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 'compat.php';
 107         require_once 'errors.php';
 108         require_once 'version.php';
 109
 110         require_once 'lib/phpmailer/class.phpmailer.php';
 111         require_once 'lib/sphinxapi.php';
 112         require_once 'lib/twitteroauth/twitteroauth.php';
 113
 114         //define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
 115         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
 116         define('MAGPIE_CACHE_AGE', 60*15); // 15 minutes
 117
 118         define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
 119         define('MAGPIE_USER_AGENT', SELF_USER_AGENT);
 120
 121         ini_set('user_agent', SELF_USER_AGENT);
 122
 123         require_once "lib/simplepie/simplepie.inc";
 124         require_once "lib/magpierss/rss_fetch.inc";
 125         require_once 'lib/magpierss/rss_utils.inc';
 126         require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
 127
 128         $config = HTMLPurifier_Config::createDefault();
 129
 130         $allowed = "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4";
 131
 132         $config->set('HTML', 'Allowed', $allowed);
 133         $purifier = new HTMLPurifier($config);
 134
 135         /**
 136          * Print a timestamped debug message.
 137          *
 138          * @param string $msg The debug message.
 139          * @return void
 140          */
 141         function _debug($msg) {
 142                 $ts = strftime("%H:%M:%S", time());
 143                 if (function_exists('posix_getpid')) {
 144                         $ts = "$ts/" . posix_getpid();
 145                 }
 146                 print "[$ts] $msg\n";
 147         } // function _debug
 148
 149         /**
 150          * Purge a feed old posts.
 151          *
 152          * @param mixed $link A database connection.
 153          * @param mixed $feed_id The id of the purged feed.
 154          * @param mixed $purge_interval Olderness of purged posts.
 155          * @param boolean $debug Set to True to enable the debug. False by default.
 156          * @access public
 157          * @return void
 158          */
 159         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 160
 161                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 162
 163                 $rows = -1;
 164
 165                 $result = db_query($link,
 166                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 167
 168                 $owner_uid = false;
 169
 170                 if (db_num_rows($result) == 1) {
 171                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 172                 }
 173
 174                 if ($purge_interval == -1 || !$purge_interval) {
 175                         if ($owner_uid) {
 176                                 ccache_update($link, $feed_id, $owner_uid);
 177                         }
 178                         return;
 179                 }
 180
 181                 if (!$owner_uid) return;
 182
 183                 if (FORCE_ARTICLE_PURGE == 0) {
 184                         $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 185                                 $owner_uid, false);
 186                 } else {
 187                         $purge_unread = true;
 188                         $purge_interval = FORCE_ARTICLE_PURGE;
 189                 }
 190
 191                 if (!$purge_unread) $query_limit = " unread = false AND ";
 192
 193                 if (DB_TYPE == "pgsql") {
 194 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 195                                 marked = false AND feed_id = '$feed_id' AND
 196                                 (SELECT date_updated FROM ttrss_entries WHERE
 197                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
 198
 199                         $pg_version = get_pgsql_version($link);
 200
 201                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 202
 203                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 204                                         ttrss_entries.id = ref_id AND
 205                                         marked = false AND
 206                                         feed_id = '$feed_id' AND
 207                                         $query_limit
 208                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 209
 210                         } else {
 211
 212                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 213                                         USING ttrss_entries
 214                                         WHERE ttrss_entries.id = ref_id AND
 215                                         marked = false AND
 216                                         feed_id = '$feed_id' AND
 217                                         $query_limit
 218                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 219                         }
 220
 221                         $rows = pg_affected_rows($result);
 222
 223                 } else {
 224
 225 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 226                                 marked = false AND feed_id = '$feed_id' AND
 227                                 (SELECT date_updated FROM ttrss_entries WHERE
 228                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 229
 230                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 231                                 USING ttrss_user_entries, ttrss_entries
 232                                 WHERE ttrss_entries.id = ref_id AND
 233                                 marked = false AND
 234                                 feed_id = '$feed_id' AND
 235                                 $query_limit
 236                                 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 237
 238                         $rows = mysql_affected_rows($link);
 239
 240                 }
 241
 242                 ccache_update($link, $feed_id, $owner_uid);
 243
 244                 if ($debug) {
 245                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 246                 }
 247         } // function purge_feed
 248
 249         /**
 250          * Purge old posts from old feeds. Not used anymore, purging is done after feed update.
 251          *
 252          * @param mixed $link A database connection
 253          * @param boolean $do_output Set to true to enable printed output, false by default.
 254          * @param integer $limit The maximal number of removed posts.
 255          * @access public
 256          * @return void
 257          */
 258         /* function global_purge_old_posts($link, $do_output = false, $limit = false) {
 259
 260                 $random_qpart = sql_random_function();
 261
 262                 if ($limit) {
 263                         $limit_qpart = "LIMIT $limit";
 264                 } else {
 265                         $limit_qpart = "";
 266                 }
 267
 268                 $result = db_query($link,
 269                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 270                                 ORDER BY $random_qpart $limit_qpart");
 271
 272                 while ($line = db_fetch_assoc($result)) {
 273
 274                         $feed_id = $line["id"];
 275                         $purge_interval = $line["purge_interval"];
 276                         $owner_uid = $line["owner_uid"];
 277
 278                         if ($purge_interval == 0) {
 279
 280                                 $tmp_result = db_query($link,
 281                                         "SELECT value FROM ttrss_user_prefs WHERE
 282                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 283
 284                                 if (db_num_rows($tmp_result) != 0) {
 285                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 286                                 }
 287                         }
 288
 289                         if ($do_output) {
 290 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 291                         }
 292
 293                         if ($purge_interval > 0 || FORCE_ARTICLE_PURGE) {
 294                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 295                         }
 296                 }
 297
 298                 purge_orphans($link, $do_output);
 299
 300         } // function global_purge_old_posts */
 301
 302         function feed_purge_interval($link, $feed_id) {
 303
 304                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 305                         WHERE id = '$feed_id'");
 306
 307                 if (db_num_rows($result) == 1) {
 308                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 309                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 310
 311                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 312                                 'PURGE_OLD_DAYS', $owner_uid);
 313
 314                         return $purge_interval;
 315
 316                 } else {
 317                         return -1;
 318                 }
 319         }
 320
 321         function purge_old_posts($link) {
 322
 323                 $user_id = $_SESSION["uid"];
 324
 325                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 326                         WHERE owner_uid = '$user_id'");
 327
 328                 while ($line = db_fetch_assoc($result)) {
 329
 330                         $feed_id = $line["id"];
 331                         $purge_interval = $line["purge_interval"];
 332
 333                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 334
 335                         if ($purge_interval > 0) {
 336                                 purge_feed($link, $feed_id, $purge_interval);
 337                         }
 338                 }
 339
 340                 purge_orphans($link);
 341         }
 342
 343         function purge_orphans($link, $do_output = false) {
 344
 345                 // purge orphaned posts in main content table
 346                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 347                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 348
 349                 if ($do_output) {
 350                         $rows = db_affected_rows($link, $result);
 351                         _debug("Purged $rows orphaned posts.");
 352                 }
 353         }
 354
 355         function get_feed_update_interval($link, $feed_id) {
 356                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 357                         ttrss_feeds WHERE id = '$feed_id'");
 358
 359                 if (db_num_rows($result) == 1) {
 360                         $update_interval = db_fetch_result($result, 0, "update_interval");
 361                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 362
 363                         if ($update_interval != 0) {
 364                                 return $update_interval;
 365                         } else {
 366                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 367                         }
 368
 369                 } else {
 370                         return -1;
 371                 }
 372         }
 373
 374         function fetch_file_contents($url, $type = false) {
 375                 if (USE_CURL_FOR_ICONS) {
 376                         $ch = curl_init($url);
 377
 378                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 379                         curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 380                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
 381                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
 382                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 383                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 384
 385                         $contents = @curl_exec($ch);
 386                         if ($contents === false) {
 387                                 curl_close($ch);
 388                                 return false;
 389                         }
 390
 391                         $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 392                         curl_close($ch);
 393
 394                         if ($type && strpos($content_type, "$type") === false) {
 395                                 return false;
 396                         }
 397
 398                         return $contents;
 399                 } else {
 400                         return @file_get_contents($url);
 401                 }
 402
 403         }
 404
 405         /**
 406          * Try to determine the favicon URL for a feed.
 407          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 408          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 409          *
 410          * @param string $url A feed or page URL
 411          * @access public
 412          * @return mixed The favicon URL, or false if none was found.
 413          */
 414         function get_favicon_url($url) {
 415
 416                 $favicon_url = false;
 417
 418                 if ($html = @fetch_file_contents($url)) {
 419
 420                         libxml_use_internal_errors(true);
 421
 422                         $doc = new DOMDocument();
 423                         $doc->loadHTML($html);
 424                         $xpath = new DOMXPath($doc);
 425                         $entries = $xpath->query('/html/head/link[@rel="shortcut icon"]');
 426
 427                         if (count($entries) > 0) {
 428                                 foreach ($entries as $entry) {
 429                                         $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
 430                                         break;
 431                                 }
 432                         }
 433                 }
 434
 435                 if (!$favicon_url)
 436                         $favicon_url = rewrite_relative_url($url, "/favicon.ico");
 437
 438                 // Run a test to see if what we have attempted to get actually exists.
 439                 if(USE_CURL_FOR_ICONS || url_validate($favicon_url)) {
 440                         return $favicon_url;
 441                 } else {
 442                         return false;
 443                 }
 444         } // function get_favicon_url
 445
 446         /**
 447          * Check if a link is a valid and working URL.
 448          *
 449          * @param mixed $link A URL to check
 450          * @access public
 451          * @return boolean True if the URL is valid, false otherwise.
 452          */
 453         function url_validate($link) {
 454
 455                 $url_parts = @parse_url($link);
 456
 457                 if ( empty( $url_parts["host"] ) )
 458                                 return false;
 459
 460                 if ( !empty( $url_parts["path"] ) ) {
 461                                 $documentpath = $url_parts["path"];
 462                 } else {
 463                                 $documentpath = "/";
 464                 }
 465
 466                 if ( !empty( $url_parts["query"] ) )
 467                                 $documentpath .= "?" . $url_parts["query"];
 468
 469                 $host = $url_parts["host"];
 470                 $port = $url_parts["port"];
 471
 472                 if ( empty($port) )
 473                                 $port = "80";
 474
 475                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 476
 477                 if ( !$socket )
 478                                 return false;
 479
 480                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 481
 482                 $http_response = fgets( $socket, 22 );
 483
 484                 $responses = "/(200 OK)|(30[123])/";
 485                 if ( preg_match($responses, $http_response) ) {
 486                                 fclose($socket);
 487                                 return true;
 488                 } else {
 489                                 return false;
 490                 }
 491
 492         } // function url_validate
 493
 494         function check_feed_favicon($site_url, $feed, $link) {
 495                 $favicon_url = get_favicon_url($site_url);
 496
 497 #               print "FAVICON [$site_url]: $favicon_url\n";
 498
 499                 $icon_file = ICONS_DIR . "/$feed.ico";
 500
 501                 if ($favicon_url && !file_exists($icon_file)) {
 502                         $contents = fetch_file_contents($favicon_url, "image");
 503
 504                         if ($contents) {
 505                                 $fp = fopen($icon_file, "w");
 506
 507                                 if ($fp) {
 508                                         fwrite($fp, $contents);
 509                                         fclose($fp);
 510                                         chmod($icon_file, 0644);
 511                                 }
 512                         }
 513                 }
 514         }
 515
 516         function update_rss_feed($link, $feed, $ignore_daemon = false) {
 517
 518                 global $memcache;
 519
 520                 /* Update all feeds with the same URL to utilize memcache */
 521
 522                 if ($memcache) {
 523                         $result = db_query($link, "SELECT f1.id
 524                                 FROM ttrss_feeds AS f1, ttrss_feeds AS f2
 525                                 WHERE   f2.feed_url = f1.feed_url AND f2.id = '$feed'");
 526
 527                         while ($line = db_fetch_assoc($result)) {
 528                                 update_rss_feed_real($link, $line["id"], $ignore_daemon);
 529                         }
 530                 } else {
 531                         update_rss_feed_real($link, $feed, $ignore_daemon);
 532                 }
 533         }
 534
 535         function update_rss_feed_real($link, $feed, $ignore_daemon = false) {
 536
 537                 global $memcache;
 538
 539                 if (!$_REQUEST["daemon"] && !$ignore_daemon) {
 540                         return false;
 541                 }
 542
 543                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 544                         _debug("update_rss_feed: start");
 545                 }
 546
 547                 if (!$ignore_daemon) {
 548
 549                         if (DB_TYPE == "pgsql") {
 550                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 551                                 } else {
 552                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 553                                 }
 554
 555                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 556                                 auth_pass,cache_images,update_method
 557                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 558
 559                 } else {
 560
 561                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 562                                 feed_url,auth_pass,cache_images,update_method,last_updated,
 563                                 owner_uid
 564                                 FROM ttrss_feeds WHERE id = '$feed'");
 565
 566                 }
 567
 568                 if (db_num_rows($result) == 0) {
 569                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 570                                 _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED");
 571                         }
 572                         return false;
 573                 }
 574
 575                 $update_method = db_fetch_result($result, 0, "update_method");
 576                 $last_updated = db_fetch_result($result, 0, "last_updated");
 577                 $owner_uid = db_fetch_result($result, 0, "owner_uid");
 578
 579                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 580                         WHERE id = '$feed'");
 581
 582                 $auth_login = db_fetch_result($result, 0, "auth_login");
 583                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 584
 585                 if ($update_method == 0)
 586                         $update_method = DEFAULT_UPDATE_METHOD + 1;
 587
 588                 // 1 - Magpie
 589                 // 2 - SimplePie
 590                 // 3 - Twitter OAuth
 591
 592                 if ($update_method == 2)
 593                         $use_simplepie = true;
 594                 else
 595                         $use_simplepie = false;
 596
 597                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 598                         _debug("update method: $update_method (feed setting: $update_method) (use simplepie: $use_simplepie)\n");
 599                 }
 600
 601                 if ($update_method == 1) {
 602                         $auth_login = urlencode($auth_login);
 603                         $auth_pass = urlencode($auth_pass);
 604                 }
 605
 606                 $update_interval = db_fetch_result($result, 0, "update_interval");
 607                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 608                 $fetch_url = db_fetch_result($result, 0, "feed_url");
 609
 610                 if ($update_interval < 0) { return; }
 611
 612                 $feed = db_escape_string($feed);
 613
 614                 if ($auth_login && $auth_pass && $updated != 3) {
 615                         $url_parts = array();
 616                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 617
 618                         if ($url_parts[1] && $url_parts[2]) {
 619                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 620                         }
 621
 622                 }
 623
 624                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 625                         _debug("update_rss_feed: fetching [$fetch_url]...");
 626                 }
 627
 628                 $obj_id = md5("FDATA:$use_simplepie:$fetch_url");
 629
 630                 if ($memcache && $obj = $memcache->get($obj_id)) {
 631
 632                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 633                                 _debug("update_rss_feed: data found in memcache.");
 634                         }
 635
 636                         $rss = $obj;
 637
 638                 } else {
 639
 640                         if ($update_method == 3) {
 641                                 $rss = fetch_twitter_rss($link, $fetch_url, $owner_uid);
 642                                         } else if ($update_method == 1) {
 643                                 $rss = @fetch_rss($fetch_url);
 644                         } else {
 645                                 if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 646                                         mkdir(SIMPLEPIE_CACHE_DIR);
 647                                 }
 648
 649                                 $rss = new SimplePie();
 650                                 $rss->set_useragent(SELF_USER_AGENT);
 651         #                       $rss->set_timeout(10);
 652                                 $rss->set_feed_url($fetch_url);
 653                                 $rss->set_output_encoding('UTF-8');
 654
 655                                 if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 656                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 657                                                 _debug("enabling image cache");
 658                                         }
 659
 660                                         $rss->set_image_handler('./image.php', 'i');
 661                                 }
 662
 663                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 664                                         _debug("feed update interval (sec): " .
 665                                                 get_feed_update_interval($link, $feed)*60);
 666                                 }
 667
 668                                 if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 669                                         $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 670                                         $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 671                                 }
 672
 673                                 $rss->init();
 674                         }
 675
 676                         if ($memcache && $rss) $memcache->add($obj_id, $rss, 0, 300);
 677                 }
 678
 679 //              print_r($rss);
 680
 681                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 682                         _debug("update_rss_feed: fetch done, parsing...");
 683                 }
 684
 685                 $feed = db_escape_string($feed);
 686
 687                 if ($update_method == 2) {
 688                         $fetch_ok = !$rss->error();
 689                 } else {
 690                         $fetch_ok = !!$rss;
 691                 }
 692
 693                 if ($fetch_ok) {
 694
 695                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 696                                 _debug("update_rss_feed: processing feed data...");
 697                         }
 698
 699 //                      db_query($link, "BEGIN");
 700
 701                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 702                                 FROM ttrss_feeds WHERE id = '$feed'");
 703
 704                         $registered_title = db_fetch_result($result, 0, "title");
 705                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 706                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 707
 708                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 709
 710                         if ($use_simplepie) {
 711                                 $site_url = $rss->get_link();
 712                         } else {
 713                                 $site_url = $rss->channel["link"];
 714                         }
 715
 716                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 717                                 _debug("update_rss_feed: checking favicon...");
 718                         }
 719
 720                         check_feed_favicon($site_url, $feed, $link);
 721
 722                         if (!$registered_title || $registered_title == "[Unknown]") {
 723
 724                                 if ($use_simplepie) {
 725                                         $feed_title = db_escape_string($rss->get_title());
 726                                 } else {
 727                                         $feed_title = db_escape_string($rss->channel["title"]);
 728                                 }
 729
 730                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 731                                         _debug("update_rss_feed: registering title: $feed_title");
 732                                 }
 733
 734                                 db_query($link, "UPDATE ttrss_feeds SET
 735                                         title = '$feed_title' WHERE id = '$feed'");
 736                         }
 737
 738                         // weird, weird Magpie
 739                         if (!$use_simplepie) {
 740                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 741                         }
 742
 743                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 744                                 db_query($link, "UPDATE ttrss_feeds SET
 745                                         site_url = '$site_url' WHERE id = '$feed'");
 746                         }
 747
 748 //                      print "I: " . $rss->channel["image"]["url"];
 749
 750                         if (!$use_simplepie) {
 751                                 $icon_url = db_escape_string($rss->image["url"]);
 752                         } else {
 753                                 $icon_url = db_escape_string($rss->get_image_url());
 754                         }
 755
 756                         $icon_url = substr($icon_url, 0, 250);
 757
 758                         if ($icon_url && $orig_icon_url != $icon_url) {
 759                                 if (USE_CURL_FOR_ICONS || url_validate($icon_url)) {
 760                                         db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 761                                 }
 762                         }
 763
 764                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 765                                 _debug("update_rss_feed: loading filters...");
 766                         }
 767
 768                         $filters = load_filters($link, $feed, $owner_uid);
 769
 770                         if ($use_simplepie) {
 771                                 $iterator = $rss->get_items();
 772                         } else {
 773                                 $iterator = $rss->items;
 774                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 775                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 776                         }
 777
 778                         if (!is_array($iterator)) {
 779                                 /* db_query($link, "UPDATE ttrss_feeds
 780                                         SET last_error = 'Parse error: can\'t find any articles.'
 781                                         WHERE id = '$feed'"); */
 782
 783                                 // clear any errors and mark feed as updated if fetched okay
 784                                 // even if it's blank
 785
 786                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 787                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 788                                 }
 789
 790                                 db_query($link, "UPDATE ttrss_feeds
 791                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 792
 793                                 return; // no articles
 794                         }
 795
 796                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 797                                 _debug("update_rss_feed: processing articles...");
 798                         }
 799
 800                         foreach ($iterator as $item) {
 801
 802                                 if ($_REQUEST['xdebug'] == 2) {
 803                                         print_r($item);
 804                                 }
 805
 806                                 if ($use_simplepie) {
 807                                         $entry_guid = $item->get_id();
 808                                         if (!$entry_guid) $entry_guid = $item->get_link();
 809                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 810
 811                                 } else {
 812
 813                                         $entry_guid = $item["id"];
 814
 815                                         if (!$entry_guid) $entry_guid = $item["guid"];
 816                                         if (!$entry_guid) $entry_guid = $item["link"];
 817                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 818                                 }
 819
 820                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 821                                         _debug("update_rss_feed: guid $entry_guid");
 822                                 }
 823
 824                                 if (!$entry_guid) continue;
 825
 826                                 $entry_timestamp = "";
 827
 828                                 if ($use_simplepie) {
 829                                         $entry_timestamp = strtotime($item->get_date());
 830                                 } else {
 831                                         $rss_2_date = $item['pubdate'];
 832                                         $rss_1_date = $item['dc']['date'];
 833                                         $atom_date = $item['issued'];
 834                                         if (!$atom_date) $atom_date = $item['updated'];
 835
 836                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 837                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 838                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 839
 840                                 }
 841
 842                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 843                                         $entry_timestamp = time();
 844                                         $no_orig_date = 'true';
 845                                 } else {
 846                                         $no_orig_date = 'false';
 847                                 }
 848
 849                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 850
 851                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 852                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
 853                                 }
 854
 855                                 if ($use_simplepie) {
 856                                         $entry_title = $item->get_title();
 857                                 } else {
 858                                         $entry_title = trim(strip_tags($item["title"]));
 859                                 }
 860
 861                                 if ($use_simplepie) {
 862                                         $entry_link = $item->get_link();
 863                                 } else {
 864                                         // strange Magpie workaround
 865                                         $entry_link = $item["link_"];
 866                                         if (!$entry_link) $entry_link = $item["link"];
 867                                 }
 868
 869                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 870                                         _debug("update_rss_feed: title $entry_title");
 871                                 }
 872
 873                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 874
 875                                 $entry_link = strip_tags($entry_link);
 876
 877                                 if ($use_simplepie) {
 878                                         $entry_content = $item->get_content();
 879                                         if (!$entry_content) $entry_content = $item->get_description();
 880                                 } else {
 881                                         $entry_content = $item["content:escaped"];
 882
 883                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 884                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 885                                         if (!$entry_content) $entry_content = $item["content"];
 886
 887                                         // Magpie bugs are getting ridiculous
 888                                         if (trim($entry_content) == "Array") $entry_content = false;
 889
 890                                         if (!$entry_content) $entry_content = $item["atom_content"];
 891                                         if (!$entry_content) $entry_content = $item["summary"];
 892
 893                                         if (!$entry_content ||
 894                                                 strlen($entry_content) < strlen($item["description"])) {
 895                                                         $entry_content = $item["description"];
 896                                         };
 897
 898                                         // WTF
 899                                         if (is_array($entry_content)) {
 900                                                 $entry_content = $entry_content["encoded"];
 901                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 902                                         }
 903                                 }
 904
 905                                 if ($_REQUEST["xdebug"] == 2) {
 906                                         print "update_rss_feed: content: ";
 907                                         print_r(htmlspecialchars($entry_content));
 908                                 }
 909
 910                                 $entry_content_unescaped = $entry_content;
 911
 912                                 if ($use_simplepie) {
 913                                         $entry_comments = strip_tags($item->data["comments"]);
 914                                         if ($item->get_author()) {
 915                                                 $entry_author_item = $item->get_author();
 916                                                 $entry_author = $entry_author_item->get_name();
 917                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 918
 919                                                 $entry_author = db_escape_string($entry_author);
 920                                         }
 921                                 } else {
 922                                         $entry_comments = strip_tags($item["comments"]);
 923
 924                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 925
 926                                         if ($item['author']) {
 927
 928                                                 if (is_array($item['author'])) {
 929
 930                                                         if (!$entry_author) {
 931                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 932                                                         }
 933
 934                                                         if (!$entry_author) {
 935                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 936                                                         }
 937                                                 }
 938
 939                                                 if (!$entry_author) {
 940                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 941                                                 }
 942                                         }
 943                                 }
 944
 945                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 946
 947                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 948                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 949
 950                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 951                                         WHERE guid = '$entry_guid'");
 952
 953                                 $entry_content = db_escape_string($entry_content);
 954
 955                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 956
 957                                 $entry_title = db_escape_string($entry_title);
 958                                 $entry_link = db_escape_string($entry_link);
 959                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 960                                 $entry_author = mb_substr($entry_author, 0, 250);
 961
 962                                 if ($use_simplepie) {
 963                                         $num_comments = 0; #FIXME#
 964                                 } else {
 965                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 966                                 }
 967
 968                                 if (!$num_comments) $num_comments = 0;
 969
 970                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 971                                         _debug("update_rss_feed: looking for tags [1]...");
 972                                 }
 973
 974                                 // parse <category> entries into tags
 975
 976                                 $additional_tags = array();
 977
 978                                 if ($use_simplepie) {
 979
 980                                         $additional_tags_src = $item->get_categories();
 981
 982                                         if (is_array($additional_tags_src)) {
 983                                                 foreach ($additional_tags_src as $tobj) {
 984                                                         array_push($additional_tags, $tobj->get_term());
 985                                                 }
 986                                         }
 987
 988                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 989                                                 _debug("update_rss_feed: category tags:");
 990                                                 print_r($additional_tags);
 991                                         }
 992
 993                                 } else {
 994
 995                                         $t_ctr = $item['category#'];
 996
 997                                         if ($t_ctr == 0) {
 998                                                 $additional_tags = array();
 999                                         } else if ($t_ctr > 0) {
1000                                                 $additional_tags = array($item['category']);
1001
1002                                                 if ($item['category@term']) {
1003                                                         array_push($additional_tags, $item['category@term']);
1004                                                 }
1005
1006                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1007                                                         if ($item["category#$i"]) {
1008                                                                 array_push($additional_tags, $item["category#$i"]);
1009                                                         }
1010
1011                                                         if ($item["category#$i@term"]) {
1012                                                                 array_push($additional_tags, $item["category#$i@term"]);
1013                                                         }
1014                                                 }
1015                                         }
1016
1017                                         // parse <dc:subject> elements
1018
1019                                         $t_ctr = $item['dc']['subject#'];
1020
1021                                         if ($t_ctr > 0) {
1022                                                 array_push($additional_tags, $item['dc']['subject']);
1023
1024                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1025                                                         if ($item['dc']["subject#$i"]) {
1026                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
1027                                                         }
1028                                                 }
1029                                         }
1030                                 }
1031
1032                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1033                                         _debug("update_rss_feed: looking for tags [2]...");
1034                                 }
1035
1036                                 /* taaaags */
1037                                 // <a href="..." rel="tag">Xorg</a>, //
1038
1039                                 $entry_tags = null;
1040
1041                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?\>([^<]+)<\/a>/i",
1042                                         $entry_content_unescaped, $entry_tags);
1043
1044                                 $entry_tags = $entry_tags[1];
1045
1046                                 $entry_tags = array_merge($entry_tags, $additional_tags);
1047                                 $entry_tags = array_unique($entry_tags);
1048
1049                                 for ($i = 0; $i < count($entry_tags); $i++)
1050                                         $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
1051
1052                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1053                                         _debug("update_rss_feed: unfiltered tags found:");
1054                                         print_r($entry_tags);
1055                                 }
1056
1057                                 # sanitize content
1058
1059                                 $entry_content = sanitize_article_content($entry_content);
1060                                 $entry_title = sanitize_article_content($entry_title);
1061
1062                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1063                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1064                                 }
1065
1066                                 db_query($link, "BEGIN");
1067
1068                                 if (db_num_rows($result) == 0) {
1069
1070                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1071                                                 _debug("update_rss_feed: base guid not found");
1072                                         }
1073
1074                                         // base post entry does not exist, create it
1075
1076                                         $result = db_query($link,
1077                                                 "INSERT INTO ttrss_entries
1078                                                         (title,
1079                                                         guid,
1080                                                         link,
1081                                                         updated,
1082                                                         content,
1083                                                         content_hash,
1084                                                         no_orig_date,
1085                                                         date_updated,
1086                                                         date_entered,
1087                                                         comments,
1088                                                         num_comments,
1089                                                         author)
1090                                                 VALUES
1091                                                         ('$entry_title',
1092                                                         '$entry_guid',
1093                                                         '$entry_link',
1094                                                         '$entry_timestamp_fmt',
1095                                                         '$entry_content',
1096                                                         '$content_hash',
1097                                                         $no_orig_date,
1098                                                         NOW(),
1099                                                         NOW(),
1100                                                         '$entry_comments',
1101                                                         '$num_comments',
1102                                                         '$entry_author')");
1103                                 } else {
1104                                         // we keep encountering the entry in feeds, so we need to
1105                                         // update date_updated column so that we don't get horrible
1106                                         // dupes when the entry gets purged and reinserted again e.g.
