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         require_once "lib/accept-to-gettext.php";
  46         require_once "lib/gettext/gettext.inc";
  47
  48         function startup_gettext() {
  49
  50                 # Get locale from Accept-Language header
  51                 $lang = al2gt(array_keys(get_translations()), "text/html");
  52
  53                 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  54                         $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  55                 }
  56
  57                 if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  58                         $lang = $_COOKIE["ttrss_lang"];
  59                 }
  60
  61                 /* In login action of mobile version */
  62                 if ($_POST["language"] && defined('MOBILE_VERSION')) {
  63                         $lang = $_POST["language"];
  64                         $_COOKIE["ttrss_lang"] = $lang;
  65                 }
  66
  67                 if ($lang) {
  68                         if (defined('LC_MESSAGES')) {
  69                                 _setlocale(LC_MESSAGES, $lang);
  70                         } else if (defined('LC_ALL')) {
  71                                 _setlocale(LC_ALL, $lang);
  72                         }
  73
  74                         if (defined('MOBILE_VERSION')) {
  75                                 _bindtextdomain("messages", "../locale");
  76                         } else {
  77                                 _bindtextdomain("messages", "locale");
  78                         }
  79
  80                         _textdomain("messages");
  81                         _bind_textdomain_codeset("messages", "UTF-8");
  82                 }
  83         }
  84
  85         startup_gettext();
  86
  87         if (defined('MEMCACHE_SERVER')) {
  88                 $memcache = new Memcache;
  89                 $memcache->connect(MEMCACHE_SERVER, 11211);
  90         }
  91
  92         require_once 'db-prefs.php';
  93         require_once 'errors.php';
  94         require_once 'version.php';
  95
  96         require_once 'lib/phpmailer/class.phpmailer.php';
  97         require_once 'lib/sphinxapi.php';
  98         require_once 'lib/tmhoauth/tmhOAuth.php';
  99
 100         //define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
 101         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
 102
 103         define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
 104         define('MAGPIE_USER_AGENT', SELF_USER_AGENT);
 105
 106         ini_set('user_agent', SELF_USER_AGENT);
 107
 108         require_once "lib/simplepie/simplepie.inc";
 109         require_once "lib/magpierss/rss_fetch.inc";
 110         require_once 'lib/magpierss/rss_utils.inc';
 111         require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
 112         require_once 'lib/pubsubhubbub/publisher.php';
 113         require_once 'lib/pubsubhubbub/subscriber.php';
 114
 115         $config = HTMLPurifier_Config::createDefault();
 116
 117         $allowed = "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4,s,object[classid|type|id|name|width|height|codebase],param[name|value],table,tr,td";
 118
 119         $config->set('HTML.SafeObject', true);
 120         @$config->set('HTML', 'Allowed', $allowed);
 121         $config->set('Output.FlashCompat', true);
 122         $config->set('Attr.EnableID', true);
 123         @$config->set('Cache', 'SerializerPath', CACHE_DIR . "/htmlpurifier");
 124
 125         $purifier = new HTMLPurifier($config);
 126
 127         $tz_offset = -1;
 128         $utc_tz = new DateTimeZone('UTC');
 129         $schema_version = false;
 130
 131         /**
 132          * Print a timestamped debug message.
 133          *
 134          * @param string $msg The debug message.
 135          * @return void
 136          */
 137         function _debug($msg) {
 138                 $ts = strftime("%H:%M:%S", time());
 139                 if (function_exists('posix_getpid')) {
 140                         $ts = "$ts/" . posix_getpid();
 141                 }
 142                 print "[$ts] $msg\n";
 143         } // function _debug
 144
 145         /**
 146          * Purge a feed old posts.
 147          *
 148          * @param mixed $link A database connection.
 149          * @param mixed $feed_id The id of the purged feed.
 150          * @param mixed $purge_interval Olderness of purged posts.
 151          * @param boolean $debug Set to True to enable the debug. False by default.
 152          * @access public
 153          * @return void
 154          */
 155         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 156
 157                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 158
 159                 $rows = -1;
 160
 161                 $result = db_query($link,
 162                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 163
 164                 $owner_uid = false;
 165
 166                 if (db_num_rows($result) == 1) {
 167                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 168                 }
 169
 170                 if ($purge_interval == -1 || !$purge_interval) {
 171                         if ($owner_uid) {
 172                                 ccache_update($link, $feed_id, $owner_uid);
 173                         }
 174                         return;
 175                 }
 176
 177                 if (!$owner_uid) return;
 178
 179                 if (FORCE_ARTICLE_PURGE == 0) {
 180                         $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 181                                 $owner_uid, false);
 182                 } else {
 183                         $purge_unread = true;
 184                         $purge_interval = FORCE_ARTICLE_PURGE;
 185                 }
 186
 187                 if (!$purge_unread) $query_limit = " unread = false AND ";
 188
 189                 if (DB_TYPE == "pgsql") {
 190                         $pg_version = get_pgsql_version($link);
 191
 192                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 193
 194                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 195                                         ttrss_entries.id = ref_id AND
 196                                         marked = false AND
 197                                         feed_id = '$feed_id' AND
 198                                         $query_limit
 199                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 200
 201                         } else {
 202
 203                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 204                                         USING ttrss_entries
 205                                         WHERE ttrss_entries.id = ref_id AND
 206                                         marked = false AND
 207                                         feed_id = '$feed_id' AND
 208                                         $query_limit
 209                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 210                         }
 211
 212                         $rows = pg_affected_rows($result);
 213
 214                 } else {
 215
 216 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 217                                 marked = false AND feed_id = '$feed_id' AND
 218                                 (SELECT date_updated FROM ttrss_entries WHERE
 219                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 220
 221                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 222                                 USING ttrss_user_entries, ttrss_entries
 223                                 WHERE ttrss_entries.id = ref_id AND
 224                                 marked = false AND
 225                                 feed_id = '$feed_id' AND
 226                                 $query_limit
 227                                 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 228
 229                         $rows = mysql_affected_rows($link);
 230
 231                 }
 232
 233                 ccache_update($link, $feed_id, $owner_uid);
 234
 235                 if ($debug) {
 236                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 237                 }
 238         } // function purge_feed
 239
 240         /**
 241          * Purge old posts from old feeds. Not used anymore, purging is done after feed update.
 242          *
 243          * @param mixed $link A database connection
 244          * @param boolean $do_output Set to true to enable printed output, false by default.
 245          * @param integer $limit The maximal number of removed posts.
 246          * @access public
 247          * @return void
 248          */
 249         /* function global_purge_old_posts($link, $do_output = false, $limit = false) {
 250
 251                 $random_qpart = sql_random_function();
 252
 253                 if ($limit) {
 254                         $limit_qpart = "LIMIT $limit";
 255                 } else {
 256                         $limit_qpart = "";
 257                 }
 258
 259                 $result = db_query($link,
 260                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 261                                 ORDER BY $random_qpart $limit_qpart");
 262
 263                 while ($line = db_fetch_assoc($result)) {
 264
 265                         $feed_id = $line["id"];
 266                         $purge_interval = $line["purge_interval"];
 267                         $owner_uid = $line["owner_uid"];
 268
 269                         if ($purge_interval == 0) {
 270
 271                                 $tmp_result = db_query($link,
 272                                         "SELECT value FROM ttrss_user_prefs WHERE
 273                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 274
 275                                 if (db_num_rows($tmp_result) != 0) {
 276                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 277                                 }
 278                         }
 279
 280                         if ($do_output) {
 281 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 282                         }
 283
 284                         if ($purge_interval > 0 || FORCE_ARTICLE_PURGE) {
 285                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 286                         }
 287                 }
 288
 289                 purge_orphans($link, $do_output);
 290
 291         } // function global_purge_old_posts */
 292
 293         function feed_purge_interval($link, $feed_id) {
 294
 295                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 296                         WHERE id = '$feed_id'");
 297
 298                 if (db_num_rows($result) == 1) {
 299                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 300                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 301
 302                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 303                                 'PURGE_OLD_DAYS', $owner_uid);
 304
 305                         return $purge_interval;
 306
 307                 } else {
 308                         return -1;
 309                 }
 310         }
 311
 312         function purge_old_posts($link) {
 313
 314                 $user_id = $_SESSION["uid"];
 315
 316                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 317                         WHERE owner_uid = '$user_id'");
 318
 319                 while ($line = db_fetch_assoc($result)) {
 320
 321                         $feed_id = $line["id"];
 322                         $purge_interval = $line["purge_interval"];
 323
 324                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 325
 326                         if ($purge_interval > 0) {
 327                                 purge_feed($link, $feed_id, $purge_interval);
 328                         }
 329                 }
 330
 331                 purge_orphans($link);
 332         }
 333
 334         function purge_orphans($link, $do_output = false) {
 335
 336                 // purge orphaned posts in main content table
 337                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 338                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 339
 340                 if ($do_output) {
 341                         $rows = db_affected_rows($link, $result);
 342                         _debug("Purged $rows orphaned posts.");
 343                 }
 344         }
 345
 346         function get_feed_update_interval($link, $feed_id) {
 347                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 348                         ttrss_feeds WHERE id = '$feed_id'");
 349
 350                 if (db_num_rows($result) == 1) {
 351                         $update_interval = db_fetch_result($result, 0, "update_interval");
 352                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 353
 354                         if ($update_interval != 0) {
 355                                 return $update_interval;
 356                         } else {
 357                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 358                         }
 359
 360                 } else {
 361                         return -1;
 362                 }
 363         }
 364
 365         function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false) {
 366                 $login = urlencode($login);
 367                 $pass = urlencode($pass);
 368
 369                 if (function_exists('curl_init') && !ini_get("open_basedir")) {
 370                         $ch = curl_init($url);
 371
 372                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 373                         curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 374                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
 375                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
 376                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 377                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 378                         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
 379                         curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
 380                         curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
 381
 382                         if ($post_query) {
 383                                 curl_setopt($ch, CURLOPT_POST, true);
 384                                 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
 385                         }
 386
 387                         if ($login && $pass)
 388                                 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
 389
 390                         $contents = @curl_exec($ch);
 391                         if ($contents === false) {
 392                                 curl_close($ch);
 393                                 return false;
 394                         }
 395
 396                         $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
 397                         $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 398                         curl_close($ch);
 399
 400                         if ($http_code != 200 || $type && strpos($content_type, "$type") === false) {
 401                                 return false;
 402                         }
 403
 404                         return $contents;
 405                 } else {
 406                         if ($login && $pass ){
 407                                 $url_parts = array();
 408
 409                                 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
 410
 411                                 if ($url_parts[1] && $url_parts[2]) {
 412                                         $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
 413                                 }
 414                         }
 415
 416                         return @file_get_contents($url);
 417                 }
 418
 419         }
 420
 421         /**
 422          * Try to determine the favicon URL for a feed.
 423          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 424          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 425          *
 426          * @param string $url A feed or page URL
 427          * @access public
 428          * @return mixed The favicon URL, or false if none was found.
 429          */
 430         function get_favicon_url($url) {
 431
 432                 $favicon_url = false;
 433
 434                 if ($html = @fetch_file_contents($url)) {
 435
 436                         libxml_use_internal_errors(true);
 437
 438                         $doc = new DOMDocument();
 439                         $doc->loadHTML($html);
 440                         $xpath = new DOMXPath($doc);
 441
 442                         $base = $xpath->query('/html/head/base');
 443                         foreach ($base as $b) {
 444                                 $url = $b->getAttribute("href");
 445                                 break;
 446                         }
 447
 448                         $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
 449                         if (count($entries) > 0) {
 450                                 foreach ($entries as $entry) {
 451                                         $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
 452                                         break;
 453                                 }
 454                         }
 455                 }
 456
 457                 if (!$favicon_url)
 458                         $favicon_url = rewrite_relative_url($url, "/favicon.ico");
 459
 460                 return $favicon_url;
 461         } // function get_favicon_url
 462
 463         function check_feed_favicon($site_url, $feed, $link) {
 464                 $favicon_url = get_favicon_url($site_url);
 465
 466 #               print "FAVICON [$site_url]: $favicon_url\n";
 467
 468                 $icon_file = ICONS_DIR . "/$feed.ico";
 469
 470                 if ($favicon_url && !file_exists($icon_file)) {
 471                         $contents = fetch_file_contents($favicon_url, "image");
 472                         if ($contents) {
 473                                 $fp = fopen($icon_file, "w");
 474
 475                                 if ($fp) {
 476                                         fwrite($fp, $contents);
 477                                         fclose($fp);
 478                                         chmod($icon_file, 0644);
 479                                 }
 480                         }
 481                 }
 482         }
 483
 484         function update_rss_feed($link, $feed, $ignore_daemon = false, $no_cache = false) {
 485
 486                 global $memcache;
 487
 488                 /* Update all feeds with the same URL to utilize memcache */
 489
 490                 if ($memcache) {
 491                         $result = db_query($link, "SELECT f1.id
 492                                 FROM ttrss_feeds AS f1, ttrss_feeds AS f2
 493                                 WHERE   f2.feed_url = f1.feed_url AND f2.id = '$feed'");
 494
 495                         while ($line = db_fetch_assoc($result)) {
 496                                 update_rss_feed_real($link, $line["id"], $ignore_daemon, $no_cache);
 497                         }
 498                 } else {
 499                         update_rss_feed_real($link, $feed, $ignore_daemon, $no_cache);
 500                 }
 501         }
 502
 503         function update_rss_feed_real($link, $feed, $ignore_daemon = false, $no_cache = false,
 504                 $override_url = false) {
 505
 506                 global $memcache;
 507
 508                 $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug'];
 509
 510                 if (!$_REQUEST["daemon"] && !$ignore_daemon) {
 511                         return false;
 512                 }
 513
 514                 if ($debug_enabled) {
 515                         _debug("update_rss_feed: start");
 516                 }
 517
 518                 if (!$ignore_daemon) {
 519
 520                         if (DB_TYPE == "pgsql") {
 521                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 522                                 } else {
 523                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 524                                 }
 525
 526                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 527                                 auth_pass,cache_images,update_method
 528                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 529
 530                 } else {
 531
 532                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 533                                 feed_url,auth_pass,cache_images,update_method,last_updated,
 534                                 mark_unread_on_update, owner_uid, update_on_checksum_change,
 535                                 pubsub_state
 536                                 FROM ttrss_feeds WHERE id = '$feed'");
 537
 538                 }
 539
 540                 if (db_num_rows($result) == 0) {
 541                         if ($debug_enabled) {
 542                                 _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED");
 543                         }
 544                         return false;
 545                 }
 546
 547                 $update_method = db_fetch_result($result, 0, "update_method");
 548                 $last_updated = db_fetch_result($result, 0, "last_updated");
 549                 $owner_uid = db_fetch_result($result, 0, "owner_uid");
 550                 $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result,
 551                         0, "mark_unread_on_update"));
 552                 $update_on_checksum_change = sql_bool_to_bool(db_fetch_result($result,
 553                         0, "update_on_checksum_change"));
 554                 $pubsub_state = db_fetch_result($result, 0, "pubsub_state");
 555
 556                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 557                         WHERE id = '$feed'");
 558
 559                 $auth_login = db_fetch_result($result, 0, "auth_login");
 560                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 561
 562                 if ($update_method == 0)
 563                         $update_method = DEFAULT_UPDATE_METHOD + 1;
 564
 565                 // 1 - Magpie
 566                 // 2 - SimplePie
 567                 // 3 - Twitter OAuth
 568
 569                 if ($update_method == 2)
 570                         $use_simplepie = true;
 571                 else
 572                         $use_simplepie = false;
 573
 574                 if ($debug_enabled) {
 575                         _debug("update method: $update_method (feed setting: $update_method) (use simplepie: $use_simplepie)\n");
 576                 }
 577
 578                 if ($update_method == 1) {
 579                         $auth_login = urlencode($auth_login);
 580                         $auth_pass = urlencode($auth_pass);
 581                 }
 582
 583                 $update_interval = db_fetch_result($result, 0, "update_interval");
 584                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 585                 $fetch_url = db_fetch_result($result, 0, "feed_url");
 586
 587                 if ($update_interval < 0) { return false; }
 588
 589                 $feed = db_escape_string($feed);
 590
 591                 if ($auth_login && $auth_pass ){
 592                         $url_parts = array();
 593                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 594
 595                         if ($url_parts[1] && $url_parts[2]) {
 596                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 597                         }
 598
 599                 }
 600
 601                 if ($override_url)
 602                         $fetch_url = $override_url;
 603
 604                 if ($debug_enabled) {
 605                         _debug("update_rss_feed: fetching [$fetch_url]...");
 606                 }
 607
 608                 $obj_id = md5("FDATA:$use_simplepie:$fetch_url");
 609
 610                 if ($memcache && $obj = $memcache->get($obj_id)) {
 611
 612                         if ($debug_enabled) {
 613                                 _debug("update_rss_feed: data found in memcache.");
 614                         }
 615
 616                         $rss = $obj;
 617
 618                 } else {
 619
 620                         if ($update_method == 3) {
 621                                 $rss = fetch_twitter_rss($link, $fetch_url, $owner_uid);
 622                         } else if ($update_method == 1) {
 623
 624                                 define('MAGPIE_CACHE_AGE', get_feed_update_interval($link, $feed) * 60);
 625                                 define('MAGPIE_CACHE_ON', !$no_cache);
 626                                 define('MAGPIE_FETCH_TIME_OUT', 60);
 627                                 define('MAGPIE_CACHE_DIR', CACHE_DIR . "/magpie");
 628
 629                                 $rss = @fetch_rss($fetch_url);
 630                         } else {
 631                                 $simplepie_cache_dir = CACHE_DIR . "/simplepie";
 632
 633                                 if (!is_dir($simplepie_cache_dir)) {
 634                                         mkdir($simplepie_cache_dir);
 635                                 }
 636
 637                                 $rss = new SimplePie();
 638                                 $rss->set_useragent(SELF_USER_AGENT);
 639         #                       $rss->set_timeout(10);
 640                                 $rss->set_feed_url($fetch_url);
 641                                 $rss->set_output_encoding('UTF-8');
 642
 643                                 if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 644
 645                                         if ($debug_enabled) {
 646                                                 _debug("enabling image cache");
 647                                         }
 648
 649                                         $rss->set_image_handler("image.php", 'i');
 650                                 }
 651
 652                                 if ($debug_enabled) {
 653                                         _debug("feed update interval (sec): " .
 654                                                 get_feed_update_interval($link, $feed)*60);
 655                                 }
 656
 657                                 $rss->enable_cache(!$no_cache);
 658
 659                                 if (!$no_cache) {
 660                                         $rss->set_cache_location($simplepie_cache_dir);
 661                                         $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 662                                 }
 663
 664                                 $rss->init();
 665                         }
 666
 667                         if ($memcache && $rss) $memcache->add($obj_id, $rss, 0, 300);
 668                 }
 669
 670 //              print_r($rss);
 671
 672                 if ($debug_enabled) {
 673                         _debug("update_rss_feed: fetch done, parsing...");
 674                 }
 675
 676                 $feed = db_escape_string($feed);
 677
 678                 if ($update_method == 2) {
 679                         $fetch_ok = !$rss->error();
 680                 } else {
 681                         $fetch_ok = !!$rss;
 682                 }
 683
 684                 if ($fetch_ok) {
 685
 686                         if ($debug_enabled) {
 687                                 _debug("update_rss_feed: processing feed data...");
 688                         }
 689
 690 //                      db_query($link, "BEGIN");
 691
 692                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 693                                 FROM ttrss_feeds WHERE id = '$feed'");
 694
 695                         $registered_title = db_fetch_result($result, 0, "title");
 696                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 697                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 698
 699                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 700
 701                         if ($use_simplepie) {
 702                                 $site_url = $rss->get_link();
 703                         } else {
 704                                 $site_url = $rss->channel["link"];
 705                         }
 706
 707                         $site_url = rewrite_relative_url($fetch_url, $site_url);
 708
 709                         if ($debug_enabled) {
 710                                 _debug("update_rss_feed: checking favicon...");
 711                         }
 712
 713                         check_feed_favicon($site_url, $feed, $link);
 714
 715                         if (!$registered_title || $registered_title == "[Unknown]") {
 716
 717                                 if ($use_simplepie) {
 718                                         $feed_title = db_escape_string($rss->get_title());
 719                                 } else {
 720                                         $feed_title = db_escape_string($rss->channel["title"]);
 721                                 }
 722
 723                                 if ($debug_enabled) {
 724                                         _debug("update_rss_feed: registering title: $feed_title");
 725                                 }
 726
 727                                 db_query($link, "UPDATE ttrss_feeds SET
 728                                         title = '$feed_title' WHERE id = '$feed'");
 729                         }
 730
 731                         // weird, weird Magpie
 732                         if (!$use_simplepie) {
 733                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 734                         }
 735
 736                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 737                                 db_query($link, "UPDATE ttrss_feeds SET
 738                                         site_url = '$site_url' WHERE id = '$feed'");
 739                         }
 740
 741 //                      print "I: " . $rss->channel["image"]["url"];
 742
 743                         if (!$use_simplepie) {
 744                                 $icon_url = db_escape_string($rss->image["url"]);
 745                         } else {
 746                                 $icon_url = db_escape_string($rss->get_image_url());
 747                         }
 748
 749                         $icon_url = substr($icon_url, 0, 250);
 750
 751                         if ($icon_url && $orig_icon_url != $icon_url) {
 752                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 753                         }
 754
 755                         if ($debug_enabled) {
 756                                 _debug("update_rss_feed: loading filters...");
 757                         }
 758
 759                         $filters = load_filters($link, $feed, $owner_uid);
 760
 761 //                      if ($debug_enabled) {
 762 //                              print_r($filters);
 763 //                      }
 764
 765                         if ($use_simplepie) {
 766                                 $iterator = $rss->get_items();
 767                         } else {
 768                                 $iterator = $rss->items;
 769                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 770                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 771                         }
 772
 773                         if (!is_array($iterator)) {
 774                                 /* db_query($link, "UPDATE ttrss_feeds
 775                                         SET last_error = 'Parse error: can\'t find any articles.'
 776                                         WHERE id = '$feed'"); */
 777
 778                                 // clear any errors and mark feed as updated if fetched okay
 779                                 // even if it's blank
 780
 781                                 if ($debug_enabled) {
 782                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 783                                 }
 784
 785                                 db_query($link, "UPDATE ttrss_feeds
 786                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 787
 788                                 return; // no articles
 789                         }
 790
 791                         if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) {
 792
 793                                 if ($debug_enabled) _debug("update_rss_feed: checking for PUSH hub...");
 794
 795                                 $feed_hub_url = false;
 796                                 if ($use_simplepie) {
 797                                         $links = $rss->get_links('hub');
 798
 799                                         if ($links && is_array($links)) {
 800                                                 foreach ($links as $l) {
 801                                                         $feed_hub_url = $l;
 802                                                         break;
 803                                                 }
 804                                         }
 805
 806                                 } else {
 807                                         $atom = $rss->channel['atom'];
 808
 809                                         if ($atom) {
 810                                                 if ($atom['link@rel'] == 'hub') {
 811                                                         $feed_hub_url = $atom['link@href'];
 812                                                 }
 813
 814                                                 if (!$feed_hub_url && $atom['link#'] > 1) {
 815                                                         for ($i = 2; $i <= $atom['link#']; $i++) {
 816                                                                 if ($atom["link#$i@rel"] == 'hub') {
 817                                                                         $feed_hub_url = $atom["link#$i@href"];
 818                                                                         break;
 819                                                                 }
 820                                                         }
 821                                                 }
 822                                         } else {
 823                                                 $feed_hub_url = $rss->channel['link_hub'];
 824                                         }
 825                                 }
 826
 827                                 if ($debug_enabled) _debug("update_rss_feed: feed hub url: $feed_hub_url");
 828
 829                                 if ($feed_hub_url && function_exists('curl_init') &&
 830                                         !ini_get("open_basedir")) {
 831
 832                                         $callback_url = get_self_url_prefix() .
 833                                                 "/backend.php?op=pubsub&id=$feed";
 834
 835                                         $s = new Subscriber($feed_hub_url, $callback_url);
 836
 837                                         $rc = $s->subscribe($fetch_url);
 838
 839                                         if ($debug_enabled)
 840                                                 _debug("update_rss_feed: feed hub url found, subscribe request sent.");
 841
 842                                         db_query($link, "UPDATE ttrss_feeds SET pubsub_state = 1
 843                                                 WHERE id = '$feed'");
 844                                 }
 845                         }
 846
 847                         if ($debug_enabled) {
 848                                 _debug("update_rss_feed: processing articles...");
 849                         }
 850
 851                         foreach ($iterator as $item) {
 852
 853                                 if ($_REQUEST['xdebug'] == 2) {
 854                                         print_r($item);
 855                                 }
 856
 857                                 if ($use_simplepie) {
 858                                         $entry_guid = $item->get_id();
 859                                         if (!$entry_guid) $entry_guid = $item->get_link();
 860                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 861
 862                                 } else {
 863
 864                                         $entry_guid = $item["id"];
 865
 866                                         if (!$entry_guid) $entry_guid = $item["guid"];
 867                                         if (!$entry_guid) $entry_guid = $item["about"];
 868                                         if (!$entry_guid) $entry_guid = $item["link"];
 869                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 870                                 }
 871
 872                                 if ($debug_enabled) {
 873                                         _debug("update_rss_feed: guid $entry_guid");
 874                                 }
 875
 876                                 if (!$entry_guid) continue;
 877
 878                                 $entry_timestamp = "";
 879
 880                                 if ($use_simplepie) {
 881                                         $entry_timestamp = strtotime($item->get_date());
 882                                 } else {
 883                                         $rss_2_date = $item['pubdate'];
 884                                         $rss_1_date = $item['dc']['date'];
 885                                         $atom_date = $item['issued'];
 886                                         if (!$atom_date) $atom_date = $item['updated'];
 887
 888                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 889                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 890                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 891
 892                                 }
 893
 894                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 895                                         $entry_timestamp = time();
 896                                         $no_orig_date = 'true';
 897                                 } else {
 898                                         $no_orig_date = 'false';
 899                                 }
 900
 901                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 902
 903                                 if ($debug_enabled) {
 904                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
 905                                 }
 906
 907                                 if ($use_simplepie) {
 908                                         $entry_title = $item->get_title();
 909                                 } else {
 910                                         $entry_title = trim(strip_tags($item["title"]));
 911                                 }
 912
 913                                 if ($use_simplepie) {
 914                                         $entry_link = $item->get_link();
 915                                 } else {
 916                                         // strange Magpie workaround
 917                                         $entry_link = $item["link_"];
 918                                         if (!$entry_link) $entry_link = $item["link"];
 919                                 }
 920
 921                                 $entry_link = rewrite_relative_url($site_url, $entry_link);
 922
 923                                 if ($debug_enabled) {
 924                                         _debug("update_rss_feed: title $entry_title");
 925                                         _debug("update_rss_feed: link $entry_link");
 926                                 }
 927
 928                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 929
 930                                 $entry_link = strip_tags($entry_link);
 931
 932                                 if ($use_simplepie) {
 933                                         $entry_content = $item->get_content();
 934                                         if (!$entry_content) $entry_content = $item->get_description();
 935                                 } else {
 936                                         $entry_content = $item["content:escaped"];
 937
 938                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 939                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 940                                         if (!$entry_content) $entry_content = $item["content"];
 941
 942                                         // Magpie bugs are getting ridiculous
 943                                         if (trim($entry_content) == "Array") $entry_content = false;
 944
 945                                         if (!$entry_content) $entry_content = $item["atom_content"];
 946                                         if (!$entry_content) $entry_content = $item["summary"];
 947
 948                                         if (!$entry_content ||
 949                                                 strlen($entry_content) < strlen($item["description"])) {
 950                                                         $entry_content = $item["description"];
 951                                         };
 952
 953                                         // WTF
 954                                         if (is_array($entry_content)) {
 955                                                 $entry_content = $entry_content["encoded"];
 956                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 957                                         }
 958                                 }
 959
 960                                 if ($_REQUEST["xdebug"] == 2) {
 961                                         print "update_rss_feed: content: ";
 962                                         print_r(htmlspecialchars($entry_content));
 963                                 }
 964
 965                                 $entry_content_unescaped = $entry_content;
 966
 967                                 if ($use_simplepie) {
 968                                         $entry_comments = strip_tags($item->data["comments"]);
 969                                         if ($item->get_author()) {
 970                                                 $entry_author_item = $item->get_author();
 971                                                 $entry_author = $entry_author_item->get_name();
 972                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 973
 974                                                 $entry_author = db_escape_string($entry_author);
 975                                         }
 976                                 } else {
 977                                         $entry_comments = strip_tags($item["comments"]);
 978
 979                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 980
 981                                         if ($item['author']) {
 982
 983                                                 if (is_array($item['author'])) {
 984
 985                                                         if (!$entry_author) {
 986                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 987                                                         }
 988
 989                                                         if (!$entry_author) {
 990                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 991                                                         }
 992                                                 }
 993
 994                                                 if (!$entry_author) {
 995                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 996                                                 }
 997                                         }
 998                                 }
 999
1000                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
1001
1002                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
1003                                 $entry_guid = mb_substr($entry_guid, 0, 250);
1004
1005                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
1006                                         WHERE guid = '$entry_guid'");
1007
1008                                 $entry_content = db_escape_string($entry_content, false);
1009
1010                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
1011
1012                                 $entry_title = db_escape_string($entry_title);
1013                                 $entry_link = db_escape_string($entry_link);
1014                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
1015                                 $entry_author = mb_substr($entry_author, 0, 250);
1016
1017                                 if ($use_simplepie) {
1018                                         $num_comments = 0; #FIXME#
1019                                 } else {
1020                                         $num_comments = db_escape_string($item["slash"]["comments"]);
1021                                 }
1022
1023                                 if (!$num_comments) $num_comments = 0;
1024
1025                                 if ($debug_enabled) {
1026                                         _debug("update_rss_feed: looking for tags [1]...");
1027                                 }
1028
1029                                 // parse <category> entries into tags
1030
1031                                 $additional_tags = array();
1032
1033                                 if ($use_simplepie) {
1034
1035                                         $additional_tags_src = $item->get_categories();
1036
1037                                         if (is_array($additional_tags_src)) {
1038                                                 foreach ($additional_tags_src as $tobj) {
1039                                                         array_push($additional_tags, $tobj->get_term());
1040                                                 }
1041                                         }
1042
1043                                         if ($debug_enabled) {
1044                                                 _debug("update_rss_feed: category tags:");
1045                                                 print_r($additional_tags);
1046                                         }
1047
1048                                 } else {
1049
1050                                         $t_ctr = $item['category#'];
1051
1052                                         if ($t_ctr == 0) {
1053                                                 $additional_tags = array();
1054                                         } else if ($t_ctr > 0) {
1055                                                 $additional_tags = array($item['category']);
1056
1057                                                 if ($item['category@term']) {
1058                                                         array_push($additional_tags, $item['category@term']);
1059                                                 }
1060
1061                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1062                                                         if ($item["category#$i"]) {
1063                                                                 array_push($additional_tags, $item["category#$i"]);
1064                                                         }
1065
1066                                                         if ($item["category#$i@term"]) {
1067                                                                 array_push($additional_tags, $item["category#$i@term"]);
1068                                                         }
1069                                                 }
1070                                         }
1071
1072                                         // parse <dc:subject> elements
1073
1074                                         $t_ctr = $item['dc']['subject#'];
1075
1076                                         if ($t_ctr > 0) {
1077                                                 array_push($additional_tags, $item['dc']['subject']);
1078
1079                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1080                                                         if ($item['dc']["subject#$i"]) {
1081                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
1082                                                         }
1083                                                 }
1084                                         }
1085                                 }
1086
1087                                 if ($debug_enabled) {
1088                                         _debug("update_rss_feed: looking for tags [2]...");
1089                                 }
1090
1091                                 /* taaaags */
1092                                 // <a href="..." rel="tag">Xorg</a>, //
1093
1094                                 $entry_tags = null;
1095
1096                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?\>([^<]+)<\/a>/i",
1097                                         $entry_content_unescaped, $entry_tags);
1098
1099                                 $entry_tags = $entry_tags[1];
1100
1101                                 $entry_tags = array_merge($entry_tags, $additional_tags);
1102                                 $entry_tags = array_unique($entry_tags);
1103
1104                                 for ($i = 0; $i < count($entry_tags); $i++)
1105                                         $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
1106
1107                                 if ($debug_enabled) {
1108                                         _debug("update_rss_feed: unfiltered tags found:");
1109                                         print_r($entry_tags);
1110                                 }
1111
1112                                 # sanitize content
1113
1114                                 $entry_content = sanitize_article_content($entry_content);
1115                                 $entry_title = sanitize_article_content($entry_title);
1116
1117                                 if ($debug_enabled) {
1118                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1119                                 }
1120
1121                                 db_query($link, "BEGIN");
1122
1123                                 if (db_num_rows($result) == 0) {
1124
1125                                         if ($debug_enabled) {
1126                                                 _debug("update_rss_feed: base guid not found");
1127                                         }
1128
1129                                         // base post entry does not exist, create it
1130
1131                                         $result = db_query($link,
1132                                                 "INSERT INTO ttrss_entries
1133                                                         (title,
1134                                                         guid,
1135                                                         link,
1136                                                         updated,
1137                                                         content,
1138                                                         content_hash,
1139                                                         no_orig_date,
1140                                                         date_updated,
1141                                                         date_entered,
1142                                                         comments,
1143                                                         num_comments,
1144                                                         author)
1145                                                 VALUES
1146                                                         ('$entry_title',
1147                                                         '$entry_guid',
1148                                                         '$entry_link',
1149                                                         '$entry_timestamp_fmt',
1150                                                         '$entry_content',
1151                                                         '$content_hash',
1152                                                         $no_orig_date,
1153                                                         NOW(),
1154                                                         NOW(),
1155                                                         '$entry_comments',
1156                                                         '$num_comments',
1157                                                         '$entry_author')");
1158                                 } else {
1159                                         // we keep encountering the entry in feeds, so we need to
1160                                         // update date_updated column so that we don't get horrible
1161                                         // dupes when the entry gets purged and reinserted again e.g.
