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         define('THEME_VERSION_REQUIRED', 1.1);
  19
  20         /**
  21          * Return available translations names.
  22          *
  23          * @access public
  24          * @return array A array of available translations.
  25          */
  26         function get_translations() {
  27                 $tr = array(
  28                                         "auto"  => "Detect automatically",
  29                                         "ca_CA" => "Català",
  30                                         "en_US" => "English",
  31                                         "es_ES" => "Español",
  32                                         "de_DE" => "Deutsch",
  33                                         "fr_FR" => "Français",
  34                                         "hu_HU" => "Magyar (Hungarian)",
  35                                         "it_IT" => "Italiano",
  36                                         "ja_JP" => "日本語 (Japanese)",
  37                                         "nb_NO" => "Norwegian bokmål",
  38                                         "ru_RU" => "Русский",
  39                                         "pt_BR" => "Portuguese/Brazil",
  40                                         "zh_CN" => "Simplified Chinese");
  41
  42                 return $tr;
  43         }
  44
  45         if (ENABLE_TRANSLATIONS == true) { // If translations are enabled.
  46                 require_once "lib/accept-to-gettext.php";
  47                 require_once "lib/gettext/gettext.inc";
  48
  49                 function startup_gettext() {
  50
  51                         # Get locale from Accept-Language header
  52                         $lang = al2gt(array_keys(get_translations()), "text/html");
  53
  54                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  55                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  56                         }
  57
  58                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  59                                 $lang = $_COOKIE["ttrss_lang"];
  60                         }
  61
  62                         /* In login action of mobile version */
  63                         if ($_POST["language"] && defined('MOBILE_VERSION')) {
  64                                 $lang = $_POST["language"];
  65                                 $_COOKIE["ttrss_lang"] = $lang;
  66                         }
  67
  68                         if ($lang) {
  69                                 if (defined('LC_MESSAGES')) {
  70                                         _setlocale(LC_MESSAGES, $lang);
  71                                 } else if (defined('LC_ALL')) {
  72                                         _setlocale(LC_ALL, $lang);
  73                                 } else {
  74                                         die("can't setlocale(): please set ENABLE_TRANSLATIONS to false in config.php");
  75                                 }
  76
  77                                 if (defined('MOBILE_VERSION')) {
  78                                         _bindtextdomain("messages", "../locale");
  79                                 } else {
  80                                         _bindtextdomain("messages", "locale");
  81                                 }
  82
  83                                 _textdomain("messages");
  84                                 _bind_textdomain_codeset("messages", "UTF-8");
  85                         }
  86                 }
  87
  88                 startup_gettext();
  89
  90         } else { // If translations are enabled.
  91                 function __($msg) {
  92                         return $msg;
  93                 }
  94                 function startup_gettext() {
  95                         // no-op
  96                         return true;
  97                 }
  98         } // If translations are enabled.
  99
 100         if (defined('MEMCACHE_SERVER')) {
 101                 $memcache = new Memcache;
 102                 $memcache->connect(MEMCACHE_SERVER, 11211);
 103         }
 104
 105         require_once 'db-prefs.php';
 106         require_once 'errors.php';
 107         require_once 'version.php';
 108
 109         require_once 'lib/phpmailer/class.phpmailer.php';
 110         require_once 'lib/sphinxapi.php';
 111         require_once 'lib/twitteroauth/twitteroauth.php';
 112
 113         //define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
 114         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
 115         define('MAGPIE_CACHE_AGE', 60*15); // 15 minutes
 116
 117         define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
 118         define('MAGPIE_USER_AGENT', SELF_USER_AGENT);
 119
 120         ini_set('user_agent', SELF_USER_AGENT);
 121
 122         require_once "lib/simplepie/simplepie.inc";
 123         require_once "lib/magpierss/rss_fetch.inc";
 124         require_once 'lib/magpierss/rss_utils.inc';
 125         require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
 126
 127         $config = HTMLPurifier_Config::createDefault();
 128
 129         $allowed = "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4,s";
 130
 131         $config->set('HTML', 'Allowed', $allowed);
 132         $purifier = new HTMLPurifier($config);
 133
 134         /**
 135          * Print a timestamped debug message.
 136          *
 137          * @param string $msg The debug message.
 138          * @return void
 139          */
 140         function _debug($msg) {
 141                 $ts = strftime("%H:%M:%S", time());
 142                 if (function_exists('posix_getpid')) {
 143                         $ts = "$ts/" . posix_getpid();
 144                 }
 145                 print "[$ts] $msg\n";
 146         } // function _debug
 147
 148         /**
 149          * Purge a feed old posts.
 150          *
 151          * @param mixed $link A database connection.
 152          * @param mixed $feed_id The id of the purged feed.
 153          * @param mixed $purge_interval Olderness of purged posts.
 154          * @param boolean $debug Set to True to enable the debug. False by default.
 155          * @access public
 156          * @return void
 157          */
 158         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 159
 160                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 161
 162                 $rows = -1;
 163
 164                 $result = db_query($link,
 165                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 166
 167                 $owner_uid = false;
 168
 169                 if (db_num_rows($result) == 1) {
 170                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 171                 }
 172
 173                 if ($purge_interval == -1 || !$purge_interval) {
 174                         if ($owner_uid) {
 175                                 ccache_update($link, $feed_id, $owner_uid);
 176                         }
 177                         return;
 178                 }
 179
 180                 if (!$owner_uid) return;
 181
 182                 if (FORCE_ARTICLE_PURGE == 0) {
 183                         $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 184                                 $owner_uid, false);
 185                 } else {
 186                         $purge_unread = true;
 187                         $purge_interval = FORCE_ARTICLE_PURGE;
 188                 }
 189
 190                 if (!$purge_unread) $query_limit = " unread = false AND ";
 191
 192                 if (DB_TYPE == "pgsql") {
 193 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 194                                 marked = false AND feed_id = '$feed_id' AND
 195                                 (SELECT date_updated FROM ttrss_entries WHERE
 196                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
 197
 198                         $pg_version = get_pgsql_version($link);
 199
 200                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 201
 202                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 203                                         ttrss_entries.id = ref_id AND
 204                                         marked = false AND
 205                                         feed_id = '$feed_id' AND
 206                                         $query_limit
 207                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 208
 209                         } else {
 210
 211                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 212                                         USING ttrss_entries
 213                                         WHERE ttrss_entries.id = ref_id AND
 214                                         marked = false AND
 215                                         feed_id = '$feed_id' AND
 216                                         $query_limit
 217                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 218                         }
 219
 220                         $rows = pg_affected_rows($result);
 221
 222                 } else {
 223
 224 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 225                                 marked = false AND feed_id = '$feed_id' AND
 226                                 (SELECT date_updated FROM ttrss_entries WHERE
 227                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 228
 229                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 230                                 USING ttrss_user_entries, ttrss_entries
 231                                 WHERE ttrss_entries.id = ref_id AND
 232                                 marked = false AND
 233                                 feed_id = '$feed_id' AND
 234                                 $query_limit
 235                                 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 236
 237                         $rows = mysql_affected_rows($link);
 238
 239                 }
 240
 241                 ccache_update($link, $feed_id, $owner_uid);
 242
 243                 if ($debug) {
 244                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 245                 }
 246         } // function purge_feed
 247
 248         /**
 249          * Purge old posts from old feeds. Not used anymore, purging is done after feed update.
 250          *
 251          * @param mixed $link A database connection
 252          * @param boolean $do_output Set to true to enable printed output, false by default.
 253          * @param integer $limit The maximal number of removed posts.
 254          * @access public
 255          * @return void
 256          */
 257         /* function global_purge_old_posts($link, $do_output = false, $limit = false) {
 258
 259                 $random_qpart = sql_random_function();
 260
 261                 if ($limit) {
 262                         $limit_qpart = "LIMIT $limit";
 263                 } else {
 264                         $limit_qpart = "";
 265                 }
 266
 267                 $result = db_query($link,
 268                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 269                                 ORDER BY $random_qpart $limit_qpart");
 270
 271                 while ($line = db_fetch_assoc($result)) {
 272
 273                         $feed_id = $line["id"];
 274                         $purge_interval = $line["purge_interval"];
 275                         $owner_uid = $line["owner_uid"];
 276
 277                         if ($purge_interval == 0) {
 278
 279                                 $tmp_result = db_query($link,
 280                                         "SELECT value FROM ttrss_user_prefs WHERE
 281                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 282
 283                                 if (db_num_rows($tmp_result) != 0) {
 284                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 285                                 }
 286                         }
 287
 288                         if ($do_output) {
 289 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 290                         }
 291
 292                         if ($purge_interval > 0 || FORCE_ARTICLE_PURGE) {
 293                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 294                         }
 295                 }
 296
 297                 purge_orphans($link, $do_output);
 298
 299         } // function global_purge_old_posts */
 300
 301         function feed_purge_interval($link, $feed_id) {
 302
 303                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 304                         WHERE id = '$feed_id'");
 305
 306                 if (db_num_rows($result) == 1) {
 307                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 308                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 309
 310                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 311                                 'PURGE_OLD_DAYS', $owner_uid);
 312
 313                         return $purge_interval;
 314
 315                 } else {
 316                         return -1;
 317                 }
 318         }
 319
 320         function purge_old_posts($link) {
 321
 322                 $user_id = $_SESSION["uid"];
 323
 324                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 325                         WHERE owner_uid = '$user_id'");
 326
 327                 while ($line = db_fetch_assoc($result)) {
 328
 329                         $feed_id = $line["id"];
 330                         $purge_interval = $line["purge_interval"];
 331
 332                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 333
 334                         if ($purge_interval > 0) {
 335                                 purge_feed($link, $feed_id, $purge_interval);
 336                         }
 337                 }
 338
 339                 purge_orphans($link);
 340         }
 341
 342         function purge_orphans($link, $do_output = false) {
 343
 344                 // purge orphaned posts in main content table
 345                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 346                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 347
 348                 if ($do_output) {
 349                         $rows = db_affected_rows($link, $result);
 350                         _debug("Purged $rows orphaned posts.");
 351                 }
 352         }
 353
 354         function get_feed_update_interval($link, $feed_id) {
 355                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 356                         ttrss_feeds WHERE id = '$feed_id'");
 357
 358                 if (db_num_rows($result) == 1) {
 359                         $update_interval = db_fetch_result($result, 0, "update_interval");
 360                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 361
 362                         if ($update_interval != 0) {
 363                                 return $update_interval;
 364                         } else {
 365                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 366                         }
 367
 368                 } else {
 369                         return -1;
 370                 }
 371         }
 372
 373         function fetch_file_contents($url, $type = false) {
 374                 if (USE_CURL) {
 375                         $ch = curl_init($url);
 376
 377                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 378                         curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 379                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
 380                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
 381                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 382                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 383
 384                         $contents = @curl_exec($ch);
 385                         if ($contents === false) {
 386                                 curl_close($ch);
 387                                 return false;
 388                         }
 389
 390                         $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 391                         curl_close($ch);
 392
 393                         if ($type && strpos($content_type, "$type") === false) {
 394                                 return false;
 395                         }
 396
 397                         return $contents;
 398                 } else {
 399                         return @file_get_contents($url);
 400                 }
 401
 402         }
 403
 404         /**
 405          * Try to determine the favicon URL for a feed.
 406          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 407          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 408          *
 409          * @param string $url A feed or page URL
 410          * @access public
 411          * @return mixed The favicon URL, or false if none was found.
 412          */
 413         function get_favicon_url($url) {
 414
 415                 $favicon_url = false;
 416
 417                 if ($html = @fetch_file_contents($url)) {
 418
 419                         libxml_use_internal_errors(true);
 420
 421                         $doc = new DOMDocument();
 422                         $doc->loadHTML($html);
 423                         $xpath = new DOMXPath($doc);
 424                         $entries = $xpath->query('/html/head/link[@rel="shortcut icon"]');
 425
 426                         if (count($entries) > 0) {
 427                                 foreach ($entries as $entry) {
 428                                         $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
 429                                         break;
 430                                 }
 431                         }
 432                 }
 433
 434                 if (!$favicon_url)
 435                         $favicon_url = rewrite_relative_url($url, "/favicon.ico");
 436
 437                 // Run a test to see if what we have attempted to get actually exists.
 438                 if(USE_CURL || url_validate($favicon_url)) {
 439                         return $favicon_url;
 440                 } else {
 441                         return false;
 442                 }
 443         } // function get_favicon_url
 444
 445         /**
 446          * Check if a link is a valid and working URL.
 447          *
 448          * @param mixed $link A URL to check
 449          * @access public
 450          * @return boolean True if the URL is valid, false otherwise.
 451          */
 452         function url_validate($link) {
 453
 454                 $url_parts = @parse_url($link);
 455
 456                 if ( empty( $url_parts["host"] ) )
 457                                 return false;
 458
 459                 if ( !empty( $url_parts["path"] ) ) {
 460                                 $documentpath = $url_parts["path"];
 461                 } else {
 462                                 $documentpath = "/";
 463                 }
 464
 465                 if ( !empty( $url_parts["query"] ) )
 466                                 $documentpath .= "?" . $url_parts["query"];
 467
 468                 $host = $url_parts["host"];
 469                 $port = $url_parts["port"];
 470
 471                 if ( empty($port) )
 472                                 $port = "80";
 473
 474                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 475
 476                 if ( !$socket )
 477                                 return false;
 478
 479                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 480
 481                 $http_response = fgets( $socket, 22 );
 482
 483                 $responses = "/(200 OK)|(30[123])/";
 484                 if ( preg_match($responses, $http_response) ) {
 485                                 fclose($socket);
 486                                 return true;
 487                 } else {
 488                                 return false;
 489                 }
 490
 491         } // function url_validate
 492
 493         function check_feed_favicon($site_url, $feed, $link) {
 494                 $favicon_url = get_favicon_url($site_url);
 495
 496 #               print "FAVICON [$site_url]: $favicon_url\n";
 497
 498                 $icon_file = ICONS_DIR . "/$feed.ico";
 499
 500                 if ($favicon_url && !file_exists($icon_file)) {
 501                         $contents = fetch_file_contents($favicon_url, "image");
 502
 503                         if ($contents) {
 504                                 $fp = fopen($icon_file, "w");
 505
 506                                 if ($fp) {
 507                                         fwrite($fp, $contents);
 508                                         fclose($fp);
 509                                         chmod($icon_file, 0644);
 510                                 }
 511                         }
 512                 }
 513         }
 514
 515         function update_rss_feed($link, $feed, $ignore_daemon = false) {
 516
 517                 global $memcache;
 518
 519                 /* Update all feeds with the same URL to utilize memcache */
 520
 521                 if ($memcache) {
 522                         $result = db_query($link, "SELECT f1.id
 523                                 FROM ttrss_feeds AS f1, ttrss_feeds AS f2
 524                                 WHERE   f2.feed_url = f1.feed_url AND f2.id = '$feed'");
 525
 526                         while ($line = db_fetch_assoc($result)) {
 527                                 update_rss_feed_real($link, $line["id"], $ignore_daemon);
 528                         }
 529                 } else {
 530                         update_rss_feed_real($link, $feed, $ignore_daemon);
 531                 }
 532         }
 533
 534         function update_rss_feed_real($link, $feed, $ignore_daemon = false) {
 535
 536                 global $memcache;
 537
 538                 if (!$_REQUEST["daemon"] && !$ignore_daemon) {
 539                         return false;
 540                 }
 541
 542                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 543                         _debug("update_rss_feed: start");
 544                 }
 545
 546                 if (!$ignore_daemon) {
 547
 548                         if (DB_TYPE == "pgsql") {
 549                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 550                                 } else {
 551                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 552                                 }
 553
 554                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 555                                 auth_pass,cache_images,update_method
 556                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 557
 558                 } else {
 559
 560                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 561                                 feed_url,auth_pass,cache_images,update_method,last_updated,
 562                                 owner_uid
 563                                 FROM ttrss_feeds WHERE id = '$feed'");
 564
 565                 }
 566
 567                 if (db_num_rows($result) == 0) {
 568                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 569                                 _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED");
 570                         }
 571                         return false;
 572                 }
 573
 574                 $update_method = db_fetch_result($result, 0, "update_method");
 575                 $last_updated = db_fetch_result($result, 0, "last_updated");
 576                 $owner_uid = db_fetch_result($result, 0, "owner_uid");
 577
 578                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 579                         WHERE id = '$feed'");
 580
 581                 $auth_login = db_fetch_result($result, 0, "auth_login");
 582                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 583
 584                 if ($update_method == 0)
 585                         $update_method = DEFAULT_UPDATE_METHOD + 1;
 586
 587                 // 1 - Magpie
 588                 // 2 - SimplePie
 589                 // 3 - Twitter OAuth
 590
 591                 if ($update_method == 2)
 592                         $use_simplepie = true;
 593                 else
 594                         $use_simplepie = false;
 595
 596                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 597                         _debug("update method: $update_method (feed setting: $update_method) (use simplepie: $use_simplepie)\n");
 598                 }
 599
 600                 if ($update_method == 1) {
 601                         $auth_login = urlencode($auth_login);
 602                         $auth_pass = urlencode($auth_pass);
 603                 }
 604
 605                 $update_interval = db_fetch_result($result, 0, "update_interval");
 606                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 607                 $fetch_url = db_fetch_result($result, 0, "feed_url");
 608
 609                 if ($update_interval < 0) { return; }
 610
 611                 $feed = db_escape_string($feed);
 612
 613                 if ($auth_login && $auth_pass && $updated != 3) {
 614                         $url_parts = array();
 615                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 616
 617                         if ($url_parts[1] && $url_parts[2]) {
 618                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 619                         }
 620
 621                 }
 622
 623                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 624                         _debug("update_rss_feed: fetching [$fetch_url]...");
 625                 }
 626
 627                 $obj_id = md5("FDATA:$use_simplepie:$fetch_url");
 628
 629                 if ($memcache && $obj = $memcache->get($obj_id)) {
 630
 631                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 632                                 _debug("update_rss_feed: data found in memcache.");
 633                         }
 634
 635                         $rss = $obj;
 636
 637                 } else {
 638
 639                         if ($update_method == 3) {
 640                                 $rss = fetch_twitter_rss($link, $fetch_url, $owner_uid);
 641                                         } else if ($update_method == 1) {
 642                                 $rss = @fetch_rss($fetch_url);
 643                         } else {
 644                                 if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 645                                         mkdir(SIMPLEPIE_CACHE_DIR);
 646                                 }
 647
 648                                 $rss = new SimplePie();
 649                                 $rss->set_useragent(SELF_USER_AGENT);
 650         #                       $rss->set_timeout(10);
 651                                 $rss->set_feed_url($fetch_url);
 652                                 $rss->set_output_encoding('UTF-8');
 653
 654                                 if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 655                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 656                                                 _debug("enabling image cache");
 657                                         }
 658
 659                                         $rss->set_image_handler(get_self_url_prefix() . '/image.php', 'i');
 660                                 }
 661
 662                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 663                                         _debug("feed update interval (sec): " .
 664                                                 get_feed_update_interval($link, $feed)*60);
 665                                 }
 666
 667                                 if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 668                                         $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 669                                         $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 670                                 }
 671
 672                                 $rss->init();
 673                         }
 674
 675                         if ($memcache && $rss) $memcache->add($obj_id, $rss, 0, 300);
 676                 }
 677
 678 //              print_r($rss);
 679
 680                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 681                         _debug("update_rss_feed: fetch done, parsing...");
 682                 }
 683
 684                 $feed = db_escape_string($feed);
 685
 686                 if ($update_method == 2) {
 687                         $fetch_ok = !$rss->error();
 688                 } else {
 689                         $fetch_ok = !!$rss;
 690                 }
 691
 692                 if ($fetch_ok) {
 693
 694                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 695                                 _debug("update_rss_feed: processing feed data...");
 696                         }
 697
 698 //                      db_query($link, "BEGIN");
 699
 700                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 701                                 FROM ttrss_feeds WHERE id = '$feed'");
 702
 703                         $registered_title = db_fetch_result($result, 0, "title");
 704                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 705                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 706
 707                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 708
 709                         if ($use_simplepie) {
 710                                 $site_url = $rss->get_link();
 711                         } else {
 712                                 $site_url = $rss->channel["link"];
 713                         }
 714
 715                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 716                                 _debug("update_rss_feed: checking favicon...");
 717                         }
 718
 719                         check_feed_favicon($site_url, $feed, $link);
 720
 721                         if (!$registered_title || $registered_title == "[Unknown]") {
 722
 723                                 if ($use_simplepie) {
 724                                         $feed_title = db_escape_string($rss->get_title());
 725                                 } else {
 726                                         $feed_title = db_escape_string($rss->channel["title"]);
 727                                 }
 728
 729                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 730                                         _debug("update_rss_feed: registering title: $feed_title");
 731                                 }
 732
 733                                 db_query($link, "UPDATE ttrss_feeds SET
 734                                         title = '$feed_title' WHERE id = '$feed'");
 735                         }
 736
 737                         // weird, weird Magpie
 738                         if (!$use_simplepie) {
 739                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 740                         }
 741
 742                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 743                                 db_query($link, "UPDATE ttrss_feeds SET
 744                                         site_url = '$site_url' WHERE id = '$feed'");
 745                         }
 746
 747 //                      print "I: " . $rss->channel["image"]["url"];
 748
 749                         if (!$use_simplepie) {
 750                                 $icon_url = db_escape_string($rss->image["url"]);
 751                         } else {
 752                                 $icon_url = db_escape_string($rss->get_image_url());
 753                         }
 754
 755                         $icon_url = substr($icon_url, 0, 250);
 756
 757                         if ($icon_url && $orig_icon_url != $icon_url) {
 758                                 if (USE_CURL || url_validate($icon_url)) {
 759                                         db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 760                                 }
 761                         }
 762
 763                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 764                                 _debug("update_rss_feed: loading filters...");
 765                         }
 766
 767                         $filters = load_filters($link, $feed, $owner_uid);
 768
 769                         if ($use_simplepie) {
 770                                 $iterator = $rss->get_items();
 771                         } else {
 772                                 $iterator = $rss->items;
 773                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 774                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 775                         }