1107                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1108
1109                                         $base_entry_id = db_fetch_result($result, 0, "id");
1110
1111                                         db_query($link, "UPDATE ttrss_entries SET date_updated = NOW()
1112                                                 WHERE id = '$base_entry_id'");
1113                                 }
1114
1115                                 // now it should exist, if not - bad luck then
1116
1117                                 $result = db_query($link, "SELECT
1118                                                 id,content_hash,no_orig_date,title,
1119                                                 ".SUBSTRING_FOR_DATE."(date_updated,1,19) as date_updated,
1120                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1121                                                 num_comments
1122                                         FROM
1123                                                 ttrss_entries
1124                                         WHERE guid = '$entry_guid'");
1125
1126                                 $entry_ref_id = 0;
1127                                 $entry_int_id = 0;
1128
1129                                 if (db_num_rows($result) == 1) {
1130
1131                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1132                                                 _debug("update_rss_feed: base guid found, checking for user record");
1133                                         }
1134
1135                                         // this will be used below in update handler
1136                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1137                                         $orig_title = db_fetch_result($result, 0, "title");
1138                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1139                                         $orig_date_updated = strtotime(db_fetch_result($result,
1140                                                 0, "date_updated"));
1141
1142                                         $ref_id = db_fetch_result($result, 0, "id");
1143                                         $entry_ref_id = $ref_id;
1144
1145                                         // check for user post link to main table
1146
1147                                         // do we allow duplicate posts with same GUID in different feeds?
1148                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1149                                                 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
1150                                         } else {
1151                                                 $dupcheck_qpart = "";
1152                                         }
1153
1154                                         /* Collect article tags here so we could filter by them: */
1155
1156                                         $article_filters = get_article_filters($filters, $entry_title,
1157                                                 $entry_content, $entry_link, $entry_timestamp, $entry_author,
1158                                                 $entry_tags);
1159
1160                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1161                                                 _debug("update_rss_feed: article filters: ");
1162                                                 if (count($article_filters) != 0) {
1163                                                         print_r($article_filters);
1164                                                 }
1165                                         }
1166
1167                                         if (find_article_filter($article_filters, "filter")) {
1168                                                 db_query($link, "COMMIT"); // close transaction in progress
1169                                                 continue;
1170                                         }
1171
1172                                         $score = calculate_article_score($article_filters);
1173
1174                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1175                                                 _debug("update_rss_feed: initial score: $score");
1176                                         }
1177
1178                                         $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1179                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1180                                                         $dupcheck_qpart";
1181
1182 //                                      if ($_REQUEST["xdebug"]) print "$query\n";
1183
1184                                         $result = db_query($link, $query);
1185
1186                                         // okay it doesn't exist - create user entry
1187                                         if (db_num_rows($result) == 0) {
1188
1189                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1190                                                         _debug("update_rss_feed: user record not found, creating...");
1191                                                 }
1192
1193                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1194                                                         $unread = 'true';
1195                                                         $last_read_qpart = 'NULL';
1196                                                 } else {
1197                                                         $unread = 'false';
1198                                                         $last_read_qpart = 'NOW()';
1199                                                 }
1200
1201                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1202                                                         $marked = 'true';
1203                                                 } else {
1204                                                         $marked = 'false';
1205                                                 }
1206
1207                                                 if (find_article_filter($article_filters, 'publish')) {
1208                                                         $published = 'true';
1209                                                 } else {
1210                                                         $published = 'false';
1211                                                 }
1212
1213                                                 $result = db_query($link,
1214                                                         "INSERT INTO ttrss_user_entries
1215                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1216                                                                         published, score, tag_cache, label_cache)
1217                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1218                                                                 $last_read_qpart, $marked, $published, '$score', '', '')");
1219
1220                                                 $result = db_query($link,
1221                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1222                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1223                                                                 feed_id = '$feed' LIMIT 1");
1224
1225                                                 if (db_num_rows($result) == 1) {
1226                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1227                                                 }
1228                                         } else {
1229                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1230                                                         _debug("update_rss_feed: user record FOUND");
1231                                                 }
1232
1233                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1234                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1235                                         }
1236
1237                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1238                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1239                                         }
1240
1241                                         $post_needs_update = false;
1242
1243                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1244                                                 ($content_hash != $orig_content_hash)) {
1245 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1246                                                 $post_needs_update = true;
1247                                         }
1248
1249                                         if (db_escape_string($orig_title) != $entry_title) {
1250                                                 $post_needs_update = true;
1251                                         }
1252
1253                                         if ($orig_num_comments != $num_comments) {
1254                                                 $post_needs_update = true;
1255                                         }
1256
1257 //                                      this doesn't seem to be very reliable
1258 //
1259 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1260 //                                              $post_needs_update = true;
1261 //                                      }
1262
1263                                         // if post needs update, update it and mark all user entries
1264                                         // linking to this post as updated
1265                                         if ($post_needs_update) {
1266
1267                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1268                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1269                                                 }
1270
1271 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1272
1273                                                 db_query($link, "UPDATE ttrss_entries
1274                                                         SET title = '$entry_title', content = '$entry_content',
1275                                                                 content_hash = '$content_hash',
1276                                                                 num_comments = '$num_comments'
1277                                                         WHERE id = '$ref_id'");
1278
1279                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1280                                                         db_query($link, "UPDATE ttrss_user_entries
1281                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1282                                                 } else {
1283                                                         db_query($link, "UPDATE ttrss_user_entries
1284                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1285                                                 }
1286
1287                                         }
1288                                 }
1289
1290                                 db_query($link, "COMMIT");
1291
1292                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1293                                         _debug("update_rss_feed: assigning labels...");
1294                                 }
1295
1296                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1297                                         $owner_uid);
1298
1299                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1300                                         _debug("update_rss_feed: looking for enclosures...");
1301                                 }
1302
1303                                 // enclosures
1304
1305                                 $enclosures = array();
1306
1307                                 if ($use_simplepie) {
1308                                         $encs = $item->get_enclosures();
1309
1310                                         if (is_array($encs)) {
1311                                                 foreach ($encs as $e) {
1312                                                         $e_item = array(
1313                                                                 $e->link, $e->type, $e->length);
1314
1315                                                         array_push($enclosures, $e_item);
1316                                                 }
1317                                         }
1318
1319                                 } else {
1320                                         // <enclosure>
1321
1322                                         $e_ctr = $item['enclosure#'];
1323
1324                                         if ($e_ctr > 0) {
1325                                                 $e_item = array($item['enclosure@url'],
1326                                                         $item['enclosure@type'],
1327                                                         $item['enclosure@length']);
1328
1329                                                 array_push($enclosures, $e_item);
1330
1331                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1332
1333                                                         if ($item["enclosure#$i@url"]) {
1334                                                                 $e_item = array($item["enclosure#$i@url"],
1335                                                                         $item["enclosure#$i@type"],
1336                                                                         $item["enclosure#$i@length"]);
1337                                                                 array_push($enclosures, $e_item);
1338                                                         }
1339                                                 }
1340                                         }
1341
1342                                         // <media:content>
1343                                         // can there be many of those? yes -fox
1344
1345                                         $m_ctr = $item['media']['content#'];
1346
1347                                         if ($m_ctr > 0) {
1348                                                 $e_item = array($item['media']['content@url'],
1349                                                         $item['media']['content@medium'],
1350                                                         $item['media']['content@length']);
1351
1352                                                 array_push($enclosures, $e_item);
1353
1354                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1355
1356                                                         if ($item["media"]["content#$i@url"]) {
1357                                                                 $e_item = array($item["media"]["content#$i@url"],
1358                                                                         $item["media"]["content#$i@medium"],
1359                                                                         $item["media"]["content#$i@length"]);
1360                                                                 array_push($enclosures, $e_item);
1361                                                         }
1362                                                 }
1363
1364                                         }
1365                                 }
1366
1367
1368                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1369                                         _debug("update_rss_feed: article enclosures:");
1370                                         print_r($enclosures);
1371                                 }
1372
1373                                 db_query($link, "BEGIN");
1374
1375                                 foreach ($enclosures as $enc) {
1376                                         $enc_url = db_escape_string($enc[0]);
1377                                         $enc_type = db_escape_string($enc[1]);
1378                                         $enc_dur = db_escape_string($enc[2]);
1379
1380                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1381                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1382
1383                                         if (db_num_rows($result) == 0) {
1384                                                 db_query($link, "INSERT INTO ttrss_enclosures
1385                                                         (content_url, content_type, title, duration, post_id) VALUES
1386                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1387                                         }
1388                                 }
1389
1390                                 db_query($link, "COMMIT");
1391
1392                                 // check for manual tags (we have to do it here since they're loaded from filters)
1393
1394                                 foreach ($article_filters as $f) {
1395                                         if ($f[0] == "tag") {
1396
1397                                                 $manual_tags = trim_array(split(",", $f[1]));
1398
1399                                                 foreach ($manual_tags as $tag) {
1400                                                         if (tag_is_valid($tag)) {
1401                                                                 array_push($entry_tags, $tag);
1402                                                         }
1403                                                 }
1404                                         }
1405                                 }
1406
1407                                 // Skip boring tags
1408
1409                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1410                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1411
1412                                 $filtered_tags = array();
1413                                 $tags_to_cache = array();
1414
1415                                 if ($entry_tags && is_array($entry_tags)) {
1416                                         foreach ($entry_tags as $tag) {
1417                                                 if (array_search($tag, $boring_tags) === false) {
1418                                                         array_push($filtered_tags, $tag);
1419                                                 }
1420                                         }
1421                                 }
1422
1423                                 $filtered_tags = array_unique($filtered_tags);
1424
1425                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1426                                         _debug("update_rss_feed: filtered article tags:");
1427                                         print_r($filtered_tags);
1428                                 }
1429
1430                                 // Save article tags in the database
1431
1432                                 if (count($filtered_tags) > 0) {
1433
1434                                         db_query($link, "BEGIN");
1435
1436                                         foreach ($filtered_tags as $tag) {
1437
1438                                                 $tag = sanitize_tag($tag);
1439                                                 $tag = db_escape_string($tag);
1440
1441                                                 if (!tag_is_valid($tag)) continue;
1442
1443                                                 $result = db_query($link, "SELECT id FROM ttrss_tags
1444                                                         WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1445                                                         owner_uid = '$owner_uid' LIMIT 1");
1446
1447                                                         if ($result && db_num_rows($result) == 0) {
1448
1449                                                                 db_query($link, "INSERT INTO ttrss_tags
1450                                                                         (owner_uid,tag_name,post_int_id)
1451                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1452                                                         }
1453
1454                                                 array_push($tags_to_cache, $tag);
1455                                         }
1456
1457                                         /* update the cache */
1458
1459                                         $tags_to_cache = array_unique($tags_to_cache);
1460
1461                                         $tags_str = db_escape_string(join(",", $tags_to_cache));
1462
1463                                         db_query($link, "UPDATE ttrss_user_entries
1464                                                 SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id'
1465                                                 AND owner_uid = $owner_uid");
1466
1467                                         db_query($link, "COMMIT");
1468                                 }
1469
1470                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1471                                         _debug("update_rss_feed: article processed");
1472                                 }
1473                         }
1474
1475                         if (!$last_updated) {
1476                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1477                                         _debug("update_rss_feed: new feed, catching it up...");
1478                                 }
1479                                 catchup_feed($link, $feed, false, $owner_uid);
1480                         }
1481
1482                         purge_feed($link, $feed, 0);
1483
1484                         db_query($link, "UPDATE ttrss_feeds
1485                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1486
1487 //                      db_query($link, "COMMIT");
1488
1489                 } else {
1490
1491                         if ($use_simplepie) {
1492                                 $error_msg = mb_substr($rss->error(), 0, 250);
1493                         } else {
1494                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1495                         }
1496
1497                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1498                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1499                         }
1500
1501                         $error_msg = db_escape_string($error_msg);
1502
1503                         db_query($link,
1504                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1505                                         last_updated = NOW() WHERE id = '$feed'");
1506                 }
1507
1508                 if ($use_simplepie) {
1509                         unset($rss);
1510                 }
1511
1512                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1513                         _debug("update_rss_feed: done");
1514                 }
1515
1516         }
1517
1518         function print_select($id, $default, $values, $attributes = "") {
1519                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1520                 foreach ($values as $v) {
1521                         if ($v == $default)
1522                                 $sel = "selected=\"1\"";
1523                          else
1524                                 $sel = "";
1525
1526                         print "<option value=\"$v\" $sel>$v</option>";
1527                 }
1528                 print "</select>";
1529         }
1530
1531         function print_select_hash($id, $default, $values, $attributes = "") {
1532                 print "<select name=\"$id\" id='$id' $attributes>";
1533                 foreach (array_keys($values) as $v) {
1534                         if ($v == $default)
1535                                 $sel = 'selected="selected"';
1536                          else
1537                                 $sel = "";
1538
1539                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1540                 }
1541
1542                 print "</select>";
1543         }
1544
1545         function get_article_filters($filters, $title, $content, $link, $timestamp, $author, $tags) {
1546                 $matches = array();
1547
1548                 if ($filters["title"]) {
1549                         foreach ($filters["title"] as $filter) {
1550                                 $reg_exp = $filter["reg_exp"];
1551                                 $inverse = $filter["inverse"];
1552                                 if ((!$inverse && @preg_match("/$reg_exp/i", $title)) ||
1553                                                 ($inverse && !@preg_match("/$reg_exp/i", $title))) {
1554
1555                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1556                                 }
1557                         }
1558                 }
1559
1560                 if ($filters["content"]) {
1561                         foreach ($filters["content"] as $filter) {
1562                                 $reg_exp = $filter["reg_exp"];
1563                                 $inverse = $filter["inverse"];
1564
1565                                 if ((!$inverse && @preg_match("/$reg_exp/i", $content)) ||
1566                                                 ($inverse && !@preg_match("/$reg_exp/i", $content))) {
1567
1568                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1569                                 }
1570                         }
1571                 }
1572
1573                 if ($filters["both"]) {
1574                         foreach ($filters["both"] as $filter) {
1575                                 $reg_exp = $filter["reg_exp"];
1576                                 $inverse = $filter["inverse"];
1577
1578                                 if ($inverse) {
1579                                         if (!@preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1580                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1581                                         }
1582                                 } else {
1583                                         if (@preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1584                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1585                                         }
1586                                 }
1587                         }
1588                 }
1589
1590                 if ($filters["link"]) {
1591                         $reg_exp = $filter["reg_exp"];
1592                         foreach ($filters["link"] as $filter) {
1593                                 $reg_exp = $filter["reg_exp"];
1594                                 $inverse = $filter["inverse"];
1595
1596                                 if ((!$inverse && @preg_match("/$reg_exp/i", $link)) ||
1597                                                 ($inverse && !@preg_match("/$reg_exp/i", $link))) {
1598
1599                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1600                                 }
1601                         }
1602                 }
1603
1604                 if ($filters["date"]) {
1605                         $reg_exp = $filter["reg_exp"];
1606                         foreach ($filters["date"] as $filter) {
1607                                 $date_modifier = $filter["filter_param"];
1608                                 $inverse = $filter["inverse"];
1609                                 $check_timestamp = strtotime($filter["reg_exp"]);
1610
1611                                 # no-op when timestamp doesn't parse to prevent misfires
1612
1613                                 if ($check_timestamp) {
1614                                         $match_ok = false;
1615
1616                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1617                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1618                                                         $match_ok = true;
1619                                         }
1620
1621                                         if ($inverse) $match_ok = !$match_ok;
1622
1623                                         if ($match_ok) {
1624                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1625                                         }
1626                                 }
1627                         }
1628                 }
1629
1630                 if ($filters["author"]) {
1631                         foreach ($filters["author"] as $filter) {
1632                                 $reg_exp = $filter["reg_exp"];
1633                                 $inverse = $filter["inverse"];
1634                                 if ((!$inverse && @preg_match("/$reg_exp/i", $author)) ||
1635                                                 ($inverse && !@preg_match("/$reg_exp/i", $author))) {
1636
1637                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1638                                 }
1639                         }
1640                 }
1641
1642                 if ($filters["tag"]) {
1643
1644                         $tag_string = join(",", $tags);
1645
1646                         foreach ($filters["tag"] as $filter) {
1647                                 $reg_exp = $filter["reg_exp"];
1648                                 $inverse = $filter["inverse"];
1649
1650                                 if ((!$inverse && @preg_match("/$reg_exp/i", $tag_string)) ||
1651                                                 ($inverse && !@preg_match("/$reg_exp/i", $tag_string))) {
1652
1653                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1654                                 }
1655                         }
1656                 }
1657
1658
1659                 return $matches;
1660         }
1661
1662         function find_article_filter($filters, $filter_name) {
1663                 foreach ($filters as $f) {
1664                         if ($f[0] == $filter_name) {
1665                                 return $f;
1666                         };
1667                 }
1668                 return false;
1669         }
1670
1671         function calculate_article_score($filters) {
1672                 $score = 0;
1673
1674                 foreach ($filters as $f) {
1675                         if ($f[0] == "score") {
1676                                 $score += $f[1];
1677                         };
1678                 }
1679                 return $score;
1680         }
1681
1682         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1683                 foreach ($filters as $f) {
1684                         if ($f[0] == "label") {
1685                                 label_add_article($link, $id, $f[1], $owner_uid);
1686                         };
1687                 }
1688         }
1689
1690         function getmicrotime() {
1691                 list($usec, $sec) = explode(" ",microtime());
1692                 return ((float)$usec + (float)$sec);
1693         }
1694
1695         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1696                 foreach ($values as $v) {
1697
1698                         if ($v == $default)
1699                                 $sel = "checked";
1700                          else
1701                                 $sel = "";
1702
1703                         if ($v == $true_is) {
1704                                 $sel .= " value=\"1\"";
1705                         } else {
1706                                 $sel .= " value=\"0\"";
1707                         }
1708
1709                         print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
1710                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1711
1712                 }
1713         }
1714
1715         function initialize_user_prefs($link, $uid, $profile = false) {
1716
1717                 $uid = db_escape_string($uid);
1718
1719                 if (!$profile) {
1720                         $profile = "NULL";
1721                         $profile_qpart = "AND profile IS NULL";
1722                 } else {
1723                         $profile_qpart = "AND profile = '$profile'";
1724                 }
1725
1726                 if (get_schema_version($link) < 63) $profile_qpart = "";
1727
1728                 db_query($link, "BEGIN");
1729
1730                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1731
1732                 $u_result = db_query($link, "SELECT pref_name
1733                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
1734
1735                 $active_prefs = array();
1736
1737                 while ($line = db_fetch_assoc($u_result)) {
1738                         array_push($active_prefs, $line["pref_name"]);
1739                 }
1740
1741                 while ($line = db_fetch_assoc($result)) {
1742                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1743 //                              print "adding " . $line["pref_name"] . "<br>";
1744
1745                                 if (get_schema_version($link) < 63) {
1746                                         db_query($link, "INSERT INTO ttrss_user_prefs
1747                                                 (owner_uid,pref_name,value) VALUES
1748                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1749
1750                                 } else {
1751                                         db_query($link, "INSERT INTO ttrss_user_prefs
1752                                                 (owner_uid,pref_name,value, profile) VALUES
1753                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
1754                                 }
1755
1756                         }
1757                 }
1758
1759                 db_query($link, "COMMIT");
1760
1761         }
1762
1763         function lookup_user_id($link, $user) {
1764
1765                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1766                         login = '$login'");
1767
1768                 if (db_num_rows($result) == 1) {
1769                         return db_fetch_result($result, 0, "id");
1770                 } else {
1771                         return false;
1772                 }
1773         }
1774
1775         function http_authenticate_user($link) {
1776
1777 //              error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1778
1779                 if (!$_SERVER["PHP_AUTH_USER"]) {
1780
1781                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1782                         header('HTTP/1.0 401 Unauthorized');
1783                         exit;
1784
1785                 } else {
1786                         $auth_result = authenticate_user($link,
1787                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1788
1789                         if (!$auth_result) {
1790                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1791                                 header('HTTP/1.0 401 Unauthorized');
1792                                 exit;
1793                         }
1794                 }
1795
1796                 return true;
1797         }
1798
1799         function authenticate_user($link, $login, $password, $force_auth = false) {
1800
1801                 if (!SINGLE_USER_MODE) {
1802
1803                         $pwd_hash1 = encrypt_password($password);
1804                         $pwd_hash2 = encrypt_password($password, $login);
1805                         $login = db_escape_string($login);
1806
1807                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1808                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1809
1810                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1811
1812                                 $query = "SELECT id,login,access_level,pwd_hash
1813                     FROM ttrss_users WHERE
1814                                         login = '$login'";
1815
1816                         } else {
1817                                 $query = "SELECT id,login,access_level,pwd_hash
1818                     FROM ttrss_users WHERE
1819                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1820                                                 pwd_hash = '$pwd_hash2')";
1821                         }
1822
1823                         $result = db_query($link, $query);
1824
1825                         if (db_num_rows($result) == 1) {
1826                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1827                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1828                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1829
1830                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1831                                         $_SESSION["uid"]);
1832
1833                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1834                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1835
1836                                 $_SESSION["last_version_check"] = time();
1837
1838                                 initialize_user_prefs($link, $_SESSION["uid"]);
1839
1840                                 return true;
1841                         }
1842
1843                         return false;
1844
1845                 } else {
1846
1847                         $_SESSION["uid"] = 1;
1848                         $_SESSION["name"] = "admin";
1849
1850                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1851
1852                         initialize_user_prefs($link, $_SESSION["uid"]);
1853
1854                         return true;
1855                 }
1856         }
1857
1858         function make_password($length = 8) {
1859
1860                 $password = "";
1861                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1862
1863         $i = 0;
1864
1865                 while ($i < $length) {
1866                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1867
1868                         if (!strstr($password, $char)) {
1869                                 $password .= $char;
1870                                 $i++;
1871                         }
1872                 }
1873                 return $password;
1874         }
1875
1876         // this is called after user is created to initialize default feeds, labels
1877         // or whatever else
1878
1879         // user preferences are checked on every login, not here
1880
1881         function initialize_user($link, $uid) {
1882
1883                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1884                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1885                         'http://tt-rss.org/releases.rss')");
1886
1887                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1888                         values ('$uid', 'Tiny Tiny RSS: Forum',
1889                                 'http://tt-rss.org/forum/rss.php')");
1890         }
1891
1892         function logout_user() {
1893                 session_destroy();
1894                 if (isset($_COOKIE[session_name()])) {
1895                    setcookie(session_name(), '', time()-42000, '/');
1896                 }
1897         }
1898
1899         function get_script_urlpath() {
1900                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1901         }
1902
1903         function validate_session($link) {
1904                 if (SINGLE_USER_MODE) {
1905                         return true;
1906                 }
1907
1908                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1909                         if ($_SESSION["ip_address"]) {
1910                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1911                                         $_SESSION["login_error_msg"] = __("Session failed to validate (incorrect IP)");
1912                                         return false;
1913                                 }
1914                         }
1915                 }
1916
1917                 if ($_SESSION["ref_schema_version"] != get_schema_version($link, true)) {
1918                         return false;
1919                 }
1920
1921                 if ($_SESSION["uid"]) {
1922
1923                         $result = db_query($link,
1924                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1925
1926                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1927
1928                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1929                                 return false;
1930                         }
1931                 }
1932
1933 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1934
1935                         //print_r($_SESSION);
1936
1937                         if (time() > $_SESSION["cookie_lifetime"]) {
1938                                 return false;
1939                         }
1940                 } */
1941
1942                 return true;
1943         }
1944
1945         function login_sequence($link, $mobile = false) {
