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(date_entered,1,19) as date_entered,
1112                                                 substring(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                                         $result = db_query($link,
1165                                                 "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1166                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1167                                                         $dupcheck_qpart");
1168
1169                                         // okay it doesn't exist - create user entry
1170                                         if (db_num_rows($result) == 0) {
1171
1172                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1173                                                         _debug("update_rss_feed: user record not found, creating...");
1174                                                 }
1175
1176                                                 if (!find_article_filter($article_filters, 'catchup')) {
1177                                                         $unread = 'true';
1178                                                         $last_read_qpart = 'NULL';
1179                                                 } else {
1180                                                         $unread = 'false';
1181                                                         $last_read_qpart = 'NOW()';
1182                                                 }
1183
1184                                                 if (find_article_filter($article_filters, 'mark')) {
1185                                                         $marked = 'true';
1186                                                 } else {
1187                                                         $marked = 'false';
1188                                                 }
1189
1190                                                 if (find_article_filter($article_filters, 'publish')) {
1191                                                         $published = 'true';
1192                                                 } else {
1193                                                         $published = 'false';
1194                                                 }
1195
1196                                                 $result = db_query($link,
1197                                                         "INSERT INTO ttrss_user_entries
1198                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked, published)
1199                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1200                                                                 $last_read_qpart, $marked, $published)");
1201
1202                                                 $result = db_query($link,
1203                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1204                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1205                                                                 feed_id = '$feed' LIMIT 1");
1206
1207                                                 if (db_num_rows($result) == 1) {
1208                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1209                                                 }
1210                                         } else {
1211                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1212                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1213                                         }
1214
1215                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1216                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1217                                         }
1218
1219                                         $post_needs_update = false;
1220
1221                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1222                                                 ($content_hash != $orig_content_hash)) {
1223 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1224                                                 $post_needs_update = true;
1225                                         }
1226
1227                                         if (db_escape_string($orig_title) != $entry_title) {
1228                                                 $post_needs_update = true;
1229                                         }
1230
1231                                         if ($orig_num_comments != $num_comments) {
1232                                                 $post_needs_update = true;
1233                                         }
1234
1235 //                                      this doesn't seem to be very reliable
1236 //
1237 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1238 //                                              $post_needs_update = true;
1239 //                                      }
1240
1241                                         // if post needs update, update it and mark all user entries
1242                                         // linking to this post as updated
1243                                         if ($post_needs_update) {
1244
1245                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1246                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1247                                                 }
1248
1249 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1250
1251                                                 db_query($link, "UPDATE ttrss_entries
1252                                                         SET title = '$entry_title', content = '$entry_content',
1253                                                                 content_hash = '$content_hash',
1254                                                                 num_comments = '$num_comments'
1255                                                         WHERE id = '$ref_id'");
1256
1257                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1258                                                         db_query($link, "UPDATE ttrss_user_entries
1259                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1260                                                 } else {
1261                                                         db_query($link, "UPDATE ttrss_user_entries
1262                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1263                                                 }
1264
1265                                         }
1266                                 }
1267
1268                                 db_query($link, "COMMIT");
1269
1270                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1271                                         _debug("update_rss_feed: looking for enclosures...");
1272                                 }
1273
1274                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1275                                         print_r($enclosures);
1276                                 }
1277
1278                                 db_query($link, "BEGIN");
1279
1280                                 foreach ($enclosures as $enc) {
1281                                         $enc_url = db_escape_string($enc[0]);
1282                                         $enc_type = db_escape_string($enc[1]);
1283                                         $enc_dur = db_escape_string($enc[2]);
1284
1285                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1286                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1287
1288                                         if (db_num_rows($result) == 0) {
1289                                                 db_query($link, "INSERT INTO ttrss_enclosures
1290                                                         (content_url, content_type, title, duration, post_id) VALUES
1291                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1292                                         }
1293                                 }
1294
1295                                 db_query($link, "COMMIT");
1296
1297                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1298                                         _debug("update_rss_feed: looking for tags...");
1299                                 }
1300
1301                                 /* taaaags */
1302                                 // <a href="..." rel="tag">Xorg</a>, //
1303
1304                                 $entry_tags = null;
1305
1306                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
1307                                         $entry_content_unescaped, $entry_tags);
1308
1309 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1310                                 print_r($entry_tags);
1311                                 print "<br/></p>"; */
1312
1313                                 $entry_tags = $entry_tags[1];
1314
1315                                 # check for manual tags
1316
1317                                 $tag_filter = find_article_filter($article_filters, "tag");
1318
1319                                 if ($tag_filter) {
1320
1321                                         $manual_tags = trim_array(split(",", $tag_filter[1]));
1322
1323                                         foreach ($manual_tags as $tag) {
1324                                                 if (tag_is_valid($tag)) {
1325                                                         array_push($entry_tags, $tag);
1326                                                 }
1327                                         }
1328                                 }
1329
1330                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1331                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1332
1333                                 if ($additional_tags && is_array($additional_tags)) {
1334                                         foreach ($additional_tags as $tag) {
1335                                                 if (tag_is_valid($tag) &&
1336                                                                 array_search($tag, $boring_tags) === FALSE) {
1337                                                         array_push($entry_tags, $tag);
1338                                                 }
1339                                         }
1340                                 }
1341
1342 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1343
1344                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1345                                         print_r($entry_tags);
1346                                 }
1347
1348                                 if (count($entry_tags) > 0) {
1349
1350                                         db_query($link, "BEGIN");
1351
1352                                                 foreach ($entry_tags as $tag) {
1353
1354                                                         $tag = sanitize_tag($tag);
1355                                                         $tag = db_escape_string($tag);
1356
1357                                                         if (!tag_is_valid($tag)) continue;
1358
1359                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
1360                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1361                                                                 owner_uid = '$owner_uid' LIMIT 1");
1362
1363         //                                              print db_fetch_result($result, 0, "id");
1364
1365                                                         if ($result && db_num_rows($result) == 0) {
1366
1367                                                                 db_query($link, "INSERT INTO ttrss_tags
1368                                                                         (owner_uid,tag_name,post_int_id)
1369                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1370                                                         }
1371                                                 }
1372
1373                                         db_query($link, "COMMIT");
1374                                 }
1375
1376                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1377                                         _debug("update_rss_feed: article processed");
1378                                 }
1379                         }
1380
1381                         db_query($link, "UPDATE ttrss_feeds
1382                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1383
1384 //                      db_query($link, "COMMIT");
1385
1386                 } else {
1387
1388                         if ($use_simplepie) {
1389                                 $error_msg = mb_substr($rss->error(), 0, 250);
1390                         } else {
1391                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1392                         }
1393
1394                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1395                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1396                         }
1397
1398                         $error_msg = db_escape_string($error_msg);
1399
1400                         db_query($link,
1401                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1402                                         last_updated = NOW() WHERE id = '$feed'");
1403                 }
1404
1405                 if ($use_simplepie) {
1406                         unset($rss);
1407                 }
1408
1409                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1410                         _debug("update_rss_feed: done");
1411                 }
1412
1413         }
1414
1415         function print_select($id, $default, $values, $attributes = "") {
1416                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1417                 foreach ($values as $v) {
1418                         if ($v == $default)
1419                                 $sel = " selected";
1420                          else
1421                                 $sel = "";
1422
1423                         print "<option$sel>$v</option>";
1424                 }
1425                 print "</select>";
1426         }
1427
1428         function print_select_hash($id, $default, $values, $attributes = "") {
1429                 print "<select name=\"$id\" id='$id' $attributes>";
1430                 foreach (array_keys($values) as $v) {
1431                         if ($v == $default)
1432                                 $sel = "selected";
1433                          else
1434                                 $sel = "";
1435
1436                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1437                 }
1438
1439                 print "</select>";
1440         }
1441
1442         function get_article_filters($filters, $title, $content, $link) {
1443                 $matches = array();
1444
1445                 if ($filters["title"]) {
1446                         foreach ($filters["title"] as $filter) {
1447                                 $reg_exp = $filter["reg_exp"];
1448                                 $inverse = $filter["inverse"];
1449                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
1450                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1451
1452                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1453                                 }
1454                         }
1455                 }
1456
1457                 if ($filters["content"]) {
1458                         foreach ($filters["content"] as $filter) {
1459                                 $reg_exp = $filter["reg_exp"];
1460                                 $inverse = $filter["inverse"];
1461
1462                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
1463                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1464
1465                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1466                                 }
1467                         }
1468                 }
1469
1470                 if ($filters["both"]) {
1471                         foreach ($filters["both"] as $filter) {
1472                                 $reg_exp = $filter["reg_exp"];
1473                                 $inverse = $filter["inverse"];
1474
1475                                 if ($inverse) {
1476                                         if (!preg_match("/$reg_exp/i", $title) || !preg_match("/$reg_exp/i", $content)) {
1477                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1478                                         }
1479                                 } else {
1480                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1481                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1482                                         }
1483                                 }
1484                         }
1485                 }
1486
1487                 if ($filters["link"]) {
1488                         $reg_exp = $filter["reg_exp"];
1489                         foreach ($filters["link"] as $filter) {
1490                                 $reg_exp = $filter["reg_exp"];
1491                                 $inverse = $filter["inverse"];
1492
1493                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1494                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1495
1496                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1497                                 }
1498                         }
1499                 }
1500
1501                 return $matches;
1502         }
1503
1504         function find_article_filter($filters, $filter_name) {
1505                 foreach ($filters as $f) {
1506                         if ($f[0] == $filter_name) {
1507                                 return $f;
1508                         };
1509                 }
1510                 return false;
1511         }
1512
1513         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1514                 $rtl_content = false, $last_updated = false, $last_error = false) {
1515
1516                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1517                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1518                 } else {
1519                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1520                 }
1521
1522                 if ($rtl_content) {
1523                         $rtl_tag = "dir=\"rtl\"";
1524                 } else {
1525                         $rtl_tag = "dir=\"ltr\"";
1526                 }
1527
1528                 $error_notify_msg = "";
1529
1530                 if ($last_error) {
1531                         $link_title = "Error: $last_error ($last_updated)";
1532                         $error_notify_msg = "(Error)";
1533                 } else if ($last_updated) {
1534                         $link_title = "Updated: $last_updated";
1535                 }
1536
1537                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\"
1538                         href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
1539
1540                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1541                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1542                         print "$feed_icon";
1543                 }
1544
1545                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1546
1547                 if ($unread != 0) {
1548                         $fctr_class = "";
1549                 } else {
1550                         $fctr_class = "class=\"invisible\"";
1551                 }
1552
1553                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1554                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1555
1556                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1557                         print "<div class=\"feedExtInfo\">
1558                                 <span id=\"FLUPD-$feed_id\">$last_updated $error_notify_msg</span></div>";
1559                 }
1560
1561                 print "</li>";
1562
1563         }
1564
1565         function getmicrotime() {
1566                 list($usec, $sec) = explode(" ",microtime());
1567                 return ((float)$usec + (float)$sec);
1568         }
1569
1570         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1571                 foreach ($values as $v) {
1572
1573                         if ($v == $default)
1574                                 $sel = "checked";
1575                          else
1576                                 $sel = "";
1577
1578                         if ($v == $true_is) {
1579                                 $sel .= " value=\"1\"";
1580                         } else {
1581                                 $sel .= " value=\"0\"";
1582                         }
1583
1584                         print "<input class=\"noborder\"
1585                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1586
1587                 }
1588         }
1589
1590         function initialize_user_prefs($link, $uid) {
1591
1592                 $uid = db_escape_string($uid);
1593
1594                 db_query($link, "BEGIN");
1595
1596                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1597
1598                 $u_result = db_query($link, "SELECT pref_name
1599                         FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
1600
1601                 $active_prefs = array();
1602
1603                 while ($line = db_fetch_assoc($u_result)) {
1604                         array_push($active_prefs, $line["pref_name"]);
1605                 }
1606
1607                 while ($line = db_fetch_assoc($result)) {
1608                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1609 //                              print "adding " . $line["pref_name"] . "<br>";
1610
1611                                 db_query($link, "INSERT INTO ttrss_user_prefs
1612                                         (owner_uid,pref_name,value) VALUES
1613                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1614
1615                         }
1616                 }
1617
1618                 db_query($link, "COMMIT");
1619
1620         }
1621
1622         function lookup_user_id($link, $user) {
1623
1624                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1625                         login = '$login'");
1626
1627                 if (db_num_rows($result) == 1) {
1628                         return db_fetch_result($result, 0, "id");
1629                 } else {
1630                         return false;
1631                 }
1632         }
1633
1634         function http_authenticate_user($link) {
1635
1636                 error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1637
1638                 if (!$_SERVER["PHP_AUTH_USER"]) {
1639
1640                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1641                         header('HTTP/1.0 401 Unauthorized');
1642                         exit;
1643
1644                 } else {
1645                         $auth_result = authenticate_user($link,
1646                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1647
1648                         if (!$auth_result) {
1649                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1650                                 header('HTTP/1.0 401 Unauthorized');
1651                                 exit;
1652                         }
1653                 }
1654
1655                 return true;
1656         }
1657
1658         function authenticate_user($link, $login, $password, $force_auth = false) {
1659
1660                 if (!SINGLE_USER_MODE) {
1661
1662                         $pwd_hash1 = encrypt_password($password);
1663                         $pwd_hash2 = encrypt_password($password, $login);
1664
1665                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1666                                         && $_SERVER["REMOTE_USER"]) {
1667
1668                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1669
1670                                 $query = "SELECT id,login,access_level
1671                     FROM ttrss_users WHERE
1672                                         login = '$login'";
1673
1674                         } else {
1675                                 $query = "SELECT id,login,access_level,pwd_hash
1676                     FROM ttrss_users WHERE
1677                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1678                                                 pwd_hash = '$pwd_hash2')";
1679                         }
1680
1681                         $result = db_query($link, $query);
1682
1683                         if (db_num_rows($result) == 1) {
1684                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1685                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1686                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1687
1688                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1689                                         $_SESSION["uid"]);
1690
1691                                 $user_theme = get_user_theme_path($link);
1692
1693                                 $_SESSION["theme"] = $user_theme;
1694                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1695                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1696
1697                                 initialize_user_prefs($link, $_SESSION["uid"]);
1698
1699                                 return true;
1700                         }
1701
1702                         return false;
1703
1704                 } else {
1705
1706                         $_SESSION["uid"] = 1;
1707                         $_SESSION["name"] = "admin";
1708
1709                         $user_theme = get_user_theme_path($link);
1710
1711                         $_SESSION["theme"] = $user_theme;
1712                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1713
1714                         initialize_user_prefs($link, $_SESSION["uid"]);
1715
1716                         return true;
1717                 }
1718         }
1719
1720         function make_password($length = 8) {
1721
1722                 $password = "";
1723                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1724
1725         $i = 0;
1726
1727                 while ($i < $length) {
1728                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1729
1730                         if (!strstr($password, $char)) {
1731                                 $password .= $char;
1732                                 $i++;
1733                         }
1734                 }
1735                 return $password;
1736         }
1737
1738         // this is called after user is created to initialize default feeds, labels
1739         // or whatever else
1740
1741         // user preferences are checked on every login, not here
1742
1743         function initialize_user($link, $uid) {
1744
1745                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1746                         values ('$uid','unread = true', 'Unread articles')");
1747
1748                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1749                         values ('$uid','last_read is null and unread = false', 'Updated articles')");