 776
 777                         if (!is_array($iterator)) {
 778                                 /* db_query($link, "UPDATE ttrss_feeds
 779                                         SET last_error = 'Parse error: can\'t find any articles.'
 780                                         WHERE id = '$feed'"); */
 781
 782                                 // clear any errors and mark feed as updated if fetched okay
 783                                 // even if it's blank
 784
 785                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 786                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 787                                 }
 788
 789                                 db_query($link, "UPDATE ttrss_feeds
 790                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 791
 792                                 return; // no articles
 793                         }
 794
 795                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 796                                 _debug("update_rss_feed: processing articles...");
 797                         }
 798
 799                         foreach ($iterator as $item) {
 800
 801                                 if ($_REQUEST['xdebug'] == 2) {
 802                                         print_r($item);
 803                                 }
 804
 805                                 if ($use_simplepie) {
 806                                         $entry_guid = $item->get_id();
 807                                         if (!$entry_guid) $entry_guid = $item->get_link();
 808                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 809
 810                                 } else {
 811
 812                                         $entry_guid = $item["id"];
 813
 814                                         if (!$entry_guid) $entry_guid = $item["guid"];
 815                                         if (!$entry_guid) $entry_guid = $item["link"];
 816                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 817                                 }
 818
 819                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 820                                         _debug("update_rss_feed: guid $entry_guid");
 821                                 }
 822
 823                                 if (!$entry_guid) continue;
 824
 825                                 $entry_timestamp = "";
 826
 827                                 if ($use_simplepie) {
 828                                         $entry_timestamp = strtotime($item->get_date());
 829                                 } else {
 830                                         $rss_2_date = $item['pubdate'];
 831                                         $rss_1_date = $item['dc']['date'];
 832                                         $atom_date = $item['issued'];
 833                                         if (!$atom_date) $atom_date = $item['updated'];
 834
 835                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 836                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 837                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 838
 839                                 }
 840
 841                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 842                                         $entry_timestamp = time();
 843                                         $no_orig_date = 'true';
 844                                 } else {
 845                                         $no_orig_date = 'false';
 846                                 }
 847
 848                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 849
 850                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 851                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
 852                                 }
 853
 854                                 if ($use_simplepie) {
 855                                         $entry_title = $item->get_title();
 856                                 } else {
 857                                         $entry_title = trim(strip_tags($item["title"]));
 858                                 }
 859
 860                                 if ($use_simplepie) {
 861                                         $entry_link = $item->get_link();
 862                                 } else {
 863                                         // strange Magpie workaround
 864                                         $entry_link = $item["link_"];
 865                                         if (!$entry_link) $entry_link = $item["link"];
 866                                 }
 867
 868                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 869                                         _debug("update_rss_feed: title $entry_title");
 870                                 }
 871
 872                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 873
 874                                 $entry_link = strip_tags($entry_link);
 875
 876                                 if ($use_simplepie) {
 877                                         $entry_content = $item->get_content();
 878                                         if (!$entry_content) $entry_content = $item->get_description();
 879                                 } else {
 880                                         $entry_content = $item["content:escaped"];
 881
 882                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 883                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 884                                         if (!$entry_content) $entry_content = $item["content"];
 885
 886                                         // Magpie bugs are getting ridiculous
 887                                         if (trim($entry_content) == "Array") $entry_content = false;
 888
 889                                         if (!$entry_content) $entry_content = $item["atom_content"];
 890                                         if (!$entry_content) $entry_content = $item["summary"];
 891
 892                                         if (!$entry_content ||
 893                                                 strlen($entry_content) < strlen($item["description"])) {
 894                                                         $entry_content = $item["description"];
 895                                         };
 896
 897                                         // WTF
 898                                         if (is_array($entry_content)) {
 899                                                 $entry_content = $entry_content["encoded"];
 900                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 901                                         }
 902                                 }
 903
 904                                 if ($_REQUEST["xdebug"] == 2) {
 905                                         print "update_rss_feed: content: ";
 906                                         print_r(htmlspecialchars($entry_content));
 907                                 }
 908
 909                                 $entry_content_unescaped = $entry_content;
 910
 911                                 if ($use_simplepie) {
 912                                         $entry_comments = strip_tags($item->data["comments"]);
 913                                         if ($item->get_author()) {
 914                                                 $entry_author_item = $item->get_author();
 915                                                 $entry_author = $entry_author_item->get_name();
 916                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 917
 918                                                 $entry_author = db_escape_string($entry_author);
 919                                         }
 920                                 } else {
 921                                         $entry_comments = strip_tags($item["comments"]);
 922
 923                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 924
 925                                         if ($item['author']) {
 926
 927                                                 if (is_array($item['author'])) {
 928
 929                                                         if (!$entry_author) {
 930                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 931                                                         }
 932
 933                                                         if (!$entry_author) {
 934                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 935                                                         }
 936                                                 }
 937
 938                                                 if (!$entry_author) {
 939                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 940                                                 }
 941                                         }
 942                                 }
 943
 944                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 945
 946                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 947                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 948
 949                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 950                                         WHERE guid = '$entry_guid'");
 951
 952                                 $entry_content = db_escape_string($entry_content);
 953
 954                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 955
 956                                 $entry_title = db_escape_string($entry_title);
 957                                 $entry_link = db_escape_string($entry_link);
 958                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 959                                 $entry_author = mb_substr($entry_author, 0, 250);
 960
 961                                 if ($use_simplepie) {
 962                                         $num_comments = 0; #FIXME#
 963                                 } else {
 964                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 965                                 }
 966
 967                                 if (!$num_comments) $num_comments = 0;
 968
 969                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 970                                         _debug("update_rss_feed: looking for tags [1]...");
 971                                 }
 972
 973                                 // parse <category> entries into tags
 974
 975                                 $additional_tags = array();
 976
 977                                 if ($use_simplepie) {
 978
 979                                         $additional_tags_src = $item->get_categories();
 980
 981                                         if (is_array($additional_tags_src)) {
 982                                                 foreach ($additional_tags_src as $tobj) {
 983                                                         array_push($additional_tags, $tobj->get_term());
 984                                                 }
 985                                         }
 986
 987                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 988                                                 _debug("update_rss_feed: category tags:");
 989                                                 print_r($additional_tags);
 990                                         }
 991
 992                                 } else {
 993
 994                                         $t_ctr = $item['category#'];
 995
 996                                         if ($t_ctr == 0) {
 997                                                 $additional_tags = array();
 998                                         } else if ($t_ctr > 0) {
 999                                                 $additional_tags = array($item['category']);
1000
1001                                                 if ($item['category@term']) {
1002                                                         array_push($additional_tags, $item['category@term']);
1003                                                 }
1004
1005                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1006                                                         if ($item["category#$i"]) {
1007                                                                 array_push($additional_tags, $item["category#$i"]);
1008                                                         }
1009
1010                                                         if ($item["category#$i@term"]) {
1011                                                                 array_push($additional_tags, $item["category#$i@term"]);
1012                                                         }
1013                                                 }
1014                                         }
1015
1016                                         // parse <dc:subject> elements
1017
1018                                         $t_ctr = $item['dc']['subject#'];
1019
1020                                         if ($t_ctr > 0) {
1021                                                 array_push($additional_tags, $item['dc']['subject']);
1022
1023                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1024                                                         if ($item['dc']["subject#$i"]) {
1025                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
1026                                                         }
1027                                                 }
1028                                         }
1029                                 }
1030
1031                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1032                                         _debug("update_rss_feed: looking for tags [2]...");
1033                                 }
1034
1035                                 /* taaaags */
1036                                 // <a href="..." rel="tag">Xorg</a>, //
1037
1038                                 $entry_tags = null;
1039
1040                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?\>([^<]+)<\/a>/i",
1041                                         $entry_content_unescaped, $entry_tags);
1042
1043                                 $entry_tags = $entry_tags[1];
1044
1045                                 $entry_tags = array_merge($entry_tags, $additional_tags);
1046                                 $entry_tags = array_unique($entry_tags);
1047
1048                                 for ($i = 0; $i < count($entry_tags); $i++)
1049                                         $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
1050
1051                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1052                                         _debug("update_rss_feed: unfiltered tags found:");
1053                                         print_r($entry_tags);
1054                                 }
1055
1056                                 # sanitize content
1057
1058                                 $entry_content = sanitize_article_content($entry_content);
1059                                 $entry_title = sanitize_article_content($entry_title);
1060
1061                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1062                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1063                                 }
1064
1065                                 db_query($link, "BEGIN");
1066
1067                                 if (db_num_rows($result) == 0) {
1068
1069                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1070                                                 _debug("update_rss_feed: base guid not found");
1071                                         }
1072
1073                                         // base post entry does not exist, create it
1074
1075                                         $result = db_query($link,
1076                                                 "INSERT INTO ttrss_entries
1077                                                         (title,
1078                                                         guid,
1079                                                         link,
1080                                                         updated,
1081                                                         content,
1082                                                         content_hash,
1083                                                         no_orig_date,
1084                                                         date_updated,
1085                                                         date_entered,
1086                                                         comments,
1087                                                         num_comments,
1088                                                         author)
1089                                                 VALUES
1090                                                         ('$entry_title',
1091                                                         '$entry_guid',
1092                                                         '$entry_link',
1093                                                         '$entry_timestamp_fmt',
1094                                                         '$entry_content',
1095                                                         '$content_hash',
1096                                                         $no_orig_date,
1097                                                         NOW(),
1098                                                         NOW(),
1099                                                         '$entry_comments',
1100                                                         '$num_comments',
1101                                                         '$entry_author')");
1102                                 } else {
1103                                         // we keep encountering the entry in feeds, so we need to
1104                                         // update date_updated column so that we don't get horrible
1105                                         // dupes when the entry gets purged and reinserted again e.g.
1106                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1107
1108                                         $base_entry_id = db_fetch_result($result, 0, "id");
1109
1110                                         db_query($link, "UPDATE ttrss_entries SET date_updated = NOW()
1111                                                 WHERE id = '$base_entry_id'");
1112                                 }
1113
1114                                 // now it should exist, if not - bad luck then
1115
1116                                 $result = db_query($link, "SELECT
1117                                                 id,content_hash,no_orig_date,title,
1118                                                 ".SUBSTRING_FOR_DATE."(date_updated,1,19) as date_updated,
1119                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1120                                                 num_comments
1121                                         FROM
1122                                                 ttrss_entries
1123                                         WHERE guid = '$entry_guid'");
1124
1125                                 $entry_ref_id = 0;
1126                                 $entry_int_id = 0;
1127
1128                                 if (db_num_rows($result) == 1) {
1129
1130                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1131                                                 _debug("update_rss_feed: base guid found, checking for user record");
1132                                         }
1133
1134                                         // this will be used below in update handler
1135                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1136                                         $orig_title = db_fetch_result($result, 0, "title");
1137                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1138                                         $orig_date_updated = strtotime(db_fetch_result($result,
1139                                                 0, "date_updated"));
1140
1141                                         $ref_id = db_fetch_result($result, 0, "id");
1142                                         $entry_ref_id = $ref_id;
1143
1144                                         // check for user post link to main table
1145
1146                                         // do we allow duplicate posts with same GUID in different feeds?
1147                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1148                                                 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
1149                                         } else {
1150                                                 $dupcheck_qpart = "";
1151                                         }
1152
1153                                         /* Collect article tags here so we could filter by them: */
1154
1155                                         $article_filters = get_article_filters($filters, $entry_title,
1156                                                 $entry_content, $entry_link, $entry_timestamp, $entry_author,
1157                                                 $entry_tags);
1158
1159                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1160                                                 _debug("update_rss_feed: article filters: ");
1161                                                 if (count($article_filters) != 0) {
1162                                                         print_r($article_filters);
1163                                                 }
1164                                         }
1165
1166                                         if (find_article_filter($article_filters, "filter")) {
1167                                                 db_query($link, "COMMIT"); // close transaction in progress
1168                                                 continue;
1169                                         }
1170
1171                                         $score = calculate_article_score($article_filters);
1172
1173                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1174                                                 _debug("update_rss_feed: initial score: $score");
1175                                         }
1176
1177                                         $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1178                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1179                                                         $dupcheck_qpart";
1180
1181 //                                      if ($_REQUEST["xdebug"]) print "$query\n";
1182
1183                                         $result = db_query($link, $query);
1184
1185                                         // okay it doesn't exist - create user entry
1186                                         if (db_num_rows($result) == 0) {
1187
1188                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1189                                                         _debug("update_rss_feed: user record not found, creating...");
1190                                                 }
1191
1192                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1193                                                         $unread = 'true';
1194                                                         $last_read_qpart = 'NULL';
1195                                                 } else {
1196                                                         $unread = 'false';
1197                                                         $last_read_qpart = 'NOW()';
1198                                                 }
1199
1200                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1201                                                         $marked = 'true';
1202                                                 } else {
1203                                                         $marked = 'false';
1204                                                 }
1205
1206                                                 if (find_article_filter($article_filters, 'publish')) {
1207                                                         $published = 'true';
1208                                                 } else {
1209                                                         $published = 'false';
1210                                                 }
1211
1212                                                 $result = db_query($link,
1213                                                         "INSERT INTO ttrss_user_entries
1214                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1215                                                                         published, score, tag_cache, label_cache)
1216                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1217                                                                 $last_read_qpart, $marked, $published, '$score', '', '')");
1218
1219                                                 $result = db_query($link,
1220                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1221                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1222                                                                 feed_id = '$feed' LIMIT 1");
1223
1224                                                 if (db_num_rows($result) == 1) {
1225                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1226                                                 }
1227                                         } else {
1228                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1229                                                         _debug("update_rss_feed: user record FOUND");
1230                                                 }
1231
1232                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1233                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1234                                         }
1235
1236                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1237                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1238                                         }
1239
1240                                         $post_needs_update = false;
1241
1242                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1243                                                 ($content_hash != $orig_content_hash)) {
1244 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1245                                                 $post_needs_update = true;
1246                                         }
1247
1248                                         if (db_escape_string($orig_title) != $entry_title) {
1249                                                 $post_needs_update = true;
1250                                         }
1251
1252                                         if ($orig_num_comments != $num_comments) {
1253                                                 $post_needs_update = true;
1254                                         }
1255
1256 //                                      this doesn't seem to be very reliable
1257 //
1258 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1259 //                                              $post_needs_update = true;
1260 //                                      }
1261
1262                                         // if post needs update, update it and mark all user entries
1263                                         // linking to this post as updated
1264                                         if ($post_needs_update) {
1265
1266                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1267                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1268                                                 }
1269
1270 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1271
1272                                                 db_query($link, "UPDATE ttrss_entries
1273                                                         SET title = '$entry_title', content = '$entry_content',
1274                                                                 content_hash = '$content_hash',
1275                                                                 num_comments = '$num_comments'
1276                                                         WHERE id = '$ref_id'");
1277
1278                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1279                                                         db_query($link, "UPDATE ttrss_user_entries
1280                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1281                                                 } else {
1282                                                         db_query($link, "UPDATE ttrss_user_entries
1283                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1284                                                 }
1285
1286                                         }
1287                                 }
1288
1289                                 db_query($link, "COMMIT");
1290
1291                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1292                                         _debug("update_rss_feed: assigning labels...");
1293                                 }
1294
1295                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1296                                         $owner_uid);
1297
1298                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1299                                         _debug("update_rss_feed: looking for enclosures...");
1300                                 }
1301
1302                                 // enclosures
1303
1304                                 $enclosures = array();
1305
1306                                 if ($use_simplepie) {
1307                                         $encs = $item->get_enclosures();
1308
1309                                         if (is_array($encs)) {
1310                                                 foreach ($encs as $e) {
1311                                                         $e_item = array(
1312                                                                 $e->link, $e->type, $e->length);
1313
1314                                                         array_push($enclosures, $e_item);
1315                                                 }
1316                                         }
1317
1318                                 } else {
1319                                         // <enclosure>
1320
1321                                         $e_ctr = $item['enclosure#'];
1322
1323                                         if ($e_ctr > 0) {
1324                                                 $e_item = array($item['enclosure@url'],
1325                                                         $item['enclosure@type'],
1326                                                         $item['enclosure@length']);
1327
1328                                                 array_push($enclosures, $e_item);
1329
1330                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1331
1332                                                         if ($item["enclosure#$i@url"]) {
1333                                                                 $e_item = array($item["enclosure#$i@url"],
1334                                                                         $item["enclosure#$i@type"],
1335                                                                         $item["enclosure#$i@length"]);
1336                                                                 array_push($enclosures, $e_item);
1337                                                         }
1338                                                 }
1339                                         }
1340
1341                                         // <media:content>
1342                                         // can there be many of those? yes -fox
1343
1344                                         $m_ctr = $item['media']['content#'];
1345
1346                                         if ($m_ctr > 0) {
1347                                                 $e_item = array($item['media']['content@url'],
1348                                                         $item['media']['content@medium'],
1349                                                         $item['media']['content@length']);
1350
1351                                                 array_push($enclosures, $e_item);
1352
1353                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1354
1355                                                         if ($item["media"]["content#$i@url"]) {
1356                                                                 $e_item = array($item["media"]["content#$i@url"],
1357                                                                         $item["media"]["content#$i@medium"],
1358                                                                         $item["media"]["content#$i@length"]);
1359                                                                 array_push($enclosures, $e_item);
1360                                                         }
1361                                                 }
1362
1363                                         }
1364                                 }
1365
1366
1367                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1368                                         _debug("update_rss_feed: article enclosures:");
1369                                         print_r($enclosures);
1370                                 }
1371
1372                                 db_query($link, "BEGIN");
1373
1374                                 foreach ($enclosures as $enc) {
1375                                         $enc_url = db_escape_string($enc[0]);
1376                                         $enc_type = db_escape_string($enc[1]);
1377                                         $enc_dur = db_escape_string($enc[2]);
1378
1379                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1380                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1381
1382                                         if (db_num_rows($result) == 0) {
1383                                                 db_query($link, "INSERT INTO ttrss_enclosures
1384                                                         (content_url, content_type, title, duration, post_id) VALUES
1385                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1386                                         }
1387                                 }
1388
1389                                 db_query($link, "COMMIT");
1390
1391                                 // check for manual tags (we have to do it here since they're loaded from filters)
1392
1393                                 foreach ($article_filters as $f) {
1394                                         if ($f[0] == "tag") {
1395
1396                                                 $manual_tags = trim_array(split(",", $f[1]));
1397
1398                                                 foreach ($manual_tags as $tag) {
1399                                                         if (tag_is_valid($tag)) {
1400                                                                 array_push($entry_tags, $tag);
1401                                                         }
1402                                                 }
1403                                         }
1404                                 }
1405
1406                                 // Skip boring tags
1407
1408                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1409                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1410
1411                                 $filtered_tags = array();
1412                                 $tags_to_cache = array();
1413
1414                                 if ($entry_tags && is_array($entry_tags)) {
1415                                         foreach ($entry_tags as $tag) {
1416                                                 if (array_search($tag, $boring_tags) === false) {
1417                                                         array_push($filtered_tags, $tag);
1418                                                 }
1419                                         }
1420                                 }
1421
1422                                 $filtered_tags = array_unique($filtered_tags);
1423
1424                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1425                                         _debug("update_rss_feed: filtered article tags:");
1426                                         print_r($filtered_tags);
1427                                 }
1428
1429                                 // Save article tags in the database
1430
1431                                 if (count($filtered_tags) > 0) {
1432
1433                                         db_query($link, "BEGIN");
1434
1435                                         foreach ($filtered_tags as $tag) {
1436
1437                                                 $tag = sanitize_tag($tag);
1438                                                 $tag = db_escape_string($tag);
1439
1440                                                 if (!tag_is_valid($tag)) continue;
1441
1442                                                 $result = db_query($link, "SELECT id FROM ttrss_tags
1443                                                         WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1444                                                         owner_uid = '$owner_uid' LIMIT 1");
1445
1446                                                         if ($result && db_num_rows($result) == 0) {
1447
1448                                                                 db_query($link, "INSERT INTO ttrss_tags
1449                                                                         (owner_uid,tag_name,post_int_id)
1450                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1451                                                         }
1452
1453                                                 array_push($tags_to_cache, $tag);
1454                                         }
1455
1456                                         /* update the cache */
1457
1458                                         $tags_to_cache = array_unique($tags_to_cache);
1459
1460                                         $tags_str = db_escape_string(join(",", $tags_to_cache));
1461
1462                                         db_query($link, "UPDATE ttrss_user_entries
1463                                                 SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id'
1464                                                 AND owner_uid = $owner_uid");
1465
1466                                         db_query($link, "COMMIT");
1467                                 }
1468
1469                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1470                                         _debug("update_rss_feed: article processed");
1471                                 }
1472                         }
1473
1474                         if (!$last_updated) {
1475                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1476                                         _debug("update_rss_feed: new feed, catching it up...");
1477                                 }
1478                                 catchup_feed($link, $feed, false, $owner_uid);
1479                         }
1480
1481                         purge_feed($link, $feed, 0);
1482
1483                         db_query($link, "UPDATE ttrss_feeds
1484                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1485
1486 //                      db_query($link, "COMMIT");
1487
1488                 } else {
1489
1490                         if ($use_simplepie) {
1491                                 $error_msg = mb_substr($rss->error(), 0, 250);
1492                         } else {
1493                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1494                         }
1495
1496                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1497                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1498                         }
1499
1500                         $error_msg = db_escape_string($error_msg);
1501
1502                         db_query($link,
1503                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1504                                         last_updated = NOW() WHERE id = '$feed'");
1505                 }
1506
1507                 if ($use_simplepie) {
1508                         unset($rss);
1509                 }
1510
1511                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1512                         _debug("update_rss_feed: done");
1513                 }
1514
1515         }
1516
1517         function print_select($id, $default, $values, $attributes = "") {
1518                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1519                 foreach ($values as $v) {
1520                         if ($v == $default)
1521                                 $sel = "selected=\"1\"";
1522                          else
1523                                 $sel = "";
1524
1525                         print "<option value=\"$v\" $sel>$v</option>";
1526                 }
1527                 print "</select>";
1528         }
1529
1530         function print_select_hash($id, $default, $values, $attributes = "") {
1531                 print "<select name=\"$id\" id='$id' $attributes>";
1532                 foreach (array_keys($values) as $v) {
1533                         if ($v == $default)
1534                                 $sel = 'selected="selected"';
1535                          else
1536                                 $sel = "";
1537
1538                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1539                 }
1540
1541                 print "</select>";
1542         }
1543
1544         function get_article_filters($filters, $title, $content, $link, $timestamp, $author, $tags) {
1545                 $matches = array();
1546
1547                 if ($filters["title"]) {
1548                         foreach ($filters["title"] as $filter) {
1549                                 $reg_exp = $filter["reg_exp"];
1550                                 $inverse = $filter["inverse"];
1551                                 if ((!$inverse && @preg_match("/$reg_exp/i", $title)) ||
1552                                                 ($inverse && !@preg_match("/$reg_exp/i", $title))) {
1553
1554                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1555                                 }
1556                         }
1557                 }
1558
1559                 if ($filters["content"]) {
1560                         foreach ($filters["content"] as $filter) {
1561                                 $reg_exp = $filter["reg_exp"];
1562                                 $inverse = $filter["inverse"];
1563
1564                                 if ((!$inverse && @preg_match("/$reg_exp/i", $content)) ||
1565                                                 ($inverse && !@preg_match("/$reg_exp/i", $content))) {
1566
1567                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1568                                 }
1569                         }
1570                 }
1571
1572                 if ($filters["both"]) {
1573                         foreach ($filters["both"] as $filter) {
1574                                 $reg_exp = $filter["reg_exp"];
1575                                 $inverse = $filter["inverse"];
1576
1577                                 if ($inverse) {
1578                                         if (!@preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1579                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1580                                         }
1581                                 } else {
1582                                         if (@preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1583                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1584                                         }
1585                                 }
1586                         }
1587                 }
1588
1589                 if ($filters["link"]) {
1590                         $reg_exp = $filter["reg_exp"];
1591                         foreach ($filters["link"] as $filter) {
1592                                 $reg_exp = $filter["reg_exp"];
1593                                 $inverse = $filter["inverse"];
1594
1595                                 if ((!$inverse && @preg_match("/$reg_exp/i", $link)) ||
1596                                                 ($inverse && !@preg_match("/$reg_exp/i", $link))) {
1597
1598                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1599                                 }
1600                         }
1601                 }
1602
1603                 if ($filters["date"]) {
1604                         $reg_exp = $filter["reg_exp"];
1605                         foreach ($filters["date"] as $filter) {
1606                                 $date_modifier = $filter["filter_param"];
1607                                 $inverse = $filter["inverse"];
1608                                 $check_timestamp = strtotime($filter["reg_exp"]);
1609
1610                                 # no-op when timestamp doesn't parse to prevent misfires
1611
1612                                 if ($check_timestamp) {
1613                                         $match_ok = false;
1614
1615                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1616                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1617                                                         $match_ok = true;
1618                                         }
1619
1620                                         if ($inverse) $match_ok = !$match_ok;
1621
1622                                         if ($match_ok) {
1623                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1624                                         }
1625                                 }
1626                         }
1627                 }
1628
1629                 if ($filters["author"]) {
1630                         foreach ($filters["author"] as $filter) {
1631                                 $reg_exp = $filter["reg_exp"];
1632                                 $inverse = $filter["inverse"];
1633                                 if ((!$inverse && @preg_match("/$reg_exp/i", $author)) ||
1634                                                 ($inverse && !@preg_match("/$reg_exp/i", $author))) {
1635
1636                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1637                                 }
1638                         }
1639                 }
1640
1641                 if ($filters["tag"]) {
1642
1643                         $tag_string = join(",", $tags);
1644
1645                         foreach ($filters["tag"] as $filter) {
1646                                 $reg_exp = $filter["reg_exp"];
1647                                 $inverse = $filter["inverse"];
1648
1649                                 if ((!$inverse && @preg_match("/$reg_exp/i", $tag_string)) ||
1650                                                 ($inverse && !@preg_match("/$reg_exp/i", $tag_string))) {
1651
1652                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1653                                 }
1654                         }
1655                 }
1656
1657
1658                 return $matches;
1659         }
1660
1661         function find_article_filter($filters, $filter_name) {
1662                 foreach ($filters as $f) {
1663                         if ($f[0] == $filter_name) {
1664                                 return $f;
1665                         };
1666                 }
1667                 return false;
1668         }
1669
1670         function calculate_article_score($filters) {
1671                 $score = 0;
1672
1673                 foreach ($filters as $f) {
1674                         if ($f[0] == "score") {
1675                                 $score += $f[1];
1676                         };
1677                 }
1678                 return $score;
1679         }
1680
1681         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1682                 foreach ($filters as $f) {
1683                         if ($f[0] == "label") {
1684                                 label_add_article($link, $id, $f[1], $owner_uid);
1685                         };
1686                 }
1687         }
1688
1689         function getmicrotime() {
1690                 list($usec, $sec) = explode(" ",microtime());
1691                 return ((float)$usec + (float)$sec);
1692         }
1693
1694         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1695                 foreach ($values as $v) {
1696
1697                         if ($v == $default)
1698                                 $sel = "checked";
1699                          else
1700                                 $sel = "";
1701
1702                         if ($v == $true_is) {
1703                                 $sel .= " value=\"1\"";
1704                         } else {
1705                                 $sel .= " value=\"0\"";
1706                         }
1707
1708                         print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
1709                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1710
1711                 }
1712         }
1713
1714         function initialize_user_prefs($link, $uid, $profile = false) {
1715
1716                 $uid = db_escape_string($uid);
1717
1718                 if (!$profile) {
1719                         $profile = "NULL";
1720                         $profile_qpart = "AND profile IS NULL";
1721                 } else {
1722                         $profile_qpart = "AND profile = '$profile'";
1723                 }
1724
1725                 if (get_schema_version($link) < 63) $profile_qpart = "";