1946                 if (!SINGLE_USER_MODE) {
1947
1948                         $login_action = $_POST["login_action"];
1949
1950                         # try to authenticate user if called from login form
1951                         if ($login_action == "do_login") {
1952                                 $login = $_POST["login"];
1953                                 $password = $_POST["password"];
1954                                 $remember_me = $_POST["remember_me"];
1955
1956                                 if (authenticate_user($link, $login, $password)) {
1957                                         $_POST["password"] = "";
1958
1959                                         $_SESSION["language"] = $_POST["language"];
1960                                         $_SESSION["ref_schema_version"] = get_schema_version($link, true);
1961                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
1962
1963                                         if ($_POST["profile"]) {
1964
1965                                                 $profile = db_escape_string($_POST["profile"]);
1966
1967                                                 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
1968                                                         WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
1969
1970                                                 if (db_num_rows($result) != 0) {
1971                                                         $_SESSION["profile"] = $profile;
1972                                                         $_SESSION["prefs_cache"] = array();
1973                                                 }
1974                                         }
1975
1976                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1977                                         exit;
1978
1979                                         return;
1980                                 } else {
1981                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
1982                                 }
1983                         }
1984
1985                         if (!$_SESSION["uid"] || !validate_session($link)) {
1986                                 render_login_form($link, $mobile);
1987                                 //header("Location: login.php");
1988                                 exit;
1989                         } else {
1990                                 /* bump login timestamp */
1991                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1992                                         $_SESSION["uid"]);
1993
1994                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1995                                         setcookie("ttrss_lang", $_SESSION["language"],
1996                                                 time() + SESSION_COOKIE_LIFETIME);
1997                                 }
1998                         }
1999
2000                 } else {
2001                         return authenticate_user($link, "admin", null);
2002                 }
2003         }
2004
2005         function truncate_string($str, $max_len, $suffix = '&hellip;') {
2006                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
2007                         return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
2008                 } else {
2009                         return $str;
2010                 }
2011         }
2012
2013         function theme_image($link, $filename) {
2014                 if ($link) {
2015                         $theme_path = get_user_theme_path($link);
2016
2017                         if ($theme_path && is_file($theme_path.$filename)) {
2018                                 return $theme_path.$filename;
2019                         } else {
2020                                 return $filename;
2021                         }
2022                 } else {
2023                         return $filename;
2024                 }
2025         }
2026
2027         function get_user_theme($link) {
2028
2029                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2030                         $theme_name = get_pref($link, "_THEME_ID");
2031                         if (is_dir("themes/$theme_name")) {
2032                                 return $theme_name;
2033                         } else {
2034                                 return '';
2035                         }
2036                 } else {
2037                         return '';
2038                 }
2039
2040         }
2041
2042         function get_user_theme_path($link) {
2043                 $theme_path = '';
2044
2045                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2046                         $theme_name = get_pref($link, "_THEME_ID");
2047
2048                         if ($theme_name && is_dir("themes/$theme_name")) {
2049                                 $theme_path = "themes/$theme_name/";
2050                         } else {
2051                                 $theme_name = '';
2052                         }
2053                 } else {
2054                         $theme_path = '';
2055                 }
2056
2057                 if ($theme_path) {
2058                         if (is_file("$theme_path/theme.ini")) {
2059                                 $ini = parse_ini_file("$theme_path/theme.ini", true);
2060                                 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED) {
2061                                         return $theme_path;
2062                                 }
2063                         }
2064                 }
2065                 return '';
2066         }
2067
2068         function get_user_theme_options($link) {
2069                 $t = get_user_theme_path($link);
2070
2071                 if ($t) {
2072                         if (is_file("$t/theme.ini")) {
2073                                 $ini = parse_ini_file("$t/theme.ini", true);
2074                                 if ($ini['theme']['version']) {
2075                                         return $ini['theme']['options'];
2076                                 }
2077                         }
2078                 }
2079                 return '';
2080         }
2081
2082         function print_theme_includes($link) {
2083
2084                 $t = get_user_theme_path($link);
2085                 $time = time();
2086
2087                 if ($t) {
2088                         print "<link rel=\"stylesheet\" type=\"text/css\"
2089                                 href=\"$t/theme.css?$time \">";
2090                         if (file_exists("$t/theme.js")) {
2091                                 print "<script type=\"text/javascript\" src=\"$t/theme.js?$time\">
2092                                         </script>";
2093                         }
2094                 }
2095         }
2096
2097         function get_all_themes() {
2098                 $themes = glob("themes/*");
2099
2100                 asort($themes);
2101
2102                 $rv = array();
2103
2104                 foreach ($themes as $t) {
2105                         if (is_file("$t/theme.ini")) {
2106                                 $ini = parse_ini_file("$t/theme.ini", true);
2107                                 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED &&
2108                                                         !$ini['theme']['disabled']) {
2109                                         $entry = array();
2110                                         $entry["path"] = $t;
2111                                         $entry["base"] = basename($t);
2112                                         $entry["name"] = $ini['theme']['name'];
2113                                         $entry["version"] = $ini['theme']['version'];
2114                                         $entry["author"] = $ini['theme']['author'];
2115                                         $entry["options"] = $ini['theme']['options'];
2116                                         array_push($rv, $entry);
2117                                 }
2118                         }
2119                 }
2120
2121                 return $rv;
2122         }
2123
2124         function make_local_datetime($link, $timestamp, $long, $owner_uid = false,
2125                                         $no_smart_dt = false) {
2126
2127                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2128                 if (!$timestamp) $timestamp = '1970-01-01 0:00';
2129
2130                 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $owner_uid);
2131
2132                 try {
2133                         $user_tz = new DateTimeZone($user_tz_string);
2134                 } catch (Exception $e) {
2135                         $user_tz = new DateTimeZone('UTC');
2136                 }
2137
2138                 # We store date in UTC internally
2139                 $dt = new DateTime($timestamp, new DateTimeZone('UTC'));
2140                 $user_timestamp = $dt->format('U') + $user_tz->getOffset($dt);
2141
2142                 if (!$no_smart_dt && get_pref($link, 'HEADLINES_SMART_DATE', $owner_uid)) {
2143                         return smart_date_time($link, $user_timestamp,
2144                                 $user_tz->getOffset($dt), $owner_uid);
2145                 } else {
2146                         if ($long)
2147                                 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2148                         else
2149                                 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2150
2151                         return date($format, $user_timestamp);
2152                 }
2153         }
2154
2155         function smart_date_time($link, $timestamp, $tz_offset = 0, $owner_uid = false) {
2156                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2157
2158                 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
2159                         return date("G:i", $timestamp);
2160                 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
2161                         $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2162                         return date($format, $timestamp);
2163                 } else {
2164                         $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2165                         return date($format, $timestamp);
2166                 }
2167         }
2168
2169         function smart_date($timestamp) {
2170                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2171                         return "Today";
2172                 } else if (date("Y", $timestamp) == date("Y")) {
2173                         return date("D m", $timestamp);
2174                 } else {
2175                         return date("Y/m/d", $timestamp);
2176                 }
2177         }
2178
2179         function sql_bool_to_string($s) {
2180                 if ($s == "t" || $s == "1") {
2181                         return "true";
2182                 } else {
2183                         return "false";
2184                 }
2185         }
2186
2187         function sql_bool_to_bool($s) {
2188                 if ($s == "t" || $s == "1") {
2189                         return true;
2190                 } else {
2191                         return false;
2192                 }
2193         }
2194
2195         function bool_to_sql_bool($s) {
2196                 if ($s) {
2197                         return "true";
2198                 } else {
2199                         return "false";
2200                 }
2201         }
2202
2203         function toggleEvenOdd($a) {
2204                 if ($a == "even")
2205                         return "odd";
2206                 else
2207                         return "even";
2208         }
2209
2210         function get_schema_version($link, $nocache = false) {
2211                 if (!$_SESSION["schema_version"] || $nocache) {
2212                         $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2213                         $version = db_fetch_result($result, 0, "schema_version");
2214                         $_SESSION["schema_version"] = $version;
2215                         return $version;
2216                 } else {
2217                         return $_SESSION["schema_version"];
2218                 }
2219         }
2220
2221         function sanity_check($link) {
2222
2223                 $error_code = 0;
2224                 $schema_version = get_schema_version($link);
2225
2226                 if ($schema_version != SCHEMA_VERSION) {
2227                         $error_code = 5;
2228                 }
2229
2230                 if (DB_TYPE == "mysql") {
2231                         $result = db_query($link, "SELECT true", false);
2232                         if (db_num_rows($result) != 1) {
2233                                 $error_code = 10;
2234                         }
2235                 }
2236
2237                 if (db_escape_string("testTEST") != "testTEST") {
2238                         $error_code = 12;
2239                 }
2240
2241                 if ($error_code != 0) {
2242                         print_error_xml($error_code);
2243                         return false;
2244                 } else {
2245                         return true;
2246                 }
2247         }
2248
2249         function file_is_locked($filename) {
2250                 if (function_exists('flock')) {
2251                         $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
2252                         if ($fp) {
2253                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2254                                         flock($fp, LOCK_UN);
2255                                         fclose($fp);
2256                                         return false;
2257                                 }
2258                                 fclose($fp);
2259                                 return true;
2260                         } else {
2261                                 return false;
2262                         }
2263                 }
2264                 return true; // consider the file always locked and skip the test
2265         }
2266
2267         function make_lockfile($filename) {
2268                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2269
2270                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2271                         if (function_exists('posix_getpid')) {
2272                                 fwrite($fp, posix_getpid() . "\n");
2273                         }
2274                         return $fp;
2275                 } else {
2276                         return false;
2277                 }
2278         }
2279
2280         function make_stampfile($filename) {
2281                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2282
2283                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2284                         fwrite($fp, time() . "\n");
2285                         flock($fp, LOCK_UN);
2286                         fclose($fp);
2287                         return true;
2288                 } else {
2289                         return false;
2290                 }
2291         }
2292
2293         function sql_random_function() {
2294                 if (DB_TYPE == "mysql") {
2295                         return "RAND()";
2296                 } else {
2297                         return "RANDOM()";
2298                 }
2299         }
2300
2301         function catchup_feed($link, $feed, $cat_view, $owner_uid = false) {
2302
2303                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2304
2305                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2306
2307                                 if ($cat_view) {
2308
2309                                         if ($feed >= 0) {
2310
2311                                                 if ($feed > 0) {
2312                                                         $cat_qpart = "cat_id = '$feed'";
2313                                                 } else {
2314                                                         $cat_qpart = "cat_id IS NULL";
2315                                                 }
2316
2317                                                 $tmp_result = db_query($link, "SELECT id
2318                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2319
2320                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2321
2322                                                         $tmp_feed = $tmp_line["id"];
2323
2324                                                         db_query($link, "UPDATE ttrss_user_entries
2325                                                                 SET unread = false,last_read = NOW()
2326                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2327                                                 }
2328                                         } else if ($feed == -2) {
2329
2330
2331                                                 db_query($link, "UPDATE ttrss_user_entries
2332                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
2333                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
2334                                                         AND unread = true AND owner_uid = $owner_uid");
2335                                         }
2336
2337                                 } else if ($feed > 0) {
2338
2339                                         db_query($link, "UPDATE ttrss_user_entries
2340                                                         SET unread = false,last_read = NOW()
2341                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2342
2343                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2344
2345                                         if ($feed == -1) {
2346                                                 db_query($link, "UPDATE ttrss_user_entries
2347                                                         SET unread = false,last_read = NOW()
2348                                                         WHERE marked = true AND owner_uid = $owner_uid");
2349                                         }
2350
2351                                         if ($feed == -2) {
2352                                                 db_query($link, "UPDATE ttrss_user_entries
2353                                                         SET unread = false,last_read = NOW()
2354                                                         WHERE published = true AND owner_uid = $owner_uid");
2355                                         }
2356
2357                                         if ($feed == -3) {
2358
2359                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2360
2361                                                 if (DB_TYPE == "pgsql") {
2362                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2363                                                 } else {
2364                                                         $match_part = "updated > DATE_SUB(NOW(),
2365                                                                 INTERVAL $intl HOUR) ";
2366                                                 }
2367
2368                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2369                                                         ttrss_user_entries WHERE $match_part AND
2370                                                         unread = true AND
2371                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2372                                                         owner_uid = $owner_uid");
2373
2374                                                 $affected_ids = array();
2375
2376                                                 while ($line = db_fetch_assoc($result)) {
2377                                                         array_push($affected_ids, $line["id"]);
2378                                                 }
2379
2380                                                 catchupArticlesById($link, $affected_ids, 0);
2381                                         }
2382
2383                                         if ($feed == -4) {
2384                                                 db_query($link, "UPDATE ttrss_user_entries
2385                                                         SET unread = false,last_read = NOW()
2386                                                         WHERE owner_uid = $owner_uid");
2387                                         }
2388
2389                                 } else if ($feed < -10) { // label
2390
2391                                         $label_id = -$feed - 11;
2392
2393                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2394                                                 SET unread = false, last_read = NOW()
2395                                                         WHERE label_id = '$label_id' AND unread = true
2396                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2397
2398                                 }
2399
2400                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2401
2402                         } else { // tag
2403                                 db_query($link, "BEGIN");
2404
2405                                 $tag_name = db_escape_string($feed);
2406
2407                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2408                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2409
2410                                 while ($line = db_fetch_assoc($result)) {
2411                                         db_query($link, "UPDATE ttrss_user_entries SET
2412                                                 unread = false, last_read = NOW()
2413                                                 WHERE int_id = " . $line["post_int_id"]);
2414                                 }
2415                                 db_query($link, "COMMIT");
2416                         }
2417         }
2418
2419         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2420
2421                 if (!$omode) $omode = "flc";
2422
2423                 $data = getGlobalCounters($link);
2424
2425                 $data = array_merge($data, getVirtCounters($link));
2426
2427                 if (strchr($omode, "l")) $data = array_merge($data, getLabelCounters($link));
2428                 if (strchr($omode, "f")) $data = array_merge($data, getFeedCounters($link, $active_feed));
2429                 if (strchr($omode, "t")) $data = array_merge($data, getTagCounters($link));
2430                 if (strchr($omode, "c")) {
2431                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2432                                 $data = array_merge($data, getCategoryCounters($link));
2433                         }
2434                 }
2435
2436                 return $data;
2437         }
2438
2439         function getCategoryCounters($link) {
2440                 $ret_arr = array();
2441
2442                 /* Labels category */
2443
2444                 $cv = array("id" => -2, "kind" => "cat",
2445                         "counter" => getCategoryUnread($link, -2));
2446
2447                 array_push($ret_arr, $cv);
2448
2449                 $age_qpart = getMaxAgeSubquery();
2450
2451                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2452                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2453                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2454                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2455
2456                 while ($line = db_fetch_assoc($result)) {
2457                         $line["cat_id"] = (int) $line["cat_id"];
2458
2459                         $cv = array("id" => $line["cat_id"], "kind" => "cat",
2460                                 "counter" => $line["unread"]);
2461
2462                         array_push($ret_arr, $cv);
2463                 }
2464
2465                 /* Special case: NULL category doesn't actually exist in the DB */
2466
2467                 $cv = array("id" => 0, "kind" => "cat",
2468                         "counter" => ccache_find($link, 0, $_SESSION["uid"], true));
2469
2470                 array_push($ret_arr, $cv);
2471
2472                 return $ret_arr;
2473         }
2474
2475         function getCategoryUnread($link, $cat, $owner_uid = false) {
2476
2477                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2478
2479                 if ($cat >= 0) {
2480
2481                         if ($cat != 0) {
2482                                 $cat_query = "cat_id = '$cat'";
2483                         } else {
2484                                 $cat_query = "cat_id IS NULL";
2485                         }
2486
2487                         $age_qpart = getMaxAgeSubquery();
2488
2489                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2490                                         AND owner_uid = " . $owner_uid);
2491
2492                         $cat_feeds = array();
2493                         while ($line = db_fetch_assoc($result)) {
2494                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2495                         }
2496
2497                         if (count($cat_feeds) == 0) return 0;
2498
2499                         $match_part = implode(" OR ", $cat_feeds);
2500
2501                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2502                                 FROM ttrss_user_entries,ttrss_entries
2503                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2504                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2505
2506                         $unread = 0;
2507
2508                         # this needs to be rewritten
2509                         while ($line = db_fetch_assoc($result)) {
2510                                 $unread += $line["unread"];
2511                         }
2512
2513                         return $unread;
2514                 } else if ($cat == -1) {
2515                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
2516                 } else if ($cat == -2) {
2517
2518                         $result = db_query($link, "
2519                                 SELECT COUNT(unread) AS unread FROM
2520                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2521                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2522                                         ttrss_labels2.owner_uid = '$owner_uid'
2523                                         AND unread = true AND feed_id = ttrss_feeds.id
2524                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2525
2526                         $unread = db_fetch_result($result, 0, "unread");
2527
2528                         return $unread;
2529
2530                 }
2531         }
2532
2533         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2534                 if (DB_TYPE == "pgsql") {
2535                         return "ttrss_entries.date_updated >
2536                                 NOW() - INTERVAL '$days days'";
2537                 } else {
2538                         return "ttrss_entries.date_updated >
2539                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2540                 }
2541         }
2542
2543         function getFeedUnread($link, $feed, $is_cat = false) {
2544                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2545         }
2546
2547         function getLabelUnread($link, $label_id, $owner_uid = false) {
2548                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2549
2550                 $result = db_query($link, "
2551                         SELECT COUNT(unread) AS unread FROM
2552                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2553                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2554                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2555                                 AND unread = true AND feed_id = ttrss_feeds.id
2556                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2557
2558                 if (db_num_rows($result) != 0) {
2559                         return db_fetch_result($result, 0, "unread");
2560                 } else {
2561                         return 0;
2562                 }
2563         }
2564
2565         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2566                 $owner_uid = false) {
2567
2568                 $n_feed = (int) $feed;
2569
2570                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2571
2572                 if ($unread_only) {
2573                         $unread_qpart = "unread = true";
2574                 } else {
2575                         $unread_qpart = "true";
2576                 }
2577
2578                 $age_qpart = getMaxAgeSubquery();
2579
2580                 if ($is_cat) {
2581                         return getCategoryUnread($link, $n_feed, $owner_uid);
2582                 } if ($feed != "0" && $n_feed == 0) {
2583
2584                         $feed = db_escape_string($feed);
2585
2586                         $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
2587                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2588                                         AND ref_id = id AND $age_qpart
2589                                         AND $unread_qpart)) AS count FROM ttrss_tags
2590                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
2591                         return db_fetch_result($result, 0, "count");
2592
2593                 } else if ($n_feed == -1) {
2594                         $match_part = "marked = true";
2595                 } else if ($n_feed == -2) {
2596                         $match_part = "published = true";
2597                 } else if ($n_feed == -3) {
2598                         $match_part = "unread = true";
2599
2600                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2601
2602                         if (DB_TYPE == "pgsql") {
2603                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2604                         } else {
2605                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2606                         }
2607                 } else if ($n_feed == -4) {
2608                         $match_part = "true";
2609                 } else if ($n_feed >= 0) {
2610
2611                         if ($n_feed != 0) {
2612                                 $match_part = "feed_id = '$n_feed'";
2613                         } else {
2614                                 $match_part = "feed_id IS NULL";
2615                         }
2616
2617                 } else if ($feed < -10) {
2618
2619                         $label_id = -$feed - 11;
2620
2621                         return getLabelUnread($link, $label_id, $owner_uid);
2622
2623                 }
2624
2625                 if ($match_part) {
2626
2627                         if ($n_feed != 0) {
2628                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
2629                                 $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2630                         } else {
2631                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
2632                                 $feeds_qpart = '';
2633                         }
2634
2635                         $query = "SELECT count(int_id) AS unread
2636                                 FROM $from_qpart WHERE
2637                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2638                                 $age_qpart AND
2639                                 $feeds_qpart
2640                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
2641
2642                         $result = db_query($link, $query);
2643
2644                 } else {
2645
2646                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2647                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2648                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2649                                 AND $unread_qpart AND $age_qpart AND
2650                                         ttrss_tags.owner_uid = " . $owner_uid);
2651                 }
2652
2653                 $unread = db_fetch_result($result, 0, "unread");
2654
2655                 return $unread;
2656         }
2657
2658         function getGlobalUnread($link, $user_id = false) {
2659
2660                 if (!$user_id) {
2661                         $user_id = $_SESSION["uid"];
2662                 }
2663
2664                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2665                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2666
2667                 $c_id = db_fetch_result($result, 0, "c_id");
2668
2669                 return $c_id;
2670         }
2671
2672         function getGlobalCounters($link, $global_unread = -1) {
2673                 $ret_arr = array();
2674
2675                 if ($global_unread == -1) {
2676                         $global_unread = getGlobalUnread($link);
2677                 }
2678
2679                 $cv = array("id" => "global-unread",
2680                         "counter" => $global_unread);
2681
2682                 array_push($ret_arr, $cv);
2683
2684                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2685                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2686
2687                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2688
2689                 $cv = array("id" => "subscribed-feeds",
2690                         "counter" => $subscribed_feeds);
2691
2692                 array_push($ret_arr, $cv);
2693
2694                 return $ret_arr;
2695         }
2696
2697         function getSubscribedFeeds($link) {
2698                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2699                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2700
2701                 return db_fetch_result($result, 0, "fn");
2702         }
2703
2704         function getTagCounters($link) {
2705
2706                 $ret_arr = array();
2707
2708                 $age_qpart = getMaxAgeSubquery();
2709
2710                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2711                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2712                                 AND ref_id = id AND $age_qpart
2713                                 AND unread = true)) AS count FROM ttrss_tags
2714                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2715                                 ORDER BY count DESC LIMIT 55");
2716
2717                 $tags = array();
2718
2719                 while ($line = db_fetch_assoc($result)) {
2720                         $tags[$line["tag_name"]] += $line["count"];
2721                 }
2722
2723                 foreach (array_keys($tags) as $tag) {
2724                         $unread = $tags[$tag];
2725                         $tag = htmlspecialchars($tag);
2726
2727                         $cv = array("id" => $tag,
2728                                 "kind" => "tag",
2729                                 "counter" => $unread);
2730
2731                         array_push($ret_arr, $cv);
2732                 }
2733
2734                 return $ret_arr;
2735         }
2736
2737         function getVirtCounters($link) {
2738
2739                 $ret_arr = array();
2740
2741                 for ($i = 0; $i >= -4; $i--) {
2742
2743                         $count = getFeedUnread($link, $i);
2744
2745                         $cv = array("id" => $i,
2746                                 "counter" => $count);
2747
2748 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2749 //                              $cv["xmsg"] = getFeedArticles($link, $i)." ".__("total");
2750
2751                         array_push($ret_arr, $cv);
2752                 }
2753
2754                 return $ret_arr;
2755         }
2756
2757         function getLabelCounters($link, $descriptions = false) {
2758
2759                 $ret_arr = array();
2760
2761                 $age_qpart = getMaxAgeSubquery();
2762
2763                 $owner_uid = $_SESSION["uid"];
2764
2765                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2766                         WHERE owner_uid = '$owner_uid'");
2767
2768                 while ($line = db_fetch_assoc($result)) {
2769
2770                         $id = -$line["id"] - 11;
2771
2772                         $label_name = $line["caption"];
2773                         $count = getFeedUnread($link, $id);
2774
2775                         $cv = array("id" => $id,
2776                                 "counter" => $count);
2777
2778                         if ($descriptions)
2779                                 $cv["description"] = $label_name;
2780
2781 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2782 //                              $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2783
2784                         array_push($ret_arr, $cv);
2785                 }
2786
2787                 return $ret_arr;
2788         }
2789
2790         function getFeedCounters($link, $active_feed = false) {
2791
2792                 $ret_arr = array();
2793
2794                 $age_qpart = getMaxAgeSubquery();
2795
2796                 $query = "SELECT ttrss_feeds.id,
2797                                 ttrss_feeds.title,
2798                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2799                                 last_error, value AS count
2800                         FROM ttrss_feeds, ttrss_counters_cache
2801                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2802                                 AND ttrss_counters_cache.feed_id = id";
2803
2804                 $result = db_query($link, $query);
2805                 $fctrs_modified = false;
2806
2807                 while ($line = db_fetch_assoc($result)) {
2808
2809                         $id = $line["id"];
2810                         $count = $line["count"];
2811                         $last_error = htmlspecialchars($line["last_error"]);
2812
2813                         $last_updated = make_local_datetime($link, $line['last_updated'], false);
2814
2815                         $has_img = feed_has_icon($id);
2816
2817                         if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
2818                                 $last_updated = '';
2819
2820                         $cv = array("id" => $id,
2821                                 "updated" => $last_updated,
2822                                 "counter" => $count,
2823                                 "has_img" => (int) $has_img);
2824
2825                         if ($last_error)
2826                                 $cv["error"] = $last_error;
2827
2828 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2829 //                              $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2830
2831                         if ($active_feed && $id == $active_feed)
2832                                 $cv["title"] = truncate_string($line["title"], 30);
2833
2834                         array_push($ret_arr, $cv);
2835
2836                 }
2837
2838                 return $ret_arr;
2839         }
2840
2841         function get_pgsql_version($link) {
2842                 $result = db_query($link, "SELECT version() AS version");
2843                 $version = split(" ", db_fetch_result($result, 0, "version"));
2844                 return $version[1];
2845         }
2846
2847         function print_error_xml($code, $add_msg = "") {
2848                 global $ERRORS;
2849
2850                 $error_msg = $ERRORS[$code];
2851
2852                 if ($add_msg) {
2853                         $error_msg = "$error_msg; $add_msg";
2854                 }
2855
2856                 print "<rpc-reply>";
2857                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2858                 print "</rpc-reply>";
2859         }
2860
2861         /**
2862          * Subscribes the user to the given feed
2863          *
2864          * @param resource $link       Database connection
2865          * @param string   $url        Feed URL to subscribe to
2866          * @param integer  $cat_id     Category ID the feed shall be added to
2867          * @param string   $auth_login (optional) Feed username
2868          * @param string   $auth_pass  (optional) Feed password
2869          *
2870          * @return integer Status code:
2871          *                 0 - OK, Feed already exists
2872          *                 1 - OK, Feed added
2873          *                 2 - Invalid URL
2874          *                 3 - URL content is HTML, no feeds available
2875          *                 4 - URL content is HTML which contains multiple feeds.