1750
1751                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1752                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1753                         'http://tt-rss.spb.ru/releases.rss')");
1754
1755                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1756                         values ('$uid', 'Tiny Tiny RSS: Forum',
1757                         'http://tt-rss.spb.ru/forum/rss.php')");
1758         }
1759
1760         function logout_user() {
1761                 session_destroy();
1762                 if (isset($_COOKIE[session_name()])) {
1763                    setcookie(session_name(), '', time()-42000, '/');
1764                 }
1765         }
1766
1767         function get_script_urlpath() {
1768                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1769         }
1770
1771         function validate_session($link) {
1772                 if (SINGLE_USER_MODE) {
1773                         return true;
1774                 }
1775
1776                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1777                         if ($_SESSION["ip_address"]) {
1778                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1779                                         $_SESSION["login_error_msg"] = "Session failed to validate (incorrect IP)";
1780                                         return false;
1781                                 }
1782                         }
1783                 }
1784
1785                 if ($_SESSION["uid"]) {
1786
1787                         $result = db_query($link,
1788                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1789
1790                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1791
1792                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1793                                 return false;
1794                         }
1795                 }
1796
1797 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1798
1799                         //print_r($_SESSION);
1800
1801                         if (time() > $_SESSION["cookie_lifetime"]) {
1802                                 return false;
1803                         }
1804                 } */
1805
1806                 return true;
1807         }
1808
1809         function login_sequence($link, $mobile = false) {
1810                 if (!SINGLE_USER_MODE) {
1811
1812                         if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1813                                 $swu = db_escape_string($_REQUEST["swu"]);
1814                                 if ($swu) {
1815                                         $_SESSION["prefs_cache"] = false;
1816                                         return authenticate_user($link, $swu, null, true);
1817                                 }
1818                         }
1819
1820                         $login_action = $_POST["login_action"];
1821
1822                         # try to authenticate user if called from login form
1823                         if ($login_action == "do_login") {
1824                                 $login = $_POST["login"];
1825                                 $password = $_POST["password"];
1826                                 $remember_me = $_POST["remember_me"];
1827
1828                                 if (authenticate_user($link, $login, $password)) {
1829                                         $_POST["password"] = "";
1830
1831                                         $_SESSION["language"] = $_POST["language"];
1832
1833                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1834                                         exit;
1835
1836                                         return;
1837                                 } else {
1838                                         $_SESSION["login_error_msg"] = "Incorrect username or password";
1839                                 }
1840                         }
1841
1842 //                      print session_id();
1843 //                      print_r($_SESSION);
1844
1845                         if (!$_SESSION["uid"] || !validate_session($link)) {
1846                                 render_login_form($link, $mobile);
1847                                 exit;
1848                         } else {
1849                                 /* bump login timestamp */
1850                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1851                                         $_SESSION["uid"]);
1852
1853                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1854                                         setcookie("ttrss_lang", $_SESSION["language"],
1855                                                 time() + SESSION_COOKIE_LIFETIME);
1856                                 }
1857                         }
1858
1859                 } else {
1860                         return authenticate_user($link, "admin", null);
1861                 }
1862         }
1863
1864         function truncate_string($str, $max_len) {
1865                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1866                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
1867                 } else {
1868                         return $str;
1869                 }
1870         }
1871
1872         function get_user_theme_path($link) {
1873                 $result = db_query($link, "SELECT theme_path
1874                         FROM
1875                                 ttrss_themes,ttrss_users
1876                         WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1877                 if (db_num_rows($result) != 0) {
1878                         return db_fetch_result($result, 0, "theme_path");
1879                 } else {
1880                         return null;
1881                 }
1882         }
1883
1884         function smart_date_time($timestamp) {
1885                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1886                         return date("G:i", $timestamp);
1887                 } else if (date("Y", $timestamp) == date("Y")) {
1888                         return date("M d, G:i", $timestamp);
1889                 } else {
1890                         return date("Y/m/d, G:i", $timestamp);
1891                 }
1892         }
1893
1894         function smart_date($timestamp) {
1895                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1896                         return "Today";
1897                 } else if (date("Y", $timestamp) == date("Y")) {
1898                         return date("D m", $timestamp);
1899                 } else {
1900                         return date("Y/m/d", $timestamp);
1901                 }
1902         }
1903
1904         function sql_bool_to_string($s) {
1905                 if ($s == "t" || $s == "1") {
1906                         return "true";
1907                 } else {
1908                         return "false";
1909                 }
1910         }
1911
1912         function sql_bool_to_bool($s) {
1913                 if ($s == "t" || $s == "1") {
1914                         return true;
1915                 } else {
1916                         return false;
1917                 }
1918         }
1919
1920
1921         function toggleEvenOdd($a) {
1922                 if ($a == "even")
1923                         return "odd";
1924                 else
1925                         return "even";
1926         }
1927
1928         function sanity_check($link) {
1929
1930                 error_reporting(0);
1931
1932                 $error_code = 0;
1933                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
1934                 $schema_version = db_fetch_result($result, 0, "schema_version");
1935
1936                 if ($schema_version != SCHEMA_VERSION) {
1937                         $error_code = 5;
1938                 }
1939
1940                 if (DB_TYPE == "mysql") {
1941                         $result = db_query($link, "SELECT true", false);
1942                         if (db_num_rows($result) != 1) {
1943                                 $error_code = 10;
1944                         }
1945                 }
1946
1947                 error_reporting (DEFAULT_ERROR_LEVEL);
1948
1949                 if ($error_code != 0) {
1950                         print_error_xml($error_code);
1951                         return false;
1952                 } else {
1953                         return true;
1954                 }
1955         }
1956
1957         function file_is_locked($filename) {
1958                 if (function_exists('flock')) {
1959                         error_reporting(0);
1960                         $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
1961                         error_reporting(DEFAULT_ERROR_LEVEL);
1962                         if ($fp) {
1963                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1964                                         flock($fp, LOCK_UN);
1965                                         fclose($fp);
1966                                         return false;
1967                                 }
1968                                 fclose($fp);
1969                                 return true;
1970                         } else {
1971                                 return false;
1972                         }
1973                 }
1974                 return true; // consider the file always locked and skip the test
1975         }
1976
1977         function make_lockfile($filename) {
1978                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1979
1980                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1981                         return $fp;
1982                 } else {
1983                         return false;
1984                 }
1985         }
1986
1987         function make_stampfile($filename) {
1988                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1989
1990                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1991                         fwrite($fp, time() . "\n");
1992                         flock($fp, LOCK_UN);
1993                         fclose($fp);
1994                         return true;
1995                 } else {
1996                         return false;
1997                 }
1998         }
1999
2000         function read_stampfile($filename) {
2001
2002                 error_reporting(0);
2003                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2004                 error_reporting (DEFAULT_ERROR_LEVEL);
2005
2006                 if ($fp) {
2007                         if (flock($fp, LOCK_EX)) {
2008                                 $stamp = fgets($fp);
2009                                 flock($fp, LOCK_UN);
2010                                 fclose($fp);
2011                                 return $stamp;
2012                         } else {
2013                                 return false;
2014                         }
2015                 } else {
2016                         return false;
2017                 }
2018         }
2019
2020         function sql_random_function() {
2021                 if (DB_TYPE == "mysql") {
2022                         return "RAND()";
2023                 } else {
2024                         return "RANDOM()";
2025                 }
2026         }
2027
2028         function catchup_feed($link, $feed, $cat_view) {
2029
2030                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2031
2032                                 if ($cat_view) {
2033
2034                                         if ($feed > 0) {
2035                                                 $cat_qpart = "cat_id = '$feed'";
2036                                         } else {
2037                                                 $cat_qpart = "cat_id IS NULL";
2038                                         }
2039
2040                                         $tmp_result = db_query($link, "SELECT id
2041                                                 FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " .
2042                                                 $_SESSION["uid"]);
2043
2044                                         while ($tmp_line = db_fetch_assoc($tmp_result)) {
2045
2046                                                 $tmp_feed = $tmp_line["id"];
2047
2048                                                 db_query($link, "UPDATE ttrss_user_entries
2049                                                         SET unread = false,last_read = NOW()
2050                                                         WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
2051                                         }
2052
2053                                 } else if ($feed > 0) {
2054
2055                                         $tmp_result = db_query($link, "SELECT id
2056                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2057                                                 ORDER BY cat_id,title");
2058
2059                                         $parent_ids = array();
2060
2061                                         if (db_num_rows($tmp_result) > 0) {
2062                                                 while ($p = db_fetch_assoc($tmp_result)) {
2063                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2064                                                 }
2065
2066                                                 $children_qpart = implode(" OR ", $parent_ids);
2067
2068                                                 db_query($link, "UPDATE ttrss_user_entries
2069                                                         SET unread = false,last_read = NOW()
2070                                                         WHERE (feed_id = '$feed' OR $children_qpart)
2071                                                         AND owner_uid = " . $_SESSION["uid"]);
2072
2073                                         } else {
2074                                                 db_query($link, "UPDATE ttrss_user_entries
2075                                                         SET unread = false,last_read = NOW()
2076                                                         WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
2077                                         }
2078
2079                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2080
2081                                         if ($feed == -1) {
2082                                                 db_query($link, "UPDATE ttrss_user_entries
2083                                                         SET unread = false,last_read = NOW()
2084                                                         WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
2085                                         }
2086
2087                                         if ($feed == -2) {
2088                                                 db_query($link, "UPDATE ttrss_user_entries
2089                                                         SET unread = false,last_read = NOW()
2090                                                         WHERE published = true AND owner_uid = ".$_SESSION["uid"]);
2091                                         }
2092
2093                                         if ($feed == -3) {
2094
2095                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2096
2097                                                 if (DB_TYPE == "pgsql") {
2098                                                         $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
2099                                                 } else {
2100                                                         $match_part = "date_entered > DATE_SUB(NOW(),
2101                                                                 INTERVAL $intl HOUR) ";
2102                                                 }
2103
2104                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2105                                                         ttrss_user_entries WHERE $match_part AND
2106                                                         unread = true AND
2107                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2108                                                         owner_uid = ".$_SESSION["uid"]);
2109
2110                                                 $affected_ids = array();
2111
2112                                                 while ($line = db_fetch_assoc($result)) {
2113                                                         array_push($affected_ids, $line["id"]);
2114                                                 }
2115
2116                                                 catchupArticlesById($link, $affected_ids, 0);
2117                                         }
2118
2119                                 } else if ($feed < -10) { // label
2120
2121                                         // TODO make this more efficient
2122
2123                                         $label_id = -$feed - 11;
2124
2125                                         $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
2126                                                 WHERE id = '$label_id'");
2127
2128                                         if ($tmp_result) {
2129                                                 $sql_exp = db_fetch_result($tmp_result, 0, "sql_exp");
2130
2131                                                 db_query($link, "BEGIN");
2132
2133                                                 $tmp2_result = db_query($link,
2134                                                         "SELECT
2135                                                                 int_id
2136                                                         FROM
2137                                                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
2138                                                         WHERE
2139                                                                 ref_id = ttrss_entries.id AND
2140                                                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2141                                                                 $sql_exp AND
2142                                                                 ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
2143
2144                                                 while ($tmp_line = db_fetch_assoc($tmp2_result)) {
2145                                                         db_query($link, "UPDATE
2146                                                                 ttrss_user_entries
2147                                                         SET
2148                                                                 unread = false, last_read = NOW()
2149                                                         WHERE
2150                                                                 int_id = " . $tmp_line["int_id"]);
2151                                                 }
2152
2153                                                 db_query($link, "COMMIT");
2154
2155 /*                                              db_query($link, "UPDATE ttrss_user_entries,ttrss_entries
2156                                                         SET unread = false,last_read = NOW()
2157                                                         WHERE $sql_exp
2158                                                         AND ref_id = id
2159                                                         AND owner_uid = ".$_SESSION["uid"]); */
2160                                         }
2161                                 }
2162                         } else { // tag
2163                                 db_query($link, "BEGIN");
2164
2165                                 $tag_name = db_escape_string($feed);
2166
2167                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2168                                         WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
2169
2170                                 while ($line = db_fetch_assoc($result)) {
2171                                         db_query($link, "UPDATE ttrss_user_entries SET
2172                                                 unread = false, last_read = NOW()
2173                                                 WHERE int_id = " . $line["post_int_id"]);
2174                                 }
2175                                 db_query($link, "COMMIT");
2176                         }
2177         }
2178
2179         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2180                         if ($cat_view) {
2181
2182                                 if ($feed > 0) {
2183                                         $cat_qpart = "cat_id = '$feed'";
2184                                 } else {
2185                                         $cat_qpart = "cat_id IS NULL";
2186                                 }
2187
2188                                 $tmp_result = db_query($link, "SELECT id,feed_url FROM ttrss_feeds
2189                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2190
2191                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2192                                         $feed_url = $tmp_line["feed_url"];
2193                                         $feed_id = $tmp_line["id"];
2194                                         update_rss_feed($link, $feed_url, $feed_id, $force_update);
2195                                 }
2196
2197                         } else {
2198                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
2199                                         WHERE id = '$feed'");
2200                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
2201                                 update_rss_feed($link, $feed_url, $feed, $force_update);
2202                         }
2203         }
2204
2205         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2206 /*              getLabelCounters($link);
2207                 getFeedCounters($link);
2208                 getTagCounters($link);
2209                 getGlobalCounters($link);
2210                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
2211                         getCategoryCounters($link);
2212                 } */
2213
2214                 if (!$omode) $omode = "flc";
2215
2216                 getGlobalCounters($link);
2217
2218                 if (strchr($omode, "l")) getLabelCounters($link);
2219                 if (strchr($omode, "f")) getFeedCounters($link, SMART_RPC_COUNTERS, $active_feed);
2220                 if (strchr($omode, "t")) getTagCounters($link);
2221                 if (strchr($omode, "c")) {
2222                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2223                                 getCategoryCounters($link);
2224                         }
2225                 }
2226         }
2227
2228         function getCategoryCounters($link) {
2229                 # two special categories are -1 and -2 (all virtuals; all labels)
2230
2231                 $ctr = getCategoryUnread($link, -1);
2232
2233                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>";
2234
2235                 $ctr = getCategoryUnread($link, -2);
2236
2237                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
2238
2239                 $age_qpart = getMaxAgeSubquery();
2240
2241                 $result = db_query($link, "SELECT cat_id,SUM((SELECT COUNT(int_id)
2242                                 FROM ttrss_user_entries, ttrss_entries WHERE feed_id = ttrss_feeds.id
2243                                         AND id = ref_id AND $age_qpart
2244                                         AND unread = true)) AS unread FROM ttrss_feeds
2245                         WHERE
2246                                 hidden = false AND owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
2247
2248                 while ($line = db_fetch_assoc($result)) {
2249                         $line["cat_id"] = sprintf("%d", $line["cat_id"]);
2250                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
2251                                 $line["unread"]."\"/>";
2252                 }
2253         }
2254
2255         function getCategoryUnread($link, $cat) {
2256
2257                 if ($cat >= 0) {
2258
2259                         if ($cat != 0) {
2260                                 $cat_query = "cat_id = '$cat'";
2261                         } else {
2262                                 $cat_query = "cat_id IS NULL";
2263                         }
2264
2265                         $age_qpart = getMaxAgeSubquery();
2266
2267                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2268                                         AND hidden = false
2269                                         AND owner_uid = " . $_SESSION["uid"]);
2270
2271                         $cat_feeds = array();
2272                         while ($line = db_fetch_assoc($result)) {
2273                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2274                         }
2275
2276                         if (count($cat_feeds) == 0) return 0;
2277
2278                         $match_part = implode(" OR ", $cat_feeds);
2279
2280                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2281                                 FROM ttrss_user_entries,ttrss_entries
2282                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2283                                 AND $age_qpart AND owner_uid = " . $_SESSION["uid"]);
2284
2285                         $unread = 0;
2286
2287                         # this needs to be rewritten
2288                         while ($line = db_fetch_assoc($result)) {
2289                                 $unread += $line["unread"];
2290                         }
2291
2292                         return $unread;
2293                 } else if ($cat == -1) {
2294                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3);
2295                 } else if ($cat == -2) {
2296
2297                         $rv = getLabelCounters($link, false, true);
2298                         $ctr = 0;
2299
2300                         foreach (array_keys($rv) as $k) {
2301                                 if ($k < -10) {
2302                                         $ctr += $rv[$k]["counter"];
2303                                 }
2304                         }
2305
2306                         return $ctr;
2307                 }
2308         }
2309
2310         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2311                 if (DB_TYPE == "pgsql") {
2312                         return "ttrss_entries.date_entered >
2313                                 NOW() - INTERVAL '$days days'";
2314                 } else {
2315                         return "ttrss_entries.date_entered >
2316                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2317                 }
2318         }
2319
2320         function getFeedUnread($link, $feed, $is_cat = false) {
2321                 $n_feed = sprintf("%d", $feed);
2322
2323                 $age_qpart = getMaxAgeSubquery();
2324
2325                 if ($is_cat) {
2326                         return getCategoryUnread($link, $n_feed);
2327                 } else if ($n_feed == -1) {
2328                         $match_part = "marked = true";