1726
1727                 db_query($link, "BEGIN");
1728
1729                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1730
1731                 $u_result = db_query($link, "SELECT pref_name
1732                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
1733
1734                 $active_prefs = array();
1735
1736                 while ($line = db_fetch_assoc($u_result)) {
1737                         array_push($active_prefs, $line["pref_name"]);
1738                 }
1739
1740                 while ($line = db_fetch_assoc($result)) {
1741                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1742 //                              print "adding " . $line["pref_name"] . "<br>";
1743
1744                                 if (get_schema_version($link) < 63) {
1745                                         db_query($link, "INSERT INTO ttrss_user_prefs
1746                                                 (owner_uid,pref_name,value) VALUES
1747                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1748
1749                                 } else {
1750                                         db_query($link, "INSERT INTO ttrss_user_prefs
1751                                                 (owner_uid,pref_name,value, profile) VALUES
1752                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
1753                                 }
1754
1755                         }
1756                 }
1757
1758                 db_query($link, "COMMIT");
1759
1760         }
1761
1762         function lookup_user_id($link, $user) {
1763
1764                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1765                         login = '$login'");
1766
1767                 if (db_num_rows($result) == 1) {
1768                         return db_fetch_result($result, 0, "id");
1769                 } else {
1770                         return false;
1771                 }
1772         }
1773
1774         function http_authenticate_user($link) {
1775
1776 //              error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1777
1778                 if (!$_SERVER["PHP_AUTH_USER"]) {
1779
1780                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1781                         header('HTTP/1.0 401 Unauthorized');
1782                         exit;
1783
1784                 } else {
1785                         $auth_result = authenticate_user($link,
1786                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1787
1788                         if (!$auth_result) {
1789                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1790                                 header('HTTP/1.0 401 Unauthorized');
1791                                 exit;
1792                         }
1793                 }
1794
1795                 return true;
1796         }
1797
1798         function authenticate_user($link, $login, $password, $force_auth = false) {
1799
1800                 if (!SINGLE_USER_MODE) {
1801
1802                         $pwd_hash1 = encrypt_password($password);
1803                         $pwd_hash2 = encrypt_password($password, $login);
1804                         $login = db_escape_string($login);
1805
1806                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1807                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1808
1809                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1810
1811                                 $query = "SELECT id,login,access_level,pwd_hash
1812                     FROM ttrss_users WHERE
1813                                         login = '$login'";
1814
1815                         } else {
1816                                 $query = "SELECT id,login,access_level,pwd_hash
1817                     FROM ttrss_users WHERE
1818                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1819                                                 pwd_hash = '$pwd_hash2')";
1820                         }
1821
1822                         $result = db_query($link, $query);
1823
1824                         if (db_num_rows($result) == 1) {
1825                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1826                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1827                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1828
1829                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1830                                         $_SESSION["uid"]);
1831
1832                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1833                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1834
1835                                 $_SESSION["last_version_check"] = time();
1836
1837                                 initialize_user_prefs($link, $_SESSION["uid"]);
1838
1839                                 return true;
1840                         }
1841
1842                         return false;
1843
1844                 } else {
1845
1846                         $_SESSION["uid"] = 1;
1847                         $_SESSION["name"] = "admin";
1848
1849                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1850
1851                         initialize_user_prefs($link, $_SESSION["uid"]);
1852
1853                         return true;
1854                 }
1855         }
1856
1857         function make_password($length = 8) {
1858
1859                 $password = "";
1860                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1861
1862         $i = 0;
1863
1864                 while ($i < $length) {
1865                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1866
1867                         if (!strstr($password, $char)) {
1868                                 $password .= $char;
1869                                 $i++;
1870                         }
1871                 }
1872                 return $password;
1873         }
1874
1875         // this is called after user is created to initialize default feeds, labels
1876         // or whatever else
1877
1878         // user preferences are checked on every login, not here
1879
1880         function initialize_user($link, $uid) {
1881
1882                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1883                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1884                         'http://tt-rss.org/releases.rss')");
1885
1886                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1887                         values ('$uid', 'Tiny Tiny RSS: Forum',
1888                                 'http://tt-rss.org/forum/rss.php')");
1889         }
1890
1891         function logout_user() {
1892                 session_destroy();
1893                 if (isset($_COOKIE[session_name()])) {
1894                    setcookie(session_name(), '', time()-42000, '/');
1895                 }
1896         }
1897
1898         function get_script_urlpath() {
1899                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1900         }
1901
1902         function validate_session($link) {
1903                 if (SINGLE_USER_MODE) return true;
1904
1905                 $check_ip = $_SESSION['ip_address'];
1906
1907                 switch (SESSION_CHECK_ADDRESS) {
1908                 case 0:
1909                         $check_ip = '';
1910                         break;
1911                 case 1:
1912                         $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1);
1913                         break;
1914                 case 2:
1915                         $check_ip = substr($check_ip, 0, strrpos($check_ip, '.'));
1916                         $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1);
1917                         break;
1918                 };
1919
1920                 if ($check_ip && strpos($_SERVER['REMOTE_ADDR'], $check_ip) !== 0) {
1921                         $_SESSION["login_error_msg"] =
1922                                 __("Session failed to validate (incorrect IP)");
1923                         return false;
1924                 }
1925
1926                 if ($_SESSION["ref_schema_version"] != get_schema_version($link, true))
1927                         return false;
1928
1929                 if ($_SESSION["uid"]) {
1930
1931                         $result = db_query($link,
1932                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1933
1934                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1935
1936                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1937                                 return false;
1938                         }
1939                 }
1940
1941 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1942
1943                         //print_r($_SESSION);
1944
1945                         if (time() > $_SESSION["cookie_lifetime"]) {
1946                                 return false;
1947                         }
1948                 } */
1949
1950                 return true;
1951         }
1952
1953         function login_sequence($link, $mobile = false) {
1954                 if (!SINGLE_USER_MODE) {
1955
1956                         $login_action = $_POST["login_action"];
1957
1958                         # try to authenticate user if called from login form
1959                         if ($login_action == "do_login") {
1960                                 $login = $_POST["login"];
1961                                 $password = $_POST["password"];
1962                                 $remember_me = $_POST["remember_me"];
1963
1964                                 if (authenticate_user($link, $login, $password)) {
1965                                         $_POST["password"] = "";
1966
1967                                         $_SESSION["language"] = $_POST["language"];
1968                                         $_SESSION["ref_schema_version"] = get_schema_version($link, true);
1969                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
1970
1971                                         if ($_POST["profile"]) {
1972
1973                                                 $profile = db_escape_string($_POST["profile"]);
1974
1975                                                 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
1976                                                         WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
1977
1978                                                 if (db_num_rows($result) != 0) {
1979                                                         $_SESSION["profile"] = $profile;
1980                                                         $_SESSION["prefs_cache"] = array();
1981                                                 }
1982                                         }
1983
1984                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1985                                         exit;
1986
1987                                         return;
1988                                 } else {
1989                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
1990                                 }
1991                         }
1992
1993                         if (!$_SESSION["uid"] || !validate_session($link)) {
1994                                 if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1995                                         && $_SERVER["REMOTE_USER"] && defined('AUTO_LOGIN') && AUTO_LOGIN) {
1996                                     authenticate_user($link,$_SERVER['REMOTE_USER'],null);
1997                                     $_SESSION["ref_schema_version"] = get_schema_version($link, true);
1998                                 } else {
1999                                     render_login_form($link, $mobile);
2000                                     //header("Location: login.php");
2001                                     exit;
2002                                 }
2003                         } else {
2004                                 /* bump login timestamp */
2005                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
2006                                         $_SESSION["uid"]);
2007
2008                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
2009                                         setcookie("ttrss_lang", $_SESSION["language"],
2010                                                 time() + SESSION_COOKIE_LIFETIME);
2011                                 }
2012                         }
2013
2014                 } else {
2015                         return authenticate_user($link, "admin", null);
2016                 }
2017         }
2018
2019         function truncate_string($str, $max_len, $suffix = '&hellip;') {
2020                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
2021                         return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
2022                 } else {
2023                         return $str;
2024                 }
2025         }
2026
2027         function theme_image($link, $filename) {
2028                 if ($link) {
2029                         $theme_path = get_user_theme_path($link);
2030
2031                         if ($theme_path && is_file($theme_path.$filename)) {
2032                                 return $theme_path.$filename;
2033                         } else {
2034                                 return $filename;
2035                         }
2036                 } else {
2037                         return $filename;
2038                 }
2039         }
2040
2041         function get_user_theme($link) {
2042
2043                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2044                         $theme_name = get_pref($link, "_THEME_ID");
2045                         if (is_dir("themes/$theme_name")) {
2046                                 return $theme_name;
2047                         } else {
2048                                 return '';
2049                         }
2050                 } else {
2051                         return '';
2052                 }
2053
2054         }
2055
2056         function get_user_theme_path($link) {
2057                 $theme_path = '';
2058
2059                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2060                         $theme_name = get_pref($link, "_THEME_ID");
2061
2062                         if ($theme_name && is_dir("themes/$theme_name")) {
2063                                 $theme_path = "themes/$theme_name/";
2064                         } else {
2065                                 $theme_name = '';
2066                         }
2067                 } else {
2068                         $theme_path = '';
2069                 }
2070
2071                 if ($theme_path) {
2072                         if (is_file("$theme_path/theme.ini")) {
2073                                 $ini = parse_ini_file("$theme_path/theme.ini", true);
2074                                 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED) {
2075                                         return $theme_path;
2076                                 }
2077                         }
2078                 }
2079                 return '';
2080         }
2081
2082         function get_user_theme_options($link) {
2083                 $t = get_user_theme_path($link);
2084
2085                 if ($t) {
2086                         if (is_file("$t/theme.ini")) {
2087                                 $ini = parse_ini_file("$t/theme.ini", true);
2088                                 if ($ini['theme']['version']) {
2089                                         return $ini['theme']['options'];
2090                                 }
2091                         }
2092                 }
2093                 return '';
2094         }
2095
2096         function print_theme_includes($link) {
2097
2098                 $t = get_user_theme_path($link);
2099                 $time = time();
2100
2101                 if ($t) {
2102                         print "<link rel=\"stylesheet\" type=\"text/css\"
2103                                 href=\"$t/theme.css?$time \">";
2104                         if (file_exists("$t/theme.js")) {
2105                                 print "<script type=\"text/javascript\" src=\"$t/theme.js?$time\">
2106                                         </script>";
2107                         }
2108                 }
2109         }
2110
2111         function get_all_themes() {
2112                 $themes = glob("themes/*");
2113
2114                 asort($themes);
2115
2116                 $rv = array();
2117
2118                 foreach ($themes as $t) {
2119                         if (is_file("$t/theme.ini")) {
2120                                 $ini = parse_ini_file("$t/theme.ini", true);
2121                                 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED &&
2122                                                         !$ini['theme']['disabled']) {
2123                                         $entry = array();
2124                                         $entry["path"] = $t;
2125                                         $entry["base"] = basename($t);
2126                                         $entry["name"] = $ini['theme']['name'];
2127                                         $entry["version"] = $ini['theme']['version'];
2128                                         $entry["author"] = $ini['theme']['author'];
2129                                         $entry["options"] = $ini['theme']['options'];
2130                                         array_push($rv, $entry);
2131                                 }
2132                         }
2133                 }
2134
2135                 return $rv;
2136         }
2137
2138         function make_local_datetime($link, $timestamp, $long, $owner_uid = false,
2139                                         $no_smart_dt = false) {
2140
2141                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2142                 if (!$timestamp) $timestamp = '1970-01-01 0:00';
2143
2144                 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $owner_uid);
2145
2146                 try {
2147                         $user_tz = new DateTimeZone($user_tz_string);
2148                 } catch (Exception $e) {
2149                         $user_tz = new DateTimeZone('UTC');
2150                 }
2151
2152                 # We store date in UTC internally
2153                 $dt = new DateTime($timestamp, new DateTimeZone('UTC'));
2154                 $user_timestamp = $dt->format('U') + $user_tz->getOffset($dt);
2155
2156                 if (!$no_smart_dt && get_pref($link, 'HEADLINES_SMART_DATE', $owner_uid)) {
2157                         return smart_date_time($link, $user_timestamp,
2158                                 $user_tz->getOffset($dt), $owner_uid);
2159                 } else {
2160                         if ($long)
2161                                 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2162                         else
2163                                 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2164
2165                         return date($format, $user_timestamp);
2166                 }
2167         }
2168
2169         function smart_date_time($link, $timestamp, $tz_offset = 0, $owner_uid = false) {
2170                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2171
2172                 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
2173                         return date("G:i", $timestamp);
2174                 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
2175                         $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2176                         return date($format, $timestamp);
2177                 } else {
2178                         $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2179                         return date($format, $timestamp);
2180                 }
2181         }
2182
2183         function smart_date($timestamp) {
2184                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2185                         return "Today";
2186                 } else if (date("Y", $timestamp) == date("Y")) {
2187                         return date("D m", $timestamp);
2188                 } else {
2189                         return date("Y/m/d", $timestamp);
2190                 }
2191         }
2192
2193         function sql_bool_to_string($s) {
2194                 if ($s == "t" || $s == "1") {
2195                         return "true";
2196                 } else {
2197                         return "false";
2198                 }
2199         }
2200
2201         function sql_bool_to_bool($s) {
2202                 if ($s == "t" || $s == "1") {
2203                         return true;
2204                 } else {
2205                         return false;
2206                 }
2207         }
2208
2209         function bool_to_sql_bool($s) {
2210                 if ($s) {
2211                         return "true";
2212                 } else {
2213                         return "false";
2214                 }
2215         }
2216
2217         function toggleEvenOdd($a) {
2218                 if ($a == "even")
2219                         return "odd";
2220                 else
2221                         return "even";
2222         }
2223
2224         function get_schema_version($link, $nocache = false) {
2225                 if (!$_SESSION["schema_version"] || $nocache) {
2226                         $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2227                         $version = db_fetch_result($result, 0, "schema_version");
2228                         $_SESSION["schema_version"] = $version;
2229                         return $version;
2230                 } else {
2231                         return $_SESSION["schema_version"];
2232                 }
2233         }
2234
2235         function sanity_check($link) {
2236
2237                 $error_code = 0;
2238                 $schema_version = get_schema_version($link);
2239
2240                 if ($schema_version != SCHEMA_VERSION) {
2241                         $error_code = 5;
2242                 }
2243
2244                 if (DB_TYPE == "mysql") {
2245                         $result = db_query($link, "SELECT true", false);
2246                         if (db_num_rows($result) != 1) {
2247                                 $error_code = 10;
2248                         }
2249                 }
2250
2251                 if (db_escape_string("testTEST") != "testTEST") {
2252                         $error_code = 12;
2253                 }
2254
2255                 if ($error_code != 0) {
2256                         print_error_xml($error_code);
2257                         return false;
2258                 } else {
2259                         return true;
2260                 }
2261         }
2262
2263         function file_is_locked($filename) {
2264                 if (function_exists('flock')) {
2265                         $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
2266                         if ($fp) {
2267                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2268                                         flock($fp, LOCK_UN);
2269                                         fclose($fp);
2270                                         return false;
2271                                 }
2272                                 fclose($fp);
2273                                 return true;
2274                         } else {
2275                                 return false;
2276                         }
2277                 }
2278                 return true; // consider the file always locked and skip the test
2279         }
2280
2281         function make_lockfile($filename) {
2282                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2283
2284                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2285                         if (function_exists('posix_getpid')) {
2286                                 fwrite($fp, posix_getpid() . "\n");
2287                         }
2288                         return $fp;
2289                 } else {
2290                         return false;
2291                 }
2292         }
2293
2294         function make_stampfile($filename) {
2295                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2296
2297                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2298                         fwrite($fp, time() . "\n");
2299                         flock($fp, LOCK_UN);
2300                         fclose($fp);
2301                         return true;
2302                 } else {
2303                         return false;
2304                 }
2305         }
2306
2307         function sql_random_function() {
2308                 if (DB_TYPE == "mysql") {
2309                         return "RAND()";
2310                 } else {
2311                         return "RANDOM()";
2312                 }
2313         }
2314
2315         function catchup_feed($link, $feed, $cat_view, $owner_uid = false) {
2316
2317                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2318
2319                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2320
2321                                 if ($cat_view) {
2322
2323                                         if ($feed >= 0) {
2324
2325                                                 if ($feed > 0) {
2326                                                         $cat_qpart = "cat_id = '$feed'";
2327                                                 } else {
2328                                                         $cat_qpart = "cat_id IS NULL";
2329                                                 }
2330
2331                                                 $tmp_result = db_query($link, "SELECT id
2332                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2333
2334                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2335
2336                                                         $tmp_feed = $tmp_line["id"];
2337
2338                                                         db_query($link, "UPDATE ttrss_user_entries
2339                                                                 SET unread = false,last_read = NOW()
2340                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2341                                                 }
2342                                         } else if ($feed == -2) {
2343
2344
2345                                                 db_query($link, "UPDATE ttrss_user_entries
2346                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
2347                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
2348                                                         AND unread = true AND owner_uid = $owner_uid");
2349                                         }
2350
2351                                 } else if ($feed > 0) {
2352
2353                                         db_query($link, "UPDATE ttrss_user_entries
2354                                                         SET unread = false,last_read = NOW()
2355                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2356
2357                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2358
2359                                         if ($feed == -1) {
2360                                                 db_query($link, "UPDATE ttrss_user_entries
2361                                                         SET unread = false,last_read = NOW()
2362                                                         WHERE marked = true AND owner_uid = $owner_uid");
2363                                         }
2364
2365                                         if ($feed == -2) {
2366                                                 db_query($link, "UPDATE ttrss_user_entries
2367                                                         SET unread = false,last_read = NOW()
2368                                                         WHERE published = true AND owner_uid = $owner_uid");
2369                                         }
2370
2371                                         if ($feed == -3) {
2372
2373                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2374
2375                                                 if (DB_TYPE == "pgsql") {
2376                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2377                                                 } else {
2378                                                         $match_part = "updated > DATE_SUB(NOW(),
2379                                                                 INTERVAL $intl HOUR) ";
2380                                                 }
2381
2382                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2383                                                         ttrss_user_entries WHERE $match_part AND
2384                                                         unread = true AND
2385                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2386                                                         owner_uid = $owner_uid");
2387
2388                                                 $affected_ids = array();
2389
2390                                                 while ($line = db_fetch_assoc($result)) {
2391                                                         array_push($affected_ids, $line["id"]);
2392                                                 }
2393
2394                                                 catchupArticlesById($link, $affected_ids, 0);
2395                                         }
2396
2397                                         if ($feed == -4) {
2398                                                 db_query($link, "UPDATE ttrss_user_entries
2399                                                         SET unread = false,last_read = NOW()
2400                                                         WHERE owner_uid = $owner_uid");
2401                                         }
2402
2403                                 } else if ($feed < -10) { // label
2404
2405                                         $label_id = -$feed - 11;
2406
2407                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2408                                                 SET unread = false, last_read = NOW()
2409                                                         WHERE label_id = '$label_id' AND unread = true
2410                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2411
2412                                 }
2413
2414                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2415
2416                         } else { // tag
2417                                 db_query($link, "BEGIN");
2418
2419                                 $tag_name = db_escape_string($feed);
2420
2421                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2422                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2423
2424                                 while ($line = db_fetch_assoc($result)) {
2425                                         db_query($link, "UPDATE ttrss_user_entries SET
2426                                                 unread = false, last_read = NOW()
2427                                                 WHERE int_id = " . $line["post_int_id"]);
2428                                 }
2429                                 db_query($link, "COMMIT");
2430                         }
2431         }
2432
2433         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2434
2435                 if (!$omode) $omode = "flc";
2436
2437                 $data = getGlobalCounters($link);
2438
2439                 $data = array_merge($data, getVirtCounters($link));
2440
2441                 if (strchr($omode, "l")) $data = array_merge($data, getLabelCounters($link));
2442                 if (strchr($omode, "f")) $data = array_merge($data, getFeedCounters($link, $active_feed));
2443                 if (strchr($omode, "t")) $data = array_merge($data, getTagCounters($link));
2444                 if (strchr($omode, "c")) {
2445                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2446                                 $data = array_merge($data, getCategoryCounters($link));
2447                         }
2448                 }
2449
2450                 return $data;
2451         }
2452
2453         function getCategoryCounters($link) {
2454                 $ret_arr = array();
2455
2456                 /* Labels category */
2457
2458                 $cv = array("id" => -2, "kind" => "cat",
2459                         "counter" => getCategoryUnread($link, -2));
2460
2461                 array_push($ret_arr, $cv);
2462
2463                 $age_qpart = getMaxAgeSubquery();
2464
2465                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2466                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2467                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2468                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2469
2470                 while ($line = db_fetch_assoc($result)) {
2471                         $line["cat_id"] = (int) $line["cat_id"];
2472
2473                         $cv = array("id" => $line["cat_id"], "kind" => "cat",
2474                                 "counter" => $line["unread"]);
2475
2476                         array_push($ret_arr, $cv);
2477                 }
2478
2479                 /* Special case: NULL category doesn't actually exist in the DB */
2480
2481                 $cv = array("id" => 0, "kind" => "cat",
2482                         "counter" => ccache_find($link, 0, $_SESSION["uid"], true));
2483
2484                 array_push($ret_arr, $cv);
2485
2486                 return $ret_arr;
2487         }
2488
2489         function getCategoryUnread($link, $cat, $owner_uid = false) {
2490
2491                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2492
2493                 if ($cat >= 0) {
2494
2495                         if ($cat != 0) {
2496                                 $cat_query = "cat_id = '$cat'";
2497                         } else {
2498                                 $cat_query = "cat_id IS NULL";
2499                         }
2500
2501                         $age_qpart = getMaxAgeSubquery();
2502
2503                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2504                                         AND owner_uid = " . $owner_uid);
2505
2506                         $cat_feeds = array();
2507                         while ($line = db_fetch_assoc($result)) {
2508                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2509                         }
2510
2511                         if (count($cat_feeds) == 0) return 0;
2512
2513                         $match_part = implode(" OR ", $cat_feeds);
2514
2515                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2516                                 FROM ttrss_user_entries,ttrss_entries
2517                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2518                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2519
2520                         $unread = 0;
2521
2522                         # this needs to be rewritten
2523                         while ($line = db_fetch_assoc($result)) {
2524                                 $unread += $line["unread"];
2525                         }
2526
2527                         return $unread;
2528                 } else if ($cat == -1) {
2529                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
2530                 } else if ($cat == -2) {
2531
2532                         $result = db_query($link, "
2533                                 SELECT COUNT(unread) AS unread FROM
2534                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2535                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2536                                         ttrss_labels2.owner_uid = '$owner_uid'
2537                                         AND unread = true AND feed_id = ttrss_feeds.id
2538                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2539
2540                         $unread = db_fetch_result($result, 0, "unread");
2541
2542                         return $unread;
2543
2544                 }
2545         }
2546
2547         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2548                 if (DB_TYPE == "pgsql") {
2549                         return "ttrss_entries.date_updated >
2550                                 NOW() - INTERVAL '$days days'";
2551                 } else {
2552                         return "ttrss_entries.date_updated >
2553                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2554                 }
2555         }
2556
2557         function getFeedUnread($link, $feed, $is_cat = false) {
2558                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2559         }
2560
2561         function getLabelUnread($link, $label_id, $owner_uid = false) {
2562                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
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 = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2569                                 AND unread = true AND feed_id = ttrss_feeds.id
2570                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2571
2572                 if (db_num_rows($result) != 0) {
2573                         return db_fetch_result($result, 0, "unread");
2574                 } else {
2575                         return 0;
2576                 }
2577         }
2578
2579         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2580                 $owner_uid = false) {
2581
2582                 $n_feed = (int) $feed;
2583
2584                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2585
2586                 if ($unread_only) {
2587                         $unread_qpart = "unread = true";
2588                 } else {
2589                         $unread_qpart = "true";
2590                 }
2591
2592                 $age_qpart = getMaxAgeSubquery();
2593
2594                 if ($is_cat) {
2595                         return getCategoryUnread($link, $n_feed, $owner_uid);
2596                 } if ($feed != "0" && $n_feed == 0) {
2597
2598                         $feed = db_escape_string($feed);
2599
2600                         $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
2601                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2602                                         AND ref_id = id AND $age_qpart
2603                                         AND $unread_qpart)) AS count FROM ttrss_tags
2604                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
2605                         return db_fetch_result($result, 0, "count");
2606
2607                 } else if ($n_feed == -1) {
2608                         $match_part = "marked = true";
2609                 } else if ($n_feed == -2) {
2610                         $match_part = "published = true";
2611                 } else if ($n_feed == -3) {
2612                         $match_part = "unread = true AND score >= 0";
2613
2614                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2615
2616                         if (DB_TYPE == "pgsql") {
2617                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2618                         } else {
2619                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2620                         }
2621                 } else if ($n_feed == -4) {
2622                         $match_part = "true";
2623                 } else if ($n_feed >= 0) {
2624
2625                         if ($n_feed != 0) {
2626                                 $match_part = "feed_id = '$n_feed'";
2627                         } else {
2628                                 $match_part = "feed_id IS NULL";
2629                         }
2630
2631                 } else if ($feed < -10) {
2632
2633                         $label_id = -$feed - 11;
2634
2635                         return getLabelUnread($link, $label_id, $owner_uid);
2636
2637                 }
2638
2639                 if ($match_part) {
2640
2641                         if ($n_feed != 0) {
2642                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
2643                                 $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2644                         } else {
2645                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
2646                                 $feeds_qpart = '';
2647                         }
2648
2649                         $query = "SELECT count(int_id) AS unread
2650                                 FROM $from_qpart WHERE
2651                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2652                                 $age_qpart AND
2653                                 $feeds_qpart
2654                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
2655
2656                         $result = db_query($link, $query);
2657
2658                 } else {
2659
2660                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2661                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2662                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2663                                 AND $unread_qpart AND $age_qpart AND
2664                                         ttrss_tags.owner_uid = " . $owner_uid);
2665                 }
2666
2667                 $unread = db_fetch_result($result, 0, "unread");
2668
2669                 return $unread;
2670         }
2671
2672         function getGlobalUnread($link, $user_id = false) {
2673
2674                 if (!$user_id) {
2675                         $user_id = $_SESSION["uid"];
2676                 }
2677
2678                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2679                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2680
2681                 $c_id = db_fetch_result($result, 0, "c_id");
2682
2683                 return $c_id;
2684         }
2685
2686         function getGlobalCounters($link, $global_unread = -1) {
2687                 $ret_arr = array();
2688
2689                 if ($global_unread == -1) {
2690                         $global_unread = getGlobalUnread($link);
2691                 }
2692
2693                 $cv = array("id" => "global-unread",
2694                         "counter" => $global_unread);
2695
2696                 array_push($ret_arr, $cv);
2697
2698                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2699                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2700
2701                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2702
2703                 $cv = array("id" => "subscribed-feeds",
2704                         "counter" => $subscribed_feeds);
2705
2706                 array_push($ret_arr, $cv);
2707
2708                 return $ret_arr;
2709         }
2710
2711         function getSubscribedFeeds($link) {
2712                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2713                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2714
2715                 return db_fetch_result($result, 0, "fn");
2716         }
2717
2718         function getTagCounters($link) {
2719
2720                 $ret_arr = array();
2721
2722                 $age_qpart = getMaxAgeSubquery();
2723
2724                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2725                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2726                                 AND ref_id = id AND $age_qpart
2727                                 AND unread = true)) AS count FROM ttrss_tags
2728                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2729                                 ORDER BY count DESC LIMIT 55");
2730
2731                 $tags = array();
2732
2733                 while ($line = db_fetch_assoc($result)) {
2734                         $tags[$line["tag_name"]] += $line["count"];
2735                 }
2736
2737                 foreach (array_keys($tags) as $tag) {
2738                         $unread = $tags[$tag];
2739                         $tag = htmlspecialchars($tag);
2740
2741                         $cv = array("id" => $tag,
2742                                 "kind" => "tag",
2743                                 "counter" => $unread);
2744
2745                         array_push($ret_arr, $cv);
2746                 }
2747
2748                 return $ret_arr;
2749         }
2750
2751         function getVirtCounters($link) {
2752
2753                 $ret_arr = array();
2754
2755                 for ($i = 0; $i >= -4; $i--) {
2756
2757                         $count = getFeedUnread($link, $i);
2758
2759                         $cv = array("id" => $i,
2760                                 "counter" => $count);
2761
2762 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2763 //                              $cv["xmsg"] = getFeedArticles($link, $i)." ".__("total");
2764
2765                         array_push($ret_arr, $cv);
2766                 }
2767
2768                 return $ret_arr;
2769         }
2770
2771         function getLabelCounters($link, $descriptions = false) {
2772
2773                 $ret_arr = array();
2774
2775                 $age_qpart = getMaxAgeSubquery();
2776
2777                 $owner_uid = $_SESSION["uid"];
2778
2779                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2780                         WHERE owner_uid = '$owner_uid'");
2781
2782                 while ($line = db_fetch_assoc($result)) {
2783
2784                         $id = -$line["id"] - 11;
2785
2786                         $label_name = $line["caption"];
2787                         $count = getFeedUnread($link, $id);
2788
2789                         $cv = array("id" => $id,
2790                                 "counter" => $count);
2791
2792                         if ($descriptions)
2793                                 $cv["description"] = $label_name;
2794
2795 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2796 //                              $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2797
2798                         array_push($ret_arr, $cv);
2799                 }
2800
2801                 return $ret_arr;
2802         }
2803
2804         function getFeedCounters($link, $active_feed = false) {
2805
2806                 $ret_arr = array();
2807
2808                 $age_qpart = getMaxAgeSubquery();
2809
2810                 $query = "SELECT ttrss_feeds.id,
2811                                 ttrss_feeds.title,
2812                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2813                                 last_error, value AS count
2814                         FROM ttrss_feeds, ttrss_counters_cache
2815                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2816                                 AND ttrss_counters_cache.feed_id = id";
2817
2818                 $result = db_query($link, $query);
2819                 $fctrs_modified = false;
2820
2821                 while ($line = db_fetch_assoc($result)) {
2822
2823                         $id = $line["id"];
2824                         $count = $line["count"];
2825                         $last_error = htmlspecialchars($line["last_error"]);
2826
2827                         $last_updated = make_local_datetime($link, $line['last_updated'], false);
2828
2829                         $has_img = feed_has_icon($id);
2830
2831                         if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
2832                                 $last_updated = '';
2833
2834                         $cv = array("id" => $id,
2835                                 "updated" => $last_updated,
2836                                 "counter" => $count,
2837                                 "has_img" => (int) $has_img);
2838
2839                         if ($last_error)
2840                                 $cv["error"] = $last_error;
2841
2842 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2843 //                              $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2844
2845                         if ($active_feed && $id == $active_feed)
2846                                 $cv["title"] = truncate_string($line["title"], 30);
2847
2848                         array_push($ret_arr, $cv);
2849
2850                 }
2851
2852                 return $ret_arr;
2853         }
2854
2855         function get_pgsql_version($link) {
2856                 $result = db_query($link, "SELECT version() AS version");
2857                 $version = split(" ", db_fetch_result($result, 0, "version"));
2858                 return $version[1];
2859         }
2860
2861         function print_error_xml($code, $add_msg = "") {
2862                 global $ERRORS;
2863
2864                 $error_msg = $ERRORS[$code];
2865
2866                 if ($add_msg) {
2867                         $error_msg = "$error_msg; $add_msg";
2868                 }
2869
2870                 print "<rpc-reply>";
2871                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2872                 print "</rpc-reply>";
2873         }
2874
2875         /**
2876          * Subscribes the user to the given feed
2877          *
2878          * @param resource $link       Database connection
2879          * @param string   $url        Feed URL to subscribe to
2880          * @param integer  $cat_id     Category ID the feed shall be added to
2881          * @param string   $auth_login (optional) Feed username
2882          * @param string   $auth_pass  (optional) Feed password
2883          *
2884          * @return integer Status code:
2885          *                 0 - OK, Feed already exists
2886          *                 1 - OK, Feed added
2887          *                 2 - Invalid URL
2888          *                 3 - URL content is HTML, no feeds available
2889          *                 4 - URL content is HTML which contains multiple feeds.