1162                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1163
1164                                         $base_entry_id = db_fetch_result($result, 0, "id");
1165
1166                                         db_query($link, "UPDATE ttrss_entries SET date_updated = NOW()
1167                                                 WHERE id = '$base_entry_id'");
1168                                 }
1169
1170                                 // now it should exist, if not - bad luck then
1171
1172                                 $result = db_query($link, "SELECT
1173                                                 id,content_hash,no_orig_date,title,
1174                                                 ".SUBSTRING_FOR_DATE."(date_updated,1,19) as date_updated,
1175                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1176                                                 num_comments
1177                                         FROM
1178                                                 ttrss_entries
1179                                         WHERE guid = '$entry_guid'");
1180
1181                                 $entry_ref_id = 0;
1182                                 $entry_int_id = 0;
1183
1184                                 if (db_num_rows($result) == 1) {
1185
1186                                         if ($debug_enabled) {
1187                                                 _debug("update_rss_feed: base guid found, checking for user record");
1188                                         }
1189
1190                                         // this will be used below in update handler
1191                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1192                                         $orig_title = db_fetch_result($result, 0, "title");
1193                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1194                                         $orig_date_updated = strtotime(db_fetch_result($result,
1195                                                 0, "date_updated"));
1196
1197                                         $ref_id = db_fetch_result($result, 0, "id");
1198                                         $entry_ref_id = $ref_id;
1199
1200                                         // check for user post link to main table
1201
1202                                         // do we allow duplicate posts with same GUID in different feeds?
1203                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1204                                                 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
1205                                         } else {
1206                                                 $dupcheck_qpart = "";
1207                                         }
1208
1209                                         /* Collect article tags here so we could filter by them: */
1210
1211                                         $article_filters = get_article_filters($filters, $entry_title,
1212                                                 $entry_content, $entry_link, $entry_timestamp, $entry_author,
1213                                                 $entry_tags);
1214
1215                                         if ($debug_enabled) {
1216                                                 _debug("update_rss_feed: article filters: ");
1217                                                 if (count($article_filters) != 0) {
1218                                                         print_r($article_filters);
1219                                                 }
1220                                         }
1221
1222                                         if (find_article_filter($article_filters, "filter")) {
1223                                                 db_query($link, "COMMIT"); // close transaction in progress
1224                                                 continue;
1225                                         }
1226
1227                                         $score = calculate_article_score($article_filters);
1228
1229                                         if ($debug_enabled) {
1230                                                 _debug("update_rss_feed: initial score: $score");
1231                                         }
1232
1233                                         $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1234                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1235                                                         $dupcheck_qpart";
1236
1237 //                                      if ($_REQUEST["xdebug"]) print "$query\n";
1238
1239                                         $result = db_query($link, $query);
1240
1241                                         // okay it doesn't exist - create user entry
1242                                         if (db_num_rows($result) == 0) {
1243
1244                                                 if ($debug_enabled) {
1245                                                         _debug("update_rss_feed: user record not found, creating...");
1246                                                 }
1247
1248                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1249                                                         $unread = 'true';
1250                                                         $last_read_qpart = 'NULL';
1251                                                 } else {
1252                                                         $unread = 'false';
1253                                                         $last_read_qpart = 'NOW()';
1254                                                 }
1255
1256                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1257                                                         $marked = 'true';
1258                                                 } else {
1259                                                         $marked = 'false';
1260                                                 }
1261
1262                                                 if (find_article_filter($article_filters, 'publish')) {
1263                                                         $published = 'true';
1264                                                 } else {
1265                                                         $published = 'false';
1266                                                 }
1267
1268                                                 $result = db_query($link,
1269                                                         "INSERT INTO ttrss_user_entries
1270                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1271                                                                         published, score, tag_cache, label_cache)
1272                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1273                                                                 $last_read_qpart, $marked, $published, '$score', '', '')");
1274
1275                                                 if (PUBSUBHUBBUB_HUB && $published == 'true') {
1276                                                         $rss_link = get_self_url_prefix() .
1277                                                                 "/backend.php?op=rss&id=-2&key=" .
1278                                                                 get_feed_access_key($link, -2, false, $owner_uid);
1279
1280                                                         $p = new Publisher(PUBSUBHUBBUB_HUB);
1281
1282                                                         $pubsub_result = $p->publish_update($rss_link);
1283                                                 }
1284
1285                                                 $result = db_query($link,
1286                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1287                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1288                                                                 feed_id = '$feed' LIMIT 1");
1289
1290                                                 if (db_num_rows($result) == 1) {
1291                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1292                                                 }
1293                                         } else {
1294                                                 if ($debug_enabled) {
1295                                                         _debug("update_rss_feed: user record FOUND");
1296                                                 }
1297
1298                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1299                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1300                                         }
1301
1302                                         if ($debug_enabled) {
1303                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1304                                         }
1305
1306                                         $post_needs_update = false;
1307                                         $update_insignificant = false;
1308
1309                                         if ($orig_num_comments != $num_comments) {
1310                                                 $post_needs_update = true;
1311                                                 $update_insignificant = true;
1312                                         }
1313
1314                                         if ($content_hash != $orig_content_hash) {
1315                                                 $post_needs_update = true;
1316                                                 $update_insignificant = false;
1317                                         }
1318
1319                                         if (db_escape_string($orig_title) != $entry_title) {
1320                                                 $post_needs_update = true;
1321                                                 $update_insignificant = false;
1322                                         }
1323
1324                                         // if post needs update, update it and mark all user entries
1325                                         // linking to this post as updated
1326                                         if ($post_needs_update) {
1327
1328                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1329                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1330                                                 }
1331
1332 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1333
1334                                                 db_query($link, "UPDATE ttrss_entries
1335                                                         SET title = '$entry_title', content = '$entry_content',
1336                                                                 content_hash = '$content_hash',
1337                                                                 updated = '$entry_timestamp_fmt',
1338                                                                 num_comments = '$num_comments'
1339                                                         WHERE id = '$ref_id'");
1340
1341                                                 if (!$update_insignificant) {
1342                                                         if ($mark_unread_on_update) {
1343                                                                 db_query($link, "UPDATE ttrss_user_entries
1344                                                                         SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1345                                                         } else if ($update_on_checksum_change) {
1346                                                                 db_query($link, "UPDATE ttrss_user_entries
1347                                                                         SET last_read = null WHERE ref_id = '$ref_id'
1348                                                                                 AND unread = false");
1349                                                         }
1350                                                 }
1351                                         }
1352                                 }
1353
1354                                 db_query($link, "COMMIT");
1355
1356                                 if ($debug_enabled) {
1357                                         _debug("update_rss_feed: assigning labels...");
1358                                 }
1359
1360                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1361                                         $owner_uid);
1362
1363                                 if ($debug_enabled) {
1364                                         _debug("update_rss_feed: looking for enclosures...");
1365                                 }
1366
1367                                 // enclosures
1368
1369                                 $enclosures = array();
1370
1371                                 if ($use_simplepie) {
1372                                         $encs = $item->get_enclosures();
1373
1374                                         if (is_array($encs)) {
1375                                                 foreach ($encs as $e) {
1376                                                         $e_item = array(
1377                                                                 $e->link, $e->type, $e->length);
1378
1379                                                         array_push($enclosures, $e_item);
1380                                                 }
1381                                         }
1382
1383                                 } else {
1384                                         // <enclosure>
1385
1386                                         $e_ctr = $item['enclosure#'];
1387
1388                                         if ($e_ctr > 0) {
1389                                                 $e_item = array($item['enclosure@url'],
1390                                                         $item['enclosure@type'],
1391                                                         $item['enclosure@length']);
1392
1393                                                 array_push($enclosures, $e_item);
1394
1395                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1396
1397                                                         if ($item["enclosure#$i@url"]) {
1398                                                                 $e_item = array($item["enclosure#$i@url"],
1399                                                                         $item["enclosure#$i@type"],
1400                                                                         $item["enclosure#$i@length"]);
1401                                                                 array_push($enclosures, $e_item);
1402                                                         }
1403                                                 }
1404                                         }
1405
1406                                         // <media:content>
1407                                         // can there be many of those? yes -fox
1408
1409                                         $m_ctr = $item['media']['content#'];
1410
1411                                         if ($m_ctr > 0) {
1412                                                 $e_item = array($item['media']['content@url'],
1413                                                         $item['media']['content@medium'],
1414                                                         $item['media']['content@length']);
1415
1416                                                 array_push($enclosures, $e_item);
1417
1418                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1419
1420                                                         if ($item["media"]["content#$i@url"]) {
1421                                                                 $e_item = array($item["media"]["content#$i@url"],
1422                                                                         $item["media"]["content#$i@medium"],
1423                                                                         $item["media"]["content#$i@length"]);
1424                                                                 array_push($enclosures, $e_item);
1425                                                         }
1426                                                 }
1427
1428                                         }
1429                                 }
1430
1431
1432                                 if ($debug_enabled) {
1433                                         _debug("update_rss_feed: article enclosures:");
1434                                         print_r($enclosures);
1435                                 }
1436
1437                                 db_query($link, "BEGIN");
1438
1439                                 foreach ($enclosures as $enc) {
1440                                         $enc_url = db_escape_string($enc[0]);
1441                                         $enc_type = db_escape_string($enc[1]);
1442                                         $enc_dur = db_escape_string($enc[2]);
1443
1444                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1445                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1446
1447                                         if (db_num_rows($result) == 0) {
1448                                                 db_query($link, "INSERT INTO ttrss_enclosures
1449                                                         (content_url, content_type, title, duration, post_id) VALUES
1450                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1451                                         }
1452                                 }
1453
1454                                 db_query($link, "COMMIT");
1455
1456                                 // check for manual tags (we have to do it here since they're loaded from filters)
1457
1458                                 foreach ($article_filters as $f) {
1459                                         if ($f[0] == "tag") {
1460
1461                                                 $manual_tags = trim_array(explode(",", $f[1]));
1462
1463                                                 foreach ($manual_tags as $tag) {
1464                                                         if (tag_is_valid($tag)) {
1465                                                                 array_push($entry_tags, $tag);
1466                                                         }
1467                                                 }
1468                                         }
1469                                 }
1470
1471                                 // Skip boring tags
1472
1473                                 $boring_tags = trim_array(explode(",", mb_strtolower(get_pref($link,
1474                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1475
1476                                 $filtered_tags = array();
1477                                 $tags_to_cache = array();
1478
1479                                 if ($entry_tags && is_array($entry_tags)) {
1480                                         foreach ($entry_tags as $tag) {
1481                                                 if (array_search($tag, $boring_tags) === false) {
1482                                                         array_push($filtered_tags, $tag);
1483                                                 }
1484                                         }
1485                                 }
1486
1487                                 $filtered_tags = array_unique($filtered_tags);
1488
1489                                 if ($debug_enabled) {
1490                                         _debug("update_rss_feed: filtered article tags:");
1491                                         print_r($filtered_tags);
1492                                 }
1493
1494                                 // Save article tags in the database
1495
1496                                 if (count($filtered_tags) > 0) {
1497
1498                                         db_query($link, "BEGIN");
1499
1500                                         foreach ($filtered_tags as $tag) {
1501
1502                                                 $tag = sanitize_tag($tag);
1503                                                 $tag = db_escape_string($tag);
1504
1505                                                 if (!tag_is_valid($tag)) continue;
1506
1507                                                 $result = db_query($link, "SELECT id FROM ttrss_tags
1508                                                         WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1509                                                         owner_uid = '$owner_uid' LIMIT 1");
1510
1511                                                         if ($result && db_num_rows($result) == 0) {
1512
1513                                                                 db_query($link, "INSERT INTO ttrss_tags
1514                                                                         (owner_uid,tag_name,post_int_id)
1515                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1516                                                         }
1517
1518                                                 array_push($tags_to_cache, $tag);
1519                                         }
1520
1521                                         /* update the cache */
1522
1523                                         $tags_to_cache = array_unique($tags_to_cache);
1524
1525                                         $tags_str = db_escape_string(join(",", $tags_to_cache));
1526
1527                                         db_query($link, "UPDATE ttrss_user_entries
1528                                                 SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id'
1529                                                 AND owner_uid = $owner_uid");
1530
1531                                         db_query($link, "COMMIT");
1532                                 }
1533
1534                                 if ($debug_enabled) {
1535                                         _debug("update_rss_feed: article processed");
1536                                 }
1537                         }
1538
1539                         if (!$last_updated) {
1540                                 if ($debug_enabled) {
1541                                         _debug("update_rss_feed: new feed, catching it up...");
1542                                 }
1543                                 catchup_feed($link, $feed, false, $owner_uid);
1544                         }
1545
1546                         if ($debug_enabled) {
1547                                 _debug("purging feed...");
1548                         }
1549
1550                         purge_feed($link, $feed, 0, $debug_enabled);
1551
1552                         db_query($link, "UPDATE ttrss_feeds
1553                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1554
1555 //                      db_query($link, "COMMIT");
1556
1557                 } else {
1558
1559                         if ($use_simplepie) {
1560                                 $error_msg = mb_substr($rss->error(), 0, 250);
1561                         } else {
1562                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1563                         }
1564
1565                         if ($debug_enabled) {
1566                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1567                         }
1568
1569                         $error_msg = db_escape_string($error_msg);
1570
1571                         db_query($link,
1572                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1573                                         last_updated = NOW() WHERE id = '$feed'");
1574                 }
1575
1576                 if ($use_simplepie) {
1577                         unset($rss);
1578                 }
1579
1580                 if ($debug_enabled) {
1581                         _debug("update_rss_feed: done");
1582                 }
1583
1584         }
1585
1586         function print_select($id, $default, $values, $attributes = "") {
1587                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1588                 foreach ($values as $v) {
1589                         if ($v == $default)
1590                                 $sel = "selected=\"1\"";
1591                          else
1592                                 $sel = "";
1593
1594                         print "<option value=\"$v\" $sel>$v</option>";
1595                 }
1596                 print "</select>";
1597         }
1598
1599         function print_select_hash($id, $default, $values, $attributes = "") {
1600                 print "<select name=\"$id\" id='$id' $attributes>";
1601                 foreach (array_keys($values) as $v) {
1602                         if ($v == $default)
1603                                 $sel = 'selected="selected"';
1604                          else
1605                                 $sel = "";
1606
1607                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1608                 }
1609
1610                 print "</select>";
1611         }
1612
1613         function get_article_filters($filters, $title, $content, $link, $timestamp, $author, $tags) {
1614                 $matches = array();
1615
1616                 if ($filters["title"]) {
1617                         foreach ($filters["title"] as $filter) {
1618                                 $reg_exp = $filter["reg_exp"];
1619                                 $inverse = $filter["inverse"];
1620                                 if ((!$inverse && @preg_match("/$reg_exp/i", $title)) ||
1621                                                 ($inverse && !@preg_match("/$reg_exp/i", $title))) {
1622
1623                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1624                                 }
1625                         }
1626                 }
1627
1628                 if ($filters["content"]) {
1629                         foreach ($filters["content"] as $filter) {
1630                                 $reg_exp = $filter["reg_exp"];
1631                                 $inverse = $filter["inverse"];
1632
1633                                 if ((!$inverse && @preg_match("/$reg_exp/i", $content)) ||
1634                                                 ($inverse && !@preg_match("/$reg_exp/i", $content))) {
1635
1636                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1637                                 }
1638                         }
1639                 }
1640
1641                 if ($filters["both"]) {
1642                         foreach ($filters["both"] as $filter) {
1643                                 $reg_exp = $filter["reg_exp"];
1644                                 $inverse = $filter["inverse"];
1645
1646                                 if ($inverse) {
1647                                         if (!@preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1648                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1649                                         }
1650                                 } else {
1651                                         if (@preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1652                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1653                                         }
1654                                 }
1655                         }
1656                 }
1657
1658                 if ($filters["link"]) {
1659                         $reg_exp = $filter["reg_exp"];
1660                         foreach ($filters["link"] as $filter) {
1661                                 $reg_exp = $filter["reg_exp"];
1662                                 $inverse = $filter["inverse"];
1663
1664                                 if ((!$inverse && @preg_match("/$reg_exp/i", $link)) ||
1665                                                 ($inverse && !@preg_match("/$reg_exp/i", $link))) {
1666
1667                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1668                                 }
1669                         }
1670                 }
1671
1672                 if ($filters["date"]) {
1673                         $reg_exp = $filter["reg_exp"];
1674                         foreach ($filters["date"] as $filter) {
1675                                 $date_modifier = $filter["filter_param"];
1676                                 $inverse = $filter["inverse"];
1677                                 $check_timestamp = strtotime($filter["reg_exp"]);
1678
1679                                 # no-op when timestamp doesn't parse to prevent misfires
1680
1681                                 if ($check_timestamp) {
1682                                         $match_ok = false;
1683
1684                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1685                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1686                                                         $match_ok = true;
1687                                         }
1688
1689                                         if ($inverse) $match_ok = !$match_ok;
1690
1691                                         if ($match_ok) {
1692                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1693                                         }
1694                                 }
1695                         }
1696                 }
1697
1698                 if ($filters["author"]) {
1699                         foreach ($filters["author"] as $filter) {
1700                                 $reg_exp = $filter["reg_exp"];
1701                                 $inverse = $filter["inverse"];
1702                                 if ((!$inverse && @preg_match("/$reg_exp/i", $author)) ||
1703                                                 ($inverse && !@preg_match("/$reg_exp/i", $author))) {
1704
1705                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1706                                 }
1707                         }
1708                 }
1709
1710                 if ($filters["tag"]) {
1711
1712                         $tag_string = join(",", $tags);
1713
1714                         foreach ($filters["tag"] as $filter) {
1715                                 $reg_exp = $filter["reg_exp"];
1716                                 $inverse = $filter["inverse"];
1717
1718                                 if ((!$inverse && @preg_match("/$reg_exp/i", $tag_string)) ||
1719                                                 ($inverse && !@preg_match("/$reg_exp/i", $tag_string))) {
1720
1721                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1722                                 }
1723                         }
1724                 }
1725
1726
1727                 return $matches;
1728         }
1729
1730         function find_article_filter($filters, $filter_name) {
1731                 foreach ($filters as $f) {
1732                         if ($f[0] == $filter_name) {
1733                                 return $f;
1734                         };
1735                 }
1736                 return false;
1737         }
1738
1739         function calculate_article_score($filters) {
1740                 $score = 0;
1741
1742                 foreach ($filters as $f) {
1743                         if ($f[0] == "score") {
1744                                 $score += $f[1];
1745                         };
1746                 }
1747                 return $score;
1748         }
1749
1750         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1751                 foreach ($filters as $f) {
1752                         if ($f[0] == "label") {
1753                                 label_add_article($link, $id, $f[1], $owner_uid);
1754                         };
1755                 }
1756         }
1757
1758         function getmicrotime() {
1759                 list($usec, $sec) = explode(" ",microtime());
1760                 return ((float)$usec + (float)$sec);
1761         }
1762
1763         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1764                 foreach ($values as $v) {
1765
1766                         if ($v == $default)
1767                                 $sel = "checked";
1768                          else
1769                                 $sel = "";
1770
1771                         if ($v == $true_is) {
1772                                 $sel .= " value=\"1\"";
1773                         } else {
1774                                 $sel .= " value=\"0\"";
1775                         }
1776
1777                         print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
1778                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1779
1780                 }
1781         }
1782
1783         function initialize_user_prefs($link, $uid, $profile = false) {
1784
1785                 $uid = db_escape_string($uid);
1786
1787                 if (!$profile) {
1788                         $profile = "NULL";
1789                         $profile_qpart = "AND profile IS NULL";
1790                 } else {
1791                         $profile_qpart = "AND profile = '$profile'";
1792                 }
1793
1794                 if (get_schema_version($link) < 63) $profile_qpart = "";
1795
1796                 db_query($link, "BEGIN");
1797
1798                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1799
1800                 $u_result = db_query($link, "SELECT pref_name
1801                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
1802
1803                 $active_prefs = array();
1804
1805                 while ($line = db_fetch_assoc($u_result)) {
1806                         array_push($active_prefs, $line["pref_name"]);
1807                 }
1808
1809                 while ($line = db_fetch_assoc($result)) {
1810                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1811 //                              print "adding " . $line["pref_name"] . "<br>";
1812
1813                                 if (get_schema_version($link) < 63) {
1814                                         db_query($link, "INSERT INTO ttrss_user_prefs
1815                                                 (owner_uid,pref_name,value) VALUES
1816                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1817
1818                                 } else {
1819                                         db_query($link, "INSERT INTO ttrss_user_prefs
1820                                                 (owner_uid,pref_name,value, profile) VALUES
1821                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
1822                                 }
1823
1824                         }
1825                 }
1826
1827                 db_query($link, "COMMIT");
1828
1829         }
1830
1831         function lookup_user_id($link, $user) {
1832
1833                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE login = '$user'");
1834
1835                 if (db_num_rows($result) == 1) {
1836                         return db_fetch_result($result, 0, "id");
1837                 } else {
1838                         return false;
1839                 }
1840         }
1841
1842 /*      function http_authenticate_user($link) {
1843                 if (!$_SERVER["PHP_AUTH_USER"]) {
1844
1845                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1846                         header('HTTP/1.0 401 Unauthorized');
1847                         exit;
1848
1849                 } else {
1850                         $auth_result = authenticate_user($link,
1851                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1852
1853                         if (!$auth_result) {
1854                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1855                                 header('HTTP/1.0 401 Unauthorized');
1856                                 exit;
1857                         }
1858                 }
1859
1860                 return true;
1861         } */
1862
1863         function get_ssl_certificate_id() {
1864                 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
1865                         return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
1866                                 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
1867                                 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
1868                                 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
1869                 }
1870                 return "";
1871         }
1872
1873         function get_login_by_ssl_certificate($link) {
1874
1875                 $cert_serial = db_escape_string(get_ssl_certificate_id());
1876
1877                 if ($cert_serial) {
1878                         $result = db_query($link, "SELECT login FROM ttrss_user_prefs, ttrss_users
1879                                 WHERE pref_name = 'SSL_CERT_SERIAL' AND value = '$cert_serial' AND
1880                                 owner_uid = ttrss_users.id");
1881
1882                         if (db_num_rows($result) != 0) {
1883                                 return db_escape_string(db_fetch_result($result, 0, "login"));
1884                         }
1885                 }
1886
1887                 return "";
1888         }
1889
1890         function get_remote_user($link) {
1891
1892                 if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH) {
1893                         return db_escape_string($_SERVER["REMOTE_USER"]);
1894                 }
1895
1896                 return db_escape_string(get_login_by_ssl_certificate($link));
1897         }
1898
1899         function get_remote_fakepass($link) {
1900                 if (get_remote_user($link))
1901                         return "******";
1902                 else
1903                         return "";
1904         }
1905
1906         function authenticate_user($link, $login, $password, $force_auth = false) {
1907
1908                 if (!SINGLE_USER_MODE) {
1909
1910                         $pwd_hash1 = encrypt_password($password);
1911                         $pwd_hash2 = encrypt_password($password, $login);
1912                         $login = db_escape_string($login);
1913
1914                         $remote_user = get_remote_user($link);
1915
1916                         if ($remote_user && $remote_user == $login && $login != "admin") {
1917
1918                                 $login = $remote_user;
1919
1920                                 $query = "SELECT id,login,access_level,pwd_hash
1921                     FROM ttrss_users WHERE
1922                                         login = '$login'";
1923
1924                                 if (defined('AUTO_CREATE_USER') && AUTO_CREATE_USER
1925                                                 && $_SERVER["REMOTE_USER"]) {
1926                                         $result = db_query($link, $query);
1927
1928                                         // First login ?
1929                                         if (db_num_rows($result) == 0) {
1930                                                 $query2 = "INSERT INTO ttrss_users
1931                                                                 (login,access_level,last_login,created)
1932                                                                 VALUES ('$login', 0, null, NOW())";
1933                                                 db_query($link, $query2);
1934                                         }
1935                                 }
1936
1937                         } else {
1938                                 $query = "SELECT id,login,access_level,pwd_hash
1939                     FROM ttrss_users WHERE
1940                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1941                                                 pwd_hash = '$pwd_hash2')";
1942                         }
1943
1944                         $result = db_query($link, $query);
1945
1946                         if (db_num_rows($result) == 1) {
1947                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1948                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1949                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1950
1951                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1952                                         $_SESSION["uid"]);
1953
1954
1955                                 // LemonLDAP can send user informations via HTTP HEADER
1956                                 if (defined('AUTO_CREATE_USER') && AUTO_CREATE_USER){
1957                                         // update user name
1958                                         $fullname = $_SERVER['HTTP_USER_NAME'] ? $_SERVER['HTTP_USER_NAME'] : $_SERVER['AUTHENTICATE_CN'];
1959                                         if ($fullname){
1960                                                 $fullname = db_escape_string($fullname);
1961                                                 db_query($link, "UPDATE ttrss_users SET full_name = '$fullname' WHERE id = " .