2329                 } else if ($n_feed == -2) {
2330                         $match_part = "published = true";
2331                 } else if ($n_feed == -3) {
2332                         $match_part = "unread = true";
2333
2334                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2335
2336                         if (DB_TYPE == "pgsql") {
2337                                 $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2338                         } else {
2339                                 $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2340                         }
2341
2342                 } else if ($n_feed > 0) {
2343
2344                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2345                                         WHERE parent_feed = '$n_feed'
2346                                         AND hidden = false
2347                                         AND owner_uid = " . $_SESSION["uid"]);
2348
2349                         if (db_num_rows($result) > 0) {
2350
2351                                 $linked_feeds = array();
2352                                 while ($line = db_fetch_assoc($result)) {
2353                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2354                                 }
2355
2356                                 array_push($linked_feeds, "feed_id = $n_feed");
2357
2358                                 $match_part = implode(" OR ", $linked_feeds);
2359
2360                                 $result = db_query($link, "SELECT COUNT(int_id) AS unread
2361                                         FROM ttrss_user_entries,ttrss_entries
2362                                         WHERE   unread = true AND
2363                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2364                                         $age_qpart AND
2365                                         ($match_part) AND
2366                                         owner_uid = " . $_SESSION["uid"]);
2367
2368                                 $unread = 0;
2369
2370                                 # this needs to be rewritten
2371                                 while ($line = db_fetch_assoc($result)) {
2372                                         $unread += $line["unread"];
2373                                 }
2374
2375                                 return $unread;
2376
2377                         } else {
2378                                 $match_part = "feed_id = '$n_feed'";
2379                         }
2380                 } else if ($feed < -10) {
2381
2382                         $label_id = -$feed - 11;
2383
2384                         $result = db_query($link, "SELECT sql_exp FROM ttrss_labels WHERE
2385                                 id = '$label_id' AND owner_uid = " . $_SESSION["uid"]);
2386
2387                         $match_part = db_fetch_result($result, 0, "sql_exp");
2388                 }
2389
2390                 if ($match_part) {
2391
2392                         $result = db_query($link, "SELECT count(int_id) AS unread
2393                                 FROM ttrss_user_entries,ttrss_feeds,ttrss_entries WHERE
2394                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2395                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2396                                 ttrss_feeds.hidden = false AND
2397                                 $age_qpart AND
2398                                 unread = true AND ($match_part) AND ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
2399
2400                 } else {
2401
2402                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2403                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2404                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2405                                 AND unread = true AND $age_qpart AND
2406                                         ttrss_tags.owner_uid = " . $_SESSION["uid"]);
2407                 }
2408
2409                 $unread = db_fetch_result($result, 0, "unread");
2410
2411                 return $unread;
2412         }
2413
2414         /* FIXME this needs reworking */
2415
2416         function getGlobalUnread($link, $user_id = false) {
2417
2418                 if (!$user_id) {
2419                         $user_id = $_SESSION["uid"];
2420                 }
2421
2422                 $age_qpart = getMaxAgeSubquery();
2423
2424                 $result = db_query($link, "SELECT count(ttrss_entries.id) as c_id FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2425                         WHERE unread = true AND
2426                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
2427                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2428                         hidden = false AND
2429                         $age_qpart AND
2430                         ttrss_user_entries.owner_uid = '$user_id'");
2431                 $c_id = db_fetch_result($result, 0, "c_id");
2432                 return $c_id;
2433         }
2434
2435         function getGlobalCounters($link, $global_unread = -1) {
2436                 if ($global_unread == -1) {
2437                         $global_unread = getGlobalUnread($link);
2438                 }
2439                 print "<counter type=\"global\" id='global-unread'
2440                         counter='$global_unread'/>";
2441
2442                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2443                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2444
2445                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2446
2447                 print "<counter type=\"global\" id='subscribed-feeds'
2448                         counter='$subscribed_feeds'/>";
2449
2450         }
2451
2452         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
2453
2454                 if ($smart_mode) {
2455                         if (!$_SESSION["tctr_last_value"]) {
2456                                 $_SESSION["tctr_last_value"] = array();
2457                         }
2458                 }
2459
2460                 $old_counters = $_SESSION["tctr_last_value"];
2461
2462                 $tctrs_modified = false;
2463
2464 /*              $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
2465                         FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
2466                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2467                         ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
2468                         post_int_id = ttrss_user_entries.int_id AND unread = true GROUP BY tag_name
2469                 UNION
2470                         select tag_name,0 as count FROM ttrss_tags
2471                         WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]); */
2472
2473                 $age_qpart = getMaxAgeSubquery();
2474
2475                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2476                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2477                                 AND ref_id = id AND $age_qpart
2478                                 AND unread = true)) AS count FROM ttrss_tags
2479                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2480                                 ORDER BY count DESC LIMIT 55");
2481
2482                 $tags = array();
2483
2484                 while ($line = db_fetch_assoc($result)) {
2485                         $tags[$line["tag_name"]] += $line["count"];
2486                 }
2487
2488                 foreach (array_keys($tags) as $tag) {
2489                         $unread = $tags[$tag];
2490
2491                         $tag = htmlspecialchars($tag);
2492
2493                         if (!$smart_mode || $old_counters[$tag] != $unread) {
2494                                 $old_counters[$tag] = $unread;
2495                                 $tctrs_modified = true;
2496                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2497                         }
2498
2499                 }
2500
2501                 if ($smart_mode && $tctrs_modified) {
2502                         $_SESSION["tctr_last_value"] = $old_counters;
2503                 }
2504
2505         }
2506
2507         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2508
2509                 $age_qpart = getMaxAgeSubquery();
2510
2511                 if ($smart_mode) {
2512                         if (!$_SESSION["lctr_last_value"]) {
2513                                 $_SESSION["lctr_last_value"] = array();
2514                         }
2515                 }
2516
2517                 $ret_arr = array();
2518
2519                 $old_counters = $_SESSION["lctr_last_value"];
2520                 $lctrs_modified = false;
2521
2522                 $count = getFeedUnread($link, -1);
2523
2524                 if (!$ret_mode) {
2525                         print "<counter type=\"label\" id=\"-1\" counter=\"$count\"/>";
2526                 } else {
2527                         $ret_arr["-1"]["counter"] = $count;
2528                         $ret_arr["-1"]["description"] = __("Starred articles");
2529                 }
2530
2531                 $count = getFeedUnread($link, -2);
2532
2533                 if (!$ret_mode) {
2534                         print "<counter type=\"label\" id=\"-2\" counter=\"$count\"/>";
2535                 } else {
2536                         $ret_arr["-2"]["counter"] = $count;
2537                         $ret_arr["-2"]["description"] = __("Published articles");
2538                 }
2539
2540                 $count = getFeedUnread($link, -3);
2541
2542                 if (!$ret_mode) {
2543                         print "<counter type=\"label\" id=\"-3\" counter=\"$count\"/>";
2544                 } else {
2545                         $ret_arr["-3"]["counter"] = $count;
2546                         $ret_arr["-3"]["description"] = __("Fresh articles");
2547                 }
2548
2549
2550                 $result = db_query($link, "SELECT owner_uid,id,sql_exp,description FROM
2551                         ttrss_labels WHERE owner_uid = ".$_SESSION["uid"]." ORDER by description");
2552
2553                 while ($line = db_fetch_assoc($result)) {
2554
2555                         $id = -$line["id"] - 11;
2556
2557                         $label_name = $line["description"];
2558
2559                         error_reporting (0);
2560
2561                         $tmp_result = db_query($link, "SELECT count(ttrss_entries.id) as count FROM ttrss_user_entries,ttrss_entries,ttrss_feeds
2562                                 WHERE (" . $line["sql_exp"] . ") AND unread = true AND
2563                                 ttrss_feeds.hidden = false AND
2564                                 $age_qpart AND
2565                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2566                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2567                                 ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
2568
2569                         $count = db_fetch_result($tmp_result, 0, "count");
2570
2571                         if (!$smart_mode || $old_counters[$id] != $count) {
2572                                 $old_counters[$id] = $count;
2573                                 $lctrs_modified = true;
2574                                 if (!$ret_mode) {
2575                                         print "<counter type=\"label\" id=\"$id\" counter=\"$count\"/>";
2576                                 } else {
2577                                         $ret_arr[$id]["counter"] = $count;
2578                                         $ret_arr[$id]["description"] = $label_name;
2579                                 }
2580                         }
2581
2582                         error_reporting (DEFAULT_ERROR_LEVEL);
2583                 }
2584
2585                 if ($smart_mode && $lctrs_modified) {
2586                         $_SESSION["lctr_last_value"] = $old_counters;
2587                 }
2588
2589                 return $ret_arr;
2590         }
2591
2592 /*      function getFeedCounter($link, $id) {
2593
2594                 $result = db_query($link, "SELECT
2595                                 count(id) as count,last_error
2596                         FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2597                         WHERE feed_id = '$id' AND unread = true
2598                         AND ttrss_user_entries.feed_id = ttrss_feeds.id
2599                         AND ttrss_user_entries.ref_id = ttrss_entries.id");
2600
2601                         $count = db_fetch_result($result, 0, "count");
2602                         $last_error = htmlspecialchars(db_fetch_result($result, 0, "last_error"));
2603
2604                         print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" error=\"$last_error\"/>";
2605         } */
2606
2607         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS, $active_feed = false) {
2608
2609                 $age_qpart = getMaxAgeSubquery();
2610
2611                 if ($smart_mode) {
2612                         if (!$_SESSION["fctr_last_value"]) {
2613                                 $_SESSION["fctr_last_value"] = array();
2614                         }
2615                 }
2616
2617                 $old_counters = $_SESSION["fctr_last_value"];
2618
2619 /*              $result = db_query($link, "SELECT id,last_error,parent_feed,
2620                         ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated,
2621                         (SELECT count(id)
2622                                 FROM ttrss_entries,ttrss_user_entries
2623                                 WHERE feed_id = ttrss_feeds.id AND
2624                                         ttrss_user_entries.ref_id = ttrss_entries.id
2625                                 AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
2626                         FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"] . "
2627                         AND parent_feed IS NULL"); */
2628
2629                 $query = "SELECT ttrss_feeds.id,
2630                                 ttrss_feeds.title,
2631                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2632                                 last_error,
2633                                 COUNT(ttrss_entries.id) AS count
2634                         FROM ttrss_feeds
2635                                 LEFT JOIN ttrss_user_entries ON (ttrss_user_entries.feed_id = ttrss_feeds.id
2636                                         AND ttrss_user_entries.owner_uid = ttrss_feeds.owner_uid
2637                                         AND ttrss_user_entries.unread = true)
2638                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id AND
2639                                         $age_qpart)
2640                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2641                                 AND parent_feed IS NULL
2642                         GROUP BY ttrss_feeds.id, ttrss_feeds.title, ttrss_feeds.last_updated, last_error";
2643
2644                 $result = db_query($link, $query);
2645                 $fctrs_modified = false;
2646
2647                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2648
2649                 while ($line = db_fetch_assoc($result)) {
2650
2651                         $id = $line["id"];
2652                         $count = $line["count"];
2653                         $last_error = htmlspecialchars($line["last_error"]);
2654
2655                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2656                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2657                         } else {
2658                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2659                         }
2660
2661                         $last_updated = htmlspecialchars($last_updated);
2662
2663                         $has_img = is_file(ICONS_DIR . "/$id.ico");
2664
2665                         $tmp_result = db_query($link,
2666                                 "SELECT ttrss_feeds.id,COUNT(unread) AS unread
2667                                 FROM ttrss_feeds LEFT JOIN ttrss_user_entries
2668                                         ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
2669                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id)
2670                                 WHERE parent_feed = '$id' AND $age_qpart AND unread = true GROUP BY ttrss_feeds.id");
2671
2672                         if (db_num_rows($tmp_result) > 0) {
2673                                 while ($l = db_fetch_assoc($tmp_result)) {
2674                                         $count += $l["unread"];
2675                                 }
2676                         }
2677
2678                         if (!$smart_mode || $old_counters[$id] != $count) {
2679                                 $old_counters[$id] = $count;
2680                                 $fctrs_modified = true;
2681
2682                                 if ($last_error) {
2683                                         $error_part = "error=\"$last_error\"";
2684                                 } else {
2685                                         $error_part = "";
2686                                 }
2687
2688                                 if ($has_img) {
2689                                         $has_img_part = "hi=\"$has_img\"";
2690                                 } else {
2691                                         $has_img_part = "";
2692                                 }
2693
2694                                 if ($active_feed && $id == $active_feed) {
2695                                         $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2696                                 } else {
2697                                         $has_title_part = "";
2698                                 }
2699
2700                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $has_title_part/>";
2701                         }
2702                 }
2703
2704                 if ($smart_mode && $fctrs_modified) {
2705                         $_SESSION["fctr_last_value"] = $old_counters;
2706                 }
2707         }
2708
2709         function get_script_dt_add() {
2710                 if (strpos(VERSION, ".99") === false) {
2711                         return VERSION;
2712                 } else {
2713                         return time();
2714                 }
2715         }
2716
2717         function get_pgsql_version($link) {
2718                 $result = db_query($link, "SELECT version() AS version");
2719                 $version = split(" ", db_fetch_result($result, 0, "version"));
2720                 return $version[1];
2721         }
2722
2723         function print_error_xml($code, $add_msg = "") {
2724                 global $ERRORS;
2725
2726                 $error_msg = $ERRORS[$code];
2727
2728                 if ($add_msg) {
2729                         $error_msg = "$error_msg; $add_msg";
2730                 }
2731
2732                 print "<rpc-reply>";
2733                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2734                 print "</rpc-reply>";
2735         }
2736
2737         function subscribe_to_feed($link, $feed_link, $cat_id = 0,
2738                         $auth_login = '', $auth_pass = '') {
2739
2740                 # check for feed:http://url
2741                 $feed_link = trim(preg_replace("/^feed:/", "", $feed_link));
2742
2743                 # check for feed://URL
2744                 if (strpos($feed_link, "//") === 0) {
2745                         $feed_link = "http:$feed_link";
2746                 }
2747
2748                 if ($feed_link == "") return;
2749
2750                 if ($cat_id == "0" || !$cat_id) {
2751                         $cat_qpart = "NULL";
2752                 } else {
2753                         $cat_qpart = "'$cat_id'";
2754                 }
2755
2756                 $result = db_query($link,
2757                         "SELECT id FROM ttrss_feeds
2758                         WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
2759
2760                 if (db_num_rows($result) == 0) {
2761
2762                         $result = db_query($link,
2763                                 "INSERT INTO ttrss_feeds
2764                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2765                                 VALUES ('".$_SESSION["uid"]."', '$feed_link',
2766                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2767
2768                         $result = db_query($link,
2769                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link'
2770                                         AND owner_uid = " . $_SESSION["uid"]);
2771
2772                         $feed_id = db_fetch_result($result, 0, "id");
2773
2774                         if ($feed_id) {
2775                                 update_rss_feed($link, $feed_link, $feed_id, true);
2776                         }
2777
2778                         return true;
2779                 } else {
2780                         return false;
2781                 }
2782         }
2783
2784         function print_feed_select($link, $id, $default_id = "",
2785                 $attributes = "", $include_all_feeds = true) {
2786
2787                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2788                 if ($include_all_feeds) {
2789                         print "<option value=\"0\">".__('All feeds')."</option>";
2790                 }
2791
2792                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2793                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2794
2795                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2796                         print "<option disabled>--------</option>";
2797                 }
2798
2799                 while ($line = db_fetch_assoc($result)) {
2800                         if ($line["id"] == $default_id) {
2801                                 $is_selected = "selected";
2802                         } else {
2803                                 $is_selected = "";
2804                         }
2805                         printf("<option $is_selected value='%d'>%s</option>",
2806                                 $line["id"], htmlspecialchars($line["title"]));
2807                 }
2808
2809                 print "</select>";
2810         }
2811
2812         function print_feed_cat_select($link, $id, $default_id = "",
2813                 $attributes = "", $include_all_cats = true) {
2814
2815                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2816
2817                 if ($include_all_cats) {
2818                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2819                 }
2820
2821                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2822                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2823
2824                 if (db_num_rows($result) > 0 && $include_all_cats) {
2825                         print "<option disabled>--------</option>";
2826                 }
2827
2828                 while ($line = db_fetch_assoc($result)) {
2829                         if ($line["id"] == $default_id) {
2830                                 $is_selected = "selected";
2831                         } else {
2832                                 $is_selected = "";
2833                         }
2834                         printf("<option $is_selected value='%d'>%s</option>",
2835                                 $line["id"], htmlspecialchars($line["title"]));
2836                 }
2837
2838                 print "</select>";
2839         }
2840
2841         function checkbox_to_sql_bool($val) {
2842                 return ($val == "on") ? "true" : "false";
2843         }
2844
2845         function getFeedCatTitle($link, $id) {
2846                 if ($id == -1) {
2847                         return __("Special");
2848                 } else if ($id < -10) {
2849                         return __("Labels");
2850                 } else if ($id > 0) {
2851                         $result = db_query($link, "SELECT ttrss_feed_categories.title
2852                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2853                                         cat_id = ttrss_feed_categories.id");
2854                         if (db_num_rows($result) == 1) {
2855                                 return db_fetch_result($result, 0, "title");
2856                         } else {
2857                                 return __("Uncategorized");
2858                         }
2859                 } else {
2860                         return "getFeedCatTitle($id) failed";
2861                 }
2862
2863         }
2864
2865         function getFeedTitle($link, $id) {
2866                 if ($id == -1) {
2867                         return __("Starred articles");
2868                 } else if ($id == -2) {
2869                         return __("Published articles");
2870                 } else if ($id == -3) {
2871                         return __("Fresh articles");
2872                 } else if ($id < -10) {
2873                         $label_id = -10 - $id;
2874                         $result = db_query($link, "SELECT description FROM ttrss_labels WHERE id = '$label_id'");
2875                         if (db_num_rows($result) == 1) {
2876                                 return db_fetch_result($result, 0, "description");
2877                         } else {
2878                                 return "Unknown label ($label_id)";
2879                         }
2880
2881                 } else if ($id > 0) {
2882                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2883                         if (db_num_rows($result) == 1) {
2884                                 return db_fetch_result($result, 0, "title");
2885                         } else {
2886                                 return "Unknown feed ($id)";
2887                         }
2888                 } else {
2889                         return "getFeedTitle($id) failed";
2890                 }
2891
2892         }
2893
2894         function get_session_cookie_name() {
2895                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
2896         }
2897
2898         function print_init_params($link) {
2899                 print "<init-params>";
2900                 if ($_SESSION["stored-params"]) {
2901                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
2902                                 if ($key) {
2903                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
2904                                         print "<param key=\"$key\" value=\"$value\"/>";
2905                                 }
2906                         }
2907                 }
2908
2909                 print "<param key=\"theme\" value=\"".$_SESSION["theme"]."\"/>";
2910                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
2911                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
2912                 print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
2913
2914                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
2915                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
2916
2917                 print "<param key=\"hide_read_feeds\" value=\"" .