2876          *                     Here you should call extractfeedurls in rpc-backend
2877          *                     to get all possible feeds.
2878          *                 5 - Couldn't download the URL content.
2879          */
2880         function subscribe_to_feed($link, $url, $cat_id = 0,
2881                         $auth_login = '', $auth_pass = '') {
2882
2883                 $url = fix_url($url);
2884
2885                 if (!$url || !validate_feed_url($url)) return 2;
2886
2887                 $update_method = 0;
2888
2889                 if (strpos($url, '://twitter.com') === false) {
2890                         if (!fetch_file_contents($url)) return 5;
2891
2892                         if (url_is_html($url)) {
2893                                 $feedUrls = get_feeds_from_html($url);
2894                                 if (count($feedUrls) == 0) {
2895                                         return 3;
2896                                 } else if (count($feedUrls) > 1) {
2897                                         return 4;
2898                                 }
2899                                 //use feed url as new URL
2900                                 $url = key($feedUrls);
2901                         }
2902
2903                         } else {
2904                                 if (!fetch_twitter_rss($link, $url, $_SESSION['uid']))
2905                                         return 5;
2906
2907                                 $update_method = 3;
2908                         }
2909                 if ($cat_id == "0" || !$cat_id) {
2910                         $cat_qpart = "NULL";
2911                 } else {
2912                         $cat_qpart = "'$cat_id'";
2913                 }
2914
2915                 $result = db_query($link,
2916                         "SELECT id FROM ttrss_feeds
2917                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
2918
2919                 if (db_num_rows($result) == 0) {
2920                         $result = db_query($link,
2921                                 "INSERT INTO ttrss_feeds
2922                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method)
2923                                 VALUES ('".$_SESSION["uid"]."', '$url',
2924                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', '$update_method')");
2925
2926                         $result = db_query($link,
2927                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
2928                                         AND owner_uid = " . $_SESSION["uid"]);
2929
2930                         $feed_id = db_fetch_result($result, 0, "id");
2931
2932                         if ($feed_id) {
2933                                 update_rss_feed($link, $feed_id, true);
2934                         }
2935
2936                         return 1;
2937                 } else {
2938                         return 0;
2939                 }
2940         }
2941
2942         function print_feed_select($link, $id, $default_id = "",
2943                 $attributes = "", $include_all_feeds = true) {
2944
2945                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2946                 if ($include_all_feeds) {
2947                         print "<option value=\"0\">".__('All feeds')."</option>";
2948                 }
2949
2950                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2951                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2952
2953                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2954                         print "<option disabled>--------</option>";
2955                 }
2956
2957                 while ($line = db_fetch_assoc($result)) {
2958                         if ($line["id"] == $default_id) {
2959                                 $is_selected = "selected=\"1\"";
2960                         } else {
2961                                 $is_selected = "";
2962                         }
2963
2964                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
2965
2966                         printf("<option $is_selected value='%d'>%s</option>",
2967                                 $line["id"], $title);
2968                 }
2969
2970                 print "</select>";
2971         }
2972
2973         function print_feed_cat_select($link, $id, $default_id = "",
2974                 $attributes = "", $include_all_cats = true) {
2975
2976                 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
2977
2978                 if ($include_all_cats) {
2979                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2980                 }
2981
2982                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2983                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2984
2985                 if (db_num_rows($result) > 0 && $include_all_cats) {
2986                         print "<option disabled=\"1\">--------</option>";
2987                 }
2988
2989                 while ($line = db_fetch_assoc($result)) {
2990                         if ($line["id"] == $default_id) {
2991                                 $is_selected = "selected=\"1\"";
2992                         } else {
2993                                 $is_selected = "";
2994                         }
2995
2996                         if ($line["title"])
2997                                 printf("<option $is_selected value='%d'>%s</option>",
2998                                         $line["id"], htmlspecialchars($line["title"]));
2999                 }
3000
3001 #               print "<option value=\"ADD_CAT\">" .__("Add category...") . "</option>";
3002
3003                 print "</select>";
3004         }
3005
3006         function checkbox_to_sql_bool($val) {
3007                 return ($val == "on") ? "true" : "false";
3008         }
3009
3010         function getFeedCatTitle($link, $id) {
3011                 if ($id == -1) {
3012                         return __("Special");
3013                 } else if ($id < -10) {
3014                         return __("Labels");
3015                 } else if ($id > 0) {
3016                         $result = db_query($link, "SELECT ttrss_feed_categories.title
3017                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
3018                                         cat_id = ttrss_feed_categories.id");
3019                         if (db_num_rows($result) == 1) {
3020                                 return db_fetch_result($result, 0, "title");
3021                         } else {
3022                                 return __("Uncategorized");
3023                         }
3024                 } else {
3025                         return "getFeedCatTitle($id) failed";
3026                 }
3027
3028         }
3029
3030         function getFeedIcon($id) {
3031                 switch ($id) {
3032                 case 0:
3033                         return "images/archive.png";
3034                         break;
3035                 case -1:
3036                         return "images/mark_set.png";
3037                         break;
3038                 case -2:
3039                         return "images/pub_set.png";
3040                         break;
3041                 case -3:
3042                         return "images/fresh.png";
3043                         break;
3044                 case -4:
3045                         return "images/tag.png";
3046                         break;
3047                 default:
3048                         if ($id < -10) {
3049                                 return "images/label.png";
3050                         } else {
3051                                 if (file_exists(ICONS_DIR . "/$id.ico"))
3052                                         return ICONS_URL . "/$id.ico";
3053                         }
3054                         break;
3055                 }
3056         }
3057
3058         function getFeedTitle($link, $id) {
3059                 if ($id == -1) {
3060                         return __("Starred articles");
3061                 } else if ($id == -2) {
3062                         return __("Published articles");
3063                 } else if ($id == -3) {
3064                         return __("Fresh articles");
3065                 } else if ($id == -4) {
3066                         return __("All articles");
3067                 } else if ($id === 0 || $id === "0") {
3068                         return __("Archived articles");
3069                 } else if ($id < -10) {
3070                         $label_id = -$id - 11;
3071                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
3072                         if (db_num_rows($result) == 1) {
3073                                 return db_fetch_result($result, 0, "caption");
3074                         } else {
3075                                 return "Unknown label ($label_id)";
3076                         }
3077
3078                 } else if ($id > 0) {
3079                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3080                         if (db_num_rows($result) == 1) {
3081                                 return db_fetch_result($result, 0, "title");
3082                         } else {
3083                                 return "Unknown feed ($id)";
3084                         }
3085                 } else {
3086                         return $id;
3087                 }
3088         }
3089
3090         function get_session_cookie_name() {
3091                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3092         }
3093
3094         function make_init_params($link) {
3095                 $params = array();
3096
3097                 $params["theme"] = get_user_theme($link);
3098                 $params["theme_options"] = get_user_theme_options($link);
3099                 $params["daemon_enabled"] = ENABLE_UPDATE_DAEMON;
3100
3101                 $params["sign_progress"] = theme_image($link, "images/indicator_white.gif");
3102                 $params["sign_progress_tiny"] = theme_image($link, "images/indicator_tiny.gif");
3103                 $params["sign_excl"] = theme_image($link, "images/sign_excl.png");
3104                 $params["sign_info"] = theme_image($link, "images/sign_info.png");
3105
3106                 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
3107                         "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
3108                         "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE", "DEFAULT_ARTICLE_LIMIT",
3109                         "HIDE_READ_SHOWS_SPECIAL", "HIDE_FEEDLIST", "COMBINED_DISPLAY_MODE") as $param) {
3110
3111                                  $params[strtolower($param)] = (int) get_pref($link, $param);
3112                  }
3113
3114                 $params["icons_url"] = ICONS_URL;
3115                 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
3116                 $params["default_view_mode"] = get_pref($link, "_DEFAULT_VIEW_MODE");
3117                 $params["default_view_limit"] = (int) get_pref($link, "_DEFAULT_VIEW_LIMIT");
3118                 $params["default_view_order_by"] = get_pref($link, "_DEFAULT_VIEW_ORDER_BY");
3119                 $params["prefs_active_tab"] = get_pref($link, "_PREFS_ACTIVE_TAB");
3120                 $params["infobox_disable_overlay"] = get_pref($link, "_INFOBOX_DISABLE_OVERLAY");
3121                 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
3122                 $params["offline_enabled"] = (int) get_pref($link, "ENABLE_OFFLINE_READING");
3123
3124                 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
3125                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3126
3127                 $max_feed_id = db_fetch_result($result, 0, "mid");
3128                 $num_feeds = db_fetch_result($result, 0, "nf");
3129
3130                 $params["max_feed_id"] = (int) $max_feed_id;
3131                 $params["num_feeds"] = (int) $num_feeds;
3132
3133                 $params["collapsed_feedlist"] = (int) get_pref($link, "_COLLAPSED_FEEDLIST");
3134
3135                 return $params;
3136         }
3137
3138         function print_runtime_info($link) {
3139                 print "<runtime-info><![CDATA[";
3140                 print json_encode(make_runtime_info($link));
3141                 print "]]></runtime-info>";
3142         }
3143
3144         function make_runtime_info($link) {
3145                 $data = array();
3146
3147                 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
3148                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3149
3150                 $max_feed_id = db_fetch_result($result, 0, "mid");
3151                 $num_feeds = db_fetch_result($result, 0, "nf");
3152
3153                 $data["max_feed_id"] = (int) $max_feed_id;
3154                 $data["num_feeds"] = (int) $num_feeds;
3155
3156                 $data['last_article_id'] = getLastArticleId($link);
3157                 $data['cdm_expanded'] = get_pref($link, 'CDM_EXPANDED');
3158
3159                 if (ENABLE_UPDATE_DAEMON) {
3160
3161                         $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
3162
3163                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3164
3165                                 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
3166
3167                                 if ($stamp) {
3168                                         $stamp_delta = time() - $stamp;
3169
3170                                         if ($stamp_delta > 1800) {
3171                                                 $stamp_check = 0;
3172                                         } else {
3173                                                 $stamp_check = 1;
3174                                                 $_SESSION["daemon_stamp_check"] = time();
3175                                         }
3176
3177                                         $data['daemon_stamp_ok'] = $stamp_check;
3178
3179                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3180
3181                                         $data['daemon_stamp'] = $stamp_fmt;
3182                                 }
3183                         }
3184                 }
3185
3186                 if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3187                                 $new_version_details = @check_for_update($link);
3188
3189                                 $data['new_version_available'] = (int) ($new_version_details != false);
3190
3191                                 $_SESSION["last_version_check"] = time();
3192                 }
3193
3194                 return $data;
3195         }
3196
3197         function getSearchSql($search, $match_on) {
3198
3199                 $search_query_part = "";
3200
3201                 $keywords = split(" ", $search);
3202                 $query_keywords = array();
3203
3204                 if ($match_on == "both") {
3205
3206                         foreach ($keywords as $k) {
3207                                 if (strpos($k, "-") === 0) {
3208                                         $k = substr($k, 1);
3209                                         $not = "NOT";
3210                                 } else {
3211                                         $not = "";
3212                                 }
3213
3214                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
3215                                         OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3216                         }
3217
3218                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3219
3220                 } else if ($match_on == "title") {
3221
3222                         foreach ($keywords as $k) {
3223                                 if (strpos($k, "-") === 0) {
3224                                         $k = substr($k, 1);
3225                                         $not = "NOT";
3226                                 } else {
3227                                         $not = "";
3228                                 }
3229
3230                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
3231                         }
3232
3233                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3234
3235                 } else if ($match_on == "content") {
3236
3237                         foreach ($keywords as $k) {
3238                                 if (strpos($k, "-") === 0) {
3239                                         $k = substr($k, 1);
3240                                         $not = "NOT";
3241                                 } else {
3242                                         $not = "";
3243                                 }
3244
3245                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3246                         }
3247                 }
3248
3249                 $search_query_part = implode("AND", $query_keywords);
3250
3251                 return $search_query_part;
3252         }
3253
3254         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3255
3256                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3257
3258                 $ext_tables_part = "";
3259
3260                         if ($search) {
3261
3262                                 if (SPHINX_ENABLED) {
3263                                         $ids = join(",", @sphinx_search($search, 0, 500));
3264
3265                                         if ($ids)
3266                                                 $search_query_part = "ref_id IN ($ids) AND ";
3267                                         else
3268                                                 $search_query_part = "ref_id = -1 AND ";
3269
3270                                 } else {
3271                                         $search_query_part = getSearchSql($search, $match_on);
3272                                         $search_query_part .= " AND ";
3273                                 }
3274
3275                         } else {
3276                                 $search_query_part = "";
3277                         }
3278
3279                         $view_query_part = "";
3280
3281                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3282                                 if ($search) {
3283                                         $view_query_part = " ";
3284                                 } else if ($feed != -1) {
3285                                         $unread = getFeedUnread($link, $feed, $cat_view);
3286                                         if ($unread > 0) {
3287                                                 $view_query_part = " unread = true AND ";
3288                                         }
3289                                 }
3290                         }
3291
3292                         if ($view_mode == "marked") {
3293                                 $view_query_part = " marked = true AND ";
3294                         }
3295
3296                         if ($view_mode == "published") {
3297                                 $view_query_part = " published = true AND ";
3298                         }
3299
3300                         if ($view_mode == "unread") {
3301                                 $view_query_part = " unread = true AND ";
3302                         }
3303
3304                         if ($view_mode == "updated") {
3305                                 $view_query_part = " (last_read is null and unread = false) AND ";
3306                         }
3307
3308                         if ($limit > 0) {
3309                                 $limit_query_part = "LIMIT " . $limit;
3310                         }
3311
3312                         $vfeed_query_part = "";
3313
3314                         // override query strategy and enable feed display when searching globally
3315                         if ($search && $search_mode == "all_feeds") {
3316                                 $query_strategy_part = "ttrss_entries.id > 0";
3317                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3318                         /* tags */
3319                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3320                                 $query_strategy_part = "ttrss_entries.id > 0";
3321                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3322                                         id = feed_id) as feed_title,";
3323                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
3324
3325                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3326
3327                                 $tmp_result = false;
3328
3329                                 if ($cat_view) {
3330                                         $tmp_result = db_query($link, "SELECT id
3331                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3332                                 } else {
3333                                         $tmp_result = db_query($link, "SELECT id
3334                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3335                                                         WHERE id = '$feed') AND id != '$feed'");
3336                                 }
3337
3338                                 $cat_siblings = array();
3339
3340                                 if (db_num_rows($tmp_result) > 0) {
3341                                         while ($p = db_fetch_assoc($tmp_result)) {
3342                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3343                                         }
3344
3345                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3346                                                 $feed, implode(" OR ", $cat_siblings));
3347
3348                                 } else {
3349                                         $query_strategy_part = "ttrss_entries.id > 0";
3350                                 }
3351
3352                         } else if ($feed > 0) {
3353
3354                                 if ($cat_view) {
3355
3356                                         if ($feed > 0) {
3357                                                 $query_strategy_part = "cat_id = '$feed'";
3358                                         } else {
3359                                                 $query_strategy_part = "cat_id IS NULL";
3360                                         }
3361
3362                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3363
3364                                 } else {
3365                                         $query_strategy_part = "feed_id = '$feed'";
3366                                 }
3367                         } else if ($feed == 0 && !$cat_view) { // archive virtual feed
3368                                 $query_strategy_part = "feed_id IS NULL";
3369                         } else if ($feed == 0 && $cat_view) { // uncategorized
3370                                 $query_strategy_part = "cat_id IS NULL";
3371                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3372                         } else if ($feed == -1) { // starred virtual feed
3373                                 $query_strategy_part = "marked = true";
3374                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3375                         } else if ($feed == -2) { // published virtual feed OR labels category
3376
3377                                 if (!$cat_view) {
3378                                         $query_strategy_part = "published = true";
3379                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3380                                 } else {
3381                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3382
3383                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3384
3385                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3386                                                 ttrss_user_labels2.article_id = ref_id";
3387
3388                                 }
3389
3390                         } else if ($feed == -3) { // fresh virtual feed
3391                                 $query_strategy_part = "unread = true";
3392
3393                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3394
3395                                 if (DB_TYPE == "pgsql") {
3396                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3397                                 } else {
3398                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3399                                 }
3400
3401                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3402                         } else if ($feed == -4) { // all articles virtual feed
3403                                 $query_strategy_part = "true";
3404                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3405                         } else if ($feed <= -10) { // labels
3406                                 $label_id = -$feed - 11;
3407
3408                                 $query_strategy_part = "label_id = '$label_id' AND
3409                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3410                                         ttrss_user_labels2.article_id = ref_id";
3411
3412                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3413                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3414
3415                         } else {
3416                                 $query_strategy_part = "id > 0"; // dumb
3417                         }
3418
3419                         if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3420                                 $date_sort_field = "updated";
3421                         } else {
3422                                 $date_sort_field = "date_entered";
3423                         }
3424
3425                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3426                                 $order_by = "$date_sort_field";
3427                         } else {
3428                                 $order_by = "$date_sort_field DESC";
3429                         }
3430
3431                         if ($view_mode != "noscores") {
3432                                 $order_by = "score DESC, $order_by";
3433                         }
3434
3435                         if ($override_order) {
3436                                 $order_by = $override_order;
3437                         }
3438
3439                         $feed_title = "";
3440
3441                         if ($search) {
3442                                 $feed_title = "Search results";
3443                         } else {
3444                                 if ($cat_view) {
3445                                         $feed_title = getCategoryTitle($link, $feed);
3446                                 } else {
3447                                         if ((int)$feed == $feed && $feed > 0) {
3448                                                 $result = db_query($link, "SELECT title,site_url,last_error
3449                                                         FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
3450
3451                                                 $feed_title = db_fetch_result($result, 0, "title");
3452                                                 $feed_site_url = db_fetch_result($result, 0, "site_url");
3453                                                 $last_error = db_fetch_result($result, 0, "last_error");
3454                                         } else {
3455                                                 $feed_title = getFeedTitle($link, $feed);
3456                                         }
3457                                 }
3458                         }
3459
3460                         $content_query_part = "content as content_preview,";
3461
3462                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3463
3464                                 if ($feed >= 0) {
3465                                         $feed_kind = "Feeds";
3466                                 } else {
3467                                         $feed_kind = "Labels";
3468                                 }
3469
3470                                 if ($limit_query_part) {
3471                                         $offset_query_part = "OFFSET $offset";
3472                                 }
3473
3474                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3475                                         if (!$override_order) {
3476                                                 $order_by = "ttrss_feeds.title, $order_by";
3477                                         }
3478                                 }
3479
3480                                 if ($feed != "0") {
3481                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
3482                                         $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
3483
3484                                 } else {
3485                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
3486                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
3487                                 }
3488
3489                                 $query = "SELECT DISTINCT
3490                                                 date_entered,
3491                                                 guid,
3492                                                 ttrss_entries.id,ttrss_entries.title,
3493                                                 updated,
3494                                                 note,
3495                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
3496                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3497                                                 $vfeed_query_part
3498                                                 $content_query_part
3499                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3500                                                 author,score
3501                                         FROM
3502                                                 $from_qpart
3503                                         WHERE
3504                                         $feed_check_qpart
3505                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3506                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3507                                         $search_query_part
3508                                         $view_query_part
3509                                         $query_strategy_part ORDER BY $order_by
3510                                         $limit_query_part $offset_query_part";
3511
3512                                 if ($_REQUEST["debug"]) print $query;
3513
3514                                 $result = db_query($link, $query);
3515
3516                         } else {
3517                                 // browsing by tag
3518
3519                                 $feed_kind = "Tags";
3520
3521                                 $result = db_query($link, "SELECT DISTINCT
3522                                         date_entered,
3523                                         guid,
3524                                         note,
3525                                         ttrss_entries.id as id,title,
3526                                         updated,
3527                                         unread,feed_id,orig_feed_id,
3528                                         marked,link,last_read,
3529                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3530                                         $vfeed_query_part
3531                                         $content_query_part
3532                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3533                                         score
3534                                         FROM
3535                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3536                                         WHERE
3537                                                 ref_id = ttrss_entries.id AND
3538                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3539                                                 post_int_id = int_id AND tag_name = '$feed' AND
3540                                                 $view_query_part
3541                                                 $search_query_part
3542                                                 $query_strategy_part ORDER BY $order_by
3543                                         $limit_query_part");
3544                         }
3545
3546                         return array($result, $feed_title, $feed_site_url, $last_error);
3547
3548         }
3549
3550         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3551                 $limit, $search, $search_mode, $match_on, $view_mode = false) {
3552
3553                 $note_style =   "float : right; background-color : #fff7d5; border-width : 1px; ".
3554                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3555                         "margin-bottom : 1em; color : #9a8c59;";
3556
3557                 if (!$limit) $limit = 30;
3558
3559                 if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3560                         $date_sort_field = "updated";
3561                 } else {
3562                         $date_sort_field = "date_entered";
3563                 }
3564
3565                 $qfh_ret = queryFeedHeadlines($link, $feed,
3566                         $limit, $view_mode, $is_cat, $search, $search_mode,
3567                         $match_on, "$date_sort_field DESC", 0, $owner_uid);
3568
3569                 $result = $qfh_ret[0];
3570                 $feed_title = htmlspecialchars($qfh_ret[1]);
3571                 $feed_site_url = $qfh_ret[2];
3572                 $last_error = $qfh_ret[3];
3573
3574 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3575
3576                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3577                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3578                         <rss version=\"2.0\">
3579                         <channel>
3580                         <title>$feed_title</title>
3581                         <link>$feed_site_url</link>
3582                         <description>Feed generated by Tiny Tiny RSS</description>";
3583
3584                 while ($line = db_fetch_assoc($result)) {
3585                         print "<item>";
3586                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3587                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3588
3589                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3590
3591                         foreach ($tags as $tag) {
3592                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3593                         }
3594
3595                         $rfc822_date = date('r', strtotime($line["updated"]));
3596
3597                         print "<pubDate>$rfc822_date</pubDate>";
3598
3599                         if ($line["author"]) {
3600                                 print "<author>" . htmlspecialchars($line["author"]) . "</author>";
3601                         }
3602
3603                         print "<title><![CDATA[" .
3604                                 htmlspecialchars($line["title"]) . "]]></title>";
3605
3606                         print "<description><![CDATA[";
3607
3608                         if ($line["note"]) {
3609                                 print "<div style='$note_style'>";
3610                                 print $line["note"];
3611                                 print "</div>";
3612                         }
3613
3614                         print sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3615                         print "]]></description>";
3616
3617                         $enclosures = get_article_enclosures($link, $line["id"]);
3618
3619                         foreach ($enclosures as $e) {
3620                                 $type = htmlspecialchars($e['content_type']);
3621                                 $url = htmlspecialchars($e['content_url']);
3622                                 $length = $e['duration'];
3623                                 print "<enclosure url=\"$url\" type=\"$type\" length=\"$length\"/>";
3624                         }
3625
3626                         print "</item>";
3627                 }
3628
3629                 print "</channel></rss>";
3630
3631         }
3632
3633         function getCategoryTitle($link, $cat_id) {
3634
3635                 if ($cat_id == -1) {
3636                         return __("Special");
3637                 } else if ($cat_id == -2) {
3638                         return __("Labels");
3639                 } else {
3640
3641                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3642                                 id = '$cat_id'");
3643
3644                         if (db_num_rows($result) == 1) {
3645                                 return db_fetch_result($result, 0, "title");
3646                         } else {
3647                                 return "Uncategorized";
3648                         }
3649                 }
3650         }
3651
3652         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) {
3653                 global $purifier;
3654
3655                 if (!$owner) $owner = $_SESSION["uid"];
3656
3657                 $res = trim($str); if (!$res) return '';
3658
3659                 if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3660                         $res = $purifier->purify($res);
3661                 }
3662
3663                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3664                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3665                 }
3666
3667                 $charset_hack = '<head>
3668                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3669                 </head>';
3670
3671                 $res = trim($res); if (!$res) return '';
3672
3673                 libxml_use_internal_errors(true);
3674
3675                 $doc = new DOMDocument();
3676                 $doc->loadHTML($charset_hack . $res);
3677                 $xpath = new DOMXPath($doc);
3678
3679                 $entries = $xpath->query('(//a[@href]|//img[@src])');
3680                 $br_inserted = 0;
3681
3682                 foreach ($entries as $entry) {
3683
3684                         if ($site_url) {
3685
3686                                 if ($entry->hasAttribute('href'))
3687                                         $entry->setAttribute('href',
3688                                                 rewrite_relative_url($site_url, $entry->getAttribute('href')));
3689
3690                                 if ($entry->hasAttribute('src'))
3691                                         $entry->setAttribute('src',
3692                                                 rewrite_relative_url($site_url, $entry->getAttribute('src')));
3693                         }
3694
3695                         if (strtolower($entry->nodeName) == "a") {
3696                                 $entry->setAttribute("target", "_blank");
3697                         }
3698
3699                         if (strtolower($entry->nodeName) == "img" && !$br_inserted) {
3700                                 $br = $doc->createElement("br");
3701
3702                                 if ($entry->parentNode->nextSibling) {
3703                                         $entry->parentNode->insertBefore($br, $entry->nextSibling);
3704                                         $br_inserted = 1;
3705                                 }
3706
3707                         }
3708                 }
3709
3710                 $node = $doc->getElementsByTagName('body')->item(0);
3711
3712                 return $doc->saveXML($node);
3713         }
3714
3715         /**
3716          * Send by mail a digest of last articles.