2890          *                     Here you should call extractfeedurls in rpc-backend
2891          *                     to get all possible feeds.
2892          *                 5 - Couldn't download the URL content.
2893          */
2894         function subscribe_to_feed($link, $url, $cat_id = 0,
2895                         $auth_login = '', $auth_pass = '') {
2896
2897                 $url = fix_url($url);
2898
2899                 if (!$url || !validate_feed_url($url)) return 2;
2900
2901                 $update_method = 0;
2902
2903                 if (strpos($url, '://twitter.com') === false) {
2904                         if (!fetch_file_contents($url)) return 5;
2905
2906                         if (url_is_html($url)) {
2907                                 $feedUrls = get_feeds_from_html($url);
2908                                 if (count($feedUrls) == 0) {
2909                                         return 3;
2910                                 } else if (count($feedUrls) > 1) {
2911                                         return 4;
2912                                 }
2913                                 //use feed url as new URL
2914                                 $url = key($feedUrls);
2915                         }
2916
2917                         } else {
2918                                 if (!fetch_twitter_rss($link, $url, $_SESSION['uid']))
2919                                         return 5;
2920
2921                                 $update_method = 3;
2922                         }
2923                 if ($cat_id == "0" || !$cat_id) {
2924                         $cat_qpart = "NULL";
2925                 } else {
2926                         $cat_qpart = "'$cat_id'";
2927                 }
2928
2929                 $result = db_query($link,
2930                         "SELECT id FROM ttrss_feeds
2931                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
2932
2933                 if (db_num_rows($result) == 0) {
2934                         $result = db_query($link,
2935                                 "INSERT INTO ttrss_feeds
2936                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method)
2937                                 VALUES ('".$_SESSION["uid"]."', '$url',
2938                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', '$update_method')");
2939
2940                         $result = db_query($link,
2941                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
2942                                         AND owner_uid = " . $_SESSION["uid"]);
2943
2944                         $feed_id = db_fetch_result($result, 0, "id");
2945
2946                         if ($feed_id) {
2947                                 update_rss_feed($link, $feed_id, true);
2948                         }
2949
2950                         return 1;
2951                 } else {
2952                         return 0;
2953                 }
2954         }
2955
2956         function print_feed_select($link, $id, $default_id = "",
2957                 $attributes = "", $include_all_feeds = true) {
2958
2959                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2960                 if ($include_all_feeds) {
2961                         print "<option value=\"0\">".__('All feeds')."</option>";
2962                 }
2963
2964                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2965                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2966
2967                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2968                         print "<option disabled>--------</option>";
2969                 }
2970
2971                 while ($line = db_fetch_assoc($result)) {
2972                         if ($line["id"] == $default_id) {
2973                                 $is_selected = "selected=\"1\"";
2974                         } else {
2975                                 $is_selected = "";
2976                         }
2977
2978                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
2979
2980                         printf("<option $is_selected value='%d'>%s</option>",
2981                                 $line["id"], $title);
2982                 }
2983
2984                 print "</select>";
2985         }
2986
2987         function print_feed_cat_select($link, $id, $default_id = "",
2988                 $attributes = "", $include_all_cats = true) {
2989
2990                 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
2991
2992                 if ($include_all_cats) {
2993                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2994                 }
2995
2996                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2997                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2998
2999                 if (db_num_rows($result) > 0 && $include_all_cats) {
3000                         print "<option disabled=\"1\">--------</option>";
3001                 }
3002
3003                 while ($line = db_fetch_assoc($result)) {
3004                         if ($line["id"] == $default_id) {
3005                                 $is_selected = "selected=\"1\"";
3006                         } else {
3007                                 $is_selected = "";
3008                         }
3009
3010                         if ($line["title"])
3011                                 printf("<option $is_selected value='%d'>%s</option>",
3012                                         $line["id"], htmlspecialchars($line["title"]));
3013                 }
3014
3015 #               print "<option value=\"ADD_CAT\">" .__("Add category...") . "</option>";
3016
3017                 print "</select>";
3018         }
3019
3020         function checkbox_to_sql_bool($val) {
3021                 return ($val == "on") ? "true" : "false";
3022         }
3023
3024         function getFeedCatTitle($link, $id) {
3025                 if ($id == -1) {
3026                         return __("Special");
3027                 } else if ($id < -10) {
3028                         return __("Labels");
3029                 } else if ($id > 0) {
3030                         $result = db_query($link, "SELECT ttrss_feed_categories.title
3031                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
3032                                         cat_id = ttrss_feed_categories.id");
3033                         if (db_num_rows($result) == 1) {
3034                                 return db_fetch_result($result, 0, "title");
3035                         } else {
3036                                 return __("Uncategorized");
3037                         }
3038                 } else {
3039                         return "getFeedCatTitle($id) failed";
3040                 }
3041
3042         }
3043
3044         function getFeedIcon($id) {
3045                 switch ($id) {
3046                 case 0:
3047                         return "images/archive.png";
3048                         break;
3049                 case -1:
3050                         return "images/mark_set.png";
3051                         break;
3052                 case -2:
3053                         return "images/pub_set.png";
3054                         break;
3055                 case -3:
3056                         return "images/fresh.png";
3057                         break;
3058                 case -4:
3059                         return "images/tag.png";
3060                         break;
3061                 default:
3062                         if ($id < -10) {
3063                                 return "images/label.png";
3064                         } else {
3065                                 if (file_exists(ICONS_DIR . "/$id.ico"))
3066                                         return ICONS_URL . "/$id.ico";
3067                         }
3068                         break;
3069                 }
3070         }
3071
3072         function getFeedTitle($link, $id) {
3073                 if ($id == -1) {
3074                         return __("Starred articles");
3075                 } else if ($id == -2) {
3076                         return __("Published articles");
3077                 } else if ($id == -3) {
3078                         return __("Fresh articles");
3079                 } else if ($id == -4) {
3080                         return __("All articles");
3081                 } else if ($id === 0 || $id === "0") {
3082                         return __("Archived articles");
3083                 } else if ($id < -10) {
3084                         $label_id = -$id - 11;
3085                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
3086                         if (db_num_rows($result) == 1) {
3087                                 return db_fetch_result($result, 0, "caption");
3088                         } else {
3089                                 return "Unknown label ($label_id)";
3090                         }
3091
3092                 } else if ($id > 0) {
3093                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3094                         if (db_num_rows($result) == 1) {
3095                                 return db_fetch_result($result, 0, "title");
3096                         } else {
3097                                 return "Unknown feed ($id)";
3098                         }
3099                 } else {
3100                         return $id;
3101                 }
3102         }
3103
3104         function get_session_cookie_name() {
3105                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3106         }
3107
3108         function make_init_params($link) {
3109                 $params = array();
3110
3111                 $params["theme"] = get_user_theme($link);
3112                 $params["theme_options"] = get_user_theme_options($link);
3113                 $params["daemon_enabled"] = ENABLE_UPDATE_DAEMON;
3114
3115                 $params["sign_progress"] = theme_image($link, "images/indicator_white.gif");
3116                 $params["sign_progress_tiny"] = theme_image($link, "images/indicator_tiny.gif");
3117                 $params["sign_excl"] = theme_image($link, "images/sign_excl.png");
3118                 $params["sign_info"] = theme_image($link, "images/sign_info.png");
3119
3120                 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
3121                         "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
3122                         "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE", "DEFAULT_ARTICLE_LIMIT",
3123                         "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
3124
3125                                  $params[strtolower($param)] = (int) get_pref($link, $param);
3126                  }
3127
3128                 $params["icons_url"] = ICONS_URL;
3129                 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
3130                 $params["default_view_mode"] = get_pref($link, "_DEFAULT_VIEW_MODE");
3131                 $params["default_view_limit"] = (int) get_pref($link, "_DEFAULT_VIEW_LIMIT");
3132                 $params["default_view_order_by"] = get_pref($link, "_DEFAULT_VIEW_ORDER_BY");
3133                 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
3134
3135                 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
3136                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3137
3138                 $max_feed_id = db_fetch_result($result, 0, "mid");
3139                 $num_feeds = db_fetch_result($result, 0, "nf");
3140
3141                 $params["max_feed_id"] = (int) $max_feed_id;
3142                 $params["num_feeds"] = (int) $num_feeds;
3143
3144                 $params["collapsed_feedlist"] = (int) get_pref($link, "_COLLAPSED_FEEDLIST");
3145
3146                 return $params;
3147         }
3148
3149         function print_runtime_info($link) {
3150                 print "<runtime-info><![CDATA[";
3151                 print json_encode(make_runtime_info($link));
3152                 print "]]></runtime-info>";
3153         }
3154
3155         function make_runtime_info($link) {
3156                 $data = array();
3157
3158                 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
3159                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3160
3161                 $max_feed_id = db_fetch_result($result, 0, "mid");
3162                 $num_feeds = db_fetch_result($result, 0, "nf");
3163
3164                 $data["max_feed_id"] = (int) $max_feed_id;
3165                 $data["num_feeds"] = (int) $num_feeds;
3166
3167                 $data['last_article_id'] = getLastArticleId($link);
3168                 $data['cdm_expanded'] = get_pref($link, 'CDM_EXPANDED');
3169
3170                 if (ENABLE_UPDATE_DAEMON) {
3171
3172                         $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
3173
3174                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3175
3176                                 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
3177
3178                                 if ($stamp) {
3179                                         $stamp_delta = time() - $stamp;
3180
3181                                         if ($stamp_delta > 1800) {
3182                                                 $stamp_check = 0;
3183                                         } else {
3184                                                 $stamp_check = 1;
3185                                                 $_SESSION["daemon_stamp_check"] = time();
3186                                         }
3187
3188                                         $data['daemon_stamp_ok'] = $stamp_check;
3189
3190                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3191
3192                                         $data['daemon_stamp'] = $stamp_fmt;
3193                                 }
3194                         }
3195                 }
3196
3197                 if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3198                                 $new_version_details = @check_for_update($link);
3199
3200                                 $data['new_version_available'] = (int) ($new_version_details != false);
3201
3202                                 $_SESSION["last_version_check"] = time();
3203                 }
3204
3205                 return $data;
3206         }
3207
3208         function getSearchSql($search, $match_on) {
3209
3210                 $search_query_part = "";
3211
3212                 $keywords = split(" ", $search);
3213                 $query_keywords = array();
3214
3215                 if ($match_on == "both") {
3216
3217                         foreach ($keywords as $k) {
3218                                 if (strpos($k, "-") === 0) {
3219                                         $k = substr($k, 1);
3220                                         $not = "NOT";
3221                                 } else {
3222                                         $not = "";
3223                                 }
3224
3225                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
3226                                         OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3227                         }
3228
3229                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3230
3231                 } else if ($match_on == "title") {
3232
3233                         foreach ($keywords as $k) {
3234                                 if (strpos($k, "-") === 0) {
3235                                         $k = substr($k, 1);
3236                                         $not = "NOT";
3237                                 } else {
3238                                         $not = "";
3239                                 }
3240
3241                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
3242                         }
3243
3244                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3245
3246                 } else if ($match_on == "content") {
3247
3248                         foreach ($keywords as $k) {
3249                                 if (strpos($k, "-") === 0) {
3250                                         $k = substr($k, 1);
3251                                         $not = "NOT";
3252                                 } else {
3253                                         $not = "";
3254                                 }
3255
3256                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3257                         }
3258                 }
3259
3260                 $search_query_part = implode("AND", $query_keywords);
3261
3262                 return $search_query_part;
3263         }
3264
3265         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3266
3267                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3268
3269                 $ext_tables_part = "";
3270
3271                         if ($search) {
3272
3273                                 if (SPHINX_ENABLED) {
3274                                         $ids = join(",", @sphinx_search($search, 0, 500));
3275
3276                                         if ($ids)
3277                                                 $search_query_part = "ref_id IN ($ids) AND ";
3278                                         else
3279                                                 $search_query_part = "ref_id = -1 AND ";
3280
3281                                 } else {
3282                                         $search_query_part = getSearchSql($search, $match_on);
3283                                         $search_query_part .= " AND ";
3284                                 }
3285
3286                         } else {
3287                                 $search_query_part = "";
3288                         }
3289
3290                         $view_query_part = "";
3291
3292                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3293                                 if ($search) {
3294                                         $view_query_part = " ";
3295                                 } else if ($feed != -1) {
3296                                         $unread = getFeedUnread($link, $feed, $cat_view);
3297                                         if ($unread > 0) {
3298                                                 $view_query_part = " unread = true AND ";
3299                                         }
3300                                 }
3301                         }
3302
3303                         if ($view_mode == "marked") {
3304                                 $view_query_part = " marked = true AND ";
3305                         }
3306
3307                         if ($view_mode == "published") {
3308                                 $view_query_part = " published = true AND ";
3309                         }
3310
3311                         if ($view_mode == "unread") {
3312                                 $view_query_part = " unread = true AND ";
3313                         }
3314
3315                         if ($view_mode == "updated") {
3316                                 $view_query_part = " (last_read is null and unread = false) AND ";
3317                         }
3318
3319                         if ($limit > 0) {
3320                                 $limit_query_part = "LIMIT " . $limit;
3321                         }
3322
3323                         $vfeed_query_part = "";
3324
3325                         // override query strategy and enable feed display when searching globally
3326                         if ($search && $search_mode == "all_feeds") {
3327                                 $query_strategy_part = "ttrss_entries.id > 0";
3328                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3329                         /* tags */
3330                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3331                                 $query_strategy_part = "ttrss_entries.id > 0";
3332                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3333                                         id = feed_id) as feed_title,";
3334                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
3335
3336                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3337
3338                                 $tmp_result = false;
3339
3340                                 if ($cat_view) {
3341                                         $tmp_result = db_query($link, "SELECT id
3342                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3343                                 } else {
3344                                         $tmp_result = db_query($link, "SELECT id
3345                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3346                                                         WHERE id = '$feed') AND id != '$feed'");
3347                                 }
3348
3349                                 $cat_siblings = array();
3350
3351                                 if (db_num_rows($tmp_result) > 0) {
3352                                         while ($p = db_fetch_assoc($tmp_result)) {
3353                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3354                                         }
3355
3356                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3357                                                 $feed, implode(" OR ", $cat_siblings));
3358
3359                                 } else {
3360                                         $query_strategy_part = "ttrss_entries.id > 0";
3361                                 }
3362
3363                         } else if ($feed > 0) {
3364
3365                                 if ($cat_view) {
3366
3367                                         if ($feed > 0) {
3368                                                 $query_strategy_part = "cat_id = '$feed'";
3369                                         } else {
3370                                                 $query_strategy_part = "cat_id IS NULL";
3371                                         }
3372
3373                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3374
3375                                 } else {
3376                                         $query_strategy_part = "feed_id = '$feed'";
3377                                 }
3378                         } else if ($feed == 0 && !$cat_view) { // archive virtual feed
3379                                 $query_strategy_part = "feed_id IS NULL";
3380                         } else if ($feed == 0 && $cat_view) { // uncategorized
3381                                 $query_strategy_part = "cat_id IS NULL";
3382                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3383                         } else if ($feed == -1) { // starred virtual feed
3384                                 $query_strategy_part = "marked = true";
3385                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3386                         } else if ($feed == -2) { // published virtual feed OR labels category
3387
3388                                 if (!$cat_view) {
3389                                         $query_strategy_part = "published = true";
3390                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3391                                 } else {
3392                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3393
3394                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3395
3396                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3397                                                 ttrss_user_labels2.article_id = ref_id";
3398
3399                                 }
3400
3401                         } else if ($feed == -3) { // fresh virtual feed
3402                                 $query_strategy_part = "unread = true AND score >= 0";
3403
3404                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3405
3406                                 if (DB_TYPE == "pgsql") {
3407                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3408                                 } else {
3409                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3410                                 }
3411
3412                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3413                         } else if ($feed == -4) { // all articles virtual feed
3414                                 $query_strategy_part = "true";
3415                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3416                         } else if ($feed <= -10) { // labels
3417                                 $label_id = -$feed - 11;
3418
3419                                 $query_strategy_part = "label_id = '$label_id' AND
3420                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3421                                         ttrss_user_labels2.article_id = ref_id";
3422
3423                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3424                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3425
3426                         } else {
3427                                 $query_strategy_part = "id > 0"; // dumb
3428                         }
3429
3430                         if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3431                                 $date_sort_field = "updated";
3432                         } else {
3433                                 $date_sort_field = "date_entered";
3434                         }
3435
3436                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3437                                 $order_by = "$date_sort_field";
3438                         } else {
3439                                 $order_by = "$date_sort_field DESC";
3440                         }
3441
3442                         if ($view_mode != "noscores") {
3443                                 $order_by = "score DESC, $order_by";
3444                         }
3445
3446                         if ($override_order) {
3447                                 $order_by = $override_order;
3448                         }
3449
3450                         $feed_title = "";
3451
3452                         if ($search) {
3453                                 $feed_title = "Search results";
3454                         } else {
3455                                 if ($cat_view) {
3456                                         $feed_title = getCategoryTitle($link, $feed);
3457                                 } else {
3458                                         if ((int)$feed == $feed && $feed > 0) {
3459                                                 $result = db_query($link, "SELECT title,site_url,last_error
3460                                                         FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
3461
3462                                                 $feed_title = db_fetch_result($result, 0, "title");
3463                                                 $feed_site_url = db_fetch_result($result, 0, "site_url");
3464                                                 $last_error = db_fetch_result($result, 0, "last_error");
3465                                         } else {
3466                                                 $feed_title = getFeedTitle($link, $feed);
3467                                         }
3468                                 }
3469                         }
3470
3471                         $content_query_part = "content as content_preview,";
3472
3473                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3474
3475                                 if ($feed >= 0) {
3476                                         $feed_kind = "Feeds";
3477                                 } else {
3478                                         $feed_kind = "Labels";
3479                                 }
3480
3481                                 if ($limit_query_part) {
3482                                         $offset_query_part = "OFFSET $offset";
3483                                 }
3484
3485                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3486                                         if (!$override_order) {
3487                                                 $order_by = "ttrss_feeds.title, $order_by";
3488                                         }
3489                                 }
3490
3491                                 if ($feed != "0") {
3492                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
3493                                         $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
3494
3495                                 } else {
3496                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
3497                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
3498                                 }
3499
3500                                 $query = "SELECT DISTINCT
3501                                                 date_entered,
3502                                                 guid,
3503                                                 ttrss_entries.id,ttrss_entries.title,
3504                                                 updated,
3505                                                 note,
3506                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
3507                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3508                                                 $vfeed_query_part
3509                                                 $content_query_part
3510                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3511                                                 author,score
3512                                         FROM
3513                                                 $from_qpart
3514                                         WHERE
3515                                         $feed_check_qpart
3516                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3517                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3518                                         $search_query_part
3519                                         $view_query_part
3520                                         $query_strategy_part ORDER BY $order_by
3521                                         $limit_query_part $offset_query_part";
3522
3523                                 if ($_REQUEST["debug"]) print $query;
3524
3525                                 $result = db_query($link, $query);
3526
3527                         } else {
3528                                 // browsing by tag
3529
3530                                 $feed_kind = "Tags";
3531
3532                                 $result = db_query($link, "SELECT DISTINCT
3533                                         date_entered,
3534                                         guid,
3535                                         note,
3536                                         ttrss_entries.id as id,title,
3537                                         updated,
3538                                         unread,feed_id,orig_feed_id,
3539                                         marked,link,last_read,
3540                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3541                                         $vfeed_query_part
3542                                         $content_query_part
3543                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3544                                         score
3545                                         FROM
3546                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3547                                         WHERE
3548                                                 ref_id = ttrss_entries.id AND
3549                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3550                                                 post_int_id = int_id AND tag_name = '$feed' AND
3551                                                 $view_query_part
3552                                                 $search_query_part
3553                                                 $query_strategy_part ORDER BY $order_by
3554                                         $limit_query_part");
3555                         }
3556
3557                         return array($result, $feed_title, $feed_site_url, $last_error);
3558
3559         }
3560
3561         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3562                 $limit, $search, $search_mode, $match_on, $view_mode = false) {
3563
3564                 $note_style =   "float : right; background-color : #fff7d5; border-width : 1px; ".
3565                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3566                         "margin-bottom : 1em; color : #9a8c59;";
3567
3568                 if (!$limit) $limit = 30;
3569
3570                 if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3571                         $date_sort_field = "updated";
3572                 } else {
3573                         $date_sort_field = "date_entered";
3574                 }
3575
3576                 $qfh_ret = queryFeedHeadlines($link, $feed,
3577                         $limit, $view_mode, $is_cat, $search, $search_mode,
3578                         $match_on, "$date_sort_field DESC", 0, $owner_uid);
3579
3580                 $result = $qfh_ret[0];
3581                 $feed_title = htmlspecialchars($qfh_ret[1]);
3582                 $feed_site_url = $qfh_ret[2];
3583                 $last_error = $qfh_ret[3];
3584
3585 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3586
3587                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3588                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3589                         <rss version=\"2.0\">
3590                         <channel>
3591                         <title>$feed_title</title>
3592                         <link>$feed_site_url</link>
3593                         <description>Feed generated by Tiny Tiny RSS</description>";
3594
3595                 while ($line = db_fetch_assoc($result)) {
3596                         print "<item>";
3597                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3598                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3599
3600                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3601
3602                         foreach ($tags as $tag) {
3603                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3604                         }
3605
3606                         $rfc822_date = date('r', strtotime($line["updated"]));
3607
3608                         print "<pubDate>$rfc822_date</pubDate>";
3609
3610                         if ($line["author"]) {
3611                                 print "<author>" . htmlspecialchars($line["author"]) . "</author>";
3612                         }
3613
3614                         print "<title><![CDATA[" .