1962                                                         $_SESSION["uid"]);
1963                                         }
1964                                         // update user mail
1965                                         $email = $_SERVER['HTTP_USER_MAIL'] ? $_SERVER['HTTP_USER_MAIL'] : $_SERVER['AUTHENTICATE_MAIL'];
1966                                         if ($email){
1967                                                 $email = db_escape_string($email);
1968                                                 db_query($link, "UPDATE ttrss_users SET email = '$email' WHERE id = " .
1969                                                         $_SESSION["uid"]);
1970                                         }
1971                                 }
1972
1973                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1974                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1975
1976                                 $_SESSION["last_version_check"] = time();
1977
1978                                 initialize_user_prefs($link, $_SESSION["uid"]);
1979
1980                                 return true;
1981                         }
1982
1983                         return false;
1984
1985                 } else {
1986
1987                         $_SESSION["uid"] = 1;
1988                         $_SESSION["name"] = "admin";
1989
1990                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1991
1992                         initialize_user_prefs($link, $_SESSION["uid"]);
1993
1994                         return true;
1995                 }
1996         }
1997
1998         function make_password($length = 8) {
1999
2000                 $password = "";
2001                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
2002
2003         $i = 0;
2004
2005                 while ($i < $length) {
2006                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
2007
2008                         if (!strstr($password, $char)) {
2009                                 $password .= $char;
2010                                 $i++;
2011                         }
2012                 }
2013                 return $password;
2014         }
2015
2016         // this is called after user is created to initialize default feeds, labels
2017         // or whatever else
2018
2019         // user preferences are checked on every login, not here
2020
2021         function initialize_user($link, $uid) {
2022
2023                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
2024                         values ('$uid', 'Tiny Tiny RSS: New Releases',
2025                         'http://tt-rss.org/releases.rss')");
2026
2027                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
2028                         values ('$uid', 'Tiny Tiny RSS: Forum',
2029                                 'http://tt-rss.org/forum/rss.php')");
2030         }
2031
2032         function logout_user() {
2033                 session_destroy();
2034                 if (isset($_COOKIE[session_name()])) {
2035                    setcookie(session_name(), '', time()-42000, '/');
2036                 }
2037         }
2038
2039         function get_script_urlpath() {
2040                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
2041         }
2042
2043         function validate_session($link) {
2044                 if (SINGLE_USER_MODE) return true;
2045
2046                 $check_ip = $_SESSION['ip_address'];
2047
2048                 switch (SESSION_CHECK_ADDRESS) {
2049                 case 0:
2050                         $check_ip = '';
2051                         break;
2052                 case 1:
2053                         $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1);
2054                         break;
2055                 case 2:
2056                         $check_ip = substr($check_ip, 0, strrpos($check_ip, '.'));
2057                         $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1);
2058                         break;
2059                 };
2060
2061                 if ($check_ip && strpos($_SERVER['REMOTE_ADDR'], $check_ip) !== 0) {
2062                         $_SESSION["login_error_msg"] =
2063                                 __("Session failed to validate (incorrect IP)");
2064                         return false;
2065                 }
2066
2067                 if ($_SESSION["ref_schema_version"] != get_schema_version($link, true))
2068                         return false;
2069
2070                 if ($_SESSION["uid"]) {
2071
2072                         $result = db_query($link,
2073                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
2074
2075                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
2076
2077                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
2078                                 return false;
2079                         }
2080                 }
2081
2082 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
2083
2084                         //print_r($_SESSION);
2085
2086                         if (time() > $_SESSION["cookie_lifetime"]) {
2087                                 return false;
2088                         }
2089                 } */
2090
2091                 return true;
2092         }
2093
2094         function login_sequence($link, $mobile = false) {
2095                 if (!SINGLE_USER_MODE) {
2096
2097                         $login_action = $_POST["login_action"];
2098
2099                         # try to authenticate user if called from login form
2100                         if ($login_action == "do_login") {
2101                                 $login = $_POST["login"];
2102                                 $password = $_POST["password"];
2103                                 $remember_me = $_POST["remember_me"];
2104
2105                                 if (authenticate_user($link, $login, $password)) {
2106                                         $_POST["password"] = "";
2107
2108                                         $_SESSION["language"] = $_POST["language"];
2109                                         $_SESSION["ref_schema_version"] = get_schema_version($link, true);
2110                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
2111
2112                                         if ($_POST["profile"]) {
2113
2114                                                 $profile = db_escape_string($_POST["profile"]);
2115
2116                                                 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
2117                                                         WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
2118
2119                                                 if (db_num_rows($result) != 0) {
2120                                                         $_SESSION["profile"] = $profile;
2121                                                         $_SESSION["prefs_cache"] = array();
2122                                                 }
2123                                         }
2124
2125                                         if ($_REQUEST['return']) {
2126                                                 header("Location: " . $_REQUEST['return']);
2127                                         } else {
2128                                                 header("Location: " . $_SERVER["REQUEST_URI"]);
2129                                         }
2130
2131                                         exit;
2132
2133                                         return;
2134                                 } else {
2135                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
2136                                 }
2137                         }
2138
2139                         if (!$_SESSION["uid"] || !validate_session($link)) {
2140
2141                                 if (get_remote_user($link) && AUTO_LOGIN) {
2142                                     authenticate_user($link, get_remote_user($link), null);
2143                                     $_SESSION["ref_schema_version"] = get_schema_version($link, true);
2144                                 } else {
2145                                     render_login_form($link, $mobile);
2146                                     //header("Location: login.php");
2147                                     exit;
2148                                 }
2149                         } else {
2150                                 /* bump login timestamp */
2151                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
2152                                         $_SESSION["uid"]);
2153
2154                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
2155                                         setcookie("ttrss_lang", $_SESSION["language"],
2156                                                 time() + SESSION_COOKIE_LIFETIME);
2157                                 }
2158
2159                                 // try to remove possible duplicates from feed counter cache
2160 //                              ccache_cleanup($link, $_SESSION["uid"]);
2161                         }
2162
2163                 } else {
2164                         return authenticate_user($link, "admin", null);
2165                 }
2166         }
2167
2168         function truncate_string($str, $max_len, $suffix = '&hellip;') {
2169                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
2170                         return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
2171                 } else {
2172                         return $str;
2173                 }
2174         }
2175
2176         function theme_image($link, $filename) {
2177                 if ($link) {
2178                         $theme_path = get_user_theme_path($link);
2179
2180                         if ($theme_path && is_file($theme_path.$filename)) {
2181                                 return $theme_path.$filename;
2182                         } else {
2183                                 return $filename;
2184                         }
2185                 } else {
2186                         return $filename;
2187                 }
2188         }
2189
2190         function get_user_theme($link) {
2191
2192                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2193                         $theme_name = get_pref($link, "_THEME_ID");
2194                         if (is_dir("themes/$theme_name")) {
2195                                 return $theme_name;
2196                         } else {
2197                                 return '';
2198                         }
2199                 } else {
2200                         return '';
2201                 }
2202
2203         }
2204
2205         function get_user_theme_path($link) {
2206                 $theme_path = '';
2207
2208                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2209                         $theme_name = get_pref($link, "_THEME_ID");
2210
2211                         if ($theme_name && is_dir("themes/$theme_name")) {
2212                                 $theme_path = "themes/$theme_name/";
2213                         } else {
2214                                 $theme_name = '';
2215                         }
2216                 } else {
2217                         $theme_path = '';
2218                 }
2219
2220                 if ($theme_path) {
2221                         if (is_file("$theme_path/theme.ini")) {
2222                                 $ini = parse_ini_file("$theme_path/theme.ini", true);
2223                                 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED) {
2224                                         return $theme_path;
2225                                 }
2226                         }
2227                 }
2228                 return '';
2229         }
2230
2231         function get_user_theme_options($link) {
2232                 $t = get_user_theme_path($link);
2233
2234                 if ($t) {
2235                         if (is_file("$t/theme.ini")) {
2236                                 $ini = parse_ini_file("$t/theme.ini", true);
2237                                 if ($ini['theme']['version']) {
2238                                         return $ini['theme']['options'];
2239                                 }
2240                         }
2241                 }
2242                 return '';
2243         }
2244
2245         function print_theme_includes($link) {
2246
2247                 $t = get_user_theme_path($link);
2248                 $time = time();
2249
2250                 if ($t) {
2251                         print "<link rel=\"stylesheet\" type=\"text/css\"
2252                                 href=\"$t/theme.css?$time \">";
2253                         if (file_exists("$t/theme.js")) {
2254                                 print "<script type=\"text/javascript\" src=\"$t/theme.js?$time\">
2255                                         </script>";
2256                         }
2257                 }
2258         }
2259
2260         function get_all_themes() {
2261                 $themes = glob("themes/*");
2262
2263                 asort($themes);
2264
2265                 $rv = array();
2266
2267                 foreach ($themes as $t) {
2268                         if (is_file("$t/theme.ini")) {
2269                                 $ini = parse_ini_file("$t/theme.ini", true);
2270                                 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED &&
2271                                                         !$ini['theme']['disabled']) {
2272                                         $entry = array();
2273                                         $entry["path"] = $t;
2274                                         $entry["base"] = basename($t);
2275                                         $entry["name"] = $ini['theme']['name'];
2276                                         $entry["version"] = $ini['theme']['version'];
2277                                         $entry["author"] = $ini['theme']['author'];
2278                                         $entry["options"] = $ini['theme']['options'];
2279                                         array_push($rv, $entry);
2280                                 }
2281                         }
2282                 }
2283
2284                 return $rv;
2285         }
2286
2287         function convert_timestamp($timestamp, $source_tz, $dest_tz) {
2288
2289                 try {
2290                         $source_tz = new DateTimeZone($source_tz);
2291                 } catch (Exception $e) {
2292                         $source_tz = new DateTimeZone('UTC');
2293                 }
2294
2295                 try {
2296                         $dest_tz = new DateTimeZone($dest_tz);
2297                 } catch (Exception $e) {
2298                         $dest_tz = new DateTimeZone('UTC');
2299                 }
2300
2301                 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
2302                 return $dt->format('U') + $dest_tz->getOffset($dt);
2303         }
2304
2305         function make_local_datetime($link, $timestamp, $long, $owner_uid = false,
2306                                         $no_smart_dt = false) {
2307
2308                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2309                 if (!$timestamp) $timestamp = '1970-01-01 0:00';
2310
2311                 global $utc_tz;
2312                 global $tz_offset;
2313
2314                 # We store date in UTC internally
2315                 $dt = new DateTime($timestamp, $utc_tz);
2316
2317                 if ($tz_offset == -1) {
2318
2319                         $user_tz_string = get_pref($link, 'USER_TIMEZONE', $owner_uid);
2320
2321                         try {
2322                                 $user_tz = new DateTimeZone($user_tz_string);
2323                         } catch (Exception $e) {
2324                                 $user_tz = $utc_tz;
2325                         }
2326
2327                         $tz_offset = $user_tz->getOffset($dt);
2328                 }
2329
2330                 $user_timestamp = $dt->format('U') + $tz_offset;
2331
2332                 if (!$no_smart_dt) {
2333                         return smart_date_time($link, $user_timestamp,
2334                                 $tz_offset, $owner_uid);
2335                 } else {
2336                         if ($long)
2337                                 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2338                         else
2339                                 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2340
2341                         return date($format, $user_timestamp);
2342                 }
2343         }
2344
2345         function smart_date_time($link, $timestamp, $tz_offset = 0, $owner_uid = false) {
2346                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2347
2348                 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
2349                         return date("G:i", $timestamp);
2350                 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
2351                         $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2352                         return date($format, $timestamp);
2353                 } else {
2354                         $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2355                         return date($format, $timestamp);
2356                 }
2357         }
2358
2359         function smart_date($timestamp) {
2360                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2361                         return "Today";
2362                 } else if (date("Y", $timestamp) == date("Y")) {
2363                         return date("D m", $timestamp);
2364                 } else {
2365                         return date("Y/m/d", $timestamp);
2366                 }
2367         }
2368
2369         function sql_bool_to_string($s) {
2370                 if ($s == "t" || $s == "1") {
2371                         return "true";
2372                 } else {
2373                         return "false";
2374                 }
2375         }
2376
2377         function sql_bool_to_bool($s) {
2378                 if ($s == "t" || $s == "1" || $s == "true") {
2379                         return true;
2380                 } else {
2381                         return false;
2382                 }
2383         }
2384
2385         function bool_to_sql_bool($s) {
2386                 if ($s) {
2387                         return "true";
2388                 } else {
2389                         return "false";
2390                 }
2391         }
2392
2393         function toggleEvenOdd($a) {
2394                 if ($a == "even")
2395                         return "odd";
2396                 else
2397                         return "even";
2398         }
2399
2400         // Session caching removed due to causing wrong redirects to upgrade
2401         // script when get_schema_version() is called on an obsolete session
2402         // created on a previous schema version.
2403         function get_schema_version($link, $nocache = false) {
2404                 global $schema_version;
2405
2406                 if (!$schema_version) {
2407                         $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2408                         $version = db_fetch_result($result, 0, "schema_version");
2409                         $schema_version = $version;
2410                         return $version;
2411                 } else {
2412                         return $schema_version;
2413                 }
2414         }
2415
2416         function sanity_check($link) {
2417
2418                 global $ERRORS;
2419
2420                 $error_code = 0;
2421                 $schema_version = get_schema_version($link, true);
2422
2423                 if ($schema_version != SCHEMA_VERSION) {
2424                         $error_code = 5;
2425                 }
2426
2427                 if (DB_TYPE == "mysql") {
2428                         $result = db_query($link, "SELECT true", false);
2429                         if (db_num_rows($result) != 1) {
2430                                 $error_code = 10;
2431                         }
2432                 }
2433
2434                 if (db_escape_string("testTEST") != "testTEST") {
2435                         $error_code = 12;
2436                 }
2437
2438                 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
2439         }
2440
2441         function file_is_locked($filename) {
2442                 if (function_exists('flock')) {
2443                         $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
2444                         if ($fp) {
2445                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2446                                         flock($fp, LOCK_UN);
2447                                         fclose($fp);
2448                                         return false;
2449                                 }
2450                                 fclose($fp);
2451                                 return true;
2452                         } else {
2453                                 return false;
2454                         }
2455                 }
2456                 return true; // consider the file always locked and skip the test
2457         }
2458
2459         function make_lockfile($filename) {
2460                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2461
2462                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2463                         if (function_exists('posix_getpid')) {
2464                                 fwrite($fp, posix_getpid() . "\n");
2465                         }
2466                         return $fp;
2467                 } else {
2468                         return false;
2469                 }
2470         }
2471
2472         function make_stampfile($filename) {
2473                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2474
2475                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2476                         fwrite($fp, time() . "\n");
2477                         flock($fp, LOCK_UN);
2478                         fclose($fp);
2479                         return true;
2480                 } else {
2481                         return false;
2482                 }
2483         }
2484
2485         function sql_random_function() {
2486                 if (DB_TYPE == "mysql") {
2487                         return "RAND()";
2488                 } else {
2489                         return "RANDOM()";
2490                 }
2491         }
2492
2493         function catchup_feed($link, $feed, $cat_view, $owner_uid = false) {
2494
2495                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2496
2497                         //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2498
2499                         if (is_numeric($feed)) {
2500                                 if ($cat_view) {
2501
2502                                         if ($feed >= 0) {
2503
2504                                                 if ($feed > 0) {
2505                                                         $cat_qpart = "cat_id = '$feed'";
2506                                                 } else {
2507                                                         $cat_qpart = "cat_id IS NULL";
2508                                                 }
2509
2510                                                 $tmp_result = db_query($link, "SELECT id
2511                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2512
2513                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2514
2515                                                         $tmp_feed = $tmp_line["id"];
2516
2517                                                         db_query($link, "UPDATE ttrss_user_entries
2518                                                                 SET unread = false,last_read = NOW()
2519                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2520                                                 }
2521                                         } else if ($feed == -2) {
2522
2523                                                 db_query($link, "UPDATE ttrss_user_entries
2524                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
2525                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
2526                                                         AND unread = true AND owner_uid = $owner_uid");
2527                                         }
2528
2529                                 } else if ($feed > 0) {
2530
2531                                         db_query($link, "UPDATE ttrss_user_entries
2532                                                         SET unread = false,last_read = NOW()
2533                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2534
2535                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2536
2537                                         if ($feed == -1) {
2538                                                 db_query($link, "UPDATE ttrss_user_entries
2539                                                         SET unread = false,last_read = NOW()
2540                                                         WHERE marked = true AND owner_uid = $owner_uid");
2541                                         }
2542
2543                                         if ($feed == -2) {
2544                                                 db_query($link, "UPDATE ttrss_user_entries
2545                                                         SET unread = false,last_read = NOW()
2546                                                         WHERE published = true AND owner_uid = $owner_uid");
2547                                         }
2548
2549                                         if ($feed == -3) {
2550
2551                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2552
2553                                                 if (DB_TYPE == "pgsql") {
2554                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2555                                                 } else {
2556                                                         $match_part = "updated > DATE_SUB(NOW(),
2557                                                                 INTERVAL $intl HOUR) ";
2558                                                 }
2559
2560                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2561                                                         ttrss_user_entries WHERE $match_part AND
2562                                                         unread = true AND
2563                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2564                                                         owner_uid = $owner_uid");
2565
2566                                                 $affected_ids = array();
2567
2568                                                 while ($line = db_fetch_assoc($result)) {
2569                                                         array_push($affected_ids, $line["id"]);
2570                                                 }
2571
2572                                                 catchupArticlesById($link, $affected_ids, 0);
2573                                         }
2574
2575                                         if ($feed == -4) {
2576                                                 db_query($link, "UPDATE ttrss_user_entries
2577                                                         SET unread = false,last_read = NOW()
2578                                                         WHERE owner_uid = $owner_uid");
2579                                         }
2580
2581                                 } else if ($feed < -10) { // label
2582
2583                                         $label_id = -$feed - 11;
2584
2585                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2586                                                 SET unread = false, last_read = NOW()
2587                                                         WHERE label_id = '$label_id' AND unread = true
2588                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2589
2590                                 }
2591
2592                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2593
2594                         } else { // tag
2595                                 db_query($link, "BEGIN");
2596
2597                                 $tag_name = db_escape_string($feed);
2598
2599                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2600                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2601
2602                                 while ($line = db_fetch_assoc($result)) {
2603                                         db_query($link, "UPDATE ttrss_user_entries SET
2604                                                 unread = false, last_read = NOW()
2605                                                 WHERE int_id = " . $line["post_int_id"]);
2606                                 }
2607                                 db_query($link, "COMMIT");
2608                         }
2609         }
2610
2611         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2612
2613                 if (!$omode) $omode = "flc";
2614
2615                 $data = getGlobalCounters($link);
2616
2617                 $data = array_merge($data, getVirtCounters($link));
2618
2619                 if (strchr($omode, "l")) $data = array_merge($data, getLabelCounters($link));
2620                 if (strchr($omode, "f")) $data = array_merge($data, getFeedCounters($link, $active_feed));
2621                 if (strchr($omode, "t")) $data = array_merge($data, getTagCounters($link));
2622                 if (strchr($omode, "c")) $data = array_merge($data, getCategoryCounters($link));
2623
2624                 return $data;
2625         }
2626
2627         function getCategoryCounters($link) {
2628                 $ret_arr = array();
2629
2630                 /* Labels category */
2631
2632                 $cv = array("id" => -2, "kind" => "cat",
2633                         "counter" => getCategoryUnread($link, -2));
2634
2635                 array_push($ret_arr, $cv);
2636
2637                 $age_qpart = getMaxAgeSubquery();
2638
2639                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2640                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2641                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2642                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2643
2644                 while ($line = db_fetch_assoc($result)) {
2645                         $line["cat_id"] = (int) $line["cat_id"];
2646
2647                         $cv = array("id" => $line["cat_id"], "kind" => "cat",
2648                                 "counter" => $line["unread"]);
2649
2650                         array_push($ret_arr, $cv);
2651                 }
2652
2653                 /* Special case: NULL category doesn't actually exist in the DB */
2654
2655                 $cv = array("id" => 0, "kind" => "cat",
2656                         "counter" => ccache_find($link, 0, $_SESSION["uid"], true));
2657
2658                 array_push($ret_arr, $cv);
2659
2660                 return $ret_arr;
2661         }
2662
2663         function getCategoryUnread($link, $cat, $owner_uid = false) {
2664
2665                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2666
2667                 if ($cat >= 0) {
2668
2669                         if ($cat != 0) {
2670                                 $cat_query = "cat_id = '$cat'";
2671                         } else {
2672                                 $cat_query = "cat_id IS NULL";
2673                         }
2674
2675                         $age_qpart = getMaxAgeSubquery();
2676
2677                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2678                                         AND owner_uid = " . $owner_uid);
2679
2680                         $cat_feeds = array();
2681                         while ($line = db_fetch_assoc($result)) {
2682                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2683                         }
2684
2685                         if (count($cat_feeds) == 0) return 0;
2686
2687                         $match_part = implode(" OR ", $cat_feeds);
2688
2689                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2690                                 FROM ttrss_user_entries,ttrss_entries
2691                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2692                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2693
2694                         $unread = 0;
2695
2696                         # this needs to be rewritten
2697                         while ($line = db_fetch_assoc($result)) {
2698                                 $unread += $line["unread"];
2699                         }
2700
2701                         return $unread;
2702                 } else if ($cat == -1) {
2703                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
2704                 } else if ($cat == -2) {
2705
2706                         $result = db_query($link, "
2707                                 SELECT COUNT(unread) AS unread FROM
2708                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2709                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2710                                         ttrss_labels2.owner_uid = '$owner_uid'
2711                                         AND unread = true AND feed_id = ttrss_feeds.id
2712                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2713
2714                         $unread = db_fetch_result($result, 0, "unread");
2715
2716                         return $unread;
2717
2718                 }
2719         }
2720
2721         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2722                 if (DB_TYPE == "pgsql") {
2723                         return "ttrss_entries.date_updated >
2724                                 NOW() - INTERVAL '$days days'";
2725                 } else {
2726                         return "ttrss_entries.date_updated >
2727                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2728                 }
2729         }
2730
2731         function getFeedUnread($link, $feed, $is_cat = false) {
2732                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2733         }
2734
2735         function getLabelUnread($link, $label_id, $owner_uid = false) {
2736                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2737
2738                 $result = db_query($link, "
2739                         SELECT COUNT(unread) AS unread FROM
2740                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2741                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2742                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2743                                 AND unread = true AND feed_id = ttrss_feeds.id
2744                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2745
2746                 if (db_num_rows($result) != 0) {
2747                         return db_fetch_result($result, 0, "unread");
2748                 } else {
2749                         return 0;
2750                 }
2751         }
2752
2753         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2754                 $owner_uid = false) {
2755
2756                 $n_feed = (int) $feed;
2757
2758                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2759
2760                 if ($unread_only) {
2761                         $unread_qpart = "unread = true";
2762                 } else {
2763                         $unread_qpart = "true";
2764                 }
2765
2766                 $age_qpart = getMaxAgeSubquery();
2767
2768                 if ($is_cat) {
2769                         return getCategoryUnread($link, $n_feed, $owner_uid);
2770                 } if ($feed != "0" && $n_feed == 0) {
2771
2772                         $feed = db_escape_string($feed);
2773
2774                         $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
2775                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2776                                         AND ref_id = id AND $age_qpart
2777                                         AND $unread_qpart)) AS count FROM ttrss_tags
2778                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
2779                         return db_fetch_result($result, 0, "count");
2780
2781                 } else if ($n_feed == -1) {
2782                         $match_part = "marked = true";
2783                 } else if ($n_feed == -2) {
2784                         $match_part = "published = true";
2785                 } else if ($n_feed == -3) {
2786                         $match_part = "unread = true AND score >= 0";
2787
2788                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2789
2790                         if (DB_TYPE == "pgsql") {
2791                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2792                         } else {
2793                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2794                         }
2795                 } else if ($n_feed == -4) {
2796                         $match_part = "true";
2797                 } else if ($n_feed >= 0) {
2798
2799                         if ($n_feed != 0) {
2800                                 $match_part = "feed_id = '$n_feed'";
2801                         } else {
2802                                 $match_part = "feed_id IS NULL";
2803                         }
2804
2805                 } else if ($feed < -10) {
2806
2807                         $label_id = -$feed - 11;
2808
2809                         return getLabelUnread($link, $label_id, $owner_uid);
2810
2811                 }
2812
2813                 if ($match_part) {
2814
2815                         if ($n_feed != 0) {
2816                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
2817                                 $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2818                         } else {
2819                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
2820                                 $feeds_qpart = '';
2821                         }
2822
2823                         $query = "SELECT count(int_id) AS unread
2824                                 FROM $from_qpart WHERE
2825                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2826                                 $age_qpart AND
2827                                 $feeds_qpart
2828                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
2829
2830                         $result = db_query($link, $query);
2831
2832                 } else {
2833
2834                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2835                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2836                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2837                                 AND $unread_qpart AND $age_qpart AND
2838                                         ttrss_tags.owner_uid = " . $owner_uid);
2839                 }
2840
2841                 $unread = db_fetch_result($result, 0, "unread");
2842
2843                 return $unread;
2844         }
2845
2846         function getGlobalUnread($link, $user_id = false) {
2847
2848                 if (!$user_id) {
2849                         $user_id = $_SESSION["uid"];
2850                 }
2851
2852                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2853                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2854
2855                 $c_id = db_fetch_result($result, 0, "c_id");
2856
2857                 return $c_id;
2858         }
2859
2860         function getGlobalCounters($link, $global_unread = -1) {
2861                 $ret_arr = array();
2862
2863                 if ($global_unread == -1) {
2864                         $global_unread = getGlobalUnread($link);
2865                 }
2866
2867                 $cv = array("id" => "global-unread",
2868                         "counter" => $global_unread);
2869
2870                 array_push($ret_arr, $cv);
2871
2872                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2873                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2874
2875                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2876
2877                 $cv = array("id" => "subscribed-feeds",
2878                         "counter" => $subscribed_feeds);
2879
2880                 array_push($ret_arr, $cv);
2881
2882                 return $ret_arr;
2883         }
2884
2885         function getSubscribedFeeds($link) {
2886                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2887                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2888
2889                 return db_fetch_result($result, 0, "fn");
2890         }
2891
2892         function getTagCounters($link) {
2893
2894                 $ret_arr = array();
2895
2896                 $age_qpart = getMaxAgeSubquery();
2897
2898                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2899                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2900                                 AND ref_id = id AND $age_qpart
2901                                 AND unread = true)) AS count FROM ttrss_tags
2902                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2903                                 ORDER BY count DESC LIMIT 55");
2904
2905                 $tags = array();
2906
2907                 while ($line = db_fetch_assoc($result)) {
2908                         $tags[$line["tag_name"]] += $line["count"];
2909                 }
2910
2911                 foreach (array_keys($tags) as $tag) {
2912                         $unread = $tags[$tag];
2913                         $tag = htmlspecialchars($tag);
2914
2915                         $cv = array("id" => $tag,
2916                                 "kind" => "tag",
2917                                 "counter" => $unread);
2918
2919                         array_push($ret_arr, $cv);
2920                 }
2921
2922                 return $ret_arr;
2923         }
2924
2925         function getVirtCounters($link) {
2926
2927                 $ret_arr = array();
2928
2929                 for ($i = 0; $i >= -4; $i--) {
2930
2931                         $count = getFeedUnread($link, $i);
2932
2933                         $cv = array("id" => $i,
2934                                 "counter" => $count);
2935
2936 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2937 //                              $cv["xmsg"] = getFeedArticles($link, $i)." ".__("total");
2938
2939                         array_push($ret_arr, $cv);
2940                 }
2941
2942                 return $ret_arr;
2943         }
2944
2945         function getLabelCounters($link, $descriptions = false) {
2946
2947                 $ret_arr = array();
2948
2949                 $age_qpart = getMaxAgeSubquery();
2950
2951                 $owner_uid = $_SESSION["uid"];
2952
2953                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2954                         WHERE owner_uid = '$owner_uid'");
2955
2956                 while ($line = db_fetch_assoc($result)) {
2957
2958                         $id = -$line["id"] - 11;
2959
2960                         $label_name = $line["caption"];
2961                         $count = getFeedUnread($link, $id);
2962
2963                         $cv = array("id" => $id,
2964                                 "counter" => $count);
2965
2966                         if ($descriptions)
2967                                 $cv["description"] = $label_name;
2968
2969 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2970 //                              $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2971
2972                         array_push($ret_arr, $cv);
2973                 }
2974
2975                 return $ret_arr;
2976         }
2977
2978         function getFeedCounters($link, $active_feed = false) {
2979
2980                 $ret_arr = array();
2981
2982                 $age_qpart = getMaxAgeSubquery();
2983
2984                 $query = "SELECT ttrss_feeds.id,
2985                                 ttrss_feeds.title,
2986                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2987                                 last_error, value AS count
2988                         FROM ttrss_feeds, ttrss_counters_cache
2989                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2990                                 AND ttrss_counters_cache.feed_id = id";
2991
2992                 $result = db_query($link, $query);
2993                 $fctrs_modified = false;
2994
2995                 while ($line = db_fetch_assoc($result)) {
2996
2997                         $id = $line["id"];
2998                         $count = $line["count"];
2999                         $last_error = htmlspecialchars($line["last_error"]);
3000
3001                         $last_updated = make_local_datetime($link, $line['last_updated'], false);
3002
3003                         $has_img = feed_has_icon($id);
3004
3005                         if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
3006                                 $last_updated = '';
3007
3008                         $cv = array("id" => $id,
3009                                 "updated" => $last_updated,
3010                                 "counter" => $count,
3011                                 "has_img" => (int) $has_img);
3012
3013                         if ($last_error)
3014                                 $cv["error"] = $last_error;
3015
3016 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
3017 //                              $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
3018
3019                         if ($active_feed && $id == $active_feed)
3020                                 $cv["title"] = truncate_string($line["title"], 30);
3021
3022                         array_push($ret_arr, $cv);
3023
3024                 }
3025
3026                 return $ret_arr;
3027         }
3028
3029         function get_pgsql_version($link) {
3030                 $result = db_query($link, "SELECT version() AS version");
3031                 $version = explode(" ", db_fetch_result($result, 0, "version"));
3032                 return $version[1];
3033         }
3034
3035         /**
3036          * Subscribes the user to the given feed
3037          *
3038          * @param resource $link       Database connection
3039          * @param string   $url        Feed URL to subscribe to
3040          * @param integer  $cat_id     Category ID the feed shall be added to
3041          * @param string   $auth_login (optional) Feed username
3042          * @param string   $auth_pass  (optional) Feed password
3043          *
3044          * @return integer Status code:
3045          *                 0 - OK, Feed already exists
3046          *                 1 - OK, Feed added
3047          *                 2 - Invalid URL
3048          *                 3 - URL content is HTML, no feeds available
3049          *                 4 - URL content is HTML which contains multiple feeds.