3717          *
3718          * @param mixed $link The database connection.
3719          * @param integer $limit The maximum number of articles by digest.
3720          * @return boolean Return false if digests are not enabled.
3721          */
3722         function send_headlines_digests($link, $limit = 100) {
3723
3724                 if (!DIGEST_ENABLE) return false;
3725
3726                 $user_limit = DIGEST_EMAIL_LIMIT;
3727                 $days = 1;
3728
3729                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3730
3731                 if (DB_TYPE == "pgsql") {
3732                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3733                 } else if (DB_TYPE == "mysql") {
3734                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3735                 }
3736
3737                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3738                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3739
3740                 while ($line = db_fetch_assoc($result)) {
3741
3742                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3743                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3744
3745                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3746
3747                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3748                                 $digest = $tuple[0];
3749                                 $headlines_count = $tuple[1];
3750                                 $affected_ids = $tuple[2];
3751                                 $digest_text = $tuple[3];
3752
3753                                 if ($headlines_count > 0) {
3754
3755                                         $mail = new PHPMailer();
3756
3757                                         $mail->PluginDir = "lib/phpmailer/";
3758                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3759
3760                                         $mail->CharSet = "UTF-8";
3761
3762                                         $mail->From = DIGEST_FROM_ADDRESS;
3763                                         $mail->FromName = DIGEST_FROM_NAME;
3764                                         $mail->AddAddress($line["email"], $line["login"]);
3765
3766                                         if (DIGEST_SMTP_HOST) {
3767                                                 $mail->Host = DIGEST_SMTP_HOST;
3768                                                 $mail->Mailer = "smtp";
3769                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3770                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3771                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3772                                         }
3773
3774                                         $mail->IsHTML(true);
3775                                         $mail->Subject = DIGEST_SUBJECT;
3776                                         $mail->Body = $digest;
3777                                         $mail->AltBody = $digest_text;
3778
3779                                         $rc = $mail->Send();
3780
3781                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3782
3783                                         print "RC=$rc\n";
3784
3785                                         if ($rc && $do_catchup) {
3786                                                 print "Marking affected articles as read...\n";
3787                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3788                                         }
3789                                 } else {
3790                                         print "No headlines\n";
3791                                 }
3792
3793                                 db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3794                                         WHERE id = " . $line["id"]);
3795                         }
3796                 }
3797
3798                 print "All done.\n";
3799
3800         }
3801
3802         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3803
3804                 require_once "lib/MiniTemplator.class.php";
3805
3806                 $tpl = new MiniTemplator;
3807                 $tpl_t = new MiniTemplator;
3808
3809                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3810                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3811
3812                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3813                 $tpl->setVariable('CUR_TIME', date('G:i'));
3814
3815                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3816                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3817
3818                 $affected_ids = array();
3819
3820                 if (DB_TYPE == "pgsql") {
3821                         $interval_query = "ttrss_entries.date_updated > NOW() - INTERVAL '$days days'";
3822                 } else if (DB_TYPE == "mysql") {
3823                         $interval_query = "ttrss_entries.date_updated > DATE_SUB(NOW(), INTERVAL $days DAY)";
3824                 }
3825
3826                 $result = db_query($link, "SELECT ttrss_entries.title,
3827                                 ttrss_feeds.title AS feed_title,
3828                                 date_updated,
3829                                 ttrss_user_entries.ref_id,
3830                                 link,
3831                                 SUBSTRING(content, 1, 120) AS excerpt,
3832                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3833                         FROM
3834                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3835                         WHERE
3836                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3837                                 AND include_in_digest = true
3838                                 AND $interval_query
3839                                 AND ttrss_user_entries.owner_uid = $user_id
3840                                 AND unread = true
3841                         ORDER BY ttrss_feeds.title, date_updated DESC
3842                         LIMIT $limit");
3843
3844                 $cur_feed_title = "";
3845
3846                 $headlines_count = db_num_rows($result);
3847
3848                 $headlines = array();
3849
3850                 while ($line = db_fetch_assoc($result)) {
3851                         array_push($headlines, $line);
3852                 }
3853
3854                 for ($i = 0; $i < sizeof($headlines); $i++) {
3855
3856                         $line = $headlines[$i];
3857
3858                         array_push($affected_ids, $line["ref_id"]);
3859
3860                         $updated = make_local_datetime($link, $line['last_updated'], false,
3861                                 $user_id);
3862
3863                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3864                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3865                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3866                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3867                         $tpl->setVariable('ARTICLE_EXCERPT',
3868                                 truncate_string(strip_tags($line["excerpt"]), 100));
3869
3870                         $tpl->addBlock('article');
3871
3872                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3873                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3874                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3875                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3876 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3877 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3878
3879                         $tpl_t->addBlock('article');
3880
3881                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3882                                 $tpl->addBlock('feed');
3883                                 $tpl_t->addBlock('feed');
3884                         }
3885
3886                 }
3887
3888                 $tpl->addBlock('digest');
3889                 $tpl->generateOutputToString($tmp);
3890
3891                 $tpl_t->addBlock('digest');
3892                 $tpl_t->generateOutputToString($tmp_t);
3893
3894                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3895         }
3896
3897         function check_for_update($link) {
3898                 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
3899                         $version_url = "http://tt-rss.org/version.php?ver=" . VERSION;
3900
3901                         $version_data = @fetch_file_contents($version_url);
3902
3903                         if ($version_data) {
3904                                 $version_data = json_decode($version_data, true);
3905                                 if ($version_data && $version_data['version']) {
3906
3907                                         if (version_compare(VERSION, $version_data['version']) == -1) {
3908                                                 return $version_data['version'];
3909                                         }
3910                                 }
3911                         }
3912                 }
3913                 return false;
3914         }
3915
3916         function markArticlesById($link, $ids, $cmode) {
3917
3918                 $tmp_ids = array();
3919
3920                 foreach ($ids as $id) {
3921                         array_push($tmp_ids, "ref_id = '$id'");
3922                 }
3923
3924                 $ids_qpart = join(" OR ", $tmp_ids);
3925
3926                 if ($cmode == 0) {
3927                         db_query($link, "UPDATE ttrss_user_entries SET
3928                         marked = false,last_read = NOW()
3929                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3930                 } else if ($cmode == 1) {
3931                         db_query($link, "UPDATE ttrss_user_entries SET
3932                         marked = true
3933                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3934                 } else {
3935                         db_query($link, "UPDATE ttrss_user_entries SET
3936                         marked = NOT marked,last_read = NOW()
3937                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3938                 }
3939         }
3940
3941         function publishArticlesById($link, $ids, $cmode) {
3942
3943                 $tmp_ids = array();
3944
3945                 foreach ($ids as $id) {
3946                         array_push($tmp_ids, "ref_id = '$id'");
3947                 }
3948
3949                 $ids_qpart = join(" OR ", $tmp_ids);
3950
3951                 if ($cmode == 0) {
3952                         db_query($link, "UPDATE ttrss_user_entries SET
3953                         published = false,last_read = NOW()
3954                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3955                 } else if ($cmode == 1) {
3956                         db_query($link, "UPDATE ttrss_user_entries SET
3957                         published = true
3958                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3959                 } else {
3960                         db_query($link, "UPDATE ttrss_user_entries SET
3961                         published = NOT published,last_read = NOW()
3962                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3963                 }
3964         }
3965
3966         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
3967
3968                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3969                 if (count($ids) == 0) return;
3970
3971                 $tmp_ids = array();
3972
3973                 foreach ($ids as $id) {
3974                         array_push($tmp_ids, "ref_id = '$id'");
3975                 }
3976
3977                 $ids_qpart = join(" OR ", $tmp_ids);
3978
3979                 if ($cmode == 0) {
3980                         db_query($link, "UPDATE ttrss_user_entries SET
3981                         unread = false,last_read = NOW()
3982                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3983                 } else if ($cmode == 1) {
3984                         db_query($link, "UPDATE ttrss_user_entries SET
3985                         unread = true
3986                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3987                 } else {
3988                         db_query($link, "UPDATE ttrss_user_entries SET
3989                         unread = NOT unread,last_read = NOW()
3990                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3991                 }
3992
3993                 /* update ccache */
3994
3995                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
3996                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3997
3998                 while ($line = db_fetch_assoc($result)) {
3999                         ccache_update($link, $line["feed_id"], $owner_uid);
4000                 }
4001         }
4002
4003         function catchupArticleById($link, $id, $cmode) {
4004
4005                 if ($cmode == 0) {
4006                         db_query($link, "UPDATE ttrss_user_entries SET
4007                         unread = false,last_read = NOW()
4008                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4009                 } else if ($cmode == 1) {
4010                         db_query($link, "UPDATE ttrss_user_entries SET
4011                         unread = true
4012                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4013                 } else {
4014                         db_query($link, "UPDATE ttrss_user_entries SET
4015                         unread = NOT unread,last_read = NOW()
4016                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4017                 }
4018
4019                 $feed_id = getArticleFeed($link, $id);
4020                 ccache_update($link, $feed_id, $_SESSION["uid"]);
4021         }
4022
4023         function make_guid_from_title($title) {
4024                 return preg_replace("/[ \"\',.:;]/", "-",
4025                         mb_strtolower(strip_tags($title), 'utf-8'));
4026         }
4027
4028         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4029                         $feed_id, $is_cat, $search, $match_on,
4030                         $search_mode, $view_mode, $error) {
4031
4032                         $page_prev_link = "viewFeedGoPage(-1)";
4033                         $page_next_link = "viewFeedGoPage(1)";
4034                         $page_first_link = "viewFeedGoPage(0)";
4035
4036                         $catchup_page_link = "catchupPage()";
4037                         $catchup_feed_link = "catchupCurrentFeed()";
4038                         $catchup_sel_link = "catchupSelection()";
4039
4040                         $archive_sel_link = "archiveSelection()";
4041                         $delete_sel_link = "deleteSelection()";
4042
4043                         $sel_all_link = "selectArticles('all')";
4044                         $sel_unread_link = "selectArticles('unread')";
4045                         $sel_none_link = "selectArticles('none')";
4046                         $sel_inv_link = "selectArticles('invert')";
4047
4048                         $tog_unread_link = "selectionToggleUnread()";
4049                         $tog_marked_link = "selectionToggleMarked()";
4050                         $tog_published_link = "selectionTogglePublished()";
4051
4052                         print "<div id=\"subtoolbar_main\">";
4053
4054                         print __('Select:')."
4055                                 <a href=\"#\" onclick=\"$sel_all_link\">".__('All')."</a>,
4056                                 <a href=\"#\" onclick=\"$sel_unread_link\">".__('Unread')."</a>,
4057                                 <a href=\"#\" onclick=\"$sel_inv_link\">".__('Invert')."</a>,
4058                                 <a href=\"#\" onclick=\"$sel_none_link\">".__('None')."</a></li>";
4059
4060                         print " ";
4061
4062                         print "<select dojoType=\"dijit.form.Select\"
4063                                 onchange=\"headlineActionsChange(this)\">";
4064                         print "<option value=\"false\">".__('Actions...')."</option>";
4065
4066                         print "<option value=\"0\" disabled=\"1\">".__('Selection toggle:')."</option>";
4067
4068                         print "<option value=\"$tog_unread_link\">".__('Unread')."</option>
4069                                 <option value=\"$tog_marked_link\">".__('Starred')."</option>
4070                                 <option value=\"$tog_published_link\">".__('Published')."</option>";
4071
4072                         print "<option value=\"0\" disabled=\"1\">".__('Selection:')."</option>";
4073
4074                         print "<option value=\"$catchup_sel_link\">".__('Mark as read')."</option>";
4075
4076                         if ($feed_id != "0") {
4077                                 print "<option value=\"$archive_sel_link\">".__('Archive')."</option>";
4078                         } else {
4079                                 print "<option value=\"$archive_sel_link\">".__('Move back')."</option>";
4080                                 print "<option value=\"$delete_sel_link\">".__('Delete')."</option>";
4081
4082                         }
4083
4084                         print "<option value=\"emailArticle(false)\">".__('Forward by email').
4085                                 "</option>";
4086
4087                         $rss_link = htmlspecialchars(get_self_url_prefix() .
4088                                 "/backend.php?op=rss&id=$feed_id&is_cat=$is_cat$view_mode$search_q");
4089
4090                         print "<option value=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">".__('View as RSS')."</option>";
4091
4092                         print "</select>";
4093
4094                         print "</div>";
4095
4096                         print "<div id=\"subtoolbar_ftitle\">";
4097
4098                         if ($feed_site_url) {
4099                                 $target = "target=\"_blank\"";
4100                                 print "<a title=\"".__("Visit the website")."\" $target href=\"$feed_site_url\">".
4101                                         truncate_string($feed_title,30)."</a>";
4102
4103                                 if ($error) {
4104                                         print " (<span class=\"error\" title=\"$error\">Error</span>)";
4105                                 }
4106
4107                         } else {
4108                                 if ($feed_id < -10) {
4109                                         $label_id = -11-$feed_id;
4110
4111                                         $result = db_query($link, "SELECT fg_color, bg_color
4112                                                 FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
4113                                                 $_SESSION["uid"]);
4114
4115                                         if (db_num_rows($result) != 0) {
4116                                                 $fg_color = db_fetch_result($result, 0, "fg_color");
4117                                                 $bg_color = db_fetch_result($result, 0, "bg_color");
4118
4119                                                 print "<span style='background : $bg_color; color : $fg_color'>";
4120                                                 print $feed_title;
4121                                                 print "</span>";
4122                                         } else {
4123                                                 print $feed_title;
4124                                         }
4125
4126                                 } else {
4127                                         print $feed_title;
4128                                 }
4129                         }
4130
4131                         if ($search) {
4132                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4133                         } else {
4134                                 $search_q = "";
4135                         }
4136
4137                         // Adaptive doesn't really make any sense for generated feeds
4138                         // All Articles is the default, so no need to insert it either
4139                         if ($view_mode == "adaptive" || $view_mode == "all_articles")
4140                                 $view_mode = "";
4141                         else
4142                                 $view_mode = "&view-mode=$view_mode";
4143
4144                         print "
4145                                 <a href=\"#\"
4146                                         title=\"".__("View as RSS feed")."\"
4147                                         onclick=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">
4148                                         <img class=\"noborder\" style=\"vertical-align : middle\" src=\"images/feed-icon-12x12.png\"></a>";
4149
4150                         print "</div>";
4151
4152                 }
4153
4154         function outputFeedList($link, $special = true) {
4155
4156                 $feedlist = array();
4157
4158                 $enable_cats = get_pref($link, 'ENABLE_FEED_CATS');
4159
4160                 $feedlist['identifier'] = 'id';
4161                 $feedlist['label'] = 'name';
4162                 $feedlist['items'] = array();
4163
4164                 $owner_uid = $_SESSION["uid"];
4165
4166                 /* virtual feeds */
4167
4168                 if ($special) {
4169
4170                         if ($enable_cats) {
4171                                 $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4172                                 $cat = feedlist_init_cat($link, -1, $cat_hidden);
4173                         } else {
4174                                 $cat['items'] = array();
4175                         }
4176
4177                         foreach (array(-4, -3, -1, -2, 0) as $i) {
4178                                 array_push($cat['items'], feedlist_init_feed($link, $i));
4179                         }
4180
4181                         if ($enable_cats) {
4182                                 array_push($feedlist['items'], $cat);
4183                         } else {
4184                                 $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4185                         }
4186
4187                         $result = db_query($link, "SELECT * FROM
4188                                 ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4189
4190                         if (db_num_rows($result) > 0) {
4191
4192                                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4193                                         $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
4194                                         $cat = feedlist_init_cat($link, -2, $cat_hidden);
4195                                 } else {
4196                                         $cat['items'] = array();
4197                                 }
4198
4199                                 while ($line = db_fetch_assoc($result)) {
4200
4201                                         $label_id = -$line['id'] - 11;
4202                                         $count = getFeedUnread($link, $label_id);
4203
4204                                         $feed = feedlist_init_feed($link, $label_id, false, $count);
4205
4206                                         $feed['fg_color'] = $line['fg_color'];
4207                                         $feed['bg_color'] = $line['bg_color'];
4208
4209                                         array_push($cat['items'], $feed);
4210                                 }
4211
4212                                 if ($enable_cats) {
4213                                         array_push($feedlist['items'], $cat);
4214                                 } else {
4215                                         $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4216                                 }
4217                         }
4218                 }
4219
4220 /*              if (get_pref($link, 'ENABLE_FEED_CATS')) {
4221                         if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4222                                 $order_by_qpart = "order_id,category,unread DESC,title";
4223                         } else {
4224                                 $order_by_qpart = "order_id,category,title";
4225                         }
4226                 } else {
4227                         if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4228                                 $order_by_qpart = "unread DESC,title";
4229                         } else {
4230                                 $order_by_qpart = "title";
4231                         }
4232                 } */
4233
4234                 /* real feeds */
4235
4236                 if ($enable_cats)
4237                         $order_by_qpart = "ttrss_feed_categories.order_id,category,
4238                                 ttrss_feeds.order_id,title";
4239                 else
4240                         $order_by_qpart = "title";
4241
4242                 $age_qpart = getMaxAgeSubquery();
4243
4244                 $query = "SELECT ttrss_feeds.id, ttrss_feeds.title,
4245                         ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4246                         cat_id,last_error,
4247                         ttrss_feed_categories.title AS category,
4248                         ttrss_feed_categories.collapsed,
4249                         value AS unread
4250                         FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4251                                 ON (ttrss_feed_categories.id = cat_id)
4252                         LEFT JOIN ttrss_counters_cache
4253                                 ON
4254                                         (ttrss_feeds.id = feed_id)
4255                         WHERE
4256                                 ttrss_feeds.owner_uid = '$owner_uid'
4257                         ORDER BY $order_by_qpart";
4258
4259                 $result = db_query($link, $query);
4260
4261                 $actid = $_REQUEST["actid"];
4262
4263                 if (db_num_rows($result) > 0) {
4264
4265                         $category = "";
4266
4267                         if (!$enable_cats)
4268                                 $cat['items'] = array();
4269                         else
4270                                 $cat = false;
4271
4272                         while ($line = db_fetch_assoc($result)) {
4273
4274                                 $feed = htmlspecialchars(trim($line["title"]));
4275
4276                                 if (!$feed) $feed = "[Untitled]";
4277
4278                                 $feed_id = $line["id"];
4279                                 $unread = $line["unread"];
4280
4281                                 $cat_id = $line["cat_id"];
4282                                 $tmp_category = $line["category"];
4283                                 if (!$tmp_category) $tmp_category = __("Uncategorized");
4284
4285                                 if ($category != $tmp_category && $enable_cats) {
4286
4287                                         $category = $tmp_category;
4288
4289                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4290
4291                                         // workaround for NULL category
4292                                         if ($category == __("Uncategorized")) {
4293                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4294                                         }
4295
4296                                         if ($cat) array_push($feedlist['items'], $cat);
4297
4298                                         $cat = feedlist_init_cat($link, $cat_id, $collapsed);
4299                                 }
4300
4301                                 $updated = make_local_datetime($link, $line["updated_noms"], false);
4302
4303                                 array_push($cat['items'], feedlist_init_feed($link, $feed_id,
4304                                         $feed, $unread, $line['last_error'], $updated));
4305                         }
4306
4307                         if ($enable_cats) {
4308                                 array_push($feedlist['items'], $cat);
4309                         } else {
4310                                 $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4311                         }
4312
4313                 }
4314
4315                 return $feedlist;
4316         }
4317
4318         function get_article_tags($link, $id, $owner_uid = 0) {
4319
4320                 global $memcache;
4321
4322                 $a_id = db_escape_string($id);
4323
4324                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4325
4326                 $query = "SELECT DISTINCT tag_name,
4327                         owner_uid as owner FROM
4328                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4329                         ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
4330
4331                 $obj_id = md5("TAGS:$owner_uid:$id");
4332                 $tags = array();
4333
4334                 if ($memcache && $obj = $memcache->get($obj_id)) {
4335                         $tags = $obj;
4336                 } else {
4337                         /* check cache first */
4338
4339                         $result = db_query($link, "SELECT tag_cache FROM ttrss_user_entries
4340                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4341
4342                         $tag_cache = db_fetch_result($result, 0, "tag_cache");
4343
4344                         if ($tag_cache) {
4345                                 $tags = explode(",", $tag_cache);
4346                         } else {
4347
4348                                 /* do it the hard way */
4349
4350                                 $tmp_result = db_query($link, $query);
4351
4352                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4353                                         array_push($tags, $tmp_line["tag_name"]);
4354                                 }
4355
4356                                 /* update the cache */
4357
4358                                 $tags_str = db_escape_string(join(",", $tags));
4359
4360                                 db_query($link, "UPDATE ttrss_user_entries
4361                                         SET tag_cache = '$tags_str' WHERE ref_id = '$id'
4362                                         AND owner_uid = " . $_SESSION["uid"]);
4363                         }
4364
4365                         if ($memcache) $memcache->add($obj_id, $tags, 0, 3600);
4366                 }
4367
4368                 return $tags;
4369         }
4370
4371         function trim_value(&$value) {
4372                 $value = trim($value);
4373         }
4374
4375         function trim_array($array) {
4376                 $tmp = $array;
4377                 array_walk($tmp, 'trim_value');
4378                 return $tmp;
4379         }
4380
4381         function tag_is_valid($tag) {
4382                 if ($tag == '') return false;
4383                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4384                 if (mb_strlen($tag) > 250) return false;
4385
4386                 if (function_exists('iconv')) {
4387                         $tag = iconv("utf-8", "utf-8", $tag);
4388                 }
4389
4390                 if (!$tag) return false;
4391
4392                 return true;
4393         }
4394
4395         function render_login_form($link, $mobile = 0) {
4396                 switch ($mobile) {
4397                 case 0:
4398                         require_once "login_form.php";
4399                         break;
4400                 case 1:
4401                         require_once "mobile/login_form.php";
4402                         break;
4403                 case 2:
4404                         require_once "mobile/classic/login_form.php";
4405                 }
4406         }
4407
4408         // from http://developer.apple.com/internet/safari/faq.html
4409         function no_cache_incantation() {
4410                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4411                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4412                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4413                 header("Cache-Control: post-check=0, pre-check=0", false);
4414                 header("Pragma: no-cache"); // HTTP/1.0
4415         }
4416
4417         function format_warning($msg, $id = "") {
4418                 global $link;
4419                 return "<div class=\"warning\" id=\"$id\">
4420                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4421         }
4422
4423         function format_notice($msg) {
4424                 global $link;
4425                 return "<div class=\"notice\" id=\"$id\">
4426                         <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
4427         }
4428
4429         function format_error($msg) {
4430                 global $link;
4431                 return "<div class=\"error\" id=\"$id\">
4432                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4433         }
4434
4435         function print_notice($msg) {
4436                 return print format_notice($msg);
4437         }
4438
4439         function print_warning($msg) {
4440                 return print format_warning($msg);
4441         }
4442
4443         function print_error($msg) {
4444                 return print format_error($msg);
4445         }
4446
4447
4448         function T_sprintf() {
4449                 $args = func_get_args();
4450                 return vsprintf(__(array_shift($args)), $args);
4451         }
4452
4453         function format_inline_player($link, $url, $ctype) {
4454
4455                 $entry = "";
4456
4457                 if (($ctype == __("audio/mpeg")) &&  (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4458
4459                         $entry .= "<object type=\"application/x-shockwave-flash\"
4460                                 data=\"extras/button/musicplayer.swf?song_url=$url\"
4461                                 width=\"17\" height=\"17\">
4462                                         <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object>";
4463                 }
4464
4465                 /*
4466
4467                 if (substr($ctype,0,6)=="audio/" || $ctype=="application/ogg" || $ctype=="application/x-ogg") {
4468                         $entry .= "<audio controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4469                         if (($ctype == __("audio/mpeg")) &&
4470                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4471                                 $entry .= "<span><object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object></span>";
4472                         }
4473                         $entry .= "</audio> ";
4474                         if (($ctype == __("audio/mpeg")) &&
4475                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4476                                 $entry .= "<a id='switchToFlashLink' href='#' onclick='return switchToFlash(this)'>".__('Switch to Flash Player')."</a>";
4477                                 $entry .= "<script type='text/javascript'>html5AudioOrFlash('$ctype');</script>";
4478                         }
4479                 } elseif (substr($ctype,0,6)=="video/") {
4480                         $entry .= "<video controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4481                         $entry .= "</video>";
4482                 } */
4483
4484
4485
4486                 return $entry;
4487         }
4488
4489         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4490                 $zoom_mode = false) {
4491
4492                 /* we can figure out feed_id from article id anyway, why do we
4493                  * pass feed_id here? let's ignore the argument :( */
4494
4495                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4496                         WHERE ref_id = '$id'");
4497
4498                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4499
4500                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4501
4502                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4503                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4504
4505                 if (db_num_rows($result) == 1) {
4506                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4507                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4508                 } else {
4509                         $rtl_content = false;
4510                         $always_display_enclosures = false;
4511                 }
4512
4513                 if ($rtl_content) {
4514                         $rtl_tag = "dir=\"RTL\"";
4515                         $rtl_class = "RTL";
4516                 } else {
4517                         $rtl_tag = "";
4518                         $rtl_class = "";
4519                 }
4520
4521                 if ($mark_as_read) {
4522                         $result = db_query($link, "UPDATE ttrss_user_entries
4523                                 SET unread = false,last_read = NOW()
4524                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4525
4526                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4527                 }
4528
4529                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4530                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4531                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4532                         (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
4533                         num_comments,
4534                         author,
4535                         orig_feed_id,
4536                         note
4537                         FROM ttrss_entries,ttrss_user_entries
4538                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4539
4540                 if ($result) {
4541
4542                         $line = db_fetch_assoc($result);
4543
4544                         if ($line["icon_url"]) {
4545                                 $feed_icon = "<img src=\"" . $line["icon_url"] . "\">";
4546                         } else {
4547                                 $feed_icon = "&nbsp;";
4548                         }
4549
4550                         $feed_site_url = $line['site_url'];
4551
4552                         $num_comments = $line["num_comments"];
4553                         $entry_comments = "";
4554
4555                         if ($num_comments > 0) {
4556                                 if ($line["comments"]) {
4557                                         $comments_url = $line["comments"];
4558                                 } else {
4559                                         $comments_url = $line["link"];
4560                                 }
4561                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
4562                         } else {
4563                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4564                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
4565                                 }
4566                         }
4567
4568                         if ($zoom_mode) {
4569                                 header("Content-Type: text/html");
4570                                 print "<html><head>
4571                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4572                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4573                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4574                                         </head><body>";
4575                         }
4576
4577                         print "<div id=\"PTITLE-$id\" style=\"display : none\">" .
