functions.php

   1 <?php
   2
   3         date_default_timezone_set('UTC');
   4         if (defined('E_DEPRECATED')) {
   5                 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
   6         } else {
   7                 error_reporting(E_ALL & ~E_NOTICE);
   8         }
   9
  10         require_once 'config.php';
  11
  12         if (DB_TYPE == "pgsql") {
  13                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  14         } else {
  15                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  16         }
  17
  18         define('THEME_VERSION_REQUIRED', 1.1);
  19
  20         /**
  21          * Return available translations names.
  22          *
  23          * @access public
  24          * @return array A array of available translations.
  25          */
  26         function get_translations() {
  27                 $tr = array(
  28                                         "auto"  => "Detect automatically",
  29                                         "ca_CA" => "Català",
  30                                         "en_US" => "English",
  31                                         "es_ES" => "Español",
  32                                         "de_DE" => "Deutsch",
  33                                         "fr_FR" => "Français",
  34                                         "hu_HU" => "Magyar (Hungarian)",
  35                                         "it_IT" => "Italiano",
  36                                         "ja_JP" => "日本語 (Japanese)",
  37                                         "nb_NO" => "Norwegian bokmål",
  38                                         "ru_RU" => "Русский",
  39                                         "pt_BR" => "Portuguese/Brazil",
  40                                         "zh_CN" => "Simplified Chinese");
  41
  42                 return $tr;
  43         }
  44
  45         if (ENABLE_TRANSLATIONS == true) { // If translations are enabled.
  46                 require_once "lib/accept-to-gettext.php";
  47                 require_once "lib/gettext/gettext.inc";
  48
  49                 function startup_gettext() {
  50
  51                         # Get locale from Accept-Language header
  52                         $lang = al2gt(array_keys(get_translations()), "text/html");
  53
  54                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  55                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  56                         }
  57
  58                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  59                                 $lang = $_COOKIE["ttrss_lang"];
  60                         }
  61
  62                         /* In login action of mobile version */
  63                         if ($_POST["language"] && defined('MOBILE_VERSION')) {
  64                                 $lang = $_POST["language"];
  65                                 $_COOKIE["ttrss_lang"] = $lang;
  66                         }
  67
  68                         if ($lang) {
  69                                 if (defined('LC_MESSAGES')) {
  70                                         _setlocale(LC_MESSAGES, $lang);
  71                                 } else if (defined('LC_ALL')) {
  72                                         _setlocale(LC_ALL, $lang);
  73                                 } else {
  74                                         die("can't setlocale(): please set ENABLE_TRANSLATIONS to false in config.php");
  75                                 }
  76
  77                                 if (defined('MOBILE_VERSION')) {
  78                                         _bindtextdomain("messages", "../locale");
  79                                 } else {
  80                                         _bindtextdomain("messages", "locale");
  81                                 }
  82
  83                                 _textdomain("messages");
  84                                 _bind_textdomain_codeset("messages", "UTF-8");
  85                         }
  86                 }
  87
  88                 startup_gettext();
  89
  90         } else { // If translations are enabled.
  91                 function __($msg) {
  92                         return $msg;
  93                 }
  94                 function startup_gettext() {
  95                         // no-op
  96                         return true;
  97                 }
  98         } // If translations are enabled.
  99
 100         if (defined('MEMCACHE_SERVER')) {
 101                 $memcache = new Memcache;
 102                 $memcache->connect(MEMCACHE_SERVER, 11211);
 103         }
 104
 105         require_once 'db-prefs.php';
 106         require_once 'errors.php';
 107         require_once 'version.php';
 108
 109         require_once 'lib/phpmailer/class.phpmailer.php';
 110         require_once 'lib/sphinxapi.php';
 111         require_once 'lib/tmhoauth/tmhOAuth.php';
 112
 113         //define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
 114         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
 115         define('MAGPIE_CACHE_AGE', 60*15); // 15 minutes
 116
 117         define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
 118         define('MAGPIE_USER_AGENT', SELF_USER_AGENT);
 119
 120         ini_set('user_agent', SELF_USER_AGENT);
 121
 122         require_once "lib/simplepie/simplepie.inc";
 123         require_once "lib/magpierss/rss_fetch.inc";
 124         require_once 'lib/magpierss/rss_utils.inc';
 125         require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
 126
 127         $config = HTMLPurifier_Config::createDefault();
 128
 129         $allowed = "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4,s";
 130
 131         $config->set('HTML', 'Allowed', $allowed);
 132         $purifier = new HTMLPurifier($config);
 133
 134         /**
 135          * Print a timestamped debug message.
 136          *
 137          * @param string $msg The debug message.
 138          * @return void
 139          */
 140         function _debug($msg) {
 141                 $ts = strftime("%H:%M:%S", time());
 142                 if (function_exists('posix_getpid')) {
 143                         $ts = "$ts/" . posix_getpid();
 144                 }
 145                 print "[$ts] $msg\n";
 146         } // function _debug
 147
 148         /**
 149          * Purge a feed old posts.
 150          *
 151          * @param mixed $link A database connection.
 152          * @param mixed $feed_id The id of the purged feed.
 153          * @param mixed $purge_interval Olderness of purged posts.
 154          * @param boolean $debug Set to True to enable the debug. False by default.
 155          * @access public
 156          * @return void
 157          */
 158         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 159
 160                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 161
 162                 $rows = -1;
 163
 164                 $result = db_query($link,
 165                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 166
 167                 $owner_uid = false;
 168
 169                 if (db_num_rows($result) == 1) {
 170                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 171                 }
 172
 173                 if ($purge_interval == -1 || !$purge_interval) {
 174                         if ($owner_uid) {
 175                                 ccache_update($link, $feed_id, $owner_uid);
 176                         }
 177                         return;
 178                 }
 179
 180                 if (!$owner_uid) return;
 181
 182                 if (FORCE_ARTICLE_PURGE == 0) {
 183                         $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 184                                 $owner_uid, false);
 185                 } else {
 186                         $purge_unread = true;
 187                         $purge_interval = FORCE_ARTICLE_PURGE;
 188                 }
 189
 190                 if (!$purge_unread) $query_limit = " unread = false AND ";
 191
 192                 if (DB_TYPE == "pgsql") {
 193 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 194                                 marked = false AND feed_id = '$feed_id' AND
 195                                 (SELECT date_updated FROM ttrss_entries WHERE
 196                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
 197
 198                         $pg_version = get_pgsql_version($link);
 199
 200                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 201
 202                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 203                                         ttrss_entries.id = ref_id AND
 204                                         marked = false AND
 205                                         feed_id = '$feed_id' AND
 206                                         $query_limit
 207                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 208
 209                         } else {
 210
 211                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 212                                         USING ttrss_entries
 213                                         WHERE ttrss_entries.id = ref_id AND
 214                                         marked = false AND
 215                                         feed_id = '$feed_id' AND
 216                                         $query_limit
 217                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 218                         }
 219
 220                         $rows = pg_affected_rows($result);
 221
 222                 } else {
 223
 224 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 225                                 marked = false AND feed_id = '$feed_id' AND
 226                                 (SELECT date_updated FROM ttrss_entries WHERE
 227                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 228
 229                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 230                                 USING ttrss_user_entries, ttrss_entries
 231                                 WHERE ttrss_entries.id = ref_id AND
 232                                 marked = false AND
 233                                 feed_id = '$feed_id' AND
 234                                 $query_limit
 235                                 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 236
 237                         $rows = mysql_affected_rows($link);
 238
 239                 }
 240
 241                 ccache_update($link, $feed_id, $owner_uid);
 242
 243                 if ($debug) {
 244                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 245                 }
 246         } // function purge_feed
 247
 248         /**
 249          * Purge old posts from old feeds. Not used anymore, purging is done after feed update.
 250          *
 251          * @param mixed $link A database connection
 252          * @param boolean $do_output Set to true to enable printed output, false by default.
 253          * @param integer $limit The maximal number of removed posts.
 254          * @access public
 255          * @return void
 256          */
 257         /* function global_purge_old_posts($link, $do_output = false, $limit = false) {
 258
 259                 $random_qpart = sql_random_function();
 260
 261                 if ($limit) {
 262                         $limit_qpart = "LIMIT $limit";
 263                 } else {
 264                         $limit_qpart = "";
 265                 }
 266
 267                 $result = db_query($link,
 268                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 269                                 ORDER BY $random_qpart $limit_qpart");
 270
 271                 while ($line = db_fetch_assoc($result)) {
 272
 273                         $feed_id = $line["id"];
 274                         $purge_interval = $line["purge_interval"];
 275                         $owner_uid = $line["owner_uid"];
 276
 277                         if ($purge_interval == 0) {
 278
 279                                 $tmp_result = db_query($link,
 280                                         "SELECT value FROM ttrss_user_prefs WHERE
 281                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 282
 283                                 if (db_num_rows($tmp_result) != 0) {
 284                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 285                                 }
 286                         }
 287
 288                         if ($do_output) {
 289 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 290                         }
 291
 292                         if ($purge_interval > 0 || FORCE_ARTICLE_PURGE) {
 293                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 294                         }
 295                 }
 296
 297                 purge_orphans($link, $do_output);
 298
 299         } // function global_purge_old_posts */
 300
 301         function feed_purge_interval($link, $feed_id) {
 302
 303                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 304                         WHERE id = '$feed_id'");
 305
 306                 if (db_num_rows($result) == 1) {
 307                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 308                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 309
 310                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 311                                 'PURGE_OLD_DAYS', $owner_uid);
 312
 313                         return $purge_interval;
 314
 315                 } else {
 316                         return -1;
 317                 }
 318         }
 319
 320         function purge_old_posts($link) {
 321
 322                 $user_id = $_SESSION["uid"];
 323
 324                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 325                         WHERE owner_uid = '$user_id'");
 326
 327                 while ($line = db_fetch_assoc($result)) {
 328
 329                         $feed_id = $line["id"];
 330                         $purge_interval = $line["purge_interval"];
 331
 332                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 333
 334                         if ($purge_interval > 0) {
 335                                 purge_feed($link, $feed_id, $purge_interval);
 336                         }
 337                 }
 338
 339                 purge_orphans($link);
 340         }
 341
 342         function purge_orphans($link, $do_output = false) {
 343
 344                 // purge orphaned posts in main content table
 345                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 346                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 347
 348                 if ($do_output) {
 349                         $rows = db_affected_rows($link, $result);
 350                         _debug("Purged $rows orphaned posts.");
 351                 }
 352         }
 353
 354         function get_feed_update_interval($link, $feed_id) {
 355                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 356                         ttrss_feeds WHERE id = '$feed_id'");
 357
 358                 if (db_num_rows($result) == 1) {
 359                         $update_interval = db_fetch_result($result, 0, "update_interval");
 360                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 361
 362                         if ($update_interval != 0) {
 363                                 return $update_interval;
 364                         } else {
 365                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 366                         }
 367
 368                 } else {
 369                         return -1;
 370                 }
 371         }
 372
 373         function fetch_file_contents($url, $type = false, $login = false, $pass = false) {
 374                 $login = urlencode($login);
 375                 $pass = urlencode($pass);
 376
 377                 if (USE_CURL) {
 378                         $ch = curl_init($url);
 379
 380                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 381                         curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 382                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
 383                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
 384                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 385                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 386                         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
 387                         curl_setopt($fp, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
 388
 389                         if ($login && $pass)
 390                                 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
 391
 392                         $contents = @curl_exec($ch);
 393                         if ($contents === false) {
 394                                 curl_close($ch);
 395                                 return false;
 396                         }
 397
 398                         $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
 399                         $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 400                         curl_close($ch);
 401
 402                         if ($http_code != 200 || $type && strpos($content_type, "$type") === false) {
 403                                 return false;
 404                         }
 405
 406                         return $contents;
 407                 } else {
 408                         if ($login && $pass && $updated != 3) {
 409                                 $url_parts = array();
 410
 411                                 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
 412
 413                                 if ($url_parts[1] && $url_parts[2]) {
 414                                         $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
 415                                 }
 416                         }
 417
 418                         return @file_get_contents($url);
 419                 }
 420
 421         }
 422
 423         /**
 424          * Try to determine the favicon URL for a feed.
