functions.php

   1 <?php
   2
   3         date_default_timezone_set('UTC');
   4         if (defined('E_DEPRECATED')) {
   5                 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
   6         } else {
   7                 error_reporting(E_ALL & ~E_NOTICE);
   8         }
   9
  10         require_once 'config.php';
  11
  12         if (DB_TYPE == "pgsql") {
  13                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  14         } else {
  15                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  16         }
  17
  18         /**
  19          * Return available translations names.
  20          *
  21          * @access public
  22          * @return array A array of available translations.
  23          */
  24         function get_translations() {
  25                 $tr = array(
  26                                         "auto"  => "Detect automatically",
  27                                         "ca_CA" => "Català",
  28                                         "en_US" => "English",
  29                                         "es_ES" => "Español",
  30                                         "de_DE" => "Deutsch",
  31                                         "fr_FR" => "Français",
  32                                         "hu_HU" => "Magyar (Hungarian)",
  33                                         "it_IT" => "Italiano",
  34                                         "ja_JP" => "日本語 (Japanese)",
  35                                         "nb_NO" => "Norwegian bokmål",
  36                                         "ru_RU" => "Русский",
  37                                         "pt_BR" => "Portuguese/Brazil",
  38                                         "zh_CN" => "Simplified Chinese");
  39
  40                 return $tr;
  41         }
  42
  43         if (ENABLE_TRANSLATIONS == true) { // If translations are enabled.
  44                 require_once "lib/accept-to-gettext.php";
  45                 require_once "lib/gettext/gettext.inc";
  46
  47                 function startup_gettext() {
  48
  49                         # Get locale from Accept-Language header
  50                         $lang = al2gt(array_keys(get_translations()), "text/html");
  51
  52                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  53                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  54                         }
  55
  56                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  57                                 $lang = $_COOKIE["ttrss_lang"];
  58                         }
  59
  60                         /* In login action of mobile version */
  61                         if ($_POST["language"] && defined('MOBILE_VERSION')) {
  62                                 $lang = $_POST["language"];
  63                                 $_COOKIE["ttrss_lang"] = $lang;
  64                         }
  65
  66                         if ($lang) {
  67                                 if (defined('LC_MESSAGES')) {
  68                                         _setlocale(LC_MESSAGES, $lang);
  69                                 } else if (defined('LC_ALL')) {
  70                                         _setlocale(LC_ALL, $lang);
  71                                 } else {
  72                                         die("can't setlocale(): please set ENABLE_TRANSLATIONS to false in config.php");
  73                                 }
  74
  75                                 if (defined('MOBILE_VERSION')) {
  76                                         _bindtextdomain("messages", "../locale");
  77                                 } else {
  78                                         _bindtextdomain("messages", "locale");
  79                                 }
  80
  81                                 _textdomain("messages");
  82                                 _bind_textdomain_codeset("messages", "UTF-8");
  83                         }
  84                 }
  85
  86                 startup_gettext();
  87
  88         } else { // If translations are enabled.
  89                 function __($msg) {
  90                         return $msg;
  91                 }
  92                 function startup_gettext() {
  93                         // no-op
  94                         return true;
  95                 }
  96         } // If translations are enabled.
  97
  98         if (defined('MEMCACHE_SERVER')) {
  99                 $memcache = new Memcache;
 100                 $memcache->connect(MEMCACHE_SERVER, 11211);
 101         }
 102
 103         require_once 'db-prefs.php';
 104         require_once 'compat.php';
 105         require_once 'errors.php';
 106         require_once 'version.php';
 107
 108         require_once 'lib/phpmailer/class.phpmailer.php';
 109         require_once 'lib/sphinxapi.php';
 110
 111         define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
 112         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
 113         define('MAGPIE_CACHE_AGE', 60*15); // 15 minutes
 114
 115         require_once "lib/simplepie/simplepie.inc";
 116         require_once "lib/magpierss/rss_fetch.inc";
 117         require_once 'lib/magpierss/rss_utils.inc';
 118         require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
 119
 120         /**
 121          * Print a timestamped debug message.
 122          *
 123          * @param string $msg The debug message.
 124          * @return void
 125          */
 126         function _debug($msg) {
 127                 $ts = strftime("%H:%M:%S", time());
 128                 if (function_exists('posix_getpid')) {
 129                         $ts = "$ts/" . posix_getpid();
 130                 }
 131                 print "[$ts] $msg\n";
 132         } // function _debug
 133
 134         /**
 135          * Purge a feed old posts.
 136          *
 137          * @param mixed $link A database connection.
 138          * @param mixed $feed_id The id of the purged feed.
 139          * @param mixed $purge_interval Olderness of purged posts.
 140          * @param boolean $debug Set to True to enable the debug. False by default.
 141          * @access public
 142          * @return void
 143          */
 144         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 145
 146                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 147
 148                 $rows = -1;
 149
 150                 $result = db_query($link,
 151                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 152
 153                 $owner_uid = false;
 154
 155                 if (db_num_rows($result) == 1) {
 156                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 157                 }
 158
 159                 if ($purge_interval == -1 || !$purge_interval) {
 160                         if ($owner_uid) {
 161                                 ccache_update($link, $feed_id, $owner_uid);
 162                         }
 163                         return;
 164                 }
 165
 166                 if (!$owner_uid) return;
 167
 168                 if (FORCE_ARTICLE_PURGE == 0) {
 169                         $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 170                                 $owner_uid, false);
 171                 } else {
 172                         $purge_unread = true;
 173                         $purge_interval = FORCE_ARTICLE_PURGE;
 174                 }
 175
 176                 if (!$purge_unread) $query_limit = " unread = false AND ";
 177
 178                 if (DB_TYPE == "pgsql") {
 179 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 180                                 marked = false AND feed_id = '$feed_id' AND
 181                                 (SELECT date_updated FROM ttrss_entries WHERE
 182                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
 183
 184                         $pg_version = get_pgsql_version($link);
 185
 186                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 187
 188                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 189                                         ttrss_entries.id = ref_id AND
 190                                         marked = false AND
 191                                         feed_id = '$feed_id' AND
 192                                         $query_limit
 193                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 194
 195                         } else {
 196
 197                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 198                                         USING ttrss_entries
 199                                         WHERE ttrss_entries.id = ref_id AND
 200                                         marked = false AND
 201                                         feed_id = '$feed_id' AND
 202                                         $query_limit
 203                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 204                         }
 205
 206                         $rows = pg_affected_rows($result);
 207
 208                 } else {
 209
 210 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 211                                 marked = false AND feed_id = '$feed_id' AND
 212                                 (SELECT date_updated FROM ttrss_entries WHERE
 213                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 214
 215                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 216                                 USING ttrss_user_entries, ttrss_entries
 217                                 WHERE ttrss_entries.id = ref_id AND
 218                                 marked = false AND
 219                                 feed_id = '$feed_id' AND
 220                                 $query_limit
 221                                 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 222
 223                         $rows = mysql_affected_rows($link);
 224
 225                 }
 226
 227                 ccache_update($link, $feed_id, $owner_uid);
 228
 229                 if ($debug) {
 230                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 231                 }
 232         } // function purge_feed
 233
 234         /**
 235          * Purge old posts from old feeds. Not used anymore, purging is done after feed update.
 236          *
 237          * @param mixed $link A database connection
 238          * @param boolean $do_output Set to true to enable printed output, false by default.
 239          * @param integer $limit The maximal number of removed posts.
 240          * @access public
 241          * @return void
 242          */
 243         /* function global_purge_old_posts($link, $do_output = false, $limit = false) {
 244
 245                 $random_qpart = sql_random_function();
 246
 247                 if ($limit) {
 248                         $limit_qpart = "LIMIT $limit";
 249                 } else {
 250                         $limit_qpart = "";
 251                 }
 252
 253                 $result = db_query($link,
 254                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 255                                 ORDER BY $random_qpart $limit_qpart");
 256
 257                 while ($line = db_fetch_assoc($result)) {
 258
 259                         $feed_id = $line["id"];
 260                         $purge_interval = $line["purge_interval"];
 261                         $owner_uid = $line["owner_uid"];
 262
 263                         if ($purge_interval == 0) {
 264
 265                                 $tmp_result = db_query($link,
 266                                         "SELECT value FROM ttrss_user_prefs WHERE
 267                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 268
 269                                 if (db_num_rows($tmp_result) != 0) {
 270                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 271                                 }
 272                         }
 273
 274                         if ($do_output) {
 275 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 276                         }
 277
 278                         if ($purge_interval > 0 || FORCE_ARTICLE_PURGE) {
 279                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 280                         }
 281                 }
 282
 283                 purge_orphans($link, $do_output);
 284
 285         } // function global_purge_old_posts */
 286
 287         function feed_purge_interval($link, $feed_id) {
 288
 289                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 290                         WHERE id = '$feed_id'");
 291
 292                 if (db_num_rows($result) == 1) {
 293                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 294                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 295
 296                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 297                                 'PURGE_OLD_DAYS', $owner_uid);
 298
 299                         return $purge_interval;
 300
 301                 } else {
 302                         return -1;
 303                 }
 304         }
 305
 306         function purge_old_posts($link) {
 307
 308                 $user_id = $_SESSION["uid"];
 309
 310                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 311                         WHERE owner_uid = '$user_id'");
 312
 313                 while ($line = db_fetch_assoc($result)) {
 314
 315                         $feed_id = $line["id"];
 316                         $purge_interval = $line["purge_interval"];
 317
 318                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 319
 320                         if ($purge_interval > 0) {
 321                                 purge_feed($link, $feed_id, $purge_interval);
 322                         }
 323                 }
 324
 325                 purge_orphans($link);
 326         }
 327
 328         function purge_orphans($link, $do_output = false) {
 329
 330                 // purge orphaned posts in main content table
 331                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 332                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 333
 334                 if ($do_output) {
 335                         $rows = db_affected_rows($link, $result);
 336                         _debug("Purged $rows orphaned posts.");
 337                 }
 338         }
 339
 340         function get_feed_update_interval($link, $feed_id) {
 341                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 342                         ttrss_feeds WHERE id = '$feed_id'");
 343
 344                 if (db_num_rows($result) == 1) {
 345                         $update_interval = db_fetch_result($result, 0, "update_interval");
 346                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 347
 348                         if ($update_interval != 0) {
 349                                 return $update_interval;
 350                         } else {
 351                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 352                         }
 353
 354                 } else {
 355                         return -1;
 356                 }
 357         }
 358
 359         function fetch_file_contents($url, $type = false) {
 360                 if (USE_CURL_FOR_ICONS) {
 361                         $ch = curl_init($url);
 362
 363                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 364                         curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 365                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
 366                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
 367                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 368                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 369
 370                         $contents = @curl_exec($ch);
 371                         if ($contents === false) {
 372                                 curl_close($ch);
 373                                 return false;
 374                         }
 375
 376                         $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 377                         curl_close($ch);
 378
 379                         if ($type && strpos($content_type, "$type") === false) {
 380                                 return false;
 381                         }
 382
 383                         return $contents;
 384                 } else {
 385                         return @file_get_contents($url);
 386                 }
 387
 388         }
 389
 390         /**
 391          * Try to determine the favicon URL for a feed.
 392          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 393          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 394          *
 395          * @param string $url A feed or page URL
 396          * @access public
 397          * @return mixed The favicon URL, or false if none was found.
 398          */
 399         function get_favicon_url($url) {
 400
 401                 $favicon_url = false;
 402
 403                 if ($html = @fetch_file_contents($url)) {
 404
 405                         libxml_use_internal_errors(true);
 406
 407                         $doc = new DOMDocument();
 408                         $doc->loadHTML($html);
 409                         $xpath = new DOMXPath($doc);
 410                         $entries = $xpath->query('/html/head/link[@rel="shortcut icon"]');
 411
 412                         if (count($entries) > 0) {
 413                                 foreach ($entries as $entry) {
 414                                         $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
 415                                         break;
 416                                 }
 417                         }
 418                 }
 419
 420                 if (!$favicon_url)
 421                         $favicon_url = rewrite_relative_url($url, "/favicon.ico");
 422
 423                 // Run a test to see if what we have attempted to get actually exists.
 424                 if(USE_CURL_FOR_ICONS || url_validate($favicon_url)) {
 425                         return $favicon_url;
 426                 } else {
 427                         return false;
 428                 }
 429         } // function get_favicon_url
 430
 431         /**
 432          * Check if a link is a valid and working URL.
 433          *
 434          * @param mixed $link A URL to check
 435          * @access public
 436          * @return boolean True if the URL is valid, false otherwise.
 437          */
 438         function url_validate($link) {
 439
 440                 $url_parts = @parse_url($link);
 441
 442                 if ( empty( $url_parts["host"] ) )
 443                                 return false;
 444
 445                 if ( !empty( $url_parts["path"] ) ) {
 446                                 $documentpath = $url_parts["path"];
 447                 } else {
 448                                 $documentpath = "/";
 449                 }
 450
 451                 if ( !empty( $url_parts["query"] ) )
 452                                 $documentpath .= "?" . $url_parts["query"];
 453
 454                 $host = $url_parts["host"];
 455                 $port = $url_parts["port"];
 456
 457                 if ( empty($port) )
 458                                 $port = "80";
 459
 460                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 461
 462                 if ( !$socket )
 463                                 return false;
 464
 465                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 466
 467                 $http_response = fgets( $socket, 22 );
 468
 469                 $responses = "/(200 OK)|(30[123])/";
 470                 if ( preg_match($responses, $http_response) ) {
 471                                 fclose($socket);
 472                                 return true;
 473                 } else {
 474                                 return false;
 475                 }
 476
 477         } // function url_validate
 478
 479         function check_feed_favicon($site_url, $feed, $link) {
 480                 $favicon_url = get_favicon_url($site_url);
 481
 482 #               print "FAVICON [$site_url]: $favicon_url\n";
 483
 484                 $icon_file = ICONS_DIR . "/$feed.ico";
 485
 486                 if ($favicon_url && !file_exists($icon_file)) {
 487                         $contents = fetch_file_contents($favicon_url, "image");
 488
 489                         if ($contents) {
 490                                 $fp = fopen($icon_file, "w");
 491
 492                                 if ($fp) {
 493                                         fwrite($fp, $contents);
 494                                         fclose($fp);
 495                                         chmod($icon_file, 0644);
 496                                 }
 497                         }
 498                 }
 499         }
 500
 501         function update_rss_feed($link, $feed, $ignore_daemon = false) {
 502
 503                 global $memcache;
 504
 505                 /* Update all feeds with the same URL to utilize memcache */
 506
 507                 if ($memcache) {
 508                         $result = db_query($link, "SELECT f1.id
 509                                 FROM ttrss_feeds AS f1, ttrss_feeds AS f2
 510                                 WHERE   f2.feed_url = f1.feed_url AND f2.id = '$feed'");
 511
 512                         while ($line = db_fetch_assoc($result)) {
 513                                 update_rss_feed_real($link, $line["id"], $ignore_daemon);
 514                         }
 515                 } else {
 516                         update_rss_feed_real($link, $feed, $ignore_daemon);
 517                 }
 518         }
 519
 520         function update_rss_feed_real($link, $feed, $ignore_daemon = false) {
 521
 522                 global $memcache;
 523
 524                 if (!$_REQUEST["daemon"] && !$ignore_daemon) {
 525                         return false;
 526                 }
 527
 528                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 529                         _debug("update_rss_feed: start");
 530                 }
 531
 532                 if (!$ignore_daemon) {
 533
 534                         if (DB_TYPE == "pgsql") {
 535                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 536                                 } else {
 537                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 538                                 }
 539
 540                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 541                                 auth_pass,cache_images,update_method
 542                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 543
 544                 } else {
 545
 546                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 547                                 feed_url,auth_pass,cache_images,update_method,last_updated
 548                                 FROM ttrss_feeds WHERE id = '$feed'");
 549
 550                 }
 551
 552                 if (db_num_rows($result) == 0) {
 553                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 554                                 _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED");
 555                         }
 556                         return false;
 557                 }
 558
 559                 $update_method = db_fetch_result($result, 0, "update_method");
 560                 $last_updated = db_fetch_result($result, 0, "last_updated");
 561
 562                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 563                         WHERE id = '$feed'");
 564
 565                 $auth_login = db_fetch_result($result, 0, "auth_login");
 566                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 567
 568                 if (DEFAULT_UPDATE_METHOD == "1") {
 569                         $use_simplepie = $update_method != 1;
 570                 } else {
 571                         $use_simplepie = $update_method == 2;
 572                 }
 573
 574                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 575                         _debug("use simplepie: $use_simplepie (feed setting: $update_method)\n");
 576                 }
 577
 578                 if (!$use_simplepie) {
 579                         $auth_login = urlencode($auth_login);
 580                         $auth_pass = urlencode($auth_pass);
 581                 }
 582
 583                 $update_interval = db_fetch_result($result, 0, "update_interval");
 584                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 585                 $fetch_url = db_fetch_result($result, 0, "feed_url");
 586
 587                 if ($update_interval < 0) { return; }
 588
 589                 $feed = db_escape_string($feed);
 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') || $_REQUEST['xdebug']) {
 602                         _debug("update_rss_feed: fetching [$fetch_url]...");
 603                 }
 604
 605                 $obj_id = md5("FDATA:$use_simplepie:$fetch_url");
 606
 607                 if ($memcache && $obj = $memcache->get($obj_id)) {
 608
 609                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 610                                 _debug("update_rss_feed: data found in memcache.");
 611                         }
 612
 613                         $rss = $obj;
 614
 615                 } else {
 616
 617                         if (!$use_simplepie) {
 618                                 $rss = @fetch_rss($fetch_url);
 619                         } else {
 620                                 if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 621                                         mkdir(SIMPLEPIE_CACHE_DIR);
 622                                 }
 623
 624                                 $rss = new SimplePie();
 625                                 $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
 626         #                       $rss->set_timeout(10);
 627                                 $rss->set_feed_url($fetch_url);
 628                                 $rss->set_output_encoding('UTF-8');
 629
 630                                 if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 631                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 632                                                 _debug("enabling image cache");
 633                                         }
 634
 635                                         $rss->set_image_handler('./image.php', 'i');
 636                                 }
 637
 638                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 639                                         _debug("feed update interval (sec): " .
 640                                                 get_feed_update_interval($link, $feed)*60);
 641                                 }
 642
 643                                 if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 644                                         $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 645                                         $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 646                                 }
 647
 648                                 $rss->init();
 649                         }
 650
 651                         if ($memcache && $rss) $memcache->add($obj_id, $rss, 0, 300);
 652                 }
 653
 654 //              print_r($rss);
 655
 656                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 657                         _debug("update_rss_feed: fetch done, parsing...");
 658                 }
 659
 660                 $feed = db_escape_string($feed);
 661
 662                 if ($use_simplepie) {
 663                         $fetch_ok = !$rss->error();
 664                 } else {
 665                         $fetch_ok = !!$rss;
 666                 }
 667
 668                 if ($fetch_ok) {
 669
 670                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 671                                 _debug("update_rss_feed: processing feed data...");
 672                         }
 673
 674 //                      db_query($link, "BEGIN");
 675
 676                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 677                                 FROM ttrss_feeds WHERE id = '$feed'");
 678
 679                         $registered_title = db_fetch_result($result, 0, "title");
 680                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 681                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 682
 683                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 684
 685                         if ($use_simplepie) {
 686                                 $site_url = $rss->get_link();
 687                         } else {
 688                                 $site_url = $rss->channel["link"];
 689                         }
 690
 691                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 692                                 _debug("update_rss_feed: checking favicon...");
 693                         }
 694
 695                         check_feed_favicon($site_url, $feed, $link);
 696
 697                         if (!$registered_title || $registered_title == "[Unknown]") {
 698
 699                                 if ($use_simplepie) {
 700                                         $feed_title = db_escape_string($rss->get_title());
 701                                 } else {
 702                                         $feed_title = db_escape_string($rss->channel["title"]);
 703                                 }
 704
 705                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 706                                         _debug("update_rss_feed: registering title: $feed_title");
 707                                 }
 708
 709                                 db_query($link, "UPDATE ttrss_feeds SET
 710                                         title = '$feed_title' WHERE id = '$feed'");
 711                         }
 712
 713                         // weird, weird Magpie
 714                         if (!$use_simplepie) {
 715                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 716                         }
 717
 718                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 719                                 db_query($link, "UPDATE ttrss_feeds SET
 720                                         site_url = '$site_url' WHERE id = '$feed'");
 721                         }
 722
 723 //                      print "I: " . $rss->channel["image"]["url"];
 724
 725                         if (!$use_simplepie) {
 726                                 $icon_url = db_escape_string($rss->image["url"]);
 727                         } else {
 728                                 $icon_url = db_escape_string($rss->get_image_url());
 729                         }
 730
 731                         if ($icon_url && $orig_icon_url != $icon_url) {
 732                                 if (USE_CURL_FOR_ICONS || url_validate($icon_url)) {
 733                                         db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 734                                 }
 735                         }
 736
 737                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 738                                 _debug("update_rss_feed: loading filters...");
 739                         }
 740
 741                         $filters = load_filters($link, $feed, $owner_uid);
 742
 743                         if ($use_simplepie) {
 744                                 $iterator = $rss->get_items();
 745                         } else {
 746                                 $iterator = $rss->items;
 747                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 748                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 749                         }
 750
 751                         if (!is_array($iterator)) {
 752                                 /* db_query($link, "UPDATE ttrss_feeds
 753                                         SET last_error = 'Parse error: can\'t find any articles.'
 754                                         WHERE id = '$feed'"); */
 755
 756                                 // clear any errors and mark feed as updated if fetched okay
 757                                 // even if it's blank
 758
 759                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 760                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 761                                 }
 762
 763                                 db_query($link, "UPDATE ttrss_feeds
 764                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 765
 766                                 return; // no articles
 767                         }
 768
 769                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 770                                 _debug("update_rss_feed: processing articles...");
 771                         }
 772
 773                         foreach ($iterator as $item) {
 774
 775                                 if ($_REQUEST['xdebug'] == 2) {
 776                                         print_r($item);
 777                                 }
 778
 779                                 if ($use_simplepie) {
 780                                         $entry_guid = $item->get_id();
 781                                         if (!$entry_guid) $entry_guid = $item->get_link();
 782                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 783
 784                                 } else {
 785
 786                                         $entry_guid = $item["id"];
 787
 788                                         if (!$entry_guid) $entry_guid = $item["guid"];
 789                                         if (!$entry_guid) $entry_guid = $item["link"];
 790                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 791                                 }
 792
 793                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 794                                         _debug("update_rss_feed: guid $entry_guid");
 795                                 }
 796
 797                                 if (!$entry_guid) continue;
 798
 799                                 $entry_timestamp = "";
 800
 801                                 if ($use_simplepie) {
 802                                         $entry_timestamp = strtotime($item->get_date());
 803                                 } else {
 804                                         $rss_2_date = $item['pubdate'];
 805                                         $rss_1_date = $item['dc']['date'];
 806                                         $atom_date = $item['issued'];
 807                                         if (!$atom_date) $atom_date = $item['updated'];
 808
 809                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 810                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 811                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 812
 813                                 }
 814
 815                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 816                                         $entry_timestamp = time();
 817                                         $no_orig_date = 'true';
 818                                 } else {
 819                                         $no_orig_date = 'false';
 820                                 }
 821
 822                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 823
 824                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 825                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
 826                                 }
 827
 828                                 if ($use_simplepie) {
 829                                         $entry_title = $item->get_title();
 830                                 } else {
 831                                         $entry_title = trim(strip_tags($item["title"]));
 832                                 }
 833
 834                                 if ($use_simplepie) {
 835                                         $entry_link = $item->get_link();
 836                                 } else {
 837                                         // strange Magpie workaround
 838                                         $entry_link = $item["link_"];
 839                                         if (!$entry_link) $entry_link = $item["link"];
 840                                 }
 841
 842                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 843                                         _debug("update_rss_feed: title $entry_title");
 844                                 }
 845
 846                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 847
 848                                 $entry_link = strip_tags($entry_link);
 849
 850                                 if ($use_simplepie) {
 851                                         $entry_content = $item->get_content();
 852                                         if (!$entry_content) $entry_content = $item->get_description();
 853                                 } else {
 854                                         $entry_content = $item["content:escaped"];
 855
 856                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 857                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 858                                         if (!$entry_content) $entry_content = $item["content"];
 859
 860                                         // Magpie bugs are getting ridiculous
 861                                         if (trim($entry_content) == "Array") $entry_content = false;
 862
 863                                         if (!$entry_content) $entry_content = $item["atom_content"];
 864                                         if (!$entry_content) $entry_content = $item["summary"];
 865
 866                                         if (!$entry_content ||
 867                                                 strlen($entry_content) < strlen($item["description"])) {
 868                                                         $entry_content = $item["description"];
 869                                         };
 870
 871                                         // WTF
 872                                         if (is_array($entry_content)) {
 873                                                 $entry_content = $entry_content["encoded"];
 874                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 875                                         }
 876                                 }
 877
 878                                 if ($_REQUEST["xdebug"] == 2) {
 879                                         print "update_rss_feed: content: ";
 880                                         print_r(htmlspecialchars($entry_content));
 881                                 }
 882
 883                                 $entry_content_unescaped = $entry_content;
 884
 885                                 if ($use_simplepie) {
 886                                         $entry_comments = strip_tags($item->data["comments"]);
 887                                         if ($item->get_author()) {
 888                                                 $entry_author_item = $item->get_author();
 889                                                 $entry_author = $entry_author_item->get_name();
 890                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 891
 892                                                 $entry_author = db_escape_string($entry_author);
 893                                         }
 894                                 } else {
 895                                         $entry_comments = strip_tags($item["comments"]);
 896
 897                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 898
 899                                         if ($item['author']) {
 900
 901                                                 if (is_array($item['author'])) {
 902
 903                                                         if (!$entry_author) {
 904                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 905                                                         }
 906
 907                                                         if (!$entry_author) {
 908                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 909                                                         }
 910                                                 }
 911
 912                                                 if (!$entry_author) {
 913                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 914                                                 }
 915                                         }
 916                                 }
 917
 918                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 919
 920                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 921                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 922
 923                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 924                                         WHERE guid = '$entry_guid'");
 925
 926                                 $entry_content = db_escape_string($entry_content);
 927
 928                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 929
 930                                 $entry_title = db_escape_string($entry_title);
 931                                 $entry_link = db_escape_string($entry_link);
 932                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 933                                 $entry_author = mb_substr($entry_author, 0, 250);
 934
 935                                 if ($use_simplepie) {
 936                                         $num_comments = 0; #FIXME#
 937                                 } else {
 938                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 939                                 }
 940
 941                                 if (!$num_comments) $num_comments = 0;
 942
 943                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 944                                         _debug("update_rss_feed: looking for tags [1]...");
 945                                 }
 946
 947                                 // parse <category> entries into tags
 948
 949                                 $additional_tags = array();
 950
 951                                 if ($use_simplepie) {
 952
 953                                         $additional_tags_src = $item->get_categories();
 954
 955                                         if (is_array($additional_tags_src)) {
 956                                                 foreach ($additional_tags_src as $tobj) {
 957                                                         array_push($additional_tags, $tobj->get_term());
 958                                                 }
 959                                         }
 960
 961                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 962                                                 _debug("update_rss_feed: category tags:");
 963                                                 print_r($additional_tags);
 964                                         }
 965
 966                                 } else {
 967
 968                                         $t_ctr = $item['category#'];
 969
 970                                         if ($t_ctr == 0) {
 971                                                 $additional_tags = array();
 972                                         } else if ($t_ctr > 0) {
 973                                                 $additional_tags = array($item['category']);
 974
 975                                                 if ($item['category@term']) {
 976                                                         array_push($additional_tags, $item['category@term']);
 977                                                 }
 978
 979                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 980                                                         if ($item["category#$i"]) {
 981                                                                 array_push($additional_tags, $item["category#$i"]);
 982                                                         }
 983
 984                                                         if ($item["category#$i@term"]) {
 985                                                                 array_push($additional_tags, $item["category#$i@term"]);
 986                                                         }
 987                                                 }
 988                                         }
 989
 990                                         // parse <dc:subject> elements
 991
 992                                         $t_ctr = $item['dc']['subject#'];
 993
 994                                         if ($t_ctr > 0) {
 995                                                 array_push($additional_tags, $item['dc']['subject']);
 996
 997                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 998                                                         if ($item['dc']["subject#$i"]) {
 999                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
1000                                                         }
1001                                                 }
1002                                         }
1003                                 }
1004
1005                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1006                                         _debug("update_rss_feed: looking for tags [2]...");
1007                                 }
1008
1009                                 /* taaaags */
1010                                 // <a href="..." rel="tag">Xorg</a>, //
1011
1012                                 $entry_tags = null;
1013
1014                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?\>([^<]+)<\/a>/i",
1015                                         $entry_content_unescaped, $entry_tags);
1016
1017                                 $entry_tags = $entry_tags[1];
1018
1019                                 $entry_tags = array_merge($entry_tags, $additional_tags);
1020                                 $entry_tags = array_unique($entry_tags);
1021
1022                                 for ($i = 0; $i < count($entry_tags); $i++)
1023                                         $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
1024
1025                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1026                                         _debug("update_rss_feed: unfiltered tags found:");
1027                                         print_r($entry_tags);
1028                                 }
1029
1030                                 # sanitize content
1031
1032                                 $entry_content = sanitize_article_content($entry_content);
1033                                 $entry_title = sanitize_article_content($entry_title);
1034
1035                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1036                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1037                                 }
1038
1039                                 db_query($link, "BEGIN");
1040
1041                                 if (db_num_rows($result) == 0) {
1042
1043                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1044                                                 _debug("update_rss_feed: base guid not found");
1045                                         }
1046
1047                                         // base post entry does not exist, create it
1048
1049                                         $result = db_query($link,
1050                                                 "INSERT INTO ttrss_entries
1051                                                         (title,
1052                                                         guid,
1053                                                         link,
1054                                                         updated,
1055                                                         content,
1056                                                         content_hash,
1057                                                         no_orig_date,
1058                                                         date_updated,
1059                                                         date_entered,
1060                                                         comments,
1061                                                         num_comments,
1062                                                         author)
1063                                                 VALUES
1064                                                         ('$entry_title',
1065                                                         '$entry_guid',
1066                                                         '$entry_link',
1067                                                         '$entry_timestamp_fmt',
1068                                                         '$entry_content',
1069                                                         '$content_hash',
1070                                                         $no_orig_date,
1071                                                         NOW(),
1072                                                         NOW(),
1073                                                         '$entry_comments',
1074                                                         '$num_comments',
1075                                                         '$entry_author')");
1076                                 } else {
1077                                         // we keep encountering the entry in feeds, so we need to
1078                                         // update date_updated column so that we don't get horrible
1079                                         // dupes when the entry gets purged and reinserted again e.g.
