functions.php

   1 <?php
   2
   3 /*      if ($_GET["debug"]) {
   4                 define('DEFAULT_ERROR_LEVEL', E_ALL);
   5         } else {
   6                 define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
   7         } */
   8
   9         require_once 'config.php';
  10
  11         if (DB_TYPE == "pgsql") {
  12                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  13         } else {
  14                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  15         }
  16
  17         /**
  18          * Return available translations names.
  19          *
  20          * @access public
  21          * @return array A array of available translations.
  22          */
  23         function get_translations() {
  24                 $tr = array(
  25                                         "auto"  => "Detect automatically",
  26                                         "en_US" => "English",
  27                                         "fr_FR" => "Français",
  28                                         "hu_HU" => "Magyar (Hungarian)",
  29                                         "nb_NO" => "Norwegian bokmål",
  30                                         "ru_RU" => "Русский",
  31                                         "pt_BR" => "Portuguese/Brazil",
  32                                         "zh_CN" => "Simplified Chinese");
  33
  34                 return $tr;
  35         }
  36
  37         if (ENABLE_TRANSLATIONS == true) { // If translations are enabled.
  38                 require_once "accept-to-gettext.php";
  39                 require_once "gettext/gettext.inc";
  40
  41                 function startup_gettext() {
  42
  43                         # Get locale from Accept-Language header
  44                         $lang = al2gt(array_keys(get_translations()), "text/html");
  45
  46                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  47                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  48                         }
  49
  50                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  51                                 $lang = $_COOKIE["ttrss_lang"];
  52                         }
  53
  54                         if ($lang) {
  55                                 if (defined('LC_MESSAGES')) {
  56                                         _setlocale(LC_MESSAGES, $lang);
  57                                 } else if (defined('LC_ALL')) {
  58                                         _setlocale(LC_ALL, $lang);
  59                                 } else {
  60                                         die("can't setlocale(): please set ENABLE_TRANSLATIONS to false in config.php");
  61                                 }
  62                                 _bindtextdomain("messages", "locale");
  63                                 _textdomain("messages");
  64                                 _bind_textdomain_codeset("messages", "UTF-8");
  65                         }
  66                 }
  67
  68                 startup_gettext();
  69
  70         } else { // If translations are enabled.
  71                 function __($msg) {
  72                         return $msg;
  73                 }
  74                 function startup_gettext() {
  75                         // no-op
  76                         return true;
  77                 }
  78         } // If translations are enabled.
  79
  80         require_once 'db-prefs.php';
  81         require_once 'compat.php';
  82         require_once 'errors.php';
  83         require_once 'version.php';
  84
  85         require_once 'phpmailer/class.phpmailer.php';
  86
  87         define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
  88         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
  89
  90         require_once "simplepie/simplepie.inc";
  91         require_once "magpierss/rss_fetch.inc";
  92         require_once 'magpierss/rss_utils.inc';
  93
  94         /**
  95          * Print a timestamped debug message.
  96          *
  97          * @param string $msg The debug message.
  98          * @return void
  99          */
 100         function _debug($msg) {
 101                 $ts = strftime("%H:%M:%S", time());
 102                 if (function_exists('posix_getpid')) {
 103                         $ts = "$ts/" . posix_getpid();
 104                 }
 105                 print "[$ts] $msg\n";
 106         } // function _debug
 107
 108         /**
 109          * Purge a feed old posts.
 110          *
 111          * @param mixed $link A database connection.
 112          * @param mixed $feed_id The id of the purged feed.
 113          * @param mixed $purge_interval Olderness of purged posts.
 114          * @param boolean $debug Set to True to enable the debug. False by default.
 115          * @access public
 116          * @return void
 117          */
 118         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 119
 120                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 121
 122                 $rows = -1;
 123
 124                 $result = db_query($link,
 125                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 126
 127                 $owner_uid = false;
 128
 129                 if (db_num_rows($result) == 1) {
 130                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 131                 }
 132
 133                 if (!$owner_uid) return;
 134
 135                 $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 136                         $owner_uid, false);
 137
 138                 if (!$purge_unread) $query_limit = " unread = false AND ";
 139
 140                 if (DB_TYPE == "pgsql") {
 141 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 142                                 marked = false AND feed_id = '$feed_id' AND
 143                                 (SELECT date_entered FROM ttrss_entries WHERE
 144                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
 145
 146                         $pg_version = get_pgsql_version($link);
 147
 148                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 149
 150                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 151                                         ttrss_entries.id = ref_id AND
 152                                         marked = false AND
 153                                         feed_id = '$feed_id' AND
 154                                         $query_limit
 155                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 156
 157                         } else {
 158
 159                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 160                                         USING ttrss_entries
 161                                         WHERE ttrss_entries.id = ref_id AND
 162                                         marked = false AND
 163                                         feed_id = '$feed_id' AND
 164                                         $query_limit
 165                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 166                         }
 167
 168                         $rows = pg_affected_rows($result);
 169
 170                 } else {
 171
 172 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 173                                 marked = false AND feed_id = '$feed_id' AND
 174                                 (SELECT date_entered FROM ttrss_entries WHERE
 175                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 176
 177                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 178                                 USING ttrss_user_entries, ttrss_entries
 179                                 WHERE ttrss_entries.id = ref_id AND
 180                                 marked = false AND
 181                                 feed_id = '$feed_id' AND
 182                                 $query_limit
 183                                 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 184
 185                         $rows = mysql_affected_rows($link);
 186
 187                 }
 188
 189                 if ($debug) {
 190                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 191                 }
 192         } // function purge_feed
 193
 194         /**
 195          * Purge old posts from old feeds.
 196          *
 197          * @param mixed $link A database connection
 198          * @param boolean $do_output Set to true to enable printed output, false by default.
 199          * @param integer $limit The maximal number of removed posts.
 200          * @access public
 201          * @return void
 202          */
 203         function global_purge_old_posts($link, $do_output = false, $limit = false) {
 204
 205                 $random_qpart = sql_random_function();
 206
 207                 if ($limit) {
 208                         $limit_qpart = "LIMIT $limit";
 209                 } else {
 210                         $limit_qpart = "";
 211                 }
 212
 213                 $result = db_query($link,
 214                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 215                                 ORDER BY $random_qpart $limit_qpart");
 216
 217                 while ($line = db_fetch_assoc($result)) {
 218
 219                         $feed_id = $line["id"];
 220                         $purge_interval = $line["purge_interval"];
 221                         $owner_uid = $line["owner_uid"];
 222
 223                         if ($purge_interval == 0) {
 224
 225                                 $tmp_result = db_query($link,
 226                                         "SELECT value FROM ttrss_user_prefs WHERE
 227                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 228
 229                                 if (db_num_rows($tmp_result) != 0) {
 230                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 231                                 }
 232                         }
 233
 234                         if ($do_output) {
 235 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 236                         }
 237
 238                         if ($purge_interval > 0) {
 239                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 240                         }
 241                 }
 242
 243                 // purge orphaned posts in main content table
 244                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 245                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 246
 247                 if ($do_output) {
 248                         $rows = db_affected_rows($link, $result);
 249                         _debug("Purged $rows orphaned posts.");
 250                 }
 251
 252         } // function global_purge_old_posts
 253
 254         function feed_purge_interval($link, $feed_id) {
 255
 256                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 257                         WHERE id = '$feed_id'");
 258
 259                 if (db_num_rows($result) == 1) {
 260                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 261                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 262
 263                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 264                                 'PURGE_OLD_DAYS', $user_id);
 265
 266                         return $purge_interval;
 267
 268                 } else {
 269                         return -1;
 270                 }
 271         }
 272
 273         function purge_old_posts($link) {
 274
 275                 $user_id = $_SESSION["uid"];
 276
 277                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 278                         WHERE owner_uid = '$user_id'");
 279
 280                 while ($line = db_fetch_assoc($result)) {
 281
 282                         $feed_id = $line["id"];
 283                         $purge_interval = $line["purge_interval"];
 284
 285                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 286
 287                         if ($purge_interval > 0) {
 288                                 purge_feed($link, $feed_id, $purge_interval);
 289                         }
 290                 }
 291
 292                 // purge orphaned posts in main content table
 293                 db_query($link, "DELETE FROM ttrss_entries WHERE
 294                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 295         }
 296
 297         function get_feed_update_interval($link, $feed_id) {
 298                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 299                         ttrss_feeds WHERE id = '$feed_id'");
 300
 301                 if (db_num_rows($result) == 1) {
 302                         $update_interval = db_fetch_result($result, 0, "update_interval");
 303                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 304
 305                         if ($update_interval != 0) {
 306                                 return $update_interval;
 307                         } else {
 308                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 309                         }
 310
 311                 } else {
 312                         return -1;
 313                 }
 314         }
 315
 316         function update_all_feeds($link, $fetch, $user_id = false, $force_daemon = false) {
 317
 318                 if (WEB_DEMO_MODE) return;
 319
 320                 if (!$user_id) {
 321                         $user_id = $_SESSION["uid"];
 322                         purge_old_posts($link);
 323                 }
 324
 325 //              db_query($link, "BEGIN");
 326
 327                 if (MAX_UPDATE_TIME > 0) {
 328                         if (DB_TYPE == "mysql") {
 329                                 $q_order = "RAND()";
 330                         } else {
 331                                 $q_order = "RANDOM()";
 332                         }
 333                 } else {
 334                         $q_order = "last_updated DESC";
 335                 }
 336
 337                 $result = db_query($link, "SELECT feed_url,id,
 338                         ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated,
 339                         update_interval FROM ttrss_feeds WHERE owner_uid = '$user_id'
 340                         ORDER BY $q_order");
 341
 342                 $upd_start = time();
 343
 344                 while ($line = db_fetch_assoc($result)) {
 345                         $upd_intl = $line["update_interval"];
 346
 347                         if (!$upd_intl || $upd_intl == 0) {
 348                                 $upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id, false);
 349                         }
 350
 351                         if ($upd_intl < 0) {
 352                                 // Updates for this feed are disabled
 353                                 continue;
 354                         }
 355
 356                         if ($fetch || (!$line["last_updated"] ||
 357                                 time() - strtotime($line["last_updated"]) > ($upd_intl * 60))) {
 358
 359 //                              print "<!-- feed: ".$line["feed_url"]." -->";
 360
 361                                 update_rss_feed($link, $line["feed_url"], $line["id"], $force_daemon);
 362
 363                                 $upd_elapsed = time() - $upd_start;
 364
 365                                 if (MAX_UPDATE_TIME > 0 && $upd_elapsed > MAX_UPDATE_TIME) {
 366                                         return;
 367                                 }
 368                         }
 369                 }
 370
 371 //              db_query($link, "COMMIT");
 372
 373         }
 374
 375         function fetch_file_contents($url) {
 376                 if (USE_CURL_FOR_ICONS) {
 377                         $tmpfile = tempnam(TMP_DIRECTORY, "ttrss-tmp");
 378
 379                         $ch = curl_init($url);
 380                         $fp = fopen($tmpfile, "w");
 381
 382                         if ($fp) {
 383                                 curl_setopt($ch, CURLOPT_FILE, $fp);
 384                                 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 385                                 curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 386                                 curl_exec($ch);
 387                                 curl_close($ch);
 388                                 fclose($fp);
 389                         }
 390
 391                         $contents =  file_get_contents($tmpfile);
 392                         unlink($tmpfile);
 393
 394                         return $contents;
 395
 396                 } else {
 397                         return file_get_contents($url);
 398                 }
 399
 400         }
 401
 402         /**
 403          * Try to determine the favicon URL for a feed.
 404          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 405          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 406          *
 407          * @param string $url A feed or page URL
 408          * @access public
 409          * @return mixed The favicon URL, or false if none was found.
 410          */
 411         function get_favicon_url($url) {
 412
 413                 if ($html = @fetch_file_contents($url)) {
 414
 415                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
 416                                 // Attempt to grab a favicon link from their webpage url
 417                                 $linkUrl = html_entity_decode($matches[1]);
 418
 419                                 if (substr($linkUrl, 0, 1) == '/') {
 420                                         $urlParts = parse_url($url);
 421                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
 422                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
 423                                         $faviconURL = $linkUrl;
 424                                 } else if (substr($url, -1, 1) == '/') {
 425                                         $faviconURL = $url.$linkUrl;
 426                                 } else {
 427                                         $faviconURL = $url.'/'.$linkUrl;
 428                                 }
 429
 430                         } else {
 431                                 // If unsuccessful, attempt to "guess" the favicon location
 432                                 $urlParts = parse_url($url);
 433                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
 434                         }
 435                 }
 436
 437                 // Run a test to see if what we have attempted to get actually exists.
 438                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
 439                         return $faviconURL;
 440                 } else {
 441                         return false;
 442                 }
 443         } // function get_favicon_url
 444
 445         /**
 446          * Check if a link is a valid and working URL.
 447          *
 448          * @param mixed $link A URL to check
 449          * @access public
 450          * @return boolean True if the URL is valid, false otherwise.
 451          */
 452         function url_validate($link) {
 453
 454                 $url_parts = @parse_url($link);
 455
 456                 if ( empty( $url_parts["host"] ) )
 457                                 return false;
 458
 459                 if ( !empty( $url_parts["path"] ) ) {
 460                                 $documentpath = $url_parts["path"];
 461                 } else {
 462                                 $documentpath = "/";
 463                 }
 464
 465                 if ( !empty( $url_parts["query"] ) )
 466                                 $documentpath .= "?" . $url_parts["query"];
 467
 468                 $host = $url_parts["host"];
 469                 $port = $url_parts["port"];
 470
 471                 if ( empty($port) )
 472                                 $port = "80";
 473
 474                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 475
 476                 if ( !$socket )
 477                                 return false;
 478
 479                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 480
 481                 $http_response = fgets( $socket, 22 );
 482
 483                 $responses = "/(200 OK)|(30[0-9] Moved)/";
 484                 if ( preg_match($responses, $http_response) ) {
 485                                 fclose($socket);
 486                                 return true;
 487                 } else {
 488                                 return false;
 489                 }
 490
 491         } // function url_validate
 492
 493         function check_feed_favicon($site_url, $feed, $link) {
 494                 $favicon_url = get_favicon_url($site_url);
 495
 496 #               print "FAVICON [$site_url]: $favicon_url\n";
 497
 498                 error_reporting(0);
 499
 500                 $icon_file = ICONS_DIR . "/$feed.ico";
 501
 502                 if ($favicon_url && !file_exists($icon_file)) {
 503                         $contents = fetch_file_contents($favicon_url);
 504
 505                         $fp = fopen($icon_file, "w");
 506
 507                         if ($fp) {
 508                                 fwrite($fp, $contents);
 509                                 fclose($fp);
 510                                 chmod($icon_file, 0644);
 511                         }
 512                 }
 513
 514                 error_reporting(DEFAULT_ERROR_LEVEL);
 515
 516         }
 517
 518         function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
 519
 520                 if (!$_GET["daemon"] && !$ignore_daemon) {
 521                         return false;
 522                 }
 523
 524                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 525                         _debug("update_rss_feed: start");
 526                 }
 527
 528                 if (!$ignore_daemon) {
 529
 530                         if (DB_TYPE == "pgsql") {
 531                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 532                                 } else {
 533                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 534                                 }
 535
 536                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 537                                 auth_pass,cache_images,update_method
 538                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 539
 540                 } else {
 541
 542                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 543                                 auth_pass,cache_images,update_method
 544                                 FROM ttrss_feeds WHERE id = '$feed'");
 545
 546                 }
 547
 548                 if (db_num_rows($result) == 0) {
 549                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 550                                 _debug("update_rss_feed: feed $feed [$feed_url] NOT FOUND/SKIPPED");
 551                         }
 552                         return false;
 553                 }
 554
 555                 $update_method = db_fetch_result($result, 0, "update_method");
 556
 557                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 558                         WHERE id = '$feed'");
 559
 560                 $auth_login = db_fetch_result($result, 0, "auth_login");
 561                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 562
 563                 if (ALLOW_SELECT_UPDATE_METHOD) {
 564                         if (ENABLE_SIMPLEPIE) {
 565                                 $use_simplepie = $update_method != 1;
 566                         } else {
 567                                 $use_simplepie = $update_method == 2;
 568                         }
 569                 } else {
 570                         $use_simplepie = ENABLE_SIMPLEPIE;
 571                 }
 572
 573                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 574                         _debug("use simplepie: $use_simplepie (feed setting: $update_method)\n");
 575                 }
 576
 577                 if (!$use_simplepie) {
 578                         $auth_login = urlencode($auth_login);
 579                         $auth_pass = urlencode($auth_pass);
 580                 }
 581
 582                 $update_interval = db_fetch_result($result, 0, "update_interval");
 583                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 584
 585                 if ($update_interval < 0) { return; }
 586
 587                 $feed = db_escape_string($feed);
 588
 589                 $fetch_url = $feed_url;
 590
 591                 if ($auth_login && $auth_pass) {
 592                         $url_parts = array();
 593                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 594
 595                         if ($url_parts[1] && $url_parts[2]) {
 596                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 597                         }
 598
 599                 }
 600
 601                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 602                         _debug("update_rss_feed: fetching [$fetch_url]...");
 603                 }
 604
 605                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_GET['xdebug']) {
 606                         error_reporting(0);
 607                 }
 608
 609                 if (!$use_simplepie) {
 610                         $rss = fetch_rss($fetch_url);
 611                 } else {
 612                         if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 613                                 mkdir(SIMPLEPIE_CACHE_DIR);
 614                         }
 615
 616                         $rss = new SimplePie();
 617                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
 618 #                       $rss->set_timeout(10);
 619                         $rss->set_feed_url($fetch_url);
 620                         $rss->set_output_encoding('UTF-8');
 621
 622                         if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 623                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 624                                         _debug("enabling image cache");
 625                                 }
 626
 627                                 $rss->set_image_handler('./image.php', 'i');
 628                         }
 629
 630                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 631                                 _debug("feed update interval (sec): " .