 425          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 426          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 427          *
 428          * @param string $url A feed or page URL
 429          * @access public
 430          * @return mixed The favicon URL, or false if none was found.
 431          */
 432         function get_favicon_url($url) {
 433
 434                 $favicon_url = false;
 435
 436                 if ($html = @fetch_file_contents($url)) {
 437
 438                         libxml_use_internal_errors(true);
 439
 440                         $doc = new DOMDocument();
 441                         $doc->loadHTML($html);
 442                         $xpath = new DOMXPath($doc);
 443                         $entries = $xpath->query('/html/head/link[@rel="shortcut icon"]');
 444
 445                         if (count($entries) > 0) {
 446                                 foreach ($entries as $entry) {
 447                                         $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
 448                                         break;
 449                                 }
 450                         }
 451                 }
 452
 453                 if (!$favicon_url)
 454                         $favicon_url = rewrite_relative_url($url, "/favicon.ico");
 455
 456                 // Run a test to see if what we have attempted to get actually exists.
 457                 if(USE_CURL || url_validate($favicon_url)) {
 458                         return $favicon_url;
 459                 } else {
 460                         return false;
 461                 }
 462         } // function get_favicon_url
 463
 464         /**
 465          * Check if a link is a valid and working URL.
 466          *
 467          * @param mixed $link A URL to check
 468          * @access public
 469          * @return boolean True if the URL is valid, false otherwise.
 470          */
 471         function url_validate($link) {
 472
 473                 $url_parts = @parse_url($link);
 474
 475                 if ( empty( $url_parts["host"] ) )
 476                                 return false;
 477
 478                 if ( !empty( $url_parts["path"] ) ) {
 479                                 $documentpath = $url_parts["path"];
 480                 } else {
 481                                 $documentpath = "/";
 482                 }
 483
 484                 if ( !empty( $url_parts["query"] ) )
 485                                 $documentpath .= "?" . $url_parts["query"];
 486
 487                 $host = $url_parts["host"];
 488                 $port = $url_parts["port"];
 489
 490                 if ( empty($port) )
 491                                 $port = "80";
 492
 493                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 494
 495                 if ( !$socket )
 496                                 return false;
 497
 498                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 499
 500                 $http_response = fgets( $socket, 22 );
 501
 502                 $responses = "/(200 OK)|(30[123])/";
 503                 if ( preg_match($responses, $http_response) ) {
 504                                 fclose($socket);
 505                                 return true;
 506                 } else {
 507                                 return false;
 508                 }
 509
 510         } // function url_validate
 511
 512         function check_feed_favicon($site_url, $feed, $link) {
 513                 $favicon_url = get_favicon_url($site_url);
 514
 515 #               print "FAVICON [$site_url]: $favicon_url\n";
 516
 517                 $icon_file = ICONS_DIR . "/$feed.ico";
 518
 519                 if ($favicon_url && !file_exists($icon_file)) {
 520                         $contents = fetch_file_contents($favicon_url, "image");
 521
 522                         if ($contents) {
 523                                 $fp = fopen($icon_file, "w");
 524
 525                                 if ($fp) {
 526                                         fwrite($fp, $contents);
 527                                         fclose($fp);
 528                                         chmod($icon_file, 0644);
 529                                 }
 530                         }
 531                 }
 532         }
 533
 534         function update_rss_feed($link, $feed, $ignore_daemon = false) {
 535
 536                 global $memcache;
 537
 538                 /* Update all feeds with the same URL to utilize memcache */
 539
 540                 if ($memcache) {
 541                         $result = db_query($link, "SELECT f1.id
 542                                 FROM ttrss_feeds AS f1, ttrss_feeds AS f2
 543                                 WHERE   f2.feed_url = f1.feed_url AND f2.id = '$feed'");
 544
 545                         while ($line = db_fetch_assoc($result)) {
 546                                 update_rss_feed_real($link, $line["id"], $ignore_daemon);
 547                         }
 548                 } else {
 549                         update_rss_feed_real($link, $feed, $ignore_daemon);
 550                 }
 551         }
 552
 553         function update_rss_feed_real($link, $feed, $ignore_daemon = false) {
 554
 555                 global $memcache;
 556
 557                 if (!$_REQUEST["daemon"] && !$ignore_daemon) {
 558                         return false;
 559                 }
 560
 561                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 562                         _debug("update_rss_feed: start");
 563                 }
 564
 565                 if (!$ignore_daemon) {
 566
 567                         if (DB_TYPE == "pgsql") {
 568                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 569                                 } else {
 570                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 571                                 }
 572
 573                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 574                                 auth_pass,cache_images,update_method
 575                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 576
 577                 } else {
 578
 579                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 580                                 feed_url,auth_pass,cache_images,update_method,last_updated,
 581                                 owner_uid
 582                                 FROM ttrss_feeds WHERE id = '$feed'");
 583
 584                 }
 585
 586                 if (db_num_rows($result) == 0) {
 587                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 588                                 _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED");
 589                         }
 590                         return false;
 591                 }
 592
 593                 $update_method = db_fetch_result($result, 0, "update_method");
 594                 $last_updated = db_fetch_result($result, 0, "last_updated");
 595                 $owner_uid = db_fetch_result($result, 0, "owner_uid");
 596
 597                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 598                         WHERE id = '$feed'");
 599
 600                 $auth_login = db_fetch_result($result, 0, "auth_login");
 601                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 602
 603                 if ($update_method == 0)
 604                         $update_method = DEFAULT_UPDATE_METHOD + 1;
 605
 606                 // 1 - Magpie
 607                 // 2 - SimplePie
 608                 // 3 - Twitter OAuth
 609
 610                 if ($update_method == 2)
 611                         $use_simplepie = true;
 612                 else
 613                         $use_simplepie = false;
 614
 615                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 616                         _debug("update method: $update_method (feed setting: $update_method) (use simplepie: $use_simplepie)\n");
 617                 }
 618
 619                 if ($update_method == 1) {
 620                         $auth_login = urlencode($auth_login);
 621                         $auth_pass = urlencode($auth_pass);
 622                 }
 623
 624                 $update_interval = db_fetch_result($result, 0, "update_interval");
 625                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 626                 $fetch_url = db_fetch_result($result, 0, "feed_url");
 627
 628                 if ($update_interval < 0) { return; }
 629
 630                 $feed = db_escape_string($feed);
 631
 632                 if ($auth_login && $auth_pass && $updated != 3) {
 633                         $url_parts = array();
 634                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 635
 636                         if ($url_parts[1] && $url_parts[2]) {
 637                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 638                         }
 639
 640                 }
 641
 642                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 643                         _debug("update_rss_feed: fetching [$fetch_url]...");
 644                 }
 645
 646                 $obj_id = md5("FDATA:$use_simplepie:$fetch_url");
 647
 648                 if ($memcache && $obj = $memcache->get($obj_id)) {
 649
 650                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 651                                 _debug("update_rss_feed: data found in memcache.");
 652                         }
 653
 654                         $rss = $obj;
 655
 656                 } else {
 657
 658                         if ($update_method == 3) {
 659                                 $rss = fetch_twitter_rss($link, $fetch_url, $owner_uid);
 660                                         } else if ($update_method == 1) {
 661                                 $rss = @fetch_rss($fetch_url);
 662                         } else {
 663                                 if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 664                                         mkdir(SIMPLEPIE_CACHE_DIR);
 665                                 }
 666
 667                                 $rss = new SimplePie();
 668                                 $rss->set_useragent(SELF_USER_AGENT);
 669         #                       $rss->set_timeout(10);
 670                                 $rss->set_feed_url($fetch_url);
 671                                 $rss->set_output_encoding('UTF-8');
 672
 673                                 if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 674
 675                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 676                                                 _debug("enabling image cache");
 677                                         }
 678
 679                                         $rss->set_image_handler("image.php", 'i');
 680                                 }
 681
 682                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 683                                         _debug("feed update interval (sec): " .