1080                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1081
1082                                         $base_entry_id = db_fetch_result($result, 0, "id");
1083
1084                                         db_query($link, "UPDATE ttrss_entries SET date_updated = NOW()
1085                                                 WHERE id = '$base_entry_id'");
1086                                 }
1087
1088                                 // now it should exist, if not - bad luck then
1089
1090                                 $result = db_query($link, "SELECT
1091                                                 id,content_hash,no_orig_date,title,
1092                                                 ".SUBSTRING_FOR_DATE."(date_updated,1,19) as date_updated,
1093                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1094                                                 num_comments
1095                                         FROM
1096                                                 ttrss_entries
1097                                         WHERE guid = '$entry_guid'");
1098
1099                                 $entry_ref_id = 0;
1100                                 $entry_int_id = 0;
1101
1102                                 if (db_num_rows($result) == 1) {
1103
1104                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1105                                                 _debug("update_rss_feed: base guid found, checking for user record");
1106                                         }
1107
1108                                         // this will be used below in update handler
1109                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1110                                         $orig_title = db_fetch_result($result, 0, "title");
1111                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1112                                         $orig_date_updated = strtotime(db_fetch_result($result,
1113                                                 0, "date_updated"));
1114
1115                                         $ref_id = db_fetch_result($result, 0, "id");
1116                                         $entry_ref_id = $ref_id;
1117
1118                                         // check for user post link to main table
1119
1120                                         // do we allow duplicate posts with same GUID in different feeds?
1121                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1122                                                 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
1123                                         } else {
1124                                                 $dupcheck_qpart = "";
1125                                         }
1126
1127                                         /* Collect article tags here so we could filter by them: */
1128
1129                                         $article_filters = get_article_filters($filters, $entry_title,
1130                                                 $entry_content, $entry_link, $entry_timestamp, $entry_author,
1131                                                 $entry_tags);
1132
1133                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1134                                                 _debug("update_rss_feed: article filters: ");
1135                                                 if (count($article_filters) != 0) {
1136                                                         print_r($article_filters);
1137                                                 }
1138                                         }
1139
1140                                         if (find_article_filter($article_filters, "filter")) {
1141                                                 db_query($link, "COMMIT"); // close transaction in progress
1142                                                 continue;
1143                                         }
1144
1145                                         $score = calculate_article_score($article_filters);
1146
1147                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1148                                                 _debug("update_rss_feed: initial score: $score");
1149                                         }
1150
1151                                         $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1152                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1153                                                         $dupcheck_qpart";
1154
1155 //                                      if ($_REQUEST["xdebug"]) print "$query\n";
1156
1157                                         $result = db_query($link, $query);
1158
1159                                         // okay it doesn't exist - create user entry
1160                                         if (db_num_rows($result) == 0) {
1161
1162                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1163                                                         _debug("update_rss_feed: user record not found, creating...");
1164                                                 }
1165
1166                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1167                                                         $unread = 'true';
1168                                                         $last_read_qpart = 'NULL';
1169                                                 } else {
1170                                                         $unread = 'false';
1171                                                         $last_read_qpart = 'NOW()';
1172                                                 }
1173
1174                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1175                                                         $marked = 'true';
1176                                                 } else {
1177                                                         $marked = 'false';
1178                                                 }
1179
1180                                                 if (find_article_filter($article_filters, 'publish')) {
1181                                                         $published = 'true';
1182                                                 } else {
1183                                                         $published = 'false';
1184                                                 }
1185
1186                                                 $result = db_query($link,
1187                                                         "INSERT INTO ttrss_user_entries
1188                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1189                                                                         published, score, tag_cache, label_cache)
1190                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1191                                                                 $last_read_qpart, $marked, $published, '$score', '', '')");
1192
1193                                                 $result = db_query($link,
1194                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1195                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1196                                                                 feed_id = '$feed' LIMIT 1");
1197
1198                                                 if (db_num_rows($result) == 1) {
1199                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1200                                                 }
1201                                         } else {
1202                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1203                                                         _debug("update_rss_feed: user record FOUND");
1204                                                 }
1205
1206                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1207                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1208                                         }
1209
1210                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1211                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1212                                         }
1213
1214                                         $post_needs_update = false;
1215
1216                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1217                                                 ($content_hash != $orig_content_hash)) {
1218 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1219                                                 $post_needs_update = true;
1220                                         }
1221
1222                                         if (db_escape_string($orig_title) != $entry_title) {
1223                                                 $post_needs_update = true;
1224                                         }
1225
1226                                         if ($orig_num_comments != $num_comments) {
1227                                                 $post_needs_update = true;
1228                                         }
1229
1230 //                                      this doesn't seem to be very reliable
1231 //
1232 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1233 //                                              $post_needs_update = true;
1234 //                                      }
1235
1236                                         // if post needs update, update it and mark all user entries
1237                                         // linking to this post as updated
1238                                         if ($post_needs_update) {
1239
1240                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1241                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1242                                                 }
1243
1244 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1245
1246                                                 db_query($link, "UPDATE ttrss_entries
1247                                                         SET title = '$entry_title', content = '$entry_content',
1248                                                                 content_hash = '$content_hash',
1249                                                                 num_comments = '$num_comments'
1250                                                         WHERE id = '$ref_id'");
1251
1252                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1253                                                         db_query($link, "UPDATE ttrss_user_entries
1254                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1255                                                 } else {
1256                                                         db_query($link, "UPDATE ttrss_user_entries
1257                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1258                                                 }
1259
1260                                         }
1261                                 }
1262
1263                                 db_query($link, "COMMIT");
1264
1265                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1266                                         _debug("update_rss_feed: assigning labels...");
1267                                 }
1268
1269                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1270                                         $owner_uid);
1271
1272                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1273                                         _debug("update_rss_feed: looking for enclosures...");
1274                                 }
1275
1276                                 // enclosures
1277
1278                                 $enclosures = array();
1279
1280                                 if ($use_simplepie) {
1281                                         $encs = $item->get_enclosures();
1282
1283                                         if (is_array($encs)) {
1284                                                 foreach ($encs as $e) {
1285                                                         $e_item = array(
1286                                                                 $e->link, $e->type, $e->length);
1287
1288                                                         array_push($enclosures, $e_item);
1289                                                 }
1290                                         }
1291
1292                                 } else {
1293                                         // <enclosure>
1294
1295                                         $e_ctr = $item['enclosure#'];
1296
1297                                         if ($e_ctr > 0) {
1298                                                 $e_item = array($item['enclosure@url'],
1299                                                         $item['enclosure@type'],
1300                                                         $item['enclosure@length']);
1301
1302                                                 array_push($enclosures, $e_item);
1303
1304                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1305
1306                                                         if ($item["enclosure#$i@url"]) {
1307                                                                 $e_item = array($item["enclosure#$i@url"],
1308                                                                         $item["enclosure#$i@type"],
1309                                                                         $item["enclosure#$i@length"]);
1310                                                                 array_push($enclosures, $e_item);
1311                                                         }
1312                                                 }
1313                                         }
1314
1315                                         // <media:content>
1316                                         // can there be many of those? yes -fox
1317
1318                                         $m_ctr = $item['media']['content#'];
1319
1320                                         if ($m_ctr > 0) {
1321                                                 $e_item = array($item['media']['content@url'],
1322                                                         $item['media']['content@medium'],
1323                                                         $item['media']['content@length']);
1324
1325                                                 array_push($enclosures, $e_item);
1326
1327                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1328
1329                                                         if ($item["media"]["content#$i@url"]) {
1330                                                                 $e_item = array($item["media"]["content#$i@url"],
1331                                                                         $item["media"]["content#$i@medium"],
1332                                                                         $item["media"]["content#$i@length"]);
1333                                                                 array_push($enclosures, $e_item);
1334                                                         }
1335                                                 }
1336
1337                                         }
1338                                 }
1339
1340
1341                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1342                                         _debug("update_rss_feed: article enclosures:");
1343                                         print_r($enclosures);
1344                                 }
1345
1346                                 db_query($link, "BEGIN");
1347
1348                                 foreach ($enclosures as $enc) {
1349                                         $enc_url = db_escape_string($enc[0]);
1350                                         $enc_type = db_escape_string($enc[1]);
1351                                         $enc_dur = db_escape_string($enc[2]);
1352
1353                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1354                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1355
1356                                         if (db_num_rows($result) == 0) {
1357                                                 db_query($link, "INSERT INTO ttrss_enclosures
1358                                                         (content_url, content_type, title, duration, post_id) VALUES
1359                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1360                                         }
1361                                 }
1362
1363                                 db_query($link, "COMMIT");
1364
1365                                 // check for manual tags (we have to do it here since they're loaded from filters)
1366
1367                                 foreach ($article_filters as $f) {
1368                                         if ($f[0] == "tag") {
1369
1370                                                 $manual_tags = trim_array(split(",", $f[1]));
1371
1372                                                 foreach ($manual_tags as $tag) {
1373                                                         if (tag_is_valid($tag)) {
1374                                                                 array_push($entry_tags, $tag);
1375                                                         }
1376                                                 }
1377                                         }
1378                                 }
1379
1380                                 // Skip boring tags
1381
1382                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1383                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1384
1385                                 $filtered_tags = array();
1386                                 $tags_to_cache = array();
1387
1388                                 if ($entry_tags && is_array($entry_tags)) {
1389                                         foreach ($entry_tags as $tag) {
1390                                                 if (array_search($tag, $boring_tags) === false) {
1391                                                         array_push($filtered_tags, $tag);
1392                                                 }
1393                                         }
1394                                 }
1395
1396                                 $filtered_tags = array_unique($filtered_tags);
1397
1398                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1399                                         _debug("update_rss_feed: filtered article tags:");
1400                                         print_r($filtered_tags);
1401                                 }
1402
1403                                 // Save article tags in the database
1404
1405                                 if (count($filtered_tags) > 0) {
1406
1407                                         db_query($link, "BEGIN");
1408
1409                                         foreach ($filtered_tags as $tag) {
1410
1411                                                 $tag = sanitize_tag($tag);
1412                                                 $tag = db_escape_string($tag);
1413
1414                                                 if (!tag_is_valid($tag)) continue;
1415
1416                                                 $result = db_query($link, "SELECT id FROM ttrss_tags
1417                                                         WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1418                                                         owner_uid = '$owner_uid' LIMIT 1");
1419
1420                                                         if ($result && db_num_rows($result) == 0) {
1421
1422                                                                 db_query($link, "INSERT INTO ttrss_tags
1423                                                                         (owner_uid,tag_name,post_int_id)
1424                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1425                                                         }
1426
1427                                                 array_push($tags_to_cache, $tag);
1428                                         }
1429
1430                                         /* update the cache */
1431
1432                                         $tags_to_cache = array_unique($tags_to_cache);
1433
1434                                         $tags_str = db_escape_string(join(",", $tags_to_cache));
1435
1436                                         db_query($link, "UPDATE ttrss_user_entries
1437                                                 SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id'
1438                                                 AND owner_uid = $owner_uid");
1439
1440                                         db_query($link, "COMMIT");
1441                                 }
1442
1443                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1444                                         _debug("update_rss_feed: article processed");
1445                                 }
1446                         }
1447
1448                         if (!$last_updated) {
1449                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1450                                         _debug("update_rss_feed: new feed, catching it up...");
1451                                 }
1452                                 catchup_feed($link, $feed, false, $owner_uid);
1453                         }
1454
1455                         purge_feed($link, $feed, 0);
1456
1457                         db_query($link, "UPDATE ttrss_feeds
1458                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1459
1460 //                      db_query($link, "COMMIT");
1461
1462                 } else {
1463
1464                         if ($use_simplepie) {
1465                                 $error_msg = mb_substr($rss->error(), 0, 250);
1466                         } else {
1467                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1468                         }
1469
1470                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1471                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1472                         }
1473
1474                         $error_msg = db_escape_string($error_msg);
1475
1476                         db_query($link,
1477                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1478                                         last_updated = NOW() WHERE id = '$feed'");
1479                 }
1480
1481                 if ($use_simplepie) {
1482                         unset($rss);
1483                 }
1484
1485                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1486                         _debug("update_rss_feed: done");
1487                 }
1488
1489         }
1490
1491         function print_select($id, $default, $values, $attributes = "") {
1492                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1493                 foreach ($values as $v) {
1494                         if ($v == $default)
1495                                 $sel = " selected";
1496                          else
1497                                 $sel = "";
1498
1499                         print "<option$sel>$v</option>";
1500                 }
1501                 print "</select>";
1502         }
1503
1504         function print_select_hash($id, $default, $values, $attributes = "") {
1505                 print "<select name=\"$id\" id='$id' $attributes>";
1506                 foreach (array_keys($values) as $v) {
1507                         if ($v == $default)
1508                                 $sel = 'selected="selected"';
1509                          else
1510                                 $sel = "";
1511
1512                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1513                 }
1514
1515                 print "</select>";
1516         }
1517
1518         function get_article_filters($filters, $title, $content, $link, $timestamp, $author, $tags) {
1519                 $matches = array();
1520
1521                 if ($filters["title"]) {
1522                         foreach ($filters["title"] as $filter) {
1523                                 $reg_exp = $filter["reg_exp"];
1524                                 $inverse = $filter["inverse"];
1525                                 if ((!$inverse && @preg_match("/$reg_exp/i", $title)) ||
1526                                                 ($inverse && !@preg_match("/$reg_exp/i", $title))) {
1527
1528                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1529                                 }
1530                         }
1531                 }
1532
1533                 if ($filters["content"]) {
1534                         foreach ($filters["content"] as $filter) {
1535                                 $reg_exp = $filter["reg_exp"];
1536                                 $inverse = $filter["inverse"];
1537
1538                                 if ((!$inverse && @preg_match("/$reg_exp/i", $content)) ||
1539                                                 ($inverse && !@preg_match("/$reg_exp/i", $content))) {
1540
1541                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1542                                 }
1543                         }
1544                 }
1545
1546                 if ($filters["both"]) {
1547                         foreach ($filters["both"] as $filter) {
1548                                 $reg_exp = $filter["reg_exp"];
1549                                 $inverse = $filter["inverse"];
1550
1551                                 if ($inverse) {
1552                                         if (!@preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1553                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1554                                         }
1555                                 } else {
1556                                         if (@preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1557                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1558                                         }
1559                                 }
1560                         }
1561                 }
1562
1563                 if ($filters["link"]) {
1564                         $reg_exp = $filter["reg_exp"];
1565                         foreach ($filters["link"] as $filter) {
1566                                 $reg_exp = $filter["reg_exp"];
1567                                 $inverse = $filter["inverse"];
1568
1569                                 if ((!$inverse && @preg_match("/$reg_exp/i", $link)) ||
1570                                                 ($inverse && !@preg_match("/$reg_exp/i", $link))) {
1571
1572                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1573                                 }
1574                         }
1575                 }
1576
1577                 if ($filters["date"]) {
1578                         $reg_exp = $filter["reg_exp"];
1579                         foreach ($filters["date"] as $filter) {
1580                                 $date_modifier = $filter["filter_param"];
1581                                 $inverse = $filter["inverse"];
1582                                 $check_timestamp = strtotime($filter["reg_exp"]);
1583
1584                                 # no-op when timestamp doesn't parse to prevent misfires
1585
1586                                 if ($check_timestamp) {
1587                                         $match_ok = false;
1588
1589                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1590                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1591                                                         $match_ok = true;
1592                                         }
1593
1594                                         if ($inverse) $match_ok = !$match_ok;
1595
1596                                         if ($match_ok) {
1597                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1598                                         }
1599                                 }
1600                         }
1601                 }
1602
1603                 if ($filters["author"]) {
1604                         foreach ($filters["author"] as $filter) {
1605                                 $reg_exp = $filter["reg_exp"];
1606                                 $inverse = $filter["inverse"];
1607                                 if ((!$inverse && @preg_match("/$reg_exp/i", $author)) ||
1608                                                 ($inverse && !@preg_match("/$reg_exp/i", $author))) {
1609
1610                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1611                                 }
1612                         }
1613                 }
1614
1615                 if ($filters["tag"]) {
1616
1617                         $tag_string = join(",", $tags);
1618
1619                         foreach ($filters["tag"] as $filter) {
1620                                 $reg_exp = $filter["reg_exp"];
1621                                 $inverse = $filter["inverse"];
1622
1623                                 if ((!$inverse && @preg_match("/$reg_exp/i", $tag_string)) ||
1624                                                 ($inverse && !@preg_match("/$reg_exp/i", $tag_string))) {
1625
1626                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1627                                 }
1628                         }
1629                 }
1630
1631
1632                 return $matches;
1633         }
1634
1635         function find_article_filter($filters, $filter_name) {
1636                 foreach ($filters as $f) {
1637                         if ($f[0] == $filter_name) {
1638                                 return $f;
1639                         };
1640                 }
1641                 return false;
1642         }
1643
1644         function calculate_article_score($filters) {
1645                 $score = 0;
1646
1647                 foreach ($filters as $f) {
1648                         if ($f[0] == "score") {
1649                                 $score += $f[1];
1650                         };
1651                 }
1652                 return $score;
1653         }
1654
1655         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1656                 foreach ($filters as $f) {
1657                         if ($f[0] == "label") {
1658                                 label_add_article($link, $id, $f[1], $owner_uid);
1659                         };
1660                 }
1661         }
1662
1663         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1664                 $rtl_content = false, $last_updated = false, $last_error = false,
1665                 $fg_content = false, $bg_content = false) {
1666
1667                 if (!$feed_title) $feed_title = getFeedTitle($link, $feed_id, false);
1668                 if (!$unread) $unread = getFeedUnread($link, $feed_id);
1669
1670                 if ($unread > 0) $class .= "Unread";
1671
1672                 if (!$icon_file) $icon_file = getFeedIcon($feed_id);
1673
1674                 if (strpos($icon_file, "images") !== false) {
1675                         $icon_file = theme_image($link, $icon_file);
1676                 }
1677
1678                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1679                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1680                 } else {
1681                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1682                 }
1683
1684                 if ($rtl_content) {
1685                         $rtl_tag = "dir=\"rtl\"";
1686                 } else {
1687                         $rtl_tag = "dir=\"ltr\"";
1688                 }
1689
1690                 $error_notify_msg = "";
1691
1692                 if ($last_error) {
1693                         $link_title = "Error: $last_error ($last_updated)";
1694                         $error_notify_msg = "(Error)";
1695                 } else if ($last_updated) {
1696                         $link_title = "Updated: $last_updated";
1697                 }
1698
1699                 $feed = "<span class='feedlink' title=\"$link_title\" id=\"FEEDL-$feed_id\" href=\"#\"
1700                         onclick=\"viewfeed('$feed_id');\">$feed_title</span>";
1701
1702 /*              if ($feed_id < -10) {
1703                         $bg_color = "#00ccff";
1704                         $fg_color = "white";
1705                 }
1706
1707                 if ($fg_color || $bg_color) {
1708                         $color_str = "<div class='labelColorIndicator'
1709                                 style='color : $fg_color; background-color : $bg_color'>l</div>";
1710                 }
1711
1712                 print $color_str; */
1713
1714                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1715                 print "$feed_icon";
1716                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1717
1718                 if ($unread != 0) {
1719                         $fctr_class = "class=\"feedCtrHasUnread\"";
1720                 } else {
1721                         $fctr_class = "class=\"feedCtrNoUnread\"";
1722                 }
1723
1724                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1725                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1726
1727                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1728                         $total = getFeedArticles($link, $feed_id);
1729                         print "<div class=\"feedExtInfo\">
1730                                 <span id=\"FLUPD-$feed_id\">$last_updated ($total total) $error_notify_msg</span></div>";
1731                 }
1732
1733                 print "</li>";
1734
1735         }
1736
1737         function getmicrotime() {
1738                 list($usec, $sec) = explode(" ",microtime());
1739                 return ((float)$usec + (float)$sec);
1740         }
1741
1742         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1743                 foreach ($values as $v) {
1744
1745                         if ($v == $default)
1746                                 $sel = "checked";
1747                          else
1748                                 $sel = "";
1749
1750                         if ($v == $true_is) {
1751                                 $sel .= " value=\"1\"";
1752                         } else {
1753                                 $sel .= " value=\"0\"";
1754                         }
1755
1756                         print "<input class=\"noborder\"
1757                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1758
1759                 }
1760         }
1761
1762         function initialize_user_prefs($link, $uid, $profile = false) {
1763
1764                 $uid = db_escape_string($uid);
1765
1766                 if (!$profile) {
1767                         $profile = "NULL";
1768                         $profile_qpart = "AND profile IS NULL";
1769                 } else {
1770                         $profile_qpart = "AND profile = '$profile'";
1771                 }
1772
1773                 if (get_schema_version($link) < 63) $profile_qpart = "";
1774
1775                 db_query($link, "BEGIN");
1776
1777                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1778
1779                 $u_result = db_query($link, "SELECT pref_name
1780                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
1781
1782                 $active_prefs = array();
1783
1784                 while ($line = db_fetch_assoc($u_result)) {
1785                         array_push($active_prefs, $line["pref_name"]);
1786                 }
1787
1788                 while ($line = db_fetch_assoc($result)) {
1789                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1790 //                              print "adding " . $line["pref_name"] . "<br>";
1791
1792                                 if (get_schema_version($link) < 63) {
1793                                         db_query($link, "INSERT INTO ttrss_user_prefs
1794                                                 (owner_uid,pref_name,value) VALUES
1795                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1796
1797                                 } else {
1798                                         db_query($link, "INSERT INTO ttrss_user_prefs
1799                                                 (owner_uid,pref_name,value, profile) VALUES
1800                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
1801                                 }
1802
1803                         }
1804                 }
1805
1806                 db_query($link, "COMMIT");
1807
1808         }
1809
1810         function lookup_user_id($link, $user) {
1811
1812                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1813                         login = '$login'");
1814
1815                 if (db_num_rows($result) == 1) {
1816                         return db_fetch_result($result, 0, "id");
1817                 } else {
1818                         return false;
1819                 }
1820         }
1821
1822         function http_authenticate_user($link) {
1823
1824 //              error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1825
1826                 if (!$_SERVER["PHP_AUTH_USER"]) {
1827
1828                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1829                         header('HTTP/1.0 401 Unauthorized');
1830                         exit;
1831
1832                 } else {
1833                         $auth_result = authenticate_user($link,
1834                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1835
1836                         if (!$auth_result) {
1837                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1838                                 header('HTTP/1.0 401 Unauthorized');
1839                                 exit;
1840                         }
1841                 }
1842
1843                 return true;
1844         }
1845
1846         function authenticate_user($link, $login, $password, $force_auth = false) {
1847
1848                 if (!SINGLE_USER_MODE) {
1849
1850                         $pwd_hash1 = encrypt_password($password);
1851                         $pwd_hash2 = encrypt_password($password, $login);
1852                         $login = db_escape_string($login);
1853
1854                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1855                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1856
1857                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1858
1859                                 $query = "SELECT id,login,access_level,pwd_hash
1860                     FROM ttrss_users WHERE
1861                                         login = '$login'";
1862
1863                         } else {
1864                                 $query = "SELECT id,login,access_level,pwd_hash
1865                     FROM ttrss_users WHERE
1866                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1867                                                 pwd_hash = '$pwd_hash2')";
1868                         }
1869
1870                         $result = db_query($link, $query);
1871
1872                         if (db_num_rows($result) == 1) {
1873                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1874                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1875                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1876
1877                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1878                                         $_SESSION["uid"]);
1879
1880                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1881                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1882
1883                                 $_SESSION["last_version_check"] = time();
1884
1885                                 initialize_user_prefs($link, $_SESSION["uid"]);
1886
1887                                 return true;
1888                         }
1889
1890                         return false;
1891
1892                 } else {
1893
1894                         $_SESSION["uid"] = 1;
1895                         $_SESSION["name"] = "admin";
1896
1897                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1898
1899                         initialize_user_prefs($link, $_SESSION["uid"]);
1900
1901                         return true;
1902                 }
1903         }
1904
1905         function make_password($length = 8) {
1906
1907                 $password = "";
1908                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1909
1910         $i = 0;
1911
1912                 while ($i < $length) {
1913                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1914
1915                         if (!strstr($password, $char)) {
1916                                 $password .= $char;
1917                                 $i++;
1918                         }
1919                 }
1920                 return $password;
1921         }
1922
1923         // this is called after user is created to initialize default feeds, labels
1924         // or whatever else
1925
1926         // user preferences are checked on every login, not here
1927
1928         function initialize_user($link, $uid) {
1929
1930                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1931                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1932                         'http://tt-rss.org/releases.rss')");
1933
1934                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1935                         values ('$uid', 'Tiny Tiny RSS: Forum',
1936                                 'http://tt-rss.org/forum/rss.php')");
1937         }
1938
1939         function logout_user() {
1940                 session_destroy();
1941                 if (isset($_COOKIE[session_name()])) {
1942                    setcookie(session_name(), '', time()-42000, '/');
1943                 }
1944         }
1945
1946         function get_script_urlpath() {
1947                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1948         }