3615                                 htmlspecialchars($line["title"]) . "]]></title>";
3616
3617                         print "<description><![CDATA[";
3618
3619                         if ($line["note"]) {
3620                                 print "<div style='$note_style'>";
3621                                 print $line["note"];
3622                                 print "</div>";
3623                         }
3624
3625                         print sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3626                         print "]]></description>";
3627
3628                         $enclosures = get_article_enclosures($link, $line["id"]);
3629
3630                         foreach ($enclosures as $e) {
3631                                 $type = htmlspecialchars($e['content_type']);
3632                                 $url = htmlspecialchars($e['content_url']);
3633                                 $length = $e['duration'];
3634                                 print "<enclosure url=\"$url\" type=\"$type\" length=\"$length\"/>";
3635                         }
3636
3637                         print "</item>";
3638                 }
3639
3640                 print "</channel></rss>";
3641
3642         }
3643
3644         function getCategoryTitle($link, $cat_id) {
3645
3646                 if ($cat_id == -1) {
3647                         return __("Special");
3648                 } else if ($cat_id == -2) {
3649                         return __("Labels");
3650                 } else {
3651
3652                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3653                                 id = '$cat_id'");
3654
3655                         if (db_num_rows($result) == 1) {
3656                                 return db_fetch_result($result, 0, "title");
3657                         } else {
3658                                 return "Uncategorized";
3659                         }
3660                 }
3661         }
3662
3663         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) {
3664                 global $purifier;
3665
3666                 if (!$owner) $owner = $_SESSION["uid"];
3667
3668                 $res = trim($str); if (!$res) return '';
3669
3670                 if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3671                         $res = $purifier->purify($res);
3672                 }
3673
3674                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3675                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3676                 }
3677
3678                 if (strpos($res, "href=") === false)
3679                         $res = rewrite_urls($res);
3680
3681                 $charset_hack = '<head>
3682                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3683                 </head>';
3684
3685                 $res = trim($res); if (!$res) return '';
3686
3687                 libxml_use_internal_errors(true);
3688
3689                 $doc = new DOMDocument();
3690                 $doc->loadHTML($charset_hack . $res);
3691                 $xpath = new DOMXPath($doc);
3692
3693                 $entries = $xpath->query('(//a[@href]|//img[@src])');
3694                 $br_inserted = 0;
3695
3696                 foreach ($entries as $entry) {
3697
3698                         if ($site_url) {
3699
3700                                 if ($entry->hasAttribute('href'))
3701                                         $entry->setAttribute('href',
3702                                                 rewrite_relative_url($site_url, $entry->getAttribute('href')));
3703
3704                                 if ($entry->hasAttribute('src'))
3705                                         $entry->setAttribute('src',
3706                                                 rewrite_relative_url($site_url, $entry->getAttribute('src')));
3707                         }
3708
3709                         if (strtolower($entry->nodeName) == "a") {
3710                                 $entry->setAttribute("target", "_blank");
3711                         }
3712
3713                         if (strtolower($entry->nodeName) == "img" && !$br_inserted) {
3714                                 $br = $doc->createElement("br");
3715
3716                                 if ($entry->parentNode->nextSibling) {
3717                                         $entry->parentNode->insertBefore($br, $entry->nextSibling);
3718                                         $br_inserted = 1;
3719                                 }
3720
3721                         }
3722                 }
3723
3724                 $node = $doc->getElementsByTagName('body')->item(0);
3725
3726                 return $doc->saveXML($node);
3727         }
3728
3729         /**
3730          * Send by mail a digest of last articles.
3731          *
3732          * @param mixed $link The database connection.
3733          * @param integer $limit The maximum number of articles by digest.
3734          * @return boolean Return false if digests are not enabled.
3735          */
3736         function send_headlines_digests($link, $limit = 100) {
3737
3738                 if (!DIGEST_ENABLE) return false;
3739
3740                 $user_limit = DIGEST_EMAIL_LIMIT;
3741                 $days = 1;
3742
3743                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3744
3745                 if (DB_TYPE == "pgsql") {
3746                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3747                 } else if (DB_TYPE == "mysql") {
3748                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3749                 }
3750
3751                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3752                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3753
3754                 while ($line = db_fetch_assoc($result)) {
3755
3756                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3757                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3758
3759                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3760
3761                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3762                                 $digest = $tuple[0];
3763                                 $headlines_count = $tuple[1];
3764                                 $affected_ids = $tuple[2];
3765                                 $digest_text = $tuple[3];
3766
3767                                 if ($headlines_count > 0) {
3768
3769                                         $mail = new PHPMailer();
3770
3771                                         $mail->PluginDir = "lib/phpmailer/";
3772                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3773
3774                                         $mail->CharSet = "UTF-8";
3775
3776                                         $mail->From = DIGEST_FROM_ADDRESS;
3777                                         $mail->FromName = DIGEST_FROM_NAME;
3778                                         $mail->AddAddress($line["email"], $line["login"]);
3779
3780                                         if (DIGEST_SMTP_HOST) {
3781                                                 $mail->Host = DIGEST_SMTP_HOST;
3782                                                 $mail->Mailer = "smtp";
3783                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3784                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3785                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3786                                         }
3787
3788                                         $mail->IsHTML(true);
3789                                         $mail->Subject = DIGEST_SUBJECT;
3790                                         $mail->Body = $digest;
3791                                         $mail->AltBody = $digest_text;
3792
3793                                         $rc = $mail->Send();
3794
3795                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3796
3797                                         print "RC=$rc\n";
3798
3799                                         if ($rc && $do_catchup) {
3800                                                 print "Marking affected articles as read...\n";
3801                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3802                                         }
3803                                 } else {
3804                                         print "No headlines\n";
3805                                 }
3806
3807                                 db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3808                                         WHERE id = " . $line["id"]);
3809                         }
3810                 }
3811
3812                 print "All done.\n";
3813
3814         }
3815
3816         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3817
3818                 require_once "lib/MiniTemplator.class.php";
3819
3820                 $tpl = new MiniTemplator;
3821                 $tpl_t = new MiniTemplator;
3822
3823                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3824                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3825
3826                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3827                 $tpl->setVariable('CUR_TIME', date('G:i'));
3828
3829                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3830                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3831
3832                 $affected_ids = array();
3833
3834                 if (DB_TYPE == "pgsql") {
3835                         $interval_query = "ttrss_entries.date_updated > NOW() - INTERVAL '$days days'";
3836                 } else if (DB_TYPE == "mysql") {
3837                         $interval_query = "ttrss_entries.date_updated > DATE_SUB(NOW(), INTERVAL $days DAY)";
3838                 }
3839
3840                 $result = db_query($link, "SELECT ttrss_entries.title,
3841                                 ttrss_feeds.title AS feed_title,
3842                                 date_updated,
3843                                 ttrss_user_entries.ref_id,
3844                                 link,
3845                                 SUBSTRING(content, 1, 120) AS excerpt,
3846                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3847                         FROM
3848                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3849                         WHERE
3850                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3851                                 AND include_in_digest = true
3852                                 AND $interval_query
3853                                 AND ttrss_user_entries.owner_uid = $user_id
3854                                 AND unread = true
3855                         ORDER BY ttrss_feeds.title, date_updated DESC
3856                         LIMIT $limit");
3857
3858                 $cur_feed_title = "";
3859
3860                 $headlines_count = db_num_rows($result);
3861
3862                 $headlines = array();
3863
3864                 while ($line = db_fetch_assoc($result)) {
3865                         array_push($headlines, $line);
3866                 }
3867
3868                 for ($i = 0; $i < sizeof($headlines); $i++) {
3869
3870                         $line = $headlines[$i];
3871
3872                         array_push($affected_ids, $line["ref_id"]);
3873
3874                         $updated = make_local_datetime($link, $line['last_updated'], false,
3875                                 $user_id);
3876
3877                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3878                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3879                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3880                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3881                         $tpl->setVariable('ARTICLE_EXCERPT',
3882                                 truncate_string(strip_tags($line["excerpt"]), 100));
3883
3884                         $tpl->addBlock('article');
3885
3886                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3887                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3888                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3889                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3890 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3891 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3892
3893                         $tpl_t->addBlock('article');
3894
3895                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3896                                 $tpl->addBlock('feed');
3897                                 $tpl_t->addBlock('feed');
3898                         }
3899
3900                 }
3901
3902                 $tpl->addBlock('digest');
3903                 $tpl->generateOutputToString($tmp);
3904
3905                 $tpl_t->addBlock('digest');
3906                 $tpl_t->generateOutputToString($tmp_t);
3907
3908                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3909         }
3910
3911         function check_for_update($link) {
3912                 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
3913                         $version_url = "http://tt-rss.org/version.php?ver=" . VERSION;
3914
3915                         $version_data = @fetch_file_contents($version_url);
3916
3917                         if ($version_data) {
3918                                 $version_data = json_decode($version_data, true);
3919                                 if ($version_data && $version_data['version']) {
3920
3921                                         if (version_compare(VERSION, $version_data['version']) == -1) {
3922                                                 return $version_data;
3923                                         }
3924                                 }
3925                         }
3926                 }
3927                 return false;
3928         }
3929
3930         function markArticlesById($link, $ids, $cmode) {
3931
3932                 $tmp_ids = array();
3933
3934                 foreach ($ids as $id) {
3935                         array_push($tmp_ids, "ref_id = '$id'");
3936                 }
3937
3938                 $ids_qpart = join(" OR ", $tmp_ids);
3939
3940                 if ($cmode == 0) {
3941                         db_query($link, "UPDATE ttrss_user_entries SET
3942                         marked = false,last_read = NOW()
3943                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3944                 } else if ($cmode == 1) {
3945                         db_query($link, "UPDATE ttrss_user_entries SET
3946                         marked = true
3947                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3948                 } else {
3949                         db_query($link, "UPDATE ttrss_user_entries SET
3950                         marked = NOT marked,last_read = NOW()
3951                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3952                 }
3953         }
3954
3955         function publishArticlesById($link, $ids, $cmode) {
3956
3957                 $tmp_ids = array();
3958
3959                 foreach ($ids as $id) {
3960                         array_push($tmp_ids, "ref_id = '$id'");
3961                 }
3962
3963                 $ids_qpart = join(" OR ", $tmp_ids);
3964
3965                 if ($cmode == 0) {
3966                         db_query($link, "UPDATE ttrss_user_entries SET
3967                         published = false,last_read = NOW()
3968                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3969                 } else if ($cmode == 1) {
3970                         db_query($link, "UPDATE ttrss_user_entries SET
3971                         published = true
3972                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3973                 } else {
3974                         db_query($link, "UPDATE ttrss_user_entries SET
3975                         published = NOT published,last_read = NOW()
3976                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3977                 }
3978         }
3979
3980         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
3981
3982                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3983                 if (count($ids) == 0) return;
3984
3985                 $tmp_ids = array();
3986
3987                 foreach ($ids as $id) {
3988                         array_push($tmp_ids, "ref_id = '$id'");
3989                 }
3990
3991                 $ids_qpart = join(" OR ", $tmp_ids);
3992
3993                 if ($cmode == 0) {
3994                         db_query($link, "UPDATE ttrss_user_entries SET
3995                         unread = false,last_read = NOW()
3996                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3997                 } else if ($cmode == 1) {
3998                         db_query($link, "UPDATE ttrss_user_entries SET
3999                         unread = true
4000                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4001                 } else {
4002                         db_query($link, "UPDATE ttrss_user_entries SET
4003                         unread = NOT unread,last_read = NOW()
4004                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4005                 }
4006
4007                 /* update ccache */
4008
4009                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
4010                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4011
4012                 while ($line = db_fetch_assoc($result)) {
4013                         ccache_update($link, $line["feed_id"], $owner_uid);
4014                 }
4015         }
4016
4017         function catchupArticleById($link, $id, $cmode) {
4018
4019                 if ($cmode == 0) {
4020                         db_query($link, "UPDATE ttrss_user_entries SET
4021                         unread = false,last_read = NOW()
4022                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4023                 } else if ($cmode == 1) {
4024                         db_query($link, "UPDATE ttrss_user_entries SET
4025                         unread = true
4026                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4027                 } else {
4028                         db_query($link, "UPDATE ttrss_user_entries SET
4029                         unread = NOT unread,last_read = NOW()
4030                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4031                 }
4032
4033                 $feed_id = getArticleFeed($link, $id);
4034                 ccache_update($link, $feed_id, $_SESSION["uid"]);
4035         }
4036
4037         function make_guid_from_title($title) {
4038                 return preg_replace("/[ \"\',.:;]/", "-",
4039                         mb_strtolower(strip_tags($title), 'utf-8'));
4040         }
4041
4042         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4043                         $feed_id, $is_cat, $search, $match_on,
4044                         $search_mode, $view_mode, $error) {
4045
4046                         $page_prev_link = "viewFeedGoPage(-1)";
4047                         $page_next_link = "viewFeedGoPage(1)";
4048                         $page_first_link = "viewFeedGoPage(0)";
4049
4050                         $catchup_page_link = "catchupPage()";
4051                         $catchup_feed_link = "catchupCurrentFeed()";
4052                         $catchup_sel_link = "catchupSelection()";
4053
4054                         $archive_sel_link = "archiveSelection()";
4055                         $delete_sel_link = "deleteSelection()";
4056
4057                         $sel_all_link = "selectArticles('all')";
4058                         $sel_unread_link = "selectArticles('unread')";
4059                         $sel_none_link = "selectArticles('none')";
4060                         $sel_inv_link = "selectArticles('invert')";
4061
4062                         $tog_unread_link = "selectionToggleUnread()";
4063                         $tog_marked_link = "selectionToggleMarked()";
4064                         $tog_published_link = "selectionTogglePublished()";
4065
4066                         print "<div id=\"subtoolbar_main\">";
4067
4068                         print __('Select:')."
4069                                 <a href=\"#\" onclick=\"$sel_all_link\">".__('All')."</a>,
4070                                 <a href=\"#\" onclick=\"$sel_unread_link\">".__('Unread')."</a>,
4071                                 <a href=\"#\" onclick=\"$sel_inv_link\">".__('Invert')."</a>,
4072                                 <a href=\"#\" onclick=\"$sel_none_link\">".__('None')."</a></li>";
4073
4074                         print " ";
4075
4076                         print "<select dojoType=\"dijit.form.Select\"
4077                                 onchange=\"headlineActionsChange(this)\">";
4078                         print "<option value=\"false\">".__('Actions...')."</option>";
4079
4080                         print "<option value=\"0\" disabled=\"1\">".__('Selection toggle:')."</option>";
4081
4082                         print "<option value=\"$tog_unread_link\">".__('Unread')."</option>
4083                                 <option value=\"$tog_marked_link\">".__('Starred')."</option>
4084                                 <option value=\"$tog_published_link\">".__('Published')."</option>";
4085
4086                         print "<option value=\"0\" disabled=\"1\">".__('Selection:')."</option>";
4087
4088                         print "<option value=\"$catchup_sel_link\">".__('Mark as read')."</option>";
4089
4090                         if ($feed_id != "0") {
4091                                 print "<option value=\"$archive_sel_link\">".__('Archive')."</option>";
4092                         } else {
4093                                 print "<option value=\"$archive_sel_link\">".__('Move back')."</option>";
4094                                 print "<option value=\"$delete_sel_link\">".__('Delete')."</option>";
4095
4096                         }
4097
4098                         print "<option value=\"emailArticle(false)\">".__('Forward by email').
4099                                 "</option>";
4100
4101                         $rss_link = htmlspecialchars(get_self_url_prefix() .
4102                                 "/backend.php?op=rss&id=$feed_id&is_cat=$is_cat&view_mode=$view_mode$search_q");
4103
4104                         print "<option value=\"0\" disabled=\"1\">".__('Feed:')."</option>";
4105
4106                         print "<option value=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">".__('View as RSS')."</option>";
4107
4108                         print "</select>";
4109
4110                         print "</div>";
4111
4112                         print "<div id=\"subtoolbar_ftitle\">";
4113
4114                         if ($feed_site_url) {
4115                                 $target = "target=\"_blank\"";
4116                                 print "<a title=\"".__("Visit the website")."\" $target href=\"$feed_site_url\">".
4117                                         truncate_string($feed_title,30)."</a>";
4118
4119                                 if ($error) {
4120                                         print " (<span class=\"error\" title=\"$error\">Error</span>)";
4121                                 }
4122
4123                         } else {
4124                                 if ($feed_id < -10) {
4125                                         $label_id = -11-$feed_id;
4126
4127                                         $result = db_query($link, "SELECT fg_color, bg_color
4128                                                 FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
4129                                                 $_SESSION["uid"]);
4130
4131                                         if (db_num_rows($result) != 0) {
4132                                                 $fg_color = db_fetch_result($result, 0, "fg_color");
4133                                                 $bg_color = db_fetch_result($result, 0, "bg_color");
4134
4135                                                 print "<span style='background : $bg_color; color : $fg_color'>";
4136                                                 print $feed_title;
4137                                                 print "</span>";
4138                                         } else {
4139                                                 print $feed_title;
4140                                         }
4141
4142                                 } else {
4143                                         print $feed_title;
4144                                 }
4145                         }
4146
4147                         if ($search) {
4148                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4149                         } else {
4150                                 $search_q = "";
4151                         }
4152
4153                         // Adaptive doesn't really make any sense for generated feeds
4154                         // All Articles is the default, so no need to insert it either
4155                         if ($view_mode == "adaptive" || $view_mode == "all_articles")
4156                                 $view_mode = "";
4157                         else
4158                                 $view_mode = "&view-mode=$view_mode";
4159
4160                         print "
4161                                 <a href=\"#\"
4162                                         title=\"".__("View as RSS feed")."\"
4163                                         onclick=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">
4164                                         <img class=\"noborder\" style=\"vertical-align : middle\" src=\"images/feed-icon-12x12.png\"></a>";
4165
4166                         print "</div>";
4167
4168                 }
4169
4170         function outputFeedList($link, $special = true) {
4171
4172                 $feedlist = array();
4173
4174                 $enable_cats = get_pref($link, 'ENABLE_FEED_CATS');
4175
4176                 $feedlist['identifier'] = 'id';
4177                 $feedlist['label'] = 'name';
4178                 $feedlist['items'] = array();
4179
4180                 $owner_uid = $_SESSION["uid"];
4181
4182                 /* virtual feeds */
4183
4184                 if ($special) {
4185
4186                         if ($enable_cats) {
4187                                 $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4188                                 $cat = feedlist_init_cat($link, -1, $cat_hidden);
4189                         } else {
4190                                 $cat['items'] = array();
4191                         }
4192
4193                         foreach (array(-4, -3, -1, -2, 0) as $i) {
4194                                 array_push($cat['items'], feedlist_init_feed($link, $i));
4195                         }
4196
4197                         if ($enable_cats) {
4198                                 array_push($feedlist['items'], $cat);
4199                         } else {
4200                                 $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4201                         }
4202
4203                         $result = db_query($link, "SELECT * FROM
4204                                 ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4205
4206                         if (db_num_rows($result) > 0) {
4207
4208                                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4209                                         $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
4210                                         $cat = feedlist_init_cat($link, -2, $cat_hidden);
4211                                 } else {
4212                                         $cat['items'] = array();
4213                                 }
4214
4215                                 while ($line = db_fetch_assoc($result)) {
4216
4217                                         $label_id = -$line['id'] - 11;
4218                                         $count = getFeedUnread($link, $label_id);
4219
4220                                         $feed = feedlist_init_feed($link, $label_id, false, $count);
4221
4222                                         $feed['fg_color'] = $line['fg_color'];
4223                                         $feed['bg_color'] = $line['bg_color'];
4224
4225                                         array_push($cat['items'], $feed);
4226                                 }
4227
4228                                 if ($enable_cats) {
4229                                         array_push($feedlist['items'], $cat);
4230                                 } else {
4231                                         $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4232                                 }
4233                         }
4234                 }
4235
4236 /*              if (get_pref($link, 'ENABLE_FEED_CATS')) {
4237                         if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4238                                 $order_by_qpart = "order_id,category,unread DESC,title";
4239                         } else {
4240                                 $order_by_qpart = "order_id,category,title";
4241                         }
4242                 } else {
4243                         if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4244                                 $order_by_qpart = "unread DESC,title";
4245                         } else {
4246                                 $order_by_qpart = "title";
4247                         }
4248                 } */
4249
4250                 /* real feeds */
4251
4252                 if ($enable_cats)
4253                         $order_by_qpart = "ttrss_feed_categories.order_id,category,
4254                                 ttrss_feeds.order_id,title";
4255                 else
4256                         $order_by_qpart = "title";
4257
4258                 $age_qpart = getMaxAgeSubquery();
4259
4260                 $query = "SELECT ttrss_feeds.id, ttrss_feeds.title,
4261                         ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4262                         cat_id,last_error,
4263                         ttrss_feed_categories.title AS category,
4264                         ttrss_feed_categories.collapsed,
4265                         value AS unread
4266                         FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4267                                 ON (ttrss_feed_categories.id = cat_id)
4268                         LEFT JOIN ttrss_counters_cache
4269                                 ON
4270                                         (ttrss_feeds.id = feed_id)
4271                         WHERE
4272                                 ttrss_feeds.owner_uid = '$owner_uid'
4273                         ORDER BY $order_by_qpart";
4274
4275                 $result = db_query($link, $query);
4276
4277                 $actid = $_REQUEST["actid"];
4278
4279                 if (db_num_rows($result) > 0) {
4280
4281                         $category = "";
4282
4283                         if (!$enable_cats)
4284                                 $cat['items'] = array();
4285                         else
4286                                 $cat = false;
4287
4288                         while ($line = db_fetch_assoc($result)) {
4289
4290                                 $feed = htmlspecialchars(trim($line["title"]));
4291
4292                                 if (!$feed) $feed = "[Untitled]";
4293
4294                                 $feed_id = $line["id"];
4295                                 $unread = $line["unread"];
4296
4297                                 $cat_id = $line["cat_id"];
4298                                 $tmp_category = $line["category"];
4299                                 if (!$tmp_category) $tmp_category = __("Uncategorized");
4300
4301                                 if ($category != $tmp_category && $enable_cats) {
4302
4303                                         $category = $tmp_category;
4304
4305                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4306
4307                                         // workaround for NULL category
4308                                         if ($category == __("Uncategorized")) {
4309                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4310                                         }
4311
4312                                         if ($cat) array_push($feedlist['items'], $cat);
4313
4314                                         $cat = feedlist_init_cat($link, $cat_id, $collapsed);
4315                                 }
4316
4317                                 $updated = make_local_datetime($link, $line["updated_noms"], false);
4318
4319                                 array_push($cat['items'], feedlist_init_feed($link, $feed_id,
4320                                         $feed, $unread, $line['last_error'], $updated));
4321                         }
4322
4323                         if ($enable_cats) {
4324                                 array_push($feedlist['items'], $cat);
4325                         } else {
4326                                 $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4327                         }
4328
4329                 }
4330
4331                 return $feedlist;
4332         }
4333
4334         function get_article_tags($link, $id, $owner_uid = 0) {
4335
4336                 global $memcache;
4337
4338                 $a_id = db_escape_string($id);
4339
4340                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4341
4342                 $query = "SELECT DISTINCT tag_name,
4343                         owner_uid as owner FROM
4344                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4345                         ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
4346
4347                 $obj_id = md5("TAGS:$owner_uid:$id");
4348                 $tags = array();
4349
4350                 if ($memcache && $obj = $memcache->get($obj_id)) {
4351                         $tags = $obj;
4352                 } else {
4353                         /* check cache first */
4354
4355                         $result = db_query($link, "SELECT tag_cache FROM ttrss_user_entries
4356                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4357
4358                         $tag_cache = db_fetch_result($result, 0, "tag_cache");
4359
4360                         if ($tag_cache) {
4361                                 $tags = explode(",", $tag_cache);
4362                         } else {
4363
4364                                 /* do it the hard way */
4365
4366                                 $tmp_result = db_query($link, $query);
4367
4368                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4369                                         array_push($tags, $tmp_line["tag_name"]);
4370                                 }
4371
4372                                 /* update the cache */
4373
4374                                 $tags_str = db_escape_string(join(",", $tags));
4375
4376                                 db_query($link, "UPDATE ttrss_user_entries
4377                                         SET tag_cache = '$tags_str' WHERE ref_id = '$id'
4378                                         AND owner_uid = " . $_SESSION["uid"]);
4379                         }
4380
4381                         if ($memcache) $memcache->add($obj_id, $tags, 0, 3600);
4382                 }
4383
4384                 return $tags;
4385         }
4386
4387         function trim_value(&$value) {
4388                 $value = trim($value);
4389         }
4390
4391         function trim_array($array) {
4392                 $tmp = $array;
4393                 array_walk($tmp, 'trim_value');
4394                 return $tmp;
4395         }
4396
4397         function tag_is_valid($tag) {
4398                 if ($tag == '') return false;
4399                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4400                 if (mb_strlen($tag) > 250) return false;
4401
4402                 if (function_exists('iconv')) {
4403                         $tag = iconv("utf-8", "utf-8", $tag);
4404                 }
4405
4406                 if (!$tag) return false;
4407
4408                 return true;
4409         }
4410
4411         function render_login_form($link, $mobile = 0) {
4412                 switch ($mobile) {
4413                 case 0:
4414                         require_once "login_form.php";
4415                         break;
4416                 case 1:
4417                         require_once "mobile/login_form.php";
4418                         break;
4419                 case 2:
4420                         require_once "mobile/classic/login_form.php";
4421                 }
4422         }
4423
4424         // from http://developer.apple.com/internet/safari/faq.html
4425         function no_cache_incantation() {
4426                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4427                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4428                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4429                 header("Cache-Control: post-check=0, pre-check=0", false);
4430                 header("Pragma: no-cache"); // HTTP/1.0
4431         }
4432
4433         function format_warning($msg, $id = "") {
4434                 global $link;
4435                 return "<div class=\"warning\" id=\"$id\">
4436                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4437         }
4438
4439         function format_notice($msg) {
4440                 global $link;
4441                 return "<div class=\"notice\" id=\"$id\">
4442                         <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
4443         }
4444
4445         function format_error($msg) {
4446                 global $link;
4447                 return "<div class=\"error\" id=\"$id\">
4448                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4449         }
4450
4451         function print_notice($msg) {
4452                 return print format_notice($msg);
4453         }
4454
4455         function print_warning($msg) {
4456                 return print format_warning($msg);
4457         }
4458
4459         function print_error($msg) {
4460                 return print format_error($msg);
4461         }
4462
4463
4464         function T_sprintf() {
4465                 $args = func_get_args();
4466                 return vsprintf(__(array_shift($args)), $args);
4467         }
4468
4469         function format_inline_player($link, $url, $ctype) {
4470
4471                 $entry = "";
4472
4473                 if (strpos($ctype, "audio/") === 0) {
4474
4475                         if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
4476                                 strpos($_SERVER['HTTP_USER_AGENT'], "Chrome") !== false ||
4477                                 strpos($_SERVER['HTTP_USER_AGENT'], "Safari") !== false )) {
4478
4479                                 $id = 'AUDIO-' . uniqid();
4480
4481                                 $entry .= "<audio id=\"$id\"\">
4482                                         <source src=\"$url\"></source>
4483                                         </audio>";
4484
4485                                 $entry .= "<span onclick=\"player(this)\"
4486                                         title=\"".__("Click to play")."\" status=\"0\"
4487                                         class=\"player\" audio-id=\"$id\">".__("Play")."</span>";
4488
4489                         } else {
4490
4491                                 $entry .= "<object type=\"application/x-shockwave-flash\"
4492                                         data=\"extras/button/musicplayer.swf?song_url=$url\"
4493                                         width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
4494                                         <param name=\"movie\"
4495                                                 value=\"extras/button/musicplayer.swf?song_url=$url\" />
4496                                         </object>";
4497                         }
4498                 }
4499
4500                 $filename = substr($url, strrpos($url, "/")+1);
4501
4502                 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4503                         $filename . " (" . $ctype . ")" . "</a>";
4504
4505                 return $entry;
4506         }
4507
4508         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4509                 $zoom_mode = false) {
4510
4511                 /* we can figure out feed_id from article id anyway, why do we
4512                  * pass feed_id here? let's ignore the argument :( */
4513
4514                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4515                         WHERE ref_id = '$id'");
4516
4517                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4518
4519                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4520
4521                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4522                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4523
4524                 if (db_num_rows($result) == 1) {
4525                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4526                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4527                 } else {
4528                         $rtl_content = false;
4529                         $always_display_enclosures = false;
4530                 }
4531
4532                 if ($rtl_content) {
4533                         $rtl_tag = "dir=\"RTL\"";
4534                         $rtl_class = "RTL";
4535                 } else {
4536                         $rtl_tag = "";
4537                         $rtl_class = "";
4538                 }
4539
4540                 if ($mark_as_read) {
4541                         $result = db_query($link, "UPDATE ttrss_user_entries
4542                                 SET unread = false,last_read = NOW()
4543                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4544
4545                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4546                 }
4547
4548                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4549                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4550                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4551                         (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
4552                         num_comments,
4553                         author,
4554                         orig_feed_id,
4555                         note
4556                         FROM ttrss_entries,ttrss_user_entries
4557                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4558
4559                 if ($result) {
4560
4561                         $line = db_fetch_assoc($result);
4562
4563                         if ($line["icon_url"]) {
4564                                 $feed_icon = "<img src=\"" . $line["icon_url"] . "\">";
4565                         } else {
4566                                 $feed_icon = "&nbsp;";
4567                         }
4568
4569                         $feed_site_url = $line['site_url'];
4570
4571                         $num_comments = $line["num_comments"];
4572                         $entry_comments = "";
4573
4574                         if ($num_comments > 0) {
4575                                 if ($line["comments"]) {
4576                                         $comments_url = $line["comments"];
4577                                 } else {
4578                                         $comments_url = $line["link"];
4579                                 }
4580                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
4581                         } else {
4582                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4583                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
4584                                 }
4585                         }
4586
4587                         if ($zoom_mode) {
4588                                 header("Content-Type: text/html");
4589                                 print "<html><head>
4590                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4591                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4592                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4593                                         </head><body>";
4594                         }
4595
4596                         print "<div id=\"PTITLE-$id\" style=\"display : none\">" .