 632                                         get_feed_update_interval($link, $feed)*60);
 633                         }
 634
 635                         if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 636                                 $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 637                                 $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 638                         }
 639
 640                         $rss->init();
 641                 }
 642
 643 //              print_r($rss);
 644
 645                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 646                         _debug("update_rss_feed: fetch done, parsing...");
 647                 } else {
 648                         error_reporting (DEFAULT_ERROR_LEVEL);
 649                 }
 650
 651                 $feed = db_escape_string($feed);
 652
 653                 if ($use_simplepie) {
 654                         $fetch_ok = !$rss->error();
 655                 } else {
 656                         $fetch_ok = !!$rss;
 657                 }
 658
 659                 if ($fetch_ok) {
 660
 661                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 662                                 _debug("update_rss_feed: processing feed data...");
 663                         }
 664
 665 //                      db_query($link, "BEGIN");
 666
 667                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 668                                 FROM ttrss_feeds WHERE id = '$feed'");
 669
 670                         $registered_title = db_fetch_result($result, 0, "title");
 671                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 672                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 673
 674                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 675
 676                         if ($use_simplepie) {
 677                                 $site_url = $rss->get_link();
 678                         } else {
 679                                 $site_url = $rss->channel["link"];
 680                         }
 681
 682                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
 683                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 684                                         _debug("update_rss_feed: checking favicon...");
 685                                 }
 686
 687                                 check_feed_favicon($site_url, $feed, $link);
 688                         }
 689
 690                         if (!$registered_title || $registered_title == "[Unknown]") {
 691
 692                                 if ($use_simplepie) {
 693                                         $feed_title = db_escape_string($rss->get_title());
 694                                 } else {
 695                                         $feed_title = db_escape_string($rss->channel["title"]);
 696                                 }
 697
 698                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 699                                         _debug("update_rss_feed: registering title: $feed_title");
 700                                 }
 701
 702                                 db_query($link, "UPDATE ttrss_feeds SET
 703                                         title = '$feed_title' WHERE id = '$feed'");
 704                         }
 705
 706                         // weird, weird Magpie
 707                         if (!$use_simplepie) {
 708                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 709                         }
 710
 711                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 712                                 db_query($link, "UPDATE ttrss_feeds SET
 713                                         site_url = '$site_url' WHERE id = '$feed'");
 714                         }
 715
 716 //                      print "I: " . $rss->channel["image"]["url"];
 717
 718                         if (!$use_simplepie) {
 719                                 $icon_url = $rss->image["url"];
 720                         } else {
 721                                 $icon_url = $rss->get_image_url();
 722                         }
 723
 724                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
 725                                 $icon_url = db_escape_string($icon_url);
 726                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 727                         }
 728
 729                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 730                                 _debug("update_rss_feed: loading filters...");
 731                         }
 732
 733                         $filters = array();
 734
 735                         $result = db_query($link, "SELECT reg_exp,
 736                                 ttrss_filter_types.name AS name,
 737                                 ttrss_filter_actions.name AS action,
 738                                 inverse,
 739                                 action_param
 740                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
 741                                         enabled = true AND
 742                                         owner_uid = $owner_uid AND
 743                                         ttrss_filter_types.id = filter_type AND
 744                                         ttrss_filter_actions.id = action_id AND
 745                                 (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
 746
 747                         while ($line = db_fetch_assoc($result)) {
 748                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
 749
 750                                 $filter["reg_exp"] = $line["reg_exp"];
 751                                 $filter["action"] = $line["action"];
 752                                 $filter["action_param"] = $line["action_param"];
 753                                 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
 754
 755                                 array_push($filters[$line["name"]], $filter);
 756                         }
 757
 758                         if ($use_simplepie) {
 759                                 $iterator = $rss->get_items();
 760                         } else {
 761                                 $iterator = $rss->items;
 762                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 763                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 764                         }
 765
 766                         if (!is_array($iterator)) {
 767                                 /* db_query($link, "UPDATE ttrss_feeds
 768                                         SET last_error = 'Parse error: can\'t find any articles.'
 769                                         WHERE id = '$feed'"); */
 770
 771                                 // clear any errors and mark feed as updated if fetched okay
 772                                 // even if it's blank
 773
 774                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 775                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 776                                 }
 777
 778                                 db_query($link, "UPDATE ttrss_feeds
 779                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 780
 781                                 return; // no articles
 782                         }
 783
 784                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 785                                 _debug("update_rss_feed: processing articles...");
 786                         }
 787
 788                         foreach ($iterator as $item) {
 789
 790                                 if ($_GET['xdebug']) {
 791                                         print_r($item);
 792
 793                                 }
 794
 795                                 if ($use_simplepie) {
 796                                         $entry_guid = $item->get_id();
 797                                         if (!$entry_guid) $entry_guid = $item->get_link();
 798                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 799
 800                                 } else {
 801
 802                                         $entry_guid = $item["id"];
 803
 804                                         if (!$entry_guid) $entry_guid = $item["guid"];
 805                                         if (!$entry_guid) $entry_guid = $item["link"];
 806                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 807                                 }
 808
 809                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 810                                         _debug("update_rss_feed: guid $entry_guid");
 811                                 }
 812
 813                                 if (!$entry_guid) continue;
 814
 815                                 $entry_timestamp = "";
 816
 817                                 if ($use_simplepie) {
 818                                         $entry_timestamp = strtotime($item->get_date());
 819                                 } else {
 820                                         $rss_2_date = $item['pubdate'];
 821                                         $rss_1_date = $item['dc']['date'];
 822                                         $atom_date = $item['issued'];
 823                                         if (!$atom_date) $atom_date = $item['updated'];
 824
 825                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 826                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 827                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 828                                 }
 829
 830                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 831                                         _debug("update_rss_feed: date $entry_timestamp");
 832                                 }
 833
 834                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 835                                         $entry_timestamp = time();
 836                                         $no_orig_date = 'true';
 837                                 } else {
 838                                         $no_orig_date = 'false';
 839                                 }
 840
 841                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 842
 843                                 if ($use_simplepie) {
 844                                         $entry_title = $item->get_title();
 845                                 } else {
 846                                         $entry_title = trim(strip_tags($item["title"]));
 847                                 }
 848
 849                                 if ($use_simplepie) {
 850                                         $entry_link = $item->get_link();
 851                                 } else {
 852                                         // strange Magpie workaround
 853                                         $entry_link = $item["link_"];
 854                                         if (!$entry_link) $entry_link = $item["link"];
 855                                 }
 856
 857                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 858                                         _debug("update_rss_feed: title $entry_title");
 859                                 }
 860
 861                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 862
 863                                 $entry_link = strip_tags($entry_link);
 864
 865                                 if ($use_simplepie) {
 866                                         $entry_content = $item->get_content();
 867                                         if (!$entry_content) $entry_content = $item->get_description();
 868                                 } else {
 869                                         $entry_content = $item["content:escaped"];
 870
 871                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 872                                         if (!$entry_content) $entry_content = $item["content"];
 873
 874                                         // Magpie bugs are getting ridiculous
 875                                         if (trim($entry_content) == "Array") $entry_content = false;
 876
 877                                         if (!$entry_content) $entry_content = $item["atom_content"];
 878                                         if (!$entry_content) $entry_content = $item["summary"];
 879                                         if (!$entry_content) $entry_content = $item["description"];
 880
 881                                         // WTF
 882                                         if (is_array($entry_content)) {
 883                                                 $entry_content = $entry_content["encoded"];
 884                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 885                                         }
 886                                 }
 887
 888                                 if ($_GET["xdebug"]) {
 889                                         print "update_rss_feed: content: ";
 890                                         print_r(htmlspecialchars($entry_content));
 891                                 }
 892
 893                                 $entry_content_unescaped = $entry_content;
 894
 895                                 if ($use_simplepie) {
 896                                         $entry_comments = strip_tags($item->data["comments"]);
 897                                         if ($item->get_author()) {
 898                                                 $entry_author_item = $item->get_author();
 899                                                 $entry_author = $entry_author_item->get_name();
 900                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 901
 902                                                 $entry_author = db_escape_string($entry_author);
 903                                         }
 904                                 } else {
 905                                         $entry_comments = strip_tags($item["comments"]);
 906
 907                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 908
 909                                         if ($item['author']) {
 910
 911                                                 if (is_array($item['author'])) {
 912
 913                                                         if (!$entry_author) {
 914                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 915                                                         }
 916
 917                                                         if (!$entry_author) {
 918                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 919                                                         }
 920                                                 }
 921
 922                                                 if (!$entry_author) {
 923                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 924                                                 }
 925                                         }
 926                                 }
 927
 928                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 929
 930                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 931                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 932
 933                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 934                                         WHERE guid = '$entry_guid'");
 935
 936                                 $entry_content = db_escape_string($entry_content);
 937
 938                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 939
 940                                 $entry_title = db_escape_string($entry_title);
 941                                 $entry_link = db_escape_string($entry_link);
 942                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 943                                 $entry_author = mb_substr($entry_author, 0, 250);
 944
 945                                 if ($use_simplepie) {
 946                                         $num_comments = 0; #FIXME#
 947                                 } else {
 948                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 949                                 }
 950
 951                                 if (!$num_comments) $num_comments = 0;
 952
 953                                 // parse <category> entries into tags
 954
 955                                 if ($use_simplepie) {
 956
 957                                         $additional_tags = array();
 958                                         $additional_tags_src = $item->get_categories();
 959
 960                                         if (is_array($additional_tags_src)) {
 961                                                 foreach ($additional_tags_src as $tobj) {
 962                                                         array_push($additional_tags, $tobj->get_term());
 963                                                 }
 964                                         }
 965
 966                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 967                                                 _debug("update_rss_feed: category tags:");
 968                                                 print_r($additional_tags);
 969                                         }
 970
 971                                 } else {
 972
 973                                         $t_ctr = $item['category#'];
 974
 975                                         $additional_tags = false;
 976
 977                                         if ($t_ctr == 0) {
 978                                                 $additional_tags = false;
 979                                         } else if ($t_ctr > 0) {
 980                                                 $additional_tags = array($item['category']);
 981
 982                                                 if ($item['category@term']) {
 983                                                         array_push($additional_tags, $item['category@term']);
 984                                                 }
 985
 986                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 987                                                         if ($item["category#$i"]) {
 988                                                                 array_push($additional_tags, $item["category#$i"]);
 989                                                         }
 990
 991                                                         if ($item["category#$i@term"]) {
 992                                                                 array_push($additional_tags, $item["category#$i@term"]);
 993                                                         }
 994                                                 }
 995                                         }
 996
 997                                         // parse <dc:subject> elements
 998
 999                                         $t_ctr = $item['dc']['subject#'];
1000
1001                                         if ($t_ctr > 0) {
1002                                                 $additional_tags = array($item['dc']['subject']);
1003
1004                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1005                                                         if ($item['dc']["subject#$i"]) {
1006                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
1007                                                         }
1008                                                 }
1009                                         }
1010                                 }
1011
1012                                 // enclosures
1013
1014                                 $enclosures = array();
1015
1016                                 if ($use_simplepie) {
1017                                         $encs = $item->get_enclosures();
1018
1019                                         if (is_array($encs)) {
1020                                                 foreach ($encs as $e) {
1021                                                         $e_item = array(
1022                                                                 $e->link, $e->type, $e->length);
1023
1024                                                         array_push($enclosures, $e_item);
1025                                                 }
1026                                         }
1027
1028                                 } else {
1029                                         $e_ctr = $item['enclosure#'];
1030
1031                                         if ($e_ctr > 0) {
1032                                                 $e_item = array($item['enclosure@url'],
1033                                                         $item['enclosure@type'],
1034                                                         $item['enclosure@length']);
1035
1036                                                 array_push($enclosures, $e_item);
1037
1038                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1039
1040                                                         if ($item["enclosure#$i@url"]) {
1041                                                                 $e_item = array($item["enclosure#$i@url"],
1042                                                                         $item["enclosure#$i@type"],
1043                                                                         $item["enclosure#$i@length"]);
1044                                                                 array_push($enclosures, $e_item);
1045                                                         }
1046                                                 }
1047                                         }
1048
1049                                 }
1050
1051                                 # sanitize content
1052
1053                                 $entry_content = sanitize_article_content($entry_content);
1054                                 $entry_title = sanitize_article_content($entry_title);
1055
1056                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1057                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1058                                 }
1059
1060                                 db_query($link, "BEGIN");
1061
1062                                 if (db_num_rows($result) == 0) {
1063
1064                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1065                                                 _debug("update_rss_feed: base guid not found");
1066                                         }
1067
1068                                         // base post entry does not exist, create it
1069
1070                                         $result = db_query($link,
1071                                                 "INSERT INTO ttrss_entries
1072                                                         (title,
1073                                                         guid,
1074                                                         link,
1075                                                         updated,
1076                                                         content,
1077                                                         content_hash,
1078                                                         no_orig_date,
1079                                                         date_entered,
1080                                                         comments,
1081                                                         num_comments,
1082                                                         author)
1083                                                 VALUES
1084                                                         ('$entry_title',
1085                                                         '$entry_guid',
1086                                                         '$entry_link',
1087                                                         '$entry_timestamp_fmt',
1088                                                         '$entry_content',
1089                                                         '$content_hash',
1090                                                         $no_orig_date,
1091                                                         NOW(),
1092                                                         '$entry_comments',
1093                                                         '$num_comments',
1094                                                         '$entry_author')");
1095                                 } else {
1096                                         // we keep encountering the entry in feeds, so we need to
1097                                         // update date_entered column so that we don't get horrible
1098                                         // dupes when the entry gets purged and reinserted again e.g.
1099                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1100
1101                                         $base_entry_id = db_fetch_result($result, 0, "id");
1102
1103                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
1104                                                 WHERE id = '$base_entry_id'");
1105                                 }
1106
1107                                 // now it should exist, if not - bad luck then
1108
1109                                 $result = db_query($link, "SELECT
1110                                                 id,content_hash,no_orig_date,title,
1111                                                 ".SUBSTRING_FOR_DATE."(date_entered,1,19) as date_entered,
1112                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1113                                                 num_comments
1114                                         FROM
1115                                                 ttrss_entries
1116                                         WHERE guid = '$entry_guid'");
1117
1118                                 $entry_ref_id = 0;
1119                                 $entry_int_id = 0;
1120
1121                                 if (db_num_rows($result) == 1) {
1122
1123                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1124                                                 _debug("update_rss_feed: base guid found, checking for user record");
1125                                         }
1126
1127                                         // this will be used below in update handler
1128                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1129                                         $orig_title = db_fetch_result($result, 0, "title");
1130                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1131                                         $orig_date_entered = strtotime(db_fetch_result($result,
1132                                                 0, "date_entered"));
1133
1134                                         $ref_id = db_fetch_result($result, 0, "id");
1135                                         $entry_ref_id = $ref_id;
1136
1137                                         // check for user post link to main table
1138
1139                                         // do we allow duplicate posts with same GUID in different feeds?
1140                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1141                                                 $dupcheck_qpart = "AND feed_id = '$feed'";
1142                                         } else {
1143                                                 $dupcheck_qpart = "";
1144                                         }
1145
1146 //                                      error_reporting(0);
1147
1148                                         $article_filters = get_article_filters($filters, $entry_title,
1149                                                         $entry_content, $entry_link);
1150
1151                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1152                                                 _debug("update_rss_feed: article filters: ");
1153                                                 if (count($article_filters) != 0) {
1154                                                         print_r($article_filters);
1155                                                 }
1156                                         }
1157
1158                                         if (find_article_filter($article_filters, "filter")) {
1159                                                 continue;
1160                                         }
1161
1162 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
1163
1164                                         $score = calculate_article_score($article_filters);
1165
1166                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1167                                                 _debug("update_rss_feed: initial score: $score");
1168                                         }
1169
1170                                         $result = db_query($link,
1171                                                 "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1172                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1173                                                         $dupcheck_qpart");
1174
1175                                         // okay it doesn't exist - create user entry
1176                                         if (db_num_rows($result) == 0) {
1177
1178                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1179                                                         _debug("update_rss_feed: user record not found, creating...");
1180                                                 }
1181
1182                                                 if (!find_article_filter($article_filters, 'catchup')) {
1183                                                         $unread = 'true';
1184                                                         $last_read_qpart = 'NULL';
1185                                                 } else {
1186                                                         $unread = 'false';
1187                                                         $last_read_qpart = 'NOW()';
1188                                                 }
1189
1190                                                 if (find_article_filter($article_filters, 'mark')) {
1191                                                         $marked = 'true';
1192                                                 } else {
1193                                                         $marked = 'false';
1194                                                 }
1195
1196                                                 if (find_article_filter($article_filters, 'publish')) {
1197                                                         $published = 'true';
1198                                                 } else {
1199                                                         $published = 'false';
1200                                                 }
1201
1202                                                 $result = db_query($link,
1203                                                         "INSERT INTO ttrss_user_entries
1204                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1205                                                                         published, score)
1206                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1207                                                                 $last_read_qpart, $marked, $published, '$score')");
1208
1209                                                 $result = db_query($link,
1210                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1211                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1212                                                                 feed_id = '$feed' LIMIT 1");
1213
1214                                                 if (db_num_rows($result) == 1) {
1215                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1216                                                 }
1217                                         } else {
1218                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1219                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1220                                         }
1221
1222                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1223                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1224                                         }
1225
1226                                         $post_needs_update = false;
1227
1228                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1229                                                 ($content_hash != $orig_content_hash)) {
1230 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1231                                                 $post_needs_update = true;
1232                                         }
1233
1234                                         if (db_escape_string($orig_title) != $entry_title) {
1235                                                 $post_needs_update = true;
1236                                         }
1237
1238                                         if ($orig_num_comments != $num_comments) {
1239                                                 $post_needs_update = true;
1240                                         }
1241
1242 //                                      this doesn't seem to be very reliable
1243 //
1244 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1245 //                                              $post_needs_update = true;
1246 //                                      }
1247
1248                                         // if post needs update, update it and mark all user entries
1249                                         // linking to this post as updated
1250                                         if ($post_needs_update) {
1251
1252                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1253                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1254                                                 }
1255
1256 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1257