1949
1950         function validate_session($link) {
1951                 if (SINGLE_USER_MODE) {
1952                         return true;
1953                 }
1954
1955                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1956                         if ($_SESSION["ip_address"]) {
1957                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1958                                         $_SESSION["login_error_msg"] = __("Session failed to validate (incorrect IP)");
1959                                         return false;
1960                                 }
1961                         }
1962                 }
1963
1964                 if ($_SESSION["ref_schema_version"] != get_schema_version($link, true)) {
1965                         return false;
1966                 }
1967
1968                 if ($_SESSION["uid"]) {
1969
1970                         $result = db_query($link,
1971                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1972
1973                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1974
1975                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1976                                 return false;
1977                         }
1978                 }
1979
1980 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1981
1982                         //print_r($_SESSION);
1983
1984                         if (time() > $_SESSION["cookie_lifetime"]) {
1985                                 return false;
1986                         }
1987                 } */
1988
1989                 return true;
1990         }
1991
1992         function login_sequence($link, $mobile = false) {
1993                 if (!SINGLE_USER_MODE) {
1994
1995                         $login_action = $_POST["login_action"];
1996
1997                         # try to authenticate user if called from login form
1998                         if ($login_action == "do_login") {
1999                                 $login = $_POST["login"];
2000                                 $password = $_POST["password"];
2001                                 $remember_me = $_POST["remember_me"];
2002
2003                                 if (authenticate_user($link, $login, $password)) {
2004                                         $_POST["password"] = "";
2005
2006                                         $_SESSION["language"] = $_POST["language"];
2007                                         $_SESSION["ref_schema_version"] = get_schema_version($link, true);
2008                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
2009
2010                                         if ($_POST["profile"]) {
2011
2012                                                 $profile = db_escape_string($_POST["profile"]);
2013
2014                                                 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
2015                                                         WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
2016
2017                                                 if (db_num_rows($result) != 0) {
2018                                                         $_SESSION["profile"] = $profile;
2019                                                         $_SESSION["prefs_cache"] = array();
2020                                                 }
2021                                         }
2022
2023                                         header("Location: " . $_SERVER["REQUEST_URI"]);
2024                                         exit;
2025
2026                                         return;
2027                                 } else {
2028                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
2029                                 }
2030                         }
2031
2032                         if (!$_SESSION["uid"] || !validate_session($link)) {
2033                                 render_login_form($link, $mobile);
2034                                 //header("Location: login.php");
2035                                 exit;
2036                         } else {
2037                                 /* bump login timestamp */
2038                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
2039                                         $_SESSION["uid"]);
2040
2041                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
2042                                         setcookie("ttrss_lang", $_SESSION["language"],
2043                                                 time() + SESSION_COOKIE_LIFETIME);
2044                                 }
2045                         }
2046
2047                 } else {
2048                         return authenticate_user($link, "admin", null);
2049                 }
2050         }
2051
2052         function truncate_string($str, $max_len) {
2053                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
2054                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
2055                 } else {
2056                         return $str;
2057                 }
2058         }
2059
2060         function theme_image($link, $filename) {
2061                 if ($link) {
2062                         $theme_path = get_user_theme_path($link);
2063
2064                         if ($theme_path && is_file($theme_path.$filename)) {
2065                                 return $theme_path.$filename;
2066                         } else {
2067                                 return $filename;
2068                         }
2069                 } else {
2070                         return $filename;
2071                 }
2072         }
2073
2074         function get_user_theme($link) {
2075
2076                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2077                         $theme_name = get_pref($link, "_THEME_ID");
2078                         if (is_dir("themes/$theme_name")) {
2079                                 return $theme_name;
2080                         } else {
2081                                 return '';
2082                         }
2083                 } else {
2084                         return '';
2085                 }
2086
2087         }
2088
2089         function get_user_theme_path($link) {
2090                 $theme_path = '';
2091
2092                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2093                         $theme_name = get_pref($link, "_THEME_ID");
2094
2095                         if ($theme_name && is_dir("themes/$theme_name")) {
2096                                 $theme_path = "themes/$theme_name/";
2097                         } else {
2098                                 $theme_name = '';
2099                         }
2100                 } else {
2101                         $theme_path = '';
2102                 }
2103
2104                 return $theme_path;
2105         }
2106
2107         function get_user_theme_options($link) {
2108                 $t = get_user_theme_path($link);
2109
2110                 if ($t) {
2111                         if (is_file("$t/theme.ini")) {
2112                                 $ini = parse_ini_file("$t/theme.ini", true);
2113                                 if ($ini['theme']['version']) {
2114                                         return $ini['theme']['options'];
2115                                 }
2116                         }
2117                 }
2118                 return '';
2119         }
2120
2121
2122         function get_all_themes() {
2123                 $themes = glob("themes/*");
2124
2125                 asort($themes);
2126
2127                 $rv = array();
2128
2129                 foreach ($themes as $t) {
2130                         if (is_file("$t/theme.ini")) {
2131                                 $ini = parse_ini_file("$t/theme.ini", true);
2132                                 if ($ini['theme']['version'] && !$ini['theme']['disabled']) {
2133                                         $entry = array();
2134                                         $entry["path"] = $t;
2135                                         $entry["base"] = basename($t);
2136                                         $entry["name"] = $ini['theme']['name'];
2137                                         $entry["version"] = $ini['theme']['version'];
2138                                         $entry["author"] = $ini['theme']['author'];
2139                                         $entry["options"] = $ini['theme']['options'];
2140                                         array_push($rv, $entry);
2141                                 }
2142                         }
2143                 }
2144
2145                 return $rv;
2146         }
2147
2148         function make_local_datetime($link, $timestamp, $long, $owner_uid = false,
2149                                         $no_smart_dt = false) {
2150
2151                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2152                 if (!$timestamp) $timestamp = '1970-01-01 0:00';
2153
2154                 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $owner_uid);
2155
2156                 try {
2157                         $user_tz = new DateTimeZone($user_tz_string);
2158                 } catch (Exception $e) {
2159                         $user_tz = new DateTimeZone('UTC');
2160                 }
2161
2162                 # We store date in UTC internally
2163                 $dt = new DateTime($timestamp, new DateTimeZone('UTC'));
2164                 $user_timestamp = $dt->format('U') + $user_tz->getOffset($dt);
2165
2166                 if (!$no_smart_dt && get_pref($link, 'HEADLINES_SMART_DATE', $owner_uid)) {
2167                         return smart_date_time($link, $user_timestamp,
2168                                 $user_tz->getOffset($dt), $owner_uid);
2169                 } else {
2170                         if ($long)
2171                                 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2172                         else
2173                                 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2174
2175                         return date($format, $user_timestamp);
2176                 }
2177         }
2178
2179         function smart_date_time($link, $timestamp, $tz_offset = 0, $owner_uid = false) {
2180                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2181
2182                 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
2183                         return date("G:i", $timestamp);
2184                 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
2185                         $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2186                         return date($format, $timestamp);
2187                 } else {
2188                         $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2189                         return date($format, $timestamp);
2190                 }
2191         }
2192
2193         function smart_date($timestamp) {
2194                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2195                         return "Today";
2196                 } else if (date("Y", $timestamp) == date("Y")) {
2197                         return date("D m", $timestamp);
2198                 } else {
2199                         return date("Y/m/d", $timestamp);
2200                 }
2201         }
2202
2203         function sql_bool_to_string($s) {
2204                 if ($s == "t" || $s == "1") {
2205                         return "true";
2206                 } else {
2207                         return "false";
2208                 }
2209         }
2210
2211         function sql_bool_to_bool($s) {
2212                 if ($s == "t" || $s == "1") {
2213                         return true;
2214                 } else {
2215                         return false;
2216                 }
2217         }
2218
2219         function bool_to_sql_bool($s) {
2220                 if ($s) {
2221                         return "true";
2222                 } else {
2223                         return "false";
2224                 }
2225         }
2226
2227         function toggleEvenOdd($a) {
2228                 if ($a == "even")
2229                         return "odd";
2230                 else
2231                         return "even";
2232         }
2233
2234         function get_schema_version($link, $nocache = false) {
2235                 if (!$_SESSION["schema_version"] || $nocache) {
2236                         $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2237                         $version = db_fetch_result($result, 0, "schema_version");
2238                         $_SESSION["schema_version"] = $version;
2239                         return $version;
2240                 } else {
2241                         return $_SESSION["schema_version"];
2242                 }
2243         }
2244
2245         function sanity_check($link) {
2246
2247                 $error_code = 0;
2248                 $schema_version = get_schema_version($link);
2249
2250                 if ($schema_version != SCHEMA_VERSION) {
2251                         $error_code = 5;
2252                 }
2253
2254                 if (DB_TYPE == "mysql") {
2255                         $result = db_query($link, "SELECT true", false);
2256                         if (db_num_rows($result) != 1) {
2257                                 $error_code = 10;
2258                         }
2259                 }
2260
2261                 if (db_escape_string("testTEST") != "testTEST") {
2262                         $error_code = 12;
2263                 }
2264
2265                 if ($error_code != 0) {
2266                         print_error_xml($error_code);
2267                         return false;
2268                 } else {
2269                         return true;
2270                 }
2271         }
2272
2273         function file_is_locked($filename) {
2274                 if (function_exists('flock')) {
2275                         $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
2276                         if ($fp) {
2277                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2278                                         flock($fp, LOCK_UN);
2279                                         fclose($fp);
2280                                         return false;
2281                                 }
2282                                 fclose($fp);
2283                                 return true;
2284                         } else {
2285                                 return false;
2286                         }
2287                 }
2288                 return true; // consider the file always locked and skip the test
2289         }
2290
2291         function make_lockfile($filename) {
2292                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2293
2294                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2295                         if (function_exists('posix_getpid')) {
2296                                 fwrite($fp, posix_getpid() . "\n");
2297                         }
2298                         return $fp;
2299                 } else {
2300                         return false;
2301                 }
2302         }
2303
2304         function make_stampfile($filename) {
2305                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2306
2307                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2308                         fwrite($fp, time() . "\n");
2309                         flock($fp, LOCK_UN);
2310                         fclose($fp);
2311                         return true;
2312                 } else {
2313                         return false;
2314                 }
2315         }
2316
2317         function sql_random_function() {
2318                 if (DB_TYPE == "mysql") {
2319                         return "RAND()";
2320                 } else {
2321                         return "RANDOM()";
2322                 }
2323         }
2324
2325         function catchup_feed($link, $feed, $cat_view, $owner_uid = false) {
2326
2327                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2328
2329                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2330
2331                                 if ($cat_view) {
2332
2333                                         if ($feed >= 0) {
2334
2335                                                 if ($feed > 0) {
2336                                                         $cat_qpart = "cat_id = '$feed'";
2337                                                 } else {
2338                                                         $cat_qpart = "cat_id IS NULL";
2339                                                 }
2340
2341                                                 $tmp_result = db_query($link, "SELECT id
2342                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2343
2344                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2345
2346                                                         $tmp_feed = $tmp_line["id"];
2347
2348                                                         db_query($link, "UPDATE ttrss_user_entries
2349                                                                 SET unread = false,last_read = NOW()
2350                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2351                                                 }
2352                                         } else if ($feed == -2) {
2353
2354
2355                                                 db_query($link, "UPDATE ttrss_user_entries
2356                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
2357                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
2358                                                         AND unread = true AND owner_uid = $owner_uid");
2359                                         }
2360
2361                                 } else if ($feed > 0) {
2362
2363                                         db_query($link, "UPDATE ttrss_user_entries
2364                                                         SET unread = false,last_read = NOW()
2365                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2366
2367                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2368
2369                                         if ($feed == -1) {
2370                                                 db_query($link, "UPDATE ttrss_user_entries
2371                                                         SET unread = false,last_read = NOW()
2372                                                         WHERE marked = true AND owner_uid = $owner_uid");
2373                                         }
2374
2375                                         if ($feed == -2) {
2376                                                 db_query($link, "UPDATE ttrss_user_entries
2377                                                         SET unread = false,last_read = NOW()
2378                                                         WHERE published = true AND owner_uid = $owner_uid");
2379                                         }
2380
2381                                         if ($feed == -3) {
2382
2383                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2384
2385                                                 if (DB_TYPE == "pgsql") {
2386                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2387                                                 } else {
2388                                                         $match_part = "updated > DATE_SUB(NOW(),
2389                                                                 INTERVAL $intl HOUR) ";
2390                                                 }
2391
2392                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2393                                                         ttrss_user_entries WHERE $match_part AND
2394                                                         unread = true AND
2395                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2396                                                         owner_uid = $owner_uid");
2397
2398                                                 $affected_ids = array();
2399
2400                                                 while ($line = db_fetch_assoc($result)) {
2401                                                         array_push($affected_ids, $line["id"]);
2402                                                 }
2403
2404                                                 catchupArticlesById($link, $affected_ids, 0);
2405                                         }
2406
2407                                         if ($feed == -4) {
2408                                                 db_query($link, "UPDATE ttrss_user_entries
2409                                                         SET unread = false,last_read = NOW()
2410                                                         WHERE owner_uid = $owner_uid");
2411                                         }
2412
2413                                 } else if ($feed < -10) { // label
2414
2415                                         $label_id = -$feed - 11;
2416
2417                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2418                                                 SET unread = false, last_read = NOW()
2419                                                         WHERE label_id = '$label_id' AND unread = true
2420                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2421
2422                                 }
2423
2424                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2425
2426                         } else { // tag
2427                                 db_query($link, "BEGIN");
2428
2429                                 $tag_name = db_escape_string($feed);
2430
2431                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2432                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2433
2434                                 while ($line = db_fetch_assoc($result)) {
2435                                         db_query($link, "UPDATE ttrss_user_entries SET
2436                                                 unread = false, last_read = NOW()
2437                                                 WHERE int_id = " . $line["post_int_id"]);
2438                                 }
2439                                 db_query($link, "COMMIT");
2440                         }
2441         }
2442
2443         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2444                         if ($cat_view) {
2445
2446                                 if ($feed > 0) {
2447                                         $cat_qpart = "cat_id = '$feed'";
2448                                 } else {
2449                                         $cat_qpart = "cat_id IS NULL";
2450                                 }
2451
2452                                 $tmp_result = db_query($link, "SELECT id FROM ttrss_feeds
2453                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2454
2455                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2456                                         $feed_id = $tmp_line["id"];
2457                                         update_rss_feed($link, $feed_id, $force_update);
2458                                 }
2459
2460                         } else {
2461                                 update_rss_feed($link, $feed, $force_update);
2462                         }
2463         }
2464
2465         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2466
2467                 if (!$omode) $omode = "flc";
2468
2469                 $data = getGlobalCounters($link);
2470
2471                 $data = array_merge($data, getVirtCounters($link));
2472
2473                 if (strchr($omode, "l")) $data = array_merge($data, getLabelCounters($link));
2474                 if (strchr($omode, "f")) $data = array_merge($data, getFeedCounters($link, $active_feed));
2475                 if (strchr($omode, "t")) $data = array_merge($data, getTagCounters($link));
2476                 if (strchr($omode, "c")) {
2477                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2478                                 $data = array_merge($data, getCategoryCounters($link));
2479                         }
2480                 }
2481
2482                 return $data;
2483         }
2484
2485         function getCategoryCounters($link) {
2486                 $ret_arr = array();
2487
2488                 /* Labels category */
2489
2490                 $cv = array("id" => -2, "kind" => "cat",
2491                         "counter" => getCategoryUnread($link, -2));
2492
2493                 array_push($ret_arr, $cv);
2494
2495                 $age_qpart = getMaxAgeSubquery();
2496
2497                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2498                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2499                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2500                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2501
2502                 while ($line = db_fetch_assoc($result)) {
2503                         $line["cat_id"] = (int) $line["cat_id"];
2504
2505                         $cv = array("id" => $line["cat_id"], "kind" => "cat",
2506                                 "counter" => $line["unread"]);
2507
2508                         array_push($ret_arr, $cv);
2509                 }
2510
2511                 /* Special case: NULL category doesn't actually exist in the DB */
2512
2513                 $cv = array("id" => 0, "kind" => "cat",
2514                         "counter" => ccache_find($link, 0, $_SESSION["uid"], true));
2515
2516                 array_push($ret_arr, $cv);
2517
2518                 return $ret_arr;
2519         }
2520
2521         function getCategoryUnread($link, $cat, $owner_uid = false) {
2522
2523                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2524
2525                 if ($cat >= 0) {
2526
2527                         if ($cat != 0) {
2528                                 $cat_query = "cat_id = '$cat'";
2529                         } else {
2530                                 $cat_query = "cat_id IS NULL";
2531                         }
2532
2533                         $age_qpart = getMaxAgeSubquery();
2534
2535                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2536                                         AND owner_uid = " . $owner_uid);
2537
2538                         $cat_feeds = array();
2539                         while ($line = db_fetch_assoc($result)) {
2540                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2541                         }
2542
2543                         if (count($cat_feeds) == 0) return 0;
2544
2545                         $match_part = implode(" OR ", $cat_feeds);
2546
2547                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2548                                 FROM ttrss_user_entries,ttrss_entries
2549                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2550                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2551
2552                         $unread = 0;
2553
2554                         # this needs to be rewritten
2555                         while ($line = db_fetch_assoc($result)) {
2556                                 $unread += $line["unread"];
2557                         }
2558
2559                         return $unread;
2560                 } else if ($cat == -1) {
2561                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
2562                 } else if ($cat == -2) {
2563
2564                         $result = db_query($link, "
2565                                 SELECT COUNT(unread) AS unread FROM
2566                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2567                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2568                                         ttrss_labels2.owner_uid = '$owner_uid'
2569                                         AND unread = true AND feed_id = ttrss_feeds.id
2570                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2571
2572                         $unread = db_fetch_result($result, 0, "unread");
2573
2574                         return $unread;
2575
2576                 }
2577         }
2578
2579         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2580                 if (DB_TYPE == "pgsql") {
2581                         return "ttrss_entries.date_updated >
2582                                 NOW() - INTERVAL '$days days'";
2583                 } else {
2584                         return "ttrss_entries.date_updated >
2585                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2586                 }
2587         }
2588
2589         function getFeedUnread($link, $feed, $is_cat = false) {
2590                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2591         }
2592
2593         function getLabelUnread($link, $label_id, $owner_uid = false) {
2594                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2595
2596                 $result = db_query($link, "
2597                         SELECT COUNT(unread) AS unread FROM
2598                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2599                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2600                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2601                                 AND unread = true AND feed_id = ttrss_feeds.id
2602                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2603
2604                 if (db_num_rows($result) != 0) {
2605                         return db_fetch_result($result, 0, "unread");
2606                 } else {
2607                         return 0;
2608                 }
2609         }
2610
2611         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2612                 $owner_uid = false) {
2613
2614                 $n_feed = (int) $feed;
2615
2616                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2617
2618                 if ($unread_only) {
2619                         $unread_qpart = "unread = true";
2620                 } else {
2621                         $unread_qpart = "true";
2622                 }
2623
2624                 $age_qpart = getMaxAgeSubquery();
2625
2626                 if ($is_cat) {
2627                         return getCategoryUnread($link, $n_feed, $owner_uid);
2628                 } if ($feed != "0" && $n_feed == 0) {
2629
2630                         $feed = db_escape_string($feed);
2631
2632                         $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
2633                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2634                                         AND ref_id = id AND $age_qpart
2635                                         AND $unread_qpart)) AS count FROM ttrss_tags
2636                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
2637                         return db_fetch_result($result, 0, "count");
2638
2639                 } else if ($n_feed == -1) {
2640                         $match_part = "marked = true";
2641                 } else if ($n_feed == -2) {
2642                         $match_part = "published = true";
2643                 } else if ($n_feed == -3) {
2644                         $match_part = "unread = true";
2645
2646                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2647
2648                         if (DB_TYPE == "pgsql") {
2649                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2650                         } else {
2651                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2652                         }
2653                 } else if ($n_feed == -4) {
2654                         $match_part = "true";
2655                 } else if ($n_feed >= 0) {
2656
2657                         if ($n_feed != 0) {
2658                                 $match_part = "feed_id = '$n_feed'";
2659                         } else {
2660                                 $match_part = "feed_id IS NULL";
2661                         }
2662
2663                 } else if ($feed < -10) {
2664
2665                         $label_id = -$feed - 11;
2666
2667                         return getLabelUnread($link, $label_id, $owner_uid);
2668
2669                 }
2670
2671                 if ($match_part) {
2672
2673                         if ($n_feed != 0) {
2674                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
2675                                 $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2676                         } else {
2677                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
2678                                 $feeds_qpart = '';
2679                         }
2680
2681                         $query = "SELECT count(int_id) AS unread
2682                                 FROM $from_qpart WHERE
2683                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2684                                 $age_qpart AND
2685                                 $feeds_qpart
2686                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
2687
2688                         $result = db_query($link, $query);
2689
2690                 } else {
2691
2692                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2693                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2694                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2695                                 AND $unread_qpart AND $age_qpart AND
2696                                         ttrss_tags.owner_uid = " . $owner_uid);
2697                 }
2698
2699                 $unread = db_fetch_result($result, 0, "unread");
2700
2701                 return $unread;
2702         }
2703
2704         function getGlobalUnread($link, $user_id = false) {
2705
2706                 if (!$user_id) {
2707                         $user_id = $_SESSION["uid"];
2708                 }
2709
2710                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2711                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2712
2713                 $c_id = db_fetch_result($result, 0, "c_id");
2714
2715                 return $c_id;
2716         }
2717
2718         function getGlobalCounters($link, $global_unread = -1) {
2719                 $ret_arr = array();
2720
2721                 if ($global_unread == -1) {
2722                         $global_unread = getGlobalUnread($link);
2723                 }
2724
2725                 $cv = array("id" => "global-unread",
2726                         "counter" => $global_unread);
2727
2728                 array_push($ret_arr, $cv);
2729
2730                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2731                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2732
2733                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2734
2735                 $cv = array("id" => "subscribed-feeds",
2736                         "counter" => $subscribed_feeds);
2737
2738                 array_push($ret_arr, $cv);
2739
2740                 return $ret_arr;
2741         }
2742
2743         function getSubscribedFeeds($link) {
2744                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2745                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2746
2747                 return db_fetch_result($result, 0, "fn");
2748         }
2749
2750         function getTagCounters($link) {
2751
2752                 $ret_arr = array();
2753
2754                 $age_qpart = getMaxAgeSubquery();
2755
2756                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2757                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2758                                 AND ref_id = id AND $age_qpart
2759                                 AND unread = true)) AS count FROM ttrss_tags
2760                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2761                                 ORDER BY count DESC LIMIT 55");
2762
2763                 $tags = array();
2764
2765                 while ($line = db_fetch_assoc($result)) {
2766                         $tags[$line["tag_name"]] += $line["count"];
2767                 }
2768
2769                 foreach (array_keys($tags) as $tag) {
2770                         $unread = $tags[$tag];
2771                         $tag = htmlspecialchars($tag);
2772
2773                         $cv = array("id" => $tag,
2774                                 "kind" => "tag",
2775                                 "counter" => $unread);
2776
2777                         array_push($ret_arr, $cv);
2778                 }
2779
2780                 return $ret_arr;
2781         }
2782
2783         function getVirtCounters($link) {
2784
2785                 $ret_arr = array();
2786
2787                 for ($i = 0; $i >= -4; $i--) {
2788
2789                         $count = getFeedUnread($link, $i);
2790
2791                         $cv = array("id" => $i,
2792                                 "counter" => $count);
2793
2794                         if (get_pref($link, 'EXTENDED_FEEDLIST'))
2795                                 $cv["xmsg"] = getFeedArticles($link, $i)." ".__("total");
2796
2797                         array_push($ret_arr, $cv);
2798                 }
2799
2800                 return $ret_arr;
2801         }
2802
2803         function getLabelCounters($link, $descriptions = false) {
2804
2805                 $ret_arr = array();
2806
2807                 $age_qpart = getMaxAgeSubquery();
2808
2809                 $owner_uid = $_SESSION["uid"];
2810
2811                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2812                         WHERE owner_uid = '$owner_uid'");
2813
2814                 while ($line = db_fetch_assoc($result)) {
2815
2816                         $id = -$line["id"] - 11;
2817
2818                         $label_name = $line["caption"];
2819                         $count = getFeedUnread($link, $id);
2820
2821                         $cv = array("id" => $id,
2822                                 "counter" => $count);
2823
2824                         if ($descriptions)
2825                                 $cv["description"] = $label_name;
2826
2827                         if (get_pref($link, 'EXTENDED_FEEDLIST'))
2828                                 $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2829
2830                         array_push($ret_arr, $cv);
2831                 }
2832
2833                 return $ret_arr;
2834         }
2835
2836         function getFeedCounters($link, $active_feed = false) {
2837
2838                 $ret_arr = array();
2839
2840                 $age_qpart = getMaxAgeSubquery();
2841
2842                 $query = "SELECT ttrss_feeds.id,
2843                                 ttrss_feeds.title,
2844                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2845                                 last_error, value AS count
2846                         FROM ttrss_feeds, ttrss_counters_cache
2847                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2848                                 AND ttrss_counters_cache.feed_id = id";
2849
2850                 $result = db_query($link, $query);
2851                 $fctrs_modified = false;
2852
2853                 while ($line = db_fetch_assoc($result)) {
2854
2855                         $id = $line["id"];
2856                         $count = $line["count"];
2857                         $last_error = htmlspecialchars($line["last_error"]);
2858
2859                         $last_updated = make_local_datetime($link, $line['last_updated'], false);
2860
2861                         $has_img = feed_has_icon($id);
2862
2863                         $cv = array("id" => $id,
2864                                 "updated" => $last_updated,
2865                                 "counter" => $count,
2866                                 "has_img" => (int) $has_img);
2867
2868                         if ($last_error)
2869                                 $cv["error"] = $last_error;
2870
2871                         if (get_pref($link, 'EXTENDED_FEEDLIST'))
2872                                 $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2873
2874                         if ($active_feed && $id == $active_feed)
2875                                 $cv["title"] = $line["title"];
2876
2877                         array_push($ret_arr, $cv);
2878
2879                 }
2880
2881                 return $ret_arr;
2882         }
2883
2884         function get_pgsql_version($link) {
2885                 $result = db_query($link, "SELECT version() AS version");
2886                 $version = split(" ", db_fetch_result($result, 0, "version"));
2887                 return $version[1];
2888         }
2889
2890         function print_error_xml($code, $add_msg = "") {
2891                 global $ERRORS;
2892
2893                 $error_msg = $ERRORS[$code];
2894
2895                 if ($add_msg) {
2896                         $error_msg = "$error_msg; $add_msg";
2897                 }
2898
2899                 print "<rpc-reply>";
2900                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2901                 print "</rpc-reply>";
2902         }
2903
2904         /**
2905          * Subscribes the user to the given feed
2906          *
2907          * @param resource $link       Database connection
2908          * @param string   $url        Feed URL to subscribe to
2909          * @param integer  $cat_id     Category ID the feed shall be added to
2910          * @param string   $auth_login (optional) Feed username
2911          * @param string   $auth_pass  (optional) Feed password
2912          *
2913          * @return integer Status code:
2914          *                 0 - OK, Feed already exists
2915          *                 1 - OK, Feed added
2916          *                 2 - Invalid URL
2917          *                 3 - URL content is HTML, no feeds available
2918          *                 4 - URL content is HTML which contains multiple feeds.