 684                                                 get_feed_update_interval($link, $feed)*60);
 685                                 }
 686
 687                                 if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 688                                         $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 689                                         $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 690                                 }
 691
 692                                 $rss->init();
 693                         }
 694
 695                         if ($memcache && $rss) $memcache->add($obj_id, $rss, 0, 300);
 696                 }
 697
 698 //              print_r($rss);
 699
 700                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 701                         _debug("update_rss_feed: fetch done, parsing...");
 702                 }
 703
 704                 $feed = db_escape_string($feed);
 705
 706                 if ($update_method == 2) {
 707                         $fetch_ok = !$rss->error();
 708                 } else {
 709                         $fetch_ok = !!$rss;
 710                 }
 711
 712                 if ($fetch_ok) {
 713
 714                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 715                                 _debug("update_rss_feed: processing feed data...");
 716                         }
 717
 718 //                      db_query($link, "BEGIN");
 719
 720                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 721                                 FROM ttrss_feeds WHERE id = '$feed'");
 722
 723                         $registered_title = db_fetch_result($result, 0, "title");
 724                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 725                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 726
 727                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 728
 729                         if ($use_simplepie) {
 730                                 $site_url = $rss->get_link();
 731                         } else {
 732                                 $site_url = $rss->channel["link"];
 733                         }
 734
 735                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 736                                 _debug("update_rss_feed: checking favicon...");
 737                         }
 738
 739                         check_feed_favicon($site_url, $feed, $link);
 740
 741                         if (!$registered_title || $registered_title == "[Unknown]") {
 742
 743                                 if ($use_simplepie) {
 744                                         $feed_title = db_escape_string($rss->get_title());
 745                                 } else {
 746                                         $feed_title = db_escape_string($rss->channel["title"]);
 747                                 }
 748
 749                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 750                                         _debug("update_rss_feed: registering title: $feed_title");
 751                                 }
 752
 753                                 db_query($link, "UPDATE ttrss_feeds SET
 754                                         title = '$feed_title' WHERE id = '$feed'");
 755                         }
 756
 757                         // weird, weird Magpie
 758                         if (!$use_simplepie) {
 759                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 760                         }
 761
 762                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 763                                 db_query($link, "UPDATE ttrss_feeds SET
 764                                         site_url = '$site_url' WHERE id = '$feed'");
 765                         }
 766
 767 //                      print "I: " . $rss->channel["image"]["url"];
 768
 769                         if (!$use_simplepie) {
 770                                 $icon_url = db_escape_string($rss->image["url"]);
 771                         } else {
 772                                 $icon_url = db_escape_string($rss->get_image_url());
 773                         }
 774
 775                         $icon_url = substr($icon_url, 0, 250);
 776
 777                         if ($icon_url && $orig_icon_url != $icon_url) {
 778                                 if (USE_CURL || url_validate($icon_url)) {
 779                                         db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 780                                 }
 781                         }
 782
 783                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 784                                 _debug("update_rss_feed: loading filters...");
 785                         }
 786
 787                         $filters = load_filters($link, $feed, $owner_uid);
 788
 789                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 790                                 print_r($filters);
 791                         }
 792
 793                         if ($use_simplepie) {
 794                                 $iterator = $rss->get_items();
 795                         } else {
 796                                 $iterator = $rss->items;
 797                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 798                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 799                         }
 800
 801                         if (!is_array($iterator)) {
 802                                 /* db_query($link, "UPDATE ttrss_feeds
 803                                         SET last_error = 'Parse error: can\'t find any articles.'
 804                                         WHERE id = '$feed'"); */
 805
 806                                 // clear any errors and mark feed as updated if fetched okay
 807                                 // even if it's blank
 808
 809                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 810                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 811                                 }
 812
 813                                 db_query($link, "UPDATE ttrss_feeds
 814                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 815
 816                                 return; // no articles
 817                         }
 818
 819                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 820                                 _debug("update_rss_feed: processing articles...");
 821                         }
 822
 823                         foreach ($iterator as $item) {
 824
 825                                 if ($_REQUEST['xdebug'] == 2) {
 826                                         print_r($item);
 827                                 }
 828
 829                                 if ($use_simplepie) {
 830                                         $entry_guid = $item->get_id();
 831                                         if (!$entry_guid) $entry_guid = $item->get_link();
 832                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 833
 834                                 } else {
 835
 836                                         $entry_guid = $item["id"];
 837
 838                                         if (!$entry_guid) $entry_guid = $item["guid"];
 839                                         if (!$entry_guid) $entry_guid = $item["about"];
 840                                         if (!$entry_guid) $entry_guid = $item["link"];
 841                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 842                                 }
 843
 844                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 845                                         _debug("update_rss_feed: guid $entry_guid");
 846                                 }
 847
 848                                 if (!$entry_guid) continue;
 849
 850                                 $entry_timestamp = "";
 851
 852                                 if ($use_simplepie) {
 853                                         $entry_timestamp = strtotime($item->get_date());
 854                                 } else {
 855                                         $rss_2_date = $item['pubdate'];
 856                                         $rss_1_date = $item['dc']['date'];
 857                                         $atom_date = $item['issued'];
 858                                         if (!$atom_date) $atom_date = $item['updated'];
 859
 860                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 861                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 862                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 863
 864                                 }
 865
 866                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 867                                         $entry_timestamp = time();
 868                                         $no_orig_date = 'true';
 869                                 } else {
 870                                         $no_orig_date = 'false';
 871                                 }
 872
 873                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 874
 875                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 876                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
 877                                 }
 878
 879                                 if ($use_simplepie) {
 880                                         $entry_title = $item->get_title();
 881                                 } else {
 882                                         $entry_title = trim(strip_tags($item["title"]));
 883                                 }
 884
 885                                 if ($use_simplepie) {
 886                                         $entry_link = $item->get_link();
 887                                 } else {
 888                                         // strange Magpie workaround
 889                                         $entry_link = $item["link_"];
 890                                         if (!$entry_link) $entry_link = $item["link"];
 891                                 }
 892
 893                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 894                                         _debug("update_rss_feed: title $entry_title");
 895                                 }
 896
 897                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 898
 899                                 $entry_link = strip_tags($entry_link);
 900
 901                                 if ($use_simplepie) {
 902                                         $entry_content = $item->get_content();
 903                                         if (!$entry_content) $entry_content = $item->get_description();
 904                                 } else {
 905                                         $entry_content = $item["content:escaped"];
 906
 907                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 908                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 909                                         if (!$entry_content) $entry_content = $item["content"];
 910
 911                                         // Magpie bugs are getting ridiculous
 912                                         if (trim($entry_content) == "Array") $entry_content = false;
 913
 914                                         if (!$entry_content) $entry_content = $item["atom_content"];
 915                                         if (!$entry_content) $entry_content = $item["summary"];
 916
 917                                         if (!$entry_content ||
 918                                                 strlen($entry_content) < strlen($item["description"])) {
 919                                                         $entry_content = $item["description"];
 920                                         };
 921
 922                                         // WTF
 923                                         if (is_array($entry_content)) {
 924                                                 $entry_content = $entry_content["encoded"];
 925                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 926                                         }
 927                                 }
 928
 929                                 if ($_REQUEST["xdebug"] == 2) {
 930                                         print "update_rss_feed: content: ";
 931                                         print_r(htmlspecialchars($entry_content));
 932                                 }
 933
 934                                 $entry_content_unescaped = $entry_content;
 935
 936                                 if ($use_simplepie) {
 937                                         $entry_comments = strip_tags($item->data["comments"]);
 938                                         if ($item->get_author()) {
 939                                                 $entry_author_item = $item->get_author();
 940                                                 $entry_author = $entry_author_item->get_name();
 941                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 942
 943                                                 $entry_author = db_escape_string($entry_author);
 944                                         }
 945                                 } else {
 946                                         $entry_comments = strip_tags($item["comments"]);
 947
 948                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 949
 950                                         if ($item['author']) {
 951
 952                                                 if (is_array($item['author'])) {
 953
 954                                                         if (!$entry_author) {
 955                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 956                                                         }
 957
 958                                                         if (!$entry_author) {
 959                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 960                                                         }
 961                                                 }
 962
 963                                                 if (!$entry_author) {
 964                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 965                                                 }
 966                                         }
 967                                 }
 968
 969                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 970
 971                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 972                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 973
 974                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 975                                         WHERE guid = '$entry_guid'");
 976
 977                                 $entry_content = db_escape_string($entry_content, false);
 978
 979                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 980
 981                                 $entry_title = db_escape_string($entry_title);
 982                                 $entry_link = db_escape_string($entry_link);
 983                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 984                                 $entry_author = mb_substr($entry_author, 0, 250);
 985
 986                                 if ($use_simplepie) {
 987                                         $num_comments = 0; #FIXME#
 988                                 } else {
 989                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 990                                 }
 991
 992                                 if (!$num_comments) $num_comments = 0;
 993
 994                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 995                                         _debug("update_rss_feed: looking for tags [1]...");
 996                                 }
 997
 998                                 // parse <category> entries into tags
 999
1000                                 $additional_tags = array();
1001
1002                                 if ($use_simplepie) {
1003
1004                                         $additional_tags_src = $item->get_categories();
1005
1006                                         if (is_array($additional_tags_src)) {
1007                                                 foreach ($additional_tags_src as $tobj) {
1008                                                         array_push($additional_tags, $tobj->get_term());
1009                                                 }
1010                                         }
1011
1012                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1013                                                 _debug("update_rss_feed: category tags:");
1014                                                 print_r($additional_tags);
1015                                         }
1016
1017                                 } else {
1018
1019                                         $t_ctr = $item['category#'];
1020
1021                                         if ($t_ctr == 0) {
1022                                                 $additional_tags = array();
1023                                         } else if ($t_ctr > 0) {
1024                                                 $additional_tags = array($item['category']);
1025
1026                                                 if ($item['category@term']) {
1027                                                         array_push($additional_tags, $item['category@term']);
1028                                                 }
1029
1030                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1031                                                         if ($item["category#$i"]) {
1032                                                                 array_push($additional_tags, $item["category#$i"]);
1033                                                         }
1034
1035                                                         if ($item["category#$i@term"]) {
1036                                                                 array_push($additional_tags, $item["category#$i@term"]);
1037                                                         }
1038                                                 }
1039                                         }
1040
1041                                         // parse <dc:subject> elements
1042
1043                                         $t_ctr = $item['dc']['subject#'];
1044
1045                                         if ($t_ctr > 0) {
1046                                                 array_push($additional_tags, $item['dc']['subject']);
1047
1048                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1049                                                         if ($item['dc']["subject#$i"]) {
1050                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
1051                                                         }
1052                                                 }
1053                                         }
1054                                 }
1055
1056                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1057                                         _debug("update_rss_feed: looking for tags [2]...");
1058                                 }
1059
1060                                 /* taaaags */
1061                                 // <a href="..." rel="tag">Xorg</a>, //
1062
1063                                 $entry_tags = null;
1064
1065                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?\>([^<]+)<\/a>/i",
1066                                         $entry_content_unescaped, $entry_tags);
1067
1068                                 $entry_tags = $entry_tags[1];
1069
1070                                 $entry_tags = array_merge($entry_tags, $additional_tags);
1071                                 $entry_tags = array_unique($entry_tags);
1072
1073                                 for ($i = 0; $i < count($entry_tags); $i++)
1074                                         $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
1075
1076                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1077                                         _debug("update_rss_feed: unfiltered tags found:");
1078                                         print_r($entry_tags);
1079                                 }
1080
1081                                 # sanitize content
1082
1083                                 $entry_content = sanitize_article_content($entry_content);
1084                                 $entry_title = sanitize_article_content($entry_title);
1085
1086                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1087                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1088                                 }
1089
1090                                 db_query($link, "BEGIN");
1091
1092                                 if (db_num_rows($result) == 0) {
1093
1094                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1095                                                 _debug("update_rss_feed: base guid not found");
1096                                         }
1097
1098                                         // base post entry does not exist, create it
1099
1100                                         $result = db_query($link,
1101                                                 "INSERT INTO ttrss_entries
1102                                                         (title,
1103                                                         guid,
1104                                                         link,
1105                                                         updated,
1106                                                         content,
1107                                                         content_hash,
1108                                                         no_orig_date,
1109                                                         date_updated,
1110                                                         date_entered,
1111                                                         comments,
1112                                                         num_comments,
1113                                                         author)
1114                                                 VALUES
1115                                                         ('$entry_title',
1116                                                         '$entry_guid',
1117                                                         '$entry_link',
1118                                                         '$entry_timestamp_fmt',
1119                                                         '$entry_content',
1120                                                         '$content_hash',
1121                                                         $no_orig_date,
1122                                                         NOW(),
1123                                                         NOW(),
1124                                                         '$entry_comments',
1125                                                         '$num_comments',
1126                                                         '$entry_author')");
1127                                 } else {
1128                                         // we keep encountering the entry in feeds, so we need to
1129                                         // update date_updated column so that we don't get horrible
1130                                         // dupes when the entry gets purged and reinserted again e.g.