1258                                                 db_query($link, "UPDATE ttrss_entries
1259                                                         SET title = '$entry_title', content = '$entry_content',
1260                                                                 content_hash = '$content_hash',
1261                                                                 num_comments = '$num_comments'
1262                                                         WHERE id = '$ref_id'");
1263
1264                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1265                                                         db_query($link, "UPDATE ttrss_user_entries
1266                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1267                                                 } else {
1268                                                         db_query($link, "UPDATE ttrss_user_entries
1269                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1270                                                 }
1271
1272                                         }
1273                                 }
1274
1275                                 db_query($link, "COMMIT");
1276
1277                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1278                                         _debug("update_rss_feed: looking for enclosures...");
1279                                 }
1280
1281                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1282                                         print_r($enclosures);
1283                                 }
1284
1285                                 db_query($link, "BEGIN");
1286
1287                                 foreach ($enclosures as $enc) {
1288                                         $enc_url = db_escape_string($enc[0]);
1289                                         $enc_type = db_escape_string($enc[1]);
1290                                         $enc_dur = db_escape_string($enc[2]);
1291
1292                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1293                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1294
1295                                         if (db_num_rows($result) == 0) {
1296                                                 db_query($link, "INSERT INTO ttrss_enclosures
1297                                                         (content_url, content_type, title, duration, post_id) VALUES
1298                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1299                                         }
1300                                 }
1301
1302                                 db_query($link, "COMMIT");
1303
1304                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1305                                         _debug("update_rss_feed: looking for tags...");
1306                                 }
1307
1308                                 /* taaaags */
1309                                 // <a href="..." rel="tag">Xorg</a>, //
1310
1311                                 $entry_tags = null;
1312
1313                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
1314                                         $entry_content_unescaped, $entry_tags);
1315
1316 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1317                                 print_r($entry_tags);
1318                                 print "<br/></p>"; */
1319
1320                                 $entry_tags = $entry_tags[1];
1321
1322                                 # check for manual tags
1323
1324                                 $tag_filter = find_article_filter($article_filters, "tag");
1325
1326                                 if ($tag_filter) {
1327
1328                                         $manual_tags = trim_array(split(",", $tag_filter[1]));
1329
1330                                         foreach ($manual_tags as $tag) {
1331                                                 if (tag_is_valid($tag)) {
1332                                                         array_push($entry_tags, $tag);
1333                                                 }
1334                                         }
1335                                 }
1336
1337                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1338                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1339
1340                                 if ($additional_tags && is_array($additional_tags)) {
1341                                         foreach ($additional_tags as $tag) {
1342                                                 if (tag_is_valid($tag) &&
1343                                                                 array_search($tag, $boring_tags) === FALSE) {
1344                                                         array_push($entry_tags, $tag);
1345                                                 }
1346                                         }
1347                                 }
1348
1349 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1350
1351                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1352                                         print_r($entry_tags);
1353                                 }
1354
1355                                 if (count($entry_tags) > 0) {
1356
1357                                         db_query($link, "BEGIN");
1358
1359                                                 foreach ($entry_tags as $tag) {
1360
1361                                                         $tag = sanitize_tag($tag);
1362                                                         $tag = db_escape_string($tag);
1363
1364                                                         if (!tag_is_valid($tag)) continue;
1365
1366                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
1367                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1368                                                                 owner_uid = '$owner_uid' LIMIT 1");
1369
1370         //                                              print db_fetch_result($result, 0, "id");
1371
1372                                                         if ($result && db_num_rows($result) == 0) {
1373
1374                                                                 db_query($link, "INSERT INTO ttrss_tags
1375                                                                         (owner_uid,tag_name,post_int_id)
1376                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1377                                                         }
1378                                                 }
1379
1380                                         db_query($link, "COMMIT");
1381                                 }
1382
1383                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1384                                         _debug("update_rss_feed: article processed");
1385                                 }
1386                         }
1387
1388                         db_query($link, "UPDATE ttrss_feeds
1389                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1390
1391 //                      db_query($link, "COMMIT");
1392
1393                 } else {
1394
1395                         if ($use_simplepie) {
1396                                 $error_msg = mb_substr($rss->error(), 0, 250);
1397                         } else {
1398                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1399                         }
1400
1401                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1402                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1403                         }
1404
1405                         $error_msg = db_escape_string($error_msg);
1406
1407                         db_query($link,
1408                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1409                                         last_updated = NOW() WHERE id = '$feed'");
1410                 }
1411
1412                 if ($use_simplepie) {
1413                         unset($rss);
1414                 }
1415
1416                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1417                         _debug("update_rss_feed: done");
1418                 }
1419
1420         }
1421
1422         function print_select($id, $default, $values, $attributes = "") {
1423                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1424                 foreach ($values as $v) {
1425                         if ($v == $default)
1426                                 $sel = " selected";
1427                          else
1428                                 $sel = "";
1429
1430                         print "<option$sel>$v</option>";
1431                 }
1432                 print "</select>";
1433         }
1434
1435         function print_select_hash($id, $default, $values, $attributes = "") {
1436                 print "<select name=\"$id\" id='$id' $attributes>";
1437                 foreach (array_keys($values) as $v) {
1438                         if ($v == $default)
1439                                 $sel = "selected";
1440                          else
1441                                 $sel = "";
1442
1443                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1444                 }
1445
1446                 print "</select>";
1447         }
1448
1449         function get_article_filters($filters, $title, $content, $link) {
1450                 $matches = array();
1451
1452                 if ($filters["title"]) {
1453                         foreach ($filters["title"] as $filter) {
1454                                 $reg_exp = $filter["reg_exp"];
1455                                 $inverse = $filter["inverse"];
1456                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
1457                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1458
1459                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1460                                 }
1461                         }
1462                 }
1463
1464                 if ($filters["content"]) {
1465                         foreach ($filters["content"] as $filter) {
1466                                 $reg_exp = $filter["reg_exp"];
1467                                 $inverse = $filter["inverse"];
1468
1469                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
1470                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1471
1472                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1473                                 }
1474                         }
1475                 }
1476
1477                 if ($filters["both"]) {
1478                         foreach ($filters["both"] as $filter) {
1479                                 $reg_exp = $filter["reg_exp"];
1480                                 $inverse = $filter["inverse"];
1481
1482                                 if ($inverse) {
1483                                         if (!preg_match("/$reg_exp/i", $title) || !preg_match("/$reg_exp/i", $content)) {
1484                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1485                                         }
1486                                 } else {
1487                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1488                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1489                                         }
1490                                 }
1491                         }
1492                 }
1493
1494                 if ($filters["link"]) {
1495                         $reg_exp = $filter["reg_exp"];
1496                         foreach ($filters["link"] as $filter) {
1497                                 $reg_exp = $filter["reg_exp"];
1498                                 $inverse = $filter["inverse"];
1499
1500                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1501                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1502
1503                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1504                                 }
1505                         }
1506                 }
1507
1508                 return $matches;
1509         }
1510
1511         function find_article_filter($filters, $filter_name) {
1512                 foreach ($filters as $f) {
1513                         if ($f[0] == $filter_name) {
1514                                 return $f;
1515                         };
1516                 }
1517                 return false;
1518         }
1519
1520         function calculate_article_score($filters) {
1521                 $score = 0;
1522
1523                 foreach ($filters as $f) {
1524                         if ($f[0] == "score") {
1525                                 $score += $f[1];
1526                         };
1527                 }
1528                 return $score;
1529         }
1530
1531
1532         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1533                 $rtl_content = false, $last_updated = false, $last_error = false) {
1534
1535                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1536                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1537                 } else {
1538                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1539                 }
1540
1541                 if ($rtl_content) {
1542                         $rtl_tag = "dir=\"rtl\"";
1543                 } else {
1544                         $rtl_tag = "dir=\"ltr\"";
1545                 }
1546
1547                 $error_notify_msg = "";
1548
1549                 if ($last_error) {
1550                         $link_title = "Error: $last_error ($last_updated)";
1551                         $error_notify_msg = "(Error)";
1552                 } else if ($last_updated) {
1553                         $link_title = "Updated: $last_updated";
1554                 }
1555
1556                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\"
1557                         href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
1558
1559                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1560                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1561                         print "$feed_icon";
1562                 }
1563
1564                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1565
1566                 if ($unread != 0) {
1567                         $fctr_class = "";
1568                 } else {
1569                         $fctr_class = "class=\"invisible\"";
1570                 }
1571
1572                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1573                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1574
1575                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1576                         print "<div class=\"feedExtInfo\">
1577                                 <span id=\"FLUPD-$feed_id\">$last_updated $error_notify_msg</span></div>";
1578                 }
1579
1580                 print "</li>";
1581
1582         }
1583
1584         function getmicrotime() {
1585                 list($usec, $sec) = explode(" ",microtime());
1586                 return ((float)$usec + (float)$sec);
1587         }
1588
1589         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1590                 foreach ($values as $v) {
1591
1592                         if ($v == $default)
1593                                 $sel = "checked";
1594                          else
1595                                 $sel = "";
1596
1597                         if ($v == $true_is) {
1598                                 $sel .= " value=\"1\"";
1599                         } else {
1600                                 $sel .= " value=\"0\"";
1601                         }
1602
1603                         print "<input class=\"noborder\"
1604                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1605
1606                 }
1607         }
1608
1609         function initialize_user_prefs($link, $uid) {
1610
1611                 $uid = db_escape_string($uid);
1612
1613                 db_query($link, "BEGIN");
1614
1615                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1616
1617                 $u_result = db_query($link, "SELECT pref_name
1618                         FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
1619
1620                 $active_prefs = array();
1621
1622                 while ($line = db_fetch_assoc($u_result)) {
1623                         array_push($active_prefs, $line["pref_name"]);
1624                 }
1625
1626                 while ($line = db_fetch_assoc($result)) {
1627                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1628 //                              print "adding " . $line["pref_name"] . "<br>";
1629
1630                                 db_query($link, "INSERT INTO ttrss_user_prefs
1631                                         (owner_uid,pref_name,value) VALUES
1632                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1633
1634                         }
1635                 }
1636
1637                 db_query($link, "COMMIT");
1638
1639         }
1640
1641         function lookup_user_id($link, $user) {
1642
1643                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1644                         login = '$login'");
1645
1646                 if (db_num_rows($result) == 1) {
1647                         return db_fetch_result($result, 0, "id");
1648                 } else {
1649                         return false;
1650                 }
1651         }
1652
1653         function http_authenticate_user($link) {
1654
1655                 error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1656
1657                 if (!$_SERVER["PHP_AUTH_USER"]) {
1658
1659                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1660                         header('HTTP/1.0 401 Unauthorized');
1661                         exit;
1662
1663                 } else {
1664                         $auth_result = authenticate_user($link,
1665                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1666
1667                         if (!$auth_result) {
1668                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1669                                 header('HTTP/1.0 401 Unauthorized');
1670                                 exit;
1671                         }
1672                 }
1673
1674                 return true;
1675         }
1676
1677         function authenticate_user($link, $login, $password, $force_auth = false) {
1678
1679                 if (!SINGLE_USER_MODE) {
1680
1681                         $pwd_hash1 = encrypt_password($password);
1682                         $pwd_hash2 = encrypt_password($password, $login);
1683
1684                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1685                                         && $_SERVER["REMOTE_USER"]) {
1686
1687                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1688
1689                                 $query = "SELECT id,login,access_level
1690                     FROM ttrss_users WHERE
1691                                         login = '$login'";
1692
1693                         } else {
1694                                 $query = "SELECT id,login,access_level,pwd_hash
1695                     FROM ttrss_users WHERE
1696                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1697                                                 pwd_hash = '$pwd_hash2')";
1698                         }
1699
1700                         $result = db_query($link, $query);
1701
1702                         if (db_num_rows($result) == 1) {
1703                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1704                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1705                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1706
1707                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1708                                         $_SESSION["uid"]);
1709
1710                                 $user_theme = get_user_theme_path($link);
1711
1712                                 $_SESSION["theme"] = $user_theme;
1713                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1714                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1715
1716                                 initialize_user_prefs($link, $_SESSION["uid"]);
1717
1718                                 return true;
1719                         }
1720
1721                         return false;
1722
1723                 } else {
1724
1725                         $_SESSION["uid"] = 1;
1726                         $_SESSION["name"] = "admin";
1727
1728                         $user_theme = get_user_theme_path($link);
1729
1730                         $_SESSION["theme"] = $user_theme;
1731                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1732
1733                         initialize_user_prefs($link, $_SESSION["uid"]);
1734
1735                         return true;
1736                 }
1737         }
1738
1739         function make_password($length = 8) {
1740
1741                 $password = "";
1742                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1743
1744         $i = 0;
1745
1746                 while ($i < $length) {
1747                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1748
1749                         if (!strstr($password, $char)) {
1750                                 $password .= $char;
1751                                 $i++;
1752                         }
1753                 }
1754                 return $password;
1755         }
1756
1757         // this is called after user is created to initialize default feeds, labels
1758         // or whatever else
1759
1760         // user preferences are checked on every login, not here
1761
1762         function initialize_user($link, $uid) {
1763
1764                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1765                         values ('$uid','unread = true', 'Unread articles')");
1766
1767                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1768                         values ('$uid','last_read is null and unread = false', 'Updated articles')");
1769
1770                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1771                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1772                         'http://tt-rss.spb.ru/releases.rss')");
1773
1774                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1775                         values ('$uid', 'Tiny Tiny RSS: Forum',
1776                         'http://tt-rss.spb.ru/forum/rss.php')");
1777         }
1778
1779         function logout_user() {
1780                 session_destroy();
1781                 if (isset($_COOKIE[session_name()])) {
1782                    setcookie(session_name(), '', time()-42000, '/');
1783                 }
1784         }
1785
1786         function get_script_urlpath() {
1787                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1788         }
1789
1790         function validate_session($link) {
1791                 if (SINGLE_USER_MODE) {
1792                         return true;
1793                 }
1794
1795                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1796                         if ($_SESSION["ip_address"]) {
1797                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1798                                         $_SESSION["login_error_msg"] = "Session failed to validate (incorrect IP)";
1799                                         return false;
1800                                 }
1801                         }
1802                 }
1803
1804                 if ($_SESSION["uid"]) {
1805
1806                         $result = db_query($link,
1807                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1808
1809                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1810
1811                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1812                                 return false;
1813                         }
1814                 }
1815
1816 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1817
1818                         //print_r($_SESSION);
1819
1820                         if (time() > $_SESSION["cookie_lifetime"]) {
1821                                 return false;
1822                         }
1823                 } */
1824
1825                 return true;
1826         }
1827
1828         function login_sequence($link, $mobile = false) {
1829                 if (!SINGLE_USER_MODE) {
1830
1831                         if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1832                                 $swu = db_escape_string($_REQUEST["swu"]);
1833                                 if ($swu) {
1834                                         $_SESSION["prefs_cache"] = false;
1835                                         return authenticate_user($link, $swu, null, true);
1836                                 }
1837                         }
1838
1839                         $login_action = $_POST["login_action"];
1840
1841                         # try to authenticate user if called from login form
1842                         if ($login_action == "do_login") {
1843                                 $login = $_POST["login"];
1844                                 $password = $_POST["password"];
1845                                 $remember_me = $_POST["remember_me"];
1846
1847                                 if (authenticate_user($link, $login, $password)) {
1848                                         $_POST["password"] = "";
1849
1850                                         $_SESSION["language"] = $_POST["language"];
1851
1852                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1853                                         exit;
1854
1855                                         return;
1856                                 } else {
1857                                         $_SESSION["login_error_msg"] = "Incorrect username or password";
1858                                 }
1859                         }
1860
1861 //                      print session_id();
1862 //                      print_r($_SESSION);
1863
1864                         if (!$_SESSION["uid"] || !validate_session($link)) {
1865                                 render_login_form($link, $mobile);
1866                                 exit;
1867                         } else {
1868                                 /* bump login timestamp */
1869                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1870                                         $_SESSION["uid"]);
1871
1872                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1873                                         setcookie("ttrss_lang", $_SESSION["language"],
1874                                                 time() + SESSION_COOKIE_LIFETIME);
1875                                 }
1876                         }
1877
1878                 } else {
1879                         return authenticate_user($link, "admin", null);
1880                 }
1881         }
1882
1883         function truncate_string($str, $max_len) {
1884                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1885                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
1886                 } else {
1887                         return $str;
1888                 }
1889         }
1890
1891         function get_user_theme_path($link) {
1892                 $result = db_query($link, "SELECT theme_path
1893                         FROM
1894                                 ttrss_themes,ttrss_users
1895                         WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1896                 if (db_num_rows($result) != 0) {
1897                         return db_fetch_result($result, 0, "theme_path");
1898                 } else {
1899                         return null;
1900                 }
1901         }
1902
1903         function smart_date_time($timestamp) {
1904                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1905                         return date("G:i", $timestamp);
1906                 } else if (date("Y", $timestamp) == date("Y")) {
1907                         return date("M d, G:i", $timestamp);
1908                 } else {
1909                         return date("Y/m/d, G:i", $timestamp);
1910                 }
1911         }
1912
1913         function smart_date($timestamp) {
1914                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1915                         return "Today";
1916                 } else if (date("Y", $timestamp) == date("Y")) {
1917                         return date("D m", $timestamp);
1918                 } else {
1919                         return date("Y/m/d", $timestamp);
1920                 }
1921         }
1922
1923         function sql_bool_to_string($s) {
1924                 if ($s == "t" || $s == "1") {
1925                         return "true";
1926                 } else {
1927                         return "false";
1928                 }
1929         }
1930
1931         function sql_bool_to_bool($s) {
1932                 if ($s == "t" || $s == "1") {
1933                         return true;
1934                 } else {
1935                         return false;
1936                 }
1937         }
1938
1939
1940         function toggleEvenOdd($a) {
1941                 if ($a == "even")
1942                         return "odd";
1943                 else
1944                         return "even";
1945         }
1946
1947         function sanity_check($link) {
1948
1949                 error_reporting(0);
1950
1951                 $error_code = 0;
1952                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
1953                 $schema_version = db_fetch_result($result, 0, "schema_version");
1954
1955                 if ($schema_version != SCHEMA_VERSION) {
1956                         $error_code = 5;
1957                 }
1958
1959                 if (DB_TYPE == "mysql") {
1960                         $result = db_query($link, "SELECT true", false);
1961                         if (db_num_rows($result) != 1) {
1962                                 $error_code = 10;
1963                         }
1964                 }
1965
1966                 error_reporting (DEFAULT_ERROR_LEVEL);
1967
1968                 if ($error_code != 0) {
1969                         print_error_xml($error_code);
1970                         return false;
1971                 } else {
1972                         return true;
1973                 }
1974         }
1975
1976         function file_is_locked($filename) {
1977                 if (function_exists('flock')) {
1978                         error_reporting(0);
1979                         $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
1980                         error_reporting(DEFAULT_ERROR_LEVEL);
1981                         if ($fp) {
1982                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1983                                         flock($fp, LOCK_UN);
1984                                         fclose($fp);
1985                                         return false;
1986                                 }
1987                                 fclose($fp);
1988                                 return true;
1989                         } else {
1990                                 return false;
1991                         }
1992                 }
1993                 return true; // consider the file always locked and skip the test
1994         }
1995
1996         function make_lockfile($filename) {
1997                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1998
1999                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2000                         return $fp;
2001                 } else {
2002                         return false;
2003                 }
2004         }
2005
2006         function make_stampfile($filename) {
2007                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2008
2009                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2010                         fwrite($fp, time() . "\n");
2011                         flock($fp, LOCK_UN);
2012                         fclose($fp);
2013                         return true;
2014                 } else {
2015                         return false;
2016                 }
2017         }
2018
2019         function read_stampfile($filename) {
2020
2021                 error_reporting(0);
2022                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2023                 error_reporting (DEFAULT_ERROR_LEVEL);
2024
2025                 if ($fp) {
2026                         if (flock($fp, LOCK_EX)) {
2027                                 $stamp = fgets($fp);
2028                                 flock($fp, LOCK_UN);
2029                                 fclose($fp);
2030                                 return $stamp;
2031                         } else {
2032                                 return false;
2033                         }
2034                 } else {
2035                         return false;
2036                 }
2037         }
2038
2039         function sql_random_function() {
2040                 if (DB_TYPE == "mysql") {
2041                         return "RAND()";
2042                 } else {
2043                         return "RANDOM()";
2044                 }
2045         }
2046
2047         function catchup_feed($link, $feed, $cat_view) {
2048
2049                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2050
2051                                 if ($cat_view) {
2052
2053                                         if ($feed > 0) {
2054                                                 $cat_qpart = "cat_id = '$feed'";
2055                                         } else {
2056                                                 $cat_qpart = "cat_id IS NULL";
2057                                         }
2058
2059                                         $tmp_result = db_query($link, "SELECT id