2919          *                     Here you should call extractfeedurls in rpc-backend
2920          *                     to get all possible feeds.
2921          *                 5 - Couldn't download the URL content.
2922          */
2923         function subscribe_to_feed($link, $url, $cat_id = 0,
2924                         $auth_login = '', $auth_pass = '') {
2925
2926                 $url = fix_url($url);
2927                 if (!validate_feed_url($url)) return 2;
2928                 if (!fetch_file_contents($url)) return 5;
2929
2930                 if (url_is_html($url)) {
2931                         $feedUrls = get_feeds_from_html($url);
2932                         if (count($feedUrls) == 0) {
2933                                 return 3;
2934                         } else if (count($feedUrls) > 1) {
2935                                 return 4;
2936                         }
2937                         //use feed url as new URL
2938                         $url = key($feedUrls);
2939                 }
2940
2941                 if ($cat_id == "0" || !$cat_id) {
2942                         $cat_qpart = "NULL";
2943                 } else {
2944                         $cat_qpart = "'$cat_id'";
2945                 }
2946
2947                 $result = db_query($link,
2948                         "SELECT id FROM ttrss_feeds
2949                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
2950
2951                 if (db_num_rows($result) == 0) {
2952                         $result = db_query($link,
2953                                 "INSERT INTO ttrss_feeds
2954                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2955                                 VALUES ('".$_SESSION["uid"]."', '$url',
2956                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2957
2958                         $result = db_query($link,
2959                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
2960                                         AND owner_uid = " . $_SESSION["uid"]);
2961
2962                         $feed_id = db_fetch_result($result, 0, "id");
2963
2964                         if ($feed_id) {
2965                                 update_rss_feed($link, $feed_id, true);
2966                         }
2967
2968                         return 1;
2969                 } else {
2970                         return 0;
2971                 }
2972         }
2973
2974         function print_feed_select($link, $id, $default_id = "",
2975                 $attributes = "", $include_all_feeds = true) {
2976
2977                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2978                 if ($include_all_feeds) {
2979                         print "<option value=\"0\">".__('All feeds')."</option>";
2980                 }
2981
2982                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2983                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2984
2985                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2986                         print "<option disabled>--------</option>";
2987                 }
2988
2989                 while ($line = db_fetch_assoc($result)) {
2990                         if ($line["id"] == $default_id) {
2991                                 $is_selected = "selected=\"1\"";
2992                         } else {
2993                                 $is_selected = "";
2994                         }
2995
2996                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
2997
2998                         printf("<option $is_selected value='%d'>%s</option>",
2999                                 $line["id"], $title);
3000                 }
3001
3002                 print "</select>";
3003         }
3004
3005         function print_feed_cat_select($link, $id, $default_id = "",
3006                 $attributes = "", $include_all_cats = true) {
3007
3008                 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
3009
3010                 if ($include_all_cats) {
3011                         print "<option value=\"0\">".__('Uncategorized')."</option>";
3012                 }
3013
3014                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
3015                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
3016
3017                 if (db_num_rows($result) > 0 && $include_all_cats) {
3018                         print "<option disabled=\"1\">--------</option>";
3019                 }
3020
3021                 while ($line = db_fetch_assoc($result)) {
3022                         if ($line["id"] == $default_id) {
3023                                 $is_selected = "selected=\"1\"";
3024                         } else {
3025                                 $is_selected = "";
3026                         }
3027
3028                         if ($line["title"])
3029                                 printf("<option $is_selected value='%d'>%s</option>",
3030                                         $line["id"], htmlspecialchars($line["title"]));
3031                 }
3032
3033                 print "<option value=\"ADD_CAT\">" .__("Add category...") . "</option>";
3034
3035                 print "</select>";
3036         }
3037
3038         function checkbox_to_sql_bool($val) {
3039                 return ($val == "on") ? "true" : "false";
3040         }
3041
3042         function getFeedCatTitle($link, $id) {
3043                 if ($id == -1) {
3044                         return __("Special");
3045                 } else if ($id < -10) {
3046                         return __("Labels");
3047                 } else if ($id > 0) {
3048                         $result = db_query($link, "SELECT ttrss_feed_categories.title
3049                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
3050                                         cat_id = ttrss_feed_categories.id");
3051                         if (db_num_rows($result) == 1) {
3052                                 return db_fetch_result($result, 0, "title");
3053                         } else {
3054                                 return __("Uncategorized");
3055                         }
3056                 } else {
3057                         return "getFeedCatTitle($id) failed";
3058                 }
3059
3060         }
3061
3062         function getFeedIcon($id) {
3063                 switch ($id) {
3064                 case 0:
3065                         return "images/archive.png";
3066                         break;
3067                 case -1:
3068                         return "images/mark_set.png";
3069                         break;
3070                 case -2:
3071                         return "images/pub_set.png";
3072                         break;
3073                 case -3:
3074                         return "images/fresh.png";
3075                         break;
3076                 case -4:
3077                         return "images/tag.png";
3078                         break;
3079                 default:
3080                         if ($id < -10) {
3081                                 return "images/label.png";
3082                         } else {
3083                                 return ICONS_URL . "/$id.ico";
3084                         }
3085                         break;
3086                 }
3087         }
3088
3089         function getFeedTitle($link, $id) {
3090                 if ($id == -1) {
3091                         return __("Starred articles");
3092                 } else if ($id == -2) {
3093                         return __("Published articles");
3094                 } else if ($id == -3) {
3095                         return __("Fresh articles");
3096                 } else if ($id == -4) {
3097                         return __("All articles");
3098                 } else if ($id === 0 || $id === "0") {
3099                         return __("Archived articles");
3100                 } else if ($id < -10) {
3101                         $label_id = -$id - 11;
3102                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
3103                         if (db_num_rows($result) == 1) {
3104                                 return db_fetch_result($result, 0, "caption");
3105                         } else {
3106                                 return "Unknown label ($label_id)";
3107                         }
3108
3109                 } else if ($id > 0) {
3110                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3111                         if (db_num_rows($result) == 1) {
3112                                 return db_fetch_result($result, 0, "title");
3113                         } else {
3114                                 return "Unknown feed ($id)";
3115                         }
3116                 } else {
3117                         return $id;
3118                 }
3119         }
3120
3121         function get_session_cookie_name() {
3122                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3123         }
3124
3125         function make_init_param($param, $value) {
3126                 return array("param" => $param, "value" => $value);
3127         }
3128
3129         function make_init_params($link) {
3130                 $params = array();
3131
3132                 $params["theme"] = get_user_theme($link);
3133                 $params["theme_options"] = get_user_theme_options($link);
3134                 $params["daemon_enabled"] = ENABLE_UPDATE_DAEMON;
3135
3136                 $params["sign_progress"] = theme_image($link, "images/indicator_white.gif");
3137                 $params["sign_progress_tiny"] = theme_image($link, "images/indicator_tiny.gif");
3138                 $params["sign_excl"] = theme_image($link, "images/sign_excl.png");
3139                 $params["sign_info"] = theme_image($link, "images/sign_info.png");
3140
3141                 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
3142                         "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
3143                         "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE",
3144                         "HIDE_READ_SHOWS_SPECIAL", "HIDE_FEEDLIST") as $param) {
3145
3146                                  $params[strtolower($param)] = (int) get_pref($link, $param);
3147                  }
3148
3149                 $params["icons_url"] = ICONS_URL;
3150                 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
3151                 $params["default_view_mode"] = get_pref($link, "_DEFAULT_VIEW_MODE");
3152                 $params["default_view_limit"] = (int) get_pref($link, "_DEFAULT_VIEW_LIMIT");
3153                 $params["default_view_order_by"] = get_pref($link, "_DEFAULT_VIEW_ORDER_BY");
3154                 $params["prefs_active_tab"] = get_pref($link, "_PREFS_ACTIVE_TAB");
3155                 $params["infobox_disable_overlay"] = get_pref($link, "_INFOBOX_DISABLE_OVERLAY");
3156                 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
3157                 $params["offline_enabled"] = (int) get_pref($link, "ENABLE_OFFLINE_READING");
3158
3159                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3160                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3161
3162                 $num_feeds = db_fetch_result($result, 0, "cf");
3163
3164                 $params["num_feeds"] = (int) $num_feeds;
3165                 $params["collapsed_feedlist"] = (int) get_pref($link, "_COLLAPSED_FEEDLIST");
3166
3167                 return $params;
3168         }
3169
3170         function print_runtime_info($link) {
3171                 print "<runtime-info><![CDATA[";
3172                 print json_encode(make_runtime_info($link));
3173                 print "]]></runtime-info>";
3174         }
3175
3176         function make_runtime_info($link) {
3177                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3178                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3179
3180                 $num_feeds = db_fetch_result($result, 0, "cf");
3181
3182                 $data = array();
3183
3184                 $data['num_feeds'] = (int) $num_feeds;
3185                 $data['last_article_id'] = getLastArticleId($link);
3186                 $data['cdm_expanded'] = get_pref($link, 'CDM_EXPANDED');
3187
3188                 if (ENABLE_UPDATE_DAEMON) {
3189
3190                         $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
3191
3192                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3193
3194                                 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
3195
3196                                 if ($stamp) {
3197                                         $stamp_delta = time() - $stamp;
3198
3199                                         if ($stamp_delta > 1800) {
3200                                                 $stamp_check = 0;
3201                                         } else {
3202                                                 $stamp_check = 1;
3203                                                 $_SESSION["daemon_stamp_check"] = time();
3204                                         }
3205
3206                                         $data['daemon_stamp_ok'] = $stamp_check;
3207
3208                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3209
3210                                         $data['daemon_stamp'] = $stamp_fmt;
3211                                 }
3212                         }
3213                 }
3214
3215                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3216
3217                         if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3218                                 $new_version_details = @check_for_update($link);
3219
3220                                 $data['new_version_available'] = (int) $new_version_details != "";
3221
3222                                 $_SESSION["last_version_check"] = time();
3223                         }
3224                 }
3225
3226                 return $data;
3227         }
3228
3229         function getSearchSql($search, $match_on) {
3230
3231                 $search_query_part = "";
3232
3233                 $keywords = split(" ", $search);
3234                 $query_keywords = array();
3235
3236                 if ($match_on == "both") {
3237
3238                         foreach ($keywords as $k) {
3239                                 if (strpos($k, "-") === 0) {
3240                                         $k = substr($k, 1);
3241                                         $not = "NOT";
3242                                 } else {
3243                                         $not = "";
3244                                 }
3245
3246                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
3247                                         OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3248                         }
3249
3250                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3251
3252                 } else if ($match_on == "title") {
3253
3254                         foreach ($keywords as $k) {
3255                                 if (strpos($k, "-") === 0) {
3256                                         $k = substr($k, 1);
3257                                         $not = "NOT";
3258                                 } else {
3259                                         $not = "";
3260                                 }
3261
3262                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
3263                         }
3264
3265                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3266
3267                 } else if ($match_on == "content") {
3268
3269                         foreach ($keywords as $k) {
3270                                 if (strpos($k, "-") === 0) {
3271                                         $k = substr($k, 1);
3272                                         $not = "NOT";
3273                                 } else {
3274                                         $not = "";
3275                                 }
3276
3277                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3278                         }
3279                 }
3280
3281                 $search_query_part = implode("AND", $query_keywords);
3282
3283                 return $search_query_part;
3284         }
3285
3286         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3287
3288                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3289
3290                 $ext_tables_part = "";
3291
3292                         if ($search) {
3293
3294                                 if (SPHINX_ENABLED) {
3295                                         $ids = join(",", @sphinx_search($search, 0, 500));
3296
3297                                         if ($ids)
3298                                                 $search_query_part = "ref_id IN ($ids) AND ";
3299                                         else
3300                                                 $search_query_part = "ref_id = -1 AND ";
3301
3302                                 } else {
3303                                         $search_query_part = getSearchSql($search, $match_on);
3304                                         $search_query_part .= " AND ";
3305                                 }
3306
3307                         } else {
3308                                 $search_query_part = "";
3309                         }
3310
3311                         $view_query_part = "";
3312
3313                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3314                                 if ($search) {
3315                                         $view_query_part = " ";
3316                                 } else if ($feed != -1) {
3317                                         $unread = getFeedUnread($link, $feed, $cat_view);
3318                                         if ($unread > 0) {
3319                                                 $view_query_part = " unread = true AND ";
3320                                         }
3321                                 }
3322                         }
3323
3324                         if ($view_mode == "marked") {
3325                                 $view_query_part = " marked = true AND ";
3326                         }
3327
3328                         if ($view_mode == "published") {
3329                                 $view_query_part = " published = true AND ";
3330                         }
3331
3332                         if ($view_mode == "unread") {
3333                                 $view_query_part = " unread = true AND ";
3334                         }
3335
3336                         if ($view_mode == "updated") {
3337                                 $view_query_part = " (last_read is null and unread = false) AND ";
3338                         }
3339
3340                         if ($limit > 0) {
3341                                 $limit_query_part = "LIMIT " . $limit;
3342                         }
3343
3344                         $vfeed_query_part = "";
3345
3346                         // override query strategy and enable feed display when searching globally
3347                         if ($search && $search_mode == "all_feeds") {
3348                                 $query_strategy_part = "ttrss_entries.id > 0";
3349                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3350                         /* tags */
3351                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3352                                 $query_strategy_part = "ttrss_entries.id > 0";
3353                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3354                                         id = feed_id) as feed_title,";
3355                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
3356
3357                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3358
3359                                 $tmp_result = false;
3360
3361                                 if ($cat_view) {
3362                                         $tmp_result = db_query($link, "SELECT id
3363                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3364                                 } else {
3365                                         $tmp_result = db_query($link, "SELECT id
3366                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3367                                                         WHERE id = '$feed') AND id != '$feed'");
3368                                 }
3369
3370                                 $cat_siblings = array();
3371
3372                                 if (db_num_rows($tmp_result) > 0) {
3373                                         while ($p = db_fetch_assoc($tmp_result)) {
3374                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3375                                         }
3376
3377                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3378                                                 $feed, implode(" OR ", $cat_siblings));
3379
3380                                 } else {
3381                                         $query_strategy_part = "ttrss_entries.id > 0";
3382                                 }
3383
3384                         } else if ($feed > 0) {
3385
3386                                 if ($cat_view) {
3387
3388                                         if ($feed > 0) {
3389                                                 $query_strategy_part = "cat_id = '$feed'";
3390                                         } else {
3391                                                 $query_strategy_part = "cat_id IS NULL";
3392                                         }
3393
3394                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3395
3396                                 } else {
3397                                         $query_strategy_part = "feed_id = '$feed'";
3398                                 }
3399                         } else if ($feed == 0 && !$cat_view) { // archive virtual feed
3400                                 $query_strategy_part = "feed_id IS NULL";
3401                         } else if ($feed == 0 && $cat_view) { // uncategorized
3402                                 $query_strategy_part = "cat_id IS NULL";
3403                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3404                         } else if ($feed == -1) { // starred virtual feed
3405                                 $query_strategy_part = "marked = true";
3406                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3407                         } else if ($feed == -2) { // published virtual feed OR labels category
3408
3409                                 if (!$cat_view) {
3410                                         $query_strategy_part = "published = true";
3411                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3412                                 } else {
3413                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3414
3415                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3416
3417                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3418                                                 ttrss_user_labels2.article_id = ref_id";
3419
3420                                 }
3421
3422                         } else if ($feed == -3) { // fresh virtual feed
3423                                 $query_strategy_part = "unread = true";
3424
3425                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3426
3427                                 if (DB_TYPE == "pgsql") {
3428                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3429                                 } else {
3430                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3431                                 }
3432
3433                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3434                         } else if ($feed == -4) { // all articles virtual feed
3435                                 $query_strategy_part = "true";
3436                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3437                         } else if ($feed <= -10) { // labels
3438                                 $label_id = -$feed - 11;
3439
3440                                 $query_strategy_part = "label_id = '$label_id' AND
3441                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3442                                         ttrss_user_labels2.article_id = ref_id";
3443
3444                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3445                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3446
3447                         } else {
3448                                 $query_strategy_part = "id > 0"; // dumb
3449                         }
3450
3451                         if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3452                                 $date_sort_field = "updated";
3453                         } else {
3454                                 $date_sort_field = "date_entered";
3455                         }
3456
3457                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3458                                 $order_by = "$date_sort_field";
3459                         } else {
3460                                 $order_by = "$date_sort_field DESC";
3461                         }
3462
3463                         if ($view_mode != "noscores") {
3464                                 $order_by = "score DESC, $order_by";
3465                         }
3466
3467                         if ($override_order) {
3468                                 $order_by = $override_order;
3469                         }
3470
3471                         $feed_title = "";
3472
3473                         if ($search) {
3474                                 $feed_title = "Search results";
3475                         } else {
3476                                 if ($cat_view) {
3477                                         $feed_title = getCategoryTitle($link, $feed);
3478                                 } else {
3479                                         if ((int)$feed == $feed && $feed > 0) {
3480                                                 $result = db_query($link, "SELECT title,site_url,last_error
3481                                                         FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
3482
3483                                                 $feed_title = db_fetch_result($result, 0, "title");
3484                                                 $feed_site_url = db_fetch_result($result, 0, "site_url");
3485                                                 $last_error = db_fetch_result($result, 0, "last_error");
3486                                         } else {
3487                                                 $feed_title = getFeedTitle($link, $feed);
3488                                         }
3489                                 }
3490                         }
3491
3492                         $content_query_part = "content as content_preview,";
3493
3494                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3495
3496                                 if ($feed >= 0) {
3497                                         $feed_kind = "Feeds";
3498                                 } else {
3499                                         $feed_kind = "Labels";
3500                                 }
3501
3502                                 if ($limit_query_part) {
3503                                         $offset_query_part = "OFFSET $offset";
3504                                 }
3505
3506                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3507                                         if (!$override_order) {
3508                                                 $order_by = "ttrss_feeds.title, $order_by";
3509                                         }
3510                                 }
3511
3512                                 if ($feed != "0") {
3513                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
3514                                         $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
3515
3516                                 } else {
3517                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
3518                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
3519                                 }
3520
3521                                 $query = "SELECT DISTINCT
3522                                                 date_entered,
3523                                                 guid,
3524                                                 ttrss_entries.id,ttrss_entries.title,
3525                                                 updated,
3526                                                 note,
3527                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
3528                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3529                                                 $vfeed_query_part
3530                                                 $content_query_part
3531                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3532                                                 author,score
3533                                         FROM
3534                                                 $from_qpart
3535                                         WHERE
3536                                         $feed_check_qpart
3537                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3538                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3539                                         $search_query_part
3540                                         $view_query_part
3541                                         $query_strategy_part ORDER BY $order_by
3542                                         $limit_query_part $offset_query_part";
3543
3544                                 if ($_REQUEST["debug"]) print $query;
3545
3546                                 $result = db_query($link, $query);
3547
3548                         } else {
3549                                 // browsing by tag
3550
3551                                 $feed_kind = "Tags";
3552
3553                                 $result = db_query($link, "SELECT
3554                                         guid,
3555                                         note,
3556                                         ttrss_entries.id as id,title,
3557                                         updated,
3558                                         unread,feed_id,orig_feed_id,
3559                                         marked,link,last_read,
3560                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3561                                         $vfeed_query_part
3562                                         $content_query_part
3563                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3564                                         score
3565                                         FROM
3566                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3567                                         WHERE
3568                                                 ref_id = ttrss_entries.id AND
3569                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3570                                                 post_int_id = int_id AND tag_name = '$feed' AND
3571                                                 $view_query_part
3572                                                 $search_query_part
3573                                                 $query_strategy_part ORDER BY $order_by
3574                                         $limit_query_part");
3575                         }
3576
3577                         return array($result, $feed_title, $feed_site_url, $last_error);
3578
3579         }
3580
3581         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3582                 $limit, $search, $search_mode, $match_on, $view_mode = false) {
3583
3584                 $note_style =   "float : right; background-color : #fff7d5; border-width : 1px; ".
3585                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3586                         "margin-bottom : 1em; color : #9a8c59;";
3587
3588                 if (!$limit) $limit = 30;
3589
3590                 if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3591                         $date_sort_field = "updated";
3592                 } else {
3593                         $date_sort_field = "date_entered";
3594                 }
3595
3596                 $qfh_ret = queryFeedHeadlines($link, $feed,
3597                         $limit, $view_mode, $is_cat, $search, $search_mode,
3598                         $match_on, "$date_sort_field DESC", 0, $owner_uid);
3599
3600                 $result = $qfh_ret[0];
3601                 $feed_title = htmlspecialchars($qfh_ret[1]);
3602                 $feed_site_url = $qfh_ret[2];
3603                 $last_error = $qfh_ret[3];
3604
3605 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3606
3607                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3608                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3609                         <rss version=\"2.0\">
3610                         <channel>
3611                         <title>$feed_title</title>
3612                         <link>$feed_site_url</link>
3613                         <description>Feed generated by Tiny Tiny RSS</description>";
3614
3615                 while ($line = db_fetch_assoc($result)) {
3616                         print "<item>";
3617                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3618                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3619
3620                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3621
3622                         foreach ($tags as $tag) {
3623                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3624                         }
3625
3626                         $rfc822_date = date('r', strtotime($line["updated"]));
3627
3628                         print "<pubDate>$rfc822_date</pubDate>";
3629
3630                         if ($line["author"]) {
3631                                 print "<author>" . htmlspecialchars($line["author"]) . "</author>";
3632                         }
3633
3634                         print "<title><![CDATA[" .