1131                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1132
1133                                         $base_entry_id = db_fetch_result($result, 0, "id");
1134
1135                                         db_query($link, "UPDATE ttrss_entries SET date_updated = NOW()
1136                                                 WHERE id = '$base_entry_id'");
1137                                 }
1138
1139                                 // now it should exist, if not - bad luck then
1140
1141                                 $result = db_query($link, "SELECT
1142                                                 id,content_hash,no_orig_date,title,
1143                                                 ".SUBSTRING_FOR_DATE."(date_updated,1,19) as date_updated,
1144                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1145                                                 num_comments
1146                                         FROM
1147                                                 ttrss_entries
1148                                         WHERE guid = '$entry_guid'");
1149
1150                                 $entry_ref_id = 0;
1151                                 $entry_int_id = 0;
1152
1153                                 if (db_num_rows($result) == 1) {
1154
1155                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1156                                                 _debug("update_rss_feed: base guid found, checking for user record");
1157                                         }
1158
1159                                         // this will be used below in update handler
1160                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1161                                         $orig_title = db_fetch_result($result, 0, "title");
1162                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1163                                         $orig_date_updated = strtotime(db_fetch_result($result,
1164                                                 0, "date_updated"));
1165
1166                                         $ref_id = db_fetch_result($result, 0, "id");
1167                                         $entry_ref_id = $ref_id;
1168
1169                                         // check for user post link to main table
1170
1171                                         // do we allow duplicate posts with same GUID in different feeds?
1172                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1173                                                 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
1174                                         } else {
1175                                                 $dupcheck_qpart = "";
1176                                         }
1177
1178                                         /* Collect article tags here so we could filter by them: */
1179
1180                                         $article_filters = get_article_filters($filters, $entry_title,
1181                                                 $entry_content, $entry_link, $entry_timestamp, $entry_author,
1182                                                 $entry_tags);
1183
1184                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1185                                                 _debug("update_rss_feed: article filters: ");
1186                                                 if (count($article_filters) != 0) {
1187                                                         print_r($article_filters);
1188                                                 }
1189                                         }
1190
1191                                         if (find_article_filter($article_filters, "filter")) {
1192                                                 db_query($link, "COMMIT"); // close transaction in progress
1193                                                 continue;
1194                                         }
1195
1196                                         $score = calculate_article_score($article_filters);
1197
1198                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1199                                                 _debug("update_rss_feed: initial score: $score");
1200                                         }
1201
1202                                         $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1203                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1204                                                         $dupcheck_qpart";
1205
1206 //                                      if ($_REQUEST["xdebug"]) print "$query\n";
1207
1208                                         $result = db_query($link, $query);
1209
1210                                         // okay it doesn't exist - create user entry
1211                                         if (db_num_rows($result) == 0) {
1212
1213                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1214                                                         _debug("update_rss_feed: user record not found, creating...");
1215                                                 }
1216
1217                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1218                                                         $unread = 'true';
1219                                                         $last_read_qpart = 'NULL';
1220                                                 } else {
1221                                                         $unread = 'false';
1222                                                         $last_read_qpart = 'NOW()';
1223                                                 }
1224
1225                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1226                                                         $marked = 'true';
1227                                                 } else {
1228                                                         $marked = 'false';
1229                                                 }
1230
1231                                                 if (find_article_filter($article_filters, 'publish')) {
1232                                                         $published = 'true';
1233                                                 } else {
1234                                                         $published = 'false';
1235                                                 }
1236
1237                                                 $result = db_query($link,
1238                                                         "INSERT INTO ttrss_user_entries
1239                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1240                                                                         published, score, tag_cache, label_cache)
1241                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1242                                                                 $last_read_qpart, $marked, $published, '$score', '', '')");
1243
1244                                                 $result = db_query($link,
1245                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1246                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1247                                                                 feed_id = '$feed' LIMIT 1");
1248
1249                                                 if (db_num_rows($result) == 1) {
1250                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1251                                                 }
1252                                         } else {
1253                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1254                                                         _debug("update_rss_feed: user record FOUND");
1255                                                 }
1256
1257                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1258                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1259                                         }
1260
1261                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1262                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1263                                         }
1264
1265                                         $post_needs_update = false;
1266
1267                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1268                                                 ($content_hash != $orig_content_hash)) {
1269 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1270                                                 $post_needs_update = true;
1271                                         }
1272
1273                                         if (db_escape_string($orig_title) != $entry_title) {
1274                                                 $post_needs_update = true;
1275                                         }
1276
1277                                         if ($orig_num_comments != $num_comments) {
1278                                                 $post_needs_update = true;
1279                                         }
1280
1281 //                                      this doesn't seem to be very reliable
1282 //
1283 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1284 //                                              $post_needs_update = true;
1285 //                                      }
1286
1287                                         // if post needs update, update it and mark all user entries
1288                                         // linking to this post as updated
1289                                         if ($post_needs_update) {
1290
1291                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1292                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1293                                                 }
1294
1295 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1296
1297                                                 db_query($link, "UPDATE ttrss_entries
1298                                                         SET title = '$entry_title', content = '$entry_content',
1299                                                                 content_hash = '$content_hash',
1300                                                                 num_comments = '$num_comments'
1301                                                         WHERE id = '$ref_id'");
1302
1303                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1304                                                         db_query($link, "UPDATE ttrss_user_entries
1305                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1306                                                 } else {
1307                                                         db_query($link, "UPDATE ttrss_user_entries
1308                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1309                                                 }
1310
1311                                         }
1312                                 }
1313
1314                                 db_query($link, "COMMIT");
1315
1316                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1317                                         _debug("update_rss_feed: assigning labels...");
1318                                 }
1319
1320                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1321                                         $owner_uid);
1322
1323                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1324                                         _debug("update_rss_feed: looking for enclosures...");
1325                                 }
1326
1327                                 // enclosures
1328
1329                                 $enclosures = array();
1330
1331                                 if ($use_simplepie) {
1332                                         $encs = $item->get_enclosures();
1333
1334                                         if (is_array($encs)) {
1335                                                 foreach ($encs as $e) {
1336                                                         $e_item = array(
1337                                                                 $e->link, $e->type, $e->length);
1338
1339                                                         array_push($enclosures, $e_item);
1340                                                 }
1341                                         }
1342
1343                                 } else {
1344                                         // <enclosure>
1345
1346                                         $e_ctr = $item['enclosure#'];
1347
1348                                         if ($e_ctr > 0) {
1349                                                 $e_item = array($item['enclosure@url'],
1350                                                         $item['enclosure@type'],
1351                                                         $item['enclosure@length']);
1352
1353                                                 array_push($enclosures, $e_item);
1354
1355                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1356
1357                                                         if ($item["enclosure#$i@url"]) {
1358                                                                 $e_item = array($item["enclosure#$i@url"],
1359                                                                         $item["enclosure#$i@type"],
1360                                                                         $item["enclosure#$i@length"]);
1361                                                                 array_push($enclosures, $e_item);
1362                                                         }
1363                                                 }
1364                                         }
1365
1366                                         // <media:content>
1367                                         // can there be many of those? yes -fox
1368
1369                                         $m_ctr = $item['media']['content#'];
1370
1371                                         if ($m_ctr > 0) {
1372                                                 $e_item = array($item['media']['content@url'],
1373                                                         $item['media']['content@medium'],
1374                                                         $item['media']['content@length']);
1375
1376                                                 array_push($enclosures, $e_item);
1377
1378                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1379
1380                                                         if ($item["media"]["content#$i@url"]) {
1381                                                                 $e_item = array($item["media"]["content#$i@url"],
1382                                                                         $item["media"]["content#$i@medium"],
1383                                                                         $item["media"]["content#$i@length"]);
1384                                                                 array_push($enclosures, $e_item);
1385                                                         }
1386                                                 }
1387
1388                                         }
1389                                 }
1390
1391
1392                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1393                                         _debug("update_rss_feed: article enclosures:");
1394                                         print_r($enclosures);
1395                                 }
1396
1397                                 db_query($link, "BEGIN");