2918                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
2919
2920                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
2921                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
2922
2923                 print "<param key=\"confirm_feed_catchup\" value=\"" .
2924                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
2925
2926                 print "<param key=\"cdm_auto_catchup\" value=\"" .
2927                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
2928
2929                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
2930
2931                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
2932
2933                 print "<param key=\"default_view_mode\" value=\"" .
2934                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
2935
2936                 print "<param key=\"default_view_limit\" value=\"" .
2937                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
2938
2939                 print "<param key=\"prefs_active_tab\" value=\"" .
2940                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
2941
2942                 print "<param key=\"infobox_disable_overlay\" value=\"" .
2943                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
2944
2945                 print "<param key=\"icons_location\" value=\"" .
2946                         ICONS_URL . "\"/>";
2947
2948                 print "<param key=\"hide_read_shows_special\" value=\"" .
2949                         (int) get_pref($link, "HIDE_READ_SHOWS_SPECIAL") . "\"/>";
2950
2951                 print "<param key=\"hide_feedlist\" value=\"" .
2952                         (int) get_pref($link, "HIDE_FEEDLIST") . "\"/>";
2953
2954                 print "</init-params>";
2955         }
2956
2957         function print_runtime_info($link) {
2958                 print "<runtime-info>";
2959
2960                 if (ENABLE_UPDATE_DAEMON) {
2961                         print "<param key=\"daemon_is_running\" value=\"".
2962                                 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
2963
2964                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2965
2966                                 $stamp = (int)read_stampfile("update_daemon.stamp");
2967
2968 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
2969
2970                                 if ($stamp) {
2971                                         $stamp_delta = time() - $stamp;
2972
2973                                         if ($stamp_delta > 1800) {
2974                                                 $stamp_check = 0;
2975                                         } else {
2976                                                 $stamp_check = 1;
2977                                                 $_SESSION["daemon_stamp_check"] = time();
2978                                         }
2979
2980                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
2981
2982                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
2983
2984                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
2985                                 }
2986                         }
2987                 }
2988
2989                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
2990
2991                         if ($_SESSION["last_version_check"] + 7200 < time()) {
2992                                 $new_version_details = check_for_update($link);
2993
2994                                 print "<param key=\"new_version_available\" value=\"".
2995                                         sprintf("%d", $new_version_details != ""). "\"/>";
2996
2997                                 $_SESSION["last_version_check"] = time();
2998                         }
2999                 }
3000
3001 //              print "<param key=\"new_version_available\" value=\"1\"/>";
3002
3003                 print "</runtime-info>";
3004         }
3005
3006         function getSearchSql($search, $match_on) {
3007
3008                 $search_query_part = "";
3009
3010                 $keywords = split(" ", $search);
3011                 $query_keywords = array();
3012
3013                 if ($match_on == "both") {
3014
3015                         foreach ($keywords as $k) {
3016                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
3017                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3018                         }
3019
3020                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3021
3022                 } else if ($match_on == "title") {
3023
3024                         foreach ($keywords as $k) {
3025                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
3026                         }
3027
3028                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3029
3030                 } else if ($match_on == "content") {
3031
3032                         foreach ($keywords as $k) {
3033                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3034                         }
3035                 }
3036
3037                 $search_query_part = implode("AND", $query_keywords);
3038
3039                 return $search_query_part;
3040         }
3041
3042         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3043
3044                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3045
3046                         if ($search) {
3047
3048                                 $search_query_part = getSearchSql($search, $match_on);
3049                                 $search_query_part .= " AND ";
3050
3051                         } else {
3052                                 $search_query_part = "";
3053                         }
3054
3055                         $view_query_part = "";
3056
3057                         if ($view_mode == "adaptive") {
3058                                 if ($search) {
3059                                         $view_query_part = " ";
3060                                 } else if ($feed != -1) {
3061                                         $unread = getFeedUnread($link, $feed, $cat_view);
3062                                         if ($unread > 0) {
3063                                                 $view_query_part = " unread = true AND ";
3064                                         }
3065                                 }
3066                         }
3067
3068                         if ($view_mode == "marked") {
3069                                 $view_query_part = " marked = true AND ";
3070                         }
3071
3072                         if ($view_mode == "unread") {
3073                                 $view_query_part = " unread = true AND ";
3074                         }
3075
3076                         if ($limit > 0) {
3077                                 $limit_query_part = "LIMIT " . $limit;
3078                         }
3079
3080                         $vfeed_query_part = "";
3081
3082                         // override query strategy and enable feed display when searching globally
3083                         if ($search && $search_mode == "all_feeds") {
3084                                 $query_strategy_part = "ttrss_entries.id > 0";
3085                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3086                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3087                                 $query_strategy_part = "ttrss_entries.id > 0";
3088                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3089                                         id = feed_id) as feed_title,";
3090                         } else if ($feed >= 0 && $search && $search_mode == "this_cat") {
3091
3092                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3093
3094                                 $tmp_result = false;
3095
3096                                 if ($cat_view) {
3097                                         $tmp_result = db_query($link, "SELECT id
3098                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3099                                 } else {
3100                                         $tmp_result = db_query($link, "SELECT id
3101                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3102                                                         WHERE id = '$feed') AND id != '$feed'");
3103                                 }
3104
3105                                 $cat_siblings = array();
3106
3107                                 if (db_num_rows($tmp_result) > 0) {
3108                                         while ($p = db_fetch_assoc($tmp_result)) {
3109                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3110                                         }
3111
3112                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3113                                                 $feed, implode(" OR ", $cat_siblings));
3114
3115                                 } else {
3116                                         $query_strategy_part = "ttrss_entries.id > 0";
3117                                 }
3118
3119                         } else if ($feed >= 0) {
3120
3121                                 if ($cat_view) {
3122
3123                                         if ($feed > 0) {
3124                                                 $query_strategy_part = "cat_id = '$feed'";
3125                                         } else {
3126                                                 $query_strategy_part = "cat_id IS NULL";
3127                                         }
3128
3129                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3130
3131                                 } else {
3132                                         $tmp_result = db_query($link, "SELECT id
3133                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3134                                                 ORDER BY cat_id,title");
3135
3136                                         $parent_ids = array();
3137
3138                                         if (db_num_rows($tmp_result) > 0) {
3139                                                 while ($p = db_fetch_assoc($tmp_result)) {
3140                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3141                                                 }
3142
3143                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3144                                                         $feed, implode(" OR ", $parent_ids));
3145
3146                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3147                                         } else {
3148                                                 $query_strategy_part = "feed_id = '$feed'";
3149                                         }
3150                                 }
3151                         } else if ($feed == -1) { // starred virtual feed
3152                                 $query_strategy_part = "marked = true";
3153                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3154                         } else if ($feed == -2) { // published virtual feed
3155                                 $query_strategy_part = "published = true";
3156                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3157                         } else if ($feed == -3) { // fresh virtual feed
3158                                 $query_strategy_part = "unread = true";
3159
3160                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3161
3162                                 if (DB_TYPE == "pgsql") {
3163                                         $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
3164                                 } else {
3165                                         $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3166                                 }
3167
3168                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3169                         } else if ($feed <= -10) { // labels
3170                                 $label_id = -$feed - 11;
3171
3172                                 $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
3173                                         WHERE id = '$label_id'");
3174
3175                                 $query_strategy_part = db_fetch_result($tmp_result, 0, "sql_exp");
3176
3177                                 if (!$query_strategy_part) {
3178                                         return false;
3179                                 }
3180
3181                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3182                         } else {
3183                                 $query_strategy_part = "id > 0"; // dumb
3184                         }
3185
3186                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3187                                 $order_by = "updated";
3188                         } else {
3189                                 $order_by = "updated DESC";
3190                         }
3191
3192                         if ($override_order) {
3193                                 $order_by = $override_order;
3194                         }
3195
3196                         $feed_title = "";
3197
3198                         if ($search && $search_mode == "all_feeds") {
3199                                 $feed_title = __("Search results")." ($search)";
3200                         } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3201                                 $feed_title = __("Search results")." ($search, $feed)";
3202                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3203                                 $feed_title = $feed;
3204                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
3205
3206                                 if ($cat_view) {
3207
3208                                         if ($feed != 0) {
3209                                                 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
3210                                                         WHERE id = '$feed' AND owner_uid = $owner_uid");
3211                                                 $feed_title = db_fetch_result($result, 0, "title");
3212                                         } else {
3213                                                 $feed_title = __("Uncategorized");
3214                                         }
3215
3216                                         if ($search) {
3217                                                 $feed_title = __("Searched for")." $search ($feed_title)";
3218                                         }
3219
3220                                 } else {
3221
3222                                         $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds
3223                                                 WHERE id = '$feed' AND owner_uid = $owner_uid");
3224
3225                                         $feed_title = db_fetch_result($result, 0, "title");
3226                                         $feed_site_url = db_fetch_result($result, 0, "site_url");
3227                                         $last_error = db_fetch_result($result, 0, "last_error");
3228
3229                                         if ($search) {
3230                                                 $feed_title = __("Searched for") . " $search ($feed_title)";
3231                                         }
3232                                 }
3233
3234                         } else if ($feed == -1) {
3235                                 $feed_title = __("Starred articles");
3236                         } else if ($feed == -2) {
3237                                 $feed_title = __("Published articles");
3238                         } else if ($feed == -3) {
3239                                 $feed_title = __("Fresh articles");
3240                         } else if ($feed < -10) {
3241                                 $label_id = -$feed - 11;
3242                                 $result = db_query($link, "SELECT description FROM ttrss_labels
3243                                         WHERE id = '$label_id'");
3244                                 $feed_title = db_fetch_result($result, 0, "description");
3245
3246                                 if ($search) {
3247                                         $feed_title = __("Searched for") . " $search ($feed_title)";
3248                                 }
3249                         } else {
3250                                 $feed_title = "?";
3251                         }
3252
3253                         if ($feed < -10) error_reporting (0);
3254
3255                         $content_query_part = "content as content_preview,";
3256
3257                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3258
3259                                 if ($feed >= 0) {
3260                                         $feed_kind = "Feeds";
3261                                 } else {
3262                                         $feed_kind = "Labels";
3263                                 }
3264
3265                                 if ($limit_query_part) {
3266                                         $offset_query_part = "OFFSET $offset";
3267                                 }
3268
3269                                 $query = "SELECT
3270                                                 guid,
3271                                                 ttrss_entries.id,ttrss_entries.title,
3272                                                 updated,
3273                                                 unread,feed_id,marked,published,link,last_read,
3274                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3275                                                 $vfeed_query_part
3276                                                 $content_query_part
3277                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3278                                                 author
3279                                         FROM
3280                                                 ttrss_entries,ttrss_user_entries,ttrss_feeds
3281                                         WHERE
3282                                         ttrss_feeds.hidden = false AND
3283                                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
3284                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3285                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3286                                         $search_query_part
3287                                         $view_query_part
3288                                         $query_strategy_part ORDER BY $order_by
3289                                         $limit_query_part $offset_query_part";
3290
3291                                 $result = db_query($link, $query);
3292
3293                                 if ($_GET["debug"]) print $query;
3294
3295                         } else {
3296                                 // browsing by tag
3297
3298                                 $feed_kind = "Tags";
3299
3300                                 $result = db_query($link, "SELECT
3301                                         guid,
3302                                         ttrss_entries.id as id,title,
3303                                         updated,
3304                                         unread,feed_id,
3305                                         marked,link,last_read,
3306                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3307                                         $vfeed_query_part
3308                                         $content_query_part
3309                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms
3310                                         FROM
3311                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3312                                         WHERE
3313                                                 ref_id = ttrss_entries.id AND
3314                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3315                                                 post_int_id = int_id AND tag_name = '$feed' AND
3316                                                 $view_query_part
3317                                                 $search_query_part
3318                                                 $query_strategy_part ORDER BY $order_by
3319                                         $limit_query_part");
3320                         }
3321
3322                         return array($result, $feed_title, $feed_site_url, $last_error);
3323
3324         }
3325
3326         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3327                 $search, $search_mode, $match_on) {
3328
3329                 $qfh_ret = queryFeedHeadlines($link, $feed,
3330                         30, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3331                         $owner_uid);
3332
3333                 $result = $qfh_ret[0];
3334                 $feed_title = htmlspecialchars($qfh_ret[1]);
3335                 $feed_site_url = $qfh_ret[2];
3336                 $last_error = $qfh_ret[3];
3337
3338 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3339
3340                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3341                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3342                         <rss version=\"2.0\">
3343                         <channel>
3344                         <title>$feed_title</title>
3345                         <link>$feed_site_url</link>
3346                         <description>Feed generated by Tiny Tiny RSS</description>";
3347
3348                 while ($line = db_fetch_assoc($result)) {
3349                         print "<item>";
3350                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3351                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3352
3353                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3354
3355                         foreach ($tags as $tag) {
3356                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3357                         }
3358
3359                         $rfc822_date = date('r', strtotime($line["updated"]));
3360
3361                         print "<pubDate>$rfc822_date</pubDate>";
3362
3363                         print "<title>" .