2060                                                 FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " .
2061                                                 $_SESSION["uid"]);
2062
2063                                         while ($tmp_line = db_fetch_assoc($tmp_result)) {
2064
2065                                                 $tmp_feed = $tmp_line["id"];
2066
2067                                                 db_query($link, "UPDATE ttrss_user_entries
2068                                                         SET unread = false,last_read = NOW()
2069                                                         WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
2070                                         }
2071
2072                                 } else if ($feed > 0) {
2073
2074                                         $tmp_result = db_query($link, "SELECT id
2075                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2076                                                 ORDER BY cat_id,title");
2077
2078                                         $parent_ids = array();
2079
2080                                         if (db_num_rows($tmp_result) > 0) {
2081                                                 while ($p = db_fetch_assoc($tmp_result)) {
2082                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2083                                                 }
2084
2085                                                 $children_qpart = implode(" OR ", $parent_ids);
2086
2087                                                 db_query($link, "UPDATE ttrss_user_entries
2088                                                         SET unread = false,last_read = NOW()
2089                                                         WHERE (feed_id = '$feed' OR $children_qpart)
2090                                                         AND owner_uid = " . $_SESSION["uid"]);
2091
2092                                         } else {
2093                                                 db_query($link, "UPDATE ttrss_user_entries
2094                                                         SET unread = false,last_read = NOW()
2095                                                         WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
2096                                         }
2097
2098                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2099
2100                                         if ($feed == -1) {
2101                                                 db_query($link, "UPDATE ttrss_user_entries
2102                                                         SET unread = false,last_read = NOW()
2103                                                         WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
2104                                         }
2105
2106                                         if ($feed == -2) {
2107                                                 db_query($link, "UPDATE ttrss_user_entries
2108                                                         SET unread = false,last_read = NOW()
2109                                                         WHERE published = true AND owner_uid = ".$_SESSION["uid"]);
2110                                         }
2111
2112                                         if ($feed == -3) {
2113
2114                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2115
2116                                                 if (DB_TYPE == "pgsql") {
2117                                                         $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
2118                                                 } else {
2119                                                         $match_part = "date_entered > DATE_SUB(NOW(),
2120                                                                 INTERVAL $intl HOUR) ";
2121                                                 }
2122
2123                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2124                                                         ttrss_user_entries WHERE $match_part AND
2125                                                         unread = true AND
2126                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2127                                                         owner_uid = ".$_SESSION["uid"]);
2128
2129                                                 $affected_ids = array();
2130
2131                                                 while ($line = db_fetch_assoc($result)) {
2132                                                         array_push($affected_ids, $line["id"]);
2133                                                 }
2134
2135                                                 catchupArticlesById($link, $affected_ids, 0);
2136                                         }
2137
2138                                 } else if ($feed < -10) { // label
2139
2140                                         // TODO make this more efficient
2141
2142                                         $label_id = -$feed - 11;
2143
2144                                         $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
2145                                                 WHERE id = '$label_id'");
2146
2147                                         if ($tmp_result) {
2148                                                 $sql_exp = db_fetch_result($tmp_result, 0, "sql_exp");
2149
2150                                                 db_query($link, "BEGIN");
2151
2152                                                 $tmp2_result = db_query($link,
2153                                                         "SELECT
2154                                                                 int_id
2155                                                         FROM
2156                                                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
2157                                                         WHERE
2158                                                                 ref_id = ttrss_entries.id AND
2159                                                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2160                                                                 $sql_exp AND
2161                                                                 ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
2162
2163                                                 while ($tmp_line = db_fetch_assoc($tmp2_result)) {
2164                                                         db_query($link, "UPDATE
2165                                                                 ttrss_user_entries
2166                                                         SET
2167                                                                 unread = false, last_read = NOW()
2168                                                         WHERE
2169                                                                 int_id = " . $tmp_line["int_id"]);
2170                                                 }
2171
2172                                                 db_query($link, "COMMIT");
2173
2174 /*                                              db_query($link, "UPDATE ttrss_user_entries,ttrss_entries
2175                                                         SET unread = false,last_read = NOW()
2176                                                         WHERE $sql_exp
2177                                                         AND ref_id = id
2178                                                         AND owner_uid = ".$_SESSION["uid"]); */
2179                                         }
2180                                 }
2181                         } else { // tag
2182                                 db_query($link, "BEGIN");
2183
2184                                 $tag_name = db_escape_string($feed);
2185
2186                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2187                                         WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
2188
2189                                 while ($line = db_fetch_assoc($result)) {
2190                                         db_query($link, "UPDATE ttrss_user_entries SET
2191                                                 unread = false, last_read = NOW()
2192                                                 WHERE int_id = " . $line["post_int_id"]);
2193                                 }
2194                                 db_query($link, "COMMIT");
2195                         }
2196         }
2197
2198         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2199                         if ($cat_view) {
2200
2201                                 if ($feed > 0) {
2202                                         $cat_qpart = "cat_id = '$feed'";
2203                                 } else {
2204                                         $cat_qpart = "cat_id IS NULL";
2205                                 }
2206
2207                                 $tmp_result = db_query($link, "SELECT id,feed_url FROM ttrss_feeds
2208                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2209
2210                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2211                                         $feed_url = $tmp_line["feed_url"];
2212                                         $feed_id = $tmp_line["id"];
2213                                         update_rss_feed($link, $feed_url, $feed_id, $force_update);
2214                                 }
2215
2216                         } else {
2217                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
2218                                         WHERE id = '$feed'");
2219                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
2220                                 update_rss_feed($link, $feed_url, $feed, $force_update);
2221                         }
2222         }
2223
2224         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2225 /*              getLabelCounters($link);
2226                 getFeedCounters($link);
2227                 getTagCounters($link);
2228                 getGlobalCounters($link);
2229                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
2230                         getCategoryCounters($link);
2231                 } */
2232
2233                 if (!$omode) $omode = "flc";
2234
2235                 getGlobalCounters($link);
2236
2237                 if (strchr($omode, "l")) getLabelCounters($link);
2238                 if (strchr($omode, "f")) getFeedCounters($link, SMART_RPC_COUNTERS, $active_feed);
2239                 if (strchr($omode, "t")) getTagCounters($link);
2240                 if (strchr($omode, "c")) {
2241                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2242                                 getCategoryCounters($link);
2243                         }
2244                 }
2245         }
2246
2247         function getCategoryCounters($link) {
2248                 # two special categories are -1 and -2 (all virtuals; all labels)
2249
2250                 $ctr = getCategoryUnread($link, -1);
2251
2252                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>";
2253
2254                 $ctr = getCategoryUnread($link, -2);
2255
2256                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
2257
2258                 $age_qpart = getMaxAgeSubquery();
2259
2260                 $result = db_query($link, "SELECT cat_id,SUM((SELECT COUNT(int_id)
2261                                 FROM ttrss_user_entries, ttrss_entries WHERE feed_id = ttrss_feeds.id
2262                                         AND id = ref_id AND $age_qpart
2263                                         AND unread = true)) AS unread FROM ttrss_feeds
2264                         WHERE
2265                                 hidden = false AND owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
2266
2267                 while ($line = db_fetch_assoc($result)) {
2268                         $line["cat_id"] = sprintf("%d", $line["cat_id"]);
2269                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
2270                                 $line["unread"]."\"/>";
2271                 }
2272         }
2273
2274         function getCategoryUnread($link, $cat) {
2275
2276                 if ($cat >= 0) {
2277
2278                         if ($cat != 0) {
2279                                 $cat_query = "cat_id = '$cat'";
2280                         } else {
2281                                 $cat_query = "cat_id IS NULL";
2282                         }
2283
2284                         $age_qpart = getMaxAgeSubquery();
2285
2286                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2287                                         AND hidden = false
2288                                         AND owner_uid = " . $_SESSION["uid"]);
2289
2290                         $cat_feeds = array();
2291                         while ($line = db_fetch_assoc($result)) {
2292                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2293                         }
2294
2295                         if (count($cat_feeds) == 0) return 0;
2296
2297                         $match_part = implode(" OR ", $cat_feeds);
2298
2299                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2300                                 FROM ttrss_user_entries,ttrss_entries
2301                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2302                                 AND $age_qpart AND owner_uid = " . $_SESSION["uid"]);
2303
2304                         $unread = 0;
2305
2306                         # this needs to be rewritten
2307                         while ($line = db_fetch_assoc($result)) {
2308                                 $unread += $line["unread"];
2309                         }
2310
2311                         return $unread;
2312                 } else if ($cat == -1) {
2313                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3);
2314                 } else if ($cat == -2) {
2315
2316                         $rv = getLabelCounters($link, false, true);
2317                         $ctr = 0;
2318
2319                         foreach (array_keys($rv) as $k) {
2320                                 if ($k < -10) {
2321                                         $ctr += $rv[$k]["counter"];
2322                                 }
2323                         }
2324
2325                         return $ctr;
2326                 }
2327         }
2328
2329         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2330                 if (DB_TYPE == "pgsql") {
2331                         return "ttrss_entries.date_entered >
2332                                 NOW() - INTERVAL '$days days'";
2333                 } else {
2334                         return "ttrss_entries.date_entered >
2335                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2336                 }
2337         }
2338
2339         function getFeedUnread($link, $feed, $is_cat = false) {
2340                 $n_feed = sprintf("%d", $feed);
2341
2342                 $age_qpart = getMaxAgeSubquery();
2343
2344                 if ($is_cat) {
2345                         return getCategoryUnread($link, $n_feed);
2346                 } else if ($n_feed == -1) {
2347                         $match_part = "marked = true";
2348                 } else if ($n_feed == -2) {
2349                         $match_part = "published = true";
2350                 } else if ($n_feed == -3) {
2351                         $match_part = "unread = true";
2352
2353                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2354
2355                         if (DB_TYPE == "pgsql") {
2356                                 $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2357                         } else {
2358                                 $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2359                         }
2360
2361                 } else if ($n_feed > 0) {
2362
2363                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2364                                         WHERE parent_feed = '$n_feed'
2365                                         AND hidden = false
2366                                         AND owner_uid = " . $_SESSION["uid"]);
2367
2368                         if (db_num_rows($result) > 0) {
2369
2370                                 $linked_feeds = array();
2371                                 while ($line = db_fetch_assoc($result)) {
2372                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2373                                 }
2374
2375                                 array_push($linked_feeds, "feed_id = $n_feed");
2376
2377                                 $match_part = implode(" OR ", $linked_feeds);
2378
2379                                 $result = db_query($link, "SELECT COUNT(int_id) AS unread
2380                                         FROM ttrss_user_entries,ttrss_entries
2381                                         WHERE   unread = true AND
2382                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2383                                         $age_qpart AND
2384                                         ($match_part) AND
2385                                         owner_uid = " . $_SESSION["uid"]);
2386
2387                                 $unread = 0;
2388
2389                                 # this needs to be rewritten
2390                                 while ($line = db_fetch_assoc($result)) {
2391                                         $unread += $line["unread"];
2392                                 }
2393
2394                                 return $unread;
2395
2396                         } else {
2397                                 $match_part = "feed_id = '$n_feed'";
2398                         }
2399                 } else if ($feed < -10) {
2400
2401                         $label_id = -$feed - 11;
2402
2403                         $result = db_query($link, "SELECT sql_exp FROM ttrss_labels WHERE
2404                                 id = '$label_id' AND owner_uid = " . $_SESSION["uid"]);
2405
2406                         $match_part = db_fetch_result($result, 0, "sql_exp");
2407                 }
2408
2409                 if ($match_part) {
2410
2411                         $result = db_query($link, "SELECT count(int_id) AS unread
2412                                 FROM ttrss_user_entries,ttrss_feeds,ttrss_entries WHERE
2413                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2414                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2415                                 ttrss_feeds.hidden = false AND
2416                                 $age_qpart AND
2417                                 unread = true AND ($match_part) AND ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
2418
2419                 } else {
2420
2421                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2422                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2423                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2424                                 AND unread = true AND $age_qpart AND
2425                                         ttrss_tags.owner_uid = " . $_SESSION["uid"]);
2426                 }
2427
2428                 $unread = db_fetch_result($result, 0, "unread");
2429
2430                 return $unread;
2431         }
2432
2433         /* FIXME this needs reworking */
2434
2435         function getGlobalUnread($link, $user_id = false) {
2436
2437                 if (!$user_id) {
2438                         $user_id = $_SESSION["uid"];
2439                 }
2440
2441                 $age_qpart = getMaxAgeSubquery();
2442
2443                 $result = db_query($link, "SELECT count(ttrss_entries.id) as c_id FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2444                         WHERE unread = true AND
2445                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
2446                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2447                         hidden = false AND
2448                         $age_qpart AND
2449                         ttrss_user_entries.owner_uid = '$user_id'");
2450                 $c_id = db_fetch_result($result, 0, "c_id");
2451                 return $c_id;
2452         }
2453
2454         function getGlobalCounters($link, $global_unread = -1) {
2455                 if ($global_unread == -1) {
2456                         $global_unread = getGlobalUnread($link);
2457                 }
2458                 print "<counter type=\"global\" id='global-unread'
2459                         counter='$global_unread'/>";
2460
2461                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2462                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2463
2464                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2465
2466                 print "<counter type=\"global\" id='subscribed-feeds'
2467                         counter='$subscribed_feeds'/>";
2468
2469         }
2470
2471         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
2472
2473                 if ($smart_mode) {
2474                         if (!$_SESSION["tctr_last_value"]) {
2475                                 $_SESSION["tctr_last_value"] = array();
2476                         }
2477                 }
2478
2479                 $old_counters = $_SESSION["tctr_last_value"];
2480
2481                 $tctrs_modified = false;
2482
2483 /*              $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
2484                         FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
2485                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2486                         ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
2487                         post_int_id = ttrss_user_entries.int_id AND unread = true GROUP BY tag_name
2488                 UNION
2489                         select tag_name,0 as count FROM ttrss_tags
2490                         WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]); */
2491
2492                 $age_qpart = getMaxAgeSubquery();
2493
2494                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2495                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2496                                 AND ref_id = id AND $age_qpart
2497                                 AND unread = true)) AS count FROM ttrss_tags
2498                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2499                                 ORDER BY count DESC LIMIT 55");
2500
2501                 $tags = array();
2502
2503                 while ($line = db_fetch_assoc($result)) {
2504                         $tags[$line["tag_name"]] += $line["count"];
2505                 }
2506
2507                 foreach (array_keys($tags) as $tag) {
2508                         $unread = $tags[$tag];
2509
2510                         $tag = htmlspecialchars($tag);
2511
2512                         if (!$smart_mode || $old_counters[$tag] != $unread) {
2513                                 $old_counters[$tag] = $unread;
2514                                 $tctrs_modified = true;
2515                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2516                         }
2517
2518                 }
2519
2520                 if ($smart_mode && $tctrs_modified) {
2521                         $_SESSION["tctr_last_value"] = $old_counters;
2522                 }
2523
2524         }
2525
2526         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2527
2528                 $age_qpart = getMaxAgeSubquery();
2529
2530                 if ($smart_mode) {
2531                         if (!$_SESSION["lctr_last_value"]) {
2532                                 $_SESSION["lctr_last_value"] = array();
2533                         }
2534                 }
2535
2536                 $ret_arr = array();
2537
2538                 $old_counters = $_SESSION["lctr_last_value"];
2539                 $lctrs_modified = false;
2540
2541                 $count = getFeedUnread($link, -1);
2542
2543                 if (!$ret_mode) {
2544                         print "<counter type=\"label\" id=\"-1\" counter=\"$count\"/>";
2545                 } else {
2546                         $ret_arr["-1"]["counter"] = $count;
2547                         $ret_arr["-1"]["description"] = __("Starred articles");
2548                 }
2549
2550                 $count = getFeedUnread($link, -2);
2551
2552                 if (!$ret_mode) {
2553                         print "<counter type=\"label\" id=\"-2\" counter=\"$count\"/>";
2554                 } else {
2555                         $ret_arr["-2"]["counter"] = $count;
2556                         $ret_arr["-2"]["description"] = __("Published articles");
2557                 }
2558
2559                 $count = getFeedUnread($link, -3);
2560
2561                 if (!$ret_mode) {
2562                         print "<counter type=\"label\" id=\"-3\" counter=\"$count\"/>";
2563                 } else {
2564                         $ret_arr["-3"]["counter"] = $count;
2565                         $ret_arr["-3"]["description"] = __("Fresh articles");
2566                 }
2567
2568
2569                 $result = db_query($link, "SELECT owner_uid,id,sql_exp,description FROM
2570                         ttrss_labels WHERE owner_uid = ".$_SESSION["uid"]." ORDER by description");
2571
2572                 while ($line = db_fetch_assoc($result)) {
2573
2574                         $id = -$line["id"] - 11;
2575
2576                         $label_name = $line["description"];
2577
2578                         error_reporting (0);
2579
2580                         $tmp_result = db_query($link, "SELECT count(ttrss_entries.id) as count FROM ttrss_user_entries,ttrss_entries,ttrss_feeds
2581                                 WHERE (" . $line["sql_exp"] . ") AND unread = true AND
2582                                 ttrss_feeds.hidden = false AND
2583                                 $age_qpart AND
2584                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2585                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2586                                 ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
2587
2588                         $count = db_fetch_result($tmp_result, 0, "count");
2589
2590                         if (!$smart_mode || $old_counters[$id] != $count) {
2591                                 $old_counters[$id] = $count;
2592                                 $lctrs_modified = true;
2593                                 if (!$ret_mode) {
2594                                         print "<counter type=\"label\" id=\"$id\" counter=\"$count\"/>";
2595                                 } else {
2596                                         $ret_arr[$id]["counter"] = $count;
2597                                         $ret_arr[$id]["description"] = $label_name;
2598                                 }
2599                         }
2600
2601                         error_reporting (DEFAULT_ERROR_LEVEL);
2602                 }
2603
2604                 if ($smart_mode && $lctrs_modified) {
2605                         $_SESSION["lctr_last_value"] = $old_counters;
2606                 }
2607
2608                 return $ret_arr;
2609         }
2610
2611 /*      function getFeedCounter($link, $id) {
2612
2613                 $result = db_query($link, "SELECT
2614                                 count(id) as count,last_error
2615                         FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2616                         WHERE feed_id = '$id' AND unread = true
2617                         AND ttrss_user_entries.feed_id = ttrss_feeds.id
2618                         AND ttrss_user_entries.ref_id = ttrss_entries.id");
2619
2620                         $count = db_fetch_result($result, 0, "count");
2621                         $last_error = htmlspecialchars(db_fetch_result($result, 0, "last_error"));
2622
2623                         print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" error=\"$last_error\"/>";
2624         } */
2625
2626         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS, $active_feed = false) {
2627
2628                 $age_qpart = getMaxAgeSubquery();
2629
2630                 if ($smart_mode) {
2631                         if (!$_SESSION["fctr_last_value"]) {
2632                                 $_SESSION["fctr_last_value"] = array();
2633                         }
2634                 }
2635
2636                 $old_counters = $_SESSION["fctr_last_value"];
2637
2638 /*              $result = db_query($link, "SELECT id,last_error,parent_feed,
2639                         ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated,
2640                         (SELECT count(id)
2641                                 FROM ttrss_entries,ttrss_user_entries
2642                                 WHERE feed_id = ttrss_feeds.id AND
2643                                         ttrss_user_entries.ref_id = ttrss_entries.id
2644                                 AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
2645                         FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"] . "
2646                         AND parent_feed IS NULL"); */
2647
2648                 $query = "SELECT ttrss_feeds.id,
2649                                 ttrss_feeds.title,
2650                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2651                                 last_error,
2652                                 COUNT(ttrss_entries.id) AS count
2653                         FROM ttrss_feeds
2654                                 LEFT JOIN ttrss_user_entries ON (ttrss_user_entries.feed_id = ttrss_feeds.id
2655                                         AND ttrss_user_entries.owner_uid = ttrss_feeds.owner_uid
2656                                         AND ttrss_user_entries.unread = true)
2657                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id AND
2658                                         $age_qpart)
2659                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2660                                 AND parent_feed IS NULL
2661                         GROUP BY ttrss_feeds.id, ttrss_feeds.title, ttrss_feeds.last_updated, last_error";
2662
2663                 $result = db_query($link, $query);
2664                 $fctrs_modified = false;
2665
2666                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2667
2668                 while ($line = db_fetch_assoc($result)) {
2669
2670                         $id = $line["id"];
2671                         $count = $line["count"];
2672                         $last_error = htmlspecialchars($line["last_error"]);
2673
2674                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2675                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2676                         } else {
2677                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2678                         }
2679
2680                         $last_updated = htmlspecialchars($last_updated);
2681
2682                         $has_img = is_file(ICONS_DIR . "/$id.ico");
2683
2684                         $tmp_result = db_query($link,
2685                                 "SELECT ttrss_feeds.id,COUNT(unread) AS unread
2686                                 FROM ttrss_feeds LEFT JOIN ttrss_user_entries
2687                                         ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
2688                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id)
2689                                 WHERE parent_feed = '$id' AND $age_qpart AND unread = true GROUP BY ttrss_feeds.id");
2690
2691                         if (db_num_rows($tmp_result) > 0) {
2692                                 while ($l = db_fetch_assoc($tmp_result)) {
2693                                         $count += $l["unread"];
2694                                 }
2695                         }
2696
2697                         if (!$smart_mode || $old_counters[$id] != $count) {
2698                                 $old_counters[$id] = $count;
2699                                 $fctrs_modified = true;
2700
2701                                 if ($last_error) {
2702                                         $error_part = "error=\"$last_error\"";
2703                                 } else {
2704                                         $error_part = "";
2705                                 }
2706
2707                                 if ($has_img) {
2708                                         $has_img_part = "hi=\"$has_img\"";
2709                                 } else {
2710                                         $has_img_part = "";
2711                                 }
2712
2713                                 if ($active_feed && $id == $active_feed) {
2714                                         $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2715                                 } else {
2716                                         $has_title_part = "";
2717                                 }
2718
2719                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $has_title_part/>";
2720                         }
2721                 }
2722
2723                 if ($smart_mode && $fctrs_modified) {
2724                         $_SESSION["fctr_last_value"] = $old_counters;
2725                 }
2726         }
2727
2728         function get_script_dt_add() {
2729                 if (strpos(VERSION, ".99") === false) {
2730                         return VERSION;
2731                 } else {
2732                         return time();
2733                 }
2734         }
2735
2736         function get_pgsql_version($link) {
2737                 $result = db_query($link, "SELECT version() AS version");
2738                 $version = split(" ", db_fetch_result($result, 0, "version"));
2739                 return $version[1];
2740         }
2741
2742         function print_error_xml($code, $add_msg = "") {
2743                 global $ERRORS;
2744
2745                 $error_msg = $ERRORS[$code];
2746
2747                 if ($add_msg) {
2748                         $error_msg = "$error_msg; $add_msg";
2749                 }
2750
2751                 print "<rpc-reply>";
2752                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2753                 print "</rpc-reply>";
2754         }
2755
2756         function subscribe_to_feed($link, $feed_link, $cat_id = 0,
2757                         $auth_login = '', $auth_pass = '') {
2758
2759                 # check for feed:http://url
2760                 $feed_link = trim(preg_replace("/^feed:/", "", $feed_link));
2761
2762                 # check for feed://URL
2763                 if (strpos($feed_link, "//") === 0) {
2764                         $feed_link = "http:$feed_link";
2765                 }
2766
2767                 if ($feed_link == "") return;
2768
2769                 if ($cat_id == "0" || !$cat_id) {
2770                         $cat_qpart = "NULL";
2771                 } else {
2772                         $cat_qpart = "'$cat_id'";
2773                 }
2774
2775                 $result = db_query($link,
2776                         "SELECT id FROM ttrss_feeds
2777                         WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
2778
2779                 if (db_num_rows($result) == 0) {
2780
2781                         $result = db_query($link,
2782                                 "INSERT INTO ttrss_feeds
2783                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2784                                 VALUES ('".$_SESSION["uid"]."', '$feed_link',
2785                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2786
2787                         $result = db_query($link,
2788                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link'
2789                                         AND owner_uid = " . $_SESSION["uid"]);
2790
2791                         $feed_id = db_fetch_result($result, 0, "id");
2792
2793                         if ($feed_id) {
2794                                 update_rss_feed($link, $feed_link, $feed_id, true);
2795                         }
2796
2797                         return true;
2798                 } else {
2799                         return false;
2800                 }
2801         }
2802
2803         function print_feed_select($link, $id, $default_id = "",
2804                 $attributes = "", $include_all_feeds = true) {
2805
2806                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2807                 if ($include_all_feeds) {
2808                         print "<option value=\"0\">".__('All feeds')."</option>";
2809                 }
2810
2811                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2812                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2813
2814                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2815                         print "<option disabled>--------</option>";
2816                 }
2817
2818                 while ($line = db_fetch_assoc($result)) {
2819                         if ($line["id"] == $default_id) {
2820                                 $is_selected = "selected";
2821                         } else {
2822                                 $is_selected = "";
2823                         }
2824                         printf("<option $is_selected value='%d'>%s</option>",
2825                                 $line["id"], htmlspecialchars($line["title"]));
2826                 }
2827
2828                 print "</select>";
2829         }
2830
2831         function print_feed_cat_select($link, $id, $default_id = "",
2832                 $attributes = "", $include_all_cats = true) {
2833
2834                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2835
2836                 if ($include_all_cats) {
2837                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2838                 }
2839
2840                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2841                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2842
2843                 if (db_num_rows($result) > 0 && $include_all_cats) {
2844                         print "<option disabled>--------</option>";
2845                 }
2846
2847                 while ($line = db_fetch_assoc($result)) {
2848                         if ($line["id"] == $default_id) {
2849                                 $is_selected = "selected";
2850                         } else {
2851                                 $is_selected = "";
2852                         }
2853                         printf("<option $is_selected value='%d'>%s</option>",
2854                                 $line["id"], htmlspecialchars($line["title"]));
2855                 }
2856
2857                 print "</select>";
2858         }
2859
2860         function checkbox_to_sql_bool($val) {
2861                 return ($val == "on") ? "true" : "false";
2862         }
2863
2864         function getFeedCatTitle($link, $id) {
2865                 if ($id == -1) {
2866                         return __("Special");
2867                 } else if ($id < -10) {
2868                         return __("Labels");
2869                 } else if ($id > 0) {
2870                         $result = db_query($link, "SELECT ttrss_feed_categories.title
2871                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2872                                         cat_id = ttrss_feed_categories.id");
2873                         if (db_num_rows($result) == 1) {
2874                                 return db_fetch_result($result, 0, "title");
2875                         } else {
2876                                 return __("Uncategorized");
2877                         }
2878                 } else {
2879                         return "getFeedCatTitle($id) failed";
2880                 }
2881
2882         }
2883
2884         function getFeedTitle($link, $id) {
2885                 if ($id == -1) {
2886                         return __("Starred articles");
2887                 } else if ($id == -2) {
2888                         return __("Published articles");
2889                 } else if ($id == -3) {
2890                         return __("Fresh articles");
2891                 } else if ($id < -10) {
2892                         $label_id = -10 - $id;
2893                         $result = db_query($link, "SELECT description FROM ttrss_labels WHERE id = '$label_id'");
2894                         if (db_num_rows($result) == 1) {
2895                                 return db_fetch_result($result, 0, "description");
2896                         } else {
2897                                 return "Unknown label ($label_id)";
2898                         }
2899
2900                 } else if ($id > 0) {
2901                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2902                         if (db_num_rows($result) == 1) {
2903                                 return db_fetch_result($result, 0, "title");
2904                         } else {
2905                                 return "Unknown feed ($id)";
2906                         }
2907                 } else {
2908                         return "getFeedTitle($id) failed";
2909                 }
2910
2911         }
2912
2913         function get_session_cookie_name() {
2914                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
2915         }
2916
2917         function print_init_params($link) {
2918                 print "<init-params>";
2919                 if ($_SESSION["stored-params"]) {
2920                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
2921                                 if ($key) {
2922                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
2923                                         print "<param key=\"$key\" value=\"$value\"/>";
2924                                 }
2925                         }
2926                 }
2927
2928                 print "<param key=\"theme\" value=\"".$_SESSION["theme"]."\"/>";
2929                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
2930                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
2931                 print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
2932
2933                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
2934                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
2935
2936                 print "<param key=\"hide_read_feeds\" value=\"" .