3050          *                     Here you should call extractfeedurls in rpc-backend
3051          *                     to get all possible feeds.
3052          *                 5 - Couldn't download the URL content.
3053          */
3054         function subscribe_to_feed($link, $url, $cat_id = 0,
3055                         $auth_login = '', $auth_pass = '') {
3056
3057                 $url = fix_url($url);
3058
3059                 if (!$url || !validate_feed_url($url)) return 2;
3060
3061                 $update_method = 0;
3062
3063                 $result = db_query($link, "SELECT twitter_oauth FROM ttrss_users
3064                         WHERE id = ".$_SESSION['uid']);
3065
3066                 $has_oauth = db_fetch_result($result, 0, 'twitter_oauth');
3067
3068                 if (!$has_oauth || strpos($url, '://api.twitter.com') === false) {
3069                         if (!fetch_file_contents($url, false, $auth_login, $auth_pass)) return 5;
3070
3071                         if (url_is_html($url, $auth_login, $auth_pass)) {
3072                                 $feedUrls = get_feeds_from_html($url, $auth_login, $auth_pass);
3073                                 if (count($feedUrls) == 0) {
3074                                         return 3;
3075                                 } else if (count($feedUrls) > 1) {
3076                                         return 4;
3077                                 }
3078                                 //use feed url as new URL
3079                                 $url = key($feedUrls);
3080                         }
3081
3082                         } else {
3083                                 if (!fetch_twitter_rss($link, $url, $_SESSION['uid']))
3084                                         return 5;
3085
3086                                 $update_method = 3;
3087                         }
3088                 if ($cat_id == "0" || !$cat_id) {
3089                         $cat_qpart = "NULL";
3090                 } else {
3091                         $cat_qpart = "'$cat_id'";
3092                 }
3093
3094                 $result = db_query($link,
3095                         "SELECT id FROM ttrss_feeds
3096                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
3097
3098                 if (db_num_rows($result) == 0) {
3099                         $result = db_query($link,
3100                                 "INSERT INTO ttrss_feeds
3101                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method)
3102                                 VALUES ('".$_SESSION["uid"]."', '$url',
3103                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', '$update_method')");
3104
3105                         $result = db_query($link,
3106                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
3107                                         AND owner_uid = " . $_SESSION["uid"]);
3108
3109                         $feed_id = db_fetch_result($result, 0, "id");
3110
3111                         if ($feed_id) {
3112                                 update_rss_feed($link, $feed_id, true);
3113                         }
3114
3115                         return 1;
3116                 } else {
3117                         return 0;
3118                 }
3119         }
3120
3121         function print_feed_select($link, $id, $default_id = "",
3122                 $attributes = "", $include_all_feeds = true) {
3123
3124                 print "<select id=\"$id\" name=\"$id\" $attributes>";
3125                 if ($include_all_feeds) {
3126                         print "<option value=\"0\">".__('All feeds')."</option>";
3127                 }
3128
3129                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
3130                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
3131
3132                 if (db_num_rows($result) > 0 && $include_all_feeds) {
3133                         print "<option disabled>--------</option>";
3134                 }
3135
3136                 while ($line = db_fetch_assoc($result)) {
3137                         if ($line["id"] == $default_id) {
3138                                 $is_selected = "selected=\"1\"";
3139                         } else {
3140                                 $is_selected = "";
3141                         }
3142
3143                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
3144
3145                         printf("<option $is_selected value='%d'>%s</option>",
3146                                 $line["id"], $title);
3147                 }
3148
3149                 print "</select>";
3150         }
3151
3152         function print_feed_cat_select($link, $id, $default_id = "",
3153                 $attributes = "", $include_all_cats = true) {
3154
3155                 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
3156
3157                 if ($include_all_cats) {
3158                         print "<option value=\"0\">".__('Uncategorized')."</option>";
3159                 }
3160
3161                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
3162                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
3163
3164                 if (db_num_rows($result) > 0 && $include_all_cats) {
3165                         print "<option disabled=\"1\">--------</option>";
3166                 }
3167
3168                 while ($line = db_fetch_assoc($result)) {
3169                         if ($line["id"] == $default_id) {
3170                                 $is_selected = "selected=\"1\"";
3171                         } else {
3172                                 $is_selected = "";
3173                         }
3174
3175                         if ($line["title"])
3176                                 printf("<option $is_selected value='%d'>%s</option>",
3177                                         $line["id"], htmlspecialchars($line["title"]));
3178                 }
3179
3180 #               print "<option value=\"ADD_CAT\">" .__("Add category...") . "</option>";
3181
3182                 print "</select>";
3183         }
3184
3185         function checkbox_to_sql_bool($val) {
3186                 return ($val == "on") ? "true" : "false";
3187         }
3188
3189         function getFeedCatTitle($link, $id) {
3190                 if ($id == -1) {
3191                         return __("Special");
3192                 } else if ($id < -10) {
3193                         return __("Labels");
3194                 } else if ($id > 0) {
3195                         $result = db_query($link, "SELECT ttrss_feed_categories.title
3196                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
3197                                         cat_id = ttrss_feed_categories.id");
3198                         if (db_num_rows($result) == 1) {
3199                                 return db_fetch_result($result, 0, "title");
3200                         } else {
3201                                 return __("Uncategorized");
3202                         }
3203                 } else {
3204                         return "getFeedCatTitle($id) failed";
3205                 }
3206
3207         }
3208
3209         function getFeedIcon($id) {
3210                 switch ($id) {
3211                 case 0:
3212                         return "images/archive.png";
3213                         break;
3214                 case -1:
3215                         return "images/mark_set.png";
3216                         break;
3217                 case -2:
3218                         return "images/pub_set.png";
3219                         break;
3220                 case -3:
3221                         return "images/fresh.png";
3222                         break;
3223                 case -4:
3224                         return "images/tag.png";
3225                         break;
3226                 default:
3227                         if ($id < -10) {
3228                                 return "images/label.png";
3229                         } else {
3230                                 if (file_exists(ICONS_DIR . "/$id.ico"))
3231                                         return ICONS_URL . "/$id.ico";
3232                         }
3233                         break;
3234                 }
3235         }
3236
3237         function getFeedTitle($link, $id) {
3238                 if ($id == -1) {
3239                         return __("Starred articles");
3240                 } else if ($id == -2) {
3241                         return __("Published articles");
3242                 } else if ($id == -3) {
3243                         return __("Fresh articles");
3244                 } else if ($id == -4) {
3245                         return __("All articles");
3246                 } else if ($id === 0 || $id === "0") {
3247                         return __("Archived articles");
3248                 } else if ($id < -10) {
3249                         $label_id = -$id - 11;
3250                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
3251                         if (db_num_rows($result) == 1) {
3252                                 return db_fetch_result($result, 0, "caption");
3253                         } else {
3254                                 return "Unknown label ($label_id)";
3255                         }
3256
3257                 } else if (is_numeric($id) && $id > 0) {
3258                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3259                         if (db_num_rows($result) == 1) {
3260                                 return db_fetch_result($result, 0, "title");
3261                         } else {
3262                                 return "Unknown feed ($id)";
3263                         }
3264                 } else {
3265                         return $id;
3266                 }
3267         }
3268
3269         function get_session_cookie_name() {
3270                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3271         }
3272
3273         function make_init_params($link) {
3274                 $params = array();
3275
3276                 $params["theme"] = get_user_theme($link);
3277                 $params["theme_options"] = get_user_theme_options($link);
3278
3279                 $params["sign_progress"] = theme_image($link, "images/indicator_white.gif");
3280                 $params["sign_progress_tiny"] = theme_image($link, "images/indicator_tiny.gif");
3281                 $params["sign_excl"] = theme_image($link, "images/sign_excl.png");
3282                 $params["sign_info"] = theme_image($link, "images/sign_info.png");
3283
3284                 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
3285                         "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
3286                         "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE", "DEFAULT_ARTICLE_LIMIT",
3287                         "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
3288
3289                                  $params[strtolower($param)] = (int) get_pref($link, $param);
3290                  }
3291
3292                 $params["icons_url"] = ICONS_URL;
3293                 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
3294                 $params["default_view_mode"] = get_pref($link, "_DEFAULT_VIEW_MODE");
3295                 $params["default_view_limit"] = (int) get_pref($link, "_DEFAULT_VIEW_LIMIT");
3296                 $params["default_view_order_by"] = get_pref($link, "_DEFAULT_VIEW_ORDER_BY");
3297                 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
3298
3299                 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
3300                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3301
3302                 $max_feed_id = db_fetch_result($result, 0, "mid");
3303                 $num_feeds = db_fetch_result($result, 0, "nf");
3304
3305                 $params["max_feed_id"] = (int) $max_feed_id;
3306                 $params["num_feeds"] = (int) $num_feeds;
3307
3308                 $params["collapsed_feedlist"] = (int) get_pref($link, "_COLLAPSED_FEEDLIST");
3309
3310                 return $params;
3311         }
3312
3313         function print_runtime_info($link) {
3314                 print "<runtime-info><![CDATA[";
3315                 print json_encode(make_runtime_info($link));
3316                 print "]]></runtime-info>";
3317         }
3318
3319         function make_runtime_info($link) {
3320                 $data = array();
3321
3322                 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
3323                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3324
3325                 $max_feed_id = db_fetch_result($result, 0, "mid");
3326                 $num_feeds = db_fetch_result($result, 0, "nf");
3327
3328                 $data["max_feed_id"] = (int) $max_feed_id;
3329                 $data["num_feeds"] = (int) $num_feeds;
3330
3331                 $data['last_article_id'] = getLastArticleId($link);
3332                 $data['cdm_expanded'] = get_pref($link, 'CDM_EXPANDED');
3333
3334                 if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
3335
3336                         $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
3337
3338                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3339
3340                                 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
3341
3342                                 if ($stamp) {
3343                                         $stamp_delta = time() - $stamp;
3344
3345                                         if ($stamp_delta > 1800) {
3346                                                 $stamp_check = 0;
3347                                         } else {
3348                                                 $stamp_check = 1;
3349                                                 $_SESSION["daemon_stamp_check"] = time();
3350                                         }
3351
3352                                         $data['daemon_stamp_ok'] = $stamp_check;
3353
3354                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3355
3356                                         $data['daemon_stamp'] = $stamp_fmt;
3357                                 }
3358                         }
3359                 }
3360
3361                 if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3362                                 $new_version_details = @check_for_update($link);
3363
3364                                 $data['new_version_available'] = (int) ($new_version_details != false);
3365
3366                                 $_SESSION["last_version_check"] = time();
3367                 }
3368
3369                 return $data;
3370         }
3371
3372         function search_to_sql($link, $search, $match_on) {
3373
3374                 $search_query_part = "";
3375
3376                 $keywords = explode(" ", $search);
3377                 $query_keywords = array();
3378
3379                 foreach ($keywords as $k) {
3380                         if (strpos($k, "-") === 0) {
3381                                 $k = substr($k, 1);
3382                                 $not = "NOT";
3383                         } else {
3384                                 $not = "";
3385                         }
3386
3387                         $commandpair = explode(":", mb_strtolower($k), 2);
3388
3389                         if ($commandpair[0] == "note" && $commandpair[1]) {
3390
3391                                 if ($commandpair[1] == "true")
3392                                         array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
3393                                 else
3394                                         array_push($query_keywords, "($not (note IS NULL OR note = ''))");
3395
3396                         } else if ($commandpair[0] == "star" && $commandpair[1]) {
3397
3398                                 if ($commandpair[1] == "true")
3399                                         array_push($query_keywords, "($not (marked = true))");
3400                                 else
3401                                         array_push($query_keywords, "($not (marked = false))");
3402
3403                         } else if ($commandpair[0] == "pub" && $commandpair[1]) {
3404
3405                                 if ($commandpair[1] == "true")
3406                                         array_push($query_keywords, "($not (published = true))");
3407                                 else
3408                                         array_push($query_keywords, "($not (published = false))");
3409
3410                         } else if (strpos($k, "@") === 0) {
3411
3412                                 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $_SESSION['uid']);
3413                                 $orig_ts = strtotime(substr($k, 1));
3414                                 $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
3415
3416                                 //$k = date("Y-m-d", strtotime(substr($k, 1)));
3417
3418                                 array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
3419                         } else if ($match_on == "both") {
3420                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
3421                                                 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3422                         } else if ($match_on == "title") {
3423                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
3424                         } else if ($match_on == "content") {
3425                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3426                         }
3427                 }
3428
3429                 $search_query_part = implode("AND", $query_keywords);
3430
3431                 return $search_query_part;
3432         }
3433
3434
3435         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0, $filter = false, $since_id = 0) {
3436
3437                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3438
3439                 $ext_tables_part = "";
3440
3441                         if ($search) {
3442
3443                                 if (SPHINX_ENABLED) {
3444                                         $ids = join(",", @sphinx_search($search, 0, 500));
3445
3446                                         if ($ids)
3447                                                 $search_query_part = "ref_id IN ($ids) AND ";
3448                                         else
3449                                                 $search_query_part = "ref_id = -1 AND ";
3450
3451                                 } else {
3452                                         $search_query_part = search_to_sql($link, $search, $match_on);
3453                                         $search_query_part .= " AND ";
3454                                 }
3455
3456                         } else {
3457                                 $search_query_part = "";
3458                         }
3459
3460                         if ($filter) {
3461                                 $filter_query_part = filter_to_sql($filter);
3462                         } else {
3463                                 $filter_query_part = "";
3464                         }
3465
3466                         if ($since_id) {
3467                                 $since_id_part = "ttrss_entries.id > $since_id AND ";
3468                         } else {
3469                                 $since_id_part = "";
3470                         }
3471
3472                         $view_query_part = "";
3473
3474                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3475                                 if ($search) {
3476                                         $view_query_part = " ";
3477                                 } else if ($feed != -1) {
3478                                         $unread = getFeedUnread($link, $feed, $cat_view);
3479                                         if ($unread > 0) {
3480                                                 $view_query_part = " unread = true AND ";
3481                                         }
3482                                 }
3483                         }
3484
3485                         if ($view_mode == "marked") {
3486                                 $view_query_part = " marked = true AND ";
3487                         }
3488
3489                         if ($view_mode == "published") {
3490                                 $view_query_part = " published = true AND ";
3491                         }
3492
3493                         if ($view_mode == "unread") {
3494                                 $view_query_part = " unread = true AND ";
3495                         }
3496
3497                         if ($view_mode == "updated") {
3498                                 $view_query_part = " (last_read is null and unread = false) AND ";
3499                         }
3500
3501                         if ($limit > 0) {
3502                                 $limit_query_part = "LIMIT " . $limit;
3503                         }
3504
3505                         $vfeed_query_part = "";
3506
3507                         // override query strategy and enable feed display when searching globally
3508                         if ($search && $search_mode == "all_feeds") {
3509                                 $query_strategy_part = "ttrss_entries.id > 0";
3510                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3511                         /* tags */
3512                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3513                                 $query_strategy_part = "ttrss_entries.id > 0";
3514                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3515                                         id = feed_id) as feed_title,";
3516                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
3517
3518                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3519
3520                                 $tmp_result = false;
3521
3522                                 if ($cat_view) {
3523                                         $tmp_result = db_query($link, "SELECT id
3524                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3525                                 } else {
3526                                         $tmp_result = db_query($link, "SELECT id
3527                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3528                                                         WHERE id = '$feed') AND id != '$feed'");
3529                                 }
3530
3531                                 $cat_siblings = array();
3532
3533                                 if (db_num_rows($tmp_result) > 0) {
3534                                         while ($p = db_fetch_assoc($tmp_result)) {
3535                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3536                                         }
3537
3538                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3539                                                 $feed, implode(" OR ", $cat_siblings));
3540
3541                                 } else {
3542                                         $query_strategy_part = "ttrss_entries.id > 0";
3543                                 }
3544
3545                         } else if ($feed > 0) {
3546
3547                                 if ($cat_view) {
3548
3549                                         if ($feed > 0) {
3550                                                 $query_strategy_part = "cat_id = '$feed'";
3551                                         } else {
3552                                                 $query_strategy_part = "cat_id IS NULL";
3553                                         }
3554
3555                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3556
3557                                 } else {
3558                                         $query_strategy_part = "feed_id = '$feed'";
3559                                 }
3560                         } else if ($feed == 0 && !$cat_view) { // archive virtual feed
3561                                 $query_strategy_part = "feed_id IS NULL";
3562                         } else if ($feed == 0 && $cat_view) { // uncategorized
3563                                 $query_strategy_part = "cat_id IS NULL";
3564                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3565                         } else if ($feed == -1) { // starred virtual feed
3566                                 $query_strategy_part = "marked = true";
3567                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3568                         } else if ($feed == -2) { // published virtual feed OR labels category
3569
3570                                 if (!$cat_view) {
3571                                         $query_strategy_part = "published = true";
3572                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3573                                 } else {
3574                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3575
3576                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3577
3578                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3579                                                 ttrss_user_labels2.article_id = ref_id";
3580
3581                                 }
3582
3583                         } else if ($feed == -3) { // fresh virtual feed
3584                                 $query_strategy_part = "unread = true AND score >= 0";
3585
3586                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3587
3588                                 if (DB_TYPE == "pgsql") {
3589                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3590                                 } else {
3591                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3592                                 }
3593
3594                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3595                         } else if ($feed == -4) { // all articles virtual feed
3596                                 $query_strategy_part = "true";
3597                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3598                         } else if ($feed <= -10) { // labels
3599                                 $label_id = -$feed - 11;
3600
3601                                 $query_strategy_part = "label_id = '$label_id' AND
3602                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3603                                         ttrss_user_labels2.article_id = ref_id";
3604
3605                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3606                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3607
3608                         } else {
3609                                 $query_strategy_part = "id > 0"; // dumb
3610                         }
3611
3612                         if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3613                                 $date_sort_field = "updated";
3614                         } else {
3615                                 $date_sort_field = "date_entered";
3616                         }
3617
3618                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3619                                 $order_by = "$date_sort_field";
3620                         } else {
3621                                 $order_by = "$date_sort_field DESC";
3622                         }
3623
3624                         if ($view_mode != "noscores") {
3625                                 $order_by = "score DESC, $order_by";
3626                         }
3627
3628                         if ($override_order) {
3629                                 $order_by = $override_order;
3630                         }
3631
3632                         $feed_title = "";
3633
3634                         if ($search) {
3635                                 $feed_title = "Search results";
3636                         } else {
3637                                 if ($cat_view) {
3638                                         $feed_title = getCategoryTitle($link, $feed);
3639                                 } else {
3640                                         if (is_numeric($feed) && $feed > 0) {
3641                                                 $result = db_query($link, "SELECT title,site_url,last_error
3642                                                         FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
3643
3644                                                 $feed_title = db_fetch_result($result, 0, "title");
3645                                                 $feed_site_url = db_fetch_result($result, 0, "site_url");
3646                                                 $last_error = db_fetch_result($result, 0, "last_error");
3647                                         } else {
3648                                                 $feed_title = getFeedTitle($link, $feed);
3649                                         }
3650                                 }
3651                         }
3652
3653                         $content_query_part = "content as content_preview,";
3654
3655                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3656
3657                                 if ($feed >= 0) {
3658                                         $feed_kind = "Feeds";
3659                                 } else {
3660                                         $feed_kind = "Labels";
3661                                 }
3662
3663                                 if ($limit_query_part) {
3664                                         $offset_query_part = "OFFSET $offset";
3665                                 }
3666
3667                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3668                                         if (!$override_order) {
3669                                                 $order_by = "ttrss_feeds.title, $order_by";
3670                                         }
3671                                 }
3672
3673                                 if ($feed != "0") {
3674                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
3675                                         $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
3676
3677                                 } else {
3678                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
3679                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
3680                                 }
3681
3682                                 $query = "SELECT DISTINCT
3683                                                 date_entered,
3684                                                 guid,
3685                                                 ttrss_entries.id,ttrss_entries.title,
3686                                                 updated,
3687                                                 note,
3688                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
3689                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3690                                                 $vfeed_query_part
3691                                                 $content_query_part
3692                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3693                                                 author,score
3694                                         FROM
3695                                                 $from_qpart
3696                                         WHERE
3697                                         $feed_check_qpart
3698                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3699                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3700                                         $search_query_part
3701                                         $filter_query_part
3702                                         $view_query_part
3703                                         $since_id_part
3704                                         $query_strategy_part ORDER BY $order_by
3705                                         $limit_query_part $offset_query_part";
3706
3707                                 if ($_REQUEST["debug"]) print $query;
3708
3709                                 $result = db_query($link, $query);
3710
3711                         } else {
3712                                 // browsing by tag
3713
3714                                 $select_qpart = "SELECT DISTINCT " .
3715                                                                 "date_entered," .
3716                                                                 "guid," .
3717                                                                 "note," .
3718                                                                 "ttrss_entries.id as id," .
3719                                                                 "title," .
3720                                                                 "updated," .
3721                                                                 "unread," .
3722                                                                 "feed_id," .
3723                                                                 "orig_feed_id," .
3724                                                                 "marked," .
3725                                                                 "link," .
3726                                                                 "last_read," .
3727                                                                 SUBSTRING_FOR_DATE . "(last_read,1,19) as last_read_noms," .
3728                                                                 $since_id_part .
3729                                                                 $vfeed_query_part .
3730                                                                 $content_query_part .
3731                                                                 SUBSTRING_FOR_DATE . "(updated,1,19) as updated_noms," .
3732                                                                 "score ";
3733
3734                                 $feed_kind = "Tags";
3735                                 $all_tags = explode(",", $feed);
3736                                 if ($search_mode == 'any') {
3737                                         $tag_sql = "tag_name in (" . implode(", ", array_map("db_quote", $all_tags)) . ")";
3738                                         $from_qpart = " FROM ttrss_entries,ttrss_user_entries,ttrss_tags ";
3739                                         $where_qpart = " WHERE " .
3740                                                                    "ref_id = ttrss_entries.id AND " .
3741                                                                    "ttrss_user_entries.owner_uid = $owner_uid AND " .
3742                                                                    "post_int_id = int_id AND $tag_sql AND " .
3743                                                                    $view_query_part .
3744                                                                    $search_query_part .
3745                                                                    $query_strategy_part . " ORDER BY $order_by " .
3746                                                                    $limit_query_part;
3747
3748                                 } else {
3749                                         $i = 1;
3750                                         $sub_selects = array();
3751                                         $sub_ands = array();
3752                                         foreach ($all_tags as $term) {
3753                                                 array_push($sub_selects, "(SELECT post_int_id from ttrss_tags WHERE tag_name = " . db_quote($term) . " AND owner_uid = $owner_uid) as A$i");
3754                                                 $i++;
3755                                         }
3756                                         if ($i > 2) {
3757                                                 $x = 1;
3758                                                 $y = 2;
3759                                                 do {
3760                                                         array_push($sub_ands, "A$x.post_int_id = A$y.post_int_id");
3761                                                         $x++;
3762                                                         $y++;
3763                                                 } while ($y < $i);
3764                                         }
3765                                         array_push($sub_ands, "A1.post_int_id = ttrss_user_entries.int_id and ttrss_user_entries.owner_uid = $owner_uid");
3766                                         array_push($sub_ands, "ttrss_user_entries.ref_id = ttrss_entries.id");
3767                                         $from_qpart = " FROM " . implode(", ", $sub_selects) . ", ttrss_user_entries, ttrss_entries";
3768                                         $where_qpart = " WHERE " . implode(" AND ", $sub_ands);
3769                                 }
3770                                 //                              error_log("TAG SQL: " . $tag_sql);
3771                                 // $tag_sql = "tag_name = '$feed'";   DEFAULT way
3772
3773                                 //                              error_log("[". $select_qpart . "][" . $from_qpart . "][" .$where_qpart . "]");
3774                                 $result = db_query($link, $select_qpart . $from_qpart . $where_qpart);
3775                         }
3776
3777                         return array($result, $feed_title, $feed_site_url, $last_error);
3778
3779         }
3780
3781         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3782                 $limit, $search, $search_mode, $match_on, $view_mode = false) {
3783
3784                 require_once "lib/MiniTemplator.class.php";
3785
3786                 $note_style =   "background-color : #fff7d5;
3787                         border-width : 1px; ".
3788                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3789                         "margin-bottom : 1em; color : #9a8c59;";
3790
3791                 if (!$limit) $limit = 30;
3792
3793                 if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3794                         $date_sort_field = "updated";
3795                 } else {
3796                         $date_sort_field = "date_entered";
3797                 }
3798
3799                 $qfh_ret = queryFeedHeadlines($link, $feed,
3800                         $limit, $view_mode, $is_cat, $search, $search_mode,
3801                         $match_on, "$date_sort_field DESC", 0, $owner_uid);
3802
3803                 $result = $qfh_ret[0];
3804                 $feed_title = htmlspecialchars($qfh_ret[1]);
3805                 $feed_site_url = $qfh_ret[2];
3806                 $last_error = $qfh_ret[3];
3807
3808                 $feed_self_url = get_self_url_prefix() .
3809                         "/backend.php?op=rss&id=-2&key=" .
3810                         get_feed_access_key($link, -2, false);
3811
3812                 if (!$feed_site_url) $feed_site_url = get_self_url_prefix();
3813
3814                 $tpl = new MiniTemplator;
3815
3816                 $tpl->readTemplateFromFile("templates/generated_feed.txt");
3817
3818                 $tpl->setVariable('FEED_TITLE', $feed_title);
3819                 $tpl->setVariable('VERSION', VERSION);
3820                 $tpl->setVariable('FEED_URL', htmlspecialchars($feed_self_url));
3821
3822                 if (PUBSUBHUBBUB_HUB && $feed == -2) {
3823                         $tpl->setVariable('HUB_URL', htmlspecialchars(PUBSUBHUBBUB_HUB));
3824                         $tpl->addBlock('feed_hub');
3825                 }
3826
3827                 $tpl->setVariable('SELF_URL', htmlspecialchars(get_self_url_prefix()));
3828
3829                 while ($line = db_fetch_assoc($result)) {
3830                         $tpl->setVariable('ARTICLE_ID', htmlspecialchars($line['link']));
3831                         $tpl->setVariable('ARTICLE_LINK', htmlspecialchars($line['link']));
3832                         $tpl->setVariable('ARTICLE_TITLE', htmlspecialchars($line['title']));
3833                         $tpl->setVariable('ARTICLE_EXCERPT',
3834                                 truncate_string(strip_tags($line["content_preview"]), 100, '...'));
3835
3836                         $content = sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3837
3838                         if ($line['note']) {
3839                                 $content = "<div style=\"$note_style\">Article note: " . $line['note'] . "</div>" .