1398
1399                                 foreach ($enclosures as $enc) {
1400                                         $enc_url = db_escape_string($enc[0]);
1401                                         $enc_type = db_escape_string($enc[1]);
1402                                         $enc_dur = db_escape_string($enc[2]);
1403
1404                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1405                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1406
1407                                         if (db_num_rows($result) == 0) {
1408                                                 db_query($link, "INSERT INTO ttrss_enclosures
1409                                                         (content_url, content_type, title, duration, post_id) VALUES
1410                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1411                                         }
1412                                 }
1413
1414                                 db_query($link, "COMMIT");
1415
1416                                 // check for manual tags (we have to do it here since they're loaded from filters)
1417
1418                                 foreach ($article_filters as $f) {
1419                                         if ($f[0] == "tag") {
1420
1421                                                 $manual_tags = trim_array(split(",", $f[1]));
1422
1423                                                 foreach ($manual_tags as $tag) {
1424                                                         if (tag_is_valid($tag)) {
1425                                                                 array_push($entry_tags, $tag);
1426                                                         }
1427                                                 }
1428                                         }
1429                                 }
1430
1431                                 // Skip boring tags
1432
1433                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1434                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1435
1436                                 $filtered_tags = array();
1437                                 $tags_to_cache = array();
1438
1439                                 if ($entry_tags && is_array($entry_tags)) {
1440                                         foreach ($entry_tags as $tag) {
1441                                                 if (array_search($tag, $boring_tags) === false) {
1442                                                         array_push($filtered_tags, $tag);
1443                                                 }
1444                                         }
1445                                 }
1446
1447                                 $filtered_tags = array_unique($filtered_tags);
1448
1449                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1450                                         _debug("update_rss_feed: filtered article tags:");
1451                                         print_r($filtered_tags);
1452                                 }
1453
1454                                 // Save article tags in the database
1455
1456                                 if (count($filtered_tags) > 0) {
1457
1458                                         db_query($link, "BEGIN");
1459
1460                                         foreach ($filtered_tags as $tag) {
1461
1462                                                 $tag = sanitize_tag($tag);
1463                                                 $tag = db_escape_string($tag);
1464
1465                                                 if (!tag_is_valid($tag)) continue;
1466
1467                                                 $result = db_query($link, "SELECT id FROM ttrss_tags
1468                                                         WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1469                                                         owner_uid = '$owner_uid' LIMIT 1");
1470
1471                                                         if ($result && db_num_rows($result) == 0) {
1472
1473                                                                 db_query($link, "INSERT INTO ttrss_tags
1474                                                                         (owner_uid,tag_name,post_int_id)
1475                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1476                                                         }
1477
1478                                                 array_push($tags_to_cache, $tag);
1479                                         }
1480
1481                                         /* update the cache */
1482
1483                                         $tags_to_cache = array_unique($tags_to_cache);
1484
1485                                         $tags_str = db_escape_string(join(",", $tags_to_cache));
1486
1487                                         db_query($link, "UPDATE ttrss_user_entries
1488                                                 SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id'
1489                                                 AND owner_uid = $owner_uid");
1490
1491                                         db_query($link, "COMMIT");
1492                                 }
1493
1494                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1495                                         _debug("update_rss_feed: article processed");
1496                                 }
1497                         }
1498
1499                         if (!$last_updated) {
1500                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1501                                         _debug("update_rss_feed: new feed, catching it up...");
1502                                 }
1503                                 catchup_feed($link, $feed, false, $owner_uid);
1504                         }
1505
1506                         purge_feed($link, $feed, 0);
1507
1508                         db_query($link, "UPDATE ttrss_feeds
1509                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1510
1511 //                      db_query($link, "COMMIT");
1512
1513                 } else {
1514
1515                         if ($use_simplepie) {
1516                                 $error_msg = mb_substr($rss->error(), 0, 250);
1517                         } else {
1518                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1519                         }
1520
1521                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1522                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1523                         }
1524
1525                         $error_msg = db_escape_string($error_msg);
1526
1527                         db_query($link,
1528                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1529                                         last_updated = NOW() WHERE id = '$feed'");
1530                 }
1531
1532                 if ($use_simplepie) {
1533                         unset($rss);
1534                 }
1535
1536                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1537                         _debug("update_rss_feed: done");
1538                 }
1539
1540         }
1541
1542         function print_select($id, $default, $values, $attributes = "") {
1543                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1544                 foreach ($values as $v) {
1545                         if ($v == $default)
1546                                 $sel = "selected=\"1\"";
1547                          else
1548                                 $sel = "";
1549
1550                         print "<option value=\"$v\" $sel>$v</option>";
1551                 }
1552                 print "</select>";
1553         }
1554
1555         function print_select_hash($id, $default, $values, $attributes = "") {
1556                 print "<select name=\"$id\" id='$id' $attributes>";
1557                 foreach (array_keys($values) as $v) {
1558                         if ($v == $default)
1559                                 $sel = 'selected="selected"';
1560                          else
1561                                 $sel = "";
1562
1563                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1564                 }
1565
1566                 print "</select>";
1567         }
1568
1569         function get_article_filters($filters, $title, $content, $link, $timestamp, $author, $tags) {
1570                 $matches = array();
1571
1572                 if ($filters["title"]) {
1573                         foreach ($filters["title"] as $filter) {
1574                                 $reg_exp = $filter["reg_exp"];
1575                                 $inverse = $filter["inverse"];
1576                                 if ((!$inverse && @preg_match("/$reg_exp/i", $title)) ||
1577                                                 ($inverse && !@preg_match("/$reg_exp/i", $title))) {
1578
1579                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1580                                 }
1581                         }
1582                 }
1583
1584                 if ($filters["content"]) {
1585                         foreach ($filters["content"] as $filter) {
1586                                 $reg_exp = $filter["reg_exp"];
1587                                 $inverse = $filter["inverse"];
1588
1589                                 if ((!$inverse && @preg_match("/$reg_exp/i", $content)) ||
1590                                                 ($inverse && !@preg_match("/$reg_exp/i", $content))) {
1591
1592                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1593                                 }
1594                         }
1595                 }
1596
1597                 if ($filters["both"]) {
1598                         foreach ($filters["both"] as $filter) {
1599                                 $reg_exp = $filter["reg_exp"];
1600                                 $inverse = $filter["inverse"];
1601
1602                                 if ($inverse) {
1603                                         if (!@preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1604                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1605                                         }
1606                                 } else {
1607                                         if (@preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1608                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1609                                         }
1610                                 }
1611                         }
1612                 }
1613
1614                 if ($filters["link"]) {
1615                         $reg_exp = $filter["reg_exp"];
1616                         foreach ($filters["link"] as $filter) {
1617                                 $reg_exp = $filter["reg_exp"];
1618                                 $inverse = $filter["inverse"];
1619
1620                                 if ((!$inverse && @preg_match("/$reg_exp/i", $link)) ||
1621                                                 ($inverse && !@preg_match("/$reg_exp/i", $link))) {
1622
1623                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1624                                 }
1625                         }
1626                 }
1627
1628                 if ($filters["date"]) {
1629                         $reg_exp = $filter["reg_exp"];
1630                         foreach ($filters["date"] as $filter) {
1631                                 $date_modifier = $filter["filter_param"];
1632                                 $inverse = $filter["inverse"];
1633                                 $check_timestamp = strtotime($filter["reg_exp"]);
1634
1635                                 # no-op when timestamp doesn't parse to prevent misfires
1636
1637                                 if ($check_timestamp) {
1638                                         $match_ok = false;
1639
1640                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1641                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1642                                                         $match_ok = true;
1643                                         }
1644
1645                                         if ($inverse) $match_ok = !$match_ok;
1646
1647                                         if ($match_ok) {
1648                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1649                                         }
1650                                 }
1651                         }
1652                 }
1653
1654                 if ($filters["author"]) {
1655                         foreach ($filters["author"] as $filter) {
1656                                 $reg_exp = $filter["reg_exp"];
1657                                 $inverse = $filter["inverse"];
1658                                 if ((!$inverse && @preg_match("/$reg_exp/i", $author)) ||
1659                                                 ($inverse && !@preg_match("/$reg_exp/i", $author))) {
1660
1661                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1662                                 }
1663                         }
1664                 }
1665
1666                 if ($filters["tag"]) {
1667
1668                         $tag_string = join(",", $tags);
1669
1670                         foreach ($filters["tag"] as $filter) {
1671                                 $reg_exp = $filter["reg_exp"];
1672                                 $inverse = $filter["inverse"];
1673
1674                                 if ((!$inverse && @preg_match("/$reg_exp/i", $tag_string)) ||
1675                                                 ($inverse && !@preg_match("/$reg_exp/i", $tag_string))) {
1676
1677                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1678                                 }
1679                         }
1680                 }
1681
1682
1683                 return $matches;
1684         }
1685
1686         function find_article_filter($filters, $filter_name) {
1687                 foreach ($filters as $f) {
1688                         if ($f[0] == $filter_name) {
1689                                 return $f;
1690                         };
1691                 }
1692                 return false;
1693         }
1694
1695         function calculate_article_score($filters) {
1696                 $score = 0;
1697
1698                 foreach ($filters as $f) {
1699                         if ($f[0] == "score") {
1700                                 $score += $f[1];
1701                         };
1702                 }
1703                 return $score;
1704         }
1705
1706         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1707                 foreach ($filters as $f) {
1708                         if ($f[0] == "label") {
1709                                 label_add_article($link, $id, $f[1], $owner_uid);
1710                         };
1711                 }
1712         }
1713
1714         function getmicrotime() {
1715                 list($usec, $sec) = explode(" ",microtime());
1716                 return ((float)$usec + (float)$sec);
1717         }
1718
1719         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1720                 foreach ($values as $v) {
1721
1722                         if ($v == $default)
1723                                 $sel = "checked";
1724                          else
1725                                 $sel = "";
1726
1727                         if ($v == $true_is) {
1728                                 $sel .= " value=\"1\"";