4597                                 truncate_string(strip_tags($line['title']), 15) . "</div>";
4598
4599                         print "<div class=\"postReply\" id=\"POST-$id\">";
4600
4601                         /* print "<div dojoType=\"dijit.Menu\" style=\"display: none;\"
4602                                 targetNodeIds=\"POSTHDR-$id\">";
4603                         print "<div onclick=\"postOpenInNewTab(event, $id)\"
4604                                 dojoType=\"dijit.MenuItem\">".__('View in a new tab')."</div>";
4605                         print "<div dojoType=\"dijit.MenuSeparator\"></div>";
4606                         print "<div onclick=\"openArticleInNewWindow($id)\"
4607                                 dojoType=\"dijit.MenuItem\">".__('Open original article')."</div>";
4608                         print "</div>"; */
4609
4610                         print "<div onclick=\"return postClicked(event, $id)\"
4611                                 class=\"postHeader\" id=\"POSTHDR-$id\">";
4612
4613                         $entry_author = $line["author"];
4614
4615                         if ($entry_author) {
4616                                 $entry_author = __(" - ") . $entry_author;
4617                         }
4618
4619                         $parsed_updated = make_local_datetime($link, $line["updated"], true,
4620                                 false, true);
4621
4622                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4623
4624                         if ($line["link"]) {
4625                                 print "<div clear='both'><a target='_blank'
4626                                         title=\"".htmlspecialchars($line['title'])."\"
4627                                         href=\"" .
4628                                         $line["link"] . "\">" .
4629                                         truncate_string($line["title"], 100) .
4630                                         "<span class='author'>$entry_author</span></a></div>";
4631                         } else {
4632                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4633                         }
4634
4635                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4636
4637                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4638
4639                         print "<div style='float : right'>
4640                                 <img src='".theme_image($link, 'images/tag.png')."'
4641                                 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4642
4643                         if (!$zoom_mode) {
4644                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4645                                         <a title=\"".__('Edit tags for this article')."\"
4646                                         href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
4647
4648                                 print "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
4649                                                 class='tagsPic' style=\"cursor : pointer\"
4650                                                 onclick=\"postOpenInNewTab(event, $id)\"
4651                                                 alt='Zoom' title='".__('Open article in new tab')."'>";
4652
4653                                 //$note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4654
4655                                 print "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\"
4656                                                 class='tagsPic' style=\"cursor : pointer\"
4657                                                 onclick=\"editArticleNote($id)\"
4658                                                 alt='PubNote' title='".__('Edit article note')."'>";
4659
4660                                 if (DIGEST_ENABLE) {
4661                                         print "<img src=\"".theme_image($link, 'images/art-email.png')."\"
4662                                                 class='tagsPic' style=\"cursor : pointer\"
4663                                                 onclick=\"emailArticle($id)\"
4664                                                 alt='Zoom' title='".__('Forward by email')."'>";
4665                                 }
4666
4667                                 if (ENABLE_TWEET_BUTTON) {
4668                                         print "<img src=\"".theme_image($link, 'images/art-tweet.png')."\"
4669                                                         class='tagsPic' style=\"cursor : pointer\"
4670                                                         onclick=\"tweetArticle($id)\"
4671                                                         alt='Zoom' title='".__('Share on Twitter')."'>";
4672                                 }
4673
4674                                 print "<img src=\"".theme_image($link, 'images/digest_checkbox.png')."\"
4675                                                 class='tagsPic' style=\"cursor : pointer\"
4676                                                 onclick=\"closeArticlePanel($id)\"
4677                                                 alt='Zoom' title='".__('Close this panel')."'>";
4678
4679                         } else {
4680                                 $tags_str = strip_tags($tags_str);
4681                                 print "<span id=\"ATSTR-$id\">$tags_str</span>";
4682                         }
4683                         print "</div>";
4684                         print "<div clear='both'>$entry_comments</div>";
4685
4686                         if ($line["orig_feed_id"]) {
4687
4688                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
4689                                         WHERE id = ".$line["orig_feed_id"]);
4690
4691                                 if (db_num_rows($tmp_result) != 0) {
4692
4693                                         print "<div clear='both'>";
4694                                         print __("Originally from:");
4695
4696                                         print "&nbsp;";
4697
4698                                         $tmp_line = db_fetch_assoc($tmp_result);
4699
4700                                         print "<a target='_blank'
4701                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
4702                                                 $tmp_line['title'] . "</a>";
4703
4704                                         print "&nbsp;";
4705
4706                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
4707                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
4708
4709                                         print "</div>";
4710                                 }
4711                         }
4712
4713                         print "</div>";
4714
4715                         print "<div class=\"postIcon\">" .
4716                                 "<a target=\"_blank\" title=\"".__("Visit the website")."\"$
4717                                 href=\"".htmlspecialchars($feed_site_url)."\">".
4718                                 $feed_icon . "</a></div>";
4719
4720                         print "<div id=\"POSTNOTE-$id\">";
4721                                 if ($line['note']) {
4722                                         print format_article_note($id, $line['note']);
4723                                 }
4724                         print "</div>";
4725
4726                         print "<div class=\"postContent\">";
4727
4728                         $article_content = sanitize_rss($link, $line["content"], false, false,
4729                                 $feed_site_url);
4730
4731                         print $article_content;
4732
4733                         print_article_enclosures($link, $id, $always_display_enclosures,
4734                                 $article_content);
4735
4736                         print "</div>";
4737
4738                         print "</div>";
4739
4740                 }
4741
4742                 if (!$zoom_mode) {
4743                         print "]]></article>";
4744                 } else {
4745                         print "
4746                                 <div style=\"text-align : center\">
4747                                 <button onclick=\"return window.close()\">".
4748                                         __("Close this window")."</button></div>";
4749                         print "</body></html>";
4750
4751                 }
4752
4753         }
4754
4755         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4756                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4757                                         $override_order = false) {
4758
4759                 $disable_cache = false;
4760
4761                 $timing_info = getmicrotime();
4762
4763                 $topmost_article_ids = array();
4764
4765                 if (!$offset) {
4766                         $offset = 0;
4767                 }
4768
4769                 if ($subop == "undefined") $subop = "";
4770
4771                 $subop_split = split(":", $subop);
4772
4773                 if ($subop == "CatchupSelected") {
4774                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
4775                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
4776
4777                         catchupArticlesById($link, $ids, $cmode);
4778                 }
4779
4780                 if ($subop == "MarkAllRead")  {
4781                         catchup_feed($link, $feed, $cat_view);
4782
4783                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4784                                 if ($next_unread_feed) {
4785                                         $feed = $next_unread_feed;
4786                                 }
4787                         }
4788                 }
4789
4790                 if ($subop_split[0] == "MarkAllReadGR")  {
4791                         catchup_feed($link, $subop_split[1], false);
4792                 }
4793
4794                 // FIXME: might break tag display?
4795
4796                 if ($feed > 0 && !$cat_view) {
4797                         $result = db_query($link,
4798                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4799
4800                         if (db_num_rows($result) == 0) {
4801                                 print "<div align='center'>".__('Feed not found.')."</div>";
4802                                 return;
4803                         }
4804                 }
4805
4806                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4807
4808                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4809                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4810
4811                         if (db_num_rows($result) == 1) {
4812                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4813                         } else {
4814                                 $rtl_content = false;
4815                         }
4816
4817                         if ($rtl_content) {
4818                                 $rtl_tag = "dir=\"RTL\"";
4819                         } else {
4820                                 $rtl_tag = "";
4821                         }
4822                 } else {
4823                         $rtl_tag = "";
4824                         $rtl_content = false;
4825                 }
4826
4827                 /// START /////////////////////////////////////////////////////////////////////////////////
4828
4829                 @$search = db_escape_string($_REQUEST["query"]);
4830
4831                 if ($search) {
4832                         $disable_cache = true;
4833                 }
4834
4835                 @$search_mode = db_escape_string($_REQUEST["search_mode"]);
4836                 @$match_on = db_escape_string($_REQUEST["match_on"]);
4837
4838                 if (!$match_on) {
4839                         $match_on = "both";
4840                 }
4841
4842                 $real_offset = $offset * $limit;
4843
4844                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4845
4846                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4847                         $search, $search_mode, $match_on, $override_order, $real_offset);
4848
4849                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4850
4851                 $result = $qfh_ret[0];
4852                 $feed_title = $qfh_ret[1];
4853                 $feed_site_url = $qfh_ret[2];
4854                 $last_error = $qfh_ret[3];
4855
4856                 $vgroup_last_feed = $vgr_last_feed;
4857
4858 /*              if ($feed == -2) {
4859                         $feed_site_url = article_publish_url($link);
4860                 } */
4861
4862                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4863
4864                 print "<toolbar><![CDATA[";
4865
4866                 if (!$offset) {
4867 //                      print "<div id=\"headlinesContainer\" $rtl_tag>";
4868
4869                         if (!$result) {
4870                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4871                                 return;
4872                         }
4873
4874                         if (db_num_rows($result) > 0) {
4875                                 print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4876                                         $feed, $cat_view, $search, $match_on, $search_mode, $view_mode,
4877                                         $last_error);
4878
4879 //                              print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4880
4881                         }
4882                 }
4883
4884                 print "]]></toolbar><content><![CDATA[";
4885
4886                 $headlines_count = db_num_rows($result);
4887
4888                 if (db_num_rows($result) > 0) {
4889
4890                         $lnum = $limit*$offset;
4891
4892                         $num_unread = 0;
4893                         $cur_feed_title = '';
4894
4895                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
4896
4897                         while ($line = db_fetch_assoc($result)) {
4898
4899                                 $class = ($lnum % 2) ? "even" : "odd";
4900
4901                                 $id = $line["id"];
4902                                 $feed_id = $line["feed_id"];
4903
4904                                 $labels = get_article_labels($link, $id);
4905
4906                                 $labels_str = "<span id=\"HLLCTR-$id\">";
4907                                 $labels_str .= format_article_labels($labels, $id);
4908                                 $labels_str .= "</span>";
4909
4910                                 if (count($topmost_article_ids) < 3) {
4911                                         array_push($topmost_article_ids, $id);
4912                                 }
4913
4914                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
4915
4916                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
4917                                                 theme_image($link, 'images/updated.png')."\"
4918                                                 alt=\"Updated\">";
4919                                 } else {
4920                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
4921                                                 alt=\"Updated\">";
4922                                 }
4923
4924                                 if (sql_bool_to_bool($line["unread"]) &&
4925                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
4926
4927                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
4928                                                 theme_image($link, 'images/fresh_sign.png')."\" alt=\"Fresh\">";
4929                                 }
4930
4931                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
4932                                         $class .= " Unread";
4933                                         ++$num_unread;
4934                                         $is_unread = true;
4935                                 } else {
4936                                         $is_unread = false;
4937                                 }
4938
4939                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
4940                                         $marked_pic = "<img id=\"FMPIC-$id\"
4941                                                 src=\"".theme_image($link, 'images/mark_set.png')."\"
4942                                                 class=\"markedPic\" alt=\"Unstar article\"
4943                                                 onclick='javascript:tMark($id)'>";
4944                                 } else {
4945                                         $marked_pic = "<img id=\"FMPIC-$id\"
4946                                                 src=\"".theme_image($link, 'images/mark_unset.png')."\"
4947                                                 class=\"markedPic\" alt=\"Star article\"
4948                                                 onclick='javascript:tMark($id)'>";
4949                                 }
4950
4951                                 if ($line["published"] == "t" || $line["published"] == "1") {
4952                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
4953                                                 'images/pub_set.png')."\"
4954                                                 class=\"markedPic\"
4955                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
4956                                 } else {
4957                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
4958                                                 'images/pub_unset.png')."\"
4959                                                 class=\"markedPic\"
4960                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
4961                                 }
4962
4963 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
4964 #                                       $line["title"] . "</a>";
4965
4966 #                               $content_link = "<a
4967 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
4968 #                                       onclick=\"view($id,$feed_id);\">" .
4969 #                                       $line["title"] . "</a>";
4970
4971 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
4972 #                                       $line["title"] . "</a>";
4973
4974                                 $updated_fmt = make_local_datetime($link, $line["updated_noms"], false);
4975
4976                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4977                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
4978                                                 100);
4979                                 }
4980
4981                                 $score = $line["score"];
4982
4983                                 $score_pic = theme_image($link,
4984                                         "images/" . get_score_pic($score));
4985
4986 /*                              $score_title = __("(Click to change)");
4987                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
4988                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
4989
4990                                 $score_pic = "<img class='hlScorePic' src=\"$score_pic\"
4991                                         title=\"$score\">";
4992
4993                                 if ($score > 500) {
4994                                         $hlc_suffix = "H";
4995                                 } else if ($score < -100) {
4996                                         $hlc_suffix = "L";
4997                                 } else {
4998                                         $hlc_suffix = "";
4999                                 }
5000
5001                                 $entry_author = $line["author"];
5002
5003                                 if ($entry_author) {
5004                                         $entry_author = " - $entry_author";
5005                                 }
5006
5007                                 $has_feed_icon = feed_has_icon($feed_id);
5008
5009                                 if ($has_feed_icon) {
5010                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5011                                 } else {
5012                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/feed-icon-12x12.png\" alt=\"\">";
5013                                 }
5014
5015                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5016
5017                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5018                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5019
5020                                                         $cur_feed_title = $line["feed_title"];
5021                                                         $vgroup_last_feed = $feed_id;
5022
5023                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5024
5025                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5026
5027                                                         print "<div class='cdmFeedTitle'>".
5028                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5029                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5030                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5031
5032                                                 }
5033                                         }
5034
5035                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5036                                                 onmouseout='postMouseOut($id)'";
5037
5038                                         print "<div class='$class' id='RROW-$id' $mouseover_attrs>";
5039
5040                                         print "<div class='hlUpdPic'>$update_pic</div>";
5041
5042                                         print "<div class='hlLeft'>";
5043
5044                                         print "<input type=\"checkbox\" onclick=\"tSR(this)\"
5045                                                         id=\"RCHK-$id\">";
5046
5047                                         print "$marked_pic";
5048                                         print "$published_pic";
5049
5050                                         print "</div>";
5051
5052                                         print "<div onclick='return hlClicked(event, $id)'
5053                                                 class=\"hlTitle\"><span class='hlContent$hlc_suffix'>";
5054                                         print "<a id=\"RTITLE-$id\"
5055                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5056                                                 onclick=\"return false;\">" .
5057                                                 $line["title"];
5058
5059                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5060                                                 if ($content_preview) {
5061                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5062                                                 }
5063                                         }
5064
5065                                         print "</a></span>";
5066
5067                                         print $labels_str;
5068
5069                                         /* if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5070                                                 if (@$line["feed_title"]) {
5071                                                         print "<span class=\"hlFeed\">
5072                                                                 (<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5073                                                                 $line["feed_title"]."</a>)
5074                                                         </span>";
5075                                                 }
5076                                         } */
5077
5078                                         print "</div>";
5079
5080
5081
5082                                         print "<div class=\"hlRight\">";
5083                                         print "<span class=\"hlUpdated\">$updated_fmt</span>";
5084                                         print $score_pic;
5085
5086                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5087
5088                                                 print "<span onclick=\"viewfeed($feed_id)\"
5089                                                         title=\"".htmlspecialchars($line['feed_title'])."\">
5090                                                         $feed_icon_img<span>";
5091                                         }
5092
5093                                         print "</div>";
5094                                         print "</div>";
5095
5096                                 } else {
5097
5098                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5099                                                 if ($feed_id != $vgroup_last_feed) {
5100
5101                                                         $cur_feed_title = $line["feed_title"];
5102                                                         $vgroup_last_feed = $feed_id;
5103
5104                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5105
5106                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5107
5108                                                         $has_feed_icon = feed_has_icon($feed_id);
5109
5110                                                         if ($has_feed_icon) {
5111                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5112                                                         } else {
5113                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5114                                                         }
5115
5116                                                         print "<div class='cdmFeedTitle'>".
5117                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5118                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5119                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5120                                                 }
5121                                         }
5122
5123                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5124
5125                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5126                                                 onmouseout='postMouseOut($id)'";
5127
5128                                         print "<div class=\"$class\"
5129                                                 id=\"RROW-$id\" $mouseover_attrs'>";
5130
5131                                         print "<div class=\"cdmHeader\">";
5132
5133                                         print "<div style='float : right'>";
5134                                         print "<span class='updated'>$updated_fmt</span>";
5135                                         print "$score_pic";
5136
5137                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") && $line["feed_title"]) {
5138                                                 print "<span style=\"cursor : pointer\"
5139                                                         title=\"".htmlspecialchars($line["feed_title"])."\"
5140                                                         onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5141                                         }
5142                                         print "<div class=\"updPic\">$update_pic</div>";
5143
5144                                         print "</div>";
5145
5146                                         print "<input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5147                                                         'RROW-$id')\" id=\"RCHK-$id\"/>";
5148
5149                                         print "$marked_pic";
5150                                         print "$published_pic";
5151
5152                                         print "<span id=\"RTITLE-$id\"
5153                                                 onclick=\"return cdmClicked(event, $id);\"
5154                                                 class=\"titleWrap$hlc_suffix\">
5155                                                 <a class=\"title\"
5156                                                 title=\"".htmlspecialchars($line['title'])."\"
5157                                                 target=\"_blank\" href=\"".
5158                                                 htmlspecialchars($line["link"])."\">".
5159                                                 truncate_string($line["title"], 100) .
5160                                                 " $entry_author</a>";
5161
5162                                         print $labels_str;
5163
5164                                         if (!$expand_cdm)
5165                                                 $content_hidden = "style=\"display : none\"";
5166                                         else
5167                                                 $excerpt_hidden = "style=\"display : none\"";
5168
5169                                         print "<span $excerpt_hidden
5170                                                 id=\"CEXC-$id\" class=\"cdmExcerpt\"> - $content_preview</span>";
5171
5172                                         print "</span>";
5173
5174                                         print "</div>";
5175
5176                                         print "<div class=\"cdmContent\" $content_hidden
5177                                                 onclick=\"return cdmClicked(event, $id);\"
5178                                                 id=\"CICD-$id\">";
5179
5180                                         print "<div class=\"cdmContentInner\">";
5181
5182                         if ($line["orig_feed_id"]) {
5183
5184                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
5185                                         WHERE id = ".$line["orig_feed_id"]);
5186
5187                                                 if (db_num_rows($tmp_result) != 0) {
5188
5189                                                         print "<div clear='both'>";
5190                                                         print __("Originally from:");
5191
5192                                                         print "&nbsp;";
5193
5194                                                         $tmp_line = db_fetch_assoc($tmp_result);
5195
5196                                                         print "<a target='_blank'
5197                                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
5198                                                                 $tmp_line['title'] . "</a>";
5199
5200                                                         print "&nbsp;";
5201
5202                                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
5203                                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
5204
5205                                                         print "</div>";
5206                                                 }
5207                                         }
5208
5209                                         // FIXME: make this less of a hack
5210
5211                                         $feed_site_url = false;
5212
5213                                         if ($line["feed_id"]) {
5214                                                 $tmp_result = db_query($link, "SELECT site_url FROM ttrss_feeds
5215                                                         WHERE id = " . $line["feed_id"]);
5216
5217                                                 if (db_num_rows($tmp_result) == 1) {
5218                                                         $feed_site_url = db_fetch_result($tmp_result, 0, "site_url");
5219                                                 }
5220                                         }
5221
5222                                         if ($expand_cdm) {
5223                                                 $article_content = sanitize_rss($link, $line["content_preview"],
5224                                                         false, false, $feed_site_url);
5225
5226                                                 if (!$article_content) $article_content = "&nbsp;";
5227                                         } else {
5228                                                 $article_content = '';
5229                                         }
5230
5231                                         print "<div id=\"POSTNOTE-$id\">";
5232                                         if ($line['note']) {
5233                                                 print format_article_note($id, $line['note']);
5234                                         }
5235                                         print "</div>";
5236
5237                                         print "<span id=\"CWRAP-$id\">$article_content</span>";
5238
5239                                         $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5240                                                 ttrss_feeds WHERE id = ".
5241                                                 (($line['feed_id'] == null) ? $line['orig_feed_id'] :
5242                                                                 $line['feed_id'])." AND owner_uid = ".$_SESSION["uid"]);
5243
5244                                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($tmp_result,
5245                                                 0, "always_display_enclosures"));
5246
5247                                         print_article_enclosures($link, $id, $always_display_enclosures,
5248                                                 $article_content);
5249
5250                                         print "</div>";
5251
5252                                         print "<div class=\"cdmFooter\">";
5253
5254                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5255
5256                                         print "<img src='".theme_image($link,
5257                                                         'images/tag.png')."' alt='Tags' title='Tags'>
5258                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5259                                                 <a title=\"".__('Edit tags for this article')."\"
5260                                                 href=\"#\" onclick=\"editArticleTags($id, $feed_id, true)\">(+)</a>";
5261
5262                                         print "<div style=\"float : right\">";
5263
5264                                         print "<img src=\"images/art-zoom.png\"
5265                                                 onclick=\"zoomToArticle(event, $id)\"
5266                                                 style=\"cursor : pointer\"
5267                                                 alt='Zoom'
5268                                                 title='".__('Open article in new tab')."'>";
5269
5270                                         //$note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5271
5272                                         print "<img src=\"images/art-pub-note.png\"
5273                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5274                                                 onclick=\"editArticleNote($id)\"
5275                                                 alt='PubNote' title='".__('Edit article note')."'>";
5276
5277                                         if (DIGEST_ENABLE) {
5278                                                 print "<img src=\"".theme_image($link, 'images/art-email.png')."\"
5279                                                         style=\"cursor : pointer\"
5280                                                         onclick=\"emailArticle($id)\"
5281                                                         alt='Zoom' title='".__('Forward by email')."'>";
5282                                         }
5283
5284                                         if (ENABLE_TWEET_BUTTON) {
5285                                                 print "<img src=\"".theme_image($link, 'images/art-tweet.png')."\"
5286                                                         class='tagsPic' style=\"cursor : pointer\"
5287                                                         onclick=\"tweetArticle($id)\"
5288                                                         alt='Zoom' title='".__('Share on Twitter')."'>";
5289                                         }
5290
5291                                         print "<img src=\"images/digest_checkbox.png\"
5292                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5293                                                 onclick=\"dismissArticle($id)\"
5294                                                 alt='Dismiss' title='".__('Dismiss article')."'>";
5295
5296                                         print "</div>";
5297                                         print "</div>";
5298
5299                                         print "</div>";
5300
5301                                         print "</div>";
5302
5303                                 }
5304
5305                                 ++$lnum;
5306                         }
5307
5308                 } else {
5309                         $message = "";
5310
5311                         switch ($view_mode) {
5312                                 case "unread":
5313                                         $message = __("No unread articles found to display.");
5314                                         break;
5315                                 case "updated":
5316                                         $message = __("No updated articles found to display.");
5317                                         break;
5318                                 case "marked":
5319                                         $message = __("No starred articles found to display.");
5320                                         break;
5321                                 default:
5322                                         if ($feed < -10) {
5323                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5324                                         } else {
5325                                                 $message = __("No articles found to display.");
5326                                         }
5327                         }
5328
5329                         if (!$offset && $message) {
5330                                 print "<div class='whiteBox'>$message";
5331
5332                                 print "<p class=\"small\"><span class=\"insensitive\">";
5333
5334                                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
5335                                         WHERE owner_uid = " . $_SESSION['uid']);
5336
5337                                 $last_updated = db_fetch_result($result, 0, "last_updated");
5338                                 $last_updated = make_local_datetime($link, $last_updated, false);
5339
5340                                 printf(__("Feeds last updated at %s"), $last_updated);
5341
5342                                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
5343                                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
5344
5345                                 $num_errors = db_fetch_result($result, 0, "num_errors");
5346
5347                                 if ($num_errors > 0) {
5348                                         print "<br/>";
5349                                         print "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
5350                                                 __('Some feeds have update errors (click for details)')."</a>";
5351                                 }
5352                                 print "</span></p></div>";
5353                         }
5354                 }
5355
5356 #               if (!$offset) {
5357 #                       if ($headlines_count > 0) print "</div>";
5358 #                       print "</div>";
5359 #               }
5360
5361                 print "]]></content>";
5362
5363                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5364         }
5365
5366 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5367
5368         function printTagCloud($link) {
5369
5370                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5371                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5372                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5373
5374                 $result = db_query($link, $query);
5375
5376                 $tags = array();
5377
5378                 while ($line = db_fetch_assoc($result)) {
5379                         $tags[$line["tag_name"]] = $line["count"];
5380                 }
5381
5382                 ksort($tags);
5383
5384                 $max_size = 32; // max font size in pixels
5385                 $min_size = 11; // min font size in pixels
5386
5387                 // largest and smallest array values
5388                 $max_qty = max(array_values($tags));
5389                 $min_qty = min(array_values($tags));
5390
5391                 // find the range of values
5392                 $spread = $max_qty - $min_qty;
5393                 if ($spread == 0) { // we don't want to divide by zero
5394                                 $spread = 1;
5395                 }
5396
5397                 // set the font-size increment
5398                 $step = ($max_size - $min_size) / ($spread);
5399
5400                 // loop through the tag array
5401                 foreach ($tags as $key => $value) {
5402                         // calculate font-size
5403                         // find the $value in excess of $min_qty
5404                         // multiply by the font-size increment ($size)
5405                         // and add the $min_size set above
5406                         $size = round($min_size + (($value - $min_qty) * $step));
5407
5408                         $key_escaped = str_replace("'", "\\'", $key);
5409
5410                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5411                                 $size . "px\" title=\"$value articles tagged with " .