2937                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
2938
2939                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
2940                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
2941
2942                 print "<param key=\"confirm_feed_catchup\" value=\"" .
2943                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
2944
2945                 print "<param key=\"cdm_auto_catchup\" value=\"" .
2946                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
2947
2948                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
2949
2950                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
2951
2952                 print "<param key=\"default_view_mode\" value=\"" .
2953                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
2954
2955                 print "<param key=\"default_view_limit\" value=\"" .
2956                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
2957
2958                 print "<param key=\"prefs_active_tab\" value=\"" .
2959                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
2960
2961                 print "<param key=\"infobox_disable_overlay\" value=\"" .
2962                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
2963
2964                 print "<param key=\"icons_location\" value=\"" .
2965                         ICONS_URL . "\"/>";
2966
2967                 print "<param key=\"hide_read_shows_special\" value=\"" .
2968                         (int) get_pref($link, "HIDE_READ_SHOWS_SPECIAL") . "\"/>";
2969
2970                 print "<param key=\"hide_feedlist\" value=\"" .
2971                         (int) get_pref($link, "HIDE_FEEDLIST") . "\"/>";
2972
2973                 print "</init-params>";
2974         }
2975
2976         function print_runtime_info($link) {
2977                 print "<runtime-info>";
2978
2979                 if (ENABLE_UPDATE_DAEMON) {
2980                         print "<param key=\"daemon_is_running\" value=\"".
2981                                 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
2982
2983                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2984
2985                                 $stamp = (int)read_stampfile("update_daemon.stamp");
2986
2987 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
2988
2989                                 if ($stamp) {
2990                                         $stamp_delta = time() - $stamp;
2991
2992                                         if ($stamp_delta > 1800) {
2993                                                 $stamp_check = 0;
2994                                         } else {
2995                                                 $stamp_check = 1;
2996                                                 $_SESSION["daemon_stamp_check"] = time();
2997                                         }
2998
2999                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
3000
3001                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3002
3003                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
3004                                 }
3005                         }
3006                 }
3007
3008                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3009
3010                         if ($_SESSION["last_version_check"] + 7200 < time()) {
3011                                 $new_version_details = check_for_update($link);
3012
3013                                 print "<param key=\"new_version_available\" value=\"".
3014                                         sprintf("%d", $new_version_details != ""). "\"/>";
3015
3016                                 $_SESSION["last_version_check"] = time();
3017                         }
3018                 }
3019
3020 //              print "<param key=\"new_version_available\" value=\"1\"/>";
3021
3022                 print "</runtime-info>";
3023         }
3024
3025         function getSearchSql($search, $match_on) {
3026
3027                 $search_query_part = "";
3028
3029                 $keywords = split(" ", $search);
3030                 $query_keywords = array();
3031
3032                 if ($match_on == "both") {
3033
3034                         foreach ($keywords as $k) {
3035                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
3036                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3037                         }
3038
3039                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3040
3041                 } else if ($match_on == "title") {
3042
3043                         foreach ($keywords as $k) {
3044                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
3045                         }
3046
3047                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3048
3049                 } else if ($match_on == "content") {
3050
3051                         foreach ($keywords as $k) {
3052                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3053                         }
3054                 }
3055
3056                 $search_query_part = implode("AND", $query_keywords);
3057
3058                 return $search_query_part;
3059         }
3060
3061         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3062
3063                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3064
3065                         if ($search) {
3066
3067                                 $search_query_part = getSearchSql($search, $match_on);
3068                                 $search_query_part .= " AND ";
3069
3070                         } else {
3071                                 $search_query_part = "";
3072                         }
3073
3074                         $view_query_part = "";
3075
3076                         if ($view_mode == "adaptive") {
3077                                 if ($search) {
3078                                         $view_query_part = " ";
3079                                 } else if ($feed != -1) {
3080                                         $unread = getFeedUnread($link, $feed, $cat_view);
3081                                         if ($unread > 0) {
3082                                                 $view_query_part = " unread = true AND ";
3083                                         }
3084                                 }
3085                         }
3086
3087                         if ($view_mode == "marked") {
3088                                 $view_query_part = " marked = true AND ";
3089                         }
3090
3091                         if ($view_mode == "unread") {
3092                                 $view_query_part = " unread = true AND ";
3093                         }
3094
3095                         if ($limit > 0) {
3096                                 $limit_query_part = "LIMIT " . $limit;
3097                         }
3098
3099                         $vfeed_query_part = "";
3100
3101                         // override query strategy and enable feed display when searching globally
3102                         if ($search && $search_mode == "all_feeds") {
3103                                 $query_strategy_part = "ttrss_entries.id > 0";
3104                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3105                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3106                                 $query_strategy_part = "ttrss_entries.id > 0";
3107                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3108                                         id = feed_id) as feed_title,";
3109                         } else if ($feed >= 0 && $search && $search_mode == "this_cat") {
3110
3111                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3112
3113                                 $tmp_result = false;
3114
3115                                 if ($cat_view) {
3116                                         $tmp_result = db_query($link, "SELECT id
3117                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3118                                 } else {
3119                                         $tmp_result = db_query($link, "SELECT id
3120                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3121                                                         WHERE id = '$feed') AND id != '$feed'");
3122                                 }
3123
3124                                 $cat_siblings = array();
3125
3126                                 if (db_num_rows($tmp_result) > 0) {
3127                                         while ($p = db_fetch_assoc($tmp_result)) {
3128                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3129                                         }
3130
3131                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3132                                                 $feed, implode(" OR ", $cat_siblings));
3133
3134                                 } else {
3135                                         $query_strategy_part = "ttrss_entries.id > 0";
3136                                 }
3137
3138                         } else if ($feed >= 0) {
3139
3140                                 if ($cat_view) {
3141
3142                                         if ($feed > 0) {
3143                                                 $query_strategy_part = "cat_id = '$feed'";
3144                                         } else {
3145                                                 $query_strategy_part = "cat_id IS NULL";
3146                                         }
3147
3148                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3149
3150                                 } else {
3151                                         $tmp_result = db_query($link, "SELECT id
3152                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3153                                                 ORDER BY cat_id,title");
3154
3155                                         $parent_ids = array();
3156
3157                                         if (db_num_rows($tmp_result) > 0) {
3158                                                 while ($p = db_fetch_assoc($tmp_result)) {
3159                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3160                                                 }
3161
3162                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3163                                                         $feed, implode(" OR ", $parent_ids));
3164
3165                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3166                                         } else {
3167                                                 $query_strategy_part = "feed_id = '$feed'";
3168                                         }
3169                                 }
3170                         } else if ($feed == -1) { // starred virtual feed
3171                                 $query_strategy_part = "marked = true";
3172                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3173                         } else if ($feed == -2) { // published virtual feed
3174                                 $query_strategy_part = "published = true";
3175                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3176                         } else if ($feed == -3) { // fresh virtual feed
3177                                 $query_strategy_part = "unread = true";
3178
3179                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3180
3181                                 if (DB_TYPE == "pgsql") {
3182                                         $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
3183                                 } else {
3184                                         $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3185                                 }
3186
3187                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3188                         } else if ($feed <= -10) { // labels
3189                                 $label_id = -$feed - 11;
3190
3191                                 $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
3192                                         WHERE id = '$label_id'");
3193
3194                                 $query_strategy_part = db_fetch_result($tmp_result, 0, "sql_exp");
3195
3196                                 if (!$query_strategy_part) {
3197                                         return false;
3198                                 }
3199
3200                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3201                         } else {
3202                                 $query_strategy_part = "id > 0"; // dumb
3203                         }
3204
3205                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3206                                 $order_by = "updated";
3207                         } else {
3208                                 $order_by = "updated DESC";
3209                         }
3210
3211                         if ($override_order) {
3212                                 $order_by = $override_order;
3213                         }
3214
3215                         $feed_title = "";
3216
3217                         if ($search && $search_mode == "all_feeds") {
3218                                 $feed_title = __("Search results")." ($search)";
3219                         } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3220                                 $feed_title = __("Search results")." ($search, $feed)";
3221                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3222                                 $feed_title = $feed;
3223                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
3224
3225                                 if ($cat_view) {
3226
3227                                         if ($feed != 0) {
3228                                                 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
3229                                                         WHERE id = '$feed' AND owner_uid = $owner_uid");
3230                                                 $feed_title = db_fetch_result($result, 0, "title");
3231                                         } else {
3232                                                 $feed_title = __("Uncategorized");
3233                                         }
3234
3235                                         if ($search) {
3236                                                 $feed_title = __("Searched for")." $search ($feed_title)";
3237                                         }
3238
3239                                 } else {
3240
3241                                         $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds
3242                                                 WHERE id = '$feed' AND owner_uid = $owner_uid");
3243
3244                                         $feed_title = db_fetch_result($result, 0, "title");
3245                                         $feed_site_url = db_fetch_result($result, 0, "site_url");
3246                                         $last_error = db_fetch_result($result, 0, "last_error");
3247
3248                                         if ($search) {
3249                                                 $feed_title = __("Searched for") . " $search ($feed_title)";
3250                                         }
3251                                 }
3252
3253                         } else if ($feed == -1) {
3254                                 $feed_title = __("Starred articles");
3255                         } else if ($feed == -2) {
3256                                 $feed_title = __("Published articles");
3257                         } else if ($feed == -3) {
3258                                 $feed_title = __("Fresh articles");
3259                         } else if ($feed < -10) {
3260                                 $label_id = -$feed - 11;
3261                                 $result = db_query($link, "SELECT description FROM ttrss_labels
3262                                         WHERE id = '$label_id'");
3263                                 $feed_title = db_fetch_result($result, 0, "description");
3264
3265                                 if ($search) {
3266                                         $feed_title = __("Searched for") . " $search ($feed_title)";
3267                                 }
3268                         } else {
3269                                 $feed_title = "?";
3270                         }
3271
3272                         if ($feed < -10) error_reporting (0);
3273
3274                         $content_query_part = "content as content_preview,";
3275
3276                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3277
3278                                 if ($feed >= 0) {
3279                                         $feed_kind = "Feeds";
3280                                 } else {
3281                                         $feed_kind = "Labels";
3282                                 }
3283
3284                                 if ($limit_query_part) {
3285                                         $offset_query_part = "OFFSET $offset";
3286                                 }
3287
3288                                 if ($vfeed_query_part && defined('_VFEED_GROUP_BY_FEED')) {
3289                                         if (!$override_order) {
3290                                                 $order_by = "ttrss_feeds.title, $order_by";
3291                                         }
3292
3293                                         if ($feed == -3) {
3294                                                 $group_limit_part = "(select count(*) from
3295                                                         ttrss_user_entries AS t1, ttrss_entries AS t2 where
3296                                                                 t1.ref_id = t2.id and t1.owner_uid = 2 and
3297                                                                 t1.feed_id = ttrss_user_entries.feed_id and
3298                                                                 t2.updated > ttrss_entries.updated) <= 5 AND";
3299                                         }
3300                                 }
3301
3302                                 $query = "SELECT
3303                                                 guid,
3304                                                 ttrss_entries.id,ttrss_entries.title,
3305                                                 updated,
3306                                                 unread,feed_id,marked,published,link,last_read,
3307                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3308                                                 $vfeed_query_part
3309                                                 $content_query_part
3310                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3311                                                 author,score
3312                                         FROM
3313                                                 ttrss_entries,ttrss_user_entries,ttrss_feeds
3314                                         WHERE
3315                                         $group_limit_part
3316                                         ttrss_feeds.hidden = false AND
3317                                         score >= -500 AND
3318                                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
3319                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3320                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3321                                         $search_query_part
3322                                         $view_query_part
3323                                         $query_strategy_part ORDER BY $order_by
3324                                         $limit_query_part $offset_query_part";
3325
3326                                 $result = db_query($link, $query);
3327
3328                                 if ($_GET["debug"]) print $query;
3329
3330                         } else {
3331                                 // browsing by tag
3332
3333                                 $feed_kind = "Tags";
3334
3335                                 $result = db_query($link, "SELECT
3336                                         guid,
3337                                         ttrss_entries.id as id,title,
3338                                         updated,
3339                                         unread,feed_id,
3340                                         marked,link,last_read,
3341                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3342                                         $vfeed_query_part
3343                                         $content_query_part
3344                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms
3345                                         FROM
3346                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3347                                         WHERE
3348                                                 ref_id = ttrss_entries.id AND
3349                                                 score >= -500 AND
3350                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3351                                                 post_int_id = int_id AND tag_name = '$feed' AND
3352                                                 $view_query_part
3353                                                 $search_query_part
3354                                                 $query_strategy_part ORDER BY $order_by
3355                                         $limit_query_part");
3356                         }
3357
3358                         return array($result, $feed_title, $feed_site_url, $last_error);
3359
3360         }
3361
3362         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3363                 $search, $search_mode, $match_on) {
3364
3365                 $qfh_ret = queryFeedHeadlines($link, $feed,
3366                         30, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3367                         $owner_uid);
3368
3369                 $result = $qfh_ret[0];
3370                 $feed_title = htmlspecialchars($qfh_ret[1]);
3371                 $feed_site_url = $qfh_ret[2];
3372                 $last_error = $qfh_ret[3];
3373
3374 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3375
3376                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3377                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3378                         <rss version=\"2.0\">
3379                         <channel>
3380                         <title>$feed_title</title>
3381                         <link>$feed_site_url</link>
3382                         <description>Feed generated by Tiny Tiny RSS</description>";
3383
3384                 while ($line = db_fetch_assoc($result)) {
3385                         print "<item>";
3386                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3387                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3388
3389                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3390
3391                         foreach ($tags as $tag) {
3392                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3393                         }
3394
3395                         $rfc822_date = date('r', strtotime($line["updated"]));
3396
3397                         print "<pubDate>$rfc822_date</pubDate>";
3398
3399                         print "<title>" .
3400                                 htmlspecialchars($line["title"]) . "</title>";
3401
3402                         print "<description><![CDATA[" .
3403                                 $line["content_preview"] . "]]></description>";
3404
3405                         print "</item>";
3406                 }
3407
3408                 print "</channel></rss>";
3409
3410         }
3411
3412         function getCategoryTitle($link, $cat_id) {
3413
3414                 if ($cat_id == -1) {
3415                         return __("Special");
3416                 } else if ($cat_id == -2) {
3417                         return __("Labels");
3418                 } else {
3419
3420                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3421                                 id = '$cat_id'");
3422
3423                         if (db_num_rows($result) == 1) {
3424                                 return db_fetch_result($result, 0, "title");
3425                         } else {
3426                                 return "Uncategorized";
3427                         }
3428                 }
3429         }
3430
3431         // http://ru2.php.net/strip-tags
3432
3433         function strip_tags_long($textstring, $allowed){
3434         while($textstring != strip_tags($textstring, $allowed))
3435     {
3436     while (strlen($textstring) != 0)
3437          {
3438          if (strlen($textstring) > 1024) {
3439               $otherlen = 1024;
3440          } else {
3441               $otherlen = strlen($textstring);
3442          }
3443          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3444          $safetext .= $temptext;
3445          $textstring = substr_replace($textstring,'',0,$otherlen);
3446          }
3447     $textstring = $safetext;
3448     }
3449         return $textstring;
3450         }
3451
3452
3453         function sanitize_rss($link, $str, $force_strip_tags = false) {
3454                 $res = $str;
3455
3456                 if (get_pref($link, "STRIP_UNSAFE_TAGS") || $force_strip_tags) {
3457
3458                         $res = strip_tags_long($res,
3459                                 "<p><a><i><em><b><strong><blockquote><br><img><div><span><ul><ol><li>");
3460
3461 //                      $res = preg_replace("/\r\n|\n|\r/", "", $res);
3462 //                      $res = strip_tags_long($res, "<p><a><i><em><b><strong><blockquote><br><img><div><span>");
3463                 }
3464
3465                 return $res;
3466         }
3467
3468         /**
3469          * Send by mail a digest of last articles.
3470          *
3471          * @param mixed $link The database connection.
3472          * @param integer $limit The maximum number of articles by digest.
3473          * @return boolean Return false if digests are not enabled.