3635                                 htmlspecialchars($line["title"]) . "]]></title>";
3636
3637                         print "<description><![CDATA[";
3638
3639                         if ($line["note"]) {
3640                                 print "<div style='$note_style'>";
3641                                 print $line["note"];
3642                                 print "</div>";
3643                         }
3644
3645                         print sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3646                         print "]]></description>";
3647
3648                         $enclosures = get_article_enclosures($link, $line["id"]);
3649
3650                         foreach ($enclosures as $e) {
3651                                 $type = htmlspecialchars($e['content_type']);
3652                                 $url = htmlspecialchars($e['content_url']);
3653                                 $length = $e['duration'];
3654                                 print "<enclosure url=\"$url\" type=\"$type\" length=\"$length\"/>";
3655                         }
3656
3657                         print "</item>";
3658                 }
3659
3660                 print "</channel></rss>";
3661
3662         }
3663
3664         function getCategoryTitle($link, $cat_id) {
3665
3666                 if ($cat_id == -1) {
3667                         return __("Special");
3668                 } else if ($cat_id == -2) {
3669                         return __("Labels");
3670                 } else {
3671
3672                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3673                                 id = '$cat_id'");
3674
3675                         if (db_num_rows($result) == 1) {
3676                                 return db_fetch_result($result, 0, "title");
3677                         } else {
3678                                 return "Uncategorized";
3679                         }
3680                 }
3681         }
3682
3683         function strip_tags_long($string, $allowed) {
3684
3685                 $config = HTMLPurifier_Config::createDefault();
3686
3687                 $config->set('HTML', 'Allowed', $allowed);
3688                 $purifier = new HTMLPurifier($config);
3689
3690                 return $purifier->purify($string);
3691
3692         }
3693
3694         // http://ru2.php.net/strip-tags
3695
3696 /*      function strip_tags_long($textstring, $allowed){
3697         while($textstring != strip_tags($textstring, $allowed))
3698     {
3699     while (strlen($textstring) != 0)
3700          {
3701          if (strlen($textstring) > 1024) {
3702               $otherlen = 1024;
3703          } else {
3704               $otherlen = strlen($textstring);
3705          }
3706          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3707          $safetext .= $temptext;
3708          $textstring = substr_replace($textstring,'',0,$otherlen);
3709          }
3710     $textstring = $safetext;
3711     }
3712         return $textstring;
3713 } */
3714
3715
3716         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) {
3717
3718                 if (!$owner) $owner = $_SESSION["uid"];
3719
3720                 $res = trim($str); if (!$res) return '';
3721
3722                 if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3723
3724 //                      $res = strip_tags_long($res,
3725 //                              "<p><a><i><em><b><strong><code><pre><blockquote><br><img><ul><ol><li>");
3726
3727                         $res = strip_tags_long($res,
3728                                 "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4");
3729
3730                 }
3731
3732                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3733                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3734                 }
3735
3736                 $charset_hack = '<head>
3737                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3738                 </head>';
3739
3740                 $res = trim($res); if (!$res) return '';
3741
3742                 libxml_use_internal_errors(true);
3743
3744                 $doc = new DOMDocument();
3745                 $doc->loadHTML($charset_hack . $res);
3746                 $xpath = new DOMXPath($doc);
3747
3748                 $entries = $xpath->query('(//a[@href]|//img[@src])');
3749
3750                 foreach ($entries as $entry) {
3751
3752                         if ($site_url) {
3753
3754                                 if ($entry->hasAttribute('href'))
3755                                         $entry->setAttribute('href',
3756                                                 rewrite_relative_url($site_url, $entry->getAttribute('href')));
3757
3758                                 if ($entry->hasAttribute('src'))
3759                                         $entry->setAttribute('src',
3760                                                 rewrite_relative_url($site_url, $entry->getAttribute('src')));
3761                         }
3762
3763                         if (strtolower($entry->nodeName) == "a") {
3764                                 if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW', $owner)) {
3765                                         $entry->setAttribute("target", "_blank");
3766                                 }
3767                         }
3768
3769                         if (strtolower($entry->nodeName) == "img") {
3770                                 $br = $doc->createElement("br");
3771
3772                                 if ($entry->parentNode->nextSibling)
3773                                         $entry->parentNode->insertBefore($br, $entry->nextSibling);
3774
3775                         }
3776                 }
3777
3778                 $node = $doc->getElementsByTagName('body')->item(0);
3779
3780                 return $doc->saveXML($node);
3781         }
3782
3783         /**
3784          * Send by mail a digest of last articles.
3785          *
3786          * @param mixed $link The database connection.
3787          * @param integer $limit The maximum number of articles by digest.
3788          * @return boolean Return false if digests are not enabled.
3789          */
3790         function send_headlines_digests($link, $limit = 100) {
3791
3792                 if (!DIGEST_ENABLE) return false;
3793
3794                 $user_limit = DIGEST_EMAIL_LIMIT;
3795                 $days = 1;
3796
3797                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3798
3799                 if (DB_TYPE == "pgsql") {
3800                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3801                 } else if (DB_TYPE == "mysql") {
3802                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3803                 }
3804
3805                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3806                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3807
3808                 while ($line = db_fetch_assoc($result)) {
3809
3810                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3811                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3812
3813                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3814
3815                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3816                                 $digest = $tuple[0];
3817                                 $headlines_count = $tuple[1];
3818                                 $affected_ids = $tuple[2];
3819                                 $digest_text = $tuple[3];
3820
3821                                 if ($headlines_count > 0) {
3822
3823                                         $mail = new PHPMailer();
3824
3825                                         $mail->PluginDir = "lib/phpmailer/";
3826                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3827
3828                                         $mail->CharSet = "UTF-8";
3829
3830                                         $mail->From = DIGEST_FROM_ADDRESS;
3831                                         $mail->FromName = DIGEST_FROM_NAME;
3832                                         $mail->AddAddress($line["email"], $line["login"]);
3833
3834                                         if (DIGEST_SMTP_HOST) {
3835                                                 $mail->Host = DIGEST_SMTP_HOST;
3836                                                 $mail->Mailer = "smtp";
3837                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3838                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3839                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3840                                         }
3841
3842                                         $mail->IsHTML(true);
3843                                         $mail->Subject = DIGEST_SUBJECT;
3844                                         $mail->Body = $digest;
3845                                         $mail->AltBody = $digest_text;
3846
3847                                         $rc = $mail->Send();
3848
3849                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3850
3851                                         print "RC=$rc\n";
3852
3853                                         if ($rc && $do_catchup) {
3854                                                 print "Marking affected articles as read...\n";
3855                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3856                                         }
3857                                 } else {
3858                                         print "No headlines\n";
3859                                 }
3860
3861                                 db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3862                                         WHERE id = " . $line["id"]);
3863                         }
3864                 }
3865
3866                 print "All done.\n";
3867
3868         }
3869
3870         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3871
3872                 require_once "lib/MiniTemplator.class.php";
3873
3874                 $tpl = new MiniTemplator;
3875                 $tpl_t = new MiniTemplator;
3876
3877                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3878                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3879
3880                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3881                 $tpl->setVariable('CUR_TIME', date('G:i'));
3882
3883                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3884                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3885
3886                 $affected_ids = array();
3887
3888                 if (DB_TYPE == "pgsql") {
3889                         $interval_query = "ttrss_entries.date_updated > NOW() - INTERVAL '$days days'";
3890                 } else if (DB_TYPE == "mysql") {
3891                         $interval_query = "ttrss_entries.date_updated > DATE_SUB(NOW(), INTERVAL $days DAY)";
3892                 }
3893
3894                 $result = db_query($link, "SELECT ttrss_entries.title,
3895                                 ttrss_feeds.title AS feed_title,
3896                                 date_updated,
3897                                 ttrss_user_entries.ref_id,
3898                                 link,
3899                                 SUBSTRING(content, 1, 120) AS excerpt,
3900                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3901                         FROM
3902                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3903                         WHERE
3904                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3905                                 AND include_in_digest = true
3906                                 AND $interval_query
3907                                 AND ttrss_user_entries.owner_uid = $user_id
3908                                 AND unread = true
3909                         ORDER BY ttrss_feeds.title, date_updated DESC
3910                         LIMIT $limit");
3911
3912                 $cur_feed_title = "";
3913
3914                 $headlines_count = db_num_rows($result);
3915
3916                 $headlines = array();
3917
3918                 while ($line = db_fetch_assoc($result)) {
3919                         array_push($headlines, $line);
3920                 }
3921
3922                 for ($i = 0; $i < sizeof($headlines); $i++) {
3923
3924                         $line = $headlines[$i];
3925
3926                         array_push($affected_ids, $line["ref_id"]);
3927
3928                         $updated = make_local_datetime($link, $line['last_updated'], false,
3929                                 $user_id);
3930
3931                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3932                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3933                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3934                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3935                         $tpl->setVariable('ARTICLE_EXCERPT',
3936                                 truncate_string(strip_tags($line["excerpt"]), 100));
3937
3938                         $tpl->addBlock('article');
3939
3940                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3941                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3942                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3943                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3944 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3945 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3946
3947                         $tpl_t->addBlock('article');
3948
3949                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3950                                 $tpl->addBlock('feed');
3951                                 $tpl_t->addBlock('feed');
3952                         }
3953
3954                 }
3955
3956                 $tpl->addBlock('digest');
3957                 $tpl->generateOutputToString($tmp);
3958
3959                 $tpl_t->addBlock('digest');
3960                 $tpl_t->generateOutputToString($tmp_t);
3961
3962                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3963         }
3964
3965         function check_for_update($link) {
3966                 $releases_feed = "http://tt-rss.org/releases.rss";
3967
3968                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3969                         return;
3970                 }
3971
3972                 if (DEFAULT_UPDATE_METHOD == "1") {
3973                         $rss = new SimplePie();
3974                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3975                         $rss->set_feed_url($fetch_url);
3976                         $rss->set_output_encoding('UTF-8');
3977                         $rss->init();
3978                 } else {
3979                         $rss = fetch_rss($releases_feed);
3980                 }
3981
3982                 if ($rss) {
3983
3984                         if (DEFAULT_UPDATE_METHOD == "1") {
3985                                 $items = $rss->get_items();
3986                         } else {
3987                                 $items = $rss->items;
3988
3989                                 if (!$items || !is_array($items)) $items = $rss->entries;
3990                                 if (!$items || !is_array($items)) $items = $rss;
3991                         }
3992
3993                         if (!is_array($items) || count($items) == 0) {
3994                                 return;
3995                         }
3996
3997                         $latest_item = $items[0];
3998
3999                         if (DEFAULT_UPDATE_METHOD == "1") {
4000                                 $last_title = $latest_item->get_title();
4001                         } else {
4002                                 $last_title = $latest_item["title"];
4003                         }
4004
4005                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
4006
4007                         if (DEFAULT_UPDATE_METHOD == "1") {
4008                                 $release_url = sanitize_rss($link, $latest_item->get_link());
4009                                 $content = sanitize_rss($link, $latest_item->get_description());
4010                         } else {
4011                                 $release_url = sanitize_rss($link, $latest_item["link"]);
4012                                 $content = sanitize_rss($link, $latest_item["description"]);
4013                         }
4014
4015                         if (version_compare(VERSION, $latest_version) == -1) {
4016                                 return sprintf("New version of Tiny-Tiny RSS (%s) is available:",
4017                                         $latest_version)."<div class='milestoneDetails'>$content</div>";
4018                         } else {
4019                                 return false;
4020                         }
4021                 }
4022         }
4023
4024         function markArticlesById($link, $ids, $cmode) {
4025
4026                 $tmp_ids = array();
4027
4028                 foreach ($ids as $id) {
4029                         array_push($tmp_ids, "ref_id = '$id'");
4030                 }
4031
4032                 $ids_qpart = join(" OR ", $tmp_ids);
4033
4034                 if ($cmode == 0) {
4035                         db_query($link, "UPDATE ttrss_user_entries SET
4036                         marked = false,last_read = NOW()
4037                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4038                 } else if ($cmode == 1) {
4039                         db_query($link, "UPDATE ttrss_user_entries SET
4040                         marked = true
4041                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4042                 } else {
4043                         db_query($link, "UPDATE ttrss_user_entries SET
4044                         marked = NOT marked,last_read = NOW()
4045                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4046                 }
4047         }
4048
4049         function publishArticlesById($link, $ids, $cmode) {
4050
4051                 $tmp_ids = array();
4052
4053                 foreach ($ids as $id) {
4054                         array_push($tmp_ids, "ref_id = '$id'");
4055                 }
4056
4057                 $ids_qpart = join(" OR ", $tmp_ids);
4058
4059                 if ($cmode == 0) {
4060                         db_query($link, "UPDATE ttrss_user_entries SET
4061                         published = false,last_read = NOW()
4062                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4063                 } else if ($cmode == 1) {
4064                         db_query($link, "UPDATE ttrss_user_entries SET
4065                         published = true
4066                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4067                 } else {
4068                         db_query($link, "UPDATE ttrss_user_entries SET
4069                         published = NOT published,last_read = NOW()
4070                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4071                 }
4072         }
4073
4074         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
4075
4076                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4077                 if (count($ids) == 0) return;
4078
4079                 $tmp_ids = array();
4080
4081                 foreach ($ids as $id) {
4082                         array_push($tmp_ids, "ref_id = '$id'");
4083                 }
4084
4085                 $ids_qpart = join(" OR ", $tmp_ids);
4086
4087                 if ($cmode == 0) {
4088                         db_query($link, "UPDATE ttrss_user_entries SET
4089                         unread = false,last_read = NOW()
4090                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4091                 } else if ($cmode == 1) {
4092                         db_query($link, "UPDATE ttrss_user_entries SET
4093                         unread = true
4094                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4095                 } else {
4096                         db_query($link, "UPDATE ttrss_user_entries SET
4097                         unread = NOT unread,last_read = NOW()
4098                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4099                 }
4100
4101                 /* update ccache */
4102
4103                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
4104                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4105
4106                 while ($line = db_fetch_assoc($result)) {
4107                         ccache_update($link, $line["feed_id"], $owner_uid);
4108                 }
4109         }
4110
4111         function catchupArticleById($link, $id, $cmode) {
4112
4113                 if ($cmode == 0) {
4114                         db_query($link, "UPDATE ttrss_user_entries SET
4115                         unread = false,last_read = NOW()
4116                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4117                 } else if ($cmode == 1) {
4118                         db_query($link, "UPDATE ttrss_user_entries SET
4119                         unread = true
4120                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4121                 } else {
4122                         db_query($link, "UPDATE ttrss_user_entries SET
4123                         unread = NOT unread,last_read = NOW()
4124                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4125                 }
4126
4127                 $feed_id = getArticleFeed($link, $id);
4128                 ccache_update($link, $feed_id, $_SESSION["uid"]);
4129         }
4130
4131         function make_guid_from_title($title) {
4132                 return preg_replace("/[ \"\',.:;]/", "-",
4133                         mb_strtolower(strip_tags($title), 'utf-8'));
4134         }
4135
4136         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4137                         $feed_id, $is_cat, $search, $match_on,
4138                         $search_mode, $view_mode) {
4139
4140                         print "<div class=\"headlinesSubToolbar\">";
4141
4142                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
4143                         $page_next_link = "javascript:viewFeedGoPage(1)";
4144                         $page_first_link = "javascript:viewFeedGoPage(0)";
4145
4146                         $catchup_page_link = "javascript:catchupPage()";
4147                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
4148                         $catchup_sel_link = "javascript:catchupSelection()";
4149
4150                         $archive_sel_link = "javascript:archiveSelection()";
4151                         $delete_sel_link = "javascript:deleteSelection()";
4152
4153                         $sel_all_link = "javascript:selectArticles('all')";
4154                         $sel_unread_link = "javascript:selectArticles('unread')";
4155                         $sel_none_link = "javascript:selectArticles('none')";
4156                         $sel_inv_link = "javascript:selectArticles('invert')";
4157
4158                         $tog_unread_link = "javascript:selectionToggleUnread()";
4159                         $tog_marked_link = "javascript:selectionToggleMarked()";
4160                         $tog_published_link = "javascript:selectionTogglePublished()";
4161
4162                         print "<div id=\"subtoolbar_ftitle\">";
4163
4164                         if ($feed_site_url) {
4165                                 $target = "target=\"_blank\"";
4166                                 print "<a title=\"".__("Visit the website")."\" $target href=\"$feed_site_url\">".
4167                                         truncate_string($feed_title,30)."</a>";
4168                         } else {
4169                                 if ($feed_id < -10) {
4170                                         $label_id = -11-$feed_id;
4171
4172                                         $result = db_query($link, "SELECT fg_color, bg_color
4173                                                 FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
4174                                                 $_SESSION["uid"]);
4175
4176                                         if (db_num_rows($result) != 0) {
4177                                                 $fg_color = db_fetch_result($result, 0, "fg_color");
4178                                                 $bg_color = db_fetch_result($result, 0, "bg_color");
4179
4180                                                 print "<span style='background : $bg_color; color : $fg_color'>";
4181                                                 print $feed_title;
4182                                                 print "</span>";
4183                                         } else {
4184                                                 print $feed_title;
4185                                         }
4186
4187                                 } else {
4188                                         print $feed_title;
4189                                 }
4190                         }
4191
4192                         if ($search) {
4193                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4194                         } else {
4195                                 $search_q = "";
4196                         }
4197
4198                         // Adaptive doesn't really make any sense for generated feeds
4199                         // All Articles is the default, so no need to insert it either
4200                         if ($view_mode == "adaptive" || $view_mode == "all_articles")
4201                                 $view_mode = "";
4202                         else
4203                                 $view_mode = "&view-mode=$view_mode";
4204
4205                         $rss_link = htmlspecialchars(get_self_url_prefix() .
4206                                 "/backend.php?op=rss&id=$feed_id&is_cat=$is_cat$view_mode$search_q");
4207
4208                         #print "
4209                         #       <a target=\"_blank\"
4210                         #               title=\"".__("View as RSS feed")."\"
4211                         #               href=\"$rss_link\">
4212                         #               <img class=\"noborder\" src=\"images/feed-icon-12x12.png\"></a>";
4213
4214                         print "
4215                                 <a href=\"#\"
4216                                         title=\"".__("View as RSS feed")."\"
4217                                         onclick=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">
4218                                         <img class=\"noborder\" style=\"vertical-align : middle\" src=\"images/feed-icon-12x12.png\"></a>";
4219
4220                         print "</div>";
4221
4222                         print __('Select:')."
4223                                 <a href=\"#\" onclick=\"$sel_all_link\">".__('All')."</a>,
4224                                 <a href=\"#\" onclick=\"$sel_unread_link\">".__('Unread')."</a>,
4225                                 <a href=\"#\" onclick=\"$sel_inv_link\">".__('Invert')."</a>,
4226                                 <a href=\"#\" onclick=\"$sel_none_link\">".__('None')."</a></li>";
4227
4228                         print "&nbsp;&nbsp;";
4229
4230                         print "<span
4231                                 onmouseover=\"enable_selection(false)\"
4232             onmouseout=\"enable_selection(true)\"
4233                                 onclick=\"toggleHeadlineActions()\" id=\"headlineActionsDrop\">".
4234                                 __("Actions...") . "&nbsp;&nbsp;<img width='11' height'7'
4235                                 src=\"images/down_arrow.png\">
4236                                 </span>";
4237
4238                         print "<ul id=\"headlineActionsBody\" style=\"display : none\">";
4239
4240                         print "<li class=\"insensitive\">".__('Selection toggle:')."</li>
4241                                 <li onclick=\"$tog_unread_link\">&nbsp;&nbsp;".__('Unread')."</li>
4242                                 <li onclick=\"$tog_marked_link\">&nbsp;&nbsp;".__('Starred')."</li>
4243                                 <li onclick=\"$tog_published_link\">&nbsp;&nbsp;".__('Published')."</li>
4244                                 <li class=\"insensitive\">".__('Selection:')."</li>
4245                                 <li onclick=\"$catchup_sel_link\">&nbsp;&nbsp;".__('Mark as read')."</li>";
4246
4247 //                      print "<li onclick=\"$catchup_feed_link\">&nbsp;&nbsp;".__('Entire feed').
4248 //                              "</li>";
4249
4250                         if ($feed_id != "0") {
4251                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Archive')."</li>";
4252                         } else {
4253                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Move back')."</li>";
4254                                 print "<li onclick=\"$delete_sel_link\">&nbsp;&nbsp;".__('Delete')."</li>";
4255
4256                         }
4257
4258                         print "<li onclick=\"emailArticle(false)\">&nbsp;&nbsp;".
4259                                 __('Forward by email')."</li>";
4260
4261                         //print "<li><span class=\"insensitive\">--------</span></li>";
4262                         print "<li class=\"insensitive\">".__('Assign label:')."</li>";
4263
4264                         print_labels_headlines_dropdown($link, $feed_id);
4265
4266                         print "<li class=\"insensitive\">".__('Feed:')."</li>";
4267                         print "<li onclick=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">&nbsp;&nbsp;".__('View as RSS')."</li>";
4268
4269                         print "</ul>";
4270
4271                         print "</div>";
4272                 }
4273
4274         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true,
4275                                         $title_override = false) {
4276
4277                         if (!$title_override)
4278                                 $tmp_category = getCategoryTitle($link, $cat_id);
4279                         else
4280                                 $tmp_category = $title_override;
4281
4282                         if ($cat_id > 0) {
4283                                 $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
4284                         } else if ($cat_id == 0 || $cat_id == -2) {
4285                                 $cat_unread = getCategoryUnread($link, $cat_id);
4286                         }
4287
4288                         if ($hidden) {
4289                                 $holder_style = "display:none;";
4290                                 $ellipsis = "…";
4291                                 $collapse_pic = "cat-uncollapse.png";
4292                         } else {
4293                                 $holder_style = "";
4294                                 $ellipsis = "";
4295                                 $collapse_pic = "cat-collapse.png";
4296                         }
4297
4298                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4299
4300                         if ($can_browse) {
4301                                 $browse_cat_link = "onclick=\"javascript:viewCategory($cat_id)\"";
4302                                 $inner_title_class = "catTitle";
4303                         } else {
4304                                 $browse_cat_link = "";
4305                                 $inner_title_class = "catTitleNL";
4306                         }
4307
4308                         $cat_class = "feedCat";
4309
4310                         print "<li class=\"$cat_class\" id=\"FCAT-$cat_id\">
4311                                 <img onclick=\"toggleCollapseCat($cat_id)\" class=\"catCollapse\"
4312                                         title=\"".__('Click to collapse category')."\"
4313                                         src=\"images/$collapse_pic?\"><span class=\"$inner_title_class\"
4314                                         id=\"FCATN-$cat_id\" $browse_cat_link/>$tmp_category</span>";
4315
4316                         print "<span id=\"FCAP-$cat_id\">";
4317
4318                         print " <span id=\"FCATCTR-$cat_id\"
4319                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4320
4321                         print "</span>";
4322
4323                         //print "</li>";
4324
4325                         print "<ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4326
4327         }
4328
4329         function outputFeedList($link, $tags = false) {
4330
4331                 print "<ul class=\"feedList\" id=\"feedList\">";
4332
4333                 $owner_uid = $_SESSION["uid"];
4334
4335                 /* virtual feeds */
4336
4337                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4338
4339                         $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4340
4341                         printCategoryHeader($link, -1, $cat_hidden, false);
4342                 }
4343
4344                 foreach (array(-4, -3, -1, -2, 0) as $i) {
4345                         printFeedEntry($i, "virt", false, false,
4346                                 false, $link);
4347                 }
4348
4349                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4350                         print "</ul></li>";
4351                 }
4352
4353                 if (!$tags) {
4354
4355
4356                                 $result = db_query($link, "SELECT * FROM
4357                                         ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4358
4359                                 if (db_num_rows($result) > 0) {
4360                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4361
4362                                                 $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
4363
4364                                                 printCategoryHeader($link, -2, $cat_hidden, true);
4365
4366                                         } else {
4367                                                 print "<li><hr></li>";
4368                                         }
4369                                 }
4370
4371                                 while ($line = db_fetch_assoc($result)) {
4372
4373                                         $label_id = -$line['id'] - 11;
4374                                         $count = getFeedUnread($link, $label_id);
4375
4376                                         printFeedEntry($label_id,
4377                                                 "label", $line["caption"],
4378                                                 $count, false, $link,
4379                                                 false, false, false,
4380                                                 $line['fg_color'], $line['bg_color']);
4381
4382                                 }
4383
4384                                 if (db_num_rows($result) > 0) {
4385                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4386                                                 print "</ul>";
4387                                         }
4388                                 }
4389
4390
4391                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4392                                 print "<li><hr></li>";
4393                         }
4394
4395                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4396                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4397                                         $order_by_qpart = "order_id,category,unread DESC,title";
4398                                 } else {
4399                                         $order_by_qpart = "order_id,category,title";
4400                                 }
4401                         } else {
4402                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4403                                         $order_by_qpart = "unread DESC,title";
4404                                 } else {
4405                                         $order_by_qpart = "title";
4406                                 }
4407                         }
4408
4409                         $age_qpart = getMaxAgeSubquery();
4410
4411                         $query = "SELECT ttrss_feeds.*,
4412                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4413                                 cat_id,last_error,
4414                                 ttrss_feed_categories.title AS category,
4415                                 ttrss_feed_categories.collapsed,
4416                                 value AS unread
4417                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4418                                         ON (ttrss_feed_categories.id = cat_id)
4419                                 LEFT JOIN ttrss_counters_cache
4420                                         ON
4421                                                 (ttrss_feeds.id = feed_id)
4422                                 WHERE
4423                                         ttrss_feeds.owner_uid = '$owner_uid'
4424                                 ORDER BY $order_by_qpart";
4425
4426                         $result = db_query($link, $query);
4427
4428                         $actid = $_REQUEST["actid"];
4429
4430                         /* real feeds */
4431
4432                         $lnum = 0;
4433
4434                         $total_unread = 0;
4435
4436                         $category = "";
4437
4438                         while ($line = db_fetch_assoc($result)) {
4439
4440                                 $feed = htmlspecialchars(trim($line["title"]));
4441
4442                                 if (!$feed) $feed = "[Untitled]";
4443
4444                                 $feed_id = $line["id"];
4445                                 $unread = $line["unread"];
4446
4447                                 $subop = $_REQUEST["subop"];
4448
4449                                 $last_updated = make_local_datetime($link, $line['last_updated_noms'],
4450                                         false);
4451
4452                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4453
4454                                 if ($rtl_content) {
4455                                         $rtl_tag = "dir=\"RTL\"";
4456                                 } else {
4457                                         $rtl_tag = "";
4458                                 }
4459
4460                                 $cat_id = $line["cat_id"];
4461
4462                                 $tmp_category = $line["category"];
4463
4464                                 if (!$tmp_category) {
4465                                         $tmp_category = __("Uncategorized");
4466                                 }
4467
4468         //                      $class = ($lnum % 2) ? "even" : "odd";
4469
4470                                 if ($line["last_error"]) {
4471                                         $class = "error";
4472                                 } else {
4473                                         $class = "feed";
4474                                 }
4475
4476                                 if ($actid == $feed_id) {
4477                                         $class .= "Selected";
4478                                 }
4479
4480                                 $total_unread += $unread;
4481
4482                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4483
4484                                         if ($category) {
4485                                                 print "</ul></li>";
4486                                         }
4487
4488                                         $category = $tmp_category;
4489
4490                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4491
4492                                         // workaround for NULL category
4493                                         if ($category == __("Uncategorized")) {
4494                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4495                                         }
4496
4497                                         $cat_id = (int) $cat_id;
4498
4499                                         printCategoryHeader($link, $cat_id, $collapsed, true);
4500
4501                                 }
4502
4503                                 printFeedEntry($feed_id, $class, $feed, $unread,
4504                                         false, $link, $rtl_content,
4505                                         $last_updated, $line["last_error"]);
4506
4507                                 ++$lnum;
4508                         }
4509
4510                         if (db_num_rows($result) == 0) {
4511
4512                                 if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4513                                         print "<li style='text-align : center'><a href=\"#\"
4514                                           onclick=\"quickAddFeed()\">".