1729                         } else {
1730                                 $sel .= " value=\"0\"";
1731                         }
1732
1733                         print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
1734                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1735
1736                 }
1737         }
1738
1739         function initialize_user_prefs($link, $uid, $profile = false) {
1740
1741                 $uid = db_escape_string($uid);
1742
1743                 if (!$profile) {
1744                         $profile = "NULL";
1745                         $profile_qpart = "AND profile IS NULL";
1746                 } else {
1747                         $profile_qpart = "AND profile = '$profile'";
1748                 }
1749
1750                 if (get_schema_version($link) < 63) $profile_qpart = "";
1751
1752                 db_query($link, "BEGIN");
1753
1754                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1755
1756                 $u_result = db_query($link, "SELECT pref_name
1757                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
1758
1759                 $active_prefs = array();
1760
1761                 while ($line = db_fetch_assoc($u_result)) {
1762                         array_push($active_prefs, $line["pref_name"]);
1763                 }
1764
1765                 while ($line = db_fetch_assoc($result)) {
1766                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1767 //                              print "adding " . $line["pref_name"] . "<br>";
1768
1769                                 if (get_schema_version($link) < 63) {
1770                                         db_query($link, "INSERT INTO ttrss_user_prefs
1771                                                 (owner_uid,pref_name,value) VALUES
1772                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1773
1774                                 } else {
1775                                         db_query($link, "INSERT INTO ttrss_user_prefs
1776                                                 (owner_uid,pref_name,value, profile) VALUES
1777                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
1778                                 }
1779
1780                         }
1781                 }
1782
1783                 db_query($link, "COMMIT");
1784
1785         }
1786
1787         function lookup_user_id($link, $user) {
1788
1789                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1790                         login = '$login'");
1791
1792                 if (db_num_rows($result) == 1) {
1793                         return db_fetch_result($result, 0, "id");
1794                 } else {
1795                         return false;
1796                 }
1797         }
1798
1799         function http_authenticate_user($link) {
1800
1801 //              error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1802
1803                 if (!$_SERVER["PHP_AUTH_USER"]) {
1804
1805                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1806                         header('HTTP/1.0 401 Unauthorized');
1807                         exit;
1808
1809                 } else {
1810                         $auth_result = authenticate_user($link,
1811                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1812
1813                         if (!$auth_result) {
1814                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1815                                 header('HTTP/1.0 401 Unauthorized');
1816                                 exit;
1817                         }
1818                 }
1819
1820                 return true;
1821         }
1822
1823         function authenticate_user($link, $login, $password, $force_auth = false) {
1824
1825                 if (!SINGLE_USER_MODE) {
1826
1827                         $pwd_hash1 = encrypt_password($password);
1828                         $pwd_hash2 = encrypt_password($password, $login);
1829                         $login = db_escape_string($login);
1830
1831                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1832                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1833
1834                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1835
1836                                 $query = "SELECT id,login,access_level,pwd_hash
1837                     FROM ttrss_users WHERE
1838                                         login = '$login'";
1839
1840                         } else {
1841                                 $query = "SELECT id,login,access_level,pwd_hash
1842                     FROM ttrss_users WHERE
1843                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1844                                                 pwd_hash = '$pwd_hash2')";
1845                         }
1846
1847                         $result = db_query($link, $query);
1848
1849                         if (db_num_rows($result) == 1) {
1850                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1851                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1852                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1853
1854                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1855                                         $_SESSION["uid"]);
1856
1857                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1858                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1859
1860                                 $_SESSION["last_version_check"] = time();
1861
1862                                 initialize_user_prefs($link, $_SESSION["uid"]);
1863
1864                                 return true;
1865                         }
1866
1867                         return false;
1868
1869                 } else {
1870
1871                         $_SESSION["uid"] = 1;
1872                         $_SESSION["name"] = "admin";
1873
1874                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1875
1876                         initialize_user_prefs($link, $_SESSION["uid"]);
1877
1878                         return true;
1879                 }
1880         }
1881
1882         function make_password($length = 8) {
1883
1884                 $password = "";
1885                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1886
1887         $i = 0;
1888
1889                 while ($i < $length) {
1890                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1891
1892                         if (!strstr($password, $char)) {
1893                                 $password .= $char;
1894                                 $i++;
1895                         }
1896                 }
1897                 return $password;
1898         }
1899
1900         // this is called after user is created to initialize default feeds, labels
1901         // or whatever else
1902
1903         // user preferences are checked on every login, not here
1904
1905         function initialize_user($link, $uid) {
1906
1907                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1908                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1909                         'http://tt-rss.org/releases.rss')");
1910
1911                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1912                         values ('$uid', 'Tiny Tiny RSS: Forum',
1913                                 'http://tt-rss.org/forum/rss.php')");
1914         }
1915
1916         function logout_user() {
1917                 session_destroy();
1918                 if (isset($_COOKIE[session_name()])) {
1919                    setcookie(session_name(), '', time()-42000, '/');
1920                 }
1921         }
1922
1923         function get_script_urlpath() {
1924                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1925         }
1926
1927         function validate_session($link) {
1928                 if (SINGLE_USER_MODE) return true;
1929
1930                 $check_ip = $_SESSION['ip_address'];
1931
1932                 switch (SESSION_CHECK_ADDRESS) {
1933                 case 0:
1934                         $check_ip = '';
1935                         break;
1936                 case 1:
1937                         $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1);
1938                         break;
1939                 case 2:
1940                         $check_ip = substr($check_ip, 0, strrpos($check_ip, '.'));
1941                         $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1);
1942                         break;
1943                 };
1944
1945                 if ($check_ip && strpos($_SERVER['REMOTE_ADDR'], $check_ip) !== 0) {
1946                         $_SESSION["login_error_msg"] =
1947                                 __("Session failed to validate (incorrect IP)");
1948                         return false;
1949                 }
1950
1951                 if ($_SESSION["ref_schema_version"] != get_schema_version($link, true))
1952                         return false;
1953
1954                 if ($_SESSION["uid"]) {
1955
1956                         $result = db_query($link,
1957                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1958
1959                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1960
1961                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1962                                 return false;
1963                         }
1964                 }
1965
1966 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1967
1968                         //print_r($_SESSION);
1969
1970                         if (time() > $_SESSION["cookie_lifetime"]) {
1971                                 return false;
1972                         }
1973                 } */
1974
1975                 return true;
1976         }
1977
1978         function login_sequence($link, $mobile = false) {
1979                 if (!SINGLE_USER_MODE) {
1980
1981                         $login_action = $_POST["login_action"];
1982
1983                         # try to authenticate user if called from login form
1984                         if ($login_action == "do_login") {
1985                                 $login = $_POST["login"];
1986                                 $password = $_POST["password"];
1987                                 $remember_me = $_POST["remember_me"];
1988
1989                                 if (authenticate_user($link, $login, $password)) {
1990                                         $_POST["password"] = "";
1991
1992                                         $_SESSION["language"] = $_POST["language"];
1993                                         $_SESSION["ref_schema_version"] = get_schema_version($link, true);
1994                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
1995
1996                                         if ($_POST["profile"]) {
1997
1998                                                 $profile = db_escape_string($_POST["profile"]);
1999
2000                                                 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
2001                                                         WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
2002
2003                                                 if (db_num_rows($result) != 0) {
2004                                                         $_SESSION["profile"] = $profile;
2005                                                         $_SESSION["prefs_cache"] = array();
2006                                                 }
2007                                         }
2008
2009                                         if ($_REQUEST['return']) {
2010                                                 header("Location: " . $_REQUEST['return']);
2011                                         } else {
2012                                                 header("Location: " . $_SERVER["REQUEST_URI"]);
2013                                         }
2014
2015                                         exit;
2016
2017                                         return;
2018                                 } else {
2019                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
2020                                 }
2021                         }
2022
2023                         if (!$_SESSION["uid"] || !validate_session($link)) {
2024                                 if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
2025                                         && $_SERVER["REMOTE_USER"] && defined('AUTO_LOGIN') && AUTO_LOGIN) {
2026                                     authenticate_user($link,$_SERVER['REMOTE_USER'],null);
2027                                     $_SESSION["ref_schema_version"] = get_schema_version($link, true);
2028                                 } else {
2029                                     render_login_form($link, $mobile);
2030                                     //header("Location: login.php");
2031                                     exit;
2032                                 }
2033                         } else {
2034                                 /* bump login timestamp */
2035                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
2036                                         $_SESSION["uid"]);
2037
2038                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
2039                                         setcookie("ttrss_lang", $_SESSION["language"],
2040                                                 time() + SESSION_COOKIE_LIFETIME);
2041                                 }
2042                         }
2043
2044                 } else {
2045                         return authenticate_user($link, "admin", null);
2046                 }
2047         }
2048
2049         function truncate_string($str, $max_len, $suffix = '&hellip;') {
2050                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
2051                         return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
2052                 } else {
2053                         return $str;
2054                 }
2055         }
2056
2057         function theme_image($link, $filename) {
2058                 if ($link) {
2059                         $theme_path = get_user_theme_path($link);
2060
2061                         if ($theme_path && is_file($theme_path.$filename)) {
2062                                 return $theme_path.$filename;
2063                         } else {
2064                                 return $filename;
2065                         }
2066                 } else {
2067                         return $filename;
2068                 }
2069         }
2070
2071         function get_user_theme($link) {
2072
2073                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2074                         $theme_name = get_pref($link, "_THEME_ID");
2075                         if (is_dir("themes/$theme_name")) {
2076                                 return $theme_name;
2077                         } else {
2078                                 return '';
2079                         }
2080                 } else {
2081                         return '';
2082                 }
2083
2084         }
2085
2086         function get_user_theme_path($link) {
2087                 $theme_path = '';
2088
2089                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2090                         $theme_name = get_pref($link, "_THEME_ID");
2091
2092                         if ($theme_name && is_dir("themes/$theme_name")) {
2093                                 $theme_path = "themes/$theme_name/";