3474          */
3475         function send_headlines_digests($link, $limit = 100) {
3476
3477                 if (!DIGEST_ENABLE) return false;
3478
3479                 $user_limit = DIGEST_EMAIL_LIMIT;
3480                 $days = 1;
3481
3482                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3483
3484                 if (DB_TYPE == "pgsql") {
3485                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3486                 } else if (DB_TYPE == "mysql") {
3487                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3488                 }
3489
3490                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3491                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3492
3493                 while ($line = db_fetch_assoc($result)) {
3494
3495                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3496                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3497
3498                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3499
3500                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3501                                 $digest = $tuple[0];
3502                                 $headlines_count = $tuple[1];
3503                                 $affected_ids = $tuple[2];
3504                                 $digest_text = $tuple[3];
3505
3506                                 if ($headlines_count > 0) {
3507
3508                                         $mail = new PHPMailer();
3509
3510                                         $mail->PluginDir = "phpmailer/";
3511                                         $mail->SetLanguage("en", "phpmailer/language/");
3512
3513                                         $mail->CharSet = "UTF-8";
3514
3515                                         $mail->From = DIGEST_FROM_ADDRESS;
3516                                         $mail->FromName = DIGEST_FROM_NAME;
3517                                         $mail->AddAddress($line["email"], $line["login"]);
3518
3519                                         if (DIGEST_SMTP_HOST) {
3520                                                 $mail->Host = DIGEST_SMTP_HOST;
3521                                                 $mail->Mailer = "smtp";
3522                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3523                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3524                                         }
3525
3526                                         $mail->IsHTML(true);
3527                                         $mail->Subject = DIGEST_SUBJECT;
3528                                         $mail->Body = $digest;
3529                                         $mail->AltBody = $digest_text;
3530
3531                                         $rc = $mail->Send();
3532
3533                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3534
3535                                         print "RC=$rc\n";
3536
3537                                         if ($rc && $do_catchup) {
3538                                                 print "Marking affected articles as read...\n";
3539                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3540                                         }
3541
3542                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3543                                                         WHERE id = " . $line["id"]);
3544                                 } else {
3545                                         print "No headlines\n";
3546                                 }
3547                         }
3548                 }
3549
3550                 print "All done.\n";
3551
3552         }
3553
3554         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3555
3556                 require_once "MiniTemplator.class.php";
3557
3558                 $tpl = new MiniTemplator;
3559                 $tpl_t = new MiniTemplator;
3560
3561                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3562                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3563
3564                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3565                 $tpl->setVariable('CUR_TIME', date('G:i'));
3566
3567                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3568                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3569
3570                 $affected_ids = array();
3571
3572                 if (DB_TYPE == "pgsql") {
3573                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3574                 } else if (DB_TYPE == "mysql") {
3575                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3576                 }
3577
3578                 $result = db_query($link, "SELECT ttrss_entries.title,
3579                                 ttrss_feeds.title AS feed_title,
3580                                 date_entered,
3581                                 ttrss_user_entries.ref_id,
3582                                 link,
3583                                 SUBSTRING(content, 1, 120) AS excerpt,
3584                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3585                         FROM
3586                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3587                         WHERE
3588                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3589                                 AND include_in_digest = true
3590                                 AND $interval_query
3591                                 AND hidden = false
3592                                 AND ttrss_user_entries.owner_uid = $user_id
3593                                 AND unread = true
3594                         ORDER BY ttrss_feeds.title, date_entered DESC
3595                         LIMIT $limit");
3596
3597                 $cur_feed_title = "";
3598
3599                 $headlines_count = db_num_rows($result);
3600
3601                 $headlines = array();
3602
3603                 while ($line = db_fetch_assoc($result)) {
3604                         array_push($headlines, $line);
3605                 }
3606
3607                 for ($i = 0; $i < sizeof($headlines); $i++) {
3608
3609                         $line = $headlines[$i];
3610
3611                         array_push($affected_ids, $line["ref_id"]);
3612
3613                         $updated = smart_date_time(strtotime($line["last_updated"]));
3614
3615                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3616                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3617                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3618                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3619                         $tpl->setVariable('ARTICLE_EXCERPT',
3620                                 truncate_string(strip_tags($line["excerpt"]), 100));
3621
3622                         $tpl->addBlock('article');
3623
3624                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3625                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3626                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3627                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3628 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3629 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3630
3631                         $tpl_t->addBlock('article');
3632
3633                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3634                                 $tpl->addBlock('feed');
3635                                 $tpl_t->addBlock('feed');
3636                         }
3637
3638                 }
3639
3640                 $tpl->addBlock('digest');
3641                 $tpl->generateOutputToString($tmp);
3642
3643                 $tpl_t->addBlock('digest');
3644                 $tpl_t->generateOutputToString($tmp_t);
3645
3646                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3647         }
3648
3649         function check_for_update($link, $brief_fmt = true) {
3650                 $releases_feed = "http://tt-rss.spb.ru/releases.rss";
3651
3652                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3653                         return;
3654                 }
3655
3656                 error_reporting(0);
3657                 if (ENABLE_SIMPLEPIE) {
3658                         $rss = new SimplePie();
3659                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3660 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3661                         $rss->set_feed_url($fetch_url);
3662                         $rss->set_output_encoding('UTF-8');
3663                         $rss->init();
3664                 } else {
3665                         $rss = fetch_rss($releases_feed);
3666                 }
3667                 error_reporting (DEFAULT_ERROR_LEVEL);
3668
3669                 if ($rss) {
3670
3671                         if (ENABLE_SIMPLEPIE) {
3672                                 $items = $rss->get_items();
3673                         } else {
3674                                 $items = $rss->items;
3675
3676                                 if (!$items || !is_array($items)) $items = $rss->entries;
3677                                 if (!$items || !is_array($items)) $items = $rss;
3678                         }
3679
3680                         if (!is_array($items) || count($items) == 0) {
3681                                 return;
3682                         }
3683
3684                         $latest_item = $items[0];
3685
3686                         if (ENABLE_SIMPLEPIE) {
3687                                 $last_title = $latest_item->get_title();
3688                         } else {
3689                                 $last_title = $latest_item["title"];
3690                         }
3691
3692                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3693
3694                         if (ENABLE_SIMPLEPIE) {
3695                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3696                                 $content = sanitize_rss($link, $latest_item->get_description());
3697                         } else {
3698                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3699                                 $content = sanitize_rss($link, $latest_item["description"]);
3700                         }
3701
3702                         if (version_compare(VERSION, $latest_version) == -1) {
3703                                 if ($brief_fmt) {
3704                                         return format_notice("<a href=\"javascript:showBlockElement('milestoneDetails')\">
3705                                                 New version of Tiny-Tiny RSS ($latest_version) is available (click for details)</a>
3706                                                 <div id=\"milestoneDetails\">$content</div>");
3707                                 } else {
3708                                         return "New version of Tiny-Tiny RSS ($latest_version) is available:
3709                                                 <div class='milestoneDetails'>$content</div>
3710                                                 Visit <a target=\"_new\" href=\"http://tt-rss.spb.ru/\">official site</a> for
3711                                                 download and update information.";
3712                                 }
3713
3714                         }
3715                 }
3716         }
3717
3718         function markArticlesById($link, $ids, $cmode) {
3719
3720                 $tmp_ids = array();
3721
3722                 foreach ($ids as $id) {
3723                         array_push($tmp_ids, "ref_id = '$id'");
3724                 }
3725
3726                 $ids_qpart = join(" OR ", $tmp_ids);
3727
3728                 if ($cmode == 0) {
3729                         db_query($link, "UPDATE ttrss_user_entries SET
3730                         marked = false,last_read = NOW()
3731                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3732                 } else if ($cmode == 1) {
3733                         db_query($link, "UPDATE ttrss_user_entries SET
3734                         marked = true
3735                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3736                 } else {
3737                         db_query($link, "UPDATE ttrss_user_entries SET
3738                         marked = NOT marked,last_read = NOW()
3739                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3740                 }
3741         }
3742
3743         function publishArticlesById($link, $ids, $cmode) {
3744
3745                 $tmp_ids = array();
3746
3747                 foreach ($ids as $id) {
3748                         array_push($tmp_ids, "ref_id = '$id'");
3749                 }
3750
3751                 $ids_qpart = join(" OR ", $tmp_ids);
3752
3753                 if ($cmode == 0) {
3754                         db_query($link, "UPDATE ttrss_user_entries SET
3755                         published = false,last_read = NOW()
3756                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3757                 } else if ($cmode == 1) {
3758                         db_query($link, "UPDATE ttrss_user_entries SET
3759                         published = true
3760                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3761                 } else {
3762                         db_query($link, "UPDATE ttrss_user_entries SET
3763                         published = NOT published,last_read = NOW()
3764                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3765                 }
3766         }
3767
3768         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
3769
3770                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3771
3772                 $tmp_ids = array();
3773
3774                 foreach ($ids as $id) {
3775                         array_push($tmp_ids, "ref_id = '$id'");
3776                 }
3777
3778                 $ids_qpart = join(" OR ", $tmp_ids);
3779
3780                 if ($cmode == 0) {
3781                         db_query($link, "UPDATE ttrss_user_entries SET
3782                         unread = false,last_read = NOW()
3783                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3784                 } else if ($cmode == 1) {
3785                         db_query($link, "UPDATE ttrss_user_entries SET
3786                         unread = true
3787                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3788                 } else {
3789                         db_query($link, "UPDATE ttrss_user_entries SET
3790                         unread = NOT unread,last_read = NOW()
3791                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3792                 }
3793         }
3794
3795         function catchupArticleById($link, $id, $cmode) {
3796
3797                 if ($cmode == 0) {
3798                         db_query($link, "UPDATE ttrss_user_entries SET
3799                         unread = false,last_read = NOW()
3800                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3801                 } else if ($cmode == 1) {
3802                         db_query($link, "UPDATE ttrss_user_entries SET
3803                         unread = true
3804                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3805                 } else {
3806                         db_query($link, "UPDATE ttrss_user_entries SET
3807                         unread = NOT unread,last_read = NOW()
3808                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3809                 }
3810         }
3811
3812         function make_guid_from_title($title) {
3813                 return preg_replace("/[ \"\',.:;]/", "-",
3814                         mb_strtolower(strip_tags($title), 'utf-8'));
3815         }
3816
3817         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
3818                         $bottom = false, $rtl_content = false, $feed_id = 0,
3819                         $is_cat = false, $search = false, $match_on = false,
3820                         $search_mode = false, $offset = 0, $limit = 0,
3821                         $dashboard_menu = 0, $disable_feed = 0, $feed_small_icon = 0) {
3822
3823                         $user_page_offset = $offset + 1;
3824
3825                         if (!$bottom) {
3826                                 $class = "headlinesSubToolbar";
3827                                 $tid = "headlineActionsTop";
3828                         } else {
3829                                 $class = "headlinesSubToolbar";
3830                                 $tid = "headlineActionsBottom";
3831                         }
3832
3833                         print "<table class=\"$class\" id=\"$tid\"
3834                                 width=\"100%\" cellspacing=\"0\" cellpadding=\"0\"><tr>";
3835
3836                         if ($rtl_content) {
3837                                 $rtl_cpart = "RTL";
3838                         } else {
3839                                 $rtl_cpart = "";
3840                         }
3841
3842                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
3843                         $page_next_link = "javascript:viewFeedGoPage(1)";
3844                         $page_first_link = "javascript:viewFeedGoPage(0)";
3845
3846                         $catchup_page_link = "javascript:catchupPage()";
3847                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
3848                         $catchup_sel_link = "javascript:catchupSelection()";
3849
3850                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
3851
3852                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
3853                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
3854                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
3855
3856                                 $tog_unread_link = "javascript:selectionToggleUnread()";
3857                                 $tog_marked_link = "javascript:selectionToggleMarked()";
3858                                 $tog_published_link = "javascript:selectionTogglePublished()";
3859
3860                         } else {
3861
3862                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
3863                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
3864                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
3865
3866                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
3867                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
3868                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
3869
3870                         }
3871
3872                         if (!$dashboard_menu) {
3873
3874                                 if (strpos($_SESSION["client.userAgent"], "MSIE") === false) {
3875
3876                                         print "<td class=\"headlineActions$rtl_cpart\">
3877                                                 <ul class=\"headlineDropdownMenu\">
3878                                                 <li class=\"top2\">
3879                                                 ".__('Select:')."
3880                                                         <a href=\"$sel_all_link\">".__('All')."</a>,
3881                                                         <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3882                                                         <a href=\"$sel_none_link\">".__('None')."</a></li>
3883                                                 <li class=\"vsep\">&nbsp;</li>
3884                                                 <li class=\"top\">".__('Toggle')."<ul>
3885                                                         <li onclick=\"$tog_unread_link\">".__('Unread')."</li>
3886                                                         <li onclick=\"$tog_marked_link\">".__('Starred')."</li>
3887                                                         <li onclick=\"$tog_published_link\">".__('Published')."</li>
3888                                                         </ul></li>
3889                                                 <li class=\"vsep\">&nbsp;</li>
3890                                                 <li class=\"top\">".__('Mark as read')."<ul>
3891                                                         <li onclick=\"$catchup_sel_link\">".__('Selection')."</li>
3892                                                         <!-- <li onclick=\"$catchup_page_link\">".__('This page')."</li> -->";
3893
3894                                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
3895
3896                                         print "
3897                                                         <li><span class=\"insensitive\">--------</span></li>
3898                                                         <li onclick=\"catchupRelativeToArticle(0)\">".__("Above active article")."</li>
3899                                                         <li onclick=\"catchupRelativeToArticle(1)\">".__("Below active article")."</li>
3900                                                         <li><span class=\"insensitive\">--------</span></li>";
3901                                         }
3902
3903                                         print "
3904                                                         <li onclick=\"$catchup_feed_link\">".__('Entire feed')."</li></ul></li>
3905                                                 ";
3906
3907                                                 $enable_pagination = get_pref($link, "_PREFS_ENABLE_PAGINATION");
3908
3909                                                 if ($limit != 0 && !$search && $enable_pagination) {
3910                                                         print "
3911                                                         <li class=\"vsep\">&nbsp;</li>
3912                                                         <li class=\"top\"><a href=\"$page_next_link\">".__('Next page')."</a><ul>
3913                                                                 <li onclick=\"$page_prev_link\">".__('Previous page')."</li>
3914                                                                 <li onclick=\"$page_first_link\">".__('First page')."</li></ul></li>
3915                                                                 </ul>";
3916                                                         }
3917
3918                                                 if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3919                                                         print "
3920                                                                 <li class=\"vsep\">&nbsp;</li>
3921                                                                 <li class=\"top3\">
3922                                                                 <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3923                                                                         '$match_on', '$feed_id', '$is_cat');\">
3924                                                                         ".__('Convert to label')."</a></td>";
3925                                                 }
3926                                                 print "
3927                                                 </td>";
3928
3929                                 } else {
3930                                 // old style subtoolbar:
3931
3932                                         print "<td class=\"headlineActions$rtl_cpart\">".
3933                                                 __('Select:')."
3934                                                                         <a href=\"$sel_all_link\">".__('All')."</a>,
3935                                                                         <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3936                                                                         <a href=\"$sel_none_link\">".__('None')."</a>
3937                                                         &nbsp;&nbsp;".
3938                                                         __('Toggle:')." <a href=\"$tog_unread_link\">".__('Unread')."</a>,
3939                                                                 <a href=\"$tog_marked_link\">".__('Starred')."</a>
3940                                                         &nbsp;&nbsp;".
3941                                                         __('Mark as read:')."
3942                                                                 <a href=\"#\" onclick=\"$catchup_page_link\">".__('Page')."</a>,
3943                                                                 <a href=\"#\" onclick=\"$catchup_feed_link\">".__('Feed')."</a>";
3944
3945                                         if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3946
3947                                                 print "&nbsp;&nbsp;
3948                                                                 <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3949                                                                         '$match_on', '$feed_id', '$is_cat');\">
3950                                                                 ".__('Convert to label')."</a>";
3951                                         }
3952
3953                                         print "</td>";
3954
3955                                 }
3956                         } else { // dashboard menu actions
3957
3958                                         print "<td class=\"headlineActions$rtl_cpart\">
3959                                                 <ul class=\"headlineDropdownMenu\">
3960                                                 <li class=\"top2\">
3961                                                         <a href=\"#\" onclick=\"return displayDlg('quickAddFeed');\">".
3962                                                                 __('Subscribe to feed')."</a>
3963                                                 </li>
3964                                                 <li class=\"vsep\">&nbsp;</li>
3965                                                 <li class=\"top\">".__('Placeholder')."<ul>
3966                                                         <li onclick=\"\">".__('Placeholder')."</li>
3967                                                         <li onclick=\"\">".__('Placeholder')."</li>
3968                                                         <li onclick=\"\">".__('Placeholder')."</li>
3969                                                         </ul></li>
3970                                                 <li class=\"vsep\">&nbsp;</li>
3971                                                 <li class=\"top\">".__('Show')."<ul>
3972                                                         <li onclick=\"\">".__('Update errors')."</li>
3973                                                         </ul></li></ul>";
3974
3975                                         print "</td>";
3976
3977                         }
3978
3979 /*                      if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3980                                 print "<td class=\"headlineActions$rtl_cpart\">
3981                                         <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3982                                                         '$match_on', '$feed_id', '$is_cat');\">
3983                                                 ".__('Convert to Label')."</a></td>";
3984 } */
3985
3986                         print "<td class=\"headlineTitle$rtl_cpart\">";
3987
3988                         print "<span class=\"headlineInnerTitle\">";
3989
3990                         if ($feed_site_url) {
3991                                 if (!$bottom) {
3992                                         $target = "target=\"_new\"";
3993                                 }
3994                                 print "<a $target href=\"$feed_site_url\">".
3995                                         truncate_string($feed_title,30)."</a>";
3996                         } else {
3997                                 print $feed_title;
3998                         }
3999
4000                         if ($search) {
4001                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4002                         }
4003
4004                         if ($user_page_offset > 1) {
4005                                 print " [$user_page_offset] ";
4006                         }
4007
4008                         print "</span>";
4009
4010                         if (!$bottom && !$disable_feed) {
4011                                 print "
4012                                         <a target=\"_new\"
4013                                                 href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
4014                                                 <img class=\"noborder\"
4015                                                         alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
4016                                         </a>";
4017                         } else if ($feed_small_icon) {
4018                                 print "<img class=\"noborder\" alt=\"\" src=\"images/$feed_small_icon\">";
4019                         }
4020
4021                         print "</td>";
4022                         print "</tr></table>";
4023
4024                 }
4025
4026         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
4027
4028                         $tmp_category = getCategoryTitle($link, $cat_id);
4029                         $cat_unread = getCategoryUnread($link, $cat_id);
4030
4031                         if ($hidden) {
4032                                 $holder_style = "display:none;";
4033                                 $ellipsis = "…";
4034                         } else {
4035                                 $holder_style = "";
4036                                 $ellipsis = "";
4037                         }
4038
4039                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4040
4041                         print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
4042                                 <a id=\"FCATN-$cat_id\" href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>";
4043
4044                         if ($can_browse) {
4045                                 print "<a href=\"#\" onclick=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">";
4046                         } else {
4047                                 print "<span id=\"FCAP-$cat_id\">";
4048                         }
4049
4050                         print " <span id=\"FCATCTR-$cat_id\"
4051                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4052
4053                         if ($can_browse) {
4054                                 print "</a>";
4055                         } else {
4056                                 print "</span>";
4057                         }
4058
4059                         print "</li>";
4060
4061                         print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4062         }
4063
4064         function outputFeedList($link, $tags = false) {
4065
4066                 print "<ul class=\"feedList\" id=\"feedList\">";
4067
4068                 $owner_uid = $_SESSION["uid"];
4069
4070                 /* virtual feeds */
4071
4072                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4073
4074                         if ($_COOKIE["ttrss_vf_vclps"] == 1) {
4075                                 $cat_hidden = true;
4076                         } else {
4077                                 $cat_hidden = false;
4078                         }
4079
4080 #                       print "<li class=\"feedCat\">".__('Special')."</li>";
4081 #                       print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\">";
4082 #                       print "<li class=\"feedCat\">".
4083 #                               "<a id=\"FCATN--1\" href=\"javascript:toggleCollapseCat(-1)\">".
4084 #                               __('Special')."</a> <span id='FCAP--1'>$ellipsis</span></li>";
4085 #
4086 #                       print "<li id=\"feedCatHolder\" class=\"feedCatHolder\">
4087 #                               <ul class=\"feedCatList\" id='FCATLIST--1' style='$holder_style'>";
4088
4089 #                       $cat_unread = getCategoryUnread($link, -1);
4090 #                       $tmp_category = __("Special");
4091 #                       $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4092
4093                         printCategoryHeader($link, -1, $cat_hidden, false);
4094                 }
4095
4096                 if (defined('_ENABLE_DASHBOARD')) {
4097                         printFeedEntry(-4, "virt", __("Dashboard"), 0,
4098                                 "images/tag.png", $link);
4099                 }
4100
4101                 $num_starred = getFeedUnread($link, -1);
4102                 $num_published = getFeedUnread($link, -2);
4103                 $num_fresh = getFeedUnread($link, -3);
4104
4105                 $class = "virt";
4106
4107                 if ($num_fresh > 0) $class .= "Unread";
4108
4109                 printFeedEntry(-3, $class, __("Fresh articles"), $num_fresh,
4110                         "images/fresh.png", $link);
4111
4112                 $class = "virt";
4113
4114                 if ($num_starred > 0) $class .= "Unread";
4115
4116                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4117
4118                 if ($is_ie) {
4119                         $mark_img_ext = "gif";
4120                 } else {
4121                         $mark_img_ext = "png";
4122                 }
4123
4124                 printFeedEntry(-1, $class, __("Starred articles"), $num_starred,
4125                         "images/mark_set.$mark_img_ext", $link);
4126
4127                 $class = "virt";
4128
4129                 if ($num_published > 0) $class .= "Unread";
4130
4131                 printFeedEntry(-2, $class, __("Published articles"), $num_published,
4132                         "images/pub_set.gif", $link);
4133
4134                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4135                         print "</ul>";
4136                 }
4137
4138                 if (!$tags) {
4139
4140                         if (GLOBAL_ENABLE_LABELS && get_pref($link, 'ENABLE_LABELS')) {
4141
4142                                 $result = db_query($link, "SELECT id,sql_exp,description FROM
4143                                         ttrss_labels WHERE owner_uid = '$owner_uid' ORDER by description");
4144
4145                                 if (db_num_rows($result) > 0) {
4146                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4147
4148                                                 if ($_COOKIE["ttrss_vf_lclps"] == 1) {
4149                                                         $cat_hidden = true;
4150                                                 } else {
4151                                                         $cat_hidden = false;
4152                                                 }
4153
4154                                                 printCategoryHeader($link, -2, $cat_hidden, false);
4155
4156 #                                               print "<li class=\"feedCat\">".
