) { // we don't want to divide by zero
5156                                 $spread = 1;
5157                 }
5158
5159                 // set the font-size increment
5160                 $step = ($max_size - $min_size) / ($spread);
5161
5162                 // loop through the tag array
5163                 foreach ($tags as $key => $value) {
5164                         // calculate font-size
5165                         // find the $value in excess of $min_qty
5166                         // multiply by the font-size increment ($size)
5167                         // and add the $min_size set above
5168                         $size = round($min_size + (($value - $min_qty) * $step));
5169
5170                         $key_escaped = str_replace("'", "\\'", $key);
5171
5172                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5173                                 $size . "px\" title=\"$value articles tagged with " .
5174                                 $key . '">' . $key . '</a> ';
5175                 }
5176         }
5177
5178         function print_checkpoint($n, $s) {
5179                 $ts = getmicrotime();
5180                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5181                 return $ts;
5182         }
5183
5184         function sanitize_tag($tag) {
5185                 $tag = trim($tag);
5186
5187                 $tag = mb_strtolower($tag, 'utf-8');
5188
5189                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5190
5191 //              $tag = str_replace('"', "", $tag);
5192 //              $tag = str_replace("+", " ", $tag);
5193                 $tag = str_replace("technorati tag: ", "", $tag);
5194
5195                 return $tag;
5196         }
5197
5198         function generate_publish_key() {
5199                 return sha1(uniqid(rand(), true));
5200         }
5201
5202         function article_publish_url($link) {
5203
5204                 $url_path = 'http://' . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5205
5206                 $url_path .= "?op=publish&key=" . get_pref($link, "_PREFS_PUBLISH_KEY");
5207
5208                 return $url_path;
5209         }
5210
5211         /**
5212          * Purge a feed contents, marked articles excepted.
5213          *
5214          * @param mixed $link The database connection.
5215          * @param integer $id The id of the feed to purge.
5216          * @return void
5217          */
5218         function clear_feed_articles($link, $id) {
5219                 $result = db_query($link, "DELETE FROM ttrss_user_entries
5220                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5221
5222                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5223                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5224         } // function clear_feed_articles
5225
5226         /**
5227          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5228          *
5229          * @return string The Mozilla Firefox feed adding URL.
5230          */
5231         function add_feed_url() {
5232                 $url_path = 'http://' . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5233                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5234                 return $url_path;
5235         } // function add_feed_url
5236
5237         /**
5238          * Encrypt a password in SHA1.
5239          *
5240          * @param string $pass The password to encrypt.
5241          * @param string $login A optionnal login.
5242          * @return string The encrypted password.
5243          */
5244         function encrypt_password($pass, $login = '') {
5245                 if ($login) {
5246                         return "SHA1X:" . sha1("$login:$pass");
5247                 } else {
5248                         return "SHA1:" . sha1($pass);
5249                 }
5250         } // function encrypt_password
5251
5252         /**
5253          * Update a feed batch.
5254          * Used by daemons to update n feeds by run.
5255          * Only update feed needing a update, and not being processed
5256          * by another process.
5257          *
5258          * @param mixed $link Database link
5259          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5260          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5261          * @param boolean $debug Set to false to disable debug output. Default to true.
5262          * @return void
5263          */
5264         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5265                 // Process all other feeds using last_updated and interval parameters
5266
5267                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5268                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5269                         if (DB_TYPE == "pgsql") {
5270                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5271                         } else {
5272                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5273                         }
5274                 } else {
5275                         $login_thresh_qpart = "";
5276                 }
5277
5278                 // Test if the feed need a update (update interval exceded).
5279                 if (DB_TYPE == "pgsql") {
5280                         $update_limit_qpart = "AND ((
5281                                         ttrss_feeds.update_interval = 0
5282                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5283                                 ) OR (
5284                                         ttrss_feeds.update_interval > 0
5285                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5286                                 ) OR ttrss_feeds.last_updated IS NULL)";
5287                 } else {
5288                         $update_limit_qpart = "AND ((
5289                                         ttrss_feeds.update_interval = 0
5290                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5291                                 ) OR (
5292                                         ttrss_feeds.update_interval > 0
5293                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5294                                 ) OR ttrss_feeds.last_updated IS NULL)";
5295                 }
5296
5297                 // Test if feed is currently being updated by another process.
5298                 if (DB_TYPE == "pgsql") {
5299                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5300                 } else {
5301                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5302                 }
5303
5304                 // Test if there is a limit to number of updated feeds
5305                 $query_limit = "";
5306                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5307
5308                 $random_qpart = sql_random_function();
5309
5310                 // We search for feed needing update.
5311                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5312                                 SUBSTRING(ttrss_feeds.last_updated,1,19) AS last_updated,
5313                                 ttrss_feeds.update_interval
5314                         FROM
5315                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5316                         WHERE
5317                                 ttrss_feeds.owner_uid = ttrss_users.id
5318                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5319                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5320                                 $login_thresh_qpart $update_limit_qpart
5321                          $updstart_thresh_qpart
5322                         ORDER BY $random_qpart $query_limit");
5323
5324                 $user_prefs_cache = array();
5325
5326                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5327
5328                 // Here is a little cache magic in order to minimize risk of double feed updates.
5329                 $feeds_to_update = array();
5330                 while ($line = db_fetch_assoc($result)) {
5331                         $feeds_to_update[$line['id']] = $line;
5332                 }
5333
5334                 // We update the feed last update started date before anything else.
5335                 // There is no lag due to feed contents downloads
5336                 // It prevent an other process to update the same feed.
5337                 $feed_ids = array_keys($feeds_to_update);
5338                 if($feed_ids) {
5339                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5340                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5341                 }
5342
5343                 // For each feed, we call the feed update function.
5344                 while ($line = array_pop($feeds_to_update)) {
5345
5346                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5347
5348                         // We setup a alarm to alert if the feed take more than 300s to update.
5349                         // => HANG alarm.
5350                         if(!$from_http) pcntl_alarm(300);
5351                         update_rss_feed($link, $line["feed_url"], $line["id"], true);
5352                         // Cancel the alarm (the update went well)
5353                         if(!$from_http) pcntl_alarm(0);
5354
5355                         sleep(1); // prevent flood (FIXME make this an option?)
5356                 }
5357
5358         // Send feed digests by email if needed.
5359         if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5360
5361         } // function update_daemon_common
5362
5363         function generate_dashboard_feed($link) {
5364
5365                 print "<div id=\"headlinesContainer\">";
5366
5367                 print_headline_subtoolbar($link, "", "Dashboard",
5368                         false, false, -4, false, false, false,
5369                         false, 0, 0, true, true, "tag.png");
5370
5371                 print "<div id=\"headlinesInnerContainer\" class=\"dashboard\">";
5372                 print "<div>There is <b>666</b> unread articles in <b>666</b> feeds.</div>";
5373                 print "</div>";
5374
5375                 print "</div>";
5376
5377                 print "]]></headlines>";
5378                 print "<headlines-count value=\"0\"/>";
5379                 print "<headlines-unread value=\"0\"/>";
5380                 print "<disable-cache value=\"1\"/>";
5381
5382                 print "<articles>";
5383                 print "</articles>";
5384         }
5385
5386 ?>