3364                                 htmlspecialchars($line["title"]) . "</title>";
3365
3366                         print "<description><![CDATA[" .
3367                                 $line["content_preview"] . "]]></description>";
3368
3369                         print "</item>";
3370                 }
3371
3372                 print "</channel></rss>";
3373
3374         }
3375
3376         function getCategoryTitle($link, $cat_id) {
3377
3378                 if ($cat_id == -1) {
3379                         return __("Special");
3380                 } else if ($cat_id == -2) {
3381                         return __("Labels");
3382                 } else {
3383
3384                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3385                                 id = '$cat_id'");
3386
3387                         if (db_num_rows($result) == 1) {
3388                                 return db_fetch_result($result, 0, "title");
3389                         } else {
3390                                 return "Uncategorized";
3391                         }
3392                 }
3393         }
3394
3395         // http://ru2.php.net/strip-tags
3396
3397         function strip_tags_long($textstring, $allowed){
3398         while($textstring != strip_tags($textstring, $allowed))
3399     {
3400     while (strlen($textstring) != 0)
3401          {
3402          if (strlen($textstring) > 1024) {
3403               $otherlen = 1024;
3404          } else {
3405               $otherlen = strlen($textstring);
3406          }
3407          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3408          $safetext .= $temptext;
3409          $textstring = substr_replace($textstring,'',0,$otherlen);
3410          }
3411     $textstring = $safetext;
3412     }
3413         return $textstring;
3414         }
3415
3416
3417         function sanitize_rss($link, $str, $force_strip_tags = false) {
3418                 $res = $str;
3419
3420                 if (get_pref($link, "STRIP_UNSAFE_TAGS") || $force_strip_tags) {
3421
3422                         $res = strip_tags_long($res,
3423                                 "<p><a><i><em><b><strong><blockquote><br><img><div><span><ul><ol><li>");
3424
3425 //                      $res = preg_replace("/\r\n|\n|\r/", "", $res);
3426 //                      $res = strip_tags_long($res, "<p><a><i><em><b><strong><blockquote><br><img><div><span>");
3427                 }
3428
3429                 return $res;
3430         }
3431
3432         /**
3433          * Send by mail a digest of last articles.
3434          *
3435          * @param mixed $link The database connection.
3436          * @param integer $limit The maximum number of articles by digest.
3437          * @return boolean Return false if digests are not enabled.
3438          */
3439         function send_headlines_digests($link, $limit = 100) {
3440
3441                 if (!DIGEST_ENABLE) return false;
3442
3443                 $user_limit = DIGEST_EMAIL_LIMIT;
3444                 $days = 1;
3445
3446                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3447
3448                 if (DB_TYPE == "pgsql") {
3449                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3450                 } else if (DB_TYPE == "mysql") {
3451                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3452                 }
3453
3454                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3455                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3456
3457                 while ($line = db_fetch_assoc($result)) {
3458
3459                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3460                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3461
3462                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3463
3464                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3465                                 $digest = $tuple[0];
3466                                 $headlines_count = $tuple[1];
3467                                 $affected_ids = $tuple[2];
3468                                 $digest_text = $tuple[3];
3469
3470                                 if ($headlines_count > 0) {
3471
3472                                         $mail = new PHPMailer();
3473
3474                                         $mail->PluginDir = "phpmailer/";
3475                                         $mail->SetLanguage("en", "phpmailer/language/");
3476
3477                                         $mail->CharSet = "UTF-8";
3478
3479                                         $mail->From = DIGEST_FROM_ADDRESS;
3480                                         $mail->FromName = DIGEST_FROM_NAME;
3481                                         $mail->AddAddress($line["email"], $line["login"]);
3482
3483                                         if (DIGEST_SMTP_HOST) {
3484                                                 $mail->Host = DIGEST_SMTP_HOST;
3485                                                 $mail->Mailer = "smtp";
3486                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3487                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3488                                         }
3489
3490                                         $mail->IsHTML(true);
3491                                         $mail->Subject = DIGEST_SUBJECT;
3492                                         $mail->Body = $digest;
3493                                         $mail->AltBody = $digest_text;
3494
3495                                         $rc = $mail->Send();
3496
3497                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3498
3499                                         print "RC=$rc\n";
3500
3501                                         if ($rc && $do_catchup) {
3502                                                 print "Marking affected articles as read...\n";
3503                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3504                                         }
3505
3506                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3507                                                         WHERE id = " . $line["id"]);
3508                                 } else {
3509                                         print "No headlines\n";
3510                                 }
3511                         }
3512                 }
3513
3514                 print "All done.\n";
3515
3516         }
3517
3518         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3519
3520                 require_once "MiniTemplator.class.php";
3521
3522                 $tpl = new MiniTemplator;
3523                 $tpl_t = new MiniTemplator;
3524
3525                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3526                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3527
3528                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3529                 $tpl->setVariable('CUR_TIME', date('G:i'));
3530
3531                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3532                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3533
3534                 $affected_ids = array();
3535
3536                 if (DB_TYPE == "pgsql") {
3537                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3538                 } else if (DB_TYPE == "mysql") {
3539                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3540                 }
3541
3542                 $result = db_query($link, "SELECT ttrss_entries.title,
3543                                 ttrss_feeds.title AS feed_title,
3544                                 date_entered,
3545                                 ttrss_user_entries.ref_id,
3546                                 link,
3547                                 SUBSTRING(content, 1, 120) AS excerpt,
3548                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3549                         FROM
3550                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3551                         WHERE
3552                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3553                                 AND include_in_digest = true
3554                                 AND $interval_query
3555                                 AND hidden = false
3556                                 AND ttrss_user_entries.owner_uid = $user_id
3557                                 AND unread = true
3558                         ORDER BY ttrss_feeds.title, date_entered DESC
3559                         LIMIT $limit");
3560
3561                 $cur_feed_title = "";
3562
3563                 $headlines_count = db_num_rows($result);
3564
3565                 $headlines = array();
3566
3567                 while ($line = db_fetch_assoc($result)) {
3568                         array_push($headlines, $line);
3569                 }
3570
3571                 for ($i = 0; $i < sizeof($headlines); $i++) {
3572
3573                         $line = $headlines[$i];
3574
3575                         array_push($affected_ids, $line["ref_id"]);
3576
3577                         $updated = smart_date_time(strtotime($line["last_updated"]));
3578
3579                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3580                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3581                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3582                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3583                         $tpl->setVariable('ARTICLE_EXCERPT',
3584                                 truncate_string(strip_tags($line["excerpt"]), 100));
3585
3586                         $tpl->addBlock('article');
3587
3588                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3589                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3590                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3591                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3592 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3593 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3594
3595                         $tpl_t->addBlock('article');
3596
3597                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3598                                 $tpl->addBlock('feed');
3599                                 $tpl_t->addBlock('feed');
3600                         }
3601
3602                 }
3603
3604                 $tpl->addBlock('digest');
3605                 $tpl->generateOutputToString($tmp);
3606
3607                 $tpl_t->addBlock('digest');
3608                 $tpl_t->generateOutputToString($tmp_t);
3609
3610                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3611         }
3612
3613         function check_for_update($link, $brief_fmt = true) {
3614                 $releases_feed = "http://tt-rss.spb.ru/releases.rss";
3615
3616                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3617                         return;
3618                 }
3619
3620                 error_reporting(0);
3621                 if (ENABLE_SIMPLEPIE) {
3622                         $rss = new SimplePie();
3623                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3624 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3625                         $rss->set_feed_url($fetch_url);
3626                         $rss->set_output_encoding('UTF-8');
3627                         $rss->init();
3628                 } else {
3629                         $rss = fetch_rss($releases_feed);
3630                 }
3631                 error_reporting (DEFAULT_ERROR_LEVEL);
3632
3633                 if ($rss) {
3634
3635                         if (ENABLE_SIMPLEPIE) {
3636                                 $items = $rss->get_items();
3637                         } else {
3638                                 $items = $rss->items;
3639
3640                                 if (!$items || !is_array($items)) $items = $rss->entries;
3641                                 if (!$items || !is_array($items)) $items = $rss;
3642                         }
3643
3644                         if (!is_array($items) || count($items) == 0) {
3645                                 return;
3646                         }
3647
3648                         $latest_item = $items[0];
3649
3650                         if (ENABLE_SIMPLEPIE) {
3651                                 $last_title = $latest_item->get_title();
3652                         } else {
3653                                 $last_title = $latest_item["title"];
3654                         }
3655
3656                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3657
3658                         if (ENABLE_SIMPLEPIE) {
3659                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3660                                 $content = sanitize_rss($link, $latest_item->get_description());
3661                         } else {
3662                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3663                                 $content = sanitize_rss($link, $latest_item["description"]);
3664                         }
3665
3666                         if (version_compare(VERSION, $latest_version) == -1) {
3667                                 if ($brief_fmt) {
3668                                         return format_notice("<a href=\"javascript:showBlockElement('milestoneDetails')\">
3669                                                 New version of Tiny-Tiny RSS ($latest_version) is available (click for details)</a>
3670                                                 <div id=\"milestoneDetails\">$content</div>");
3671                                 } else {
3672                                         return "New version of Tiny-Tiny RSS ($latest_version) is available:
3673                                                 <div class='milestoneDetails'>$content</div>
3674                                                 Visit <a target=\"_new\" href=\"http://tt-rss.spb.ru/\">official site</a> for
3675                                                 download and update information.";
3676                                 }
3677
3678                         }
3679                 }
3680         }
3681
3682         function markArticlesById($link, $ids, $cmode) {
3683
3684                 $tmp_ids = array();
3685
3686                 foreach ($ids as $id) {
3687                         array_push($tmp_ids, "ref_id = '$id'");
3688                 }
3689
3690                 $ids_qpart = join(" OR ", $tmp_ids);
3691
3692                 if ($cmode == 0) {
3693                         db_query($link, "UPDATE ttrss_user_entries SET
3694                         marked = false,last_read = NOW()
3695                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3696                 } else if ($cmode == 1) {
3697                         db_query($link, "UPDATE ttrss_user_entries SET
3698                         marked = true
3699                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3700                 } else {
3701                         db_query($link, "UPDATE ttrss_user_entries SET
3702                         marked = NOT marked,last_read = NOW()
3703                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3704                 }
3705         }
3706
3707         function publishArticlesById($link, $ids, $cmode) {
3708
3709                 $tmp_ids = array();
3710
3711                 foreach ($ids as $id) {
3712                         array_push($tmp_ids, "ref_id = '$id'");
3713                 }
3714
3715                 $ids_qpart = join(" OR ", $tmp_ids);
3716
3717                 if ($cmode == 0) {
3718                         db_query($link, "UPDATE ttrss_user_entries SET
3719                         published = false,last_read = NOW()
3720                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3721                 } else if ($cmode == 1) {
3722                         db_query($link, "UPDATE ttrss_user_entries SET
3723                         published = true
3724                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3725                 } else {
3726                         db_query($link, "UPDATE ttrss_user_entries SET
3727                         published = NOT published,last_read = NOW()
3728                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3729                 }
3730         }
3731
3732         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
3733
3734                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3735
3736                 $tmp_ids = array();
3737
3738                 foreach ($ids as $id) {
3739                         array_push($tmp_ids, "ref_id = '$id'");
3740                 }
3741
3742                 $ids_qpart = join(" OR ", $tmp_ids);
3743
3744                 if ($cmode == 0) {
3745                         db_query($link, "UPDATE ttrss_user_entries SET
3746                         unread = false,last_read = NOW()
3747                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3748                 } else if ($cmode == 1) {
3749                         db_query($link, "UPDATE ttrss_user_entries SET
3750                         unread = true
3751                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3752                 } else {
3753                         db_query($link, "UPDATE ttrss_user_entries SET
3754                         unread = NOT unread,last_read = NOW()
3755                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3756                 }
3757         }
3758
3759         function catchupArticleById($link, $id, $cmode) {
3760
3761                 if ($cmode == 0) {
3762                         db_query($link, "UPDATE ttrss_user_entries SET
3763                         unread = false,last_read = NOW()
3764                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3765                 } else if ($cmode == 1) {
3766                         db_query($link, "UPDATE ttrss_user_entries SET
3767                         unread = true
3768                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3769                 } else {
3770                         db_query($link, "UPDATE ttrss_user_entries SET
3771                         unread = NOT unread,last_read = NOW()
3772                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3773                 }
3774         }
3775
3776         function make_guid_from_title($title) {
3777                 return preg_replace("/[ \"\',.:;]/", "-",
3778                         mb_strtolower(strip_tags($title), 'utf-8'));
3779         }
3780
3781         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
3782                         $bottom = false, $rtl_content = false, $feed_id = 0,
3783                         $is_cat = false, $search = false, $match_on = false,
3784                         $search_mode = false, $offset = 0, $limit = 0,
3785                         $dashboard_menu = 0, $disable_feed = 0, $feed_small_icon = 0) {
3786
3787                         $user_page_offset = $offset + 1;
3788
3789                         if (!$bottom) {
3790                                 $class = "headlinesSubToolbar";
3791                                 $tid = "headlineActionsTop";
3792                         } else {
3793                                 $class = "headlinesSubToolbar";
3794                                 $tid = "headlineActionsBottom";
3795                         }
3796
3797                         print "<table class=\"$class\" id=\"$tid\"
3798                                 width=\"100%\" cellspacing=\"0\" cellpadding=\"0\"><tr>";
3799
3800                         if ($rtl_content) {
3801                                 $rtl_cpart = "RTL";
3802                         } else {
3803                                 $rtl_cpart = "";
3804                         }
3805
3806                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
3807                         $page_next_link = "javascript:viewFeedGoPage(1)";
3808                         $page_first_link = "javascript:viewFeedGoPage(0)";
3809
3810                         $catchup_page_link = "javascript:catchupPage()";
3811                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
3812                         $catchup_sel_link = "javascript:catchupSelection()";
3813
3814                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
3815
3816                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
3817                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
3818                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
3819
3820                                 $tog_unread_link = "javascript:selectionToggleUnread()";
3821                                 $tog_marked_link = "javascript:selectionToggleMarked()";
3822                                 $tog_published_link = "javascript:selectionTogglePublished()";
3823
3824                         } else {
3825
3826                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
3827                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
3828                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
3829
3830                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
3831                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
3832                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
3833
3834                         }
3835
3836                         if (!$dashboard_menu) {
3837
3838                                 if (strpos($_SESSION["client.userAgent"], "MSIE") === false) {
3839
3840                                         print "<td class=\"headlineActions$rtl_cpart\">
3841                                                 <ul class=\"headlineDropdownMenu\">
3842                                                 <li class=\"top2\">
3843                                                 ".__('Select:')."