4157 #                                                       "<a id=\"FCATN--2\" href=\"javascript:toggleCollapseCat(-2)\">".
4158 #                                                       __('Labels')."</a> <span id='FCAP--2'>$ellipsis</span></li>";
4159 #
4160 #                                               print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\" id='FCATLIST--2' style='$holder_style'>";
4161                                         } else {
4162                                                 print "<li><hr></li>";
4163                                         }
4164                                 }
4165
4166                                 while ($line = db_fetch_assoc($result)) {
4167
4168                                         error_reporting (0);
4169
4170                                         $label_id = -$line['id'] - 11;
4171                                         $count = getFeedUnread($link, $label_id);
4172
4173                                         $class = "label";
4174
4175                                         if ($count > 0) {
4176                                                 $class .= "Unread";
4177                                         }
4178
4179                                         error_reporting (DEFAULT_ERROR_LEVEL);
4180
4181                                         printFeedEntry($label_id,
4182                                                 $class, $line["description"],
4183                                                 $count, "images/label.png", $link);
4184
4185                                 }
4186
4187                                 if (db_num_rows($result) > 0) {
4188                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4189                                                 print "</ul>";
4190                                         }
4191                                 }
4192
4193                         }
4194
4195                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4196                                 print "<li><hr></li>";
4197                         }
4198
4199                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4200                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4201                                         $order_by_qpart = "category,unread DESC,title";
4202                                 } else {
4203                                         $order_by_qpart = "category,title";
4204                                 }
4205                         } else {
4206                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4207                                         $order_by_qpart = "unread DESC,title";
4208                                 } else {
4209                                         $order_by_qpart = "title";
4210                                 }
4211                         }
4212
4213                         $age_qpart = getMaxAgeSubquery();
4214
4215                         $result = db_query($link, "SELECT ttrss_feeds.*,
4216                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4217                                 (SELECT COUNT(id) FROM ttrss_entries,ttrss_user_entries
4218                                         WHERE feed_id = ttrss_feeds.id AND unread = true
4219                                                 AND $age_qpart
4220                                                 AND ttrss_user_entries.ref_id = ttrss_entries.id
4221                                                 AND owner_uid = '$owner_uid') as unread,
4222                                 cat_id,last_error,
4223                                 ttrss_feed_categories.title AS category,
4224                                 ttrss_feed_categories.collapsed
4225                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4226                                         ON (ttrss_feed_categories.id = cat_id)
4227                                 WHERE
4228                                         ttrss_feeds.hidden = false AND
4229                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4230                                 ORDER BY $order_by_qpart");
4231
4232                         $actid = $_GET["actid"];
4233
4234                         /* real feeds */
4235
4236                         $lnum = 0;
4237
4238                         $total_unread = 0;
4239
4240                         $category = "";
4241
4242                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4243
4244                         while ($line = db_fetch_assoc($result)) {
4245
4246                                 $feed = trim($line["title"]);
4247
4248                                 if (!$feed) $feed = "[Untitled]";
4249
4250                                 $feed_id = $line["id"];
4251
4252                                 $subop = $_GET["subop"];
4253
4254                                 $unread = $line["unread"];
4255
4256                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4257                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4258                                 } else {
4259                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4260                                 }
4261
4262                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4263
4264                                 if ($rtl_content) {
4265                                         $rtl_tag = "dir=\"RTL\"";
4266                                 } else {
4267                                         $rtl_tag = "";
4268                                 }
4269
4270                                 $tmp_result = db_query($link,
4271                                         "SELECT id,COUNT(unread) AS unread
4272                                         FROM ttrss_feeds LEFT JOIN ttrss_user_entries
4273                                                 ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
4274                                         WHERE parent_feed = '$feed_id' AND unread = true
4275                                         GROUP BY ttrss_feeds.id");
4276
4277                                 if (db_num_rows($tmp_result) > 0) {
4278                                         while ($l = db_fetch_assoc($tmp_result)) {
4279                                                 $unread += $l["unread"];
4280                                         }
4281                                 }
4282
4283                                 $cat_id = $line["cat_id"];
4284
4285                                 $tmp_category = $line["category"];
4286
4287                                 if (!$tmp_category) {
4288                                         $tmp_category = __("Uncategorized");
4289                                 }
4290
4291         //                      $class = ($lnum % 2) ? "even" : "odd";
4292
4293                                 if ($line["last_error"]) {
4294                                         $class = "error";
4295                                 } else {
4296                                         $class = "feed";
4297                                 }
4298
4299                                 if ($unread > 0) $class .= "Unread";
4300
4301                                 if ($actid == $feed_id) {
4302                                         $class .= "Selected";
4303                                 }
4304
4305                                 $total_unread += $unread;
4306
4307                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4308
4309                                         if ($category) {
4310                                                 print "</ul></li>";
4311                                         }
4312
4313                                         $category = $tmp_category;
4314
4315                                         $collapsed = $line["collapsed"];
4316
4317                                         // workaround for NULL category
4318                                         if ($category == __("Uncategorized")) {
4319                                                 if ($_COOKIE["ttrss_vf_uclps"] == 1) {
4320                                                         $collapsed = "t";
4321                                                 }
4322                                         }
4323
4324                                         if ($collapsed == "t" || $collapsed == "1") {
4325                                                 $holder_class = "feedCatHolder";
4326                                                 $holder_style = "display:none;";
4327                                                 $ellipsis = "…";
4328                                         } else {
4329                                                 $holder_class = "feedCatHolder";
4330                                                 $holder_style = "";
4331                                                 $ellipsis = "";
4332                                         }
4333
4334                                         $cat_id = sprintf("%d", $cat_id);
4335
4336                                         $cat_unread = getCategoryUnread($link, $cat_id);
4337
4338                                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4339
4340                                         print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
4341                                                 <a id=\"FCATN-$cat_id\" href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>
4342                                                         <a href=\"#\" onclick=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">
4343                                                         <span id=\"FCATCTR-$cat_id\"
4344                                                         class=\"$catctr_class\">($cat_unread)</span> $ellipsis
4345                                                         </a></li>";
4346
4347                                         print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4348                                 }
4349
4350                                 printFeedEntry($feed_id, $class, $feed, $unread,
4351                                         ICONS_URL."/$feed_id.ico", $link, $rtl_content,
4352                                         $last_updated, $line["last_error"]);
4353
4354                                 ++$lnum;
4355                         }
4356
4357                         if (db_num_rows($result) == 0) {
4358                                 print "<li>".__('No feeds to display.')."</li>";
4359                         }
4360
4361                 } else {
4362
4363                         // tags
4364
4365 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4366                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4367                                 post_int_id = ttrss_user_entries.int_id AND
4368                                 unread = true AND ref_id = ttrss_entries.id
4369                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4370                         UNION
4371                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4372                         ORDER BY tag_name"); */
4373
4374                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4375                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4376                                 print "<li id=\"feedCatHolder\"><ul class=\"feedCatList\">";
4377                         }
4378
4379                         $age_qpart = getMaxAgeSubquery();
4380
4381                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4382                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4383                                         AND ref_id = id AND $age_qpart
4384                                         AND unread = true)) AS count FROM ttrss_tags
4385                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4386                                         ORDER BY count DESC LIMIT 50");
4387
4388                         $tags = array();
4389
4390                         while ($line = db_fetch_assoc($result)) {
4391                                 $tags[$line["tag_name"]] += $line["count"];
4392                         }
4393
4394                         foreach (array_keys($tags) as $tag) {
4395
4396                                 $unread = $tags[$tag];
4397
4398                                 $class = "tag";
4399
4400                                 if ($unread > 0) {
4401                                         $class .= "Unread";
4402                                 }
4403
4404                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4405
4406                         }
4407
4408                         if (db_num_rows($result) == 0) {
4409                                 print "<li>No tags to display.</li>";
4410                         }
4411
4412                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4413                                 print "</ul>";
4414                         }
4415
4416                 }
4417
4418                 print "</ul>";
4419
4420         }
4421
4422         function get_article_tags($link, $id, $owner_uid = 0) {
4423
4424                 $a_id = db_escape_string($id);
4425
4426                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4427
4428                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name,
4429                         owner_uid as owner FROM
4430                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4431                                 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
4432
4433                 $tags = array();
4434
4435                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4436                         array_push($tags, $tmp_line["tag_name"]);
4437                 }
4438
4439                 return $tags;
4440         }
4441
4442         function trim_value(&$value) {
4443                 $value = trim($value);
4444         }
4445
4446         function trim_array($array) {
4447                 $tmp = $array;
4448                 array_walk($tmp, 'trim_value');
4449                 return $tmp;
4450         }
4451
4452         function tag_is_valid($tag) {
4453                 if ($tag == '') return false;
4454                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4455
4456                 $tag = iconv("utf-8", "utf-8", $tag);
4457                 if (!$tag) return false;
4458
4459                 return true;
4460         }
4461
4462         function render_login_form($link, $mobile = false) {
4463                 if (!$mobile) {
4464                         require_once "login_form.php";
4465                 } else {
4466                         require_once "mobile/login_form.php";
4467                 }
4468         }
4469
4470         // from http://developer.apple.com/internet/safari/faq.html
4471         function no_cache_incantation() {
4472                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4473                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4474                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4475                 header("Cache-Control: post-check=0, pre-check=0", false);
4476                 header("Pragma: no-cache"); // HTTP/1.0
4477         }
4478
4479         function format_warning($msg, $id = "") {
4480                 return "<div class=\"warning\" id=\"$id\">
4481                         <img src=\"images/sign_excl.gif\">$msg</div>";
4482         }
4483
4484         function format_notice($msg) {
4485                 return "<div class=\"notice\">
4486                         <img src=\"images/sign_info.gif\">$msg</div>";
4487         }
4488
4489         function format_error($msg) {
4490                 return "<div class=\"error\">
4491                         <img src=\"images/sign_excl.gif\">$msg</div>";
4492         }
4493
4494         function print_notice($msg) {
4495                 return print format_notice($msg);
4496         }
4497
4498         function print_warning($msg) {
4499                 return print format_warning($msg);
4500         }
4501
4502         function print_error($msg) {
4503                 return print format_error($msg);
4504         }
4505
4506
4507         function T_sprintf() {
4508                 $args = func_get_args();
4509                 return vsprintf(__(array_shift($args)), $args);
4510         }
4511
4512         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true) {
4513
4514                 /* we can figure out feed_id from article id anyway, why do we
4515                  * pass feed_id here? */
4516
4517                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4518                         WHERE ref_id = '$id'");
4519
4520                 $feed_id = db_fetch_result($result, 0, "feed_id");
4521
4522                 print "<article id='$id'><![CDATA[";
4523
4524                 $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4525                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4526
4527                 if (db_num_rows($result) == 1) {
4528                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4529                 } else {
4530                         $rtl_content = false;
4531                 }
4532
4533                 if ($rtl_content) {
4534                         $rtl_tag = "dir=\"RTL\"";
4535                         $rtl_class = "RTL";
4536                 } else {
4537                         $rtl_tag = "";
4538                         $rtl_class = "";
4539                 }
4540
4541                 if ($mark_as_read) {
4542                         $result = db_query($link, "UPDATE ttrss_user_entries
4543                                 SET unread = false,last_read = NOW()
4544                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4545                 }
4546
4547                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4548                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4549                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4550                         num_comments,
4551                         author
4552                         FROM ttrss_entries,ttrss_user_entries
4553                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4554
4555                 if ($result) {
4556
4557                         $link_target = "";
4558
4559                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4560                                 $link_target = "target=\"_new\"";
4561                         }
4562
4563                         $line = db_fetch_assoc($result);
4564
4565                         if ($line["icon_url"]) {
4566                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4567                         } else {
4568                                 $feed_icon = "&nbsp;";
4569                         }
4570
4571 /*                      if ($line["comments"] && $line["link"] != $line["comments"]) {
4572                                 $entry_comments = "(<a href=\"".$line["comments"]."\">Comments</a>)";
4573                         } else {
4574                                 $entry_comments = "";
4575                         } */
4576
4577                         $num_comments = $line["num_comments"];
4578                         $entry_comments = "";
4579
4580                         if ($num_comments > 0) {
4581                                 if ($line["comments"]) {
4582                                         $comments_url = $line["comments"];
4583                                 } else {
4584                                         $comments_url = $line["link"];
4585                                 }
4586                                 $entry_comments = "<a $link_target href=\"$comments_url\">$num_comments comments</a>";
4587                         } else {
4588                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4589                                         $entry_comments = "<a $link_target href=\"".$line["comments"]."\">comments</a>";
4590                                 }
4591                         }
4592
4593                         print "<div class=\"postReply\">";
4594
4595                         print "<div class=\"postHeader\">";
4596
4597                         $entry_author = $line["author"];
4598
4599                         if ($entry_author) {
4600                                 $entry_author = __(" - ") . $entry_author;
4601                         }
4602
4603                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4604                                 strtotime($line["updated"]));
4605
4606                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4607
4608                         if ($line["link"]) {
4609                                 print "<div clear='both'><a $link_target href=\"" . $line["link"] . "\">" .
4610                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4611                         } else {
4612                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4613                         }
4614
4615 /*                      $tmp_result = db_query($link, "SELECT DISTINCT tag_name FROM
4616                                 ttrss_tags WHERE post_int_id = " . $line["int_id"] . "
4617                                 ORDER BY tag_name"); */
4618
4619                         $tags = get_article_tags($link, $id);
4620
4621                         $tags_str = "";
4622                         $f_tags_str = "";
4623
4624                         $num_tags = 0;
4625
4626                         if ($_SESSION["theme"] == "3pane") {
4627                                 $tag_limit = 3;
4628                         } else {
4629                                 $tag_limit = 6;
4630                         }
4631
4632                         foreach ($tags as $tag) {
4633                                 $num_tags++;
4634                                 $tag_escaped = str_replace("'", "\\'", $tag);
4635
4636                                 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>, ";
4637
4638                                 if ($num_tags == $tag_limit) {
4639                                         $tags_str .= "&hellip;";
4640
4641                                 } else if ($num_tags < $tag_limit) {
4642                                         $tags_str .= $tag_str;
4643                                 }
4644                                 $f_tags_str .= $tag_str;
4645                         }
4646
4647                         $tags_str = preg_replace("/, $/", "", $tags_str);
4648                         $f_tags_str = preg_replace("/, $/", "", $f_tags_str);
4649
4650                         $all_tags_div = "<span class='cdmAllTagsCtr'>&hellip;<div class='cdmAllTags'>All Tags: $f_tags_str</div></span>";
4651                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
4652
4653                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4654
4655                         if (!$tags_str) $tags_str = '<span class="tagList">'.__('no tags').'</span>';
4656
4657                         print "<div style='float : right'>
4658                                 <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>
4659                                 $tags_str
4660                                 <a title=\"Edit tags for this article\"
4661                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a></div>
4662                                 <div clear='both'>$entry_comments</div>";
4663
4664                         print "</div>";
4665
4666                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4667                         print "<div class=\"postContent\">";
4668
4669                         #print "<div id=\"allEntryTags\">".__('Tags:')." $f_tags_str</div>";
4670
4671                         $line["content"] = sanitize_rss($link, $line["content"]);
4672
4673                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4674                                 $line["content"] = preg_replace("/href=/i", "target=\"_new\" href=", $line["content"]);
4675                         }
4676
4677                         print $line["content"];
4678
4679                         $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4680                                 post_id = '$id' AND content_url != ''");
4681
4682                         if (db_num_rows($result) > 0) {
4683                                 print "<div class=\"postEnclosures\">";
4684
4685                                 if (db_num_rows($result) == 1) {
4686                                         print __("Attachment:") . " ";
4687                                 } else {
4688                                         print __("Attachments:") . " ";
4689                                 }
4690
4691                                 $entries = array();
4692
4693                                 while ($line = db_fetch_assoc($result)) {
4694
4695                                         $url = $line["content_url"];
4696                                         $ctype = $line["content_type"];
4697
4698                                         if (!$ctype) $ctype = __("unknown type");
4699
4700                                         $filename = substr($url, strrpos($url, "/")+1);
4701
4702                                         $entry = "<a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4703                                                 $filename . " (" . $ctype . ")" . "</a>";
4704
4705                                         array_push($entries, $entry);
4706                                 }
4707
4708                                 print join(", ", $entries);
4709
4710                                 print "</div>";
4711                         }
4712
4713                         print "</div>";
4714
4715                         print "</div>";
4716
4717                 }
4718
4719                 print "]]></article>";
4720
4721         }
4722
4723         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4724                                         $next_unread_feed, $offset) {
4725
4726                 $disable_cache = false;
4727
4728                 $timing_info = getmicrotime();
4729
4730                 $topmost_article_ids = array();
4731
4732                 if (!$offset) {
4733                         $offset = 0;
4734                 }
4735
4736                 if ($subop == "undefined") $subop = "";
4737
4738                 if ($subop == "CatchupSelected") {
4739                         $ids = split(",", db_escape_string($_GET["ids"]));
4740                         $cmode = sprintf("%d", $_GET["cmode"]);
4741
4742                         catchupArticlesById($link, $ids, $cmode);
4743                 }
4744
4745                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4746                         update_generic_feed($link, $feed, $cat_view, true);
4747                 }
4748
4749                 if ($subop == "MarkAllRead")  {
4750                         catchup_feed($link, $feed, $cat_view);
4751
4752                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4753                                 if ($next_unread_feed) {
4754                                         $feed = $next_unread_feed;
4755                                 }
4756                         }
4757                 }
4758
4759                 if ($feed_id > 0) {
4760                         $result = db_query($link,
4761                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4762
4763                         if (db_num_rows($result) == 0) {
4764                                 print "<div align='center'>".__('Feed not found.')."</div>";
4765                                 return;
4766                         }
4767                 }
4768
4769                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4770
4771                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4772                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4773
4774                         if (db_num_rows($result) == 1) {
4775                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4776                         } else {
4777                                 $rtl_content = false;
4778                         }
4779
4780                         if ($rtl_content) {
4781                                 $rtl_tag = "dir=\"RTL\"";
4782                         } else {
4783                                 $rtl_tag = "";
4784                         }
4785                 } else {
4786                         $rtl_tag = "";
4787                         $rtl_content = false;
4788                 }
4789
4790                 $script_dt_add = get_script_dt_add();
4791
4792                 /// START /////////////////////////////////////////////////////////////////////////////////
4793
4794                 $search = db_escape_string($_GET["query"]);
4795
4796                 if ($search) {
4797                         $disable_cache = true;
4798                 }
4799
4800                 $search_mode = db_escape_string($_GET["search_mode"]);
4801                 $match_on = db_escape_string($_GET["match_on"]);
4802
4803                 if (!$match_on) {
4804                         $match_on = "both";
4805                 }
4806
4807                 $real_offset = $offset * $limit;
4808
4809                 if ($_GET["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4810
4811                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4812                         $search, $search_mode, $match_on, false, $real_offset);
4813
4814                 if ($_GET["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4815
4816                 $result = $qfh_ret[0];
4817                 $feed_title = $qfh_ret[1];
4818                 $feed_site_url = $qfh_ret[2];
4819                 $last_error = $qfh_ret[3];
4820
4821                 if ($feed == -2) {
4822                         $feed_site_url = article_publish_url($link);
4823                 }
4824
4825                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4826
4827                 if (!$offset) {
4828                         print "<div id=\"headlinesContainer\" $rtl_tag>";
4829
4830                         if (!$result) {
4831                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4832                                 return;
4833                         }
4834
4835                         print_headline_subtoolbar($link, $feed_site_url, $feed_title, false,
4836                                 $rtl_content, $feed, $cat_view, $search, $match_on, $search_mode,
4837                                 $offset, $limit);
4838
4839                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4840                 }
4841
4842                 $headlines_count = db_num_rows($result);
4843
4844                 if (db_num_rows($result) > 0) {
4845
4846 #                       print "\{$offset}";
4847
4848                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4849                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
4850                                         cellspacing=\"0\">";
4851                         }
4852
4853                         $lnum = $limit*$offset;
4854
4855                         error_reporting (DEFAULT_ERROR_LEVEL);
4856
4857                         $num_unread = 0;
4858                         $cur_feed_title = '';
4859
4860                         while ($line = db_fetch_assoc($result)) {
4861
4862                                 $class = ($lnum % 2) ? "even" : "odd";
4863
4864                                 $id = $line["id"];
4865                                 $feed_id = $line["feed_id"];
4866
4867                                 if (count($topmost_article_ids) < 5) {
4868                                         array_push($topmost_article_ids, $id);
4869                                 }
4870
4871                                 if ($line["last_read"] == "" &&
4872                                                 ($line["unread"] != "t" && $line["unread"] != "1")) {
4873
4874                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\"
4875                                                 alt=\"Updated\">";
4876                                 } else {
4877                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
4878                                                 alt=\"Updated\">";
4879                                 }
4880
4881                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
4882                                         $class .= "Unread";
4883                                         ++$num_unread;
4884                                         $is_unread = true;
4885                                 } else {
4886                                         $is_unread = false;
4887                                 }
4888
4889                                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4890
4891                                 if ($is_ie) {
4892                                         $mark_img_ext = "gif";
4893                                 } else {
4894                                         $mark_img_ext = "png";
4895                                 }
4896
4897                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
4898                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.$mark_img_ext\"
4899                                                 class=\"markedPic\"
4900                                                 alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
4901                                 } else {
4902                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.$mark_img_ext\"
4903                                                 class=\"markedPic\"
4904                                                 alt=\"Star article\" onclick='javascript:tMark($id)'>";
4905                                 }
4906
4907                                 if ($line["published"] == "t" || $line["published"] == "1") {
4908                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\"
4909                                                 class=\"markedPic\"
4910                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
4911                                 } else {
4912                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\"
4913                                                 class=\"markedPic\"
4914                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
4915                                 }
4916
4917 #                               $content_link = "<a target=\"_new\" href=\"".$line["link"]."\">" .