3840                                         $content;
3841                         }
3842
3843                         $tpl->setVariable('ARTICLE_CONTENT', $content);
3844
3845                         $tpl->setVariable('ARTICLE_UPDATED', date('c', strtotime($line["updated"])));
3846                         $tpl->setVariable('ARTICLE_AUTHOR', htmlspecialchars($line['author']));
3847
3848                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3849
3850                         foreach ($tags as $tag) {
3851                                 $tpl->setVariable('ARTICLE_CATEGORY', htmlspecialchars($tag));
3852                                 $tpl->addBlock('category');
3853                         }
3854
3855                         $enclosures = get_article_enclosures($link, $line["id"]);
3856
3857                         foreach ($enclosures as $e) {
3858                                 $type = htmlspecialchars($e['content_type']);
3859                                 $url = htmlspecialchars($e['content_url']);
3860                                 $length = $e['duration'];
3861
3862                                 $tpl->setVariable('ARTICLE_ENCLOSURE_URL', $url);
3863                                 $tpl->setVariable('ARTICLE_ENCLOSURE_TYPE', $type);
3864                                 $tpl->setVariable('ARTICLE_ENCLOSURE_LENGTH', $length);
3865
3866                                 $tpl->addBlock('enclosure');
3867                         }
3868
3869                         $tpl->addBlock('entry');
3870                 }
3871
3872                 $tmp = "";
3873
3874                 $tpl->addBlock('feed');
3875                 $tpl->generateOutputToString($tmp);
3876
3877                 print $tmp;
3878         }
3879
3880         function getCategoryTitle($link, $cat_id) {
3881
3882                 if ($cat_id == -1) {
3883                         return __("Special");
3884                 } else if ($cat_id == -2) {
3885                         return __("Labels");
3886                 } else {
3887
3888                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3889                                 id = '$cat_id'");
3890
3891                         if (db_num_rows($result) == 1) {
3892                                 return db_fetch_result($result, 0, "title");
3893                         } else {
3894                                 return "Uncategorized";
3895                         }
3896                 }
3897         }
3898
3899         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) {
3900                 global $purifier;
3901
3902                 if (!$owner) $owner = $_SESSION["uid"];
3903
3904                 $res = trim($str); if (!$res) return '';
3905
3906 //              if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3907                 $res = $purifier->purify($res);
3908 //              }
3909
3910                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3911                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3912                 }
3913
3914                 if (strpos($res, "href=") === false)
3915                         $res = rewrite_urls($res);
3916
3917                 $charset_hack = '<head>
3918                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3919                 </head>';
3920
3921                 $res = trim($res); if (!$res) return '';
3922
3923                 libxml_use_internal_errors(true);
3924
3925                 $doc = new DOMDocument();
3926                 $doc->loadHTML($charset_hack . $res);
3927                 $xpath = new DOMXPath($doc);
3928
3929                 $entries = $xpath->query('(//a[@href]|//img[@src])');
3930                 $br_inserted = 0;
3931
3932                 foreach ($entries as $entry) {
3933
3934                         if ($site_url) {
3935
3936                                 if ($entry->hasAttribute('href'))
3937                                         $entry->setAttribute('href',
3938                                                 rewrite_relative_url($site_url, $entry->getAttribute('href')));
3939
3940                                 if ($entry->hasAttribute('src'))
3941                                         if (preg_match('/^image.php\?i=[a-z0-9]+$/', $entry->getAttribute('src')) == 0)
3942                                                 $entry->setAttribute('src',
3943                                                         rewrite_relative_url($site_url, $entry->getAttribute('src')));
3944                         }
3945
3946                         if (strtolower($entry->nodeName) == "a") {
3947                                 $entry->setAttribute("target", "_blank");
3948                         }
3949
3950                         if (strtolower($entry->nodeName) == "img" && !$br_inserted) {
3951                                 $br = $doc->createElement("br");
3952
3953                                 if ($entry->parentNode->nextSibling) {
3954                                         $entry->parentNode->insertBefore($br, $entry->nextSibling);
3955                                         $br_inserted = 1;
3956                                 }
3957
3958                         }
3959                 }
3960
3961                 $node = $doc->getElementsByTagName('body')->item(0);
3962
3963                 return $doc->saveXML($node);
3964         }
3965
3966         /**
3967          * Send by mail a digest of last articles.
3968          *
3969          * @param mixed $link The database connection.
3970          * @param integer $limit The maximum number of articles by digest.
3971          * @return boolean Return false if digests are not enabled.
3972          */
3973         function send_headlines_digests($link, $limit = 100) {
3974
3975                 if (!DIGEST_ENABLE) return false;
3976
3977                 $user_limit = DIGEST_EMAIL_LIMIT;
3978                 $days = 1;
3979
3980                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3981
3982                 if (DB_TYPE == "pgsql") {
3983                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3984                 } else if (DB_TYPE == "mysql") {
3985                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3986                 }
3987
3988                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3989                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3990
3991                 while ($line = db_fetch_assoc($result)) {
3992
3993                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3994                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3995
3996                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3997
3998                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3999                                 $digest = $tuple[0];
4000                                 $headlines_count = $tuple[1];
4001                                 $affected_ids = $tuple[2];
4002                                 $digest_text = $tuple[3];
4003
4004                                 if ($headlines_count > 0) {
4005
4006                                         $mail = new PHPMailer();
4007
4008                                         $mail->PluginDir = "lib/phpmailer/";
4009                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
4010
4011                                         $mail->CharSet = "UTF-8";
4012
4013                                         $mail->From = DIGEST_FROM_ADDRESS;
4014                                         $mail->FromName = DIGEST_FROM_NAME;
4015                                         $mail->AddAddress($line["email"], $line["login"]);
4016
4017                                         if (DIGEST_SMTP_HOST) {
4018                                                 $mail->Host = DIGEST_SMTP_HOST;
4019                                                 $mail->Mailer = "smtp";
4020                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
4021                                                 $mail->Username = DIGEST_SMTP_LOGIN;
4022                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
4023                                         }
4024
4025                                         $mail->IsHTML(true);
4026                                         $mail->Subject = DIGEST_SUBJECT;
4027                                         $mail->Body = $digest;
4028                                         $mail->AltBody = $digest_text;
4029
4030                                         $rc = $mail->Send();
4031
4032                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
4033
4034                                         print "RC=$rc\n";
4035
4036                                         if ($rc && $do_catchup) {
4037                                                 print "Marking affected articles as read...\n";
4038                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
4039                                         }
4040                                 } else {
4041                                         print "No headlines\n";
4042                                 }
4043
4044                                 db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
4045                                         WHERE id = " . $line["id"]);
4046                         }
4047                 }
4048
4049                 print "All done.\n";
4050
4051         }
4052
4053         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
4054
4055                 require_once "lib/MiniTemplator.class.php";
4056
4057                 $tpl = new MiniTemplator;
4058                 $tpl_t = new MiniTemplator;
4059
4060                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
4061                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
4062
4063                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
4064                 $tpl->setVariable('CUR_TIME', date('G:i'));
4065
4066                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
4067                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
4068
4069                 $affected_ids = array();
4070
4071                 if (DB_TYPE == "pgsql") {
4072                         $interval_query = "ttrss_entries.date_updated > NOW() - INTERVAL '$days days'";
4073                 } else if (DB_TYPE == "mysql") {
4074                         $interval_query = "ttrss_entries.date_updated > DATE_SUB(NOW(), INTERVAL $days DAY)";
4075                 }
4076
4077                 $result = db_query($link, "SELECT ttrss_entries.title,
4078                                 ttrss_feeds.title AS feed_title,
4079                                 date_updated,
4080                                 ttrss_user_entries.ref_id,
4081                                 link,
4082                                 SUBSTRING(content, 1, 120) AS excerpt,
4083                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
4084                         FROM
4085                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
4086                         WHERE
4087                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
4088                                 AND include_in_digest = true
4089                                 AND $interval_query
4090                                 AND ttrss_user_entries.owner_uid = $user_id
4091                                 AND unread = true
4092                         ORDER BY ttrss_feeds.title, date_updated DESC
4093                         LIMIT $limit");
4094
4095                 $cur_feed_title = "";
4096
4097                 $headlines_count = db_num_rows($result);
4098
4099                 $headlines = array();
4100
4101                 while ($line = db_fetch_assoc($result)) {
4102                         array_push($headlines, $line);
4103                 }
4104
4105                 for ($i = 0; $i < sizeof($headlines); $i++) {
4106
4107                         $line = $headlines[$i];
4108
4109                         array_push($affected_ids, $line["ref_id"]);
4110
4111                         $updated = make_local_datetime($link, $line['last_updated'], false,
4112                                 $user_id);
4113
4114                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
4115                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
4116                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
4117                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
4118                         $tpl->setVariable('ARTICLE_EXCERPT',
4119                                 truncate_string(strip_tags($line["excerpt"]), 100));
4120
4121                         $tpl->addBlock('article');
4122
4123                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
4124                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
4125                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
4126                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
4127 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
4128 //                              truncate_string(strip_tags($line["excerpt"]), 100));
4129
4130                         $tpl_t->addBlock('article');
4131
4132                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
4133                                 $tpl->addBlock('feed');
4134                                 $tpl_t->addBlock('feed');
4135                         }
4136
4137                 }
4138
4139                 $tpl->addBlock('digest');
4140                 $tpl->generateOutputToString($tmp);
4141
4142                 $tpl_t->addBlock('digest');
4143                 $tpl_t->generateOutputToString($tmp_t);
4144
4145                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
4146         }
4147
4148         function check_for_update($link) {
4149                 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
4150                         $version_url = "http://tt-rss.org/version.php?ver=" . VERSION;
4151
4152                         $version_data = @fetch_file_contents($version_url);
4153
4154                         if ($version_data) {
4155                                 $version_data = json_decode($version_data, true);
4156                                 if ($version_data && $version_data['version']) {
4157
4158                                         if (version_compare(VERSION, $version_data['version']) == -1) {
4159                                                 return $version_data;
4160                                         }
4161                                 }
4162                         }
4163                 }
4164                 return false;
4165         }
4166
4167         function markArticlesById($link, $ids, $cmode) {
4168
4169                 $tmp_ids = array();
4170
4171                 foreach ($ids as $id) {
4172                         array_push($tmp_ids, "ref_id = '$id'");
4173                 }
4174
4175                 $ids_qpart = join(" OR ", $tmp_ids);
4176
4177                 if ($cmode == 0) {
4178                         db_query($link, "UPDATE ttrss_user_entries SET
4179                         marked = false,last_read = NOW()
4180                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4181                 } else if ($cmode == 1) {
4182                         db_query($link, "UPDATE ttrss_user_entries SET
4183                         marked = true
4184                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4185                 } else {
4186                         db_query($link, "UPDATE ttrss_user_entries SET
4187                         marked = NOT marked,last_read = NOW()
4188                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4189                 }
4190         }
4191
4192         function publishArticlesById($link, $ids, $cmode) {
4193
4194                 $tmp_ids = array();
4195
4196                 foreach ($ids as $id) {
4197                         array_push($tmp_ids, "ref_id = '$id'");
4198                 }
4199
4200                 $ids_qpart = join(" OR ", $tmp_ids);
4201
4202                 if ($cmode == 0) {
4203                         db_query($link, "UPDATE ttrss_user_entries SET
4204                         published = false,last_read = NOW()
4205                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4206                 } else if ($cmode == 1) {
4207                         db_query($link, "UPDATE ttrss_user_entries SET
4208                         published = true
4209                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4210                 } else {
4211                         db_query($link, "UPDATE ttrss_user_entries SET
4212                         published = NOT published,last_read = NOW()
4213                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4214                 }
4215
4216                 if (PUBSUBHUBBUB_HUB) {
4217                         $rss_link = get_self_url_prefix() .
4218                                 "/backend.php?op=rss&id=-2&key=" .
4219                                 get_feed_access_key($link, -2, false);
4220
4221                         $p = new Publisher(PUBSUBHUBBUB_HUB);
4222
4223                         $pubsub_result = $p->publish_update($rss_link);
4224                 }
4225         }
4226
4227         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
4228
4229                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4230                 if (count($ids) == 0) return;
4231
4232                 $tmp_ids = array();
4233
4234                 foreach ($ids as $id) {
4235                         array_push($tmp_ids, "ref_id = '$id'");
4236                 }
4237
4238                 $ids_qpart = join(" OR ", $tmp_ids);
4239
4240                 if ($cmode == 0) {
4241                         db_query($link, "UPDATE ttrss_user_entries SET
4242                         unread = false,last_read = NOW()
4243                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4244                 } else if ($cmode == 1) {
4245                         db_query($link, "UPDATE ttrss_user_entries SET
4246                         unread = true
4247                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4248                 } else {
4249                         db_query($link, "UPDATE ttrss_user_entries SET
4250                         unread = NOT unread,last_read = NOW()
4251                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4252                 }
4253
4254                 /* update ccache */
4255
4256                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
4257                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4258
4259                 while ($line = db_fetch_assoc($result)) {
4260                         ccache_update($link, $line["feed_id"], $owner_uid);
4261                 }
4262         }
4263
4264         function catchupArticleById($link, $id, $cmode) {
4265
4266                 if ($cmode == 0) {
4267                         db_query($link, "UPDATE ttrss_user_entries SET
4268                         unread = false,last_read = NOW()
4269                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4270                 } else if ($cmode == 1) {
4271                         db_query($link, "UPDATE ttrss_user_entries SET
4272                         unread = true
4273                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4274                 } else {
4275                         db_query($link, "UPDATE ttrss_user_entries SET
4276                         unread = NOT unread,last_read = NOW()
4277                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4278                 }
4279
4280                 $feed_id = getArticleFeed($link, $id);
4281                 ccache_update($link, $feed_id, $_SESSION["uid"]);
4282         }
4283
4284         function make_guid_from_title($title) {
4285                 return preg_replace("/[ \"\',.:;]/", "-",
4286                         mb_strtolower(strip_tags($title), 'utf-8'));
4287         }
4288
4289         function format_headline_subtoolbar($link, $feed_site_url, $feed_title,
4290                         $feed_id, $is_cat, $search, $match_on,
4291                         $search_mode, $view_mode, $error) {
4292
4293                 $page_prev_link = "viewFeedGoPage(-1)";
4294                 $page_next_link = "viewFeedGoPage(1)";
4295                 $page_first_link = "viewFeedGoPage(0)";
4296
4297                 $catchup_page_link = "catchupPage()";
4298                 $catchup_feed_link = "catchupCurrentFeed()";
4299                 $catchup_sel_link = "catchupSelection()";
4300
4301                 $archive_sel_link = "archiveSelection()";
4302                 $delete_sel_link = "deleteSelection()";
4303
4304                 $sel_all_link = "selectArticles('all')";
4305                 $sel_unread_link = "selectArticles('unread')";
4306                 $sel_none_link = "selectArticles('none')";
4307                 $sel_inv_link = "selectArticles('invert')";
4308
4309                 $tog_unread_link = "selectionToggleUnread()";
4310                 $tog_marked_link = "selectionToggleMarked()";
4311                 $tog_published_link = "selectionTogglePublished()";
4312
4313                 $reply = "<div id=\"subtoolbar_main\">";
4314
4315                 $reply .= __('Select:')."
4316                         <a href=\"#\" onclick=\"$sel_all_link\">".__('All')."</a>,
4317                         <a href=\"#\" onclick=\"$sel_unread_link\">".__('Unread')."</a>,
4318                         <a href=\"#\" onclick=\"$sel_inv_link\">".__('Invert')."</a>,
4319                         <a href=\"#\" onclick=\"$sel_none_link\">".__('None')."</a></li>";
4320
4321                 $reply .= " ";
4322
4323                 $reply .= "<select dojoType=\"dijit.form.Select\"
4324                         onchange=\"headlineActionsChange(this)\">";
4325                 $reply .= "<option value=\"false\">".__('Actions...')."</option>";
4326
4327                 $reply .= "<option value=\"0\" disabled=\"1\">".__('Selection toggle:')."</option>";
4328
4329                 $reply .= "<option value=\"$tog_unread_link\">".__('Unread')."</option>
4330                         <option value=\"$tog_marked_link\">".__('Starred')."</option>
4331                         <option value=\"$tog_published_link\">".__('Published')."</option>";
4332
4333                 $reply .= "<option value=\"0\" disabled=\"1\">".__('Selection:')."</option>";
4334
4335                 $reply .= "<option value=\"$catchup_sel_link\">".__('Mark as read')."</option>";
4336
4337                 if ($feed_id != "0") {
4338                         $reply .= "<option value=\"$archive_sel_link\">".__('Archive')."</option>";
4339                 } else {
4340                         $reply .= "<option value=\"$archive_sel_link\">".__('Move back')."</option>";
4341                         $reply .= "<option value=\"$delete_sel_link\">".__('Delete')."</option>";
4342
4343                 }
4344
4345                 $reply .= "<option value=\"emailArticle(false)\">".__('Forward by email').
4346                         "</option>";
4347
4348                 if ($is_cat) $cat_q = "&is_cat=$is_cat";
4349
4350                 if ($search) {
4351                         $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4352                 } else {
4353                         $search_q = "";
4354                 }
4355
4356                 $rss_link = htmlspecialchars(get_self_url_prefix() .
4357                         "/backend.php?op=rss&id=$feed_id$cat_q$search_q");
4358
4359                 $reply .= "<option value=\"0\" disabled=\"1\">".__('Feed:')."</option>";
4360
4361                 $reply .= "<option value=\"catchupPage()\">".__('Mark as read')."</option>";
4362
4363                 $reply .= "<option value=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">".__('View as RSS')."</option>";
4364
4365                 $reply .= "</select>";
4366
4367                 $reply .= "</div>";
4368
4369                 $reply .= "<div id=\"subtoolbar_ftitle\">";
4370
4371                 if ($feed_site_url) {
4372                         $target = "target=\"_blank\"";
4373                         $reply .= "<a title=\"".__("Visit the website")."\" $target href=\"$feed_site_url\">".
4374                                 truncate_string($feed_title,30)."</a>";
4375
4376                         if ($error) {
4377                                 $reply .= " (<span class=\"error\" title=\"$error\">Error</span>)";
4378                         }
4379
4380                 } else {
4381                         if ($feed_id < -10) {
4382                                 $label_id = -11-$feed_id;
4383
4384                                 $result = db_query($link, "SELECT fg_color, bg_color
4385                                         FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
4386                                         $_SESSION["uid"]);
4387
4388                                 if (db_num_rows($result) != 0) {
4389                                         $fg_color = db_fetch_result($result, 0, "fg_color");
4390                                         $bg_color = db_fetch_result($result, 0, "bg_color");
4391
4392                                         $reply .= "<span style=\"background : $bg_color; color : $fg_color\" >";
4393                                         $reply .= $feed_title;
4394                                         $reply .= "</span>";
4395                                 } else {
4396                                         $reply .= $feed_title;
4397                                 }
4398
4399                         } else {
4400                                 $reply .= $feed_title;
4401                         }
4402                 }
4403
4404                 $reply .= "
4405                         <a href=\"#\"
4406                                 title=\"".__("View as RSS feed")."\"
4407                                 onclick=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">
4408                                 <img class=\"noborder\" style=\"vertical-align : middle\" src=\"images/feed-icon-12x12.png\"></a>";
4409
4410                 $reply .= "</div>";
4411
4412                 return $reply;
4413         }
4414
4415         function outputFeedList($link, $special = true) {
4416
4417                 $feedlist = array();
4418
4419                 $enable_cats = get_pref($link, 'ENABLE_FEED_CATS');
4420
4421                 $feedlist['identifier'] = 'id';
4422                 $feedlist['label'] = 'name';
4423                 $feedlist['items'] = array();
4424
4425                 $owner_uid = $_SESSION["uid"];
4426
4427                 /* virtual feeds */
4428
4429                 if ($special) {
4430
4431                         if ($enable_cats) {
4432                                 $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4433                                 $cat = feedlist_init_cat($link, -1, $cat_hidden);
4434                         } else {
4435                                 $cat['items'] = array();
4436                         }
4437
4438                         foreach (array(-4, -3, -1, -2, 0) as $i) {
4439                                 array_push($cat['items'], feedlist_init_feed($link, $i));
4440                         }
4441
4442                         if ($enable_cats) {
4443                                 array_push($feedlist['items'], $cat);
4444                         } else {
4445                                 $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4446                         }
4447
4448                         $result = db_query($link, "SELECT * FROM
4449                                 ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4450
4451                         if (db_num_rows($result) > 0) {
4452
4453                                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4454                                         $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
4455                                         $cat = feedlist_init_cat($link, -2, $cat_hidden);
4456                                 } else {
4457                                         $cat['items'] = array();
4458                                 }
4459
4460                                 while ($line = db_fetch_assoc($result)) {
4461
4462                                         $label_id = -$line['id'] - 11;
4463                                         $count = getFeedUnread($link, $label_id);
4464
4465                                         $feed = feedlist_init_feed($link, $label_id, false, $count);
4466
4467                                         $feed['fg_color'] = $line['fg_color'];
4468                                         $feed['bg_color'] = $line['bg_color'];
4469
4470                                         array_push($cat['items'], $feed);
4471                                 }
4472
4473                                 if ($enable_cats) {
4474                                         array_push($feedlist['items'], $cat);
4475                                 } else {
4476                                         $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4477                                 }
4478                         }
4479                 }
4480
4481 /*              if (get_pref($link, 'ENABLE_FEED_CATS')) {
4482                         if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4483                                 $order_by_qpart = "order_id,category,unread DESC,title";
4484                         } else {
4485                                 $order_by_qpart = "order_id,category,title";
4486                         }
4487                 } else {
4488                         if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4489                                 $order_by_qpart = "unread DESC,title";
4490                         } else {
4491                                 $order_by_qpart = "title";
4492                         }
4493                 } */
4494
4495                 /* real feeds */
4496
4497                 if ($enable_cats)
4498                         $order_by_qpart = "ttrss_feed_categories.order_id,category,
4499                                 ttrss_feeds.order_id,title";
4500                 else
4501                         $order_by_qpart = "title";
4502
4503                 $age_qpart = getMaxAgeSubquery();
4504
4505                 $query = "SELECT ttrss_feeds.id, ttrss_feeds.title,
4506                         ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4507                         cat_id,last_error,
4508                         ttrss_feed_categories.title AS category,
4509                         ttrss_feed_categories.collapsed,
4510                         value AS unread
4511                         FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4512                                 ON (ttrss_feed_categories.id = cat_id)
4513                         LEFT JOIN ttrss_counters_cache
4514                                 ON
4515                                         (ttrss_feeds.id = feed_id)
4516                         WHERE
4517                                 ttrss_feeds.owner_uid = '$owner_uid'
4518                         ORDER BY $order_by_qpart";
4519
4520                 $result = db_query($link, $query);
4521
4522                 $actid = $_REQUEST["actid"];
4523
4524                 if (db_num_rows($result) > 0) {
4525
4526                         $category = "";
4527
4528                         if (!$enable_cats)
4529                                 $cat['items'] = array();
4530                         else
4531                                 $cat = false;
4532
4533                         while ($line = db_fetch_assoc($result)) {
4534
4535                                 $feed = htmlspecialchars(trim($line["title"]));
4536
4537                                 if (!$feed) $feed = "[Untitled]";
4538
4539                                 $feed_id = $line["id"];
4540                                 $unread = $line["unread"];
4541
4542                                 $cat_id = $line["cat_id"];
4543                                 $tmp_category = $line["category"];
4544                                 if (!$tmp_category) $tmp_category = __("Uncategorized");
4545
4546                                 if ($category != $tmp_category && $enable_cats) {
4547
4548                                         $category = $tmp_category;
4549
4550                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4551
4552                                         // workaround for NULL category
4553                                         if ($category == __("Uncategorized")) {
4554                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4555                                         }
4556
4557                                         if ($cat) array_push($feedlist['items'], $cat);
4558
4559                                         $cat = feedlist_init_cat($link, $cat_id, $collapsed);
4560                                 }
4561
4562                                 $updated = make_local_datetime($link, $line["updated_noms"], false);
4563
4564                                 array_push($cat['items'], feedlist_init_feed($link, $feed_id,
4565                                         $feed, $unread, $line['last_error'], $updated));
4566                         }
4567
4568                         if ($enable_cats) {
4569                                 array_push($feedlist['items'], $cat);
4570                         } else {
4571                                 $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4572                         }
4573
4574                 }
4575
4576                 return $feedlist;
4577         }
4578
4579         function get_article_tags($link, $id, $owner_uid = 0) {
4580
4581                 global $memcache;
4582
4583                 $a_id = db_escape_string($id);
4584
4585                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4586
4587                 $query = "SELECT DISTINCT tag_name,
4588                         owner_uid as owner FROM
4589                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4590                         ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
4591
4592                 $obj_id = md5("TAGS:$owner_uid:$id");
4593                 $tags = array();
4594
4595                 if ($memcache && $obj = $memcache->get($obj_id)) {
4596                         $tags = $obj;
4597                 } else {
4598                         /* check cache first */
4599
4600                         $result = db_query($link, "SELECT tag_cache FROM ttrss_user_entries
4601                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4602
4603                         $tag_cache = db_fetch_result($result, 0, "tag_cache");
4604
4605                         if ($tag_cache) {
4606                                 $tags = explode(",", $tag_cache);
4607                         } else {
4608
4609                                 /* do it the hard way */
4610
4611                                 $tmp_result = db_query($link, $query);
4612
4613                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4614                                         array_push($tags, $tmp_line["tag_name"]);
4615                                 }
4616
4617                                 /* update the cache */
4618
4619                                 $tags_str = db_escape_string(join(",", $tags));
4620
4621                                 db_query($link, "UPDATE ttrss_user_entries
4622                                         SET tag_cache = '$tags_str' WHERE ref_id = '$id'
4623                                         AND owner_uid = " . $_SESSION["uid"]);
4624                         }
4625
4626                         if ($memcache) $memcache->add($obj_id, $tags, 0, 3600);
4627                 }
4628
4629                 return $tags;
4630         }
4631
4632         function trim_value(&$value) {
4633                 $value = trim($value);
4634         }
4635
4636         function trim_array($array) {
4637                 $tmp = $array;
4638                 array_walk($tmp, 'trim_value');
4639                 return $tmp;
4640         }
4641
4642         function tag_is_valid($tag) {
4643                 if ($tag == '') return false;
4644                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4645                 if (mb_strlen($tag) > 250) return false;
4646
4647                 if (function_exists('iconv')) {
4648                         $tag = iconv("utf-8", "utf-8", $tag);
4649                 }
4650
4651                 if (!$tag) return false;
4652
4653                 return true;
4654         }
4655
4656         function render_login_form($link, $mobile = 0) {
4657                 switch ($mobile) {
4658                 case 0:
4659                         require_once "login_form.php";
4660                         break;
4661                 case 1:
4662                         require_once "mobile/login_form.php";
4663                         break;
4664                 case 2:
4665                         require_once "mobile/classic/login_form.php";
4666                 }
4667         }
4668
4669         // from http://developer.apple.com/internet/safari/faq.html
4670         function no_cache_incantation() {
4671                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4672                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4673                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4674                 header("Cache-Control: post-check=0, pre-check=0", false);
4675                 header("Pragma: no-cache"); // HTTP/1.0
4676         }
4677
4678         function format_warning($msg, $id = "") {
4679                 global $link;
4680                 return "<div class=\"warning\" id=\"$id\">
4681                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4682         }
4683
4684         function format_notice($msg, $id = "") {
4685                 global $link;
4686                 return "<div class=\"notice\" id=\"$id\">
4687                         <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
4688         }
4689
4690         function format_error($msg, $id = "") {
4691                 global $link;
4692                 return "<div class=\"error\" id=\"$id\">
4693                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4694         }
4695
4696         function print_notice($msg) {
4697                 return print format_notice($msg);
4698         }
4699
4700         function print_warning($msg) {
4701                 return print format_warning($msg);
4702         }
4703
4704         function print_error($msg) {
4705                 return print format_error($msg);
4706         }
4707
4708
4709         function T_sprintf() {
4710                 $args = func_get_args();
4711                 return vsprintf(__(array_shift($args)), $args);
4712         }
4713
4714         function format_inline_player($link, $url, $ctype) {
4715
4716                 $entry = "";
4717
4718                 if (strpos($ctype, "audio/") === 0) {
4719
4720                         if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
4721                                 strpos($_SERVER['HTTP_USER_AGENT'], "Chrome") !== false ||
4722                                 strpos($_SERVER['HTTP_USER_AGENT'], "Safari") !== false )) {
4723
4724                                 $id = 'AUDIO-' . uniqid();
4725
4726                                 $entry .= "<audio id=\"$id\"\">
4727                                         <source src=\"$url\"></source>
4728                                         </audio>";
4729
4730                                 $entry .= "<span onclick=\"player(this)\"
4731                                         title=\"".__("Click to play")."\" status=\"0\"
4732                                         class=\"player\" audio-id=\"$id\">".__("Play")."</span>";
4733
4734                         } else {
4735
4736                                 $entry .= "<object type=\"application/x-shockwave-flash\"
4737                                         data=\"lib/button/musicplayer.swf?song_url=$url\"
4738                                         width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
4739                                         <param name=\"movie\"
4740                                                 value=\"lib/button/musicplayer.swf?song_url=$url\" />
4741                                         </object>";
4742                         }
4743                 }
4744
4745                 $filename = substr($url, strrpos($url, "/")+1);
4746
4747                 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4748                         $filename . " (" . $ctype . ")" . "</a>";
4749
4750                 return $entry;
4751         }
4752
4753         function format_article($link, $id, $mark_as_read = true, $zoom_mode = false) {
4754
4755                 $rv = array();
4756
4757                 $rv['id'] = $id;
4758
4759                 /* we can figure out feed_id from article id anyway, why do we
4760                  * pass feed_id here? let's ignore the argument :( */
4761
4762                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4763                         WHERE ref_id = '$id'");
4764
4765                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4766
4767                 $rv['feed_id'] = $feed_id;
4768
4769                 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4770
4771                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4772                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4773
4774                 if (db_num_rows($result) == 1) {
4775                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4776                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4777                 } else {
4778                         $rtl_content = false;
4779                         $always_display_enclosures = false;
4780                 }
4781
4782                 if ($rtl_content) {
4783                         $rtl_tag = "dir=\"RTL\"";
4784                         $rtl_class = "RTL";
4785                 } else {
4786                         $rtl_tag = "";
4787                         $rtl_class = "";
4788                 }
4789
4790                 if ($mark_as_read) {
4791                         $result = db_query($link, "UPDATE ttrss_user_entries
4792                                 SET unread = false,last_read = NOW()
4793                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4794
4795                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4796                 }
4797
4798                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4799                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4800                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4801                         (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
4802                         num_comments,
4803                         author,
4804                         orig_feed_id,
4805                         note
4806                         FROM ttrss_entries,ttrss_user_entries
4807                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4808
4809                 if ($result) {
4810
4811                         $line = db_fetch_assoc($result);
4812
4813                         if ($line["icon_url"]) {
4814                                 $feed_icon = "<img src=\"" . $line["icon_url"] . "\">";
4815                         } else {
4816                                 $feed_icon = "&nbsp;";
4817                         }
4818
4819                         $feed_site_url = $line['site_url'];
4820
4821                         $num_comments = $line["num_comments"];
4822                         $entry_comments = "";
4823
4824                         if ($num_comments > 0) {
4825                                 if ($line["comments"]) {
4826                                         $comments_url = $line["comments"];
4827                                 } else {
4828                                         $comments_url = $line["link"];
4829                                 }
4830                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
4831                         } else {
4832                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4833                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
4834                                 }
4835                         }
4836
4837                         if ($zoom_mode) {
4838                                 header("Content-Type: text/html");
4839                                 $rv['content'] .= "<html><head>
4840                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4841                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4842                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4843                                         </head><body>";
4844                         }
4845
4846                         $rv['content'] .= "<div id=\"PTITLE-$id\" style=\"display : none\">" .