3844                                                         <a href=\"$sel_all_link\">".__('All')."</a>,
3845                                                         <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3846                                                         <a href=\"$sel_none_link\">".__('None')."</a></li>
3847                                                 <li class=\"vsep\">&nbsp;</li>
3848                                                 <li class=\"top\">".__('Toggle')."<ul>
3849                                                         <li onclick=\"$tog_unread_link\">".__('Unread')."</li>
3850                                                         <li onclick=\"$tog_marked_link\">".__('Starred')."</li>
3851                                                         <li onclick=\"$tog_published_link\">".__('Published')."</li>
3852                                                         </ul></li>
3853                                                 <li class=\"vsep\">&nbsp;</li>
3854                                                 <li class=\"top\">".__('Mark as read')."<ul>
3855                                                         <li onclick=\"$catchup_sel_link\">".__('Selection')."</li>
3856                                                         <!-- <li onclick=\"$catchup_page_link\">".__('This page')."</li> -->";
3857
3858                                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
3859
3860                                         print "
3861                                                         <li><span class=\"insensitive\">--------</span></li>
3862                                                         <li onclick=\"catchupRelativeToArticle(0)\">".__("Above active article")."</li>
3863                                                         <li onclick=\"catchupRelativeToArticle(1)\">".__("Below active article")."</li>
3864                                                         <li><span class=\"insensitive\">--------</span></li>";
3865                                         }
3866
3867                                         print "
3868                                                         <li onclick=\"$catchup_feed_link\">".__('Entire feed')."</li></ul></li>
3869                                                 ";
3870
3871                                                 $enable_pagination = get_pref($link, "_PREFS_ENABLE_PAGINATION");
3872
3873                                                 if ($limit != 0 && !$search && $enable_pagination) {
3874                                                         print "
3875                                                         <li class=\"vsep\">&nbsp;</li>
3876                                                         <li class=\"top\"><a href=\"$page_next_link\">".__('Next page')."</a><ul>
3877                                                                 <li onclick=\"$page_prev_link\">".__('Previous page')."</li>
3878                                                                 <li onclick=\"$page_first_link\">".__('First page')."</li></ul></li>
3879                                                                 </ul>";
3880                                                         }
3881
3882                                                 if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3883                                                         print "
3884                                                                 <li class=\"vsep\">&nbsp;</li>
3885                                                                 <li class=\"top3\">
3886                                                                 <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3887                                                                         '$match_on', '$feed_id', '$is_cat');\">
3888                                                                         ".__('Convert to label')."</a></td>";
3889                                                 }
3890                                                 print "
3891                                                 </td>";
3892
3893                                 } else {
3894                                 // old style subtoolbar:
3895
3896                                         print "<td class=\"headlineActions$rtl_cpart\">".
3897                                                 __('Select:')."
3898                                                                         <a href=\"$sel_all_link\">".__('All')."</a>,
3899                                                                         <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3900                                                                         <a href=\"$sel_none_link\">".__('None')."</a>
3901                                                         &nbsp;&nbsp;".
3902                                                         __('Toggle:')." <a href=\"$tog_unread_link\">".__('Unread')."</a>,
3903                                                                 <a href=\"$tog_marked_link\">".__('Starred')."</a>
3904                                                         &nbsp;&nbsp;".
3905                                                         __('Mark as read:')."
3906                                                                 <a href=\"#\" onclick=\"$catchup_page_link\">".__('Page')."</a>,
3907                                                                 <a href=\"#\" onclick=\"$catchup_feed_link\">".__('Feed')."</a>";
3908
3909                                         if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3910
3911                                                 print "&nbsp;&nbsp;
3912                                                                 <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3913                                                                         '$match_on', '$feed_id', '$is_cat');\">
3914                                                                 ".__('Convert to label')."</a>";
3915                                         }
3916
3917                                         print "</td>";
3918
3919                                 }
3920                         } else { // dashboard menu actions
3921
3922                                         print "<td class=\"headlineActions$rtl_cpart\">
3923                                                 <ul class=\"headlineDropdownMenu\">
3924                                                 <li class=\"top2\">
3925                                                         <a href=\"#\" onclick=\"return displayDlg('quickAddFeed');\">".
3926                                                                 __('Subscribe to feed')."</a>
3927                                                 </li>
3928                                                 <li class=\"vsep\">&nbsp;</li>
3929                                                 <li class=\"top\">".__('Placeholder')."<ul>
3930                                                         <li onclick=\"\">".__('Placeholder')."</li>
3931                                                         <li onclick=\"\">".__('Placeholder')."</li>
3932                                                         <li onclick=\"\">".__('Placeholder')."</li>
3933                                                         </ul></li>
3934                                                 <li class=\"vsep\">&nbsp;</li>
3935                                                 <li class=\"top\">".__('Show')."<ul>
3936                                                         <li onclick=\"\">".__('Update errors')."</li>
3937                                                         </ul></li></ul>";
3938
3939                                         print "</td>";
3940
3941                         }
3942
3943 /*                      if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3944                                 print "<td class=\"headlineActions$rtl_cpart\">
3945                                         <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3946                                                         '$match_on', '$feed_id', '$is_cat');\">
3947                                                 ".__('Convert to Label')."</a></td>";
3948 } */
3949
3950                         print "<td class=\"headlineTitle$rtl_cpart\">";
3951
3952                         print "<span class=\"headlineInnerTitle\">";
3953
3954                         if ($feed_site_url) {
3955                                 if (!$bottom) {
3956                                         $target = "target=\"_new\"";
3957                                 }
3958                                 print "<a $target href=\"$feed_site_url\">".
3959                                         truncate_string($feed_title,30)."</a>";
3960                         } else {
3961                                 print $feed_title;
3962                         }
3963
3964                         if ($search) {
3965                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
3966                         }
3967
3968                         if ($user_page_offset > 1) {
3969                                 print " [$user_page_offset] ";
3970                         }
3971
3972                         print "</span>";
3973
3974                         if (!$bottom && !$disable_feed) {
3975                                 print "
3976                                         <a target=\"_new\"
3977                                                 href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
3978                                                 <img class=\"noborder\"
3979                                                         alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
3980                                         </a>";
3981                         } else if ($feed_small_icon) {
3982                                 print "<img class=\"noborder\" alt=\"\" src=\"images/$feed_small_icon\">";
3983                         }
3984
3985                         print "</td>";
3986                         print "</tr></table>";
3987
3988                 }
3989
3990         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
3991
3992                         $tmp_category = getCategoryTitle($link, $cat_id);
3993                         $cat_unread = getCategoryUnread($link, $cat_id);
3994
3995                         if ($hidden) {
3996                                 $holder_style = "display:none;";
3997                                 $ellipsis = "…";
3998                         } else {
3999                                 $holder_style = "";
4000                                 $ellipsis = "";
4001                         }
4002
4003                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4004
4005                         print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
4006                                 <a id=\"FCATN-$cat_id\" href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>";
4007
4008                         if ($can_browse) {
4009                                 print "<a href=\"#\" onclick=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">";
4010                         } else {
4011                                 print "<span id=\"FCAP-$cat_id\">";
4012                         }
4013
4014                         print " <span id=\"FCATCTR-$cat_id\"
4015                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4016
4017                         if ($can_browse) {
4018                                 print "</a>";
4019                         } else {
4020                                 print "</span>";
4021                         }
4022
4023                         print "</li>";
4024
4025                         print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4026         }
4027
4028         function outputFeedList($link, $tags = false) {
4029
4030                 print "<ul class=\"feedList\" id=\"feedList\">";
4031
4032                 $owner_uid = $_SESSION["uid"];
4033
4034                 /* virtual feeds */
4035
4036                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4037
4038                         if ($_COOKIE["ttrss_vf_vclps"] == 1) {
4039                                 $cat_hidden = true;
4040                         } else {
4041                                 $cat_hidden = false;
4042                         }
4043
4044 #                       print "<li class=\"feedCat\">".__('Special')."</li>";
4045 #                       print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\">";
4046 #                       print "<li class=\"feedCat\">".
4047 #                               "<a id=\"FCATN--1\" href=\"javascript:toggleCollapseCat(-1)\">".
4048 #                               __('Special')."</a> <span id='FCAP--1'>$ellipsis</span></li>";
4049 #
4050 #                       print "<li id=\"feedCatHolder\" class=\"feedCatHolder\">
4051 #                               <ul class=\"feedCatList\" id='FCATLIST--1' style='$holder_style'>";
4052
4053 #                       $cat_unread = getCategoryUnread($link, -1);
4054 #                       $tmp_category = __("Special");
4055 #                       $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4056
4057                         printCategoryHeader($link, -1, $cat_hidden, false);
4058                 }
4059
4060                 if (defined('_ENABLE_DASHBOARD')) {
4061                         printFeedEntry(-4, "virt", __("Dashboard"), 0,
4062                                 "images/tag.png", $link);
4063                 }
4064
4065                 $num_starred = getFeedUnread($link, -1);
4066                 $num_published = getFeedUnread($link, -2);
4067                 $num_fresh = getFeedUnread($link, -3);
4068
4069                 $class = "virt";
4070
4071                 if ($num_fresh > 0) $class .= "Unread";
4072
4073                 printFeedEntry(-3, $class, __("Fresh articles"), $num_fresh,
4074                         "images/fresh.png", $link);
4075
4076                 $class = "virt";
4077
4078                 if ($num_starred > 0) $class .= "Unread";
4079
4080                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4081
4082                 if ($is_ie) {
4083                         $mark_img_ext = "gif";
4084                 } else {
4085                         $mark_img_ext = "png";
4086                 }
4087
4088                 printFeedEntry(-1, $class, __("Starred articles"), $num_starred,
4089                         "images/mark_set.$mark_img_ext", $link);
4090
4091                 $class = "virt";
4092
4093                 if ($num_published > 0) $class .= "Unread";
4094
4095                 printFeedEntry(-2, $class, __("Published articles"), $num_published,
4096                         "images/pub_set.gif", $link);
4097
4098                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4099                         print "</ul>";
4100                 }
4101
4102                 if (!$tags) {
4103
4104                         if (GLOBAL_ENABLE_LABELS && get_pref($link, 'ENABLE_LABELS')) {
4105
4106                                 $result = db_query($link, "SELECT id,sql_exp,description FROM
4107                                         ttrss_labels WHERE owner_uid = '$owner_uid' ORDER by description");
4108
4109                                 if (db_num_rows($result) > 0) {
4110                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4111
4112                                                 if ($_COOKIE["ttrss_vf_lclps"] == 1) {
4113                                                         $cat_hidden = true;
4114                                                 } else {
4115                                                         $cat_hidden = false;
4116                                                 }
4117
4118                                                 printCategoryHeader($link, -2, $cat_hidden, false);
4119
4120 #                                               print "<li class=\"feedCat\">".
4121 #                                                       "<a id=\"FCATN--2\" href=\"javascript:toggleCollapseCat(-2)\">".
4122 #                                                       __('Labels')."</a> <span id='FCAP--2'>$ellipsis</span></li>";
4123 #
4124 #                                               print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\" id='FCATLIST--2' style='$holder_style'>";
4125                                         } else {
4126                                                 print "<li><hr></li>";
4127                                         }
4128                                 }
4129
4130                                 while ($line = db_fetch_assoc($result)) {
4131
4132                                         error_reporting (0);
4133
4134                                         $label_id = -$line['id'] - 11;
4135                                         $count = getFeedUnread($link, $label_id);
4136
4137                                         $class = "label";
4138
4139                                         if ($count > 0) {
4140                                                 $class .= "Unread";
4141                                         }
4142
4143                                         error_reporting (DEFAULT_ERROR_LEVEL);
4144
4145                                         printFeedEntry($label_id,
4146                                                 $class, $line["description"],
4147                                                 $count, "images/label.png", $link);
4148
4149                                 }
4150
4151                                 if (db_num_rows($result) > 0) {
4152                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4153                                                 print "</ul>";
4154                                         }
4155                                 }
4156
4157                         }
4158
4159                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4160                                 print "<li><hr></li>";
4161                         }
4162
4163                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4164                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4165                                         $order_by_qpart = "category,unread DESC,title";
4166                                 } else {
4167                                         $order_by_qpart = "category,title";
4168                                 }
4169                         } else {
4170                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4171                                         $order_by_qpart = "unread DESC,title";
4172                                 } else {
4173                                         $order_by_qpart = "title";
4174                                 }
4175                         }
4176
4177                         $age_qpart = getMaxAgeSubquery();
4178
4179                         $result = db_query($link, "SELECT ttrss_feeds.*,
4180                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4181                                 (SELECT COUNT(id) FROM ttrss_entries,ttrss_user_entries
4182                                         WHERE feed_id = ttrss_feeds.id AND unread = true
4183                                                 AND $age_qpart
4184                                                 AND ttrss_user_entries.ref_id = ttrss_entries.id
4185                                                 AND owner_uid = '$owner_uid') as unread,
4186                                 cat_id,last_error,
4187                                 ttrss_feed_categories.title AS category,
4188                                 ttrss_feed_categories.collapsed
4189                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4190                                         ON (ttrss_feed_categories.id = cat_id)
4191                                 WHERE
4192                                         ttrss_feeds.hidden = false AND
4193                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4194                                 ORDER BY $order_by_qpart");
4195
4196                         $actid = $_GET["actid"];
4197
4198                         /* real feeds */
4199
4200                         $lnum = 0;
4201
4202                         $total_unread = 0;
4203
4204                         $category = "";
4205
4206                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4207
4208                         while ($line = db_fetch_assoc($result)) {
4209
4210                                 $feed = trim($line["title"]);
4211
4212                                 if (!$feed) $feed = "[Untitled]";
4213
4214                                 $feed_id = $line["id"];
4215
4216                                 $subop = $_GET["subop"];
4217
4218                                 $unread = $line["unread"];
4219
4220                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4221                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4222                                 } else {
4223                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4224                                 }
4225
4226                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4227
4228                                 if ($rtl_content) {
4229                                         $rtl_tag = "dir=\"RTL\"";
4230                                 } else {
4231                                         $rtl_tag = "";
4232                                 }
4233
4234                                 $tmp_result = db_query($link,
4235                                         "SELECT id,COUNT(unread) AS unread
4236                                         FROM ttrss_feeds LEFT JOIN ttrss_user_entries
4237                                                 ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
4238                                         WHERE parent_feed = '$feed_id' AND unread = true
4239                                         GROUP BY ttrss_feeds.id");
4240
4241                                 if (db_num_rows($tmp_result) > 0) {
4242                                         while ($l = db_fetch_assoc($tmp_result)) {
4243                                                 $unread += $l["unread"];
4244                                         }
4245                                 }
4246
4247                                 $cat_id = $line["cat_id"];
4248
4249                                 $tmp_category = $line["category"];
4250
4251                                 if (!$tmp_category) {
4252                                         $tmp_category = __("Uncategorized");
4253                                 }
4254
4255         //                      $class = ($lnum % 2) ? "even" : "odd";
4256
4257                                 if ($line["last_error"]) {
4258                                         $class = "error";
4259                                 } else {
4260                                         $class = "feed";
4261                                 }
4262
4263                                 if ($unread > 0) $class .= "Unread";
4264
4265                                 if ($actid == $feed_id) {
4266                                         $class .= "Selected";
4267                                 }
4268
4269                                 $total_unread += $unread;
4270
4271                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4272
4273                                         if ($category) {
4274                                                 print "</ul></li>";
4275                                         }
4276
4277                                         $category = $tmp_category;
4278
4279                                         $collapsed = $line["collapsed"];
4280
4281                                         // workaround for NULL category
4282                                         if ($category == __("Uncategorized")) {
4283                                                 if ($_COOKIE["ttrss_vf_uclps"] == 1) {
4284                                                         $collapsed = "t";
4285                                                 }
4286                                         }
4287
4288                                         if ($collapsed == "t" || $collapsed == "1") {
4289                                                 $holder_class = "feedCatHolder";
4290                                                 $holder_style = "display:none;";
4291                                                 $ellipsis = "…";
4292                                         } else {
4293                                                 $holder_class = "feedCatHolder";
4294                                                 $holder_style = "";
4295                                                 $ellipsis = "";
4296                                         }
4297
4298                                         $cat_id = sprintf("%d", $cat_id);
4299
4300                                         $cat_unread = getCategoryUnread($link, $cat_id);
4301
4302                                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4303
4304                                         print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