4918 #                                       $line["title"] . "</a>";
4919
4920                                 $content_link = "<a href=\"javascript:view($id,$feed_id);\">" .
4921                                         $line["title"] . "</a>";
4922
4923 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
4924 #                                       $line["title"] . "</a>";
4925
4926                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4927                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
4928                                 } else {
4929                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4930                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
4931                                 }
4932
4933                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4934                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
4935                                                 100);
4936                                 }
4937
4938                                 $score = $line["score"];
4939
4940                                 if ($score > 100) {
4941                                         $score_pic = "score_high.png";
4942                                 } else {
4943                                         $score_pic = "score_neutral.png";
4944                                 }
4945
4946                                 $score_title = __("(Click to change)");
4947
4948                                 $score_pic = "<img src=\"images/$score_pic\"
4949                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">";
4950
4951                                 $entry_author = $line["author"];
4952
4953                                 if ($entry_author) {
4954                                         $entry_author = " - $entry_author";
4955                                 }
4956
4957                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4958
4959                                         if (defined('_VFEED_GROUP_BY_FEED')) {
4960                                                 if ($line["feed_title"] != $cur_feed_title) {
4961 /*                                                      print "<tr class='feedTitle'><td colspan='7'>".
4962                                                                 $line["feed_title"].
4963                                                                 " (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
4964                                                                 "more</a>)</td></tr>"; */
4965
4966                                                         print "<tr class='feedTitle'><td colspan='7'>".
4967                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
4968                                                                 $line["feed_title"]."</a>:</td></tr>";
4969
4970                                                         $cur_feed_title = $line["feed_title"];
4971                                                 }
4972                                         }
4973
4974                                         print "<tr class='$class' id='RROW-$id'>";
4975
4976                                         print "<td class='hlUpdPic'>$update_pic</td>";
4977
4978                                         print "<td class='hlSelectRow'>
4979                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
4980                                                         id=\"RCHK-$id\">
4981                                                 </td>";
4982
4983                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
4984                                         print "<td class='hlMarkedPic'>$published_pic</td>";
4985
4986 #                                       if ($line["feed_title"]) {
4987 #                                               print "<td class='hlContent'>$content_link</td>";
4988 #                                               print "<td class='hlFeed'>
4989 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
4990 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
4991 #                                       } else {
4992
4993
4994                                         if ($score > 500) {
4995                                                 $hlc_suffix = "H";
4996                                         } else if ($score < -100) {
4997                                                 $hlc_suffix = "L";
4998                                         } else {
4999                                                 $hlc_suffix = "";
5000                                         }
5001
5002                                         print "<td class='hlContent$hlc_suffix' valign='middle'>";
5003
5004                                         print "<a href=\"javascript:view($id,$feed_id);\">" .
5005                                                 $line["title"];
5006
5007                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5008                                                 if ($content_preview) {
5009                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5010                                                 }
5011                                         }
5012
5013                                         print "</a>";
5014
5015 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5016 #                                                       $line["feed_title"]."</a>
5017
5018                                         if (!defined('_VFEED_GROUP_BY_FEED')) {
5019                                                 if ($line["feed_title"]) {
5020                                                         print "<span class=\"hlFeed\">
5021                                                                 (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5022                                                                 $line["feed_title"]."</a>)
5023                                                         </span>";
5024                                                 }
5025                                         }
5026
5027
5028                                         print "</td>";
5029
5030 #                                       }
5031
5032                                         print "<td class=\"hlUpdated\"><nobr>$updated_fmt&nbsp;</nobr></td>";
5033
5034                                         print "<td class='hlMarkedPic'>$score_pic</td>";
5035
5036                                         print "</tr>";
5037
5038                                 } else {
5039
5040                                         if (defined('_VFEED_GROUP_BY_FEED')) {
5041                                                 if ($line["feed_title"] != $cur_feed_title) {
5042                                                         print "<div class='cdmFeedTitle'>".
5043                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5044                                                                 $line["feed_title"]."</a></div>";
5045                                                         $cur_feed_title = $line["feed_title"];
5046                                                 }
5047                                         }
5048
5049                                         if ($is_unread) {
5050                                                 $add_class = "Unread";
5051                                         } else {
5052                                                 $add_class = "";
5053                                         }
5054
5055                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5056
5057                                         if ($expand_cdm) {
5058                                                 $cdm_cstyle = "";
5059                                         } else {
5060                                                 $cdm_cstyle = "style=\"display : none\"";
5061                                         }
5062
5063                                         print "<div class=\"cdmArticle$add_class\"
5064                                                 id=\"RROW-$id\" onmouseover='cdmMouseIn(this)'
5065                                                 onmouseout='cdmMouseOut(this)'>";
5066
5067                                         print "<div class=\"cdmHeader\">";
5068
5069                                         print "<div class=\"articleUpdated\">$updated_fmt</div>";
5070
5071                                         print "<a class=\"title\"
5072                                                 onclick=\"javascript:toggleUnread($id, 0)\"
5073                                                 target=\"_new\" href=\"".$line["link"]."\">".$line["title"]."</a>";
5074
5075                                         print $entry_author;
5076
5077                                         if (!$expand_cdm) {
5078                                                 print "&nbsp;<a id=\"CICH-$id\"
5079                                                         href=\"javascript:cdmExpandArticle($id)\">
5080                                                         (".__('Show article').")</a>";
5081                                         }
5082
5083
5084                                         if (!defined('_VFEED_GROUP_BY_FEED')) {
5085                                                 if ($line["feed_title"]) {
5086                                                         print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
5087                                                 }
5088                                         }
5089
5090                                         print "</div>";
5091
5092                                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
5093                                                 $line["content_preview"] = preg_replace("/href=/i",
5094                                                         "target=\"_new\" href=", $line["content_preview"]);
5095                                         }
5096
5097                                         print "<div class=\"cdmContent\" id=\"CICD-$id\" $cdm_cstyle>";
5098
5099 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
5100
5101                                         print $line["content_preview"];
5102
5103                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
5104                                                 post_id = '$id' AND content_url != ''");
5105
5106                                         if (db_num_rows($e_result) > 0) {
5107                                 print "<div class=\"cdmEnclosures\">";
5108
5109                                 if (db_num_rows($e_result) == 1) {
5110                                         print __("Attachment:") . " ";
5111                                 } else {
5112                                         print __("Attachments:") . " ";
5113                                 }
5114
5115                                 $entries = array();
5116
5117                                 while ($e_line = db_fetch_assoc($e_result)) {
5118
5119                                         $url = $e_line["content_url"];
5120                                         $ctype = $e_line["content_type"];
5121                                         if (!$ctype) $ctype = __("unknown type");
5122
5123                                         $filename = substr($url, strrpos($url, "/")+1);
5124
5125                                         $entry = "<a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5126                                                 $filename . " (" . $ctype . ")" . "</a>";
5127
5128                                         array_push($entries, $entry);
5129                                 }
5130
5131                                 print join(", ", $entries);
5132
5133                                 print "</div>";
5134                         }
5135
5136                                         print "<br clear='both'>";
5137 //                                      print "</div>";
5138
5139 /*                                      if (!$expand_cdm) {
5140                                                 print "<a id=\"CICH-$id\"
5141                                                         href=\"javascript:cdmExpandArticle($id)\">
5142                                                         Show article</a>";
5143                                         } */
5144
5145                                         print "</div>";
5146
5147                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5148
5149                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5150
5151                                         print __("Select:").
5152                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5153                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5154
5155                                         print "</span><span class='s1'>$marked_pic</span> ";
5156                                         print "<span class='s1'>$published_pic</span> ";
5157
5158                                         $tags = get_article_tags($link, $id);
5159
5160                                         $tags_str = "";
5161                                         $full_tags_str = "";
5162                                         $num_tags = 0;
5163
5164                                         foreach ($tags as $tag) {
5165                                                 $num_tags++;
5166                                                 $full_tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
5167                                                 if ($num_tags < 5) {
5168                                                         $tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
5169                                                 } else if ($num_tags == 5) {
5170                                                         $tags_str .= "&hellip;";
5171                                                 }
5172                                         }
5173
5174                                         $tags_str = preg_replace("/, $/", "", $tags_str);
5175                                         $full_tags_str = preg_replace("/, $/", "", $full_tags_str);
5176
5177                                         $all_tags_div = "<span class='cdmAllTagsCtr'>&hellip;<div class='cdmAllTags'>All Tags: $full_tags_str</div></span>";
5178
5179                                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
5180
5181
5182                                         if ($tags_str == "") $tags_str = "no tags";
5183
5184 //                                      print "<img src='images/tag.png' class='markedPic'>";
5185
5186                                         print "<span class='s1'>
5187                                                 <img class='tagsPic' src='images/tag.png' alt='Tags'
5188                                                         title='Tags'> $tags_str <a title=\"Edit tags for this article\"
5189                                                         href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5190
5191                                         print "</span>";
5192
5193                                         print "<span class='s2'>Toggle: <a class=\"cdmToggleLink\"
5194                                                         href=\"javascript:toggleUnread($id)\">
5195                                                         Unread</a></span>";
5196
5197                                         print "</div>";
5198                                         print "</div>";
5199
5200                                 }
5201
5202                                 ++$lnum;
5203                         }
5204
5205                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5206                                 print "</table>";
5207                         }
5208
5209 //                      print_headline_subtoolbar($link,
5210 //                              "javascript:catchupPage()", "Mark page as read", true, $rtl_content);
5211
5212
5213                 } else {
5214                         $message = "";
5215
5216                         switch ($view_mode) {
5217                                 case "unread":
5218                                         $message = __("No unread articles found to display.");
5219                                         break;
5220                                 case "marked":
5221                                         $message = __("No starred articles found to display.");
5222                                         break;
5223                                 default:
5224                                         $message = __("No articles found to display.");
5225                         }
5226
5227                         if (!$offset) print "<div class='whiteBox'>$message</div>";
5228                 }
5229
5230                 if (!$offset) {
5231                         print "</div>";
5232                         print "</div>";
5233                 }
5234
5235                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache);
5236         }
5237
5238 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5239
5240         function printTagCloud($link) {
5241
5242                 /* get first ref_id to count from */
5243
5244                 /*
5245
5246                 $query = "";
5247
5248                 if (DB_TYPE == "pgsql") {
5249                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
5250                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
5251                                 AND date_entered > NOW() - INTERVAL '30 days'";
5252                 } else {
5253                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
5254                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
5255                                 AND date_entered > DATE_SUB(NOW(), INTERVAL 30 DAY)";
5256                 }
5257
5258                 $result = db_query($link, $query);
5259                 $first_id = db_fetch_result($result, 0, "id"); */
5260
5261                 //AND post_int_id >= '$first_id'
5262                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5263                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5264                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5265
5266                 $result = db_query($link, $query);
5267
5268                 $tags = array();
5269
5270                 while ($line = db_fetch_assoc($result)) {
5271                         $tags[$line["tag_name"]] = $line["count"];
5272                 }
5273
5274                 ksort($tags);
5275
5276                 $max_size = 32; // max font size in pixels
5277                 $min_size = 11; // min font size in pixels
5278
5279                 // largest and smallest array values
5280                 $max_qty = max(array_values($tags));
5281                 $min_qty = min(array_values($tags));
5282
5283                 // find the range of values
5284                 $spread = $max_qty - $min_qty;
5285                 if ($spread == 0) { // we don't want to divide by zero
5286                                 $spread = 1;
5287                 }
5288
5289                 // set the font-size increment
5290                 $step = ($max_size - $min_size) / ($spread);
5291
5292                 // loop through the tag array
5293                 foreach ($tags as $key => $value) {
5294                         // calculate font-size
5295                         // find the $value in excess of $min_qty
5296                         // multiply by the font-size increment ($size)
5297                         // and add the $min_size set above
5298                         $size = round($min_size + (($value - $min_qty) * $step));
5299
5300                         $key_escaped = str_replace("'", "\\'", $key);
5301
5302                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5303                                 $size . "px\" title=\"$value articles tagged with " .
5304                                 $key . '">' . $key . '</a> ';
5305                 }
5306         }
5307
5308         function print_checkpoint($n, $s) {
5309                 $ts = getmicrotime();
5310                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5311                 return $ts;
5312         }
5313
5314         function sanitize_tag($tag) {
5315                 $tag = trim($tag);
5316
5317                 $tag = mb_strtolower($tag, 'utf-8');
5318
5319                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5320
5321 //              $tag = str_replace('"', "", $tag);
5322 //              $tag = str_replace("+", " ", $tag);
5323                 $tag = str_replace("technorati tag: ", "", $tag);
5324
5325                 return $tag;
5326         }
5327
5328         function generate_publish_key() {
5329                 return sha1(uniqid(rand(), true));
5330         }
5331
5332         function article_publish_url($link) {
5333
5334                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5335
5336                 $url_path .= "?op=publish&key=" . get_pref($link, "_PREFS_PUBLISH_KEY");
5337
5338                 return $url_path;
5339         }
5340
5341         /**
5342          * Purge a feed contents, marked articles excepted.
5343          *
5344          * @param mixed $link The database connection.
5345          * @param integer $id The id of the feed to purge.
5346          * @return void
5347          */
5348         function clear_feed_articles($link, $id) {
5349                 $result = db_query($link, "DELETE FROM ttrss_user_entries
5350                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5351
5352                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5353                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5354         } // function clear_feed_articles
5355
5356         /**
5357          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5358          *
5359          * @return string The Mozilla Firefox feed adding URL.
5360          */
5361         function add_feed_url() {
5362                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5363                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5364                 return $url_path;
5365         } // function add_feed_url
5366
5367         /**
5368          * Encrypt a password in SHA1.
5369          *
5370          * @param string $pass The password to encrypt.
5371          * @param string $login A optionnal login.
5372          * @return string The encrypted password.
5373          */
5374         function encrypt_password($pass, $login = '') {
5375                 if ($login) {
5376                         return "SHA1X:" . sha1("$login:$pass");
5377                 } else {
5378                         return "SHA1:" . sha1($pass);
5379                 }
5380         } // function encrypt_password
5381
5382         /**
5383          * Update a feed batch.
5384          * Used by daemons to update n feeds by run.
5385          * Only update feed needing a update, and not being processed
5386          * by another process.
5387          *
5388          * @param mixed $link Database link
5389          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5390          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5391          * @param boolean $debug Set to false to disable debug output. Default to true.
5392          * @return void
5393          */
5394         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5395                 // Process all other feeds using last_updated and interval parameters
5396
5397                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5398                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5399                         if (DB_TYPE == "pgsql") {
5400                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5401                         } else {
5402                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5403                         }
5404                 } else {
5405                         $login_thresh_qpart = "";
5406                 }
5407
5408                 // Test if the feed need a update (update interval exceded).
5409                 if (DB_TYPE == "pgsql") {
5410                         $update_limit_qpart = "AND ((
5411                                         ttrss_feeds.update_interval = 0
5412                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5413                                 ) OR (
5414                                         ttrss_feeds.update_interval > 0
5415                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5416                                 ) OR ttrss_feeds.last_updated IS NULL)";
5417                 } else {
5418                         $update_limit_qpart = "AND ((
5419                                         ttrss_feeds.update_interval = 0
5420                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5421                                 ) OR (
5422                                         ttrss_feeds.update_interval > 0
5423                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5424                                 ) OR ttrss_feeds.last_updated IS NULL)";
5425                 }
5426
5427                 // Test if feed is currently being updated by another process.
5428                 if (DB_TYPE == "pgsql") {
5429                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5430                 } else {
5431                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5432                 }
5433
5434                 // Test if there is a limit to number of updated feeds
5435                 $query_limit = "";
5436                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5437
5438                 $random_qpart = sql_random_function();
5439
5440                 // We search for feed needing update.
5441                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5442                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5443                                 ttrss_feeds.update_interval
5444                         FROM
5445                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5446                         WHERE
5447                                 ttrss_feeds.owner_uid = ttrss_users.id
5448                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5449                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5450                                 $login_thresh_qpart $update_limit_qpart
5451                          $updstart_thresh_qpart
5452                         ORDER BY $random_qpart $query_limit");
5453
5454                 $user_prefs_cache = array();
5455
5456                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5457
5458                 // Here is a little cache magic in order to minimize risk of double feed updates.
5459                 $feeds_to_update = array();
5460                 while ($line = db_fetch_assoc($result)) {
5461                         $feeds_to_update[$line['id']] = $line;
5462                 }
5463
5464                 // We update the feed last update started date before anything else.
5465                 // There is no lag due to feed contents downloads
5466                 // It prevent an other process to update the same feed.
5467                 $feed_ids = array_keys($feeds_to_update);
5468                 if($feed_ids) {
5469                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5470                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5471                 }
5472
5473                 // For each feed, we call the feed update function.
5474                 while ($line = array_pop($feeds_to_update)) {
5475
5476                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5477
5478                         // We setup a alarm to alert if the feed take more than 300s to update.
5479                         // => HANG alarm.
5480                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(300);
5481                         update_rss_feed($link, $line["feed_url"], $line["id"], true);
5482                         // Cancel the alarm (the update went well)
5483                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(0);
5484
5485                         sleep(1); // prevent flood (FIXME make this an option?)
5486                 }
5487
5488         // Send feed digests by email if needed.
5489         if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5490
5491         } // function update_daemon_common
5492
5493         function generate_dashboard_feed($link) {
5494
5495                 print "<div id=\"headlinesContainer\">";
5496
5497                 print_headline_subtoolbar($link, "", "Dashboard",
5498                         false, false, -4, false, false, false,
5499                         false, 0, 0, true, true, "tag.png");
5500
5501                 print "<div id=\"headlinesInnerContainer\" class=\"dashboard\">";
5502                 print "<div>There is <b>666</b> unread articles in <b>666</b> feeds.</div>";
5503                 print "</div>";
5504
5505                 print "</div>";
5506
5507                 print "]]></headlines>";
5508                 print "<headlines-count value=\"0\"/>";
5509                 print "<headlines-unread value=\"0\"/>";
5510                 print "<disable-cache value=\"1\"/>";
5511
5512                 print "<articles>";
5513                 print "</articles>";
5514         }
5515
5516         function sanitize_article_content($text) {
5517                 # we don't support CDATA sections in articles, they break our own escaping
5518                 $text = preg_replace("/\[\[CDATA/", "", $text);
5519                 $text = preg_replace("/\]\]\>/", "", $text);
5520                 return $text;
5521         }
5522 ?>