4847                                 truncate_string(strip_tags($line['title']), 15) . "</div>";
4848
4849                         $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
4850
4851                         $rv['content'] .= "<div onclick=\"return postClicked(event, $id)\"
4852                                 class=\"postHeader\" id=\"POSTHDR-$id\">";
4853
4854                         $entry_author = $line["author"];
4855
4856                         if ($entry_author) {
4857                                 $entry_author = __(" - ") . $entry_author;
4858                         }
4859
4860                         $parsed_updated = make_local_datetime($link, $line["updated"], true,
4861                                 false, true);
4862
4863                         $rv['content'] .= "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4864
4865                         if ($line["link"]) {
4866                                 $rv['content'] .= "<div clear='both'><a target='_blank'
4867                                         title=\"".htmlspecialchars($line['title'])."\"
4868                                         href=\"" .
4869                                         $line["link"] . "\">" .
4870                                         truncate_string($line["title"], 100) .
4871                                         "<span class='author'>$entry_author</span></a></div>";
4872                         } else {
4873                                 $rv['content'] .= "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4874                         }
4875
4876                         $tags = get_article_tags($link, $id);
4877                         $tags_str = format_tags_string($tags, $id);
4878                         $tags_str_full = join(", ", $tags);
4879
4880                         if (!$tags_str_full) $tags_str_full = __("no tags");
4881
4882                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4883
4884                         $rv['content'] .= "<div style='float : right'>
4885                                 <img src='".theme_image($link, 'images/tag.png')."'
4886                                 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4887
4888                         if (!$zoom_mode) {
4889                                 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
4890                                         <a title=\"".__('Edit tags for this article')."\"
4891                                         href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
4892
4893                                 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
4894                                         id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
4895                                         position=\"below\">$tags_str_full</div>";
4896
4897                                 $rv['content'] .= "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
4898                                                 class='tagsPic' style=\"cursor : pointer\"
4899                                                 onclick=\"postOpenInNewTab(event, $id)\"
4900                                                 alt='Zoom' title='".__('Open article in new tab')."'>";
4901
4902                                 //$note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4903
4904                                 $rv['content'] .= "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\"
4905                                                 class='tagsPic' style=\"cursor : pointer\"
4906                                                 onclick=\"editArticleNote($id)\"
4907                                                 alt='PubNote' title='".__('Edit article note')."'>";
4908
4909                                 if (DIGEST_ENABLE) {
4910                                         $rv['content'] .= "<img src=\"".theme_image($link, 'images/art-email.png')."\"
4911                                                 class='tagsPic' style=\"cursor : pointer\"
4912                                                 onclick=\"emailArticle($id)\"
4913                                                 alt='Zoom' title='".__('Forward by email')."'>";
4914                                 }
4915
4916                                 if (ENABLE_TWEET_BUTTON) {
4917                                         $rv['content'] .= "<img src=\"".theme_image($link, 'images/art-tweet.png')."\"
4918                                                         class='tagsPic' style=\"cursor : pointer\"
4919                                                         onclick=\"tweetArticle($id)\"
4920                                                         alt='Zoom' title='".__('Share on Twitter')."'>";
4921                                 }
4922
4923                                 $rv['content'] .= "<img src=\"".theme_image($link, 'images/digest_checkbox.png')."\"
4924                                                 class='tagsPic' style=\"cursor : pointer\"
4925                                                 onclick=\"closeArticlePanel($id)\"
4926                                                 alt='Zoom' title='".__('Close this panel')."'>";
4927
4928                         } else {
4929                                 $tags_str = strip_tags($tags_str);
4930                                 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
4931                         }
4932                         $rv['content'] .= "</div>";
4933                         $rv['content'] .= "<div clear='both'>$entry_comments</div>";
4934
4935                         if ($line["orig_feed_id"]) {
4936
4937                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
4938                                         WHERE id = ".$line["orig_feed_id"]);
4939
4940                                 if (db_num_rows($tmp_result) != 0) {
4941
4942                                         $rv['content'] .= "<div clear='both'>";
4943                                         $rv['content'] .= __("Originally from:");
4944
4945                                         $rv['content'] .= "&nbsp;";
4946
4947                                         $tmp_line = db_fetch_assoc($tmp_result);
4948
4949                                         $rv['content'] .= "<a target='_blank'
4950                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
4951                                                 $tmp_line['title'] . "</a>";
4952
4953                                         $rv['content'] .= "&nbsp;";
4954
4955                                         $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
4956                                         $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
4957
4958                                         $rv['content'] .= "</div>";
4959                                 }
4960                         }
4961
4962                         $rv['content'] .= "</div>";
4963
4964                         $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
4965                                 if ($line['note']) {
4966                                         $rv['content'] .= format_article_note($id, $line['note']);
4967                                 }
4968                         $rv['content'] .= "</div>";
4969
4970                         $rv['content'] .= "<div class=\"postIcon\">" .
4971                                 "<a target=\"_blank\" title=\"".__("Visit the website")."\"$
4972                                 href=\"".htmlspecialchars($feed_site_url)."\">".
4973                                 $feed_icon . "</a></div>";
4974
4975                         $rv['content'] .= "<div class=\"postContent\">";
4976
4977                         $article_content = sanitize_rss($link, $line["content"], false, false,
4978                                 $feed_site_url);
4979
4980                         $rv['content'] .= $article_content;
4981
4982                         $rv['content'] .= format_article_enclosures($link, $id,
4983                                 $always_display_enclosures, $article_content);
4984
4985                         $rv['content'] .= "</div>";
4986
4987                         $rv['content'] .= "</div>";
4988
4989                 }
4990
4991                 if ($zoom_mode) {
4992                         $rv['content'] .= "
4993                                 <div style=\"text-align : center\">
4994                                 <button onclick=\"return window.close()\">".
4995                                         __("Close this window")."</button></div>";
4996                         $rv['content'] .= "</body></html>";
4997                 }
4998
4999                 return $rv;
5000
5001         }
5002
5003         function format_headlines_list($link, $feed, $subop, $view_mode, $limit, $cat_view,
5004                                         $next_unread_feed, $offset, $vgr_last_feed = false,
5005                                         $override_order = false) {
5006
5007                 $disable_cache = false;
5008
5009                 $reply = array();
5010
5011                 $timing_info = getmicrotime();
5012
5013                 $topmost_article_ids = array();
5014
5015                 if (!$offset) $offset = 0;
5016                 if ($subop == "undefined") $subop = "";
5017
5018                 $subop_split = explode(":", $subop);
5019
5020 /*              if ($subop == "CatchupSelected") {
5021                         $ids = explode(",", db_escape_string($_REQUEST["ids"]));
5022                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
5023
5024                         catchupArticlesById($link, $ids, $cmode);
5025                 } */
5026
5027                 if ($subop == "ForceUpdate" && $feed && is_numeric($feed) > 0) {
5028                         update_rss_feed($link, $feed, true);
5029                 }
5030
5031                 if ($subop == "MarkAllRead")  {
5032                         catchup_feed($link, $feed, $cat_view);
5033
5034                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
5035                                 if ($next_unread_feed) {
5036                                         $feed = $next_unread_feed;
5037                                 }
5038                         }
5039                 }
5040
5041                 if ($subop_split[0] == "MarkAllReadGR")  {
5042                         catchup_feed($link, $subop_split[1], false);
5043                 }
5044
5045                 // FIXME: might break tag display?
5046
5047                 if (is_numeric($feed) && $feed > 0 && !$cat_view) {
5048                         $result = db_query($link,
5049                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
5050
5051                         if (db_num_rows($result) == 0) {
5052                                 $reply['content'] = "<div align='center'>".__('Feed not found.')."</div>";
5053                         }
5054                 }
5055
5056                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
5057
5058                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
5059                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
5060
5061                         if (db_num_rows($result) == 1) {
5062                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
5063                         } else {
5064                                 $rtl_content = false;
5065                         }
5066
5067                         if ($rtl_content) {
5068                                 $rtl_tag = "dir=\"RTL\"";
5069                         } else {
5070                                 $rtl_tag = "";
5071                         }
5072                 } else {
5073                         $rtl_tag = "";
5074                         $rtl_content = false;
5075                 }
5076
5077                 @$search = db_escape_string($_REQUEST["query"]);
5078
5079                 if ($search) {
5080                         $disable_cache = true;
5081                 }
5082
5083                 @$search_mode = db_escape_string($_REQUEST["search_mode"]);
5084                 @$match_on = db_escape_string($_REQUEST["match_on"]);
5085
5086                 if (!$match_on) {
5087                         $match_on = "both";
5088                 }
5089
5090                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
5091
5092 //              error_log("format_headlines_list: [" . $feed . "] subop [" . $subop . "]");
5093                 if( $search_mode == '' && $subop != '' ){
5094                     $search_mode = $subop;
5095                 }
5096 //              error_log("search_mode: " . $search_mode);
5097                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
5098                         $search, $search_mode, $match_on, $override_order, $offset);
5099
5100                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
5101
5102                 $result = $qfh_ret[0];
5103                 $feed_title = $qfh_ret[1];
5104                 $feed_site_url = $qfh_ret[2];
5105                 $last_error = $qfh_ret[3];
5106
5107                 $vgroup_last_feed = $vgr_last_feed;
5108
5109 //              if (!$offset) {
5110
5111                         if (db_num_rows($result) > 0) {
5112                                 $reply['toolbar'] = format_headline_subtoolbar($link, $feed_site_url,
5113                                         $feed_title,
5114                                         $feed, $cat_view, $search, $match_on, $search_mode, $view_mode,
5115                                         $last_error);
5116                         }
5117 //              }
5118
5119                 $headlines_count = db_num_rows($result);
5120
5121                 if (db_num_rows($result) > 0) {
5122
5123                         $lnum = $offset;
5124
5125                         $num_unread = 0;
5126                         $cur_feed_title = '';
5127
5128                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
5129
5130                         if ($_REQUEST["debug"]) $timing_info = print_checkpoint("PS", $timing_info);
5131
5132                         while ($line = db_fetch_assoc($result)) {
5133
5134                                 $class = ($lnum % 2) ? "even" : "odd";
5135
5136                                 $id = $line["id"];
5137                                 $feed_id = $line["feed_id"];
5138
5139                                 $labels = get_article_labels($link, $id);
5140
5141                                 $labels_str = "<span id=\"HLLCTR-$id\">";
5142                                 $labels_str .= format_article_labels($labels, $id);
5143                                 $labels_str .= "</span>";
5144
5145                                 if (count($topmost_article_ids) < 3) {
5146                                         array_push($topmost_article_ids, $id);
5147                                 }
5148
5149                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
5150
5151                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5152                                                 theme_image($link, 'images/updated.png')."\"
5153                                                 alt=\"Updated\">";
5154                                 } else {
5155                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
5156                                                 alt=\"Updated\">";
5157                                 }
5158
5159                                 if (sql_bool_to_bool($line["unread"]) &&
5160                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
5161
5162                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5163                                                 theme_image($link, 'images/fresh_sign.png')."\" alt=\"Fresh\">";
5164                                 }
5165
5166                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
5167                                         $class .= " Unread";
5168                                         ++$num_unread;
5169                                         $is_unread = true;
5170                                 } else {
5171                                         $is_unread = false;
5172                                 }
5173
5174                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
5175                                         $marked_pic = "<img id=\"FMPIC-$id\"
5176                                                 src=\"".theme_image($link, 'images/mark_set.png')."\"
5177                                                 class=\"markedPic\" alt=\"Unstar article\"
5178                                                 onclick='javascript:tMark($id)'>";
5179                                 } else {
5180                                         $marked_pic = "<img id=\"FMPIC-$id\"
5181                                                 src=\"".theme_image($link, 'images/mark_unset.png')."\"
5182                                                 class=\"markedPic\" alt=\"Star article\"
5183                                                 onclick='javascript:tMark($id)'>";
5184                                 }
5185
5186                                 if ($line["published"] == "t" || $line["published"] == "1") {
5187                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
5188                                                 'images/pub_set.png')."\"
5189                                                 class=\"markedPic\"
5190                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
5191                                 } else {
5192                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
5193                                                 'images/pub_unset.png')."\"
5194                                                 class=\"markedPic\"
5195                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
5196                                 }
5197
5198 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
5199 #                                       $line["title"] . "</a>";
5200
5201 #                               $content_link = "<a
5202 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
5203 #                                       onclick=\"view($id,$feed_id);\">" .
5204 #                                       $line["title"] . "</a>";
5205
5206 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
5207 #                                       $line["title"] . "</a>";
5208
5209                                 $updated_fmt = make_local_datetime($link, $line["updated_noms"], false);
5210
5211                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5212                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
5213                                                 100);
5214                                 }
5215
5216                                 $score = $line["score"];
5217
5218                                 $score_pic = theme_image($link,
5219                                         "images/" . get_score_pic($score));
5220
5221 /*                              $score_title = __("(Click to change)");
5222                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5223                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
5224
5225                                 $score_pic = "<img class='hlScorePic' src=\"$score_pic\"
5226                                         title=\"$score\">";
5227
5228                                 if ($score > 500) {
5229                                         $hlc_suffix = "H";
5230                                 } else if ($score < -100) {
5231                                         $hlc_suffix = "L";
5232                                 } else {
5233                                         $hlc_suffix = "";
5234                                 }
5235
5236                                 $entry_author = $line["author"];
5237
5238                                 if ($entry_author) {
5239                                         $entry_author = " - $entry_author";
5240                                 }
5241
5242                                 $has_feed_icon = feed_has_icon($feed_id);
5243
5244                                 if ($has_feed_icon) {
5245                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5246                                 } else {
5247                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/feed-icon-12x12.png\" alt=\"\">";
5248                                 }
5249
5250                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5251
5252                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5253                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5254
5255                                                         $cur_feed_title = $line["feed_title"];
5256                                                         $vgroup_last_feed = $feed_id;
5257
5258                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5259
5260                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5261
5262                                                         $reply['content'] .= "<div class='cdmFeedTitle'>".
5263                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5264                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5265                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5266
5267                                                 }
5268                                         }
5269
5270                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5271                                                 onmouseout='postMouseOut($id)'";
5272
5273                                         $reply['content'] .= "<div class='$class' id='RROW-$id' $mouseover_attrs>";
5274
5275                                         $reply['content'] .= "<div class='hlUpdPic'>$update_pic</div>";
5276
5277                                         $reply['content'] .= "<div class='hlLeft'>";
5278
5279                                         $reply['content'] .= "<input type=\"checkbox\" onclick=\"tSR(this)\"
5280                                                         id=\"RCHK-$id\">";
5281
5282                                         $reply['content'] .= "$marked_pic";
5283                                         $reply['content'] .= "$published_pic";
5284
5285                                         $reply['content'] .= "</div>";
5286
5287                                         $reply['content'] .= "<div onclick='return hlClicked(event, $id)'
5288                                                 class=\"hlTitle\"><span class='hlContent$hlc_suffix'>";
5289                                         $reply['content'] .= "<a id=\"RTITLE-$id\"
5290                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5291                                                 onclick=\"\">" .
5292                                                 $line["title"];
5293
5294                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5295                                                 if ($content_preview) {
5296                                                         $reply['content'] .= "<span class=\"contentPreview\"> - $content_preview</span>";
5297                                                 }
5298                                         }
5299
5300                                         $reply['content'] .= "</a></span>";
5301
5302                                         $reply['content'] .= $labels_str;
5303
5304                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED') &&
5305                                                 defined('_SHOW_FEED_TITLE_IN_VFEEDS')) {
5306                                                 if (@$line["feed_title"]) {
5307                                                         $reply['content'] .= "<span class=\"hlFeed\">
5308                                                                 (<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5309                                                                 $line["feed_title"]."</a>)
5310                                                         </span>";
5311                                                 }
5312                                         }
5313
5314                                         $reply['content'] .= "</div>";
5315
5316                                         $reply['content'] .= "<span class=\"hlUpdated\">$updated_fmt</span>";
5317                                         $reply['content'] .= "<div class=\"hlRight\">";
5318
5319                                         $reply['content'] .= $score_pic;
5320
5321                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5322
5323                                                 $reply['content'] .= "<span onclick=\"viewfeed($feed_id)\"
5324                                                         style=\"cursor : pointer\"
5325                                                         title=\"".htmlspecialchars($line['feed_title'])."\">
5326                                                         $feed_icon_img<span>";
5327                                         }
5328
5329                                         $reply['content'] .= "</div>";
5330                                         $reply['content'] .= "</div>";
5331
5332                                 } else {
5333
5334                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5335                                                 if ($feed_id != $vgroup_last_feed) {
5336
5337                                                         $cur_feed_title = $line["feed_title"];
5338                                                         $vgroup_last_feed = $feed_id;
5339
5340                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5341
5342                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5343
5344                                                         $has_feed_icon = feed_has_icon($feed_id);
5345
5346                                                         if ($has_feed_icon) {
5347                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5348                                                         } else {
5349                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5350                                                         }
5351
5352                                                         $reply['content'] .= "<div class='cdmFeedTitle'>".
5353                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5354                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5355                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5356                                                 }
5357                                         }
5358
5359                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5360
5361                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5362                                                 onmouseout='postMouseOut($id)'";
5363
5364                                         $reply['content'] .= "<div class=\"$class\"
5365                                                 id=\"RROW-$id\" $mouseover_attrs'>";
5366
5367                                         $reply['content'] .= "<div class=\"cdmHeader\">";
5368
5369                                         $reply['content'] .= "<div style='float : right'>";
5370                                         $reply['content'] .= "<span class='updated'>$updated_fmt</span>";
5371                                         $reply['content'] .= "$score_pic";
5372
5373                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") && $line["feed_title"]) {
5374                                                 $reply['content'] .= "<span style=\"cursor : pointer\"
5375                                                         title=\"".htmlspecialchars($line["feed_title"])."\"
5376                                                         onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5377                                         }
5378                                         $reply['content'] .= "<div class=\"updPic\">$update_pic</div>";
5379
5380                                         $reply['content'] .= "</div>";
5381
5382                                         $reply['content'] .= "<input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5383                                                         'RROW-$id')\" id=\"RCHK-$id\"/>";
5384
5385                                         $reply['content'] .= "$marked_pic";
5386                                         $reply['content'] .= "$published_pic";
5387
5388                                         $reply['content'] .= "<span id=\"RTITLE-$id\"
5389                                                 onclick=\"return cdmClicked(event, $id);\"
5390                                                 class=\"titleWrap$hlc_suffix\">
5391                                                 <a class=\"title\"
5392                                                 title=\"".htmlspecialchars($line['title'])."\"
5393                                                 target=\"_blank\" href=\"".
5394                                                 htmlspecialchars($line["link"])."\">".
5395                                                 truncate_string($line["title"], 100) .
5396                                                 " $entry_author</a>";
5397
5398                                         $reply['content'] .= $labels_str;
5399
5400                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED') &&
5401                                                 defined('_SHOW_FEED_TITLE_IN_VFEEDS')) {
5402                                                 if (@$line["feed_title"]) {
5403                                                         $reply['content'] .= "<span class=\"hlFeed\">
5404                                                                 (<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5405                                                                 $line["feed_title"]."</a>)
5406                                                         </span>";
5407                                                 }
5408                                         }
5409
5410                                         if (!$expand_cdm)
5411                                                 $content_hidden = "style=\"display : none\"";
5412                                         else
5413                                                 $excerpt_hidden = "style=\"display : none\"";
5414
5415                                         $reply['content'] .= "<span $excerpt_hidden
5416                                                 id=\"CEXC-$id\" class=\"cdmExcerpt\"> - $content_preview</span>";
5417
5418                                         $reply['content'] .= "</span>";
5419
5420                                         $reply['content'] .= "</div>";
5421
5422                                         $reply['content'] .= "<div class=\"cdmContent\" $content_hidden
5423                                                 onclick=\"return cdmClicked(event, $id);\"
5424                                                 id=\"CICD-$id\">";
5425
5426                                         $reply['content'] .= "<div class=\"cdmContentInner\">";
5427
5428                         if ($line["orig_feed_id"]) {
5429
5430                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
5431                                         WHERE id = ".$line["orig_feed_id"]);
5432
5433                                                 if (db_num_rows($tmp_result) != 0) {
5434
5435                                                         $reply['content'] .= "<div clear='both'>";
5436                                                         $reply['content'] .= __("Originally from:");
5437
5438                                                         $reply['content'] .= "&nbsp;";
5439
5440                                                         $tmp_line = db_fetch_assoc($tmp_result);
5441
5442                                                         $reply['content'] .= "<a target='_blank'
5443                                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
5444                                                                 $tmp_line['title'] . "</a>";
5445
5446                                                         $reply['content'] .= "&nbsp;";
5447
5448                                                         $reply['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
5449                                                         $reply['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
5450
5451                                                         $reply['content'] .= "</div>";
5452                                                 }
5453                                         }
5454
5455                                         // FIXME: make this less of a hack
5456
5457                                         $feed_site_url = false;
5458
5459                                         if ($line["feed_id"]) {
5460                                                 $tmp_result = db_query($link, "SELECT site_url FROM ttrss_feeds
5461                                                         WHERE id = " . $line["feed_id"]);
5462
5463                                                 if (db_num_rows($tmp_result) == 1) {
5464                                                         $feed_site_url = db_fetch_result($tmp_result, 0, "site_url");
5465                                                 }
5466                                         }
5467
5468                                         if ($expand_cdm) {
5469                                                 $article_content = sanitize_rss($link, $line["content_preview"],
5470                                                         false, false, $feed_site_url);
5471
5472                                                 if (!$article_content) $article_content = "&nbsp;";
5473                                         } else {
5474                                                 $article_content = '';
5475                                         }
5476
5477                                         $reply['content'] .= "<div id=\"POSTNOTE-$id\">";
5478                                         if ($line['note']) {
5479                                                 $reply['content'] .= format_article_note($id, $line['note']);
5480                                         }
5481                                         $reply['content'] .= "</div>";
5482
5483                                         $reply['content'] .= "<span id=\"CWRAP-$id\">$article_content</span>";
5484
5485                                         $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5486                                                 ttrss_feeds WHERE id = ".
5487                                                 (($line['feed_id'] == null) ? $line['orig_feed_id'] :
5488                                                                 $line['feed_id'])." AND owner_uid = ".$_SESSION["uid"]);
5489
5490                                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($tmp_result,
5491                                                 0, "always_display_enclosures"));
5492
5493                                         $reply['content'] .= format_article_enclosures($link, $id, $always_display_enclosures,
5494                                                 $article_content);
5495
5496                                         $reply['content'] .= "</div>";
5497
5498                                         $reply['content'] .= "<div class=\"cdmFooter\">";
5499
5500                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5501
5502                                         $reply['content'] .= "<img src='".theme_image($link,
5503                                                         'images/tag.png')."' alt='Tags' title='Tags'>
5504                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5505                                                 <a title=\"".__('Edit tags for this article')."\"
5506                                                 href=\"#\" onclick=\"editArticleTags($id, $feed_id, true)\">(+)</a>";
5507
5508                                         $reply['content'] .= "<div style=\"float : right\">";
5509
5510                                         $reply['content'] .= "<img src=\"images/art-zoom.png\"
5511                                                 onclick=\"zoomToArticle(event, $id)\"
5512                                                 style=\"cursor : pointer\"
5513                                                 alt='Zoom'
5514                                                 title='".__('Open article in new tab')."'>";
5515
5516                                         //$note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5517
5518                                         $reply['content'] .= "<img src=\"images/art-pub-note.png\"
5519                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5520                                                 onclick=\"editArticleNote($id)\"
5521                                                 alt='PubNote' title='".__('Edit article note')."'>";
5522
5523                                         if (DIGEST_ENABLE) {
5524                                                 $reply['content'] .= "<img src=\"".theme_image($link, 'images/art-email.png')."\"
5525                                                         style=\"cursor : pointer\"
5526                                                         onclick=\"emailArticle($id)\"
5527                                                         alt='Zoom' title='".__('Forward by email')."'>";
5528                                         }
5529
5530                                         if (ENABLE_TWEET_BUTTON) {
5531                                                 $reply['content'] .= "<img src=\"".theme_image($link, 'images/art-tweet.png')."\"
5532                                                         class='tagsPic' style=\"cursor : pointer\"
5533                                                         onclick=\"tweetArticle($id)\"
5534                                                         alt='Zoom' title='".__('Share on Twitter')."'>";
5535                                         }
5536
5537                                         $reply['content'] .= "<img src=\"images/digest_checkbox.png\"
5538                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5539                                                 onclick=\"dismissArticle($id)\"
5540                                                 alt='Dismiss' title='".__('Dismiss article')."'>";
5541
5542                                         $reply['content'] .= "</div>";
5543                                         $reply['content'] .= "</div>";
5544
5545                                         $reply['content'] .= "</div>";
5546
5547                                         $reply['content'] .= "</div>";
5548
5549                                 }
5550
5551                                 ++$lnum;
5552                         }
5553
5554                         if ($_REQUEST["debug"]) $timing_info = print_checkpoint("PE", $timing_info);
5555
5556                 } else {
5557                         $message = "";
5558
5559                         switch ($view_mode) {
5560                                 case "unread":
5561                                         $message = __("No unread articles found to display.");
5562                                         break;
5563                                 case "updated":
5564                                         $message = __("No updated articles found to display.");
5565                                         break;
5566                                 case "marked":
5567                                         $message = __("No starred articles found to display.");
5568                                         break;
5569                                 default:
5570                                         if ($feed < -10) {
5571                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5572                                         } else {
5573                                                 $message = __("No articles found to display.");
5574                                         }
5575                         }
5576
5577                         if (!$offset && $message) {
5578                                 $reply['content'] .= "<div class='whiteBox'>$message";
5579
5580                                 $reply['content'] .= "<p class=\"small\"><span class=\"insensitive\">";
5581
5582                                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
5583                                         WHERE owner_uid = " . $_SESSION['uid']);
5584
5585                                 $last_updated = db_fetch_result($result, 0, "last_updated");
5586                                 $last_updated = make_local_datetime($link, $last_updated, false);
5587
5588                                 $reply['content'] .= sprintf(__("Feeds last updated at %s"), $last_updated);
5589
5590                                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
5591                                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
5592
5593                                 $num_errors = db_fetch_result($result, 0, "num_errors");
5594
5595                                 if ($num_errors > 0) {
5596                                         $reply['content'] .= "<br/>";
5597                                         $reply['content'] .= "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
5598                                                 __('Some feeds have update errors (click for details)')."</a>";
5599                                 }
5600                                 $reply['content'] .= "</span></p></div>";
5601                         }
5602                 }
5603
5604                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H2", $timing_info);
5605
5606                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache,
5607                         $vgroup_last_feed, $reply);
5608         }
5609
5610 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5611
5612         function printTagCloud($link) {
5613
5614                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5615                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5616                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5617
5618                 $result = db_query($link, $query);
5619
5620                 $tags = array();
5621
5622                 while ($line = db_fetch_assoc($result)) {
5623                         $tags[$line["tag_name"]] = $line["count"];
5624                 }
5625
5626         if( count($tags) == 0 ){ return; }
5627
5628                 ksort($tags);
5629
5630                 $max_size = 32; // max font size in pixels
5631                 $min_size = 11; // min font size in pixels
5632
5633                 // largest and smallest array values
5634                 $max_qty = max(array_values($tags));
5635                 $min_qty = min(array_values($tags));
5636
5637                 // find the range of values
5638                 $spread = $max_qty - $min_qty;
5639                 if ($spread == 0) { // we don't want to divide by zero
5640                                 $spread = 1;
5641                 }
5642
5643                 // set the font-size increment
5644                 $step = ($max_size - $min_size) / ($spread);
5645
5646                 // loop through the tag array
5647                 foreach ($tags as $key => $value) {
5648                         // calculate font-size
5649                         // find the $value in excess of $min_qty
5650                         // multiply by the font-size increment ($size)
5651                         // and add the $min_size set above
5652                         $size = round($min_size + (($value - $min_qty) * $step));
5653
5654                         $key_escaped = str_replace("'", "\\'", $key);
5655
5656                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5657                                 $size . "px\" title=\"$value articles tagged with " .