5412                                 $key . '">' . $key . '</a> ';
5413                 }
5414         }
5415
5416         function print_checkpoint($n, $s) {
5417                 $ts = getmicrotime();
5418                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5419                 return $ts;
5420         }
5421
5422         function sanitize_tag($tag) {
5423                 $tag = trim($tag);
5424
5425                 $tag = mb_strtolower($tag, 'utf-8');
5426
5427                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5428
5429 //              $tag = str_replace('"', "", $tag);
5430 //              $tag = str_replace("+", " ", $tag);
5431                 $tag = str_replace("technorati tag: ", "", $tag);
5432
5433                 return $tag;
5434         }
5435
5436         function get_self_url_prefix() {
5437
5438                 $url_path = "";
5439
5440                 if ($_SERVER['HTTPS'] != "on") {
5441                         $url_path = "http://";
5442                 } else {
5443                         $url_path = "https://";
5444                 }
5445
5446                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5447
5448                 return $url_path;
5449
5450         }
5451         function opml_publish_url($link){
5452
5453                 $url_path = get_self_url_prefix();
5454                 $url_path .= "/opml.php?op=publish&key=" .
5455                         get_feed_access_key($link, 'OPML:Publish', false, $_SESSION["uid"]);
5456
5457                 return $url_path;
5458         }
5459
5460         /**
5461          * Purge a feed contents, marked articles excepted.
5462          *
5463          * @param mixed $link The database connection.
5464          * @param integer $id The id of the feed to purge.
5465          * @return void
5466          */
5467         function clear_feed_articles($link, $id) {
5468
5469                 if ($id != 0) {
5470                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5471                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5472                 } else {
5473                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5474                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5475                 }
5476
5477                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5478                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5479
5480                 ccache_update($link, $id, $_SESSION['uid']);
5481         } // function clear_feed_articles
5482
5483         /**
5484          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5485          *
5486          * @return string The Mozilla Firefox feed adding URL.
5487          */
5488         function add_feed_url() {
5489                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5490                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5491                 return $url_path;
5492         } // function add_feed_url
5493
5494         /**
5495          * Encrypt a password in SHA1.
5496          *
5497          * @param string $pass The password to encrypt.
5498          * @param string $login A optionnal login.
5499          * @return string The encrypted password.
5500          */
5501         function encrypt_password($pass, $login = '') {
5502                 if ($login) {
5503                         return "SHA1X:" . sha1("$login:$pass");
5504                 } else {
5505                         return "SHA1:" . sha1($pass);
5506                 }
5507         } // function encrypt_password
5508
5509         /**
5510          * Update a feed batch.
5511          * Used by daemons to update n feeds by run.
5512          * Only update feed needing a update, and not being processed
5513          * by another process.
5514          *
5515          * @param mixed $link Database link
5516          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5517          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5518          * @param boolean $debug Set to false to disable debug output. Default to true.
5519          * @return void
5520          */
5521         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5522                 // Process all other feeds using last_updated and interval parameters
5523
5524                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5525                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5526                         if (DB_TYPE == "pgsql") {
5527                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5528                         } else {
5529                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5530                         }
5531                 } else {
5532                         $login_thresh_qpart = "";
5533                 }
5534
5535                 // Test if the feed need a update (update interval exceded).
5536                 if (DB_TYPE == "pgsql") {
5537                         $update_limit_qpart = "AND ((
5538                                         ttrss_feeds.update_interval = 0
5539                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5540                                 ) OR (
5541                                         ttrss_feeds.update_interval > 0
5542                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5543                                 ) OR ttrss_feeds.last_updated IS NULL)";
5544                 } else {
5545                         $update_limit_qpart = "AND ((
5546                                         ttrss_feeds.update_interval = 0
5547                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5548                                 ) OR (
5549                                         ttrss_feeds.update_interval > 0
5550                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5551                                 ) OR ttrss_feeds.last_updated IS NULL)";
5552                 }
5553
5554                 // Test if feed is currently being updated by another process.
5555                 if (DB_TYPE == "pgsql") {
5556                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5557                 } else {
5558                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5559                 }
5560
5561                 // Test if there is a limit to number of updated feeds
5562                 $query_limit = "";
5563                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5564
5565                 $random_qpart = sql_random_function();
5566
5567                 // We search for feed needing update.
5568                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5569                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5570                                 ttrss_feeds.update_interval
5571                         FROM
5572                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5573                         WHERE
5574                                 ttrss_feeds.owner_uid = ttrss_users.id
5575                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5576                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5577                                 $login_thresh_qpart $update_limit_qpart
5578                          $updstart_thresh_qpart
5579                         ORDER BY $random_qpart $query_limit");
5580
5581                 $user_prefs_cache = array();
5582
5583                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5584
5585                 // Here is a little cache magic in order to minimize risk of double feed updates.
5586                 $feeds_to_update = array();
5587                 while ($line = db_fetch_assoc($result)) {
5588                         $feeds_to_update[$line['id']] = $line;
5589                 }
5590
5591                 // We update the feed last update started date before anything else.
5592                 // There is no lag due to feed contents downloads
5593                 // It prevent an other process to update the same feed.
5594                 $feed_ids = array_keys($feeds_to_update);
5595                 if($feed_ids) {
5596                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5597                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5598                 }
5599
5600                 // For each feed, we call the feed update function.
5601                 while ($line = array_pop($feeds_to_update)) {
5602
5603                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5604
5605                         update_rss_feed($link, $line["id"], true);
5606
5607                         sleep(1); // prevent flood (FIXME make this an option?)
5608                 }
5609
5610                 // Send feed digests by email if needed.
5611                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5612
5613         } // function update_daemon_common
5614
5615         function sanitize_article_content($text) {
5616                 # we don't support CDATA sections in articles, they break our own escaping
5617                 $text = preg_replace("/\[\[CDATA/", "", $text);
5618                 $text = preg_replace("/\]\]\>/", "", $text);
5619                 return $text;
5620         }
5621
5622         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5623                 $filters = array();
5624
5625                 global $memcache;
5626
5627                 $obj_id = md5("FILTER:$feed:$owner_uid:$action_id");
5628
5629                 if ($memcache && $obj = $memcache->get($obj_id)) {
5630
5631                         return $obj;
5632
5633                 } else {
5634
5635                         if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5636
5637                         $result = db_query($link, "SELECT reg_exp,
5638                                 ttrss_filter_types.name AS name,
5639                                 ttrss_filter_actions.name AS action,
5640                                 inverse,
5641                                 action_param,
5642                                 filter_param
5643                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5644                                         enabled = true AND
5645                                         $ftype_query_part
5646                                         owner_uid = $owner_uid AND
5647                                         ttrss_filter_types.id = filter_type AND
5648                                         ttrss_filter_actions.id = action_id AND
5649                                         (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5650
5651                         while ($line = db_fetch_assoc($result)) {
5652                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5653                                         $filter["reg_exp"] = $line["reg_exp"];
5654                                         $filter["action"] = $line["action"];
5655                                         $filter["action_param"] = $line["action_param"];
5656                                         $filter["filter_param"] = $line["filter_param"];
5657                                         $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5658
5659                                         array_push($filters[$line["name"]], $filter);
5660                                 }
5661
5662                         if ($memcache) $memcache->add($obj_id, $filters, 0, 3600*8);
5663
5664                         return $filters;
5665                 }
5666         }
5667
5668         function get_score_pic($score) {
5669                 if ($score > 100) {
5670                         return "score_high.png";
5671                 } else if ($score > 0) {
5672                         return "score_half_high.png";
5673                 } else if ($score < -100) {
5674                         return "score_low.png";
5675                 } else if ($score < 0) {
5676                         return "score_half_low.png";
5677                 } else {
5678                         return "score_neutral.png";
5679                 }
5680         }
5681
5682         function rounded_table_start($classname, $header = "&nbsp;") {
5683                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5684                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5685                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5686         }
5687
5688         function rounded_table_end($footer = "&nbsp;") {
5689                 print "</td><td class='right'>&nbsp;</td></tr>";
5690                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5691                 print "</table>";
5692         }
5693
5694         function feed_has_icon($id) {
5695                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5696         }
5697
5698         function init_connection($link) {
5699                 if (DB_TYPE == "pgsql") {
5700                         pg_query($link, "set client_encoding = 'UTF-8'");
5701                         pg_set_client_encoding("UNICODE");
5702                         pg_query($link, "set datestyle = 'ISO, european'");
5703                         pg_query($link, "set TIME ZONE 0");
5704                 } else {
5705                         db_query($link, "SET time_zone = '+0:0'");
5706
5707                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5708                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5709         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5710                         }
5711                 }
5712         }
5713
5714         function update_feedbrowser_cache($link) {
5715
5716                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
5717                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5718                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5719                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
5720                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
5721
5722                 db_query($link, "BEGIN");
5723
5724                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5725
5726                 $count = 0;
5727
5728                 while ($line = db_fetch_assoc($result)) {
5729                         $subscribers = db_escape_string($line["subscribers"]);
5730                         $feed_url = db_escape_string($line["feed_url"]);
5731                         $title = db_escape_string($line["title"]);
5732
5733                         $tmp_result = db_query($link, "SELECT subscribers FROM
5734                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
5735
5736                         if (db_num_rows($tmp_result) == 0) {
5737
5738                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5739                                         (feed_url, title, subscribers) VALUES ('$feed_url',
5740                                                 '$title', '$subscribers')");
5741
5742                                 ++$count;
5743
5744                         }
5745
5746                 }
5747
5748                 db_query($link, "COMMIT");
5749
5750                 return $count;
5751
5752         }
5753
5754         function ccache_zero($link, $feed_id, $owner_uid) {
5755                 db_query($link, "UPDATE ttrss_counters_cache SET
5756                         value = 0, updated = NOW() WHERE
5757                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5758         }
5759
5760         function ccache_zero_all($link, $owner_uid) {
5761                 db_query($link, "UPDATE ttrss_counters_cache SET
5762                         value = 0 WHERE owner_uid = '$owner_uid'");
5763
5764                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
5765                         value = 0 WHERE owner_uid = '$owner_uid'");
5766         }
5767
5768         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
5769
5770                 if (!$is_cat) {
5771                         $table = "ttrss_counters_cache";
5772                 } else {
5773                         $table = "ttrss_cat_counters_cache";
5774                 }
5775
5776                 db_query($link, "DELETE FROM $table WHERE
5777                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5778
5779         }
5780
5781         function ccache_update_all($link, $owner_uid) {
5782
5783                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
5784
5785                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
5786                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5787
5788                         while ($line = db_fetch_assoc($result)) {
5789                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
5790                         }
5791
5792                         /* We have to manually include category 0 */
5793
5794                         ccache_update($link, 0, $owner_uid, true);
5795
5796                 } else {
5797                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
5798                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5799
5800                         while ($line = db_fetch_assoc($result)) {
5801                                 print ccache_update($link, $line["feed_id"], $owner_uid);
5802
5803                         }
5804
5805                 }
5806         }
5807
5808         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
5809                 $no_update = false) {
5810
5811                 if (!is_numeric($feed_id)) return;
5812
5813                 if (!$is_cat) {
5814                         $table = "ttrss_counters_cache";
5815                         if ($feed_id > 0) {
5816                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5817                                         WHERE id = '$feed_id'");
5818                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5819                         }
5820                 } else {
5821                         $table = "ttrss_cat_counters_cache";
5822                 }
5823
5824                 if (DB_TYPE == "pgsql") {
5825                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
5826                 } else if (DB_TYPE == "mysql") {
5827                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
5828                 }
5829
5830                 $result = db_query($link, "SELECT value FROM $table
5831                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
5832                         LIMIT 1");
5833
5834                 if (db_num_rows($result) == 1) {
5835                         return db_fetch_result($result, 0, "value");
5836                 } else {
5837                         if ($no_update) {
5838                                 return -1;
5839                         } else {
5840                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
5841                         }
5842                 }
5843
5844         }
5845
5846         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
5847                 $update_pcat = true) {
5848
5849                 if (!is_numeric($feed_id)) return;
5850
5851                 if (!$is_cat && $feed_id > 0) {
5852                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5853                                 WHERE id = '$feed_id'");
5854                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5855                 }
5856
5857                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
5858
5859                 /* When updating a label, all we need to do is recalculate feed counters
5860                  * because labels are not cached */
5861
5862                 if ($feed_id < 0) {
5863                         ccache_update_all($link, $owner_uid);
5864                         return;
5865                 }
5866
5867                 if (!$is_cat) {
5868                         $table = "ttrss_counters_cache";
5869                 } else {
5870                         $table = "ttrss_cat_counters_cache";
5871                 }
5872
5873                 if ($is_cat && $feed_id >= 0) {
5874                         if ($feed_id != 0) {
5875                                 $cat_qpart = "cat_id = '$feed_id'";
5876                         } else {
5877                                 $cat_qpart = "cat_id IS NULL";
5878                         }
5879
5880                         /* Recalculate counters for child feeds */
5881
5882                         $result = db_query($link, "SELECT id FROM ttrss_feeds
5883                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
5884
5885                         while ($line = db_fetch_assoc($result)) {
5886                                 ccache_update($link, $line["id"], $owner_uid, false, false);
5887                         }
5888
5889                         $result = db_query($link, "SELECT SUM(value) AS sv
5890                                 FROM ttrss_counters_cache, ttrss_feeds
5891                                 WHERE id = feed_id AND $cat_qpart AND
5892                                 ttrss_feeds.owner_uid = '$owner_uid'");
5893
5894                         $unread = (int) db_fetch_result($result, 0, "sv");
5895
5896                 } else {
5897                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
5898                 }
5899
5900                 db_query($link, "BEGIN");
5901
5902                 $result = db_query($link, "SELECT feed_id FROM $table
5903                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
5904
5905                 if (db_num_rows($result) == 1) {
5906                         db_query($link, "UPDATE $table SET
5907                                 value = '$unread', updated = NOW() WHERE
5908                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5909
5910                 } else {
5911                         db_query($link, "INSERT INTO $table
5912                                 (feed_id, value, owner_uid, updated)
5913                                 VALUES
5914                                 ($feed_id, $unread, $owner_uid, NOW())");
5915                 }
5916
5917                 db_query($link, "COMMIT");
5918
5919                 if ($feed_id > 0 && $prev_unread != $unread) {
5920
5921                         if (!$is_cat) {
5922
5923                                 /* Update parent category */
5924
5925                                 if ($update_pcat) {
5926
5927                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
5928                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
5929
5930                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
5931
5932                                         ccache_update($link, $cat_id, $owner_uid, true);
5933
5934                                 }
5935                         }
5936                 } else if ($feed_id < 0) {
5937                         ccache_update_all($link, $owner_uid);
5938                 }
5939
5940                 return $unread;
5941         }
5942
5943         function label_find_id($link, $label, $owner_uid) {
5944                 $result = db_query($link,
5945                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
5946                                 AND owner_uid = '$owner_uid' LIMIT 1");
5947
5948                 if (db_num_rows($result) == 1) {
5949                         return db_fetch_result($result, 0, "id");
5950                 } else {
5951                         return 0;
5952                 }
5953         }
5954
5955         function get_article_labels($link, $id) {
5956                 global $memcache;
5957
5958                 $obj_id = md5("LABELS:$id:" . $_SESSION["uid"]);
5959
5960                 $rv = array();
5961
5962                 if ($memcache && $obj = $memcache->get($obj_id)) {
5963                         return $obj;
5964                 } else {
5965
5966                         $result = db_query($link, "SELECT label_cache FROM
5967                                 ttrss_user_entries WHERE ref_id = '$id' AND owner_uid = " .
5968                                 $_SESSION["uid"]);
5969
5970                         $label_cache = db_fetch_result($result, 0, "label_cache");
5971
5972                         if ($label_cache) {
5973
5974                                 $label_cache = json_decode($label_cache, true);
5975
5976                                 if ($label_cache["no-labels"] == 1)
5977                                         return $rv;
5978                                 else
5979                                         return $label_cache;
5980                         }
5981
5982                         $result = db_query($link,
5983                                 "SELECT DISTINCT label_id,caption,fg_color,bg_color
5984                                         FROM ttrss_labels2, ttrss_user_labels2
5985                                 WHERE id = label_id
5986                                         AND article_id = '$id'
5987                                         AND owner_uid = ".$_SESSION["uid"] . "
5988                                 ORDER BY caption");
5989
5990                         while ($line = db_fetch_assoc($result)) {
5991                                 $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
5992                                         $line["bg_color"]);
5993                                 array_push($rv, $rk);
5994                         }
5995                         if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
5996
5997                         if (count($rv) > 0)
5998                                 label_update_cache($link, $id, $rv);
5999                         else
6000                                 label_update_cache($link, $id, array("no-labels" => 1));
6001                 }
6002
6003                 return $rv;
6004         }
6005
6006
6007         function label_find_caption($link, $label, $owner_uid) {
6008                 $result = db_query($link,
6009                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
6010                                 AND owner_uid = '$owner_uid' LIMIT 1");
6011
6012                 if (db_num_rows($result) == 1) {
6013                         return db_fetch_result($result, 0, "caption");
6014                 } else {
6015                         return "";
6016                 }
6017         }
6018
6019         function label_update_cache($link, $id, $labels = false, $force = false) {
6020
6021                 if ($force)
6022                         label_clear_cache($link, $id);
6023
6024                 if (!$labels)
6025                         $labels = get_article_labels($link, $id);
6026
6027                 $labels = db_escape_string(json_encode($labels));
6028
6029                 db_query($link, "UPDATE ttrss_user_entries SET
6030                         label_cache = '$labels' WHERE ref_id = '$id'");
6031
6032         }
6033
6034         function label_clear_cache($link, $id) {
6035
6036                 db_query($link, "UPDATE ttrss_user_entries SET
6037                         label_cache = '' WHERE ref_id = '$id'");
6038
6039         }
6040
6041         function label_remove_article($link, $id, $label, $owner_uid) {
6042
6043                 $label_id = label_find_id($link, $label, $owner_uid);
6044
6045                 if (!$label_id) return;
6046
6047                 $result = db_query($link,
6048                         "DELETE FROM ttrss_user_labels2
6049                         WHERE
6050                                 label_id = '$label_id' AND
6051                                 article_id = '$id'");
6052
6053                 label_clear_cache($link, $id);
6054         }
6055
6056         function label_add_article($link, $id, $label, $owner_uid) {
6057
6058                 global $memcache;
6059
6060                 if ($memcache) {
6061                         $obj_id = md5("LABELS:$id:$owner_uid");
6062                         $memcache->delete($obj_id);
6063                 }
6064
6065                 $label_id = label_find_id($link, $label, $owner_uid);
6066
6067                 if (!$label_id) return;
6068
6069                 $result = db_query($link,
6070                         "SELECT
6071                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6072                         WHERE
6073                                 label_id = id AND
6074                                 label_id = '$label_id' AND
6075                                 article_id = '$id' AND owner_uid = '$owner_uid'
6076                         LIMIT 1");
6077
6078                 if (db_num_rows($result) == 0) {
6079                         db_query($link, "INSERT INTO ttrss_user_labels2
6080                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6081                 }
6082
6083                 label_clear_cache($link, $id);
6084
6085         }
6086
6087         function label_remove($link, $id, $owner_uid) {
6088                 global $memcache;
6089
6090                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6091
6092                 if ($memcache) {
6093                         $obj_id = md5("LABELS:$id:$owner_uid");
6094                         $memcache->delete($obj_id);
6095                 }
6096
6097                 db_query($link, "BEGIN");
6098
6099                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6100                         WHERE id = '$id'");
6101
6102                 $caption = db_fetch_result($result, 0, "caption");
6103
6104                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6105                         AND owner_uid = " . $owner_uid);
6106
6107                 if (db_affected_rows($link, $result) != 0 && $caption) {
6108
6109                         /* Remove access key for the label */
6110
6111                         $ext_id = -11 - $id;
6112
6113                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6114                                 feed_id = '$ext_id' AND owner_uid = $owner_uid");
6115
6116                         /* Disable filters that reference label being removed */
6117
6118                         db_query($link, "UPDATE ttrss_filters SET
6119                                 enabled = false WHERE action_param = '$caption'
6120                                         AND action_id = 7
6121                                         AND owner_uid = " . $owner_uid);
6122
6123                         /* Remove cached data */
6124
6125                         db_query($link, "UPDATE ttrss_user_entries SET label_cache = ''
6126                                 WHERE label_cache LIKE '%$caption%' AND owner_uid = " . $owner_uid);
6127
6128                 }
6129
6130                 db_query($link, "COMMIT");
6131         }
6132
6133         function label_create($link, $caption) {
6134
6135                 db_query($link, "BEGIN");
6136
6137                 $result = false;
6138
6139                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6140                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6141
6142                 if (db_num_rows($result) == 0) {
6143                         $result = db_query($link,
6144                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
6145                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6146
6147                         $result = db_affected_rows($link, $result) != 0;
6148                 }
6149
6150                 db_query($link, "COMMIT");
6151
6152                 return $result;
6153         }
6154
6155         function print_labels_headlines_dropdown($link, $feed_id) {
6156                 print "<option value=\"addLabel()\">".__("Create label...")."</option>";
6157
6158                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6159                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6160
6161                 while ($line = db_fetch_assoc($result)) {
6162
6163                         $label_id = $line["id"];
6164                         $label_caption = $line["caption"];
6165                         $id = $line["id"];
6166
6167                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6168                                 print "<option id=\"LHDL-$id\"
6169                                         value=\"selectionRemoveLabel($label_id)\">".
6170                                         __('Remove:') . " $label_caption</option>";
6171                         } else {
6172                                 print "<option id=\"LHDL-$id\"
6173                                         value=\"selectionAssignLabel($label_id)\">".
6174                                         __('Assign:') . " $label_caption</option>";
6175                         }
6176                 }
6177         }
6178
6179         function format_tags_string($tags, $id) {
6180
6181                 $tags_str = "";
6182                 $tags_nolinks_str = "";
6183
6184                 $num_tags = 0;
6185
6186 /*              if (get_user_theme($link) == "3pane") {
6187                         $tag_limit = 3;
6188                 } else {
6189                         $tag_limit = 6;
6190                 } */
6191
6192                 $tag_limit = 6;
6193
6194                 $formatted_tags = array();
6195
6196                 foreach ($tags as $tag) {
6197                         $num_tags++;
6198                         $tag_escaped = str_replace("'", "\\'", $tag);
6199
6200                         if (mb_strlen($tag) > 30) {
6201                                 $tag = truncate_string($tag, 30);
6202                         }
6203
6204                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6205
6206                         array_push($formatted_tags, $tag_str);
6207
6208                         $tmp_tags_str = implode(", ", $formatted_tags);
6209
6210                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6211                                 break;
6212                         }
6213                 }
6214
6215                 $tags_str = implode(", ", $formatted_tags);
6216
6217                 if ($num_tags < count($tags)) {
6218                         $tags_str .= ", &hellip;";
6219                 }
6220
6221                 if ($num_tags == 0) {
6222                         $tags_str = __("no tags");
6223                 }
6224
6225                 return $tags_str;
6226
6227         }
6228
6229         function format_article_labels($labels, $id) {
6230
6231                 $labels_str = "";
6232
6233                 foreach ($labels as $l) {
6234                         $labels_str .= sprintf("<span class='hlLabelRef'
6235                                 style='color : %s; background-color : %s'>%s</span>",
6236                                         $l[2], $l[3], $l[1]);
6237                         }
6238
6239                 return $labels_str;
6240
6241         }
6242
6243         function format_article_note($id, $note) {
6244
6245                 $str = "<div class='articleNote' title=\"".__('edit note')."\"
6246                         onclick=\"editArticleNote($id)\">$note</div>";
6247
6248                 return $str;
6249         }
6250
6251         function toggle_collapse_cat($link, $cat_id, $mode) {
6252                 if ($cat_id > 0) {
6253                         $mode = bool_to_sql_bool($mode);
6254
6255                         db_query($link, "UPDATE ttrss_feed_categories SET
6256                                 collapsed = $mode WHERE id = '$cat_id' AND owner_uid = " .