4305                                                 <a id=\"FCATN-$cat_id\" href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>
4306                                                         <a href=\"#\" onclick=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">
4307                                                         <span id=\"FCATCTR-$cat_id\"
4308                                                         class=\"$catctr_class\">($cat_unread)</span> $ellipsis
4309                                                         </a></li>";
4310
4311                                         print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4312                                 }
4313
4314                                 printFeedEntry($feed_id, $class, $feed, $unread,
4315                                         ICONS_URL."/$feed_id.ico", $link, $rtl_content,
4316                                         $last_updated, $line["last_error"]);
4317
4318                                 ++$lnum;
4319                         }
4320
4321                         if (db_num_rows($result) == 0) {
4322                                 print "<li>".__('No feeds to display.')."</li>";
4323                         }
4324
4325                 } else {
4326
4327                         // tags
4328
4329 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4330                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4331                                 post_int_id = ttrss_user_entries.int_id AND
4332                                 unread = true AND ref_id = ttrss_entries.id
4333                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4334                         UNION
4335                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4336                         ORDER BY tag_name"); */
4337
4338                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4339                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4340                                 print "<li id=\"feedCatHolder\"><ul class=\"feedCatList\">";
4341                         }
4342
4343                         $age_qpart = getMaxAgeSubquery();
4344
4345                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4346                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4347                                         AND ref_id = id AND $age_qpart
4348                                         AND unread = true)) AS count FROM ttrss_tags
4349                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4350                                         ORDER BY count DESC LIMIT 50");
4351
4352                         $tags = array();
4353
4354                         while ($line = db_fetch_assoc($result)) {
4355                                 $tags[$line["tag_name"]] += $line["count"];
4356                         }
4357
4358                         foreach (array_keys($tags) as $tag) {
4359
4360                                 $unread = $tags[$tag];
4361
4362                                 $class = "tag";
4363
4364                                 if ($unread > 0) {
4365                                         $class .= "Unread";
4366                                 }
4367
4368                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4369
4370                         }
4371
4372                         if (db_num_rows($result) == 0) {
4373                                 print "<li>No tags to display.</li>";
4374                         }
4375
4376                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4377                                 print "</ul>";
4378                         }
4379
4380                 }
4381
4382                 print "</ul>";
4383
4384         }
4385
4386         function get_article_tags($link, $id, $owner_uid = 0) {
4387
4388                 $a_id = db_escape_string($id);
4389
4390                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4391
4392                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name,
4393                         owner_uid as owner FROM
4394                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4395                                 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
4396
4397                 $tags = array();
4398
4399                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4400                         array_push($tags, $tmp_line["tag_name"]);
4401                 }
4402
4403                 return $tags;
4404         }
4405
4406         function trim_value(&$value) {
4407                 $value = trim($value);
4408         }
4409
4410         function trim_array($array) {
4411                 $tmp = $array;
4412                 array_walk($tmp, 'trim_value');
4413                 return $tmp;
4414         }
4415
4416         function tag_is_valid($tag) {
4417                 if ($tag == '') return false;
4418                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4419
4420                 $tag = iconv("utf-8", "utf-8", $tag);
4421                 if (!$tag) return false;
4422
4423                 return true;
4424         }
4425
4426         function render_login_form($link, $mobile = false) {
4427                 if (!$mobile) {
4428                         require_once "login_form.php";
4429                 } else {
4430                         require_once "mobile/login_form.php";
4431                 }
4432         }
4433
4434         // from http://developer.apple.com/internet/safari/faq.html
4435         function no_cache_incantation() {
4436                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4437                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4438                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4439                 header("Cache-Control: post-check=0, pre-check=0", false);
4440                 header("Pragma: no-cache"); // HTTP/1.0
4441         }
4442
4443         function format_warning($msg, $id = "") {
4444                 return "<div class=\"warning\" id=\"$id\">
4445                         <img src=\"images/sign_excl.gif\">$msg</div>";
4446         }
4447
4448         function format_notice($msg) {
4449                 return "<div class=\"notice\">
4450                         <img src=\"images/sign_info.gif\">$msg</div>";
4451         }
4452
4453         function format_error($msg) {
4454                 return "<div class=\"error\">
4455                         <img src=\"images/sign_excl.gif\">$msg</div>";
4456         }
4457
4458         function print_notice($msg) {
4459                 return print format_notice($msg);
4460         }
4461
4462         function print_warning($msg) {
4463                 return print format_warning($msg);
4464         }
4465
4466         function print_error($msg) {
4467                 return print format_error($msg);
4468         }
4469
4470
4471         function T_sprintf() {
4472                 $args = func_get_args();
4473                 return vsprintf(__(array_shift($args)), $args);
4474         }
4475
4476         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true) {
4477
4478                 /* we can figure out feed_id from article id anyway, why do we
4479                  * pass feed_id here? */
4480
4481                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4482                         WHERE ref_id = '$id'");
4483
4484                 $feed_id = db_fetch_result($result, 0, "feed_id");
4485
4486                 print "<article id='$id'><![CDATA[";
4487
4488                 $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4489                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4490
4491                 if (db_num_rows($result) == 1) {
4492                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4493                 } else {
4494                         $rtl_content = false;
4495                 }
4496
4497                 if ($rtl_content) {
4498                         $rtl_tag = "dir=\"RTL\"";
4499                         $rtl_class = "RTL";
4500                 } else {
4501                         $rtl_tag = "";
4502                         $rtl_class = "";
4503                 }
4504
4505                 if ($mark_as_read) {
4506                         $result = db_query($link, "UPDATE ttrss_user_entries
4507                                 SET unread = false,last_read = NOW()
4508                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4509                 }
4510
4511                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4512                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4513                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4514                         num_comments,
4515                         author
4516                         FROM ttrss_entries,ttrss_user_entries
4517                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4518
4519                 if ($result) {
4520
4521                         $link_target = "";
4522
4523                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4524                                 $link_target = "target=\"_new\"";
4525                         }
4526
4527                         $line = db_fetch_assoc($result);
4528
4529                         if ($line["icon_url"]) {
4530                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4531                         } else {
4532                                 $feed_icon = "&nbsp;";
4533                         }
4534
4535 /*                      if ($line["comments"] && $line["link"] != $line["comments"]) {
4536                                 $entry_comments = "(<a href=\"".$line["comments"]."\">Comments</a>)";
4537                         } else {
4538                                 $entry_comments = "";
4539                         } */
4540
4541                         $num_comments = $line["num_comments"];
4542                         $entry_comments = "";
4543
4544                         if ($num_comments > 0) {
4545                                 if ($line["comments"]) {
4546                                         $comments_url = $line["comments"];
4547                                 } else {
4548                                         $comments_url = $line["link"];
4549                                 }
4550                                 $entry_comments = "<a $link_target href=\"$comments_url\">$num_comments comments</a>";
4551                         } else {
4552                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4553                                         $entry_comments = "<a $link_target href=\"".$line["comments"]."\">comments</a>";
4554                                 }
4555                         }
4556
4557                         print "<div class=\"postReply\">";
4558
4559                         print "<div class=\"postHeader\">";
4560
4561                         $entry_author = $line["author"];
4562
4563                         if ($entry_author) {
4564                                 $entry_author = __(" - ") . $entry_author;
4565                         }
4566
4567                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4568                                 strtotime($line["updated"]));
4569
4570                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4571
4572                         if ($line["link"]) {
4573                                 print "<div clear='both'><a $link_target href=\"" . $line["link"] . "\">" .
4574                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4575                         } else {
4576                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4577                         }
4578
4579 /*                      $tmp_result = db_query($link, "SELECT DISTINCT tag_name FROM
4580                                 ttrss_tags WHERE post_int_id = " . $line["int_id"] . "
4581                                 ORDER BY tag_name"); */
4582
4583                         $tags = get_article_tags($link, $id);
4584
4585                         $tags_str = "";
4586                         $f_tags_str = "";
4587
4588                         $num_tags = 0;
4589
4590                         if ($_SESSION["theme"] == "3pane") {
4591                                 $tag_limit = 3;
4592                         } else {
4593                                 $tag_limit = 6;
4594                         }
4595
4596                         foreach ($tags as $tag) {
4597                                 $num_tags++;
4598                                 $tag_escaped = str_replace("'", "\\'", $tag);
4599
4600                                 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>, ";
4601
4602                                 if ($num_tags == $tag_limit) {
4603                                         $tags_str .= "&hellip;";
4604
4605                                 } else if ($num_tags < $tag_limit) {
4606                                         $tags_str .= $tag_str;
4607                                 }
4608                                 $f_tags_str .= $tag_str;
4609                         }
4610
4611                         $tags_str = preg_replace("/, $/", "", $tags_str);
4612                         $f_tags_str = preg_replace("/, $/", "", $f_tags_str);
4613
4614                         $all_tags_div = "<span class='cdmAllTagsCtr'>&hellip;<div class='cdmAllTags'>All Tags: $f_tags_str</div></span>";
4615                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
4616
4617                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4618
4619                         if (!$tags_str) $tags_str = '<span class="tagList">'.__('no tags').'</span>';
4620
4621                         print "<div style='float : right'>
4622                                 <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>
4623                                 $tags_str
4624                                 <a title=\"Edit tags for this article\"
4625                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a></div>
4626                                 <div clear='both'>$entry_comments</div>";
4627
4628                         print "</div>";
4629
4630                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4631                         print "<div class=\"postContent\">";
4632
4633                         #print "<div id=\"allEntryTags\">".__('Tags:')." $f_tags_str</div>";
4634
4635                         $line["content"] = sanitize_rss($link, $line["content"]);
4636
4637                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4638                                 $line["content"] = preg_replace("/href=/i", "target=\"_new\" href=", $line["content"]);
4639                         }
4640
4641                         print $line["content"];
4642
4643                         $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4644                                 post_id = '$id' AND content_url != ''");
4645
4646                         if (db_num_rows($result) > 0) {
4647                                 print "<div class=\"postEnclosures\">";
4648
4649                                 if (db_num_rows($result) == 1) {
4650                                         print __("Attachment:") . " ";
4651                                 } else {
4652                                         print __("Attachments:") . " ";
4653                                 }
4654
4655                                 $entries = array();
4656
4657                                 while ($line = db_fetch_assoc($result)) {
4658
4659                                         $url = $line["content_url"];
4660                                         $ctype = $line["content_type"];
4661
4662                                         if (!$ctype) $ctype = __("unknown type");
4663
4664                                         $filename = substr($url, strrpos($url, "/")+1);
4665
4666                                         $entry = "<a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4667                                                 $filename . " (" . $ctype . ")" . "</a>";
4668
4669                                         array_push($entries, $entry);
4670                                 }
4671
4672                                 print join(", ", $entries);
4673
4674                                 print "</div>";
4675                         }
4676
4677                         print "</div>";
4678
4679                         print "</div>";
4680
4681                 }
4682
4683                 print "]]></article>";
4684
4685         }
4686
4687         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4688                                         $next_unread_feed, $offset) {
4689
4690                 $disable_cache = false;
4691
4692                 $timing_info = getmicrotime();
4693
4694                 $topmost_article_ids = array();
4695
4696                 if (!$offset) {
4697                         $offset = 0;
4698                 }
4699
4700                 if ($subop == "undefined") $subop = "";
4701
4702                 if ($subop == "CatchupSelected") {
4703                         $ids = split(",", db_escape_string($_GET["ids"]));
4704                         $cmode = sprintf("%d", $_GET["cmode"]);
4705
4706                         catchupArticlesById($link, $ids, $cmode);
4707                 }
4708
4709                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4710                         update_generic_feed($link, $feed, $cat_view, true);
4711                 }
4712
4713                 if ($subop == "MarkAllRead")  {
4714                         catchup_feed($link, $feed, $cat_view);
4715
4716                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4717                                 if ($next_unread_feed) {
4718                                         $feed = $next_unread_feed;
4719                                 }
4720                         }
4721                 }
4722
4723                 if ($feed_id > 0) {
4724                         $result = db_query($link,
4725                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4726
4727                         if (db_num_rows($result) == 0) {
4728                                 print "<div align='center'>".__('Feed not found.')."</div>";
4729                                 return;
4730                         }
4731                 }
4732
4733                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4734
4735                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4736                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4737
4738                         if (db_num_rows($result) == 1) {
4739                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4740                         } else {
4741                                 $rtl_content = false;
4742                         }
4743
4744                         if ($rtl_content) {
4745                                 $rtl_tag = "dir=\"RTL\"";
4746                         } else {
4747                                 $rtl_tag = "";
4748                         }
4749                 } else {
4750                         $rtl_tag = "";
4751                         $rtl_content = false;
4752                 }
4753
4754                 $script_dt_add = get_script_dt_add();
4755
4756                 /// START /////////////////////////////////////////////////////////////////////////////////
4757
4758                 $search = db_escape_string($_GET["query"]);
4759
4760                 if ($search) {
4761                         $disable_cache = true;
4762                 }
4763
4764                 $search_mode = db_escape_string($_GET["search_mode"]);
4765                 $match_on = db_escape_string($_GET["match_on"]);
4766
4767                 if (!$match_on) {
4768                         $match_on = "both";
4769                 }
4770
4771                 $real_offset = $offset * $limit;
4772
4773                 if ($_GET["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4774
4775                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4776                         $search, $search_mode, $match_on, false, $real_offset);
4777
4778                 if ($_GET["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4779
4780                 $result = $qfh_ret[0];
4781                 $feed_title = $qfh_ret[1];
4782                 $feed_site_url = $qfh_ret[2];
4783                 $last_error = $qfh_ret[3];
4784
4785                 if ($feed == -2) {
4786                         $feed_site_url = article_publish_url($link);
4787                 }
4788
4789                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4790
4791                 if (!$offset) {
4792                         print "<div id=\"headlinesContainer\" $rtl_tag>";
4793
4794                         if (!$result) {
4795                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4796                                 return;
4797                         }
4798
4799                         print_headline_subtoolbar($link, $feed_site_url, $feed_title, false,
4800                                 $rtl_content, $feed, $cat_view, $search, $match_on, $search_mode,
4801                                 $offset, $limit);
4802
4803                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4804                 }
4805
4806                 $headlines_count = db_num_rows($result);
4807
4808                 if (db_num_rows($result) > 0) {
4809
4810 #                       print "\{$offset}";
4811
4812                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4813                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
4814                                         cellspacing=\"0\">";
4815                         }
4816
4817                         $lnum = $limit*$offset;
4818
4819                         error_reporting (DEFAULT_ERROR_LEVEL);
4820
4821                         $num_unread = 0;
4822
4823                         while ($line = db_fetch_assoc($result)) {
4824
4825                                 $class = ($lnum % 2) ? "even" : "odd";
4826
4827                                 $id = $line["id"];
4828                                 $feed_id = $line["feed_id"];
4829
4830                                 if (count($topmost_article_ids) < 5) {
4831                                         array_push($topmost_article_ids, $id);
4832                                 }
4833
4834                                 if ($line["last_read"] == "" &&
4835                                                 ($line["unread"] != "t" && $line["unread"] != "1")) {
4836
4837                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\"
4838                                                 alt=\"Updated\">";
4839                                 } else {
4840                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
4841                                                 alt=\"Updated\">";
4842                                 }
4843
4844                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
4845                                         $class .= "Unread";
4846                                         ++$num_unread;
4847                                         $is_unread = true;
4848                                 } else {
4849                                         $is_unread = false;
4850                                 }
4851
4852                                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4853
4854                                 if ($is_ie) {
4855                                         $mark_img_ext = "gif";
4856                                 } else {
4857                                         $mark_img_ext = "png";
4858                                 }
4859
4860                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
4861                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.$mark_img_ext\"
4862                                                 class=\"markedPic\"
4863                                                 alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
4864                                 } else {
4865                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.$mark_img_ext\"
4866                                                 class=\"markedPic\"
4867                                                 alt=\"Star article\" onclick='javascript:tMark($id)'>";
4868                                 }
4869
4870                                 if ($line["published"] == "t" || $line["published"] == "1") {
4871                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\"
4872                                                 class=\"markedPic\"
4873                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
4874                                 } else {
4875                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\"
4876                                                 class=\"markedPic\"
4877                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
4878                                 }
4879
4880 #                               $content_link = "<a target=\"_new\" href=\"".$line["link"]."\">" .
4881 #                                       $line["title"] . "</a>";
4882
4883                                 $content_link = "<a href=\"javascript:view($id,$feed_id);\">" .