2094                         } else {
2095                                 $theme_name = '';
2096                         }
2097                 } else {
2098                         $theme_path = '';
2099                 }
2100
2101                 if ($theme_path) {
2102                         if (is_file("$theme_path/theme.ini")) {
2103                                 $ini = parse_ini_file("$theme_path/theme.ini", true);
2104                                 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED) {
2105                                         return $theme_path;
2106                                 }
2107                         }
2108                 }
2109                 return '';
2110         }
2111
2112         function get_user_theme_options($link) {
2113                 $t = get_user_theme_path($link);
2114
2115                 if ($t) {
2116                         if (is_file("$t/theme.ini")) {
2117                                 $ini = parse_ini_file("$t/theme.ini", true);
2118                                 if ($ini['theme']['version']) {
2119                                         return $ini['theme']['options'];
2120                                 }
2121                         }
2122                 }
2123                 return '';
2124         }
2125
2126         function print_theme_includes($link) {
2127
2128                 $t = get_user_theme_path($link);
2129                 $time = time();
2130
2131                 if ($t) {
2132                         print "<link rel=\"stylesheet\" type=\"text/css\"
2133                                 href=\"$t/theme.css?$time \">";
2134                         if (file_exists("$t/theme.js")) {
2135                                 print "<script type=\"text/javascript\" src=\"$t/theme.js?$time\">
2136                                         </script>";
2137                         }
2138                 }
2139         }
2140
2141         function get_all_themes() {
2142                 $themes = glob("themes/*");
2143
2144                 asort($themes);
2145
2146                 $rv = array();
2147
2148                 foreach ($themes as $t) {
2149                         if (is_file("$t/theme.ini")) {
2150                                 $ini = parse_ini_file("$t/theme.ini", true);
2151                                 if ($ini['theme']['version'] >= THEME_VERSION_REQUIRED &&
2152                                                         !$ini['theme']['disabled']) {
2153                                         $entry = array();
2154                                         $entry["path"] = $t;
2155                                         $entry["base"] = basename($t);
2156                                         $entry["name"] = $ini['theme']['name'];
2157                                         $entry["version"] = $ini['theme']['version'];
2158                                         $entry["author"] = $ini['theme']['author'];
2159                                         $entry["options"] = $ini['theme']['options'];
2160                                         array_push($rv, $entry);
2161                                 }
2162                         }
2163                 }
2164
2165                 return $rv;
2166         }
2167
2168         function convert_timestamp($timestamp, $source_tz, $dest_tz) {
2169
2170                 try {
2171                         $source_tz = new DateTimeZone($source_tz);
2172                 } catch (Exception $e) {
2173                         $source_tz = new DateTimeZone('UTC');
2174                 }
2175
2176                 try {
2177                         $dest_tz = new DateTimeZone($dest_tz);
2178                 } catch (Exception $e) {
2179                         $dest_tz = new DateTimeZone('UTC');
2180                 }
2181
2182                 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
2183                 return $dt->format('U') + $dest_tz->getOffset($dt);
2184         }
2185
2186         function make_local_datetime($link, $timestamp, $long, $owner_uid = false,
2187                                         $no_smart_dt = false) {
2188
2189                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2190                 if (!$timestamp) $timestamp = '1970-01-01 0:00';
2191
2192                 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $owner_uid);
2193
2194                 try {
2195                         $user_tz = new DateTimeZone($user_tz_string);
2196                 } catch (Exception $e) {
2197                         $user_tz = new DateTimeZone('UTC');
2198                 }
2199
2200                 # We store date in UTC internally
2201                 $dt = new DateTime($timestamp, new DateTimeZone('UTC'));
2202                 $user_timestamp = $dt->format('U') + $user_tz->getOffset($dt);
2203
2204                 if (!$no_smart_dt && get_pref($link, 'HEADLINES_SMART_DATE', $owner_uid)) {
2205                         return smart_date_time($link, $user_timestamp,
2206                                 $user_tz->getOffset($dt), $owner_uid);
2207                 } else {
2208                         if ($long)
2209                                 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2210                         else
2211                                 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2212
2213                         return date($format, $user_timestamp);
2214                 }
2215         }
2216
2217         function smart_date_time($link, $timestamp, $tz_offset = 0, $owner_uid = false) {
2218                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2219
2220                 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
2221                         return date("G:i", $timestamp);
2222                 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
2223                         $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2224                         return date($format, $timestamp);
2225                 } else {
2226                         $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2227                         return date($format, $timestamp);
2228                 }
2229         }
2230
2231         function smart_date($timestamp) {
2232                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2233                         return "Today";
2234                 } else if (date("Y", $timestamp) == date("Y")) {
2235                         return date("D m", $timestamp);
2236                 } else {
2237                         return date("Y/m/d", $timestamp);
2238                 }
2239         }
2240
2241         function sql_bool_to_string($s) {
2242                 if ($s == "t" || $s == "1") {
2243                         return "true";
2244                 } else {
2245                         return "false";
2246                 }
2247         }
2248
2249         function sql_bool_to_bool($s) {
2250                 if ($s == "t" || $s == "1") {
2251                         return true;
2252                 } else {
2253                         return false;
2254                 }
2255         }
2256
2257         function bool_to_sql_bool($s) {
2258                 if ($s) {
2259                         return "true";
2260                 } else {
2261                         return "false";
2262                 }
2263         }
2264
2265         function toggleEvenOdd($a) {
2266                 if ($a == "even")
2267                         return "odd";
2268                 else
2269                         return "even";
2270         }
2271
2272         function get_schema_version($link, $nocache = false) {
2273                 if (!$_SESSION["schema_version"] || $nocache) {
2274                         $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2275                         $version = db_fetch_result($result, 0, "schema_version");
2276                         $_SESSION["schema_version"] = $version;
2277                         return $version;
2278                 } else {
2279                         return $_SESSION["schema_version"];
2280                 }
2281         }
2282
2283         function sanity_check($link) {
2284
2285                 $error_code = 0;
2286                 $schema_version = get_schema_version($link);
2287
2288                 if ($schema_version != SCHEMA_VERSION) {
2289                         $error_code = 5;
2290                 }
2291
2292                 if (DB_TYPE == "mysql") {
2293                         $result = db_query($link, "SELECT true", false);
2294                         if (db_num_rows($result) != 1) {
2295                                 $error_code = 10;
2296                         }
2297                 }
2298
2299                 if (db_escape_string("testTEST") != "testTEST") {
2300                         $error_code = 12;
2301                 }
2302
2303                 if ($error_code != 0) {
2304                         print_error_xml($error_code);
2305                         return false;
2306                 } else {
2307                         return true;
2308                 }
2309         }
2310
2311         function file_is_locked($filename) {
2312                 if (function_exists('flock')) {
2313                         $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
2314                         if ($fp) {
2315                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2316                                         flock($fp, LOCK_UN);
2317                                         fclose($fp);
2318                                         return false;
2319                                 }
2320                                 fclose($fp);
2321                                 return true;
2322                         } else {
2323                                 return false;
2324                         }
2325                 }
2326                 return true; // consider the file always locked and skip the test
2327         }
2328
2329         function make_lockfile($filename) {
2330                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2331
2332                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2333                         if (function_exists('posix_getpid')) {
2334                                 fwrite($fp, posix_getpid() . "\n");
2335                         }
2336                         return $fp;
2337                 } else {
2338                         return false;
2339                 }
2340         }
2341
2342         function make_stampfile($filename) {
2343                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2344
2345                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2346                         fwrite($fp, time() . "\n");
2347                         flock($fp, LOCK_UN);
2348                         fclose($fp);
2349                         return true;
2350                 } else {
2351                         return false;
2352                 }
2353         }
2354
2355         function sql_random_function() {
2356                 if (DB_TYPE == "mysql") {
2357                         return "RAND()";
2358                 } else {
2359                         return "RANDOM()";
2360                 }
2361         }
2362
2363         function catchup_feed($link, $feed, $cat_view, $owner_uid = false) {
2364
2365                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2366
2367                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2368
2369                                 if ($cat_view) {
2370
2371                                         if ($feed >= 0) {
2372
2373                                                 if ($feed > 0) {
2374                                                         $cat_qpart = "cat_id = '$feed'";
2375                                                 } else {
2376                                                         $cat_qpart = "cat_id IS NULL";
2377                                                 }
2378
2379                                                 $tmp_result = db_query($link, "SELECT id
2380                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2381
2382                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2383
2384                                                         $tmp_feed = $tmp_line["id"];
2385
2386                                                         db_query($link, "UPDATE ttrss_user_entries
2387                                                                 SET unread = false,last_read = NOW()
2388                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2389                                                 }
2390                                         } else if ($feed == -2) {
2391
2392
2393                                                 db_query($link, "UPDATE ttrss_user_entries
2394                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
2395                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
2396                                                         AND unread = true AND owner_uid = $owner_uid");
2397                                         }
2398
2399                                 } else if ($feed > 0) {
2400
2401                                         db_query($link, "UPDATE ttrss_user_entries
2402                                                         SET unread = false,last_read = NOW()
2403                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2404
2405                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2406
2407                                         if ($feed == -1) {
2408                                                 db_query($link, "UPDATE ttrss_user_entries
2409                                                         SET unread = false,last_read = NOW()
2410                                                         WHERE marked = true AND owner_uid = $owner_uid");
2411                                         }
2412
2413                                         if ($feed == -2) {
2414                                                 db_query($link, "UPDATE ttrss_user_entries
2415                                                         SET unread = false,last_read = NOW()
2416                                                         WHERE published = true AND owner_uid = $owner_uid");
2417                                         }
2418
2419                                         if ($feed == -3) {
2420
2421                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2422
2423                                                 if (DB_TYPE == "pgsql") {
2424                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2425                                                 } else {
2426                                                         $match_part = "updated > DATE_SUB(NOW(),
2427                                                                 INTERVAL $intl HOUR) ";
2428                                                 }
2429
2430                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2431                                                         ttrss_user_entries WHERE $match_part AND
2432                                                         unread = true AND
2433                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2434                                                         owner_uid = $owner_uid");
2435
2436                                                 $affected_ids = array();
2437
2438                                                 while ($line = db_fetch_assoc($result)) {