4578                                 truncate_string(strip_tags($line['title']), 15) . "</div>";
4579
4580                         $tweet_title = htmlspecialchars(
4581                                 truncate_string(strip_tags($line['title']), 100, '...'));
4582
4583                         $tweet_link = htmlspecialchars($line['link']);
4584
4585                         print "<span id=\"TWEETINFO-$id\" style=\"display : none\">";
4586                         print json_encode(array("title" => $tweet_title, "link" => $tweet_link));
4587                         print "</span>";
4588
4589                         print "<div class=\"postReply\" id=\"POST-$id\">";
4590
4591                         /* print "<div dojoType=\"dijit.Menu\" style=\"display: none;\"
4592                                 targetNodeIds=\"POSTHDR-$id\">";
4593                         print "<div onclick=\"postOpenInNewTab(event, $id)\"
4594                                 dojoType=\"dijit.MenuItem\">".__('View in a new tab')."</div>";
4595                         print "<div dojoType=\"dijit.MenuSeparator\"></div>";
4596                         print "<div onclick=\"openArticleInNewWindow($id)\"
4597                                 dojoType=\"dijit.MenuItem\">".__('Open original article')."</div>";
4598                         print "</div>"; */
4599
4600                         print "<div onclick=\"return postClicked(event, $id)\"
4601                                 class=\"postHeader\" id=\"POSTHDR-$id\">";
4602
4603                         $entry_author = $line["author"];
4604
4605                         if ($entry_author) {
4606                                 $entry_author = __(" - ") . $entry_author;
4607                         }
4608
4609                         $parsed_updated = make_local_datetime($link, $line["updated"], true,
4610                                 false, true);
4611
4612                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4613
4614                         if ($line["link"]) {
4615                                 print "<div clear='both'><a target='_blank' href=\"" .
4616                                         $line["link"] . "\">" .
4617                                         $line["title"] . "<span class='author'>$entry_author</span></a></div>";
4618                         } else {
4619                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4620                         }
4621
4622                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4623
4624                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4625
4626                         print "<div style='float : right'>
4627                                 <img src='".theme_image($link, 'images/tag.png')."'
4628                                 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4629
4630                         if (!$zoom_mode) {
4631                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4632                                         <a title=\"".__('Edit tags for this article')."\"
4633                                         href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
4634
4635                                 print "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
4636                                                 class='tagsPic' style=\"cursor : pointer\"
4637                                                 onclick=\"postOpenInNewTab(event, $id)\"
4638                                                 alt='Zoom' title='".__('Open article in new tab')."'>";
4639
4640                                 $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4641
4642                                 print "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\"
4643                                                 class='tagsPic' style=\"cursor : pointer\"
4644                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
4645                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
4646
4647                                 if (DIGEST_ENABLE) {
4648                                         print "<img src=\"".theme_image($link, 'images/art-email.png')."\"
4649                                                 class='tagsPic' style=\"cursor : pointer\"
4650                                                 onclick=\"emailArticle($id)\"
4651                                                 alt='Zoom' title='".__('Forward by email')."'>";
4652                                 }
4653
4654                                 if (ENABLE_TWEET_BUTTON) {
4655                                         print "<img src=\"".theme_image($link, 'images/art-tweet.png')."\"
4656                                                         class='tagsPic' style=\"cursor : pointer\"
4657                                                         onclick=\"tweetArticle($id)\"
4658                                                         alt='Zoom' title='".__('Share on Twitter')."'>";
4659                                 }
4660
4661                                 print "<img src=\"".theme_image($link, 'images/digest_checkbox.png')."\"
4662                                                 class='tagsPic' style=\"cursor : pointer\"
4663                                                 onclick=\"closeArticlePanel($id)\"
4664                                                 alt='Zoom' title='".__('Close this panel')."'>";
4665
4666                         } else {
4667                                 $tags_str = strip_tags($tags_str);
4668                                 print "<span id=\"ATSTR-$id\">$tags_str</span>";
4669                         }
4670                         print "</div>";
4671                         print "<div clear='both'>$entry_comments</div>";
4672
4673                         if ($line["orig_feed_id"]) {
4674
4675                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
4676                                         WHERE id = ".$line["orig_feed_id"]);
4677
4678                                 if (db_num_rows($tmp_result) != 0) {
4679
4680                                         print "<div clear='both'>";
4681                                         print __("Originally from:");
4682
4683                                         print "&nbsp;";
4684
4685                                         $tmp_line = db_fetch_assoc($tmp_result);
4686
4687                                         print "<a target='_blank'
4688                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
4689                                                 $tmp_line['title'] . "</a>";
4690
4691                                         print "&nbsp;";
4692
4693                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
4694                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
4695
4696                                         print "</div>";
4697                                 }
4698                         }
4699
4700                         print "</div>";
4701
4702                         print "<div class=\"postIcon\">" .
4703                                 "<a target=\"_blank\" title=\"".__("Visit the website")."\"$
4704                                 href=\"".htmlspecialchars($feed_site_url)."\">".
4705                                 $feed_icon . "</a></div>";
4706
4707                         print "<div class=\"postContent\">";
4708
4709                         $article_content = sanitize_rss($link, $line["content"], false, false,
4710                                 $feed_site_url);
4711
4712                         print "<div id=\"POSTNOTE-$id\">";
4713                                 if ($line['note']) {
4714                                         print format_article_note($id, $line['note']);
4715                                 }
4716                         print "</div>";
4717
4718                         print $article_content;
4719
4720                         print_article_enclosures($link, $id, $always_display_enclosures,
4721                                 $article_content);
4722
4723                         print "</div>";
4724
4725                         print "</div>";
4726
4727                 }
4728
4729                 if (!$zoom_mode) {
4730                         print "]]></article>";
4731                 } else {
4732                         print "
4733                                 <div style=\"text-align : center\">
4734                                 <button onclick=\"return window.close()\">".
4735                                         __("Close this window")."</button></div>";
4736                         print "</body></html>";
4737
4738                 }
4739
4740         }
4741
4742         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4743                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4744                                         $override_order = false) {
4745
4746                 $disable_cache = false;
4747
4748                 $timing_info = getmicrotime();
4749
4750                 $topmost_article_ids = array();
4751
4752                 if (!$offset) {
4753                         $offset = 0;
4754                 }
4755
4756                 if ($subop == "undefined") $subop = "";
4757
4758                 $subop_split = split(":", $subop);
4759
4760                 if ($subop == "CatchupSelected") {
4761                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
4762                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
4763
4764                         catchupArticlesById($link, $ids, $cmode);
4765                 }
4766
4767                 if ($subop == "MarkAllRead")  {
4768                         catchup_feed($link, $feed, $cat_view);
4769
4770                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4771                                 if ($next_unread_feed) {
4772                                         $feed = $next_unread_feed;
4773                                 }
4774                         }
4775                 }
4776
4777                 if ($subop_split[0] == "MarkAllReadGR")  {
4778                         catchup_feed($link, $subop_split[1], false);
4779                 }
4780
4781                 // FIXME: might break tag display?
4782
4783                 if ($feed > 0 && !$cat_view) {
4784                         $result = db_query($link,
4785                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4786
4787                         if (db_num_rows($result) == 0) {
4788                                 print "<div align='center'>".__('Feed not found.')."</div>";
4789                                 return;
4790                         }
4791                 }
4792
4793                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4794
4795                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4796                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4797
4798                         if (db_num_rows($result) == 1) {
4799                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4800                         } else {
4801                                 $rtl_content = false;
4802                         }
4803
4804                         if ($rtl_content) {
4805                                 $rtl_tag = "dir=\"RTL\"";
4806                         } else {
4807                                 $rtl_tag = "";
4808                         }
4809                 } else {
4810                         $rtl_tag = "";
4811                         $rtl_content = false;
4812                 }
4813
4814                 /// START /////////////////////////////////////////////////////////////////////////////////
4815
4816                 @$search = db_escape_string($_REQUEST["query"]);
4817
4818                 if ($search) {
4819                         $disable_cache = true;
4820                 }
4821
4822                 @$search_mode = db_escape_string($_REQUEST["search_mode"]);
4823                 @$match_on = db_escape_string($_REQUEST["match_on"]);
4824
4825                 if (!$match_on) {
4826                         $match_on = "both";
4827                 }
4828
4829                 $real_offset = $offset * $limit;
4830
4831                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4832
4833                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4834                         $search, $search_mode, $match_on, $override_order, $real_offset);
4835
4836                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4837
4838                 $result = $qfh_ret[0];
4839                 $feed_title = $qfh_ret[1];
4840                 $feed_site_url = $qfh_ret[2];
4841                 $last_error = $qfh_ret[3];
4842
4843                 $vgroup_last_feed = $vgr_last_feed;
4844
4845 /*              if ($feed == -2) {
4846                         $feed_site_url = article_publish_url($link);
4847                 } */
4848
4849                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4850
4851                 print "<toolbar><![CDATA[";
4852
4853                 if (!$offset) {
4854 //                      print "<div id=\"headlinesContainer\" $rtl_tag>";
4855
4856                         if (!$result) {
4857                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4858                                 return;
4859                         }
4860
4861                         if (db_num_rows($result) > 0) {
4862                                 print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4863                                         $feed, $cat_view, $search, $match_on, $search_mode, $view_mode,
4864                                         $last_error);
4865
4866 //                              print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4867
4868                         }
4869                 }
4870
4871                 print "]]></toolbar><content><![CDATA[";
4872
4873                 $headlines_count = db_num_rows($result);
4874
4875                 if (db_num_rows($result) > 0) {
4876
4877                         $lnum = $limit*$offset;
4878
4879                         $num_unread = 0;
4880                         $cur_feed_title = '';
4881
4882                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
4883
4884                         while ($line = db_fetch_assoc($result)) {
4885
4886                                 $class = ($lnum % 2) ? "even" : "odd";
4887
4888                                 $id = $line["id"];
4889                                 $feed_id = $line["feed_id"];
4890
4891                                 $labels = get_article_labels($link, $id);
4892
4893                                 $labels_str = "<span id=\"HLLCTR-$id\">";
4894                                 $labels_str .= format_article_labels($labels, $id);
4895                                 $labels_str .= "</span>";
4896
4897                                 if (count($topmost_article_ids) < 3) {
4898                                         array_push($topmost_article_ids, $id);
4899                                 }
4900
4901                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
4902
4903                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
4904                                                 theme_image($link, 'images/updated.png')."\"
4905                                                 alt=\"Updated\">";
4906                                 } else {
4907                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
4908                                                 alt=\"Updated\">";
4909                                 }
4910
4911                                 if (sql_bool_to_bool($line["unread"]) &&
4912                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
4913
4914                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
4915                                                 theme_image($link, 'images/fresh_sign.png')."\" alt=\"Fresh\">";
4916                                 }
4917
4918                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
4919                                         $class .= " Unread";
4920                                         ++$num_unread;
4921                                         $is_unread = true;
4922                                 } else {
4923                                         $is_unread = false;
4924                                 }
4925
4926                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
4927                                         $marked_pic = "<img id=\"FMPIC-$id\"
4928                                                 src=\"".theme_image($link, 'images/mark_set.png')."\"
4929                                                 class=\"markedPic\" alt=\"Unstar article\"
4930                                                 onclick='javascript:tMark($id)'>";
4931                                 } else {
4932                                         $marked_pic = "<img id=\"FMPIC-$id\"
4933                                                 src=\"".theme_image($link, 'images/mark_unset.png')."\"
4934                                                 class=\"markedPic\" alt=\"Star article\"
4935                                                 onclick='javascript:tMark($id)'>";
4936                                 }
4937
4938                                 if ($line["published"] == "t" || $line["published"] == "1") {
4939                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
4940                                                 'images/pub_set.png')."\"
4941                                                 class=\"markedPic\"
4942                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
4943                                 } else {
4944                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
4945                                                 'images/pub_unset.png')."\"
4946                                                 class=\"markedPic\"
4947                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
4948                                 }
4949
4950 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
4951 #                                       $line["title"] . "</a>";
4952
4953 #                               $content_link = "<a
4954 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
4955 #                                       onclick=\"view($id,$feed_id);\">" .
4956 #                                       $line["title"] . "</a>";
4957
4958 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
4959 #                                       $line["title"] . "</a>";
4960
4961                                 $updated_fmt = make_local_datetime($link, $line["updated_noms"], false);
4962
4963                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4964                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
4965                                                 100);
4966                                 }
4967
4968                                 $score = $line["score"];
4969
4970                                 $score_pic = theme_image($link,
4971                                         "images/" . get_score_pic($score));
4972
4973 /*                              $score_title = __("(Click to change)");
4974                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
4975                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
4976
4977                                 $score_pic = "<img class='hlScorePic' src=\"$score_pic\"
4978                                         title=\"$score\">";
4979
4980                                 if ($score > 500) {
4981                                         $hlc_suffix = "H";
4982                                 } else if ($score < -100) {
4983                                         $hlc_suffix = "L";
4984                                 } else {
4985                                         $hlc_suffix = "";
4986                                 }
4987
4988                                 $entry_author = $line["author"];
4989
4990                                 if ($entry_author) {
4991                                         $entry_author = " - $entry_author";
4992                                 }
4993
4994                                 $has_feed_icon = feed_has_icon($feed_id);
4995
4996                                 if ($has_feed_icon) {
4997                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
4998                                 } else {
4999                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/feed-icon-12x12.png\" alt=\"\">";
5000                                 }
5001
5002                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5003
5004                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5005                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5006
5007                                                         $cur_feed_title = $line["feed_title"];
5008                                                         $vgroup_last_feed = $feed_id;
5009
5010                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5011
5012                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5013
5014                                                         print "<div class='cdmFeedTitle'>".
5015                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5016                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5017                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5018
5019                                                 }
5020                                         }
5021
5022                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5023                                                 onmouseout='postMouseOut($id)'";
5024
5025                                         print "<div class='$class' id='RROW-$id' $mouseover_attrs>";
5026
5027                                         print "<div class='hlUpdPic'>$update_pic</div>";
5028
5029                                         print "<div class='hlLeft'>";
5030
5031                                         print "<input type=\"checkbox\" onclick=\"tSR(this)\"
5032                                                         id=\"RCHK-$id\">";
5033
5034                                         print "$marked_pic";
5035                                         print "$published_pic";
5036
5037                                         print "</div>";
5038
5039                                         print "<div onclick='return hlClicked(event, $id)'
5040                                                 class=\"hlTitle\"><span class='hlContent$hlc_suffix'>";
5041                                         print "<a id=\"RTITLE-$id\"
5042                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5043                                                 onclick=\"return false;\">" .
5044                                                 $line["title"];
5045
5046                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5047                                                 if ($content_preview) {
5048                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5049                                                 }
5050                                         }
5051
5052                                         print "</a></span>";
5053
5054                                         print $labels_str;
5055
5056                                         /* if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5057                                                 if (@$line["feed_title"]) {
5058                                                         print "<span class=\"hlFeed\">
5059                                                                 (<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5060                                                                 $line["feed_title"]."</a>)
5061                                                         </span>";
5062                                                 }
5063                                         } */
5064
5065                                         print "</div>";
5066
5067
5068
5069                                         print "<div class=\"hlRight\">";
5070                                         print "<span class=\"hlUpdated\">$updated_fmt</span>";
5071                                         print $score_pic;
5072
5073                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5074
5075                                                 print "<span onclick=\"viewfeed($feed_id)\"
5076                                                         title=\"".htmlspecialchars($line['feed_title'])."\">
5077                                                         $feed_icon_img<span>";
5078                                         }
5079
5080                                         print "</div>";
5081                                         print "</div>";
5082
5083                                 } else {
5084
5085                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5086                                                 if ($feed_id != $vgroup_last_feed) {
5087
5088                                                         $cur_feed_title = $line["feed_title"];
5089                                                         $vgroup_last_feed = $feed_id;
5090
5091                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5092
5093                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5094
5095                                                         $has_feed_icon = feed_has_icon($feed_id);
5096
5097                                                         if ($has_feed_icon) {
5098                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5099                                                         } else {
5100                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5101                                                         }
5102
5103                                                         print "<div class='cdmFeedTitle'>".
5104                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5105                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5106                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5107                                                 }
5108                                         }
5109
5110                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5111
5112                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5113                                                 onmouseout='postMouseOut($id)'";
5114
5115                                         print "<div class=\"$class\"
5116                                                 id=\"RROW-$id\" $mouseover_attrs'>";
5117
5118                                         print "<div class=\"cdmHeader\">";
5119
5120                                         print "<div style='float : right'>";
5121                                         print "<span class='updated'>$updated_fmt</span>";
5122                                         print "$score_pic";
5123
5124                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") && $line["feed_title"]) {
5125                                                 print "<span style=\"cursor : pointer\"
5126                                                         title=\"".htmlspecialchars($line["feed_title"])."\"
5127                                                         onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5128                                         }
5129                                         print "<div class=\"updPic\">$update_pic</div>";
5130
5131                                         print "</div>";
5132
5133                                         print "<input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5134                                                         'RROW-$id')\" id=\"RCHK-$id\"/>";
5135
5136                                         print "$marked_pic";
5137                                         print "$published_pic";
5138
5139                                         print "<span id=\"RTITLE-$id\"
5140                                                 onclick=\"return cdmClicked(event, $id);\"
5141                                                 class=\"titleWrap$hlc_suffix\">
5142                                                 <a class=\"title\"
5143                                                 target=\"_blank\" href=\"".
5144                                                 htmlspecialchars($line["link"])."\">".$line["title"].
5145                                                 " $entry_author</a>";
5146
5147                                         print $labels_str;
5148
5149                                         if (!$expand_cdm)
5150                                                 $content_hidden = "style=\"display : none\"";
5151                                         else
5152                                                 $excerpt_hidden = "style=\"display : none\"";
5153
5154                                         print "<span $excerpt_hidden
5155                                                 id=\"CEXC-$id\" class=\"cdmExcerpt\"> - $content_preview</span>";
5156
5157                                         print "</span>";
5158
5159                                         print "</div>";
5160
5161                                         print "<div class=\"cdmContent\" $content_hidden
5162                                                 onclick=\"return cdmClicked(event, $id);\"
5163                                                 id=\"CICD-$id\">";
5164
5165                                         print "<div class=\"cdmContentInner\">";
5166
5167                         if ($line["orig_feed_id"]) {
5168
5169                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
5170                                         WHERE id = ".$line["orig_feed_id"]);
5171
5172                                                 if (db_num_rows($tmp_result) != 0) {
5173
5174                                                         print "<div clear='both'>";
5175                                                         print __("Originally from:");
5176
5177                                                         print "&nbsp;";
5178
5179                                                         $tmp_line = db_fetch_assoc($tmp_result);
5180
5181                                                         print "<a target='_blank'
5182                                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
5183                                                                 $tmp_line['title'] . "</a>";
5184
5185                                                         print "&nbsp;";
5186
5187                                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
5188                                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
5189
5190                                                         print "</div>";
5191                                                 }
5192                                         }
5193
5194                                         // FIXME: make this less of a hack
5195
5196                                         $feed_site_url = false;
5197
5198                                         if ($line["feed_id"]) {
5199                                                 $tmp_result = db_query($link, "SELECT site_url FROM ttrss_feeds
5200                                                         WHERE id = " . $line["feed_id"]);
5201
5202                                                 if (db_num_rows($tmp_result) == 1) {
5203                                                         $feed_site_url = db_fetch_result($tmp_result, 0, "site_url");
5204                                                 }
5205                                         }
5206
5207                                         if ($expand_cdm) {
5208                                                 $article_content = sanitize_rss($link, $line["content_preview"],
5209                                                         false, false, $feed_site_url);
5210
5211                                                 if (!$article_content) $article_content = "&nbsp;";
5212                                         } else {
5213                                                 $article_content = '';
5214                                         }
5215
5216                                         print "<div id=\"POSTNOTE-$id\">";
5217                                         if ($line['note']) {
5218                                                 print format_article_note($id, $line['note']);
5219                                         }
5220                                         print "</div>";
5221
5222                                         print "<span id=\"CWRAP-$id\">$article_content</span>";
5223
5224                                         $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5225                                                 ttrss_feeds WHERE id = ".
5226                                                 (($line['feed_id'] == null) ? $line['orig_feed_id'] :
5227                                                                 $line['feed_id'])." AND owner_uid = ".$_SESSION["uid"]);
5228
5229                                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($tmp_result,
5230                                                 0, "always_display_enclosures"));
5231
5232                                         print_article_enclosures($link, $id, $always_display_enclosures,
5233                                                 $article_content);
5234
5235                                         $short_title = truncate_string(
5236                                                 strip_tags($line['title']), 90);
5237
5238                                         $tweet_title = htmlspecialchars(
5239                                                 truncate_string(strip_tags($line['title']), 100, '...'));
5240
5241                                         $tweet_link = htmlspecialchars($line['link']);
5242
5243                                         print "<span id=\"TWEETINFO-$id\" style=\"display : none\">";
5244                                         print json_encode(array("title" => $tweet_title, "link" => $tweet_link));
5245                                         print "</span>";
5246
5247                                         print "</div>";
5248
5249                                         print "<div class=\"cdmFooter\">";
5250
5251                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5252
5253                                         print "<img src='".theme_image($link,
5254                                                         'images/tag.png')."' alt='Tags' title='Tags'>
5255                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5256                                                 <a title=\"".__('Edit tags for this article')."\"
5257                                                 href=\"#\" onclick=\"editArticleTags($id, $feed_id, true)\">(+)</a>";
5258
5259                                         print "<div style=\"float : right\">";
5260
5261                                         print "<img src=\"images/art-zoom.png\"
5262                                                 onclick=\"zoomToArticle(event, $id)\"
5263                                                 style=\"cursor : pointer\"
5264                                                 alt='Zoom'
5265                                                 title='".__('Open article in new tab')."'>";
5266
5267                                         $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5268
5269                                         print "<img src=\"images/art-pub-note.png\"
5270                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5271                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
5272                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
5273
5274                                         if (DIGEST_ENABLE) {
5275                                                 print "<img src=\"".theme_image($link, 'images/art-email.png')."\"
5276                                                         style=\"cursor : pointer\"
5277                                                         onclick=\"emailArticle($id)\"
5278                                                         alt='Zoom' title='".__('Forward by email')."'>";
5279                                         }
5280
5281                                         if (ENABLE_TWEET_BUTTON) {
5282                                                 print "<img src=\"".theme_image($link, 'images/art-tweet.png')."\"
5283                                                         class='tagsPic' style=\"cursor : pointer\"
5284                                                         onclick=\"tweetArticle($id)\"
5285                                                         alt='Zoom' title='".__('Share on Twitter')."'>";
5286                                         }
5287
5288                                         print "<img src=\"images/digest_checkbox.png\"
5289                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5290                                                 onclick=\"dismissArticle($id)\"
5291                                                 alt='Dismiss' title='".__('Dismiss article')."'>";
5292
5293                                         print "</div>";
5294                                         print "</div>";
5295
5296                                         print "</div>";
5297
5298                                         print "</div>";
5299
5300                                 }
5301
5302                                 ++$lnum;
5303                         }
5304
5305                 } else {
5306                         $message = "";
5307
5308                         switch ($view_mode) {
5309                                 case "unread":
5310                                         $message = __("No unread articles found to display.");
5311                                         break;
5312                                 case "updated":
5313                                         $message = __("No updated articles found to display.");
5314                                         break;
5315                                 case "marked":
5316                                         $message = __("No starred articles found to display.");
5317                                         break;
5318                                 default:
5319                                         if ($feed < -10) {
5320                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5321                                         } else {
5322                                                 $message = __("No articles found to display.");
5323                                         }
5324                         }
5325
5326                         if (!$offset && $message) {
5327                                 print "<div class='whiteBox'>$message";
5328
5329                                 print "<p class=\"small\"><span class=\"insensitive\">";
5330
5331                                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
5332                                         WHERE owner_uid = " . $_SESSION['uid']);
5333
5334                                 $last_updated = db_fetch_result($result, 0, "last_updated");
5335                                 $last_updated = make_local_datetime($link, $last_updated, false);
5336
5337                                 printf(__("Feeds last updated at %s"), $last_updated);
5338
5339                                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
5340                                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
5341
5342                                 $num_errors = db_fetch_result($result, 0, "num_errors");
5343
5344                                 if ($num_errors > 0) {
5345                                         print "<br/>";
5346                                         print "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
5347                                                 __('Some feeds have update errors (click for details)')."</a>";
5348                                 }
5349                                 print "</span></p></div>";
5350                         }
5351                 }
5352
5353 #               if (!$offset) {
5354 #                       if ($headlines_count > 0) print "</div>";
5355 #                       print "</div>";
5356 #               }
5357
5358                 print "]]></content>";
5359
5360                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5361         }
5362
5363 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5364
5365         function printTagCloud($link) {
5366
5367                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5368                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5369                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5370
5371                 $result = db_query($link, $query);
5372
5373                 $tags = array();
5374
5375                 while ($line = db_fetch_assoc($result)) {
5376                         $tags[$line["tag_name"]] = $line["count"];
5377                 }
5378
5379                 ksort($tags);
5380
5381                 $max_size = 32; // max font size in pixels
5382                 $min_size = 11; // min font size in pixels
5383
5384                 // largest and smallest array values
5385                 $max_qty = max(array_values($tags));
5386                 $min_qty = min(array_values($tags));
5387
5388                 // find the range of values
5389                 $spread = $max_qty - $min_qty;
5390                 if ($spread == 0) { // we don't want to divide by zero
5391                                 $spread = 1;
5392                 }
5393
5394                 // set the font-size increment
5395                 $step = ($max_size - $min_size) / ($spread);
5396
5397                 // loop through the tag array
5398                 foreach ($tags as $key => $value) {
5399                         // calculate font-size
5400                         // find the $value in excess of $min_qty
5401                         // multiply by the font-size increment ($size)
5402                         // and add the $min_size set above
5403                         $size = round($min_size + (($value - $min_qty) * $step));
5404
5405                         $key_escaped = str_replace("'", "\\'", $key);
5406
5407                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5408                                 $size . "px\" title=\"$value articles tagged with " .