4515                                                 __('Subscribe to feed...')."</a></li>";
4516                                 } else {
4517                                         printCategoryHeader($link, -1, false, false, "Feeds");
4518
4519                                         print "<li><a href=\"#\"
4520                                           onclick=\"quickAddFeed()\">".
4521                                                 __('Subscribe to feed...')."</a></li>";
4522
4523                                         print "</ul>";
4524                                 }
4525                         }
4526
4527                 } else {
4528
4529                         // tags
4530
4531 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4532                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4533                                 post_int_id = ttrss_user_entries.int_id AND
4534                                 unread = true AND ref_id = ttrss_entries.id
4535                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4536                         UNION
4537                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4538                         ORDER BY tag_name"); */
4539
4540                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4541                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4542                                 print "<ul class=\"feedCatList\">";
4543                         }
4544
4545                         $age_qpart = getMaxAgeSubquery();
4546
4547                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4548                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4549                                         AND ref_id = id AND $age_qpart
4550                                         AND unread = true)) AS count FROM ttrss_tags
4551                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4552                                         ORDER BY count DESC LIMIT 50");
4553
4554                         $tags = array();
4555
4556                         while ($line = db_fetch_assoc($result)) {
4557                                 $tags[$line["tag_name"]] += $line["count"];
4558                         }
4559
4560                         foreach (array_keys($tags) as $tag) {
4561
4562                                 $unread = $tags[$tag];
4563                                 $class = "tag";
4564
4565                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4566
4567                         }
4568
4569                         if (db_num_rows($result) == 0) {
4570                                 print "<li>No tags to display.</li>";
4571                         }
4572
4573                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4574                                 print "</ul>";
4575                         }
4576
4577                 }
4578
4579                 print "</ul>";
4580
4581         }
4582
4583         function get_article_tags($link, $id, $owner_uid = 0) {
4584
4585                 global $memcache;
4586
4587                 $a_id = db_escape_string($id);
4588
4589                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4590
4591                 $query = "SELECT DISTINCT tag_name,
4592                         owner_uid as owner FROM
4593                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4594                         ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
4595
4596                 $obj_id = md5("TAGS:$owner_uid:$id");
4597                 $tags = array();
4598
4599                 if ($memcache && $obj = $memcache->get($obj_id)) {
4600                         $tags = $obj;
4601                 } else {
4602                         /* check cache first */
4603
4604                         $result = db_query($link, "SELECT tag_cache FROM ttrss_user_entries
4605                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4606
4607                         $tag_cache = db_fetch_result($result, 0, "tag_cache");
4608
4609                         if ($tag_cache) {
4610                                 $tags = explode(",", $tag_cache);
4611                         } else {
4612
4613                                 /* do it the hard way */
4614
4615                                 $tmp_result = db_query($link, $query);
4616
4617                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4618                                         array_push($tags, $tmp_line["tag_name"]);
4619                                 }
4620
4621                                 /* update the cache */
4622
4623                                 $tags_str = db_escape_string(join(",", $tags));
4624
4625                                 db_query($link, "UPDATE ttrss_user_entries
4626                                         SET tag_cache = '$tags_str' WHERE ref_id = '$id'
4627                                         AND owner_uid = " . $_SESSION["uid"]);
4628                         }
4629
4630                         if ($memcache) $memcache->add($obj_id, $tags, 0, 3600);
4631                 }
4632
4633                 return $tags;
4634         }
4635
4636         function trim_value(&$value) {
4637                 $value = trim($value);
4638         }
4639
4640         function trim_array($array) {
4641                 $tmp = $array;
4642                 array_walk($tmp, 'trim_value');
4643                 return $tmp;
4644         }
4645
4646         function tag_is_valid($tag) {
4647                 if ($tag == '') return false;
4648                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4649                 if (mb_strlen($tag) > 250) return false;
4650
4651                 if (function_exists('iconv')) {
4652                         $tag = iconv("utf-8", "utf-8", $tag);
4653                 }
4654
4655                 if (!$tag) return false;
4656
4657                 return true;
4658         }
4659
4660         function render_login_form($link, $mobile = 0) {
4661                 switch ($mobile) {
4662                 case 0:
4663                         require_once "login_form.php";
4664                         break;
4665                 case 1:
4666                         require_once "mobile/login_form.php";
4667                         break;
4668                 case 2:
4669                         require_once "mobile/classic/login_form.php";
4670                 }
4671         }
4672
4673         // from http://developer.apple.com/internet/safari/faq.html
4674         function no_cache_incantation() {
4675                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4676                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4677                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4678                 header("Cache-Control: post-check=0, pre-check=0", false);
4679                 header("Pragma: no-cache"); // HTTP/1.0
4680         }
4681
4682         function format_warning($msg, $id = "") {
4683                 global $link;
4684                 return "<div class=\"warning\" id=\"$id\">
4685                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4686         }
4687
4688         function format_notice($msg) {
4689                 global $link;
4690                 return "<div class=\"notice\" id=\"$id\">
4691                         <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
4692         }
4693
4694         function format_error($msg) {
4695                 global $link;
4696                 return "<div class=\"error\" id=\"$id\">
4697                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4698         }
4699
4700         function print_notice($msg) {
4701                 return print format_notice($msg);
4702         }
4703
4704         function print_warning($msg) {
4705                 return print format_warning($msg);
4706         }
4707
4708         function print_error($msg) {
4709                 return print format_error($msg);
4710         }
4711
4712
4713         function T_sprintf() {
4714                 $args = func_get_args();
4715                 return vsprintf(__(array_shift($args)), $args);
4716         }
4717
4718         function format_inline_player($link, $url, $ctype) {
4719
4720                 $entry = "";
4721
4722                 if (($ctype == __("audio/mpeg")) &&  (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4723
4724                         $entry .= "<object type=\"application/x-shockwave-flash\"
4725                                 data=\"extras/button/musicplayer.swf?song_url=$url\"
4726                                 width=\"17\" height=\"17\">
4727                                         <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object>";
4728                 }
4729
4730                 /*
4731
4732                 if (substr($ctype,0,6)=="audio/" || $ctype=="application/ogg" || $ctype=="application/x-ogg") {
4733                         $entry .= "<audio controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4734                         if (($ctype == __("audio/mpeg")) &&
4735                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4736                                 $entry .= "<span><object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object></span>";
4737                         }
4738                         $entry .= "</audio> ";
4739                         if (($ctype == __("audio/mpeg")) &&
4740                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4741                                 $entry .= "<a id='switchToFlashLink' href='#' onclick='return switchToFlash(this)'>".__('Switch to Flash Player')."</a>";
4742                                 $entry .= "<script type='text/javascript'>html5AudioOrFlash('$ctype');</script>";
4743                         }
4744                 } elseif (substr($ctype,0,6)=="video/") {
4745                         $entry .= "<video controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4746                         $entry .= "</video>";
4747                 } */
4748
4749
4750
4751                 return $entry;
4752         }
4753
4754         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4755                 $zoom_mode = false) {
4756
4757                 /* we can figure out feed_id from article id anyway, why do we
4758                  * pass feed_id here? let's ignore the argument :( */
4759
4760                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4761                         WHERE ref_id = '$id'");
4762
4763                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4764
4765                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4766
4767                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4768                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4769
4770                 if (db_num_rows($result) == 1) {
4771                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4772                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4773                 } else {
4774                         $rtl_content = false;
4775                         $always_display_enclosures = false;
4776                 }
4777
4778                 if ($rtl_content) {
4779                         $rtl_tag = "dir=\"RTL\"";
4780                         $rtl_class = "RTL";
4781                 } else {
4782                         $rtl_tag = "";
4783                         $rtl_class = "";
4784                 }
4785
4786                 if ($mark_as_read) {
4787                         $result = db_query($link, "UPDATE ttrss_user_entries
4788                                 SET unread = false,last_read = NOW()
4789                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4790
4791                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4792                 }
4793
4794                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4795                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4796                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4797                         (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
4798                         num_comments,
4799                         author,
4800                         orig_feed_id,
4801                         note
4802                         FROM ttrss_entries,ttrss_user_entries
4803                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4804
4805                 if ($result) {
4806
4807                         $line = db_fetch_assoc($result);
4808
4809                         if ($line["icon_url"]) {
4810                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4811                         } else {
4812                                 $feed_icon = "&nbsp;";
4813                         }
4814
4815                         $feed_site_url = $line['site_url'];
4816
4817                         $num_comments = $line["num_comments"];
4818                         $entry_comments = "";
4819
4820                         if ($num_comments > 0) {
4821                                 if ($line["comments"]) {
4822                                         $comments_url = $line["comments"];
4823                                 } else {
4824                                         $comments_url = $line["link"];
4825                                 }
4826                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
4827                         } else {
4828                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4829                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
4830                                 }
4831                         }
4832
4833                         if ($zoom_mode) {
4834                                 header("Content-Type: text/html");
4835                                 print "<html><head>
4836                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4837                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4838                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4839                                         </head><body>";
4840                         }
4841
4842
4843                         print "<div class=\"postReply\">";
4844                         print "<div class=\"postHeader\">";
4845
4846                         $entry_author = $line["author"];
4847
4848                         if ($entry_author) {
4849                                 $entry_author = __(" - ") . $entry_author;
4850                         }
4851
4852                         $parsed_updated = make_local_datetime($link, $line["updated"], true,
4853                                 false, true);
4854
4855                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4856
4857                         if ($line["link"]) {
4858                                 print "<div clear='both'><a target='_blank' href=\"" . $line["link"] . "\">" .
4859                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4860                         } else {
4861                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4862                         }
4863
4864                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4865
4866                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4867
4868                         print "<div style='float : right'>
4869                                 <img src='".theme_image($link, 'images/tag.png')."'
4870                                 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4871
4872                         if (!$zoom_mode) {
4873                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4874                                         <a title=\"".__('Edit tags for this article')."\"
4875                                         href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
4876
4877                                 print "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
4878                                                 class='tagsPic' style=\"cursor : pointer\"
4879                                                 onclick=\"zoomToArticle($id)\"
4880                                                 alt='Zoom' title='".__('Show article summary in new window')."'>";
4881
4882                                 $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4883
4884                                 print "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\"
4885                                                 class='tagsPic' style=\"cursor : pointer\"
4886                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
4887                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
4888
4889                                 if (DIGEST_ENABLE) {
4890                                         print "<img src=\"".theme_image($link, 'images/art-email.png')."\"
4891                                                 class='tagsPic' style=\"cursor : pointer\"
4892                                                 onclick=\"emailArticle($id)\"
4893                                                 alt='Zoom' title='".__('Forward by email')."'>";
4894                                 }
4895
4896                         } else {
4897                                 $tags_str = strip_tags($tags_str);
4898                                 print "<span id=\"ATSTR-$id\">$tags_str</span>";
4899                         }
4900                         print "</div>";
4901                         print "<div clear='both'>$entry_comments</div>";
4902
4903                         if ($line["orig_feed_id"]) {
4904
4905                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
4906                                         WHERE id = ".$line["orig_feed_id"]);
4907
4908                                 if (db_num_rows($tmp_result) != 0) {
4909
4910                                         print "<div clear='both'>";
4911                                         print __("Originally from:");
4912
4913                                         print "&nbsp;";
4914
4915                                         $tmp_line = db_fetch_assoc($tmp_result);
4916
4917                                         print "<a target='_blank'
4918                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
4919                                                 $tmp_line['title'] . "</a>";
4920
4921                                         print "&nbsp;";
4922
4923                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
4924                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
4925
4926                                         print "</div>";
4927                                 }
4928                         }
4929
4930                         print "</div>";
4931
4932                         print "<div class=\"postIcon\">" .
4933                                 "<a target=\"_blank\" title=\"".__("Visit the website")."\"$
4934                                 href=\"".htmlspecialchars($feed_site_url)."\">".
4935                                 $feed_icon . "</a></div>";
4936
4937                         print "<div class=\"postContent\">";
4938
4939                         $article_content = sanitize_rss($link, $line["content"], false, false,
4940                                 $feed_site_url);
4941
4942                         print "<div id=\"POSTNOTE-$id\">";
4943                                 if ($line['note']) {
4944                                         print format_article_note($id, $line['note']);
4945                                 }
4946                         print "</div>";
4947
4948                         print $article_content;
4949
4950                         print_article_enclosures($link, $id, $always_display_enclosures,
4951                                 $article_content);
4952
4953                         print "</div>";
4954
4955                         print "</div>";
4956
4957                 }
4958
4959                 if (!$zoom_mode) {
4960                         print "]]></article>";
4961                 } else {
4962                         print "
4963                                 <div style=\"text-align : center\">
4964                                 <button onclick=\"return window.close()\">".
4965                                         __("Close this window")."</button></div>";
4966                         print "</body></html>";
4967
4968                 }
4969
4970         }
4971
4972         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4973                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4974                                         $override_order = false) {
4975
4976                 $disable_cache = false;
4977
4978                 $timing_info = getmicrotime();
4979
4980                 $topmost_article_ids = array();
4981
4982                 if (!$offset) {
4983                         $offset = 0;
4984                 }
4985
4986                 if ($subop == "undefined") $subop = "";
4987
4988                 $subop_split = split(":", $subop);
4989
4990                 if ($subop == "CatchupSelected") {
4991                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
4992                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
4993
4994                         catchupArticlesById($link, $ids, $cmode);
4995                 }
4996
4997                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0 && !$cat_view) {
4998                         update_generic_feed($link, $feed, $cat_view, true);
4999                 }
5000
5001                 if ($subop == "MarkAllRead")  {
5002                         catchup_feed($link, $feed, $cat_view);
5003
5004                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
5005                                 if ($next_unread_feed) {
5006                                         $feed = $next_unread_feed;
5007                                 }
5008                         }
5009                 }
5010
5011                 if ($subop_split[0] == "MarkAllReadGR")  {
5012                         catchup_feed($link, $subop_split[1], false);
5013                 }
5014
5015                 // FIXME: might break tag display?
5016
5017                 if ($feed > 0 && !$cat_view) {
5018                         $result = db_query($link,
5019                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
5020
5021                         if (db_num_rows($result) == 0) {
5022                                 print "<div align='center'>".__('Feed not found.')."</div>";
5023                                 return;
5024                         }
5025                 }
5026
5027                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
5028
5029                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
5030                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
5031
5032                         if (db_num_rows($result) == 1) {
5033                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
5034                         } else {
5035                                 $rtl_content = false;
5036                         }
5037
5038                         if ($rtl_content) {
5039                                 $rtl_tag = "dir=\"RTL\"";
5040                         } else {
5041                                 $rtl_tag = "";
5042                         }
5043                 } else {
5044                         $rtl_tag = "";
5045                         $rtl_content = false;
5046                 }
5047
5048                 /// START /////////////////////////////////////////////////////////////////////////////////
5049
5050                 @$search = db_escape_string($_REQUEST["query"]);
5051
5052                 if ($search) {
5053                         $disable_cache = true;
5054                 }
5055
5056                 @$search_mode = db_escape_string($_REQUEST["search_mode"]);
5057                 @$match_on = db_escape_string($_REQUEST["match_on"]);
5058
5059                 if (!$match_on) {
5060                         $match_on = "both";
5061                 }
5062
5063                 $real_offset = $offset * $limit;
5064
5065                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
5066
5067                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
5068                         $search, $search_mode, $match_on, $override_order, $real_offset);
5069
5070                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
5071
5072                 $result = $qfh_ret[0];
5073                 $feed_title = $qfh_ret[1];
5074                 $feed_site_url = $qfh_ret[2];
5075                 $last_error = $qfh_ret[3];
5076
5077                 $vgroup_last_feed = $vgr_last_feed;
5078
5079 /*              if ($feed == -2) {
5080                         $feed_site_url = article_publish_url($link);
5081                 } */
5082
5083                 /// STOP //////////////////////////////////////////////////////////////////////////////////
5084
5085                 if (!$offset) {
5086                         print "<div id=\"headlinesContainer\" $rtl_tag>";
5087
5088                         if (!$result) {
5089                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
5090                                 return;
5091                         }
5092
5093                         if (db_num_rows($result) > 0) {
5094                                 print_headline_subtoolbar($link, $feed_site_url, $feed_title,
5095                                         $feed, $cat_view, $search, $match_on, $search_mode, $view_mode);
5096
5097                                 print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
5098
5099                         }
5100                 }
5101
5102                 $headlines_count = db_num_rows($result);
5103
5104                 if (db_num_rows($result) > 0) {
5105
5106 #                       print "\{$offset}";
5107
5108                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5109                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
5110                                         cellspacing=\"0\">";
5111                         }
5112
5113                         $lnum = $limit*$offset;
5114
5115                         $num_unread = 0;
5116                         $cur_feed_title = '';
5117
5118                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
5119
5120                         while ($line = db_fetch_assoc($result)) {
5121
5122                                 $class = ($lnum % 2) ? "even" : "odd";
5123
5124                                 $id = $line["id"];
5125                                 $feed_id = $line["feed_id"];
5126
5127                                 $labels = get_article_labels($link, $id);
5128
5129                                 $labels_str = "<span id=\"HLLCTR-$id\">";
5130                                 $labels_str .= format_article_labels($labels, $id);
5131                                 $labels_str .= "</span>";
5132
5133                                 if (count($topmost_article_ids) < 3) {
5134                                         array_push($topmost_article_ids, $id);
5135                                 }
5136
5137                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
5138
5139                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5140                                                 theme_image($link, 'images/updated.png')."\"
5141                                                 alt=\"Updated\">";
5142                                 } else {
5143                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
5144                                                 alt=\"Updated\">";
5145                                 }
5146
5147                                 if (sql_bool_to_bool($line["unread"]) &&
5148                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
5149
5150                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5151                                                 theme_image($link, 'images/fresh_sign.png')."\" alt=\"Fresh\">";
5152                                 }
5153
5154                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
5155                                         $class .= "Unread";
5156                                         ++$num_unread;
5157                                         $is_unread = true;
5158                                 } else {
5159                                         $is_unread = false;
5160                                 }
5161
5162                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
5163                                         $marked_pic = "<img id=\"FMPIC-$id\"
5164                                                 src=\"".theme_image($link, 'images/mark_set.png')."\"
5165                                                 class=\"markedPic\" alt=\"Unstar article\"
5166                                                 onclick='javascript:tMark($id)'>";
5167                                 } else {
5168                                         $marked_pic = "<img id=\"FMPIC-$id\"
5169                                                 src=\"".theme_image($link, 'images/mark_unset.png')."\"
5170                                                 class=\"markedPic\" alt=\"Star article\"
5171                                                 onclick='javascript:tMark($id)'>";
5172                                 }
5173
5174                                 if ($line["published"] == "t" || $line["published"] == "1") {
5175                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
5176                                                 'images/pub_set.png')."\"
5177                                                 class=\"markedPic\"
5178                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
5179                                 } else {
5180                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
5181                                                 'images/pub_unset.png')."\"
5182                                                 class=\"markedPic\"
5183                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
5184                                 }
5185
5186 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
5187 #                                       $line["title"] . "</a>";
5188
5189 #                               $content_link = "<a
5190 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
5191 #                                       onclick=\"view($id,$feed_id);\">" .
5192 #                                       $line["title"] . "</a>";
5193
5194 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
5195 #                                       $line["title"] . "</a>";
5196
5197                                 $updated_fmt = make_local_datetime($link, $line["updated_noms"], false);
5198
5199                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5200                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
5201                                                 100);
5202                                 }
5203
5204                                 $score = $line["score"];
5205
5206                                 $score_pic = theme_image($link,
5207                                         "images/" . get_score_pic($score));
5208
5209 /*                              $score_title = __("(Click to change)");
5210                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5211                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
5212
5213                                 $score_pic = "<img class='hlScorePic' src=\"$score_pic\"
5214                                         title=\"$score\">";
5215
5216                                 if ($score > 500) {
5217                                         $hlc_suffix = "H";
5218                                 } else if ($score < -100) {
5219                                         $hlc_suffix = "L";
5220                                 } else {
5221                                         $hlc_suffix = "";
5222                                 }
5223
5224                                 $entry_author = $line["author"];
5225
5226                                 if ($entry_author) {
5227                                         $entry_author = " - $entry_author";
5228                                 }
5229
5230                                 $has_feed_icon = feed_has_icon($feed_id);
5231
5232                                 if ($has_feed_icon) {
5233                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5234                                 } else {
5235                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5236                                         $feed_icon_img = "";
5237                                 }
5238
5239                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5240
5241                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5242                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5243
5244                                                         $cur_feed_title = $line["feed_title"];
5245                                                         $vgroup_last_feed = $feed_id;
5246
5247                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5248
5249                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5250
5251                                                         print "<tr class='feedTitle'><td colspan='7'>".
5252                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5253                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5254                                                                 $line["feed_title"]."</a> $vf_catchup_link</td></tr>";
5255                                                 }
5256                                         }
5257
5258                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5259                                                 onmouseout='postMouseOut($id)'";
5260
5261                                         print "<tr class='$class' id='RROW-$id' $mouseover_attrs>";
5262
5263                                         print "<td class='hlUpdPic'>$update_pic</td>";
5264
5265                                         print "<td class='hlSelectRow'>
5266                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
5267                                                         id=\"RCHK-$id\">
5268                                                 </td>";
5269
5270                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
5271                                         print "<td class='hlMarkedPic'>$published_pic</td>";
5272
5273                                         print "<td onclick='return hlClicked(event,$id)'
5274                                                 class='hlContent$hlc_suffix' valign='middle' id='HLC-$id'>";
5275
5276                                         print "<a id=\"RTITLE-$id\"
5277                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5278                                                 onclick=\"return false\">" .
5279                                                 $line["title"];
5280
5281                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5282                                                 if ($content_preview) {
5283                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5284                                                 }
5285                                         }
5286
5287                                         print "</a>";
5288
5289                                         print $labels_str;
5290
5291                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5292                                                 if (@$line["feed_title"]) {
5293                                                         print "<span class=\"hlFeed\">
5294                                                                 (<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5295                                                                 $line["feed_title"]."</a>)
5296                                                         </span>";
5297                                                 }
5298                                         }
5299
5300                                         print "</td>";
5301
5302
5303                                         print "<td class=\"hlUpdated\"
5304                                                 onclick='return hlClicked(event,$id)'><nobr>$updated_fmt&nbsp;
5305                                         </nobr></td>";
5306
5307                                         print "<td class='hlMarkedPic'>$score_pic</td>";
5308
5309                                         if (@$line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5310                                                 print "<td onclick=\"viewfeed($feed_id)\"
5311                                                         title=\"".htmlspecialchars($line['feed_title'])."\"
5312                                                         class=\"hlFeedIcon\">$feed_icon_img</td>";
5313                                         }
5314
5315                                         print "</tr>";
5316
5317                                 } else {
5318
5319                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5320                                                 if ($feed_id != $vgroup_last_feed) {
5321
5322                                                         $cur_feed_title = $line["feed_title"];
5323                                                         $vgroup_last_feed = $feed_id;
5324
5325                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5326
5327                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5328
5329                                                         $has_feed_icon = feed_has_icon($feed_id);
5330
5331                                                         if ($has_feed_icon) {
5332                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5333                                                         } else {
5334                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5335                                                         }
5336
5337                                                         print "<div class='cdmFeedTitle'>".