4884                                         $line["title"] . "</a>";
4885
4886 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
4887 #                                       $line["title"] . "</a>";
4888
4889                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4890                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
4891                                 } else {
4892                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4893                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
4894                                 }
4895
4896                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4897                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
4898                                                 100);
4899                                 }
4900
4901                                 $entry_author = $line["author"];
4902
4903                                 if ($entry_author) {
4904                                         $entry_author = " - $entry_author";
4905                                 }
4906
4907                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4908
4909                                         print "<tr class='$class' id='RROW-$id'>";
4910
4911                                         print "<td class='hlUpdPic'>$update_pic</td>";
4912
4913                                         print "<td class='hlSelectRow'>
4914                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
4915                                                         id=\"RCHK-$id\">
4916                                                 </td>";
4917
4918                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
4919                                         print "<td class='hlMarkedPic'>$published_pic</td>";
4920
4921 #                                       if ($line["feed_title"]) {
4922 #                                               print "<td class='hlContent'>$content_link</td>";
4923 #                                               print "<td class='hlFeed'>
4924 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
4925 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
4926 #                                       } else {
4927
4928                                         print "<td class='hlContent' valign='middle'>";
4929
4930                                         print "<a href=\"javascript:view($id,$feed_id);\">" .
4931                                                 $line["title"];
4932
4933                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4934                                                 if ($content_preview) {
4935                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
4936                                                 }
4937                                         }
4938
4939                                         print "</a>";
4940
4941 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
4942 #                                                       $line["feed_title"]."</a>
4943
4944                                         if ($line["feed_title"]) {
4945                                                 print "<span class=\"hlFeed\">
4946                                                         (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
4947                                                         $line["feed_title"]."</a>)
4948                                                 </span>";
4949                                         }
4950
4951
4952                                         print "</td>";
4953
4954 #                                       }
4955
4956                                         print "<td class=\"hlUpdated\"><nobr>$updated_fmt&nbsp;</nobr></td>";
4957
4958                                         print "</tr>";
4959
4960                                 } else {
4961
4962                                         if ($is_unread) {
4963                                                 $add_class = "Unread";
4964                                         } else {
4965                                                 $add_class = "";
4966                                         }
4967
4968                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
4969
4970                                         if ($expand_cdm) {
4971                                                 $cdm_cstyle = "";
4972                                         } else {
4973                                                 $cdm_cstyle = "style=\"display : none\"";
4974                                         }
4975
4976                                         print "<div class=\"cdmArticle$add_class\"
4977                                                 id=\"RROW-$id\" onmouseover='cdmMouseIn(this)'
4978                                                 onmouseout='cdmMouseOut(this)'>";
4979
4980                                         print "<div class=\"cdmHeader\">";
4981
4982                                         print "<div class=\"articleUpdated\">$updated_fmt</div>";
4983
4984                                         print "<a class=\"title\"
4985                                                 onclick=\"javascript:toggleUnread($id, 0)\"
4986                                                 target=\"_new\" href=\"".$line["link"]."\">".$line["title"]."</a>";
4987
4988                                         print $entry_author;
4989
4990                                         if (!$expand_cdm) {
4991                                                 print "&nbsp;<a id=\"CICH-$id\"
4992                                                         href=\"javascript:cdmExpandArticle($id)\">
4993                                                         (".__('Show article').")</a>";
4994                                         }
4995
4996
4997                                         if ($line["feed_title"]) {
4998                                                 print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
4999                                         }
5000
5001                                         print "</div>";
5002
5003                                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
5004                                                 $line["content_preview"] = preg_replace("/href=/i",
5005                                                         "target=\"_new\" href=", $line["content_preview"]);
5006                                         }
5007
5008                                         print "<div class=\"cdmContent\" id=\"CICD-$id\" $cdm_cstyle>";
5009
5010 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
5011
5012                                         print $line["content_preview"];
5013
5014                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
5015                                                 post_id = '$id' AND content_url != ''");
5016
5017                                         if (db_num_rows($e_result) > 0) {
5018                                 print "<div class=\"cdmEnclosures\">";
5019
5020                                 if (db_num_rows($e_result) == 1) {
5021                                         print __("Attachment:") . " ";
5022                                 } else {
5023                                         print __("Attachments:") . " ";
5024                                 }
5025
5026                                 $entries = array();
5027
5028                                 while ($e_line = db_fetch_assoc($e_result)) {
5029
5030                                         $url = $e_line["content_url"];
5031                                         $ctype = $e_line["content_type"];
5032                                         if (!$ctype) $ctype = __("unknown type");
5033
5034                                         $filename = substr($url, strrpos($url, "/")+1);
5035
5036                                         $entry = "<a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5037                                                 $filename . " (" . $ctype . ")" . "</a>";
5038
5039                                         array_push($entries, $entry);
5040                                 }
5041
5042                                 print join(", ", $entries);
5043
5044                                 print "</div>";
5045                         }
5046
5047                                         print "<br clear='both'>";
5048 //                                      print "</div>";
5049
5050 /*                                      if (!$expand_cdm) {
5051                                                 print "<a id=\"CICH-$id\"
5052                                                         href=\"javascript:cdmExpandArticle($id)\">
5053                                                         Show article</a>";
5054                                         } */
5055
5056                                         print "</div>";
5057
5058                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5059
5060                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5061
5062                                         print __("Select:").
5063                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5064                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5065
5066                                         print "</span><span class='s1'>$marked_pic</span> ";
5067                                         print "<span class='s1'>$published_pic</span> ";
5068
5069                                         $tags = get_article_tags($link, $id);
5070
5071                                         $tags_str = "";
5072                                         $full_tags_str = "";
5073                                         $num_tags = 0;
5074
5075                                         foreach ($tags as $tag) {
5076                                                 $num_tags++;
5077                                                 $full_tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
5078                                                 if ($num_tags < 5) {
5079                                                         $tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
5080                                                 } else if ($num_tags == 5) {
5081                                                         $tags_str .= "&hellip;";
5082                                                 }
5083                                         }
5084
5085                                         $tags_str = preg_replace("/, $/", "", $tags_str);
5086                                         $full_tags_str = preg_replace("/, $/", "", $full_tags_str);
5087
5088                                         $all_tags_div = "<span class='cdmAllTagsCtr'>&hellip;<div class='cdmAllTags'>All Tags: $full_tags_str</div></span>";
5089
5090                                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
5091
5092
5093                                         if ($tags_str == "") $tags_str = "no tags";
5094
5095 //                                      print "<img src='images/tag.png' class='markedPic'>";
5096
5097                                         print "<span class='s1'>
5098                                                 <img class='tagsPic' src='images/tag.png' alt='Tags'
5099                                                         title='Tags'> $tags_str <a title=\"Edit tags for this article\"
5100                                                         href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5101
5102                                         print "</span>";
5103
5104                                         print "<span class='s2'>Toggle: <a class=\"cdmToggleLink\"
5105                                                         href=\"javascript:toggleUnread($id)\">
5106                                                         Unread</a></span>";
5107
5108                                         print "</div>";
5109                                         print "</div>";
5110
5111                                 }
5112
5113                                 ++$lnum;
5114                         }
5115
5116                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5117                                 print "</table>";
5118                         }
5119
5120 //                      print_headline_subtoolbar($link,
5121 //                              "javascript:catchupPage()", "Mark page as read", true, $rtl_content);
5122
5123
5124                 } else {
5125                         $message = "";
5126
5127                         switch ($view_mode) {
5128                                 case "unread":
5129                                         $message = __("No unread articles found to display.");
5130                                         break;
5131                                 case "marked":
5132                                         $message = __("No starred articles found to display.");
5133                                         break;
5134                                 default:
5135                                         $message = __("No articles found to display.");
5136                         }
5137
5138                         if (!$offset) print "<div class='whiteBox'>$message</div>";
5139                 }
5140
5141                 if (!$offset) {
5142                         print "</div>";
5143                         print "</div>";
5144                 }
5145
5146                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache);
5147         }
5148
5149 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5150
5151         function printTagCloud($link) {
5152
5153                 /* get first ref_id to count from */
5154
5155                 /*
5156
5157                 $query = "";
5158
5159                 if (DB_TYPE == "pgsql") {
5160                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
5161                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
5162                                 AND date_entered > NOW() - INTERVAL '30 days'";
5163                 } else {
5164                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
5165                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
5166                                 AND date_entered > DATE_SUB(NOW(), INTERVAL 30 DAY)";
5167                 }
5168
5169                 $result = db_query($link, $query);
5170                 $first_id = db_fetch_result($result, 0, "id"); */
5171
5172                 //AND post_int_id >= '$first_id'
5173                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5174                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5175                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5176
5177                 $result = db_query($link, $query);
5178
5179                 $tags = array();
5180
5181                 while ($line = db_fetch_assoc($result)) {
5182                         $tags[$line["tag_name"]] = $line["count"];
5183                 }
5184
5185                 ksort($tags);
5186
5187                 $max_size = 32; // max font size in pixels
5188                 $min_size = 11; // min font size in pixels
5189
5190                 // largest and smallest array values
5191                 $max_qty = max(array_values($tags));
5192                 $min_qty = min(array_values($tags));
5193
5194                 // find the range of values
5195                 $spread = $max_qty - $min_qty;
5196                 if ($spread == 0) { // we don't want to divide by zero
5197                                 $spread = 1;
5198                 }
5199
5200                 // set the font-size increment
5201                 $step = ($max_size - $min_size) / ($spread);
5202
5203                 // loop through the tag array
5204                 foreach ($tags as $key => $value) {
5205                         // calculate font-size
5206                         // find the $value in excess of $min_qty
5207                         // multiply by the font-size increment ($size)
5208                         // and add the $min_size set above
5209                         $size = round($min_size + (($value - $min_qty) * $step));
5210
5211                         $key_escaped = str_replace("'", "\\'", $key);
5212
5213                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5214                                 $size . "px\" title=\"$value articles tagged with " .
5215                                 $key . '">' . $key . '</a> ';
5216                 }
5217         }
5218
5219         function print_checkpoint($n, $s) {
5220                 $ts = getmicrotime();
5221                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5222                 return $ts;
5223         }
5224
5225         function sanitize_tag($tag) {
5226                 $tag = trim($tag);
5227
5228                 $tag = mb_strtolower($tag, 'utf-8');
5229
5230                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5231
5232 //              $tag = str_replace('"', "", $tag);
5233 //              $tag = str_replace("+", " ", $tag);
5234                 $tag = str_replace("technorati tag: ", "", $tag);
5235
5236                 return $tag;
5237         }
5238
5239         function generate_publish_key() {
5240                 return sha1(uniqid(rand(), true));
5241         }
5242
5243         function article_publish_url($link) {
5244
5245                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5246
5247                 $url_path .= "?op=publish&key=" . get_pref($link, "_PREFS_PUBLISH_KEY");
5248
5249                 return $url_path;
5250         }
5251
5252         /**
5253          * Purge a feed contents, marked articles excepted.
5254          *
5255          * @param mixed $link The database connection.
5256          * @param integer $id The id of the feed to purge.
5257          * @return void
5258          */
5259         function clear_feed_articles($link, $id) {
5260                 $result = db_query($link, "DELETE FROM ttrss_user_entries
5261                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5262
5263                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5264                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5265         } // function clear_feed_articles
5266
5267         /**
5268          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5269          *
5270          * @return string The Mozilla Firefox feed adding URL.
5271          */
5272         function add_feed_url() {
5273                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5274                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5275                 return $url_path;
5276         } // function add_feed_url
5277
5278         /**
5279          * Encrypt a password in SHA1.
5280          *
5281          * @param string $pass The password to encrypt.
5282          * @param string $login A optionnal login.
5283          * @return string The encrypted password.
5284          */
5285         function encrypt_password($pass, $login = '') {
5286                 if ($login) {
5287                         return "SHA1X:" . sha1("$login:$pass");
5288                 } else {
5289                         return "SHA1:" . sha1($pass);
5290                 }
5291         } // function encrypt_password
5292
5293         /**
5294          * Update a feed batch.
5295          * Used by daemons to update n feeds by run.
5296          * Only update feed needing a update, and not being processed
5297          * by another process.
5298          *
5299          * @param mixed $link Database link
5300          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5301          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5302          * @param boolean $debug Set to false to disable debug output. Default to true.
5303          * @return void
5304          */
5305         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5306                 // Process all other feeds using last_updated and interval parameters
5307
5308                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5309                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5310                         if (DB_TYPE == "pgsql") {
5311                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5312                         } else {
5313                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5314                         }
5315                 } else {
5316                         $login_thresh_qpart = "";
5317                 }
5318
5319                 // Test if the feed need a update (update interval exceded).
5320                 if (DB_TYPE == "pgsql") {
5321                         $update_limit_qpart = "AND ((
5322                                         ttrss_feeds.update_interval = 0
5323                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5324                                 ) OR (
5325                                         ttrss_feeds.update_interval > 0
5326                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5327                                 ) OR ttrss_feeds.last_updated IS NULL)";
5328                 } else {
5329                         $update_limit_qpart = "AND ((
5330                                         ttrss_feeds.update_interval = 0
5331                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5332                                 ) OR (
5333                                         ttrss_feeds.update_interval > 0
5334                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5335                                 ) OR ttrss_feeds.last_updated IS NULL)";
5336                 }
5337
5338                 // Test if feed is currently being updated by another process.
5339                 if (DB_TYPE == "pgsql") {
5340                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5341                 } else {
5342                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5343                 }
5344
5345                 // Test if there is a limit to number of updated feeds
5346                 $query_limit = "";
5347                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5348
5349                 $random_qpart = sql_random_function();
5350
5351                 // We search for feed needing update.
5352                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5353                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5354                                 ttrss_feeds.update_interval
5355                         FROM
5356                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5357                         WHERE
5358                                 ttrss_feeds.owner_uid = ttrss_users.id
5359                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5360                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5361                                 $login_thresh_qpart $update_limit_qpart
5362                          $updstart_thresh_qpart
5363                         ORDER BY $random_qpart $query_limit");
5364
5365                 $user_prefs_cache = array();
5366
5367                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5368
5369                 // Here is a little cache magic in order to minimize risk of double feed updates.
5370                 $feeds_to_update = array();
5371                 while ($line = db_fetch_assoc($result)) {
5372                         $feeds_to_update[$line['id']] = $line;
5373                 }
5374
5375                 // We update the feed last update started date before anything else.
5376                 // There is no lag due to feed contents downloads
5377                 // It prevent an other process to update the same feed.
5378                 $feed_ids = array_keys($feeds_to_update);
5379                 if($feed_ids) {
5380                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5381                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5382                 }
5383
5384                 // For each feed, we call the feed update function.
5385                 while ($line = array_pop($feeds_to_update)) {
5386
5387                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5388
5389                         // We setup a alarm to alert if the feed take more than 300s to update.
5390                         // => HANG alarm.
5391                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(300);
5392                         update_rss_feed($link, $line["feed_url"], $line["id"], true);
5393                         // Cancel the alarm (the update went well)
5394                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(0);
5395
5396                         sleep(1); // prevent flood (FIXME make this an option?)
5397                 }
5398
5399         // Send feed digests by email if needed.
5400         if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5401
5402         } // function update_daemon_common
5403
5404         function generate_dashboard_feed($link) {
5405
5406                 print "<div id=\"headlinesContainer\">";
5407
5408                 print_headline_subtoolbar($link, "", "Dashboard",
5409                         false, false, -4, false, false, false,
5410                         false, 0, 0, true, true, "tag.png");
5411
5412                 print "<div id=\"headlinesInnerContainer\" class=\"dashboard\">";
5413                 print "<div>There is <b>666</b> unread articles in <b>666</b> feeds.</div>";
5414                 print "</div>";
5415
5416                 print "</div>";
5417
5418                 print "]]></headlines>";
5419                 print "<headlines-count value=\"0\"/>";
5420                 print "<headlines-unread value=\"0\"/>";
5421                 print "<disable-cache value=\"1\"/>";
5422
5423                 print "<articles>";
5424                 print "</articles>";
5425         }
5426
5427         function sanitize_article_content($text) {
5428                 # we don't support CDATA sections in articles, they break our own escaping
5429                 $text = preg_replace("/\[\[CDATA/", "", $text);
5430                 $text = preg_replace("/\]\]\>/", "", $text);
5431                 return $text;
5432         }
5433 ?>