5409                                 $key . '">' . $key . '</a> ';
5410                 }
5411         }
5412
5413         function print_checkpoint($n, $s) {
5414                 $ts = getmicrotime();
5415                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5416                 return $ts;
5417         }
5418
5419         function sanitize_tag($tag) {
5420                 $tag = trim($tag);
5421
5422                 $tag = mb_strtolower($tag, 'utf-8');
5423
5424                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5425
5426 //              $tag = str_replace('"', "", $tag);
5427 //              $tag = str_replace("+", " ", $tag);
5428                 $tag = str_replace("technorati tag: ", "", $tag);
5429
5430                 return $tag;
5431         }
5432
5433         function get_self_url_prefix() {
5434
5435                 $url_path = "";
5436
5437                 if ($_SERVER['HTTPS'] != "on") {
5438                         $url_path = "http://";
5439                 } else {
5440                         $url_path = "https://";
5441                 }
5442
5443                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5444
5445                 return $url_path;
5446
5447         }
5448         function opml_publish_url($link){
5449
5450                 $url_path = get_self_url_prefix();
5451                 $url_path .= "/opml.php?op=publish&key=" .
5452                         get_feed_access_key($link, 'OPML:Publish', false, $_SESSION["uid"]);
5453
5454                 return $url_path;
5455         }
5456
5457         /**
5458          * Purge a feed contents, marked articles excepted.
5459          *
5460          * @param mixed $link The database connection.
5461          * @param integer $id The id of the feed to purge.
5462          * @return void
5463          */
5464         function clear_feed_articles($link, $id) {
5465
5466                 if ($id != 0) {
5467                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5468                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5469                 } else {
5470                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5471                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5472                 }
5473
5474                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5475                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5476
5477                 ccache_update($link, $id, $_SESSION['uid']);
5478         } // function clear_feed_articles
5479
5480         /**
5481          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5482          *
5483          * @return string The Mozilla Firefox feed adding URL.
5484          */
5485         function add_feed_url() {
5486                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5487                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5488                 return $url_path;
5489         } // function add_feed_url
5490
5491         /**
5492          * Encrypt a password in SHA1.
5493          *
5494          * @param string $pass The password to encrypt.
5495          * @param string $login A optionnal login.
5496          * @return string The encrypted password.
5497          */
5498         function encrypt_password($pass, $login = '') {
5499                 if ($login) {
5500                         return "SHA1X:" . sha1("$login:$pass");
5501                 } else {
5502                         return "SHA1:" . sha1($pass);
5503                 }
5504         } // function encrypt_password
5505
5506         /**
5507          * Update a feed batch.
5508          * Used by daemons to update n feeds by run.
5509          * Only update feed needing a update, and not being processed
5510          * by another process.
5511          *
5512          * @param mixed $link Database link
5513          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5514          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5515          * @param boolean $debug Set to false to disable debug output. Default to true.
5516          * @return void
5517          */
5518         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5519                 // Process all other feeds using last_updated and interval parameters
5520
5521                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5522                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5523                         if (DB_TYPE == "pgsql") {
5524                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5525                         } else {
5526                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5527                         }
5528                 } else {
5529                         $login_thresh_qpart = "";
5530                 }
5531
5532                 // Test if the feed need a update (update interval exceded).
5533                 if (DB_TYPE == "pgsql") {
5534                         $update_limit_qpart = "AND ((
5535                                         ttrss_feeds.update_interval = 0
5536                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5537                                 ) OR (
5538                                         ttrss_feeds.update_interval > 0
5539                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5540                                 ) OR ttrss_feeds.last_updated IS NULL)";
5541                 } else {
5542                         $update_limit_qpart = "AND ((
5543                                         ttrss_feeds.update_interval = 0
5544                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5545                                 ) OR (
5546                                         ttrss_feeds.update_interval > 0
5547                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5548                                 ) OR ttrss_feeds.last_updated IS NULL)";
5549                 }
5550
5551                 // Test if feed is currently being updated by another process.
5552                 if (DB_TYPE == "pgsql") {
5553                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5554                 } else {
5555                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5556                 }
5557
5558                 // Test if there is a limit to number of updated feeds
5559                 $query_limit = "";
5560                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5561
5562                 $random_qpart = sql_random_function();
5563
5564                 // We search for feed needing update.
5565                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5566                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5567                                 ttrss_feeds.update_interval
5568                         FROM
5569                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5570                         WHERE
5571                                 ttrss_feeds.owner_uid = ttrss_users.id
5572                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5573                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5574                                 $login_thresh_qpart $update_limit_qpart
5575                          $updstart_thresh_qpart
5576                         ORDER BY $random_qpart $query_limit");
5577
5578                 $user_prefs_cache = array();
5579
5580                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5581
5582                 // Here is a little cache magic in order to minimize risk of double feed updates.
5583                 $feeds_to_update = array();
5584                 while ($line = db_fetch_assoc($result)) {
5585                         $feeds_to_update[$line['id']] = $line;
5586                 }
5587
5588                 // We update the feed last update started date before anything else.
5589                 // There is no lag due to feed contents downloads
5590                 // It prevent an other process to update the same feed.
5591                 $feed_ids = array_keys($feeds_to_update);
5592                 if($feed_ids) {
5593                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5594                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5595                 }
5596
5597                 // For each feed, we call the feed update function.
5598                 while ($line = array_pop($feeds_to_update)) {
5599
5600                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5601
5602                         update_rss_feed($link, $line["id"], true);
5603
5604                         sleep(1); // prevent flood (FIXME make this an option?)
5605                 }
5606
5607                 // Send feed digests by email if needed.
5608                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5609
5610         } // function update_daemon_common
5611
5612         function sanitize_article_content($text) {
5613                 # we don't support CDATA sections in articles, they break our own escaping
5614                 $text = preg_replace("/\[\[CDATA/", "", $text);
5615                 $text = preg_replace("/\]\]\>/", "", $text);
5616                 return $text;
5617         }
5618
5619         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5620                 $filters = array();
5621
5622                 global $memcache;
5623
5624                 $obj_id = md5("FILTER:$feed:$owner_uid:$action_id");
5625
5626                 if ($memcache && $obj = $memcache->get($obj_id)) {
5627
5628                         return $obj;
5629
5630                 } else {
5631
5632                         if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5633
5634                         $result = db_query($link, "SELECT reg_exp,
5635                                 ttrss_filter_types.name AS name,
5636                                 ttrss_filter_actions.name AS action,
5637                                 inverse,
5638                                 action_param,
5639                                 filter_param
5640                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5641                                         enabled = true AND
5642                                         $ftype_query_part
5643                                         owner_uid = $owner_uid AND
5644                                         ttrss_filter_types.id = filter_type AND
5645                                         ttrss_filter_actions.id = action_id AND
5646                                         (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5647
5648                         while ($line = db_fetch_assoc($result)) {
5649                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5650                                         $filter["reg_exp"] = $line["reg_exp"];
5651                                         $filter["action"] = $line["action"];
5652                                         $filter["action_param"] = $line["action_param"];
5653                                         $filter["filter_param"] = $line["filter_param"];
5654                                         $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5655
5656                                         array_push($filters[$line["name"]], $filter);
5657                                 }
5658
5659                         if ($memcache) $memcache->add($obj_id, $filters, 0, 3600*8);
5660
5661                         return $filters;
5662                 }
5663         }
5664
5665         function get_score_pic($score) {
5666                 if ($score > 100) {
5667                         return "score_high.png";
5668                 } else if ($score > 0) {
5669                         return "score_half_high.png";
5670                 } else if ($score < -100) {
5671                         return "score_low.png";
5672                 } else if ($score < 0) {
5673                         return "score_half_low.png";
5674                 } else {
5675                         return "score_neutral.png";
5676                 }
5677         }
5678
5679         function rounded_table_start($classname, $header = "&nbsp;") {
5680                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5681                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5682                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5683         }
5684
5685         function rounded_table_end($footer = "&nbsp;") {
5686                 print "</td><td class='right'>&nbsp;</td></tr>";
5687                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5688                 print "</table>";
5689         }
5690
5691         function feed_has_icon($id) {
5692                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5693         }
5694
5695         function init_connection($link) {
5696                 if (DB_TYPE == "pgsql") {
5697                         pg_query($link, "set client_encoding = 'UTF-8'");
5698                         pg_set_client_encoding("UNICODE");
5699                         pg_query($link, "set datestyle = 'ISO, european'");
5700                         pg_query($link, "set TIME ZONE 0");
5701                 } else {
5702                         db_query($link, "SET time_zone = '+0:0'");
5703
5704                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5705                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5706         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5707                         }
5708                 }
5709         }
5710
5711         function update_feedbrowser_cache($link) {
5712
5713                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
5714                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5715                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5716                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
5717                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
5718
5719                 db_query($link, "BEGIN");
5720
5721                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5722
5723                 $count = 0;
5724
5725                 while ($line = db_fetch_assoc($result)) {
5726                         $subscribers = db_escape_string($line["subscribers"]);
5727                         $feed_url = db_escape_string($line["feed_url"]);
5728                         $title = db_escape_string($line["title"]);
5729
5730                         $tmp_result = db_query($link, "SELECT subscribers FROM
5731                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
5732
5733                         if (db_num_rows($tmp_result) == 0) {
5734
5735                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5736                                         (feed_url, title, subscribers) VALUES ('$feed_url',
5737                                                 '$title', '$subscribers')");
5738
5739                                 ++$count;
5740
5741                         }
5742
5743                 }
5744
5745                 db_query($link, "COMMIT");
5746
5747                 return $count;
5748
5749         }
5750
5751         function ccache_zero($link, $feed_id, $owner_uid) {
5752                 db_query($link, "UPDATE ttrss_counters_cache SET
5753                         value = 0, updated = NOW() WHERE
5754                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5755         }
5756
5757         function ccache_zero_all($link, $owner_uid) {
5758                 db_query($link, "UPDATE ttrss_counters_cache SET
5759                         value = 0 WHERE owner_uid = '$owner_uid'");
5760
5761                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
5762                         value = 0 WHERE owner_uid = '$owner_uid'");
5763         }
5764
5765         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
5766
5767                 if (!$is_cat) {
5768                         $table = "ttrss_counters_cache";
5769                 } else {
5770                         $table = "ttrss_cat_counters_cache";
5771                 }
5772
5773                 db_query($link, "DELETE FROM $table WHERE
5774                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5775
5776         }
5777
5778         function ccache_update_all($link, $owner_uid) {
5779
5780                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
5781
5782                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
5783                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5784
5785                         while ($line = db_fetch_assoc($result)) {
5786                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
5787                         }
5788
5789                         /* We have to manually include category 0 */
5790
5791                         ccache_update($link, 0, $owner_uid, true);
5792
5793                 } else {
5794                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
5795                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5796
5797                         while ($line = db_fetch_assoc($result)) {
5798                                 print ccache_update($link, $line["feed_id"], $owner_uid);
5799
5800                         }
5801
5802                 }
5803         }
5804
5805         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
5806                 $no_update = false) {
5807
5808                 if (!is_numeric($feed_id)) return;
5809
5810                 if (!$is_cat) {
5811                         $table = "ttrss_counters_cache";
5812                         if ($feed_id > 0) {
5813                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5814                                         WHERE id = '$feed_id'");
5815                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5816                         }
5817                 } else {
5818                         $table = "ttrss_cat_counters_cache";
5819                 }
5820
5821                 if (DB_TYPE == "pgsql") {
5822                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
5823                 } else if (DB_TYPE == "mysql") {
5824                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
5825                 }
5826
5827                 $result = db_query($link, "SELECT value FROM $table
5828                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
5829                         LIMIT 1");
5830
5831                 if (db_num_rows($result) == 1) {
5832                         return db_fetch_result($result, 0, "value");
5833                 } else {
5834                         if ($no_update) {
5835                                 return -1;
5836                         } else {
5837                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
5838                         }
5839                 }
5840
5841         }
5842
5843         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
5844                 $update_pcat = true) {
5845
5846                 if (!is_numeric($feed_id)) return;
5847
5848                 if (!$is_cat && $feed_id > 0) {
5849                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5850                                 WHERE id = '$feed_id'");
5851                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5852                 }
5853
5854                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
5855
5856                 /* When updating a label, all we need to do is recalculate feed counters
5857                  * because labels are not cached */
5858
5859                 if ($feed_id < 0) {
5860                         ccache_update_all($link, $owner_uid);
5861                         return;
5862                 }
5863
5864                 if (!$is_cat) {
5865                         $table = "ttrss_counters_cache";
5866                 } else {
5867                         $table = "ttrss_cat_counters_cache";
5868                 }
5869
5870                 if ($is_cat && $feed_id >= 0) {
5871                         if ($feed_id != 0) {
5872                                 $cat_qpart = "cat_id = '$feed_id'";
5873                         } else {
5874                                 $cat_qpart = "cat_id IS NULL";
5875                         }
5876
5877                         /* Recalculate counters for child feeds */
5878
5879                         $result = db_query($link, "SELECT id FROM ttrss_feeds
5880                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
5881
5882                         while ($line = db_fetch_assoc($result)) {
5883                                 ccache_update($link, $line["id"], $owner_uid, false, false);
5884                         }
5885
5886                         $result = db_query($link, "SELECT SUM(value) AS sv
5887                                 FROM ttrss_counters_cache, ttrss_feeds
5888                                 WHERE id = feed_id AND $cat_qpart AND
5889                                 ttrss_feeds.owner_uid = '$owner_uid'");
5890
5891                         $unread = (int) db_fetch_result($result, 0, "sv");
5892
5893                 } else {
5894                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
5895                 }
5896
5897                 db_query($link, "BEGIN");
5898
5899                 $result = db_query($link, "SELECT feed_id FROM $table
5900                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
5901
5902                 if (db_num_rows($result) == 1) {
5903                         db_query($link, "UPDATE $table SET
5904                                 value = '$unread', updated = NOW() WHERE
5905                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5906
5907                 } else {
5908                         db_query($link, "INSERT INTO $table
5909                                 (feed_id, value, owner_uid, updated)
5910                                 VALUES
5911                                 ($feed_id, $unread, $owner_uid, NOW())");
5912                 }
5913
5914                 db_query($link, "COMMIT");
5915
5916                 if ($feed_id > 0 && $prev_unread != $unread) {
5917
5918                         if (!$is_cat) {
5919
5920                                 /* Update parent category */
5921
5922                                 if ($update_pcat) {
5923
5924                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
5925                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
5926
5927                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
5928
5929                                         ccache_update($link, $cat_id, $owner_uid, true);
5930
5931                                 }
5932                         }
5933                 } else if ($feed_id < 0) {
5934                         ccache_update_all($link, $owner_uid);
5935                 }
5936
5937                 return $unread;
5938         }
5939
5940         function label_find_id($link, $label, $owner_uid) {
5941                 $result = db_query($link,
5942                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
5943                                 AND owner_uid = '$owner_uid' LIMIT 1");
5944
5945                 if (db_num_rows($result) == 1) {
5946                         return db_fetch_result($result, 0, "id");
5947                 } else {
5948                         return 0;
5949                 }
5950         }
5951
5952         function get_article_labels($link, $id) {
5953                 global $memcache;
5954
5955                 $obj_id = md5("LABELS:$id:" . $_SESSION["uid"]);
5956
5957                 $rv = array();
5958
5959                 if ($memcache && $obj = $memcache->get($obj_id)) {
5960                         return $obj;
5961                 } else {
5962
5963                         $result = db_query($link, "SELECT label_cache FROM
5964                                 ttrss_user_entries WHERE ref_id = '$id' AND owner_uid = " .
5965                                 $_SESSION["uid"]);
5966
5967                         $label_cache = db_fetch_result($result, 0, "label_cache");
5968
5969                         if ($label_cache) {
5970
5971                                 $label_cache = json_decode($label_cache, true);
5972
5973                                 if ($label_cache["no-labels"] == 1)
5974                                         return $rv;
5975                                 else
5976                                         return $label_cache;
5977                         }
5978
5979                         $result = db_query($link,
5980                                 "SELECT DISTINCT label_id,caption,fg_color,bg_color
5981                                         FROM ttrss_labels2, ttrss_user_labels2
5982                                 WHERE id = label_id
5983                                         AND article_id = '$id'
5984                                         AND owner_uid = ".$_SESSION["uid"] . "
5985                                 ORDER BY caption");
5986
5987                         while ($line = db_fetch_assoc($result)) {
5988                                 $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
5989                                         $line["bg_color"]);
5990                                 array_push($rv, $rk);
5991                         }
5992                         if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
5993
5994                         if (count($rv) > 0)
5995                                 label_update_cache($link, $id, $rv);
5996                         else
5997                                 label_update_cache($link, $id, array("no-labels" => 1));
5998                 }
5999
6000                 return $rv;
6001         }
6002
6003
6004         function label_find_caption($link, $label, $owner_uid) {
6005                 $result = db_query($link,
6006                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
6007                                 AND owner_uid = '$owner_uid' LIMIT 1");
6008
6009                 if (db_num_rows($result) == 1) {
6010                         return db_fetch_result($result, 0, "caption");
6011                 } else {
6012                         return "";
6013                 }
6014         }
6015
6016         function label_update_cache($link, $id, $labels = false, $force = false) {
6017
6018                 if ($force)
6019                         label_clear_cache($link, $id);
6020
6021                 if (!$labels)
6022                         $labels = get_article_labels($link, $id);
6023
6024                 $labels = db_escape_string(json_encode($labels));
6025
6026                 db_query($link, "UPDATE ttrss_user_entries SET
6027                         label_cache = '$labels' WHERE ref_id = '$id'");
6028
6029         }
6030
6031         function label_clear_cache($link, $id) {
6032
6033                 db_query($link, "UPDATE ttrss_user_entries SET
6034                         label_cache = '' WHERE ref_id = '$id'");
6035
6036         }
6037
6038         function label_remove_article($link, $id, $label, $owner_uid) {
6039
6040                 $label_id = label_find_id($link, $label, $owner_uid);
6041
6042                 if (!$label_id) return;
6043
6044                 $result = db_query($link,
6045                         "DELETE FROM ttrss_user_labels2
6046                         WHERE
6047                                 label_id = '$label_id' AND
6048                                 article_id = '$id'");
6049
6050                 label_clear_cache($link, $id);
6051         }
6052
6053         function label_add_article($link, $id, $label, $owner_uid) {
6054
6055                 global $memcache;
6056
6057                 if ($memcache) {
6058                         $obj_id = md5("LABELS:$id:$owner_uid");
6059                         $memcache->delete($obj_id);
6060                 }
6061
6062                 $label_id = label_find_id($link, $label, $owner_uid);
6063
6064                 if (!$label_id) return;
6065
6066                 $result = db_query($link,
6067                         "SELECT
6068                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6069                         WHERE
6070                                 label_id = id AND
6071                                 label_id = '$label_id' AND
6072                                 article_id = '$id' AND owner_uid = '$owner_uid'
6073                         LIMIT 1");
6074
6075                 if (db_num_rows($result) == 0) {
6076                         db_query($link, "INSERT INTO ttrss_user_labels2
6077                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6078                 }
6079
6080                 label_clear_cache($link, $id);
6081
6082         }
6083
6084         function label_remove($link, $id, $owner_uid) {
6085                 global $memcache;
6086
6087                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6088
6089                 if ($memcache) {
6090                         $obj_id = md5("LABELS:$id:$owner_uid");
6091                         $memcache->delete($obj_id);
6092                 }
6093
6094                 db_query($link, "BEGIN");
6095
6096                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6097                         WHERE id = '$id'");
6098
6099                 $caption = db_fetch_result($result, 0, "caption");
6100
6101                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6102                         AND owner_uid = " . $owner_uid);
6103
6104                 if (db_affected_rows($link, $result) != 0 && $caption) {
6105
6106                         /* Remove access key for the label */
6107
6108                         $ext_id = -11 - $id;
6109
6110                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6111                                 feed_id = '$ext_id' AND owner_uid = $owner_uid");
6112
6113                         /* Disable filters that reference label being removed */
6114
6115                         db_query($link, "UPDATE ttrss_filters SET
6116                                 enabled = false WHERE action_param = '$caption'
6117                                         AND action_id = 7
6118                                         AND owner_uid = " . $owner_uid);
6119
6120                         /* Remove cached data */
6121
6122                         db_query($link, "UPDATE ttrss_user_entries SET label_cache = ''
6123                                 WHERE label_cache LIKE '%$caption%' AND owner_uid = " . $owner_uid);
6124
6125                 }
6126
6127                 db_query($link, "COMMIT");
6128         }
6129
6130         function label_create($link, $caption) {
6131
6132                 db_query($link, "BEGIN");
6133
6134                 $result = false;
6135
6136                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6137                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6138
6139                 if (db_num_rows($result) == 0) {
6140                         $result = db_query($link,
6141                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
6142                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6143
6144                         $result = db_affected_rows($link, $result) != 0;
6145                 }
6146
6147                 db_query($link, "COMMIT");
6148
6149                 return $result;
6150         }
6151
6152         function print_labels_headlines_dropdown($link, $feed_id) {
6153                 print "<option value=\"addLabel()\">".__("Create label...")."</option>";
6154
6155                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6156                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6157
6158                 while ($line = db_fetch_assoc($result)) {
6159
6160                         $label_id = $line["id"];
6161                         $label_caption = $line["caption"];
6162                         $id = $line["id"];
6163
6164                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6165                                 print "<option id=\"LHDL-$id\"
6166                                         value=\"selectionRemoveLabel($label_id)\">".
6167                                         __('Remove:') . " $label_caption</option>";
6168                         } else {
6169                                 print "<option id=\"LHDL-$id\"
6170                                         value=\"selectionAssignLabel($label_id)\">".
6171                                         __('Assign:') . " $label_caption</option>";
6172                         }
6173                 }
6174         }
6175
6176         function format_tags_string($tags, $id) {
6177
6178                 $tags_str = "";
6179                 $tags_nolinks_str = "";
6180
6181                 $num_tags = 0;
6182
6183 /*              if (get_user_theme($link) == "3pane") {
6184                         $tag_limit = 3;
6185                 } else {
6186                         $tag_limit = 6;
6187                 } */
6188
6189                 $tag_limit = 6;
6190
6191                 $formatted_tags = array();
6192
6193                 foreach ($tags as $tag) {
6194                         $num_tags++;
6195                         $tag_escaped = str_replace("'", "\\'", $tag);
6196
6197                         if (mb_strlen($tag) > 30) {
6198                                 $tag = truncate_string($tag, 30);
6199                         }
6200
6201                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6202
6203                         array_push($formatted_tags, $tag_str);
6204
6205                         $tmp_tags_str = implode(", ", $formatted_tags);
6206
6207                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6208                                 break;
6209                         }
6210                 }
6211
6212                 $tags_str = implode(", ", $formatted_tags);
6213
6214                 if ($num_tags < count($tags)) {
6215                         $tags_str .= ", &hellip;";
6216                 }
6217
6218                 if ($num_tags == 0) {
6219                         $tags_str = __("no tags");
6220                 }
6221
6222                 return $tags_str;
6223
6224         }
6225
6226         function format_article_labels($labels, $id) {
6227
6228                 $labels_str = "";
6229
6230                 foreach ($labels as $l) {
6231                         $labels_str .= sprintf("<span class='hlLabelRef'
6232                                 style='color : %s; background-color : %s'>%s</span>",
6233                                         $l[2], $l[3], $l[1]);
6234                         }
6235
6236                 return $labels_str;
6237
6238         }
6239
6240         function format_article_note($id, $note) {
6241
6242                 $note_escaped = htmlspecialchars($note, ENT_QUOTES);
6243
6244                 $str = "<div class='articleNote'>";
6245                 $str .= $note;
6246                 $str .= "<div class='articleNoteOps'>";
6247                 $str .= "<a href=\"javascript:publishWithNote($id, '$note_escaped')\">".