5338                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5339                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5340                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5341                                                 }
5342                                         }
5343
5344                                         if ($is_unread) {
5345                                                 $add_class = "Unread";
5346                                         } else {
5347                                                 $add_class = "";
5348                                         }
5349
5350                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5351
5352                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5353                                                 onmouseout='postMouseOut($id)'";
5354
5355                                         print "<div class=\"$class\"
5356                                                 id=\"RROW-$id\"
5357                                                 $mouseover_attrs'>";
5358
5359                                         print "<div class=\"cdmHeader\">";
5360
5361                                         print "<div style='float : right'>";
5362                                         print "<span class='updated'>$updated_fmt</span>";
5363                                         print "$marked_pic";
5364                                         print "$published_pic";
5365                                         print "$score_pic";
5366
5367                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") && $line["feed_title"]) {
5368                                                 print "<span style=\"cursor : pointer\"
5369                                                         title=\"".htmlspecialchars($line["feed_title"])."\"
5370                                                         onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5371                                         }
5372                                         print "</div>";
5373
5374                                         print "<input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5375                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\"/>";
5376
5377                                         print "<span id=\"RTITLE-$id\"
5378                                                 onclick=\"return cdmExpandArticle($id)\"
5379                                                 class=\"titleWrap$hlc_suffix\">
5380                                                 <a class=\"title\"
5381                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5382                                                 </span>";
5383
5384                                         print $labels_str;
5385
5386                                         if (!$expand_cdm)
5387                                                 $content_hidden = "style=\"display : none\"";
5388                                         else
5389                                                 $excerpt_hidden = "style=\"display : none\"";
5390
5391                                         print "<span $excerpt_hidden
5392                                                 onclick=\"return cdmExpandArticle($id)\"
5393                                                 id=\"CEXC-$id\" class=\"cdmExcerpt\"> - $content_preview</span>";
5394
5395                                         print "</div>";
5396
5397                                         print "<div class=\"cdmContent\" $content_hidden
5398                                                 onclick=\"return cdmClicked(event, $id);\"
5399                                                 id=\"CICD-$id\">";
5400
5401                                         print "<div class=\"cdmContentInner\">";
5402
5403                         if ($line["orig_feed_id"]) {
5404
5405                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
5406                                         WHERE id = ".$line["orig_feed_id"]);
5407
5408                                                 if (db_num_rows($tmp_result) != 0) {
5409
5410                                                         print "<div clear='both'>";
5411                                                         print __("Originally from:");
5412
5413                                                         print "&nbsp;";
5414
5415                                                         $tmp_line = db_fetch_assoc($tmp_result);
5416
5417                                                         print "<a target='_blank'
5418                                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
5419                                                                 $tmp_line['title'] . "</a>";
5420
5421                                                         print "&nbsp;";
5422
5423                                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
5424                                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
5425
5426                                                         print "</div>";
5427                                                 }
5428                                         }
5429
5430                                         // FIXME: make this less of a hack
5431
5432                                         $feed_site_url = false;
5433
5434                                         if ($line["feed_id"]) {
5435                                                 $tmp_result = db_query($link, "SELECT site_url FROM ttrss_feeds
5436                                                         WHERE id = " . $line["feed_id"]);
5437
5438                                                 if (db_num_rows($tmp_result) == 1) {
5439                                                         $feed_site_url = db_fetch_result($tmp_result, 0, "site_url");
5440                                                 }
5441                                         }
5442
5443                                         $article_content = sanitize_rss($link, $line["content_preview"],
5444                                                 false, false, $feed_site_url);
5445
5446                                         if (!$article_content) $article_content = "&nbsp;";
5447
5448                                         print "<div id=\"POSTNOTE-$id\">";
5449                                         if ($line['note']) {
5450                                                 print format_article_note($id, $line['note']);
5451                                         }
5452                                         print "</div>";
5453
5454                                         print $article_content;
5455
5456                                         $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5457                                                 ttrss_feeds WHERE id = ".
5458                                                 (($line['feed_id'] == null) ? $line['orig_feed_id'] :
5459                                                                 $line['feed_id'])." AND owner_uid = ".$_SESSION["uid"]);
5460
5461                                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($tmp_result,
5462                                                 0, "always_display_enclosures"));
5463
5464                                         print_article_enclosures($link, $id, $always_display_enclosures,
5465                                                 $article_content);
5466
5467                                         print "</div>";
5468
5469                                         print "<div class=\"cdmFooter\">";
5470
5471                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5472
5473                                         print "<img src='".theme_image($link,
5474                                                         'images/tag.png')."' alt='Tags' title='Tags'>
5475                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5476                                                 <a title=\"".__('Edit tags for this article')."\"
5477                                                 href=\"#\" onclick=\"editArticleTags($id, $feed_id, true)\">(+)</a>";
5478
5479                                         print "<div style=\"float : right\">";
5480
5481                                         print "<img src=\"images/art-zoom.png\"
5482                                                 onclick=\"zoomToArticle($id)\"
5483                                                 style=\"cursor : pointer\"
5484                                                 alt='Zoom'
5485                                                 title='".__('Show article summary in new window')."'>";
5486
5487                                         if (DIGEST_ENABLE) {
5488                                                 print "<img src=\"".theme_image($link, 'images/art-email.png')."\"
5489                                                         style=\"cursor : pointer\"
5490                                                         onclick=\"emailArticle($id)\"
5491                                                         alt='Zoom' title='".__('Forward by email')."'>";
5492                                         }
5493
5494                                         $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5495
5496                                         print "<img src=\"images/art-pub-note.png\"
5497                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5498                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
5499                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
5500
5501                                         print "<img src=\"images/digest_checkbox.png\"
5502                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5503                                                 onclick=\"dismissArticle($id)\"
5504                                                 alt='Dismiss' title='".__('Dismiss article')."'>";
5505
5506                                         print "</div>";
5507                                         print "</div>";
5508
5509                                         print "</div>";
5510
5511                                         print "</div>";
5512
5513                                 }
5514
5515                                 ++$lnum;
5516                         }
5517
5518                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5519                                 print "</table>";
5520                         }
5521
5522                 } else {
5523                         $message = "";
5524
5525                         switch ($view_mode) {
5526                                 case "unread":
5527                                         $message = __("No unread articles found to display.");
5528                                         break;
5529                                 case "updated":
5530                                         $message = __("No updated articles found to display.");
5531                                         break;
5532                                 case "marked":
5533                                         $message = __("No starred articles found to display.");
5534                                         break;
5535                                 default:
5536                                         if ($feed < -10) {
5537                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5538                                         } else {
5539                                                 $message = __("No articles found to display.");
5540                                         }
5541                         }
5542
5543                         if (!$offset && $message) {
5544                                 print "<div class='whiteBox'>$message";
5545
5546                                 print "<p class=\"small\"><span class=\"insensitive\">";
5547
5548                                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
5549                                         WHERE owner_uid = " . $_SESSION['uid']);
5550
5551                                 $last_updated = db_fetch_result($result, 0, "last_updated");
5552                                 $last_updated = make_local_datetime($link, $last_updated, false);
5553
5554                                 printf(__("Feeds last updated at %s"), $last_updated);
5555
5556                                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
5557                                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
5558
5559                                 $num_errors = db_fetch_result($result, 0, "num_errors");
5560
5561                                 if ($num_errors > 0) {
5562                                         print "<br/>";
5563                                         print "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
5564                                                 __('Some feeds have update errors (click for details)')."</a>";
5565                                 }
5566                                 print "</span></p></div>";
5567                         }
5568                 }
5569
5570                 if (!$offset) {
5571                         if ($headlines_count > 0) print "</div>";
5572                         print "</div>";
5573                 }
5574
5575                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5576         }
5577
5578 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5579
5580         function printTagCloud($link) {
5581
5582                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5583                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5584                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5585
5586                 $result = db_query($link, $query);
5587
5588                 $tags = array();
5589
5590                 while ($line = db_fetch_assoc($result)) {
5591                         $tags[$line["tag_name"]] = $line["count"];
5592                 }
5593
5594                 ksort($tags);
5595
5596                 $max_size = 32; // max font size in pixels
5597                 $min_size = 11; // min font size in pixels
5598
5599                 // largest and smallest array values
5600                 $max_qty = max(array_values($tags));
5601                 $min_qty = min(array_values($tags));
5602
5603                 // find the range of values
5604                 $spread = $max_qty - $min_qty;
5605                 if ($spread == 0) { // we don't want to divide by zero
5606                                 $spread = 1;
5607                 }
5608
5609                 // set the font-size increment
5610                 $step = ($max_size - $min_size) / ($spread);
5611
5612                 // loop through the tag array
5613                 foreach ($tags as $key => $value) {
5614                         // calculate font-size
5615                         // find the $value in excess of $min_qty
5616                         // multiply by the font-size increment ($size)
5617                         // and add the $min_size set above
5618                         $size = round($min_size + (($value - $min_qty) * $step));
5619
5620                         $key_escaped = str_replace("'", "\\'", $key);
5621
5622                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5623                                 $size . "px\" title=\"$value articles tagged with " .
5624                                 $key . '">' . $key . '</a> ';
5625                 }
5626         }
5627
5628         function print_checkpoint($n, $s) {
5629                 $ts = getmicrotime();
5630                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5631                 return $ts;
5632         }
5633
5634         function sanitize_tag($tag) {
5635                 $tag = trim($tag);
5636
5637                 $tag = mb_strtolower($tag, 'utf-8');
5638
5639                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5640
5641 //              $tag = str_replace('"', "", $tag);
5642 //              $tag = str_replace("+", " ", $tag);
5643                 $tag = str_replace("technorati tag: ", "", $tag);
5644
5645                 return $tag;
5646         }
5647
5648         function get_self_url_prefix() {
5649
5650                 $url_path = "";
5651
5652                 if ($_SERVER['HTTPS'] != "on") {
5653                         $url_path = "http://";
5654                 } else {
5655                         $url_path = "https://";
5656                 }
5657
5658                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5659
5660                 return $url_path;
5661
5662         }
5663         function opml_publish_url($link){
5664
5665                 $url_path = get_self_url_prefix();
5666                 $url_path .= "/opml.php?op=publish&key=" .
5667                         get_feed_access_key($link, 'OPML:Publish', false, $_SESSION["uid"]);
5668
5669                 return $url_path;
5670         }
5671
5672         /**
5673          * Purge a feed contents, marked articles excepted.
5674          *
5675          * @param mixed $link The database connection.
5676          * @param integer $id The id of the feed to purge.
5677          * @return void
5678          */
5679         function clear_feed_articles($link, $id) {
5680
5681                 if ($id != 0) {
5682                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5683                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5684                 } else {
5685                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5686                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5687                 }
5688
5689                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5690                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5691
5692                 ccache_update($link, $id, $_SESSION['uid']);
5693         } // function clear_feed_articles
5694
5695         /**
5696          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5697          *
5698          * @return string The Mozilla Firefox feed adding URL.
5699          */
5700         function add_feed_url() {
5701                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5702                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5703                 return $url_path;
5704         } // function add_feed_url
5705
5706         /**
5707          * Encrypt a password in SHA1.
5708          *
5709          * @param string $pass The password to encrypt.
5710          * @param string $login A optionnal login.
5711          * @return string The encrypted password.
5712          */
5713         function encrypt_password($pass, $login = '') {
5714                 if ($login) {
5715                         return "SHA1X:" . sha1("$login:$pass");
5716                 } else {
5717                         return "SHA1:" . sha1($pass);
5718                 }
5719         } // function encrypt_password
5720
5721         /**
5722          * Update a feed batch.
5723          * Used by daemons to update n feeds by run.
5724          * Only update feed needing a update, and not being processed
5725          * by another process.
5726          *
5727          * @param mixed $link Database link
5728          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5729          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5730          * @param boolean $debug Set to false to disable debug output. Default to true.
5731          * @return void
5732          */
5733         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5734                 // Process all other feeds using last_updated and interval parameters
5735
5736                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5737                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5738                         if (DB_TYPE == "pgsql") {
5739                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5740                         } else {
5741                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5742                         }
5743                 } else {
5744                         $login_thresh_qpart = "";
5745                 }
5746
5747                 // Test if the feed need a update (update interval exceded).
5748                 if (DB_TYPE == "pgsql") {
5749                         $update_limit_qpart = "AND ((
5750                                         ttrss_feeds.update_interval = 0
5751                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5752                                 ) OR (
5753                                         ttrss_feeds.update_interval > 0
5754                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5755                                 ) OR ttrss_feeds.last_updated IS NULL)";
5756                 } else {
5757                         $update_limit_qpart = "AND ((
5758                                         ttrss_feeds.update_interval = 0
5759                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5760                                 ) OR (
5761                                         ttrss_feeds.update_interval > 0
5762                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5763                                 ) OR ttrss_feeds.last_updated IS NULL)";
5764                 }
5765
5766                 // Test if feed is currently being updated by another process.
5767                 if (DB_TYPE == "pgsql") {
5768                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5769                 } else {
5770                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5771                 }
5772
5773                 // Test if there is a limit to number of updated feeds
5774                 $query_limit = "";
5775                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5776
5777                 $random_qpart = sql_random_function();
5778
5779                 // We search for feed needing update.
5780                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5781                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5782                                 ttrss_feeds.update_interval
5783                         FROM
5784                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5785                         WHERE
5786                                 ttrss_feeds.owner_uid = ttrss_users.id
5787                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5788                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5789                                 $login_thresh_qpart $update_limit_qpart
5790                          $updstart_thresh_qpart
5791                         ORDER BY $random_qpart $query_limit");
5792
5793                 $user_prefs_cache = array();
5794
5795                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5796
5797                 // Here is a little cache magic in order to minimize risk of double feed updates.
5798                 $feeds_to_update = array();
5799                 while ($line = db_fetch_assoc($result)) {
5800                         $feeds_to_update[$line['id']] = $line;
5801                 }
5802
5803                 // We update the feed last update started date before anything else.
5804                 // There is no lag due to feed contents downloads
5805                 // It prevent an other process to update the same feed.
5806                 $feed_ids = array_keys($feeds_to_update);
5807                 if($feed_ids) {
5808                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5809                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5810                 }
5811
5812                 // For each feed, we call the feed update function.
5813                 while ($line = array_pop($feeds_to_update)) {
5814
5815                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5816
5817                         update_rss_feed($link, $line["id"], true);
5818
5819                         sleep(1); // prevent flood (FIXME make this an option?)
5820                 }
5821
5822                 // Send feed digests by email if needed.
5823                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5824
5825                 purge_orphans($link);
5826
5827         } // function update_daemon_common
5828
5829         function sanitize_article_content($text) {
5830                 # we don't support CDATA sections in articles, they break our own escaping
5831                 $text = preg_replace("/\[\[CDATA/", "", $text);
5832                 $text = preg_replace("/\]\]\>/", "", $text);
5833                 return $text;
5834         }
5835
5836         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5837                 $filters = array();
5838
5839                 global $memcache;
5840
5841                 $obj_id = md5("FILTER:$feed:$owner_uid:$action_id");
5842
5843                 if ($memcache && $obj = $memcache->get($obj_id)) {
5844
5845                         return $obj;
5846
5847                 } else {
5848
5849                         if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5850
5851                         $result = db_query($link, "SELECT reg_exp,
5852                                 ttrss_filter_types.name AS name,
5853                                 ttrss_filter_actions.name AS action,
5854                                 inverse,
5855                                 action_param,
5856                                 filter_param
5857                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5858                                         enabled = true AND
5859                                         $ftype_query_part
5860                                         owner_uid = $owner_uid AND
5861                                         ttrss_filter_types.id = filter_type AND
5862                                         ttrss_filter_actions.id = action_id AND
5863                                         (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5864
5865                         while ($line = db_fetch_assoc($result)) {
5866                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5867                                         $filter["reg_exp"] = $line["reg_exp"];
5868                                         $filter["action"] = $line["action"];
5869                                         $filter["action_param"] = $line["action_param"];
5870                                         $filter["filter_param"] = $line["filter_param"];
5871                                         $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5872
5873                                         array_push($filters[$line["name"]], $filter);
5874                                 }
5875
5876                         if ($memcache) $memcache->add($obj_id, $filters, 0, 3600*8);
5877
5878                         return $filters;
5879                 }
5880         }
5881
5882         function get_score_pic($score) {
5883                 if ($score > 100) {
5884                         return "score_high.png";
5885                 } else if ($score > 0) {
5886                         return "score_half_high.png";
5887                 } else if ($score < -100) {
5888                         return "score_low.png";
5889                 } else if ($score < 0) {
5890                         return "score_half_low.png";
5891                 } else {
5892                         return "score_neutral.png";
5893                 }
5894         }
5895
5896         function rounded_table_start($classname, $header = "&nbsp;") {
5897                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5898                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5899                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5900         }
5901
5902         function rounded_table_end($footer = "&nbsp;") {
5903                 print "</td><td class='right'>&nbsp;</td></tr>";
5904                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5905                 print "</table>";
5906         }
5907
5908         function feed_has_icon($id) {
5909                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5910         }
5911
5912         function init_connection($link) {
5913                 if (DB_TYPE == "pgsql") {
5914                         pg_query($link, "set client_encoding = 'UTF-8'");
5915                         pg_set_client_encoding("UNICODE");
5916                         pg_query($link, "set datestyle = 'ISO, european'");
5917                         pg_query($link, "set TIME ZONE 0");
5918                 } else {
5919                         db_query($link, "SET time_zone = '+0:0'");
5920
5921                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5922                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5923         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5924                         }
5925                 }
5926         }
5927
5928         function update_feedbrowser_cache($link) {
5929
5930                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
5931                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5932                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5933                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
5934                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
5935
5936                 db_query($link, "BEGIN");
5937
5938                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5939
5940                 $count = 0;
5941
5942                 while ($line = db_fetch_assoc($result)) {
5943                         $subscribers = db_escape_string($line["subscribers"]);
5944                         $feed_url = db_escape_string($line["feed_url"]);
5945                         $title = db_escape_string($line["title"]);
5946
5947                         $tmp_result = db_query($link, "SELECT subscribers FROM
5948                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
5949
5950                         if (db_num_rows($tmp_result) == 0) {
5951
5952                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5953                                         (feed_url, title, subscribers) VALUES ('$feed_url',
5954                                                 '$title', '$subscribers')");
5955
5956                                 ++$count;
5957
5958                         }
5959
5960                 }
5961
5962                 db_query($link, "COMMIT");
5963
5964                 return $count;
5965
5966         }
5967
5968         function ccache_zero($link, $feed_id, $owner_uid) {
5969                 db_query($link, "UPDATE ttrss_counters_cache SET
5970                         value = 0, updated = NOW() WHERE
5971                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5972         }
5973
5974         function ccache_zero_all($link, $owner_uid) {
5975                 db_query($link, "UPDATE ttrss_counters_cache SET
5976                         value = 0 WHERE owner_uid = '$owner_uid'");
5977
5978                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
5979                         value = 0 WHERE owner_uid = '$owner_uid'");
5980         }
5981
5982         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
5983
5984                 if (!$is_cat) {
5985                         $table = "ttrss_counters_cache";
5986                 } else {
5987                         $table = "ttrss_cat_counters_cache";
5988                 }
5989
5990                 db_query($link, "DELETE FROM $table WHERE
5991                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5992
5993         }
5994
5995         function ccache_update_all($link, $owner_uid) {
5996
5997                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
5998
5999                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
6000                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
6001
6002                         while ($line = db_fetch_assoc($result)) {
6003                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
6004                         }
6005
6006                         /* We have to manually include category 0 */
6007
6008                         ccache_update($link, 0, $owner_uid, true);
6009
6010                 } else {
6011                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
6012                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
6013
6014                         while ($line = db_fetch_assoc($result)) {
6015                                 print ccache_update($link, $line["feed_id"], $owner_uid);
6016
6017                         }
6018
6019                 }
6020         }
6021
6022         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
6023                 $no_update = false) {
6024
6025                 if (!is_numeric($feed_id)) return;
6026
6027                 if (!$is_cat) {
6028                         $table = "ttrss_counters_cache";
6029                         if ($feed_id > 0) {
6030                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
6031                                         WHERE id = '$feed_id'");
6032                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
6033                         }
6034                 } else {
6035                         $table = "ttrss_cat_counters_cache";
6036                 }
6037
6038                 if (DB_TYPE == "pgsql") {
6039                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
6040                 } else if (DB_TYPE == "mysql") {
6041                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
6042                 }
6043
6044                 $result = db_query($link, "SELECT value FROM $table
6045                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
6046                         LIMIT 1");
6047
6048                 if (db_num_rows($result) == 1) {
6049                         return db_fetch_result($result, 0, "value");
6050                 } else {
6051                         if ($no_update) {
6052                                 return -1;
6053                         } else {
6054                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
6055                         }
6056                 }
6057
6058         }
6059
6060         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
6061                 $update_pcat = true) {
6062
6063                 if (!is_numeric($feed_id)) return;
6064
6065                 if (!$is_cat && $feed_id > 0) {
6066                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
6067                                 WHERE id = '$feed_id'");
6068                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
6069                 }
6070
6071                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
6072
6073                 /* When updating a label, all we need to do is recalculate feed counters
6074                  * because labels are not cached */
6075
6076                 if ($feed_id < 0) {
6077                         ccache_update_all($link, $owner_uid);
6078                         return;
6079                 }
6080
6081                 if (!$is_cat) {
6082                         $table = "ttrss_counters_cache";
6083                 } else {
6084                         $table = "ttrss_cat_counters_cache";
6085                 }
6086
6087                 if ($is_cat && $feed_id >= 0) {
6088                         if ($feed_id != 0) {
6089                                 $cat_qpart = "cat_id = '$feed_id'";
6090                         } else {
6091                                 $cat_qpart = "cat_id IS NULL";
6092                         }
6093
6094                         /* Recalculate counters for child feeds */
6095
6096                         $result = db_query($link, "SELECT id FROM ttrss_feeds
6097                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
6098
6099                         while ($line = db_fetch_assoc($result)) {
6100                                 ccache_update($link, $line["id"], $owner_uid, false, false);
6101                         }
6102
6103                         $result = db_query($link, "SELECT SUM(value) AS sv
6104                                 FROM ttrss_counters_cache, ttrss_feeds
6105                                 WHERE id = feed_id AND $cat_qpart AND
6106                                 ttrss_feeds.owner_uid = '$owner_uid'");
6107
6108                         $unread = (int) db_fetch_result($result, 0, "sv");
6109
6110                 } else {
6111                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
6112                 }
6113
6114                 db_query($link, "BEGIN");
6115
6116                 $result = db_query($link, "SELECT feed_id FROM $table
6117                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
6118
6119                 if (db_num_rows($result) == 1) {
6120                         db_query($link, "UPDATE $table SET
6121                                 value = '$unread', updated = NOW() WHERE
6122                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6123
6124                 } else {
6125                         db_query($link, "INSERT INTO $table
6126                                 (feed_id, value, owner_uid, updated)
6127                                 VALUES
6128                                 ($feed_id, $unread, $owner_uid, NOW())");
6129                 }
6130
6131                 db_query($link, "COMMIT");
6132
6133                 if ($feed_id > 0 && $prev_unread != $unread) {
6134
6135                         if (!$is_cat) {
6136
6137                                 /* Update parent category */
6138
6139                                 if ($update_pcat) {
6140
6141                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
6142                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
6143
6144                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
6145
6146                                         ccache_update($link, $cat_id, $owner_uid, true);
6147
6148                                 }
6149                         }
6150                 } else if ($feed_id < 0) {
6151                         ccache_update_all($link, $owner_uid);
6152                 }
6153
6154                 return $unread;
6155         }
6156
6157         function label_find_id($link, $label, $owner_uid) {
6158                 $result = db_query($link,
6159                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
6160                                 AND owner_uid = '$owner_uid' LIMIT 1");
6161
6162                 if (db_num_rows($result) == 1) {
6163                         return db_fetch_result($result, 0, "id");
6164                 } else {
6165                         return 0;
6166                 }
6167         }
6168
6169         function get_article_labels($link, $id) {
6170                 global $memcache;
6171
6172                 $obj_id = md5("LABELS:$id:" . $_SESSION["uid"]);
6173
6174                 $rv = array();
6175
6176                 if ($memcache && $obj = $memcache->get($obj_id)) {
6177                         return $obj;
6178                 } else {
6179
6180                         $result = db_query($link, "SELECT label_cache FROM
6181                                 ttrss_user_entries WHERE ref_id = '$id' AND owner_uid = " .