5658                                 $key . '">' . $key . '</a> ';
5659                 }
5660         }
5661
5662         function print_checkpoint($n, $s) {
5663                 $ts = getmicrotime();
5664                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5665                 return $ts;
5666         }
5667
5668         function sanitize_tag($tag) {
5669                 $tag = trim($tag);
5670
5671                 $tag = mb_strtolower($tag, 'utf-8');
5672
5673                 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
5674
5675 //              $tag = str_replace('"', "", $tag);
5676 //              $tag = str_replace("+", " ", $tag);
5677                 $tag = str_replace("technorati tag: ", "", $tag);
5678
5679                 return $tag;
5680         }
5681
5682         function get_self_url_prefix() {
5683                 return SELF_URL_PATH;
5684         }
5685
5686         function opml_publish_url($link){
5687
5688                 $url_path = get_self_url_prefix();
5689                 $url_path .= "/opml.php?op=publish&key=" .
5690                         get_feed_access_key($link, 'OPML:Publish', false, $_SESSION["uid"]);
5691
5692                 return $url_path;
5693         }
5694
5695         /**
5696          * Purge a feed contents, marked articles excepted.
5697          *
5698          * @param mixed $link The database connection.
5699          * @param integer $id The id of the feed to purge.
5700          * @return void
5701          */
5702         function clear_feed_articles($link, $id) {
5703
5704                 if ($id != 0) {
5705                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5706                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5707                 } else {
5708                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5709                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5710                 }
5711
5712                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5713                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5714
5715                 ccache_update($link, $id, $_SESSION['uid']);
5716         } // function clear_feed_articles
5717
5718         /**
5719          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5720          *
5721          * @return string The Mozilla Firefox feed adding URL.
5722          */
5723         function add_feed_url() {
5724                 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5725
5726                 $url_path = get_self_url_prefix() .
5727                         "/backend.php?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5728                 return $url_path;
5729         } // function add_feed_url
5730
5731         /**
5732          * Encrypt a password in SHA1.
5733          *
5734          * @param string $pass The password to encrypt.
5735          * @param string $login A optionnal login.
5736          * @return string The encrypted password.
5737          */
5738         function encrypt_password($pass, $login = '') {
5739                 if ($login) {
5740                         return "SHA1X:" . sha1("$login:$pass");
5741                 } else {
5742                         return "SHA1:" . sha1($pass);
5743                 }
5744         } // function encrypt_password
5745
5746         /**
5747          * Update a feed batch.
5748          * Used by daemons to update n feeds by run.
5749          * Only update feed needing a update, and not being processed
5750          * by another process.
5751          *
5752          * @param mixed $link Database link
5753          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5754          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5755          * @param boolean $debug Set to false to disable debug output. Default to true.
5756          * @return void
5757          */
5758         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5759                 // Process all other feeds using last_updated and interval parameters
5760
5761                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5762                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5763                         if (DB_TYPE == "pgsql") {
5764                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5765                         } else {
5766                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5767                         }
5768                 } else {
5769                         $login_thresh_qpart = "";
5770                 }
5771
5772                 // Test if the feed need a update (update interval exceded).
5773                 if (DB_TYPE == "pgsql") {
5774                         $update_limit_qpart = "AND ((
5775                                         ttrss_feeds.update_interval = 0
5776                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5777                                 ) OR (
5778                                         ttrss_feeds.update_interval > 0
5779                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5780                                 ) OR ttrss_feeds.last_updated IS NULL)";
5781                 } else {
5782                         $update_limit_qpart = "AND ((
5783                                         ttrss_feeds.update_interval = 0
5784                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5785                                 ) OR (
5786                                         ttrss_feeds.update_interval > 0
5787                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5788                                 ) OR ttrss_feeds.last_updated IS NULL)";
5789                 }
5790
5791                 // Test if feed is currently being updated by another process.
5792                 if (DB_TYPE == "pgsql") {
5793                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5794                 } else {
5795                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5796                 }
5797
5798                 // Test if there is a limit to number of updated feeds
5799                 $query_limit = "";
5800                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5801
5802                 $random_qpart = sql_random_function();
5803
5804                 // We search for feed needing update.
5805                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5806                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5807                                 ttrss_feeds.update_interval
5808                         FROM
5809                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5810                         WHERE
5811                                 ttrss_feeds.owner_uid = ttrss_users.id
5812                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5813                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5814                                 $login_thresh_qpart $update_limit_qpart
5815                          $updstart_thresh_qpart
5816                         ORDER BY $random_qpart $query_limit");
5817
5818                 $user_prefs_cache = array();
5819
5820                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5821
5822                 // Here is a little cache magic in order to minimize risk of double feed updates.
5823                 $feeds_to_update = array();
5824                 while ($line = db_fetch_assoc($result)) {
5825                         $feeds_to_update[$line['id']] = $line;
5826                 }
5827
5828                 // We update the feed last update started date before anything else.
5829                 // There is no lag due to feed contents downloads
5830                 // It prevent an other process to update the same feed.
5831                 $feed_ids = array_keys($feeds_to_update);
5832                 if($feed_ids) {
5833                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5834                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5835                 }
5836
5837                 // For each feed, we call the feed update function.
5838                 while ($line = array_pop($feeds_to_update)) {
5839
5840                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5841
5842                         update_rss_feed($link, $line["id"], true);
5843
5844                         sleep(1); // prevent flood (FIXME make this an option?)
5845                 }
5846
5847                 // Send feed digests by email if needed.
5848                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5849
5850         } // function update_daemon_common
5851
5852         function sanitize_article_content($text) {
5853                 # we don't support CDATA sections in articles, they break our own escaping
5854                 $text = preg_replace("/\[\[CDATA/", "", $text);
5855                 $text = preg_replace("/\]\]\>/", "", $text);
5856                 return $text;
5857         }
5858
5859         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5860                 $filters = array();
5861
5862                 global $memcache;
5863
5864                 $obj_id = md5("FILTER:$feed:$owner_uid:$action_id");
5865
5866                 if ($memcache && $obj = $memcache->get($obj_id)) {
5867
5868                         return $obj;
5869
5870                 } else {
5871
5872                         if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5873
5874                         $result = db_query($link, "SELECT reg_exp,
5875                                 ttrss_filter_types.name AS name,
5876                                 ttrss_filter_actions.name AS action,
5877                                 inverse,
5878                                 action_param,
5879                                 filter_param
5880                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5881                                         enabled = true AND
5882                                         $ftype_query_part
5883                                         owner_uid = $owner_uid AND
5884                                         ttrss_filter_types.id = filter_type AND
5885                                         ttrss_filter_actions.id = action_id AND
5886                                         (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5887
5888                         while ($line = db_fetch_assoc($result)) {
5889                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5890                                         $filter["reg_exp"] = $line["reg_exp"];
5891                                         $filter["action"] = $line["action"];
5892                                         $filter["action_param"] = $line["action_param"];
5893                                         $filter["filter_param"] = $line["filter_param"];
5894                                         $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5895
5896                                         array_push($filters[$line["name"]], $filter);
5897                                 }
5898
5899                         if ($memcache) $memcache->add($obj_id, $filters, 0, 3600*8);
5900
5901                         return $filters;
5902                 }
5903         }
5904
5905         function get_score_pic($score) {
5906                 if ($score > 100) {
5907                         return "score_high.png";
5908                 } else if ($score > 0) {
5909                         return "score_half_high.png";
5910                 } else if ($score < -100) {
5911                         return "score_low.png";
5912                 } else if ($score < 0) {
5913                         return "score_half_low.png";
5914                 } else {
5915                         return "score_neutral.png";
5916                 }
5917         }
5918
5919         function rounded_table_start($classname, $header = "&nbsp;") {
5920                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5921                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5922                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5923         }
5924
5925         function rounded_table_end($footer = "&nbsp;") {
5926                 print "</td><td class='right'>&nbsp;</td></tr>";
5927                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5928                 print "</table>";
5929         }
5930
5931         function feed_has_icon($id) {
5932                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5933         }
5934
5935         function init_connection($link) {
5936                 if (DB_TYPE == "pgsql") {
5937                         pg_query($link, "set client_encoding = 'UTF-8'");
5938                         pg_set_client_encoding("UNICODE");
5939                         pg_query($link, "set datestyle = 'ISO, european'");
5940                         pg_query($link, "set TIME ZONE 0");
5941                 } else {
5942                         db_query($link, "SET time_zone = '+0:0'");
5943
5944                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5945                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5946         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5947                         }
5948                 }
5949         }
5950
5951         function update_feedbrowser_cache($link) {
5952
5953                 $result = db_query($link, "SELECT feed_url, site_url, title, COUNT(id) AS subscribers
5954                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5955                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5956                                 AND (private IS true OR auth_login != '' OR auth_pass != '' OR feed_url LIKE '%:%@%/%'))
5957                                 GROUP BY feed_url, site_url, title ORDER BY subscribers DESC LIMIT 1000");
5958
5959                 db_query($link, "BEGIN");
5960
5961                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5962
5963                 $count = 0;
5964
5965                 while ($line = db_fetch_assoc($result)) {
5966                         $subscribers = db_escape_string($line["subscribers"]);
5967                         $feed_url = db_escape_string($line["feed_url"]);
5968                         $title = db_escape_string($line["title"]);
5969                         $site_url = db_escape_string($line["site_url"]);
5970
5971                         $tmp_result = db_query($link, "SELECT subscribers FROM
5972                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
5973
5974                         if (db_num_rows($tmp_result) == 0) {
5975
5976                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5977                                         (feed_url, site_url, title, subscribers) VALUES ('$feed_url',
5978                                                 '$site_url', '$title', '$subscribers')");
5979
5980                                 ++$count;
5981
5982                         }
5983
5984                 }
5985
5986                 db_query($link, "COMMIT");
5987
5988                 return $count;
5989
5990         }
5991
5992         function ccache_zero($link, $feed_id, $owner_uid) {
5993                 db_query($link, "UPDATE ttrss_counters_cache SET
5994                         value = 0, updated = NOW() WHERE
5995                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5996         }
5997
5998         function ccache_zero_all($link, $owner_uid) {
5999                 db_query($link, "UPDATE ttrss_counters_cache SET
6000                         value = 0 WHERE owner_uid = '$owner_uid'");
6001
6002                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
6003                         value = 0 WHERE owner_uid = '$owner_uid'");
6004         }
6005
6006         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
6007
6008                 if (!$is_cat) {
6009                         $table = "ttrss_counters_cache";
6010                 } else {
6011                         $table = "ttrss_cat_counters_cache";
6012                 }
6013
6014                 db_query($link, "DELETE FROM $table WHERE
6015                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6016
6017         }
6018
6019         function ccache_update_all($link, $owner_uid) {
6020
6021                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
6022
6023                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
6024                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
6025
6026                         while ($line = db_fetch_assoc($result)) {
6027                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
6028                         }
6029
6030                         /* We have to manually include category 0 */
6031
6032                         ccache_update($link, 0, $owner_uid, true);
6033
6034                 } else {
6035                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
6036                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
6037
6038                         while ($line = db_fetch_assoc($result)) {
6039                                 print ccache_update($link, $line["feed_id"], $owner_uid);
6040
6041                         }
6042
6043                 }
6044         }
6045
6046         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
6047                 $no_update = false) {
6048
6049                 if (!is_numeric($feed_id)) return;
6050
6051                 if (!$is_cat) {
6052                         $table = "ttrss_counters_cache";
6053                         if ($feed_id > 0) {
6054                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
6055                                         WHERE id = '$feed_id'");
6056                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
6057                         }
6058                 } else {
6059                         $table = "ttrss_cat_counters_cache";
6060                 }
6061
6062                 if (DB_TYPE == "pgsql") {
6063                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
6064                 } else if (DB_TYPE == "mysql") {
6065                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
6066                 }
6067
6068                 $result = db_query($link, "SELECT value FROM $table
6069                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
6070                         LIMIT 1");
6071
6072                 if (db_num_rows($result) == 1) {
6073                         return db_fetch_result($result, 0, "value");
6074                 } else {
6075                         if ($no_update) {
6076                                 return -1;
6077                         } else {
6078                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
6079                         }
6080                 }
6081
6082         }
6083
6084         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
6085                 $update_pcat = true) {
6086
6087                 if (!is_numeric($feed_id)) return;
6088
6089                 if (!$is_cat && $feed_id > 0) {
6090                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
6091                                 WHERE id = '$feed_id'");
6092                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
6093                 }
6094
6095                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
6096
6097                 /* When updating a label, all we need to do is recalculate feed counters
6098                  * because labels are not cached */
6099
6100                 if ($feed_id < 0) {
6101                         ccache_update_all($link, $owner_uid);
6102                         return;
6103                 }
6104
6105                 if (!$is_cat) {
6106                         $table = "ttrss_counters_cache";
6107                 } else {
6108                         $table = "ttrss_cat_counters_cache";
6109                 }
6110
6111                 if ($is_cat && $feed_id >= 0) {
6112                         if ($feed_id != 0) {
6113                                 $cat_qpart = "cat_id = '$feed_id'";
6114                         } else {
6115                                 $cat_qpart = "cat_id IS NULL";
6116                         }
6117
6118                         /* Recalculate counters for child feeds */
6119
6120                         $result = db_query($link, "SELECT id FROM ttrss_feeds
6121                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
6122
6123                         while ($line = db_fetch_assoc($result)) {
6124                                 ccache_update($link, $line["id"], $owner_uid, false, false);
6125                         }
6126
6127                         $result = db_query($link, "SELECT SUM(value) AS sv
6128                                 FROM ttrss_counters_cache, ttrss_feeds
6129                                 WHERE id = feed_id AND $cat_qpart AND
6130                                 ttrss_feeds.owner_uid = '$owner_uid'");
6131
6132                         $unread = (int) db_fetch_result($result, 0, "sv");
6133
6134                 } else {
6135                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
6136                 }
6137
6138                 db_query($link, "BEGIN");
6139
6140                 $result = db_query($link, "SELECT feed_id FROM $table
6141                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
6142
6143                 if (db_num_rows($result) == 1) {
6144                         db_query($link, "UPDATE $table SET
6145                                 value = '$unread', updated = NOW() WHERE
6146                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6147
6148                 } else {
6149                         db_query($link, "INSERT INTO $table
6150                                 (feed_id, value, owner_uid, updated)
6151                                 VALUES
6152                                 ($feed_id, $unread, $owner_uid, NOW())");
6153                 }
6154
6155                 db_query($link, "COMMIT");
6156
6157                 if ($feed_id > 0 && $prev_unread != $unread) {
6158
6159                         if (!$is_cat) {
6160
6161                                 /* Update parent category */
6162
6163                                 if ($update_pcat) {
6164
6165                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
6166                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
6167
6168                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
6169
6170                                         ccache_update($link, $cat_id, $owner_uid, true);
6171
6172                                 }
6173                         }
6174                 } else if ($feed_id < 0) {
6175                         ccache_update_all($link, $owner_uid);
6176                 }
6177
6178                 return $unread;
6179         }
6180
6181         function ccache_cleanup($link, $owner_uid) {
6182
6183                 if (DB_TYPE == "pgsql") {
6184                         db_query($link, "DELETE FROM ttrss_counters_cache AS c1 WHERE
6185                                 (SELECT count(*) FROM ttrss_counters_cache AS c2
6186                                         WHERE c1.feed_id = c2.feed_id AND c2.owner_uid = c1.owner_uid) > 1
6187                                         AND owner_uid = '$owner_uid'");
6188
6189                         db_query($link, "DELETE FROM ttrss_cat_counters_cache AS c1 WHERE
6190                                 (SELECT count(*) FROM ttrss_cat_counters_cache AS c2
6191                                         WHERE c1.feed_id = c2.feed_id AND c2.owner_uid = c1.owner_uid) > 1
6192                                         AND owner_uid = '$owner_uid'");
6193                 } else {
6194                         db_query($link, "DELETE c1 FROM
6195                                         ttrss_counters_cache AS c1,
6196                                         ttrss_counters_cache AS c2
6197                                 WHERE
6198                                         c1.owner_uid = '$owner_uid' AND
6199                                         c1.owner_uid = c2.owner_uid AND
6200                                         c1.feed_id = c2.feed_id");
6201
6202                         db_query($link, "DELETE c1 FROM
6203                                         ttrss_cat_counters_cache AS c1,
6204                                         ttrss_cat_counters_cache AS c2
6205                                 WHERE
6206                                         c1.owner_uid = '$owner_uid' AND
6207                                         c1.owner_uid = c2.owner_uid AND
6208                                         c1.feed_id = c2.feed_id");
6209
6210                 }
6211         }
6212
6213         function label_find_id($link, $label, $owner_uid) {
6214                 $result = db_query($link,
6215                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
6216                                 AND owner_uid = '$owner_uid' LIMIT 1");
6217
6218                 if (db_num_rows($result) == 1) {
6219                         return db_fetch_result($result, 0, "id");
6220                 } else {
6221                         return 0;
6222                 }
6223         }
6224
6225         function get_article_labels($link, $id) {
6226                 global $memcache;
6227
6228                 $obj_id = md5("LABELS:$id:" . $_SESSION["uid"]);
6229
6230                 $rv = array();
6231
6232                 if ($memcache && $obj = $memcache->get($obj_id)) {
6233                         return $obj;
6234                 } else {
6235
6236                         $result = db_query($link, "SELECT label_cache FROM
6237                                 ttrss_user_entries WHERE ref_id = '$id' AND owner_uid = " .
6238                                 $_SESSION["uid"]);
6239
6240                         $label_cache = db_fetch_result($result, 0, "label_cache");
6241
6242                         if ($label_cache) {
6243
6244                                 $label_cache = json_decode($label_cache, true);
6245
6246                                 if ($label_cache["no-labels"] == 1)
6247                                         return $rv;
6248                                 else
6249                                         return $label_cache;
6250                         }
6251
6252                         $result = db_query($link,
6253                                 "SELECT DISTINCT label_id,caption,fg_color,bg_color
6254                                         FROM ttrss_labels2, ttrss_user_labels2
6255                                 WHERE id = label_id
6256                                         AND article_id = '$id'
6257                                         AND owner_uid = ".$_SESSION["uid"] . "
6258                                 ORDER BY caption");
6259
6260                         while ($line = db_fetch_assoc($result)) {
6261                                 $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
6262                                         $line["bg_color"]);
6263                                 array_push($rv, $rk);
6264                         }
6265                         if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6266
6267                         if (count($rv) > 0)
6268                                 label_update_cache($link, $id, $rv);
6269                         else
6270                                 label_update_cache($link, $id, array("no-labels" => 1));
6271                 }
6272
6273                 return $rv;
6274         }
6275
6276
6277         function label_find_caption($link, $label, $owner_uid) {
6278                 $result = db_query($link,
6279                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
6280                                 AND owner_uid = '$owner_uid' LIMIT 1");
6281
6282                 if (db_num_rows($result) == 1) {
6283                         return db_fetch_result($result, 0, "caption");
6284                 } else {
6285                         return "";
6286                 }
6287         }
6288
6289         function label_update_cache($link, $id, $labels = false, $force = false) {
6290
6291                 if ($force)
6292                         label_clear_cache($link, $id);
6293
6294                 if (!$labels)
6295                         $labels = get_article_labels($link, $id);
6296
6297                 $labels = db_escape_string(json_encode($labels));
6298
6299                 db_query($link, "UPDATE ttrss_user_entries SET
6300                         label_cache = '$labels' WHERE ref_id = '$id'");
6301
6302         }
6303
6304         function label_clear_cache($link, $id) {
6305
6306                 db_query($link, "UPDATE ttrss_user_entries SET
6307                         label_cache = '' WHERE ref_id = '$id'");
6308
6309         }
6310
6311         function label_remove_article($link, $id, $label, $owner_uid) {
6312
6313                 $label_id = label_find_id($link, $label, $owner_uid);
6314
6315                 if (!$label_id) return;
6316
6317                 $result = db_query($link,
6318                         "DELETE FROM ttrss_user_labels2
6319                         WHERE
6320                                 label_id = '$label_id' AND
6321                                 article_id = '$id'");
6322
6323                 label_clear_cache($link, $id);
6324         }
6325
6326         function label_add_article($link, $id, $label, $owner_uid) {
6327
6328                 global $memcache;
6329
6330                 if ($memcache) {
6331                         $obj_id = md5("LABELS:$id:$owner_uid");
6332                         $memcache->delete($obj_id);
6333                 }
6334
6335                 $label_id = label_find_id($link, $label, $owner_uid);
6336
6337                 if (!$label_id) return;
6338
6339                 $result = db_query($link,
6340                         "SELECT
6341                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6342                         WHERE
6343                                 label_id = id AND
6344                                 label_id = '$label_id' AND
6345                                 article_id = '$id' AND owner_uid = '$owner_uid'
6346                         LIMIT 1");
6347
6348                 if (db_num_rows($result) == 0) {
6349                         db_query($link, "INSERT INTO ttrss_user_labels2
6350                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6351                 }
6352
6353                 label_clear_cache($link, $id);
6354
6355         }
6356
6357         function label_remove($link, $id, $owner_uid) {
6358                 global $memcache;
6359
6360                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6361
6362                 if ($memcache) {
6363                         $obj_id = md5("LABELS:$id:$owner_uid");
6364                         $memcache->delete($obj_id);
6365                 }
6366
6367                 db_query($link, "BEGIN");
6368
6369                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6370                         WHERE id = '$id'");
6371
6372                 $caption = db_fetch_result($result, 0, "caption");
6373
6374                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6375                         AND owner_uid = " . $owner_uid);
6376
6377                 if (db_affected_rows($link, $result) != 0 && $caption) {
6378
6379                         /* Remove access key for the label */
6380
6381                         $ext_id = -11 - $id;
6382
6383                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6384                                 feed_id = '$ext_id' AND owner_uid = $owner_uid");
6385
6386                         /* Disable filters that reference label being removed */
6387
6388                         db_query($link, "UPDATE ttrss_filters SET
6389                                 enabled = false WHERE action_param = '$caption'
6390                                         AND action_id = 7
6391                                         AND owner_uid = " . $owner_uid);
6392
6393                         /* Remove cached data */
6394
6395                         db_query($link, "UPDATE ttrss_user_entries SET label_cache = ''
6396                                 WHERE label_cache LIKE '%$caption%' AND owner_uid = " . $owner_uid);
6397
6398                 }
6399
6400                 db_query($link, "COMMIT");
6401         }
6402
6403         function label_create($link, $caption) {
6404
6405                 db_query($link, "BEGIN");
6406
6407                 $result = false;
6408
6409                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6410                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6411
6412                 if (db_num_rows($result) == 0) {
6413                         $result = db_query($link,
6414                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
6415                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6416
6417                         $result = db_affected_rows($link, $result) != 0;
6418                 }
6419
6420                 db_query($link, "COMMIT");
6421
6422                 return $result;
6423         }
6424
6425         function print_labels_headlines_dropdown($link, $feed_id) {
6426                 print "<option value=\"addLabel()\">".__("Create label...")."</option>";
6427
6428                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6429                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6430
6431                 while ($line = db_fetch_assoc($result)) {
6432
6433                         $label_id = $line["id"];
6434                         $label_caption = $line["caption"];
6435                         $id = $line["id"];
6436
6437                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6438                                 print "<option id=\"LHDL-$id\"
6439                                         value=\"selectionRemoveLabel($label_id)\">".
6440                                         __('Remove:') . " $label_caption</option>";
6441                         } else {
6442                                 print "<option id=\"LHDL-$id\"
6443                                         value=\"selectionAssignLabel($label_id)\">".
6444                                         __('Assign:') . " $label_caption</option>";
6445                         }
6446                 }
6447         }
6448
6449         function format_tags_string($tags, $id) {
6450
6451                 $tags_str = "";
6452                 $tags_nolinks_str = "";
6453
6454                 $num_tags = 0;
6455
6456                 $tag_limit = 6;
6457
6458                 $formatted_tags = array();
6459
6460                 foreach ($tags as $tag) {
6461                         $num_tags++;
6462                         $tag_escaped = str_replace("'", "\\'", $tag);
6463
6464                         if (mb_strlen($tag) > 30) {
6465                                 $tag = truncate_string($tag, 30);
6466                         }
6467
6468                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6469
6470                         array_push($formatted_tags, $tag_str);
6471
6472                         $tmp_tags_str = implode(", ", $formatted_tags);
6473
6474                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6475                                 break;
6476                         }
6477                 }
6478
6479                 $tags_str = implode(", ", $formatted_tags);
6480
6481                 if ($num_tags < count($tags)) {
6482                         $tags_str .= ", &hellip;";
6483                 }
6484
6485                 if ($num_tags == 0) {
6486                         $tags_str = __("no tags");
6487                 }
6488
6489                 return $tags_str;
6490
6491         }
6492
6493         function format_article_labels($labels, $id) {
6494
6495                 $labels_str = "";
6496
6497                 foreach ($labels as $l) {
6498                         $labels_str .= sprintf("<span class='hlLabelRef'
6499                                 style='color : %s; background-color : %s'>%s</span>",
6500                                         $l[2], $l[3], $l[1]);
6501                         }
6502
6503                 return $labels_str;
6504
6505         }
6506
6507         function format_article_note($id, $note) {
6508
6509                 $str = "<div class='articleNote'        onclick=\"editArticleNote($id)\">
6510                         <div class='noteEdit' onclick=\"editArticleNote($id)\">".
6511                         __('(edit note)')."</div>$note</div>";
6512
6513                 return $str;
6514         }
6515
6516         function toggle_collapse_cat($link, $cat_id, $mode) {
6517                 if ($cat_id > 0) {
6518                         $mode = bool_to_sql_bool($mode);
6519
6520                         db_query($link, "UPDATE ttrss_feed_categories SET
6521                                 collapsed = $mode WHERE id = '$cat_id' AND owner_uid = " .
6522                                 $_SESSION["uid"]);
6523                 } else {
6524                         $pref_name = '';
6525
6526                         switch ($cat_id) {
6527                         case -1:
6528                                 $pref_name = '_COLLAPSED_SPECIAL';
6529                                 break;
6530                         case -2:
6531                                 $pref_name = '_COLLAPSED_LABELS';
6532                                 break;
6533                         case 0:
6534                                 $pref_name = '_COLLAPSED_UNCAT';
6535                                 break;
6536                         }
6537
6538                         if ($pref_name) {
6539                                 if ($mode) {
6540                                         set_pref($link, $pref_name, 'true');
6541                                 } else {
6542                                         set_pref($link, $pref_name, 'false');
6543                                 }
6544                         }
6545                 }
6546         }
6547
6548         function remove_feed($link, $id, $owner_uid) {
6549
6550                 if ($id > 0) {
6551
6552                         /* save starred articles in Archived feed */
6553
6554                         db_query($link, "BEGIN");
6555
6556                         /* prepare feed if necessary */
6557
6558                         $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6559                                 WHERE id = '$id'");
6560
6561                         if (db_num_rows($result) == 0) {
6562                                 db_query($link, "INSERT INTO ttrss_archived_feeds
6563                                         (id, owner_uid, title, feed_url, site_url)
6564                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6565                                 WHERE id = '$id'");
6566                         }
6567
6568                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
6569                                 orig_feed_id = '$id' WHERE feed_id = '$id' AND
6570                                         marked = true AND owner_uid = $owner_uid");
6571
6572                         /* Remove access key for the feed */
6573
6574                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6575                                 feed_id = '$id' AND owner_uid = $owner_uid");
6576
6577                         /* remove the feed */
6578
6579                         db_query($link, "DELETE FROM ttrss_feeds
6580                                         WHERE id = '$id' AND owner_uid = $owner_uid");
6581
6582                         db_query($link, "COMMIT");
6583
6584 /*                      if (file_exists(ICONS_DIR . "/$id.ico")) {
6585                                 unlink(ICONS_DIR . "/$id.ico");
6586                         } */
6587
6588                         ccache_remove($link, $id, $owner_uid);
6589
6590                 } else {
6591                         label_remove($link, -11-$id, $owner_uid);
6592                         ccache_remove($link, -11-$id, $owner_uid);
6593                 }
6594         }
6595
6596         function add_feed_category($link, $feed_cat) {
6597
6598                 if (!$feed_cat) return false;
6599
6600                 db_query($link, "BEGIN");
6601
6602                 $result = db_query($link,
6603                         "SELECT id FROM ttrss_feed_categories
6604                         WHERE title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
6605
6606                 if (db_num_rows($result) == 0) {
6607
6608                         $result = db_query($link,
6609                                 "INSERT INTO ttrss_feed_categories (owner_uid,title)
6610                                 VALUES ('".$_SESSION["uid"]."', '$feed_cat')");
6611
6612                         db_query($link, "COMMIT");
6613
6614                         return true;
6615                 }
6616
6617                 return false;
6618         }
6619
6620         function remove_feed_category($link, $id, $owner_uid) {
6621
6622                 db_query($link, "DELETE FROM ttrss_feed_categories
6623                         WHERE id = '$id' AND owner_uid = $owner_uid");
6624
6625                 ccache_remove($link, $id, $owner_uid, true);
6626         }
6627
6628         function archive_article($link, $id, $owner_uid) {
6629                 db_query($link, "BEGIN");
6630
6631                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6632                         WHERE ref_id = '$id' AND owner_uid = $owner_uid");
6633
6634                 if (db_num_rows($result) != 0) {
6635
6636                         /* prepare the archived table */
6637
6638                         $feed_id = (int) db_fetch_result($result, 0, "feed_id");
6639
6640                         if ($feed_id) {
6641                                 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6642                                         WHERE id = '$feed_id'");
6643
6644                                 if (db_num_rows($result) == 0) {
6645                                         db_query($link, "INSERT INTO ttrss_archived_feeds
6646                                                 (id, owner_uid, title, feed_url, site_url)
6647                                         SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6648                                         WHERE id = '$feed_id'");
6649                                 }
6650
6651                                 db_query($link, "UPDATE ttrss_user_entries
6652                                         SET orig_feed_id = feed_id, feed_id = NULL
6653                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6654                         }
6655                 }
6656
6657                 db_query($link, "COMMIT");
6658         }
6659
6660         function getArticleFeed($link, $id) {
6661                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6662                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6663
6664                 if (db_num_rows($result) != 0) {
6665                         return db_fetch_result($result, 0, "feed_id");
6666                 } else {
6667                         return 0;
6668                 }
6669         }
6670
6671         function make_url_from_parts($parts) {
6672                 $url = $parts['scheme'] . '://' . $parts['host'];
6673
6674                 if ($parts['path']) $url .= $parts['path'];
6675                 if ($parts['query']) $url .= '?' . $parts['query'];
6676
6677                 return $url;
6678         }
6679
6680         /**
6681          * Fixes incomplete URLs by prepending "http://".