6248                         __('edit note')."</a>";
6249                 $str .= "</div>";
6250                 $str .= "</div>";
6251
6252                 return $str;
6253         }
6254
6255         function toggle_collapse_cat($link, $cat_id, $mode) {
6256                 if ($cat_id > 0) {
6257                         $mode = bool_to_sql_bool($mode);
6258
6259                         db_query($link, "UPDATE ttrss_feed_categories SET
6260                                 collapsed = $mode WHERE id = '$cat_id' AND owner_uid = " .
6261                                 $_SESSION["uid"]);
6262                 } else {
6263                         $pref_name = '';
6264
6265                         switch ($cat_id) {
6266                         case -1:
6267                                 $pref_name = '_COLLAPSED_SPECIAL';
6268                                 break;
6269                         case -2:
6270                                 $pref_name = '_COLLAPSED_LABELS';
6271                                 break;
6272                         case 0:
6273                                 $pref_name = '_COLLAPSED_UNCAT';
6274                                 break;
6275                         }
6276
6277                         if ($pref_name) {
6278                                 if ($mode) {
6279                                         set_pref($link, $pref_name, 'true');
6280                                 } else {
6281                                         set_pref($link, $pref_name, 'false');
6282                                 }
6283                         }
6284                 }
6285         }
6286
6287         function remove_feed($link, $id, $owner_uid) {
6288
6289                 if ($id > 0) {
6290
6291                         /* save starred articles in Archived feed */
6292
6293                         db_query($link, "BEGIN");
6294
6295                         /* prepare feed if necessary */
6296
6297                         $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6298                                 WHERE id = '$id'");
6299
6300                         if (db_num_rows($result) == 0) {
6301                                 db_query($link, "INSERT INTO ttrss_archived_feeds
6302                                         (id, owner_uid, title, feed_url, site_url)
6303                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6304                                 WHERE id = '$id'");
6305                         }
6306
6307                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
6308                                 orig_feed_id = '$id' WHERE feed_id = '$id' AND
6309                                         marked = true AND owner_uid = $owner_uid");
6310
6311                         /* Remove access key for the feed */
6312
6313                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6314                                 feed_id = '$id' AND owner_uid = $owner_uid");
6315
6316                         /* remove the feed */
6317
6318                         db_query($link, "DELETE FROM ttrss_feeds
6319                                         WHERE id = '$id' AND owner_uid = $owner_uid");
6320
6321                         db_query($link, "COMMIT");
6322
6323 /*                      if (file_exists(ICONS_DIR . "/$id.ico")) {
6324                                 unlink(ICONS_DIR . "/$id.ico");
6325                         } */
6326
6327                         ccache_remove($link, $id, $owner_uid);
6328
6329                 } else {
6330                         label_remove($link, -11-$id, $owner_uid);
6331                         ccache_remove($link, -11-$id, $owner_uid);
6332                 }
6333         }
6334
6335         function add_feed_category($link, $feed_cat) {
6336
6337                 if (!$feed_cat) return false;
6338
6339                 db_query($link, "BEGIN");
6340
6341                 $result = db_query($link,
6342                         "SELECT id FROM ttrss_feed_categories
6343                         WHERE title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
6344
6345                 if (db_num_rows($result) == 0) {
6346
6347                         $result = db_query($link,
6348                                 "INSERT INTO ttrss_feed_categories (owner_uid,title)
6349                                 VALUES ('".$_SESSION["uid"]."', '$feed_cat')");
6350
6351                         db_query($link, "COMMIT");
6352
6353                         return true;
6354                 }
6355
6356                 return false;
6357         }
6358
6359         function remove_feed_category($link, $id, $owner_uid) {
6360
6361                 db_query($link, "DELETE FROM ttrss_feed_categories
6362                         WHERE id = '$id' AND owner_uid = $owner_uid");
6363
6364                 ccache_remove($link, $id, $owner_uid, true);
6365         }
6366
6367         function archive_article($link, $id, $owner_uid) {
6368                 db_query($link, "BEGIN");
6369
6370                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6371                         WHERE ref_id = '$id' AND owner_uid = $owner_uid");
6372
6373                 if (db_num_rows($result) != 0) {
6374
6375                         /* prepare the archived table */
6376
6377                         $feed_id = (int) db_fetch_result($result, 0, "feed_id");
6378
6379                         if ($feed_id) {
6380                                 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6381                                         WHERE id = '$feed_id'");
6382
6383                                 if (db_num_rows($result) == 0) {
6384                                         db_query($link, "INSERT INTO ttrss_archived_feeds
6385                                                 (id, owner_uid, title, feed_url, site_url)
6386                                         SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6387                                         WHERE id = '$feed_id'");
6388                                 }
6389
6390                                 db_query($link, "UPDATE ttrss_user_entries
6391                                         SET orig_feed_id = feed_id, feed_id = NULL
6392                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6393                         }
6394                 }
6395
6396                 db_query($link, "COMMIT");
6397         }
6398
6399         function getArticleFeed($link, $id) {
6400                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6401                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6402
6403                 if (db_num_rows($result) != 0) {
6404                         return db_fetch_result($result, 0, "feed_id");
6405                 } else {
6406                         return 0;
6407                 }
6408         }
6409
6410         function make_url_from_parts($parts) {
6411                 $url = $parts['scheme'] . '://' . $parts['host'];
6412
6413                 if ($parts['path']) $url .= $parts['path'];
6414                 if ($parts['query']) $url .= '?' . $parts['query'];
6415
6416                 return $url;
6417         }
6418
6419         /**
6420          * Fixes incomplete URLs by prepending "http://".
6421          * Also replaces feed:// with http://, and
6422          * prepends a trailing slash if the url is a domain name only.
6423          *
6424          * @param string $url Possibly incomplete URL
6425          *
6426          * @return string Fixed URL.
6427          */
6428         function fix_url($url) {
6429                 if (strpos($url, '://') === false) {
6430                         $url = 'http://' . $url;
6431                 } else if (substr($url, 0, 5) == 'feed:') {
6432                         $url = 'http:' . substr($url, 5);
6433                 }
6434
6435                 //prepend slash if the URL has no slash in it
6436                 // "http://www.example" -> "http://www.example/"
6437                 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
6438                         $url .= '/';
6439                 }
6440
6441                 if ($url != "http:///")
6442                         return $url;
6443                 else
6444                         return '';
6445         }
6446
6447         function validate_feed_url($url) {
6448                 $parts = parse_url($url);
6449
6450                 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
6451
6452         }
6453
6454         function get_article_enclosures($link, $id) {
6455
6456                 global $memcache;
6457
6458                 $query = "SELECT * FROM ttrss_enclosures
6459                         WHERE post_id = '$id' AND content_url != ''";
6460
6461                 $obj_id = md5("ENCLOSURES:$id");
6462
6463                 $rv = array();
6464
6465                 if ($memcache && $obj = $memcache->get($obj_id)) {
6466                         $rv = $obj;
6467                 } else {
6468                         $result = db_query($link, $query);
6469
6470                         if (db_num_rows($result) > 0) {
6471                                 while ($line = db_fetch_assoc($result)) {
6472                                         array_push($rv, $line);
6473                                 }
6474                                 if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6475                         }
6476                 }
6477
6478                 return $rv;
6479         }
6480
6481         function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset) {
6482
6483                         $feeds = array();
6484
6485                         /* Labels */
6486
6487                         if ($cat_id == -4 || $cat_id == -2) {
6488                                 $counters = getLabelCounters($link, true);
6489
6490                                 foreach (array_values($counters) as $cv) {
6491
6492                                         $unread = $cv["counter"];
6493
6494                                         if ($unread || !$unread_only) {
6495
6496                                                 $row = array(
6497                                                                 "id" => $cv["id"],
6498                                                                 "title" => $cv["description"],
6499                                                                 "unread" => $cv["counter"],
6500                                                                 "cat_id" => -2,
6501                                                         );
6502
6503                                                 array_push($feeds, $row);
6504                                         }
6505                                 }
6506                         }
6507
6508                         /* Virtual feeds */
6509
6510                         if ($cat_id == -4 || $cat_id == -1) {
6511                                 foreach (array(-1, -2, -3, -4, 0) as $i) {
6512                                         $unread = getFeedUnread($link, $i);
6513
6514                                         if ($unread || !$unread_only) {
6515                                                 $title = getFeedTitle($link, $i);
6516
6517                                                 $row = array(
6518                                                                 "id" => $i,
6519                                                                 "title" => $title,
6520                                                                 "unread" => $unread,
6521                                                                 "cat_id" => -1,
6522                                                         );
6523                                                 array_push($feeds, $row);
6524                                         }
6525
6526                                 }
6527                         }
6528
6529                         /* Real feeds */
6530
6531                         if ($limit) {
6532                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
6533                         } else {
6534                                 $limit_qpart = "";
6535                         }
6536
6537                         if ($cat_id == -4 || $cat_id == -3) {
6538                                 $result = db_query($link, "SELECT
6539                                         id, feed_url, cat_id, title, ".
6540                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6541                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
6542                                                 " ORDER BY cat_id, title " . $limit_qpart);
6543                         } else {
6544
6545                                 if ($cat_id)
6546                                         $cat_qpart = "cat_id = '$cat_id'";
6547                                 else
6548                                         $cat_qpart = "cat_id IS NULL";
6549
6550                                 $result = db_query($link, "SELECT
6551                                         id, feed_url, cat_id, title, ".
6552                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6553                                                 FROM ttrss_feeds WHERE
6554                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
6555                                                 " ORDER BY cat_id, title " . $limit_qpart);
6556                         }
6557
6558                         while ($line = db_fetch_assoc($result)) {
6559
6560                                 $unread = getFeedUnread($link, $line["id"]);
6561
6562                                 $has_icon = feed_has_icon($line['id']);
6563
6564                                 if ($unread || !$unread_only) {
6565
6566                                         $row = array(
6567                                                         "feed_url" => $line["feed_url"],
6568                                                         "title" => $line["title"],
6569                                                         "id" => (int)$line["id"],
6570                                                         "unread" => (int)$unread,
6571                                                         "has_icon" => $has_icon,
6572                                                         "cat_id" => (int)$line["cat_id"],
6573                                                         "last_updated" => strtotime($line["last_updated"])
6574                                                 );
6575
6576                                         array_push($feeds, $row);
6577                                 }
6578                         }
6579
6580                 return $feeds;
6581         }
6582
6583         function api_get_headlines($link, $feed_id, $limit, $offset,
6584                                         $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order) {
6585
6586                         /* do not rely on params below */
6587
6588                         $search = db_escape_string($_REQUEST["search"]);
6589                         $search_mode = db_escape_string($_REQUEST["search_mode"]);
6590                         $match_on = db_escape_string($_REQUEST["match_on"]);
6591
6592                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
6593                                 $view_mode, $is_cat, $search, $search_mode, $match_on,
6594                                 $order, $offset);
6595
6596                         $result = $qfh_ret[0];
6597                         $feed_title = $qfh_ret[1];
6598
6599                         $headlines = array();
6600
6601                         while ($line = db_fetch_assoc($result)) {
6602                                 $is_updated = ($line["last_read"] == "" &&
6603                                         ($line["unread"] != "t" && $line["unread"] != "1"));
6604
6605                                 $headline_row = array(
6606                                                 "id" => (int)$line["id"],
6607                                                 "unread" => sql_bool_to_bool($line["unread"]),
6608                                                 "marked" => sql_bool_to_bool($line["marked"]),
6609                                                 "published" => sql_bool_to_bool($line["published"]),
6610                                                 "updated" => strtotime($line["updated"]),
6611                                                 "is_updated" => $is_updated,
6612                                                 "title" => $line["title"],
6613                                                 "link" => $line["link"],
6614                                                 "feed_id" => $line["feed_id"],
6615                                                 "tags" => get_article_tags($link, $line["id"]),
6616                                         );
6617
6618                                 if ($show_excerpt) {
6619                                         $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
6620                                         $headline_row["excerpt"] = $excerpt;
6621                                 }
6622
6623                                 if ($show_content) {
6624                                         $headline_row["content"] = $line["content_preview"];
6625                                 }
6626
6627                                 array_push($headlines, $headline_row);
6628                         }
6629
6630                         return $headlines;
6631         }
6632
6633         function generate_dashboard_feed($link) {
6634                 print "<headlines id=\"-5\" is_cat=\"\">";
6635
6636                 print "<toolbar><![CDATA[]]></toolbar>";
6637
6638                 print '<content><![CDATA[';
6639
6640                 print "<div class='whiteBox'>".__('No feed selected.');
6641
6642                 print "<p class=\"small\"><span class=\"insensitive\">";
6643
6644                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
6645                         WHERE owner_uid = " . $_SESSION['uid']);
6646
6647                 $last_updated = db_fetch_result($result, 0, "last_updated");
6648                 $last_updated = make_local_datetime($link, $last_updated, false);
6649
6650                 printf(__("Feeds last updated at %s"), $last_updated);
6651
6652                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
6653                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
6654
6655                 $num_errors = db_fetch_result($result, 0, "num_errors");
6656
6657                 if ($num_errors > 0) {
6658                         print "<br/>";
6659                         print "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
6660                                 __('Some feeds have update errors (click for details)')."</a>";
6661                 }
6662                 print "</span></p>";
6663
6664                 print "]]></content>";
6665                 print "</headlines>";
6666
6667                 print "<headlines-info><![CDATA[";
6668
6669                 $info = array("count" => 0,
6670                         "vgroup_last_feed" => '',
6671                         "unread" => 0,
6672                         "disable_cache" => true);
6673
6674                 print json_encode($info);
6675
6676                 print "]]></headlines-info>";
6677
6678         }
6679
6680         function save_email_address($link, $email) {
6681                 // FIXME: implement persistent storage of emails
6682
6683                 if (!$_SESSION['stored_emails'])
6684                         $_SESSION['stored_emails'] = array();
6685
6686                 if (!in_array($email, $_SESSION['stored_emails']))
6687                         array_push($_SESSION['stored_emails'], $email);
6688         }
6689
6690         function update_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6691                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6692
6693                 $sql_is_cat = bool_to_sql_bool($is_cat);
6694
6695                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
6696                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
6697                         AND owner_uid = " . $owner_uid);
6698
6699                 if (db_num_rows($result) == 1) {
6700                         $key = db_escape_string(sha1(uniqid(rand(), true)));
6701
6702                         db_query($link, "UPDATE ttrss_access_keys SET access_key = '$key'
6703                                 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
6704                                 AND owner_uid = " . $owner_uid);
6705
6706                         return $key;
6707
6708                 } else {
6709                         return get_feed_access_key($link, $feed_id, $is_cat, $owner_uid);
6710                 }
6711         }
6712
6713         function get_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6714
6715                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6716
6717                 $sql_is_cat = bool_to_sql_bool($is_cat);
6718
6719                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
6720                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
6721                         AND owner_uid = " . $owner_uid);
6722
6723                 if (db_num_rows($result) == 1) {
6724                         return db_fetch_result($result, 0, "access_key");
6725                 } else {
6726                         $key = db_escape_string(sha1(uniqid(rand(), true)));
6727
6728                         $result = db_query($link, "INSERT INTO ttrss_access_keys
6729                                 (access_key, feed_id, is_cat, owner_uid)
6730                                 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
6731
6732                         return $key;
6733                 }
6734                 return false;
6735         }
6736
6737         /**
6738          * Extracts RSS/Atom feed URLs from the given HTML URL.
6739          *
6740          * @param string $url HTML page URL
6741          *
6742          * @return array Array of feeds. Key is the full URL, value the title
6743          */
6744         function get_feeds_from_html($url)
6745         {
6746                 $url     = fix_url($url);
6747                 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
6748
6749                 libxml_use_internal_errors(true);
6750
6751                 $doc = new DOMDocument();
6752                 $doc->loadHTMLFile($url);
6753                 $xpath = new DOMXPath($doc);
6754                 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
6755                 $feedUrls = array();
6756                 foreach ($entries as $entry) {
6757                         if ($entry->hasAttribute('href')) {
6758                                 $title = $entry->getAttribute('title');
6759                                 if ($title == '') {
6760                                         $title = $entry->getAttribute('type');
6761                                 }
6762                                 $feedUrl = rewrite_relative_url(
6763                                         $baseUrl, $entry->getAttribute('href')
6764                                 );
6765                                 $feedUrls[$feedUrl] = $title;
6766                         }
6767                 }
6768                 return $feedUrls;
6769         }
6770
6771         /**
6772          * Checks if the content behind the given URL is a HTML file
6773          *
6774          * @param string $url URL to check
6775          *
6776          * @return boolean True if the URL contains HTML content
6777          */
6778         function url_is_html($url) {
6779                 $content = substr(fetch_file_contents($url, false), 0, 1000);
6780                 if (stripos($content, '<html>') === false
6781                         && stripos($content, '<html ') === false
6782                 ) {
6783                         return false;
6784                 }
6785
6786                 return true;
6787         }
6788
6789         function print_label_select($link, $name, $value, $attributes = "") {
6790
6791                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6792                         WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6793
6794                 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
6795                         "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
6796
6797                 while ($line = db_fetch_assoc($result)) {
6798
6799                         $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
6800
6801                         print "<option value=\"".htmlspecialchars($line["caption"])."\"
6802                                 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
6803
6804                 }
6805
6806 #               print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
6807
6808                 print "</select>";
6809
6810
6811         }
6812
6813         function print_article_enclosures($link, $id, $always_display_enclosures,
6814                                         $article_content) {
6815
6816                 $result = get_article_enclosures($link, $id);
6817
6818                 if (count($result) > 0) {
6819
6820                         $entries_html = array();
6821                         $entries = array();
6822
6823                         foreach ($result as $line) {
6824
6825                                 $url = $line["content_url"];
6826                                 $ctype = $line["content_type"];
6827
6828                                 if (!$ctype) $ctype = __("unknown type");
6829
6830                                 $filename = substr($url, strrpos($url, "/")+1);
6831
6832                                 $entry = format_inline_player($link, $url, $ctype);
6833
6834                                 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
6835                                         $filename . " (" . $ctype . ")" . "</a>";
6836
6837                                 array_push($entries_html, $entry);
6838
6839                                 $entry = array();
6840
6841                                 $entry["type"] = $ctype;
6842                                 $entry["filename"] = $filename;
6843                                 $entry["url"] = $url;
6844
6845                                 array_push($entries, $entry);
6846                         }
6847
6848                         print "<div class=\"postEnclosures\">";
6849
6850                         if (!get_pref($link, "STRIP_IMAGES")) {
6851                                 if ($always_display_enclosures ||
6852                                                         !preg_match("/<img/i", $article_content)) {
6853
6854                                         foreach ($entries as $entry) {
6855
6856                                                 if (preg_match("/image/", $entry["type"]) ||
6857                                                                 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
6858
6859                                                                 print "<p><img
6860                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
6861                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
6862                                                 }
6863                                         }
6864                                 }
6865                         }
6866
6867                         if (count($entries) == 1) {
6868                                 print __("Attachment:") . " ";
6869                         } else {
6870                                 print __("Attachments:") . " ";
6871                         }
6872
6873                         print join(", ", $entries_html);
6874
6875                         print "</div>";
6876                 }
6877         }
6878
6879         function getLastArticleId($link) {
6880                 $result = db_query($link, "SELECT MAX(ref_id) AS id FROM ttrss_user_entries
6881                         WHERE owner_uid = " . $_SESSION["uid"]);
6882
6883                 if (db_num_rows($result) == 1) {
6884                         return db_fetch_result($result, 0, "id");
6885                 } else {
6886                         return -1;
6887                 }
6888         }
6889
6890         function build_url($parts) {
6891                 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
6892         }
6893
6894         /**
6895          * Converts a (possibly) relative URL to a absolute one.
6896          *
6897          * @param string $url     Base URL (i.e. from where the document is)
6898          * @param string $rel_url Possibly relative URL in the document
6899          *
6900          * @return string Absolute URL
6901          */
6902         function rewrite_relative_url($url, $rel_url) {
6903                 if (strpos($rel_url, "://") !== false) {
6904                         return $rel_url;
6905                 } else if (strpos($rel_url, "/") === 0)
6906                 {
6907                         $parts = parse_url($url);
6908                         $parts['path'] = $rel_url;
6909
6910                         return build_url($parts);
6911
6912                 } else {
6913                         $parts = parse_url($url);
6914                         if (!isset($parts['path'])) {
6915                                 $parts['path'] = '/';
6916                         }
6917                         $dir = $parts['path'];
6918                         if (substr($dir, -1) !== '/') {
6919                                 $dir = dirname($parts['path']);
6920                                 $dir !== '/' && $dir .= '/';
6921                         }
6922                         $parts['path'] = $dir . $rel_url;
6923
6924                         return build_url($parts);
6925                 }
6926         }
6927
6928         function sphinx_search($query, $offset = 0, $limit = 30) {
6929                 $sphinxClient = new SphinxClient();
6930
6931                 $sphinxClient->SetServer('localhost', 9312);
6932                 $sphinxClient->SetConnectTimeout(1);
6933
6934                 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
6935                         'feed_title' => 20));
6936
6937                 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
6938                 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
6939                 $sphinxClient->SetLimits($offset, $limit, 1000);
6940                 $sphinxClient->SetArrayResult(false);
6941                 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
6942
6943                 $result = $sphinxClient->Query($query, SPHINX_INDEX);
6944
6945                 $ids = array();
6946
6947                 if (is_array($result['matches'])) {
6948                         foreach (array_keys($result['matches']) as $int_id) {
6949                                 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
6950                                 array_push($ids, $ref_id);
6951                         }
6952                 }
6953
6954                 return $ids;
6955         }
6956
6957         function cleanup_tags($link, $days = 14, $limit = 1000) {
6958
6959                 if (DB_TYPE == "pgsql") {
6960                         $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
6961                 } else if (DB_TYPE == "mysql") {
6962                         $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
6963                 }
6964
6965                 $tags_deleted = 0;
6966
6967                 while ($limit > 0) {
6968                         $limit_part = 500;
6969
6970                         $query = "SELECT ttrss_tags.id AS id
6971                                 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
6972                                 WHERE post_int_id = int_id AND $interval_query AND
6973                                 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
6974
6975                         $result = db_query($link, $query);
6976
6977                         $ids = array();
6978
6979                         while ($line = db_fetch_assoc($result)) {
6980                                 array_push($ids, $line['id']);
6981                         }
6982
6983                         if (count($ids) > 0) {
6984                                 $ids = join(",", $ids);
6985                                 print ".";
6986
6987                                 $tmp_result = db_query($link, "DELETE FROM ttrss_tags WHERE id IN ($ids)");
6988                                 $tags_deleted += db_affected_rows($link, $tmp_result);
6989                         } else {
6990                                 break;
6991                         }
6992
6993                         $limit -= $limit_part;
6994                 }
6995
6996                 print "\n";
6997
6998                 return $tags_deleted;
6999         }
7000
7001         function feedlist_init_cat($link, $cat_id, $hidden = false) {
7002                 $obj = array();
7003                 $cat_id = (int) $cat_id;
7004
7005                 if ($cat_id > 0) {
7006                         $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
7007                 } else if ($cat_id == 0 || $cat_id == -2) {
7008                         $cat_unread = getCategoryUnread($link, $cat_id);
7009                 }
7010
7011                 $obj['id'] = 'CAT:' . $cat_id;
7012                 $obj['items'] = array();
7013                 $obj['name'] = getCategoryTitle($link, $cat_id);
7014                 $obj['type'] = 'feed';
7015                 $obj['unread'] = (int) $cat_unread;
7016                 $obj['hidden'] = $hidden;
7017                 $obj['bare_id'] = $cat_id;
7018
7019                 return $obj;
7020         }
7021
7022         function feedlist_init_feed($link, $feed_id, $title = false, $unread = false, $error = '', $updated = '') {
7023                 $obj = array();
7024                 $feed_id = (int) $feed_id;
7025
7026                 if (!$title)
7027                         $title = getFeedTitle($link, $feed_id, false);
7028
7029                 if ($unread === false)
7030                         $unread = getFeedUnread($link, $feed_id, false);
7031
7032                 $obj['id'] = 'FEED:' . $feed_id;
7033                 $obj['name'] = $title;
7034                 $obj['unread'] = (int) $unread;
7035                 $obj['type'] = 'feed';
7036                 $obj['error'] = $error;
7037                 $obj['updated'] = $updated;
7038                 $obj['icon'] = getFeedIcon($feed_id);
7039                 $obj['bare_id'] = $feed_id;
7040
7041                 return $obj;
7042         }
7043
7044         function fetch_twitter_rss($link, $url, $owner_uid) {
7045                 $result = db_query($link, "SELECT twitter_oauth FROM ttrss_users
7046                         WHERE id = $owner_uid");
7047
7048                 $access_token = json_decode(db_fetch_result($result, 0, 'twitter_oauth'), true);
7049
7050                 if ($access_token) {
7051
7052                         /* Create a TwitterOauth object with consumer/user tokens. */
7053                         $connection = new TwitterOAuth(CONSUMER_KEY, CONSUMER_SECRET, $access_token['oauth_token'], $access_token['oauth_token_secret']);
7054
7055                         /* If method is set change API call made. Test is called by default. */
7056                         $content = $connection->get($url);
7057
7058                         $rss = new MagpieRSS($content, MAGPIE_OUTPUT_ENCODING,
7059                                 MAGPIE_INPUT_ENCODING, MAGPIE_DETECT_ENCODING );
7060
7061                         return $rss;
7062                 } else {
7063                         return false;
7064                 }
7065         }
7066
7067         function print_user_stylesheet($link) {
7068                 $value = get_pref($link, 'USER_STYLESHEET');
7069
7070                 if ($value) {
7071                         print "<style type=\"text/css\">";
7072                         print $value;
7073                         print "</style>";
7074                 }
7075
7076         }
7077
7078 ?>