6182                                 $_SESSION["uid"]);
6183
6184                         $label_cache = db_fetch_result($result, 0, "label_cache");
6185
6186                         if ($label_cache) {
6187
6188                                 $label_cache = json_decode($label_cache, true);
6189
6190                                 if ($label_cache["no-labels"] == 1)
6191                                         return $rv;
6192                                 else
6193                                         return $label_cache;
6194                         }
6195
6196                         $result = db_query($link,
6197                                 "SELECT DISTINCT label_id,caption,fg_color,bg_color
6198                                         FROM ttrss_labels2, ttrss_user_labels2
6199                                 WHERE id = label_id
6200                                         AND article_id = '$id'
6201                                         AND owner_uid = ".$_SESSION["uid"] . "
6202                                 ORDER BY caption");
6203
6204                         while ($line = db_fetch_assoc($result)) {
6205                                 $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
6206                                         $line["bg_color"]);
6207                                 array_push($rv, $rk);
6208                         }
6209                         if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6210
6211                         if (count($rv) > 0)
6212                                 label_update_cache($link, $id, $rv);
6213                         else
6214                                 label_update_cache($link, $id, array("no-labels" => 1));
6215                 }
6216
6217                 return $rv;
6218         }
6219
6220
6221         function label_find_caption($link, $label, $owner_uid) {
6222                 $result = db_query($link,
6223                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
6224                                 AND owner_uid = '$owner_uid' LIMIT 1");
6225
6226                 if (db_num_rows($result) == 1) {
6227                         return db_fetch_result($result, 0, "caption");
6228                 } else {
6229                         return "";
6230                 }
6231         }
6232
6233         function label_update_cache($link, $id, $labels = false, $force = false) {
6234
6235                 if ($force)
6236                         label_clear_cache($link, $id);
6237
6238                 if (!$labels)
6239                         $labels = get_article_labels($link, $id);
6240
6241                 $labels = db_escape_string(json_encode($labels));
6242
6243                 db_query($link, "UPDATE ttrss_user_entries SET
6244                         label_cache = '$labels' WHERE ref_id = '$id'");
6245
6246         }
6247
6248         function label_clear_cache($link, $id) {
6249
6250                 db_query($link, "UPDATE ttrss_user_entries SET
6251                         label_cache = '' WHERE ref_id = '$id'");
6252
6253         }
6254
6255         function label_remove_article($link, $id, $label, $owner_uid) {
6256
6257                 $label_id = label_find_id($link, $label, $owner_uid);
6258
6259                 if (!$label_id) return;
6260
6261                 $result = db_query($link,
6262                         "DELETE FROM ttrss_user_labels2
6263                         WHERE
6264                                 label_id = '$label_id' AND
6265                                 article_id = '$id'");
6266
6267                 label_clear_cache($link, $id);
6268         }
6269
6270         function label_add_article($link, $id, $label, $owner_uid) {
6271
6272                 global $memcache;
6273
6274                 if ($memcache) {
6275                         $obj_id = md5("LABELS:$id:$owner_uid");
6276                         $memcache->delete($obj_id);
6277                 }
6278
6279                 $label_id = label_find_id($link, $label, $owner_uid);
6280
6281                 if (!$label_id) return;
6282
6283                 $result = db_query($link,
6284                         "SELECT
6285                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6286                         WHERE
6287                                 label_id = id AND
6288                                 label_id = '$label_id' AND
6289                                 article_id = '$id' AND owner_uid = '$owner_uid'
6290                         LIMIT 1");
6291
6292                 if (db_num_rows($result) == 0) {
6293                         db_query($link, "INSERT INTO ttrss_user_labels2
6294                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6295                 }
6296
6297                 label_clear_cache($link, $id);
6298
6299         }
6300
6301         function label_remove($link, $id, $owner_uid) {
6302                 global $memcache;
6303
6304                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6305
6306                 if ($memcache) {
6307                         $obj_id = md5("LABELS:$id:$owner_uid");
6308                         $memcache->delete($obj_id);
6309                 }
6310
6311                 db_query($link, "BEGIN");
6312
6313                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6314                         WHERE id = '$id'");
6315
6316                 $caption = db_fetch_result($result, 0, "caption");
6317
6318                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6319                         AND owner_uid = " . $owner_uid);
6320
6321                 if (db_affected_rows($link, $result) != 0 && $caption) {
6322
6323                         /* Remove access key for the label */
6324
6325                         $ext_id = -11 - $id;
6326
6327                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6328                                 feed_id = '$ext_id' AND owner_uid = $owner_uid");
6329
6330                         /* Disable filters that reference label being removed */
6331
6332                         db_query($link, "UPDATE ttrss_filters SET
6333                                 enabled = false WHERE action_param = '$caption'
6334                                         AND action_id = 7
6335                                         AND owner_uid = " . $owner_uid);
6336
6337                         /* Remove cached data */
6338
6339                         db_query($link, "UPDATE ttrss_user_entries SET label_cache = ''
6340                                 WHERE label_cache LIKE '%$caption%' AND owner_uid = " . $owner_uid);
6341
6342                 }
6343
6344                 db_query($link, "COMMIT");
6345         }
6346
6347         function label_create($link, $caption) {
6348
6349                 db_query($link, "BEGIN");
6350
6351                 $result = false;
6352
6353                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6354                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6355
6356                 if (db_num_rows($result) == 0) {
6357                         $result = db_query($link,
6358                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
6359                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6360
6361                         $result = db_affected_rows($link, $result) != 0;
6362                 }
6363
6364                 db_query($link, "COMMIT");
6365
6366                 return $result;
6367         }
6368
6369         function print_labels_headlines_dropdown($link, $feed_id) {
6370                 print "<li onclick=\"javascript:addLabel()\">
6371                         &nbsp;&nbsp;".__("Create label...")."</li>";
6372
6373                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6374                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6375
6376                 while ($line = db_fetch_assoc($result)) {
6377
6378                         $label_id = $line["id"];
6379                         $label_caption = $line["caption"];
6380                         $id = $line["id"];
6381
6382                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6383                                 print "<li id=\"LHDL-$id\"
6384                                         onclick=\"javascript:selectionRemoveLabel($label_id)\">
6385                                         &nbsp;&nbsp;$label_caption ".__('(remove)')."</li>";
6386                         } else {
6387                                 print "<li id=\"LHDL-$id\"
6388                                         onclick=\"javascript:selectionAssignLabel($label_id)\">
6389                                         &nbsp;&nbsp;$label_caption</li>";
6390                         }
6391                 }
6392         }
6393
6394         function format_tags_string($tags, $id) {
6395
6396                 $tags_str = "";
6397                 $tags_nolinks_str = "";
6398
6399                 $num_tags = 0;
6400
6401 /*              if (get_user_theme($link) == "3pane") {
6402                         $tag_limit = 3;
6403                 } else {
6404                         $tag_limit = 6;
6405                 } */
6406
6407                 $tag_limit = 6;
6408
6409                 $formatted_tags = array();
6410
6411                 foreach ($tags as $tag) {
6412                         $num_tags++;
6413                         $tag_escaped = str_replace("'", "\\'", $tag);
6414
6415                         if (mb_strlen($tag) > 30) {
6416                                 $tag = truncate_string($tag, 30);
6417                         }
6418
6419                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6420
6421                         array_push($formatted_tags, $tag_str);
6422
6423                         $tmp_tags_str = implode(", ", $formatted_tags);
6424
6425                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6426                                 break;
6427                         }
6428                 }
6429
6430                 $tags_str = implode(", ", $formatted_tags);
6431
6432                 if ($num_tags < count($tags)) {
6433                         $tags_str .= ", &hellip;";
6434                 }
6435
6436                 if ($num_tags == 0) {
6437                         $tags_str = __("no tags");
6438                 }
6439
6440                 return $tags_str;
6441
6442         }
6443
6444         function format_article_labels($labels, $id) {
6445
6446                 $labels_str = "";
6447
6448                 foreach ($labels as $l) {
6449                         $labels_str .= sprintf("<span class='hlLabelRef'
6450                                 style='color : %s; background-color : %s'>%s</span>",
6451                                         $l[2], $l[3], $l[1]);
6452                         }
6453
6454                 return $labels_str;
6455
6456         }
6457
6458         function format_article_note($id, $note) {
6459
6460                 $note_escaped = htmlspecialchars($note, ENT_QUOTES);
6461
6462                 $str = "<div class='articleNote'>";
6463                 $str .= $note;
6464                 $str .= "<div class='articleNoteOps'>";
6465                 $str .= "<a href=\"javascript:publishWithNote($id, '$note_escaped')\">".
6466                         __('edit note')."</a>";
6467                 $str .= "</div>";
6468                 $str .= "</div>";
6469
6470                 return $str;
6471         }
6472
6473         function toggle_collapse_cat($link, $cat_id) {
6474                 if ($cat_id > 0) {
6475                         db_query($link, "UPDATE ttrss_feed_categories SET
6476                                 collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " .
6477                                 $_SESSION["uid"]);
6478                 } else {
6479                         $pref_name = '';
6480
6481                         switch ($cat_id) {
6482                         case -1:
6483                                 $pref_name = '_COLLAPSED_SPECIAL';
6484                                 break;
6485                         case -2:
6486                                 $pref_name = '_COLLAPSED_LABELS';
6487                                 break;
6488                         case 0:
6489                                 $pref_name = '_COLLAPSED_UNCAT';
6490                                 break;
6491                         }
6492
6493                         if ($pref_name) {
6494                                 if (get_pref($link, $pref_name)) {
6495                                         set_pref($link, $pref_name, 'false');
6496                                 } else {
6497                                         set_pref($link, $pref_name, 'true');
6498                                 }
6499                         }
6500                 }
6501         }
6502
6503         function remove_feed($link, $id, $owner_uid) {
6504
6505                 if ($id > 0) {
6506
6507                         /* save starred articles in Archived feed */
6508
6509                         db_query($link, "BEGIN");
6510
6511                         /* prepare feed if necessary */
6512
6513                         $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6514                                 WHERE id = '$id'");
6515
6516                         if (db_num_rows($result) == 0) {
6517                                 db_query($link, "INSERT INTO ttrss_archived_feeds
6518                                         (id, owner_uid, title, feed_url, site_url)
6519                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6520                                 WHERE id = '$id'");
6521                         }
6522
6523                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
6524                                 orig_feed_id = '$id' WHERE feed_id = '$id' AND
6525                                         marked = true AND owner_uid = $owner_uid");
6526
6527                         /* Remove access key for the feed */
6528
6529                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6530                                 feed_id = '$id' AND owner_uid = $owner_uid");
6531
6532                         /* remove the feed */
6533
6534                         db_query($link, "DELETE FROM ttrss_feeds
6535                                         WHERE id = '$id' AND owner_uid = $owner_uid");
6536
6537                         db_query($link, "COMMIT");
6538
6539 /*                      if (file_exists(ICONS_DIR . "/$id.ico")) {
6540                                 unlink(ICONS_DIR . "/$id.ico");
6541                         } */
6542
6543                         ccache_remove($link, $id, $owner_uid);
6544
6545                 } else {
6546                         label_remove($link, -11-$id, $owner_uid);
6547                         ccache_remove($link, -11-$id, $owner_uid);
6548                 }
6549         }
6550
6551         function add_feed_category($link, $feed_cat) {
6552
6553                 if (!$feed_cat) return false;
6554
6555                 db_query($link, "BEGIN");
6556
6557                 $result = db_query($link,
6558                         "SELECT id FROM ttrss_feed_categories
6559                         WHERE title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
6560
6561                 if (db_num_rows($result) == 0) {
6562
6563                         $result = db_query($link,
6564                                 "INSERT INTO ttrss_feed_categories (owner_uid,title)
6565                                 VALUES ('".$_SESSION["uid"]."', '$feed_cat')");
6566
6567                         db_query($link, "COMMIT");
6568
6569                         return true;
6570                 }
6571
6572                 return false;
6573         }
6574
6575         function remove_feed_category($link, $id, $owner_uid) {
6576
6577                 db_query($link, "DELETE FROM ttrss_feed_categories
6578                         WHERE id = '$id' AND owner_uid = $owner_uid");
6579
6580                 ccache_remove($link, $id, $owner_uid, true);
6581         }
6582
6583         function archive_article($link, $id, $owner_uid) {
6584                 db_query($link, "BEGIN");
6585
6586                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6587                         WHERE ref_id = '$id' AND owner_uid = $owner_uid");
6588
6589                 if (db_num_rows($result) != 0) {
6590
6591                         /* prepare the archived table */
6592
6593                         $feed_id = (int) db_fetch_result($result, 0, "feed_id");
6594
6595                         if ($feed_id) {
6596                                 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6597                                         WHERE id = '$feed_id'");
6598
6599                                 if (db_num_rows($result) == 0) {
6600                                         db_query($link, "INSERT INTO ttrss_archived_feeds
6601                                                 (id, owner_uid, title, feed_url, site_url)
6602                                         SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6603                                         WHERE id = '$feed_id'");
6604                                 }
6605
6606                                 db_query($link, "UPDATE ttrss_user_entries
6607                                         SET orig_feed_id = feed_id, feed_id = NULL
6608                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6609                         }
6610                 }
6611
6612                 db_query($link, "COMMIT");
6613         }
6614
6615         function getArticleFeed($link, $id) {
6616                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6617                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6618
6619                 if (db_num_rows($result) != 0) {
6620                         return db_fetch_result($result, 0, "feed_id");
6621                 } else {
6622                         return 0;
6623                 }
6624         }
6625
6626         function make_url_from_parts($parts) {
6627                 $url = $parts['scheme'] . '://' . $parts['host'];
6628
6629                 if ($parts['path']) $url .= $parts['path'];
6630                 if ($parts['query']) $url .= '?' . $parts['query'];
6631
6632                 return $url;
6633         }
6634
6635         /**
6636          * Fixes incomplete URLs by prepending "http://".
6637          * Also replaces feed:// with http://, and
6638          * prepends a trailing slash if the url is a domain name only.
6639          *
6640          * @param string $url Possibly incomplete URL
6641          *
6642          * @return string Fixed URL.
6643          */
6644         function fix_url($url) {
6645                 if (strpos($url, '://') === false) {
6646                         $url = 'http://' . $url;
6647                 } else if (substr($url, 0, 5) == 'feed:') {
6648                         $url = 'http:' . substr($url, 5);
6649                 }
6650
6651                 //prepend slash if the URL has no slash in it
6652                 // "http://www.example" -> "http://www.example/"
6653                 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
6654                         $url .= '/';
6655                 }
6656                 return $url;
6657         }
6658
6659         function validate_feed_url($url) {
6660                 $parts = parse_url($url);
6661
6662                 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
6663
6664         }
6665
6666         function get_article_enclosures($link, $id) {
6667
6668                 global $memcache;
6669
6670                 $query = "SELECT * FROM ttrss_enclosures
6671                         WHERE post_id = '$id' AND content_url != ''";
6672
6673                 $obj_id = md5("ENCLOSURES:$id");
6674
6675                 $rv = array();
6676
6677                 if ($memcache && $obj = $memcache->get($obj_id)) {
6678                         $rv = $obj;
6679                 } else {
6680                         $result = db_query($link, $query);
6681
6682                         if (db_num_rows($result) > 0) {
6683                                 while ($line = db_fetch_assoc($result)) {
6684                                         array_push($rv, $line);
6685                                 }
6686                                 if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6687                         }
6688                 }
6689
6690                 return $rv;
6691         }
6692
6693         function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset) {
6694
6695                         $feeds = array();
6696
6697                         /* Labels */
6698
6699                         if ($cat_id == -4 || $cat_id == -2) {
6700                                 $counters = getLabelCounters($link, true);
6701
6702                                 foreach (array_values($counters) as $cv) {
6703
6704                                         $unread = $cv["counter"];
6705
6706                                         if ($unread || !$unread_only) {
6707
6708                                                 $row = array(
6709                                                                 "id" => $cv["id"],
6710                                                                 "title" => $cv["description"],
6711                                                                 "unread" => $cv["counter"],
6712                                                                 "cat_id" => -2,
6713                                                         );
6714
6715                                                 array_push($feeds, $row);
6716                                         }
6717                                 }
6718                         }
6719
6720                         /* Virtual feeds */
6721
6722                         if ($cat_id == -4 || $cat_id == -1) {
6723                                 foreach (array(-1, -2, -3, -4, 0) as $i) {
6724                                         $unread = getFeedUnread($link, $i);
6725
6726                                         if ($unread || !$unread_only) {
6727                                                 $title = getFeedTitle($link, $i);
6728
6729                                                 $row = array(
6730                                                                 "id" => $i,
6731                                                                 "title" => $title,
6732                                                                 "unread" => $unread,
6733                                                                 "cat_id" => -1,
6734                                                         );
6735                                                 array_push($feeds, $row);
6736                                         }
6737
6738                                 }
6739                         }
6740
6741                         /* Real feeds */
6742
6743                         if ($limit) {
6744                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
6745                         } else {
6746                                 $limit_qpart = "";
6747                         }
6748
6749                         if ($cat_id == -4 || $cat_id == -3) {
6750                                 $result = db_query($link, "SELECT
6751                                         id, feed_url, cat_id, title, ".
6752                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6753                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
6754                                                 " ORDER BY cat_id, title " . $limit_qpart);
6755                         } else {
6756
6757                                 if ($cat_id)
6758                                         $cat_qpart = "cat_id = '$cat_id'";
6759                                 else
6760                                         $cat_qpart = "cat_id IS NULL";
6761
6762                                 $result = db_query($link, "SELECT
6763                                         id, feed_url, cat_id, title, ".
6764                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6765                                                 FROM ttrss_feeds WHERE
6766                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
6767                                                 " ORDER BY cat_id, title " . $limit_qpart);
6768                         }
6769
6770                         while ($line = db_fetch_assoc($result)) {
6771
6772                                 $unread = getFeedUnread($link, $line["id"]);
6773
6774                                 $has_icon = feed_has_icon($line['id']);
6775
6776                                 if ($unread || !$unread_only) {
6777
6778                                         $row = array(
6779                                                         "feed_url" => $line["feed_url"],
6780                                                         "title" => $line["title"],
6781                                                         "id" => (int)$line["id"],
6782                                                         "unread" => (int)$unread,
6783                                                         "has_icon" => $has_icon,
6784                                                         "cat_id" => (int)$line["cat_id"],
6785                                                         "last_updated" => strtotime($line["last_updated"])
6786                                                 );
6787
6788                                         array_push($feeds, $row);
6789                                 }
6790                         }
6791
6792                 return $feeds;
6793         }
6794
6795         function api_get_headlines($link, $feed_id, $limit, $offset,
6796                                         $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order) {
6797
6798                         /* do not rely on params below */
6799
6800                         $search = db_escape_string($_REQUEST["search"]);
6801                         $search_mode = db_escape_string($_REQUEST["search_mode"]);
6802                         $match_on = db_escape_string($_REQUEST["match_on"]);
6803
6804                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
6805                                 $view_mode, $is_cat, $search, $search_mode, $match_on,
6806                                 $order, $offset);
6807
6808                         $result = $qfh_ret[0];
6809                         $feed_title = $qfh_ret[1];
6810
6811                         $headlines = array();
6812
6813                         while ($line = db_fetch_assoc($result)) {
6814                                 $is_updated = ($line["last_read"] == "" &&
6815                                         ($line["unread"] != "t" && $line["unread"] != "1"));
6816
6817                                 $headline_row = array(
6818                                                 "id" => (int)$line["id"],
6819                                                 "unread" => sql_bool_to_bool($line["unread"]),
6820                                                 "marked" => sql_bool_to_bool($line["marked"]),
6821                                                 "published" => sql_bool_to_bool($line["published"]),
6822                                                 "updated" => strtotime($line["updated"]),
6823                                                 "is_updated" => $is_updated,
6824                                                 "title" => $line["title"],
6825                                                 "link" => $line["link"],
6826                                                 "feed_id" => $line["feed_id"],
6827                                                 "tags" => get_article_tags($link, $line["id"]),
6828                                         );
6829
6830                                 if ($show_excerpt) {
6831                                         $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
6832                                         $headline_row["excerpt"] = $excerpt;
6833                                 }
6834
6835                                 if ($show_content) {
6836                                         $headline_row["content"] = $line["content_preview"];
6837                                 }
6838
6839                                 array_push($headlines, $headline_row);
6840                         }
6841
6842                         return $headlines;
6843         }
6844
6845         function generate_dashboard_feed($link) {
6846                 print "<headlines id=\"-5\" is_cat=\"\">";
6847
6848                 print '<![CDATA[<div id="headlinesContainer">';
6849
6850                 print "<div class='whiteBox'>".__('No feed selected.');
6851
6852                 print "<p class=\"small\"><span class=\"insensitive\">";
6853
6854                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
6855                         WHERE owner_uid = " . $_SESSION['uid']);
6856
6857                 $last_updated = db_fetch_result($result, 0, "last_updated");
6858                 $last_updated = make_local_datetime($link, $last_updated, false);
6859
6860                 printf(__("Feeds last updated at %s"), $last_updated);
6861
6862                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
6863                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
6864
6865                 $num_errors = db_fetch_result($result, 0, "num_errors");
6866
6867                 if ($num_errors > 0) {
6868                         print "<br/>";
6869                         print "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
6870                                 __('Some feeds have update errors (click for details)')."</a>";
6871                 }
6872                 print "</span></p>";
6873
6874                 print "</div>]]>";
6875                 print "</headlines>";
6876
6877                 print "<headlines-info><![CDATA[";
6878
6879                 $info = array("count" => 0,
6880                         "vgroup_last_feed" => '',
6881                         "unread" => 0,
6882                         "disable_cache" => true);
6883
6884                 print json_encode($info);
6885
6886                 print "]]></headlines-info>";
6887
6888         }
6889
6890         function save_email_address($link, $email) {
6891                 // FIXME: implement persistent storage of emails
6892
6893                 if (!$_SESSION['stored_emails'])
6894                         $_SESSION['stored_emails'] = array();
6895
6896                 if (!in_array($email, $_SESSION['stored_emails']))
6897                         array_push($_SESSION['stored_emails'], $email);
6898         }
6899
6900         function update_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6901                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6902
6903                 $sql_is_cat = bool_to_sql_bool($is_cat);
6904
6905                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
6906                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
6907                         AND owner_uid = " . $owner_uid);
6908
6909                 if (db_num_rows($result) == 1) {
6910                         $key = db_escape_string(sha1(uniqid(rand(), true)));
6911
6912                         db_query($link, "UPDATE ttrss_access_keys SET access_key = '$key'
6913                                 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
6914                                 AND owner_uid = " . $owner_uid);
6915
6916                         return $key;
6917
6918                 } else {
6919                         return get_feed_access_key($link, $feed_id, $is_cat, $owner_uid);
6920                 }
6921         }
6922
6923         function get_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6924
6925                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6926
6927                 $sql_is_cat = bool_to_sql_bool($is_cat);
6928
6929                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
6930                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
6931                         AND owner_uid = " . $owner_uid);
6932
6933                 if (db_num_rows($result) == 1) {
6934                         return db_fetch_result($result, 0, "access_key");
6935                 } else {
6936                         $key = db_escape_string(sha1(uniqid(rand(), true)));
6937
6938                         $result = db_query($link, "INSERT INTO ttrss_access_keys
6939                                 (access_key, feed_id, is_cat, owner_uid)
6940                                 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
6941
6942                         return $key;
6943                 }
6944                 return false;
6945         }
6946
6947         /**
6948          * Extracts RSS/Atom feed URLs from the given HTML URL.
6949          *
6950          * @param string $url HTML page URL
6951          *
6952          * @return array Array of feeds. Key is the full URL, value the title
6953          */
6954         function get_feeds_from_html($url)
6955         {
6956                 $url     = fix_url($url);
6957                 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
6958
6959                 libxml_use_internal_errors(true);
6960
6961                 $doc = new DOMDocument();
6962                 $doc->loadHTMLFile($url);
6963                 $xpath = new DOMXPath($doc);
6964                 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
6965                 $feedUrls = array();
6966                 foreach ($entries as $entry) {
6967                         if ($entry->hasAttribute('href')) {
6968                                 $title = $entry->getAttribute('title');
6969                                 if ($title == '') {
6970                                         $title = $entry->getAttribute('type');
6971                                 }
6972                                 $feedUrl = rewrite_relative_url(
6973                                         $baseUrl, $entry->getAttribute('href')
6974                                 );
6975                                 $feedUrls[$feedUrl] = $title;
6976                         }
6977                 }
6978                 return $feedUrls;
6979         }
6980
6981         /**
6982          * Checks if the content behind the given URL is a HTML file
6983          *
6984          * @param string $url URL to check
6985          *
6986          * @return boolean True if the URL contains HTML content
6987          */
6988         function url_is_html($url) {
6989                 $content = substr(fetch_file_contents($url, false), 0, 1000);
6990                 if (stripos($content, '<html>') === false
6991                         && stripos($content, '<html ') === false
6992                 ) {
6993                         return false;
6994                 }
6995
6996                 return true;
6997         }
6998
6999         function print_label_select($link, $name, $value, $style = "") {
7000
7001                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
7002                         WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
7003
7004                 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
7005                         "\" style=\"$style\" onchange=\"labelSelectOnChange(this)\" >";
7006
7007                 while ($line = db_fetch_assoc($result)) {
7008
7009                         $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
7010
7011                         print "<option $issel>" . htmlspecialchars($line["caption"]) . "</option>";
7012
7013                 }
7014
7015                 print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
7016
7017                 print "</select>";
7018
7019
7020         }
7021
7022         function print_article_enclosures($link, $id, $always_display_enclosures,
7023                                         $article_content) {
7024
7025                 $result = get_article_enclosures($link, $id);
7026
7027                 if (count($result) > 0) {
7028
7029                         $entries_html = array();
7030                         $entries = array();
7031
7032                         foreach ($result as $line) {
7033
7034                                 $url = $line["content_url"];
7035                                 $ctype = $line["content_type"];
7036
7037                                 if (!$ctype) $ctype = __("unknown type");
7038
7039                                 $filename = substr($url, strrpos($url, "/")+1);
7040
7041                                 $entry = format_inline_player($link, $url, $ctype);
7042
7043                                 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
7044                                         $filename . " (" . $ctype . ")" . "</a>";
7045
7046                                 array_push($entries_html, $entry);
7047
7048                                 $entry = array();
7049
7050                                 $entry["type"] = $ctype;
7051                                 $entry["filename"] = $filename;
7052                                 $entry["url"] = $url;
7053
7054                                 array_push($entries, $entry);
7055                         }
7056
7057                         print "<div class=\"postEnclosures\">";
7058
7059                         if (!get_pref($link, "STRIP_IMAGES")) {
7060                                 if ($always_display_enclosures ||
7061                                                         !preg_match("/<img/i", $article_content)) {
7062
7063                                         foreach ($entries as $entry) {
7064
7065                                                 if (preg_match("/image/", $entry["type"]) ||
7066                                                                 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
7067
7068                                                                 print "<p><img
7069                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
7070                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
7071                                                 }
7072                                         }
7073                                 }
7074                         }
7075
7076                         if (count($entries) == 1) {
7077                                 print __("Attachment:") . " ";
7078                         } else {
7079                                 print __("Attachments:") . " ";
7080                         }
7081
7082                         print join(", ", $entries_html);
7083
7084                         print "</div>";
7085                 }
7086         }
7087
7088         function getLastArticleId($link) {
7089                 $result = db_query($link, "SELECT MAX(ref_id) AS id FROM ttrss_user_entries
7090                         WHERE owner_uid = " . $_SESSION["uid"]);
7091
7092                 if (db_num_rows($result) == 1) {
7093                         return db_fetch_result($result, 0, "id");
7094                 } else {
7095                         return -1;
7096                 }
7097         }
7098
7099         function build_url($parts) {
7100                 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
7101         }
7102
7103         /**
7104          * Converts a (possibly) relative URL to a absolute one.
7105          *
7106          * @param string $url     Base URL (i.e. from where the document is)
7107          * @param string $rel_url Possibly relative URL in the document
7108          *
7109          * @return string Absolute URL
7110          */
7111         function rewrite_relative_url($url, $rel_url) {
7112                 if (strpos($rel_url, "://") !== false) {
7113                         return $rel_url;
7114                 } else if (strpos($rel_url, "/") === 0)
7115                 {
7116                         $parts = parse_url($url);
7117                         $parts['path'] = $rel_url;
7118
7119                         return build_url($parts);
7120
7121                 } else {
7122                         $parts = parse_url($url);
7123                         if (!isset($parts['path'])) {
7124                                 $parts['path'] = '/';
7125                         }
7126                         $dir = $parts['path'];
7127                         if (substr($dir, -1) !== '/') {
7128                                 $dir = dirname($parts['path']);
7129                                 $dir !== '/' && $dir .= '/';
7130                         }
7131                         $parts['path'] = $dir . $rel_url;
7132
7133                         return build_url($parts);
7134                 }
7135         }
7136
7137         function sphinx_search($query, $offset = 0, $limit = 30) {
7138                 $sphinxClient = new SphinxClient();
7139
7140                 $sphinxClient->SetServer('localhost', 9312);
7141                 $sphinxClient->SetConnectTimeout(1);
7142
7143                 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
7144                         'feed_title' => 20));
7145
7146                 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
7147                 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
7148                 $sphinxClient->SetLimits($offset, $limit, 1000);
7149                 $sphinxClient->SetArrayResult(false);
7150                 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
7151
7152                 $result = $sphinxClient->Query($query, SPHINX_INDEX);
7153
7154                 $ids = array();
7155
7156                 if (is_array($result['matches'])) {
7157                         foreach (array_keys($result['matches']) as $int_id) {
7158                                 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
7159                                 array_push($ids, $ref_id);
7160                         }
7161                 }
7162
7163                 return $ids;
7164         }
7165
7166 ?>