6257                                 $_SESSION["uid"]);
6258                 } else {
6259                         $pref_name = '';
6260
6261                         switch ($cat_id) {
6262                         case -1:
6263                                 $pref_name = '_COLLAPSED_SPECIAL';
6264                                 break;
6265                         case -2:
6266                                 $pref_name = '_COLLAPSED_LABELS';
6267                                 break;
6268                         case 0:
6269                                 $pref_name = '_COLLAPSED_UNCAT';
6270                                 break;
6271                         }
6272
6273                         if ($pref_name) {
6274                                 if ($mode) {
6275                                         set_pref($link, $pref_name, 'true');
6276                                 } else {
6277                                         set_pref($link, $pref_name, 'false');
6278                                 }
6279                         }
6280                 }
6281         }
6282
6283         function remove_feed($link, $id, $owner_uid) {
6284
6285                 if ($id > 0) {
6286
6287                         /* save starred articles in Archived feed */
6288
6289                         db_query($link, "BEGIN");
6290
6291                         /* prepare feed if necessary */
6292
6293                         $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6294                                 WHERE id = '$id'");
6295
6296                         if (db_num_rows($result) == 0) {
6297                                 db_query($link, "INSERT INTO ttrss_archived_feeds
6298                                         (id, owner_uid, title, feed_url, site_url)
6299                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6300                                 WHERE id = '$id'");
6301                         }
6302
6303                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
6304                                 orig_feed_id = '$id' WHERE feed_id = '$id' AND
6305                                         marked = true AND owner_uid = $owner_uid");
6306
6307                         /* Remove access key for the feed */
6308
6309                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6310                                 feed_id = '$id' AND owner_uid = $owner_uid");
6311
6312                         /* remove the feed */
6313
6314                         db_query($link, "DELETE FROM ttrss_feeds
6315                                         WHERE id = '$id' AND owner_uid = $owner_uid");
6316
6317                         db_query($link, "COMMIT");
6318
6319 /*                      if (file_exists(ICONS_DIR . "/$id.ico")) {
6320                                 unlink(ICONS_DIR . "/$id.ico");
6321                         } */
6322
6323                         ccache_remove($link, $id, $owner_uid);
6324
6325                 } else {
6326                         label_remove($link, -11-$id, $owner_uid);
6327                         ccache_remove($link, -11-$id, $owner_uid);
6328                 }
6329         }
6330
6331         function add_feed_category($link, $feed_cat) {
6332
6333                 if (!$feed_cat) return false;
6334
6335                 db_query($link, "BEGIN");
6336
6337                 $result = db_query($link,
6338                         "SELECT id FROM ttrss_feed_categories
6339                         WHERE title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
6340
6341                 if (db_num_rows($result) == 0) {
6342
6343                         $result = db_query($link,
6344                                 "INSERT INTO ttrss_feed_categories (owner_uid,title)
6345                                 VALUES ('".$_SESSION["uid"]."', '$feed_cat')");
6346
6347                         db_query($link, "COMMIT");
6348
6349                         return true;
6350                 }
6351
6352                 return false;
6353         }
6354
6355         function remove_feed_category($link, $id, $owner_uid) {
6356
6357                 db_query($link, "DELETE FROM ttrss_feed_categories
6358                         WHERE id = '$id' AND owner_uid = $owner_uid");
6359
6360                 ccache_remove($link, $id, $owner_uid, true);
6361         }
6362
6363         function archive_article($link, $id, $owner_uid) {
6364                 db_query($link, "BEGIN");
6365
6366                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6367                         WHERE ref_id = '$id' AND owner_uid = $owner_uid");
6368
6369                 if (db_num_rows($result) != 0) {
6370
6371                         /* prepare the archived table */
6372
6373                         $feed_id = (int) db_fetch_result($result, 0, "feed_id");
6374
6375                         if ($feed_id) {
6376                                 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6377                                         WHERE id = '$feed_id'");
6378
6379                                 if (db_num_rows($result) == 0) {
6380                                         db_query($link, "INSERT INTO ttrss_archived_feeds
6381                                                 (id, owner_uid, title, feed_url, site_url)
6382                                         SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6383                                         WHERE id = '$feed_id'");
6384                                 }
6385
6386                                 db_query($link, "UPDATE ttrss_user_entries
6387                                         SET orig_feed_id = feed_id, feed_id = NULL
6388                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6389                         }
6390                 }
6391
6392                 db_query($link, "COMMIT");
6393         }
6394
6395         function getArticleFeed($link, $id) {
6396                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6397                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6398
6399                 if (db_num_rows($result) != 0) {
6400                         return db_fetch_result($result, 0, "feed_id");
6401                 } else {
6402                         return 0;
6403                 }
6404         }
6405
6406         function make_url_from_parts($parts) {
6407                 $url = $parts['scheme'] . '://' . $parts['host'];
6408
6409                 if ($parts['path']) $url .= $parts['path'];
6410                 if ($parts['query']) $url .= '?' . $parts['query'];
6411
6412                 return $url;
6413         }
6414
6415         /**
6416          * Fixes incomplete URLs by prepending "http://".
6417          * Also replaces feed:// with http://, and
6418          * prepends a trailing slash if the url is a domain name only.
6419          *
6420          * @param string $url Possibly incomplete URL
6421          *
6422          * @return string Fixed URL.
6423          */
6424         function fix_url($url) {
6425                 if (strpos($url, '://') === false) {
6426                         $url = 'http://' . $url;
6427                 } else if (substr($url, 0, 5) == 'feed:') {
6428                         $url = 'http:' . substr($url, 5);
6429                 }
6430
6431                 //prepend slash if the URL has no slash in it
6432                 // "http://www.example" -> "http://www.example/"
6433                 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
6434                         $url .= '/';
6435                 }
6436
6437                 if ($url != "http:///")
6438                         return $url;
6439                 else
6440                         return '';
6441         }
6442
6443         function validate_feed_url($url) {
6444                 $parts = parse_url($url);
6445
6446                 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
6447
6448         }
6449
6450         function get_article_enclosures($link, $id) {
6451
6452                 global $memcache;
6453
6454                 $query = "SELECT * FROM ttrss_enclosures
6455                         WHERE post_id = '$id' AND content_url != ''";
6456
6457                 $obj_id = md5("ENCLOSURES:$id");
6458
6459                 $rv = array();
6460
6461                 if ($memcache && $obj = $memcache->get($obj_id)) {
6462                         $rv = $obj;
6463                 } else {
6464                         $result = db_query($link, $query);
6465
6466                         if (db_num_rows($result) > 0) {
6467                                 while ($line = db_fetch_assoc($result)) {
6468                                         array_push($rv, $line);
6469                                 }
6470                                 if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6471                         }
6472                 }
6473
6474                 return $rv;
6475         }
6476
6477         function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset) {
6478
6479                         $feeds = array();
6480
6481                         /* Labels */
6482
6483                         if ($cat_id == -4 || $cat_id == -2) {
6484                                 $counters = getLabelCounters($link, true);
6485
6486                                 foreach (array_values($counters) as $cv) {
6487
6488                                         $unread = $cv["counter"];
6489
6490                                         if ($unread || !$unread_only) {
6491
6492                                                 $row = array(
6493                                                                 "id" => $cv["id"],
6494                                                                 "title" => $cv["description"],
6495                                                                 "unread" => $cv["counter"],
6496                                                                 "cat_id" => -2,
6497                                                         );
6498
6499                                                 array_push($feeds, $row);
6500                                         }
6501                                 }
6502                         }
6503
6504                         /* Virtual feeds */
6505
6506                         if ($cat_id == -4 || $cat_id == -1) {
6507                                 foreach (array(-1, -2, -3, -4, 0) as $i) {
6508                                         $unread = getFeedUnread($link, $i);
6509
6510                                         if ($unread || !$unread_only) {
6511                                                 $title = getFeedTitle($link, $i);
6512
6513                                                 $row = array(
6514                                                                 "id" => $i,
6515                                                                 "title" => $title,
6516                                                                 "unread" => $unread,
6517                                                                 "cat_id" => -1,
6518                                                         );
6519                                                 array_push($feeds, $row);
6520                                         }
6521
6522                                 }
6523                         }
6524
6525                         /* Real feeds */
6526
6527                         if ($limit) {
6528                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
6529                         } else {
6530                                 $limit_qpart = "";
6531                         }
6532
6533                         if ($cat_id == -4 || $cat_id == -3) {
6534                                 $result = db_query($link, "SELECT
6535                                         id, feed_url, cat_id, title, ".
6536                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6537                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
6538                                                 " ORDER BY cat_id, title " . $limit_qpart);
6539                         } else {
6540
6541                                 if ($cat_id)
6542                                         $cat_qpart = "cat_id = '$cat_id'";
6543                                 else
6544                                         $cat_qpart = "cat_id IS NULL";
6545
6546                                 $result = db_query($link, "SELECT
6547                                         id, feed_url, cat_id, title, ".
6548                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6549                                                 FROM ttrss_feeds WHERE
6550                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
6551                                                 " ORDER BY cat_id, title " . $limit_qpart);
6552                         }
6553
6554                         while ($line = db_fetch_assoc($result)) {
6555
6556                                 $unread = getFeedUnread($link, $line["id"]);
6557
6558                                 $has_icon = feed_has_icon($line['id']);
6559
6560                                 if ($unread || !$unread_only) {
6561
6562                                         $row = array(
6563                                                         "feed_url" => $line["feed_url"],
6564                                                         "title" => $line["title"],
6565                                                         "id" => (int)$line["id"],
6566                                                         "unread" => (int)$unread,
6567                                                         "has_icon" => $has_icon,
6568                                                         "cat_id" => (int)$line["cat_id"],
6569                                                         "last_updated" => strtotime($line["last_updated"])
6570                                                 );
6571
6572                                         array_push($feeds, $row);
6573                                 }
6574                         }
6575
6576                 return $feeds;
6577         }
6578
6579         function api_get_headlines($link, $feed_id, $limit, $offset,
6580                                         $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order) {
6581
6582                         /* do not rely on params below */
6583
6584                         $search = db_escape_string($_REQUEST["search"]);
6585                         $search_mode = db_escape_string($_REQUEST["search_mode"]);
6586                         $match_on = db_escape_string($_REQUEST["match_on"]);
6587
6588                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
6589                                 $view_mode, $is_cat, $search, $search_mode, $match_on,
6590                                 $order, $offset);
6591
6592                         $result = $qfh_ret[0];
6593                         $feed_title = $qfh_ret[1];
6594
6595                         $headlines = array();
6596
6597                         while ($line = db_fetch_assoc($result)) {
6598                                 $is_updated = ($line["last_read"] == "" &&
6599                                         ($line["unread"] != "t" && $line["unread"] != "1"));
6600
6601                                 $headline_row = array(
6602                                                 "id" => (int)$line["id"],
6603                                                 "unread" => sql_bool_to_bool($line["unread"]),
6604                                                 "marked" => sql_bool_to_bool($line["marked"]),
6605                                                 "published" => sql_bool_to_bool($line["published"]),
6606                                                 "updated" => strtotime($line["updated"]),
6607                                                 "is_updated" => $is_updated,
6608                                                 "title" => $line["title"],
6609                                                 "link" => $line["link"],
6610                                                 "feed_id" => $line["feed_id"],
6611                                                 "tags" => get_article_tags($link, $line["id"]),
6612                                         );
6613
6614                                 if ($show_excerpt) {
6615                                         $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
6616                                         $headline_row["excerpt"] = $excerpt;
6617                                 }
6618
6619                                 if ($show_content) {
6620                                         $headline_row["content"] = $line["content_preview"];
6621                                 }
6622
6623                                 array_push($headlines, $headline_row);
6624                         }
6625
6626                         return $headlines;
6627         }
6628
6629         function generate_dashboard_feed($link) {
6630                 print "<headlines id=\"-5\" is_cat=\"\">";
6631
6632                 print "<toolbar><![CDATA[]]></toolbar>";
6633
6634                 print '<content><![CDATA[';
6635
6636                 print "<div class='whiteBox'>".__('No feed selected.');
6637
6638                 print "<p class=\"small\"><span class=\"insensitive\">";
6639
6640                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
6641                         WHERE owner_uid = " . $_SESSION['uid']);
6642
6643                 $last_updated = db_fetch_result($result, 0, "last_updated");
6644                 $last_updated = make_local_datetime($link, $last_updated, false);
6645
6646                 printf(__("Feeds last updated at %s"), $last_updated);
6647
6648                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
6649                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
6650
6651                 $num_errors = db_fetch_result($result, 0, "num_errors");
6652
6653                 if ($num_errors > 0) {
6654                         print "<br/>";
6655                         print "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
6656                                 __('Some feeds have update errors (click for details)')."</a>";
6657                 }
6658                 print "</span></p>";
6659
6660                 print "]]></content>";
6661                 print "</headlines>";
6662
6663                 print "<headlines-info><![CDATA[";
6664
6665                 $info = array("count" => 0,
6666                         "vgroup_last_feed" => '',
6667                         "unread" => 0,
6668                         "disable_cache" => true);
6669
6670                 print json_encode($info);
6671
6672                 print "]]></headlines-info>";
6673
6674         }
6675
6676         function save_email_address($link, $email) {
6677                 // FIXME: implement persistent storage of emails
6678
6679                 if (!$_SESSION['stored_emails'])
6680                         $_SESSION['stored_emails'] = array();
6681
6682                 if (!in_array($email, $_SESSION['stored_emails']))
6683                         array_push($_SESSION['stored_emails'], $email);
6684         }
6685
6686         function update_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6687                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6688
6689                 $sql_is_cat = bool_to_sql_bool($is_cat);
6690
6691                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
6692                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
6693                         AND owner_uid = " . $owner_uid);
6694
6695                 if (db_num_rows($result) == 1) {
6696                         $key = db_escape_string(sha1(uniqid(rand(), true)));
6697
6698                         db_query($link, "UPDATE ttrss_access_keys SET access_key = '$key'
6699                                 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
6700                                 AND owner_uid = " . $owner_uid);
6701
6702                         return $key;
6703
6704                 } else {
6705                         return get_feed_access_key($link, $feed_id, $is_cat, $owner_uid);
6706                 }
6707         }
6708
6709         function get_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6710
6711                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6712
6713                 $sql_is_cat = bool_to_sql_bool($is_cat);
6714
6715                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
6716                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
6717                         AND owner_uid = " . $owner_uid);
6718
6719                 if (db_num_rows($result) == 1) {
6720                         return db_fetch_result($result, 0, "access_key");
6721                 } else {
6722                         $key = db_escape_string(sha1(uniqid(rand(), true)));
6723
6724                         $result = db_query($link, "INSERT INTO ttrss_access_keys
6725                                 (access_key, feed_id, is_cat, owner_uid)
6726                                 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
6727
6728                         return $key;
6729                 }
6730                 return false;
6731         }
6732
6733         /**
6734          * Extracts RSS/Atom feed URLs from the given HTML URL.
6735          *
6736          * @param string $url HTML page URL
6737          *
6738          * @return array Array of feeds. Key is the full URL, value the title
6739          */
6740         function get_feeds_from_html($url)
6741         {
6742                 $url     = fix_url($url);
6743                 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
6744
6745                 libxml_use_internal_errors(true);
6746
6747                 $doc = new DOMDocument();
6748                 $doc->loadHTMLFile($url);
6749                 $xpath = new DOMXPath($doc);
6750                 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
6751                 $feedUrls = array();
6752                 foreach ($entries as $entry) {
6753                         if ($entry->hasAttribute('href')) {
6754                                 $title = $entry->getAttribute('title');
6755                                 if ($title == '') {
6756                                         $title = $entry->getAttribute('type');
6757                                 }
6758                                 $feedUrl = rewrite_relative_url(
6759                                         $baseUrl, $entry->getAttribute('href')
6760                                 );
6761                                 $feedUrls[$feedUrl] = $title;
6762                         }
6763                 }
6764                 return $feedUrls;
6765         }
6766
6767         /**
6768          * Checks if the content behind the given URL is a HTML file
6769          *
6770          * @param string $url URL to check
6771          *
6772          * @return boolean True if the URL contains HTML content
6773          */
6774         function url_is_html($url) {
6775                 $content = substr(fetch_file_contents($url, false), 0, 1000);
6776                 if (stripos($content, '<html>') === false
6777                         && stripos($content, '<html ') === false
6778                 ) {
6779                         return false;
6780                 }
6781
6782                 return true;
6783         }
6784
6785         function print_label_select($link, $name, $value, $attributes = "") {
6786
6787                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6788                         WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6789
6790                 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
6791                         "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
6792
6793                 while ($line = db_fetch_assoc($result)) {
6794
6795                         $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
6796
6797                         print "<option value=\"".htmlspecialchars($line["caption"])."\"
6798                                 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
6799
6800                 }
6801
6802 #               print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
6803
6804                 print "</select>";
6805
6806
6807         }
6808
6809         function print_article_enclosures($link, $id, $always_display_enclosures,
6810                                         $article_content) {
6811
6812                 $result = get_article_enclosures($link, $id);
6813
6814                 if (count($result) > 0) {
6815
6816                         $entries_html = array();
6817                         $entries = array();
6818
6819                         foreach ($result as $line) {
6820
6821                                 $url = $line["content_url"];
6822                                 $ctype = $line["content_type"];
6823
6824                                 if (!$ctype) $ctype = __("unknown type");
6825
6826 #                               $filename = substr($url, strrpos($url, "/")+1);
6827
6828                                 $entry = format_inline_player($link, $url, $ctype);
6829
6830 #                               $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
6831 #                                       $filename . " (" . $ctype . ")" . "</a>";
6832
6833                                 array_push($entries_html, $entry);
6834
6835                                 $entry = array();
6836
6837                                 $entry["type"] = $ctype;
6838                                 $entry["filename"] = $filename;
6839                                 $entry["url"] = $url;
6840
6841                                 array_push($entries, $entry);
6842                         }
6843
6844                         print "<div class=\"postEnclosures\">";
6845
6846                         if (!get_pref($link, "STRIP_IMAGES")) {
6847                                 if ($always_display_enclosures ||
6848                                                         !preg_match("/<img/i", $article_content)) {
6849
6850                                         foreach ($entries as $entry) {
6851
6852                                                 if (preg_match("/image/", $entry["type"]) ||
6853                                                                 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
6854
6855                                                                 print "<p><img
6856                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
6857                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
6858                                                 }
6859                                         }
6860                                 }
6861                         }
6862
6863                         if (count($entries) == 1) {
6864                                 print __("Attachment:") . " ";
6865                         } else {
6866                                 print __("Attachments:") . " ";
6867                         }
6868
6869                         print join(", ", $entries_html);
6870
6871                         print "</div>";
6872                 }
6873         }
6874
6875         function getLastArticleId($link) {
6876                 $result = db_query($link, "SELECT MAX(ref_id) AS id FROM ttrss_user_entries
6877                         WHERE owner_uid = " . $_SESSION["uid"]);
6878
6879                 if (db_num_rows($result) == 1) {
6880                         return db_fetch_result($result, 0, "id");
6881                 } else {
6882                         return -1;
6883                 }
6884         }
6885
6886         function build_url($parts) {
6887                 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
6888         }
6889
6890         /**
6891          * Converts a (possibly) relative URL to a absolute one.
6892          *
6893          * @param string $url     Base URL (i.e. from where the document is)
6894          * @param string $rel_url Possibly relative URL in the document
6895          *
6896          * @return string Absolute URL
6897          */
6898         function rewrite_relative_url($url, $rel_url) {
6899                 if (strpos($rel_url, "://") !== false) {
6900                         return $rel_url;
6901                 } else if (strpos($rel_url, "/") === 0)
6902                 {
6903                         $parts = parse_url($url);
6904                         $parts['path'] = $rel_url;
6905
6906                         return build_url($parts);
6907
6908                 } else {
6909                         $parts = parse_url($url);
6910                         if (!isset($parts['path'])) {
6911                                 $parts['path'] = '/';
6912                         }
6913                         $dir = $parts['path'];
6914                         if (substr($dir, -1) !== '/') {
6915                                 $dir = dirname($parts['path']);
6916                                 $dir !== '/' && $dir .= '/';
6917                         }
6918                         $parts['path'] = $dir . $rel_url;
6919
6920                         return build_url($parts);
6921                 }
6922         }
6923
6924         function sphinx_search($query, $offset = 0, $limit = 30) {
6925                 $sphinxClient = new SphinxClient();
6926
6927                 $sphinxClient->SetServer('localhost', 9312);
6928                 $sphinxClient->SetConnectTimeout(1);
6929
6930                 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
6931                         'feed_title' => 20));
6932
6933                 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
6934                 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
6935                 $sphinxClient->SetLimits($offset, $limit, 1000);
6936                 $sphinxClient->SetArrayResult(false);
6937                 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
6938
6939                 $result = $sphinxClient->Query($query, SPHINX_INDEX);
6940
6941                 $ids = array();
6942
6943                 if (is_array($result['matches'])) {
6944                         foreach (array_keys($result['matches']) as $int_id) {
6945                                 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
6946                                 array_push($ids, $ref_id);
6947                         }
6948                 }
6949
6950                 return $ids;
6951         }
6952
6953         function cleanup_tags($link, $days = 14, $limit = 1000) {
6954
6955                 if (DB_TYPE == "pgsql") {
6956                         $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
6957                 } else if (DB_TYPE == "mysql") {
6958                         $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
6959                 }
6960
6961                 $tags_deleted = 0;
6962
6963                 while ($limit > 0) {
6964                         $limit_part = 500;
6965
6966                         $query = "SELECT ttrss_tags.id AS id
6967                                 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
6968                                 WHERE post_int_id = int_id AND $interval_query AND
6969                                 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
6970
6971                         $result = db_query($link, $query);
6972
6973                         $ids = array();
6974
6975                         while ($line = db_fetch_assoc($result)) {
6976                                 array_push($ids, $line['id']);
6977                         }
6978
6979                         if (count($ids) > 0) {
6980                                 $ids = join(",", $ids);
6981                                 print ".";
6982
6983                                 $tmp_result = db_query($link, "DELETE FROM ttrss_tags WHERE id IN ($ids)");
6984                                 $tags_deleted += db_affected_rows($link, $tmp_result);
6985                         } else {
6986                                 break;
6987                         }
6988
6989                         $limit -= $limit_part;
6990                 }
6991
6992                 print "\n";
6993
6994                 return $tags_deleted;
6995         }
6996
6997         function feedlist_init_cat($link, $cat_id, $hidden = false) {
6998                 $obj = array();
6999                 $cat_id = (int) $cat_id;
7000
7001                 if ($cat_id > 0) {
7002                         $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
7003                 } else if ($cat_id == 0 || $cat_id == -2) {
7004                         $cat_unread = getCategoryUnread($link, $cat_id);
7005                 }
7006
7007                 $obj['id'] = 'CAT:' . $cat_id;
7008                 $obj['items'] = array();
7009                 $obj['name'] = getCategoryTitle($link, $cat_id);
7010                 $obj['type'] = 'feed';
7011                 $obj['unread'] = (int) $cat_unread;
7012                 $obj['hidden'] = $hidden;
7013                 $obj['bare_id'] = $cat_id;
7014
7015                 return $obj;
7016         }
7017
7018         function feedlist_init_feed($link, $feed_id, $title = false, $unread = false, $error = '', $updated = '') {
7019                 $obj = array();
7020                 $feed_id = (int) $feed_id;
7021
7022                 if (!$title)
7023                         $title = getFeedTitle($link, $feed_id, false);
7024
7025                 if ($unread === false)
7026                         $unread = getFeedUnread($link, $feed_id, false);
7027
7028                 $obj['id'] = 'FEED:' . $feed_id;
7029                 $obj['name'] = $title;
7030                 $obj['unread'] = (int) $unread;
7031                 $obj['type'] = 'feed';
7032                 $obj['error'] = $error;
7033                 $obj['updated'] = $updated;
7034                 $obj['icon'] = getFeedIcon($feed_id);
7035                 $obj['bare_id'] = $feed_id;
7036
7037                 return $obj;
7038         }
7039
7040         function fetch_twitter_rss($link, $url, $owner_uid) {
7041                 $result = db_query($link, "SELECT twitter_oauth FROM ttrss_users
7042                         WHERE id = $owner_uid");
7043
7044                 $access_token = json_decode(db_fetch_result($result, 0, 'twitter_oauth'), true);
7045
7046                 if ($access_token) {
7047
7048                         /* Create a TwitterOauth object with consumer/user tokens. */
7049                         $connection = new TwitterOAuth(CONSUMER_KEY, CONSUMER_SECRET, $access_token['oauth_token'], $access_token['oauth_token_secret']);
7050
7051                         /* If method is set change API call made. Test is called by default. */
7052                         $content = $connection->get($url);
7053
7054                         $rss = new MagpieRSS($content, MAGPIE_OUTPUT_ENCODING,
7055                                 MAGPIE_INPUT_ENCODING, MAGPIE_DETECT_ENCODING );
7056
7057                         return $rss;
7058                 } else {
7059                         return false;
7060                 }
7061         }
7062
7063         function print_user_stylesheet($link) {
7064                 $value = get_pref($link, 'USER_STYLESHEET');
7065
7066                 if ($value) {
7067                         print "<style type=\"text/css\">";
7068                         print str_replace("<br/>", "\n", $value);
7069                         print "</style>";
7070                 }
7071
7072         }
7073
7074         function rewrite_urls($line) {
7075                 global $url_regex;
7076
7077                 $urls = null;
7078
7079                 $result = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
7080                         "<a target=\"_blank\" href=\"\\1\">\\1</a>", $line);
7081
7082                 return $result;
7083         }
7084
7085 ?>