6682          * Also replaces feed:// with http://, and
6683          * prepends a trailing slash if the url is a domain name only.
6684          *
6685          * @param string $url Possibly incomplete URL
6686          *
6687          * @return string Fixed URL.
6688          */
6689         function fix_url($url) {
6690                 if (strpos($url, '://') === false) {
6691                         $url = 'http://' . $url;
6692                 } else if (substr($url, 0, 5) == 'feed:') {
6693                         $url = 'http:' . substr($url, 5);
6694                 }
6695
6696                 //prepend slash if the URL has no slash in it
6697                 // "http://www.example" -> "http://www.example/"
6698                 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
6699                         $url .= '/';
6700                 }
6701
6702                 if ($url != "http:///")
6703                         return $url;
6704                 else
6705                         return '';
6706         }
6707
6708         function validate_feed_url($url) {
6709                 $parts = parse_url($url);
6710
6711                 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
6712
6713         }
6714
6715         function get_article_enclosures($link, $id) {
6716
6717                 global $memcache;
6718
6719                 $query = "SELECT * FROM ttrss_enclosures
6720                         WHERE post_id = '$id' AND content_url != ''";
6721
6722                 $obj_id = md5("ENCLOSURES:$id");
6723
6724                 $rv = array();
6725
6726                 if ($memcache && $obj = $memcache->get($obj_id)) {
6727                         $rv = $obj;
6728                 } else {
6729                         $result = db_query($link, $query);
6730
6731                         if (db_num_rows($result) > 0) {
6732                                 while ($line = db_fetch_assoc($result)) {
6733                                         array_push($rv, $line);
6734                                 }
6735                                 if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6736                         }
6737                 }
6738
6739                 return $rv;
6740         }
6741
6742         function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset) {
6743
6744                         $feeds = array();
6745
6746                         /* Labels */
6747
6748                         if ($cat_id == -4 || $cat_id == -2) {
6749                                 $counters = getLabelCounters($link, true);
6750
6751                                 foreach (array_values($counters) as $cv) {
6752
6753                                         $unread = $cv["counter"];
6754
6755                                         if ($unread || !$unread_only) {
6756
6757                                                 $row = array(
6758                                                                 "id" => $cv["id"],
6759                                                                 "title" => $cv["description"],
6760                                                                 "unread" => $cv["counter"],
6761                                                                 "cat_id" => -2,
6762                                                         );
6763
6764                                                 array_push($feeds, $row);
6765                                         }
6766                                 }
6767                         }
6768
6769                         /* Virtual feeds */
6770
6771                         if ($cat_id == -4 || $cat_id == -1) {
6772                                 foreach (array(-1, -2, -3, -4, 0) as $i) {
6773                                         $unread = getFeedUnread($link, $i);
6774
6775                                         if ($unread || !$unread_only) {
6776                                                 $title = getFeedTitle($link, $i);
6777
6778                                                 $row = array(
6779                                                                 "id" => $i,
6780                                                                 "title" => $title,
6781                                                                 "unread" => $unread,
6782                                                                 "cat_id" => -1,
6783                                                         );
6784                                                 array_push($feeds, $row);
6785                                         }
6786
6787                                 }
6788                         }
6789
6790                         /* Real feeds */
6791
6792                         if ($limit) {
6793                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
6794                         } else {
6795                                 $limit_qpart = "";
6796                         }
6797
6798                         if ($cat_id == -4 || $cat_id == -3) {
6799                                 $result = db_query($link, "SELECT
6800                                         id, feed_url, cat_id, title, ".
6801                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6802                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
6803                                                 " ORDER BY cat_id, title " . $limit_qpart);
6804                         } else {
6805
6806                                 if ($cat_id)
6807                                         $cat_qpart = "cat_id = '$cat_id'";
6808                                 else
6809                                         $cat_qpart = "cat_id IS NULL";
6810
6811                                 $result = db_query($link, "SELECT
6812                                         id, feed_url, cat_id, title, ".
6813                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6814                                                 FROM ttrss_feeds WHERE
6815                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
6816                                                 " ORDER BY cat_id, title " . $limit_qpart);
6817                         }
6818
6819                         while ($line = db_fetch_assoc($result)) {
6820
6821                                 $unread = getFeedUnread($link, $line["id"]);
6822
6823                                 $has_icon = feed_has_icon($line['id']);
6824
6825                                 if ($unread || !$unread_only) {
6826
6827                                         $row = array(
6828                                                         "feed_url" => $line["feed_url"],
6829                                                         "title" => $line["title"],
6830                                                         "id" => (int)$line["id"],
6831                                                         "unread" => (int)$unread,
6832                                                         "has_icon" => $has_icon,
6833                                                         "cat_id" => (int)$line["cat_id"],
6834                                                         "last_updated" => strtotime($line["last_updated"])
6835                                                 );
6836
6837                                         array_push($feeds, $row);
6838                                 }
6839                         }
6840
6841                 return $feeds;
6842         }
6843
6844         function api_get_headlines($link, $feed_id, $limit, $offset,
6845                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
6846                                 $include_attachments, $since_id) {
6847
6848                         /* do not rely on params below */
6849
6850                         $search = db_escape_string($_REQUEST["search"]);
6851                         $search_mode = db_escape_string($_REQUEST["search_mode"]);
6852                         $match_on = db_escape_string($_REQUEST["match_on"]);
6853
6854                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
6855                                 $view_mode, $is_cat, $search, $search_mode, $match_on,
6856                                 $order, $offset, 0, false, $since_id);
6857
6858                         $result = $qfh_ret[0];
6859                         $feed_title = $qfh_ret[1];
6860
6861                         $headlines = array();
6862
6863                         while ($line = db_fetch_assoc($result)) {
6864                                 $is_updated = ($line["last_read"] == "" &&
6865                                         ($line["unread"] != "t" && $line["unread"] != "1"));
6866
6867                                 $headline_row = array(
6868                                                 "id" => (int)$line["id"],
6869                                                 "unread" => sql_bool_to_bool($line["unread"]),
6870                                                 "marked" => sql_bool_to_bool($line["marked"]),
6871                                                 "published" => sql_bool_to_bool($line["published"]),
6872                                                 "updated" => strtotime($line["updated"]),
6873                                                 "is_updated" => $is_updated,
6874                                                 "title" => $line["title"],
6875                                                 "link" => $line["link"],
6876                                                 "feed_id" => $line["feed_id"],
6877                                                 "tags" => get_article_tags($link, $line["id"]),
6878                                         );
6879
6880                                         if ($include_attachments)
6881                                                 $headline_row['attachments'] = get_article_enclosures($link,
6882                                                         $line['id']);
6883
6884                                 if ($show_excerpt) {
6885                                         $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
6886                                         $headline_row["excerpt"] = $excerpt;
6887                                 }
6888
6889                                 if ($show_content) {
6890                                         $headline_row["content"] = $line["content_preview"];
6891                                 }
6892
6893                                 array_push($headlines, $headline_row);
6894                         }
6895
6896                         return $headlines;
6897         }
6898
6899         function generate_error_feed($link, $error) {
6900                 $reply = array();
6901
6902                 $reply['headlines']['id'] = -6;
6903                 $reply['headlines']['is_cat'] = false;
6904
6905                 $reply['headlines']['toolbar'] = '';
6906                 $reply['headlines']['content'] = "<div class='whiteBox'>". $error . "</div>";
6907
6908                 $reply['headlines-info'] = array("count" => 0,
6909                         "vgroup_last_feed" => '',
6910                         "unread" => 0,
6911                         "disable_cache" => true);
6912
6913                 return $reply;
6914         }
6915
6916
6917         function generate_dashboard_feed($link) {
6918                 $reply = array();
6919
6920                 $reply['headlines']['id'] = -5;
6921                 $reply['headlines']['is_cat'] = false;
6922
6923                 $reply['headlines']['toolbar'] = '';
6924                 $reply['headlines']['content'] = "<div class='whiteBox'>".__('No feed selected.');
6925
6926                 $reply['headlines']['content'] .= "<p class=\"small\"><span class=\"insensitive\">";
6927
6928                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
6929                         WHERE owner_uid = " . $_SESSION['uid']);
6930
6931                 $last_updated = db_fetch_result($result, 0, "last_updated");
6932                 $last_updated = make_local_datetime($link, $last_updated, false);
6933
6934                 $reply['headlines']['content'] .= sprintf(__("Feeds last updated at %s"), $last_updated);
6935
6936                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
6937                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
6938
6939                 $num_errors = db_fetch_result($result, 0, "num_errors");
6940
6941                 if ($num_errors > 0) {
6942                         $reply['headlines']['content'] .= "<br/>";
6943                         $reply['headlines']['content'] .= "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
6944                                 __('Some feeds have update errors (click for details)')."</a>";
6945                 }
6946                 $reply['headlines']['content'] .= "</span></p>";
6947
6948                 $reply['headlines-info'] = array("count" => 0,
6949                         "vgroup_last_feed" => '',
6950                         "unread" => 0,
6951                         "disable_cache" => true);
6952
6953                 return $reply;
6954         }
6955
6956         function save_email_address($link, $email) {
6957                 // FIXME: implement persistent storage of emails
6958
6959                 if (!$_SESSION['stored_emails'])
6960                         $_SESSION['stored_emails'] = array();
6961
6962                 if (!in_array($email, $_SESSION['stored_emails']))
6963                         array_push($_SESSION['stored_emails'], $email);
6964         }
6965
6966         function update_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6967                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6968
6969                 $sql_is_cat = bool_to_sql_bool($is_cat);
6970
6971                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
6972                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
6973                         AND owner_uid = " . $owner_uid);
6974
6975                 if (db_num_rows($result) == 1) {
6976                         $key = db_escape_string(sha1(uniqid(rand(), true)));
6977
6978                         db_query($link, "UPDATE ttrss_access_keys SET access_key = '$key'
6979                                 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
6980                                 AND owner_uid = " . $owner_uid);
6981
6982                         return $key;
6983
6984                 } else {
6985                         return get_feed_access_key($link, $feed_id, $is_cat, $owner_uid);
6986                 }
6987         }
6988
6989         function get_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6990
6991                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6992
6993                 $sql_is_cat = bool_to_sql_bool($is_cat);
6994
6995                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
6996                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
6997                         AND owner_uid = " . $owner_uid);
6998
6999                 if (db_num_rows($result) == 1) {
7000                         return db_fetch_result($result, 0, "access_key");
7001                 } else {
7002                         $key = db_escape_string(sha1(uniqid(rand(), true)));
7003
7004                         $result = db_query($link, "INSERT INTO ttrss_access_keys
7005                                 (access_key, feed_id, is_cat, owner_uid)
7006                                 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
7007
7008                         return $key;
7009                 }
7010                 return false;
7011         }
7012
7013         /**
7014          * Extracts RSS/Atom feed URLs from the given HTML URL.
7015          *
7016          * @param string $url HTML page URL
7017          *
7018          * @return array Array of feeds. Key is the full URL, value the title
7019          */
7020         function get_feeds_from_html($url, $login = false, $pass = false)
7021         {
7022                 $url     = fix_url($url);
7023                 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
7024
7025                 libxml_use_internal_errors(true);
7026
7027                 $content = @fetch_file_contents($url, false, $login, $pass);
7028
7029                 $doc = new DOMDocument();
7030                 $doc->loadHTML($content);
7031                 $xpath = new DOMXPath($doc);
7032                 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
7033                 $feedUrls = array();
7034                 foreach ($entries as $entry) {
7035                         if ($entry->hasAttribute('href')) {
7036                                 $title = $entry->getAttribute('title');
7037                                 if ($title == '') {
7038                                         $title = $entry->getAttribute('type');
7039                                 }
7040                                 $feedUrl = rewrite_relative_url(
7041                                         $baseUrl, $entry->getAttribute('href')
7042                                 );
7043                                 $feedUrls[$feedUrl] = $title;
7044                         }
7045                 }
7046                 return $feedUrls;
7047         }
7048
7049         /**
7050          * Checks if the content behind the given URL is a HTML file
7051          *
7052          * @param string $url URL to check
7053          *
7054          * @return boolean True if the URL contains HTML content
7055          */
7056         function url_is_html($url, $login = false, $pass = false) {
7057                 $content = substr(fetch_file_contents($url, false, $login, $pass), 0, 1000);
7058
7059                 if (stripos($content, '<html>') === false
7060                         && stripos($content, '<html ') === false
7061                 ) {
7062                         return false;
7063                 }
7064
7065                 return true;
7066         }
7067
7068         function print_label_select($link, $name, $value, $attributes = "") {
7069
7070                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
7071                         WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
7072
7073                 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
7074                         "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
7075
7076                 while ($line = db_fetch_assoc($result)) {
7077
7078                         $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
7079
7080                         print "<option value=\"".htmlspecialchars($line["caption"])."\"
7081                                 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
7082
7083                 }
7084
7085 #               print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
7086
7087                 print "</select>";
7088
7089
7090         }
7091
7092         function format_article_enclosures($link, $id, $always_display_enclosures,
7093                                         $article_content) {
7094
7095                 $result = get_article_enclosures($link, $id);
7096                 $rv = '';
7097
7098                 if (count($result) > 0) {
7099
7100                         $entries_html = array();
7101                         $entries = array();
7102
7103                         foreach ($result as $line) {
7104
7105                                 $url = $line["content_url"];
7106                                 $ctype = $line["content_type"];
7107
7108                                 if (!$ctype) $ctype = __("unknown type");
7109
7110 #                               $filename = substr($url, strrpos($url, "/")+1);
7111
7112                                 $entry = format_inline_player($link, $url, $ctype);
7113
7114 #                               $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
7115 #                                       $filename . " (" . $ctype . ")" . "</a>";
7116
7117                                 array_push($entries_html, $entry);
7118
7119                                 $entry = array();
7120
7121                                 $entry["type"] = $ctype;
7122                                 $entry["filename"] = $filename;
7123                                 $entry["url"] = $url;
7124
7125                                 array_push($entries, $entry);
7126                         }
7127
7128                         $rv .= "<div class=\"postEnclosures\">";
7129
7130                         if (!get_pref($link, "STRIP_IMAGES")) {
7131                                 if ($always_display_enclosures ||
7132                                                         !preg_match("/<img/i", $article_content)) {
7133
7134                                         foreach ($entries as $entry) {
7135
7136                                                 if (preg_match("/image/", $entry["type"]) ||
7137                                                                 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
7138
7139                                                                 $rv .= "<p><img
7140                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
7141                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
7142                                                 }
7143                                         }
7144                                 }
7145                         }
7146
7147                         if (count($entries) == 1) {
7148                                 $rv .= __("Attachment:") . " ";
7149                         } else {
7150                                 $rv .= __("Attachments:") . " ";
7151                         }
7152
7153                         $rv .= join(", ", $entries_html);
7154
7155                         $rv .= "</div>";
7156                 }
7157
7158                 return $rv;
7159         }
7160
7161         function getLastArticleId($link) {
7162                 $result = db_query($link, "SELECT MAX(ref_id) AS id FROM ttrss_user_entries
7163                         WHERE owner_uid = " . $_SESSION["uid"]);
7164
7165                 if (db_num_rows($result) == 1) {
7166                         return db_fetch_result($result, 0, "id");
7167                 } else {
7168                         return -1;
7169                 }
7170         }
7171
7172         function build_url($parts) {
7173                 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
7174         }
7175
7176         /**
7177          * Converts a (possibly) relative URL to a absolute one.
7178          *
7179          * @param string $url     Base URL (i.e. from where the document is)
7180          * @param string $rel_url Possibly relative URL in the document
7181          *
7182          * @return string Absolute URL
7183          */
7184         function rewrite_relative_url($url, $rel_url) {
7185                 if (strpos($rel_url, "://") !== false) {
7186                         return $rel_url;
7187                 } else if (strpos($rel_url, "/") === 0)
7188                 {
7189                         $parts = parse_url($url);
7190                         $parts['path'] = $rel_url;
7191
7192                         return build_url($parts);
7193
7194                 } else {
7195                         $parts = parse_url($url);
7196                         if (!isset($parts['path'])) {
7197                                 $parts['path'] = '/';
7198                         }
7199                         $dir = $parts['path'];
7200                         if (substr($dir, -1) !== '/') {
7201                                 $dir = dirname($parts['path']);
7202                                 $dir !== '/' && $dir .= '/';
7203                         }
7204                         $parts['path'] = $dir . $rel_url;
7205
7206                         return build_url($parts);
7207                 }
7208         }
7209
7210         function sphinx_search($query, $offset = 0, $limit = 30) {
7211                 $sphinxClient = new SphinxClient();
7212
7213                 $sphinxClient->SetServer('localhost', 9312);
7214                 $sphinxClient->SetConnectTimeout(1);
7215
7216                 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
7217                         'feed_title' => 20));
7218
7219                 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
7220                 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
7221                 $sphinxClient->SetLimits($offset, $limit, 1000);
7222                 $sphinxClient->SetArrayResult(false);
7223                 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
7224
7225                 $result = $sphinxClient->Query($query, SPHINX_INDEX);
7226
7227                 $ids = array();
7228
7229                 if (is_array($result['matches'])) {
7230                         foreach (array_keys($result['matches']) as $int_id) {
7231                                 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
7232                                 array_push($ids, $ref_id);
7233                         }
7234                 }
7235
7236                 return $ids;
7237         }
7238
7239         function cleanup_tags($link, $days = 14, $limit = 1000) {
7240
7241                 if (DB_TYPE == "pgsql") {
7242                         $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
7243                 } else if (DB_TYPE == "mysql") {
7244                         $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
7245                 }
7246
7247                 $tags_deleted = 0;
7248
7249                 while ($limit > 0) {
7250                         $limit_part = 500;
7251
7252                         $query = "SELECT ttrss_tags.id AS id
7253                                 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
7254                                 WHERE post_int_id = int_id AND $interval_query AND
7255                                 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
7256
7257                         $result = db_query($link, $query);
7258
7259                         $ids = array();
7260
7261                         while ($line = db_fetch_assoc($result)) {
7262                                 array_push($ids, $line['id']);
7263                         }
7264
7265                         if (count($ids) > 0) {
7266                                 $ids = join(",", $ids);
7267                                 print ".";
7268
7269                                 $tmp_result = db_query($link, "DELETE FROM ttrss_tags WHERE id IN ($ids)");
7270                                 $tags_deleted += db_affected_rows($link, $tmp_result);
7271                         } else {
7272                                 break;
7273                         }
7274
7275                         $limit -= $limit_part;
7276                 }
7277
7278                 print "\n";
7279
7280                 return $tags_deleted;
7281         }
7282
7283         function feedlist_init_cat($link, $cat_id, $hidden = false) {
7284                 $obj = array();
7285                 $cat_id = (int) $cat_id;
7286
7287                 if ($cat_id > 0) {
7288                         $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
7289                 } else if ($cat_id == 0 || $cat_id == -2) {
7290                         $cat_unread = getCategoryUnread($link, $cat_id);
7291                 }
7292
7293                 $obj['id'] = 'CAT:' . $cat_id;
7294                 $obj['items'] = array();
7295                 $obj['name'] = getCategoryTitle($link, $cat_id);
7296                 $obj['type'] = 'feed';
7297                 $obj['unread'] = (int) $cat_unread;
7298                 $obj['hidden'] = $hidden;
7299                 $obj['bare_id'] = $cat_id;
7300
7301                 return $obj;
7302         }
7303
7304         function feedlist_init_feed($link, $feed_id, $title = false, $unread = false, $error = '', $updated = '') {
7305                 $obj = array();
7306                 $feed_id = (int) $feed_id;
7307
7308                 if (!$title)
7309                         $title = getFeedTitle($link, $feed_id, false);
7310
7311                 if ($unread === false)
7312                         $unread = getFeedUnread($link, $feed_id, false);
7313
7314                 $obj['id'] = 'FEED:' . $feed_id;
7315                 $obj['name'] = $title;
7316                 $obj['unread'] = (int) $unread;
7317                 $obj['type'] = 'feed';
7318                 $obj['error'] = $error;
7319                 $obj['updated'] = $updated;
7320                 $obj['icon'] = getFeedIcon($feed_id);
7321                 $obj['bare_id'] = $feed_id;
7322
7323                 return $obj;
7324         }
7325
7326
7327         function fetch_twitter_rss($link, $url, $owner_uid) {
7328                 $result = db_query($link, "SELECT twitter_oauth FROM ttrss_users
7329                         WHERE id = $owner_uid");
7330
7331                 $access_token = json_decode(db_fetch_result($result, 0, 'twitter_oauth'), true);
7332                 $url_escaped = db_escape_string($url);
7333
7334                 if ($access_token) {
7335
7336                         $tmhOAuth = new tmhOAuth(array(
7337                                 'consumer_key'    => CONSUMER_KEY,
7338                                 'consumer_secret' => CONSUMER_SECRET,
7339                                 'user_token' => $access_token['oauth_token'],
7340                                 'user_secret' => $access_token['oauth_token_secret'],
7341                         ));
7342
7343                         $code = $tmhOAuth->request('GET', $url);
7344
7345                         if ($code == 200) {
7346
7347                                 $content = $tmhOAuth->response['response'];
7348
7349                                 define('MAGPIE_CACHE_ON', false);
7350
7351                                 $rss = new MagpieRSS($content, MAGPIE_OUTPUT_ENCODING,
7352                                         MAGPIE_INPUT_ENCODING, MAGPIE_DETECT_ENCODING );
7353
7354                                 return $rss;
7355
7356                         } else {
7357
7358                                 db_query($link, "UPDATE ttrss_feeds
7359                                         SET last_error = 'OAuth authorization failed ($code).'
7360                                         WHERE feed_url = '$url_escaped' AND owner_uid = $owner_uid");
7361                         }
7362
7363                 } else {
7364
7365                         db_query($link, "UPDATE ttrss_feeds
7366                                 SET last_error = 'OAuth information not found.'
7367                                 WHERE feed_url = '$url_escaped' AND owner_uid = $owner_uid");
7368
7369                         return false;
7370                 }
7371         }
7372
7373         function print_user_stylesheet($link) {
7374                 $value = get_pref($link, 'USER_STYLESHEET');
7375
7376                 if ($value) {
7377                         print "<style type=\"text/css\">";
7378                         print str_replace("<br/>", "\n", $value);
7379                         print "</style>";
7380                 }
7381
7382         }
7383
7384         function rewrite_urls($line) {
7385                 global $url_regex;
7386
7387                 $urls = null;
7388
7389                 $result = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
7390                         "<a target=\"_blank\" href=\"\\1\">\\1</a>", $line);
7391
7392                 return $result;
7393         }
7394
7395         function filter_to_sql($filter) {
7396                 $query = "";
7397
7398                 if (DB_TYPE == "pgsql")
7399                         $reg_qpart = "~";
7400                 else
7401                         $reg_qpart = "REGEXP";
7402
7403                 switch ($filter["type"]) {
7404                         case "title":
7405                                 $query = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
7406                                         $filter['reg_exp'] . "')";
7407                                 break;
7408                         case "content":
7409                                 $query = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
7410                                         $filter['reg_exp'] . "')";
7411                                 break;
7412                         case "both":
7413                                 $query = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
7414                                         $filter['reg_exp'] . "') OR LOWER(" .
7415                                         "ttrss_entries.content) $reg_qpart LOWER('" . $filter['reg_exp'] . "')";
7416                                 break;
7417                         case "tag":
7418                                 $query = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
7419                                         $filter['reg_exp'] . "')";
7420                                 break;
7421                         case "link":
7422                                 $query = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
7423                                         $filter['reg_exp'] . "')";
7424                                 break;
7425                         case "date":
7426
7427                                 if ($filter["filter_param"] == "before")
7428                                         $cmp_qpart = "<";
7429                                 else
7430                                         $cmp_qpart = ">=";
7431
7432                                 $timestamp = date("Y-m-d H:N:s", strtotime($filter["reg_exp"]));
7433                                 $query = "ttrss_entries.date_entered $cmp_qpart '$timestamp'";
7434                                 break;
7435                         case "author":
7436                                 $query = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
7437                                         $filter['reg_exp'] . "')";
7438                                 break;
7439                 }
7440
7441                 if ($filter["inverse"])
7442                         $query = "NOT ($query)";
7443
7444                 if ($query) {
7445                         if (DB_TYPE == "pgsql") {
7446                                 $query = " ($query) AND ttrss_entries.date_entered > NOW() - INTERVAL '14 days'";
7447                         } else {
7448                                 $query = " ($query) AND ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL 14 DAY)";
7449                         }
7450                         $query .= " AND ";
7451                 }
7452
7453
7454                 return $query;
7455         }
7456
7457         // Status codes:
7458         // -1  - never connected
7459         // 0   - no data received
7460         // 1   - data received successfully
7461         // 2   - did not receive valid data
7462         // >10 - server error, code + 10 (e.g. 16 means server error 6)
7463
7464         function get_linked_feeds($link, $instance_id = false) {
7465                 if ($instance_id)
7466                         $instance_qpart = "id = '$instance_id' AND ";
7467                 else
7468                         $instance_qpart = "";
7469
7470                 if (DB_TYPE == "pgsql") {
7471                         $date_qpart = "last_connected < NOW() - INTERVAL '6 hours'";
7472                 } else {
7473                         $date_qpart = "last_connected < DATE_SUB(NOW(), INTERVAL 6 HOUR)";
7474                 }
7475
7476                 $result = db_query($link, "SELECT id, access_key, access_url FROM ttrss_linked_instances
7477                         WHERE $instance_qpart $date_qpart ORDER BY last_connected");
7478
7479                 while ($line = db_fetch_assoc($result)) {
7480                         $id = $line['id'];
7481
7482                         _debug("Updating: " . $line['access_url'] . " ($id)");
7483
7484                         $fetch_url = $line['access_url'] . '/backend.php?op=fbexport';
7485                         $post_query = 'key=' . $line['access_key'];
7486
7487                         $feeds = fetch_file_contents($fetch_url, false, false, false, $post_query);
7488
7489                         if ($feeds) {
7490                                 $feeds = json_decode($feeds, true);
7491
7492                                 if ($feeds) {
7493                                         if ($feeds['error']) {
7494                                                 $status = $feeds['error']['code'] + 10;
7495                                         } else {
7496                                                 $status = 1;
7497
7498                                                 if (count($feeds['feeds']) > 0) {
7499
7500                                                         db_query($link, "DELETE FROM ttrss_linked_feeds
7501                                                                 WHERE instance_id = '$id'");
7502
7503                                                         foreach ($feeds['feeds'] as $feed) {
7504                                                                 $feed_url = db_escape_string($feed['feed_url']);
7505                                                                 $title = db_escape_string($feed['title']);
7506                                                                 $subscribers = db_escape_string($feed['subscribers']);
7507                                                                 $site_url = db_escape_string($feed['site_url']);
7508
7509                                                                 db_query($link, "INSERT INTO ttrss_linked_feeds
7510                                                                         (feed_url, site_url, title, subscribers, instance_id, created, updated)
7511                                                                 VALUES
7512                                                                         ('$feed_url', '$site_url', '$title', '$subscribers', '$id', NOW(), NOW())");
7513                                                         }
7514                                                 } else {
7515                                                         // received 0 feeds, this might indicate that
7516                                                         // the instance on the other hand is rebuilding feedbrowser cache
7517                                                         // we will try again later
7518
7519                                                         // TODO: maybe perform expiration based on updated here?
7520                                                 }
7521
7522                                                 _debug("Processed " . count($feeds['feeds']) . " feeds.");
7523                                         }
7524                                 } else {
7525                                         $status = 2;
7526                                 }
7527
7528                         } else {
7529                                 $status = 0;
7530                         }
7531
7532                         _debug("Status: $status");
7533
7534                         db_query($link, "UPDATE ttrss_linked_instances SET
7535                                 last_status_out = '$status', last_connected = NOW() WHERE id = '$id'");
7536
7537                 }
7538
7539         }
7540 ?>