2439                                                         array_push($affected_ids, $line["id"]);
2440                                                 }
2441
2442                                                 catchupArticlesById($link, $affected_ids, 0);
2443                                         }
2444
2445                                         if ($feed == -4) {
2446                                                 db_query($link, "UPDATE ttrss_user_entries
2447                                                         SET unread = false,last_read = NOW()
2448                                                         WHERE owner_uid = $owner_uid");
2449                                         }
2450
2451                                 } else if ($feed < -10) { // label
2452
2453                                         $label_id = -$feed - 11;
2454
2455                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2456                                                 SET unread = false, last_read = NOW()
2457                                                         WHERE label_id = '$label_id' AND unread = true
2458                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2459
2460                                 }
2461
2462                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2463
2464                         } else { // tag
2465                                 db_query($link, "BEGIN");
2466
2467                                 $tag_name = db_escape_string($feed);
2468
2469                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2470                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2471
2472                                 while ($line = db_fetch_assoc($result)) {
2473                                         db_query($link, "UPDATE ttrss_user_entries SET
2474                                                 unread = false, last_read = NOW()
2475                                                 WHERE int_id = " . $line["post_int_id"]);
2476                                 }
2477                                 db_query($link, "COMMIT");
2478                         }
2479         }
2480
2481         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2482
2483                 if (!$omode) $omode = "flc";
2484
2485                 $data = getGlobalCounters($link);
2486
2487                 $data = array_merge($data, getVirtCounters($link));
2488
2489                 if (strchr($omode, "l")) $data = array_merge($data, getLabelCounters($link));
2490                 if (strchr($omode, "f")) $data = array_merge($data, getFeedCounters($link, $active_feed));
2491                 if (strchr($omode, "t")) $data = array_merge($data, getTagCounters($link));
2492                 if (strchr($omode, "c")) {
2493                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2494                                 $data = array_merge($data, getCategoryCounters($link));
2495                         }
2496                 }
2497
2498                 return $data;
2499         }
2500
2501         function getCategoryCounters($link) {
2502                 $ret_arr = array();
2503
2504                 /* Labels category */
2505
2506                 $cv = array("id" => -2, "kind" => "cat",
2507                         "counter" => getCategoryUnread($link, -2));
2508
2509                 array_push($ret_arr, $cv);
2510
2511                 $age_qpart = getMaxAgeSubquery();
2512
2513                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2514                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2515                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2516                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2517
2518                 while ($line = db_fetch_assoc($result)) {
2519                         $line["cat_id"] = (int) $line["cat_id"];
2520
2521                         $cv = array("id" => $line["cat_id"], "kind" => "cat",
2522                                 "counter" => $line["unread"]);
2523
2524                         array_push($ret_arr, $cv);
2525                 }
2526
2527                 /* Special case: NULL category doesn't actually exist in the DB */
2528
2529                 $cv = array("id" => 0, "kind" => "cat",
2530                         "counter" => ccache_find($link, 0, $_SESSION["uid"], true));
2531
2532                 array_push($ret_arr, $cv);
2533
2534                 return $ret_arr;
2535         }
2536
2537         function getCategoryUnread($link, $cat, $owner_uid = false) {
2538
2539                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2540
2541                 if ($cat >= 0) {
2542
2543                         if ($cat != 0) {
2544                                 $cat_query = "cat_id = '$cat'";
2545                         } else {
2546                                 $cat_query = "cat_id IS NULL";
2547                         }
2548
2549                         $age_qpart = getMaxAgeSubquery();
2550
2551                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2552                                         AND owner_uid = " . $owner_uid);
2553
2554                         $cat_feeds = array();
2555                         while ($line = db_fetch_assoc($result)) {
2556                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2557                         }
2558
2559                         if (count($cat_feeds) == 0) return 0;
2560
2561                         $match_part = implode(" OR ", $cat_feeds);
2562
2563                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2564                                 FROM ttrss_user_entries,ttrss_entries
2565                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2566                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2567
2568                         $unread = 0;
2569
2570                         # this needs to be rewritten
2571                         while ($line = db_fetch_assoc($result)) {
2572                                 $unread += $line["unread"];
2573                         }
2574
2575                         return $unread;
2576                 } else if ($cat == -1) {
2577                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
2578                 } else if ($cat == -2) {
2579
2580                         $result = db_query($link, "
2581                                 SELECT COUNT(unread) AS unread FROM
2582                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2583                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2584                                         ttrss_labels2.owner_uid = '$owner_uid'
2585                                         AND unread = true AND feed_id = ttrss_feeds.id
2586                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2587
2588                         $unread = db_fetch_result($result, 0, "unread");
2589
2590                         return $unread;
2591
2592                 }
2593         }
2594
2595         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2596                 if (DB_TYPE == "pgsql") {
2597                         return "ttrss_entries.date_updated >
2598                                 NOW() - INTERVAL '$days days'";
2599                 } else {
2600                         return "ttrss_entries.date_updated >
2601                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2602                 }
2603         }
2604
2605         function getFeedUnread($link, $feed, $is_cat = false) {
2606                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2607         }
2608
2609         function getLabelUnread($link, $label_id, $owner_uid = false) {
2610                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2611
2612                 $result = db_query($link, "
2613                         SELECT COUNT(unread) AS unread FROM
2614                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2615                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2616                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2617                                 AND unread = true AND feed_id = ttrss_feeds.id
2618                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2619
2620                 if (db_num_rows($result) != 0) {
2621                         return db_fetch_result($result, 0, "unread");
2622                 } else {
2623                         return 0;
2624                 }
2625         }
2626
2627         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2628                 $owner_uid = false) {
2629
2630                 $n_feed = (int) $feed;
2631
2632                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2633
2634                 if ($unread_only) {
2635                         $unread_qpart = "unread = true";
2636                 } else {
2637                         $unread_qpart = "true";
2638                 }
2639
2640                 $age_qpart = getMaxAgeSubquery();
2641
2642                 if ($is_cat) {
2643                         return getCategoryUnread($link, $n_feed, $owner_uid);
2644                 } if ($feed != "0" && $n_feed == 0) {
2645
2646                         $feed = db_escape_string($feed);
2647
2648                         $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
2649                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2650                                         AND ref_id = id AND $age_qpart
2651                                         AND $unread_qpart)) AS count FROM ttrss_tags
2652                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
2653                         return db_fetch_result($result, 0, "count");
2654
2655                 } else if ($n_feed == -1) {
2656                         $match_part = "marked = true";
2657                 } else if ($n_feed == -2) {
2658                         $match_part = "published = true";
2659                 } else if ($n_feed == -3) {
2660                         $match_part = "unread = true AND score >= 0";
2661
2662                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2663
2664                         if (DB_TYPE == "pgsql") {
2665                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2666                         } else {
2667                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2668                         }
2669                 } else if ($n_feed == -4) {
2670                         $match_part = "true";
2671                 } else if ($n_feed >= 0) {
2672
2673                         if ($n_feed != 0) {
2674                                 $match_part = "feed_id = '$n_feed'";
2675                         } else {
2676                                 $match_part = "feed_id IS NULL";
2677                         }
2678
2679                 } else if ($feed < -10) {
2680
2681                         $label_id = -$feed - 11;
2682
2683                         return getLabelUnread($link, $label_id, $owner_uid);
2684
2685                 }
2686
2687                 if ($match_part) {
2688
2689                         if ($n_feed != 0) {
2690                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
2691                                 $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2692                         } else {
2693                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
2694                                 $feeds_qpart = '';
2695                         }
2696
2697                         $query = "SELECT count(int_id) AS unread
2698                                 FROM $from_qpart WHERE
2699                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2700                                 $age_qpart AND
2701                                 $feeds_qpart
2702                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
2703
2704                         $result = db_query($link, $query);
2705
2706                 } else {
2707
2708                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2709                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2710                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2711                                 AND $unread_qpart AND $age_qpart AND
2712                                         ttrss_tags.owner_uid = " . $owner_uid);
2713                 }
2714
2715                 $unread = db_fetch_result($result, 0, "unread");
2716
2717                 return $unread;
2718         }
2719
2720         function getGlobalUnread($link, $user_id = false) {
2721
2722                 if (!$user_id) {
2723                         $user_id = $_SESSION["uid"];
2724                 }
2725
2726                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2727                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2728
2729                 $c_id = db_fetch_result($result, 0, "c_id");
2730
2731                 return $c_id;
2732         }
2733
2734         function getGlobalCounters($link, $global_unread = -1) {
2735                 $ret_arr = array();
2736
2737                 if ($global_unread == -1) {
2738                         $global_unread = getGlobalUnread($link);
2739                 }
2740
2741                 $cv = array("id" => "global-unread",
2742                         "counter" => $global_unread);
2743
2744                 array_push($ret_arr, $cv);
2745
2746                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2747                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2748
2749                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2750
2751                 $cv = array("id" => "subscribed-feeds",
2752                         "counter" => $subscribed_feeds);
2753
2754                 array_push($ret_arr, $cv);
2755
2756                 return $ret_arr;
2757         }
2758
2759         function getSubscribedFeeds($link) {
2760                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2761                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2762
2763                 return db_fetch_result($result, 0, "fn");
2764         }
2765
2766         function getTagCounters($link) {
2767
2768                 $ret_arr = array();
2769
2770                 $age_qpart = getMaxAgeSubquery();
2771
2772                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2773                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2774                                 AND ref_id = id AND $age_qpart
2775                                 AND unread = true)) AS count FROM ttrss_tags
2776                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2777                                 ORDER BY count DESC LIMIT 55");
2778
2779                 $tags = array();
2780
2781                 while ($line = db_fetch_assoc($result)) {
2782                         $tags[$line["tag_name"]] += $line["count"];
2783                 }
2784
2785                 foreach (array_keys($tags) as $tag) {
2786                         $unread = $tags[$tag];
2787                         $tag = htmlspecialchars($tag);
2788
2789                         $cv = array("id" => $tag,
2790                                 "kind" => "tag",
2791                                 "counter" => $unread);
2792
2793                         array_push($ret_arr, $cv);
2794                 }
2795
2796                 return $ret_arr;
2797         }
2798
2799         function getVirtCounters($link) {
2800
2801                 $ret_arr = array();
2802
2803                 for ($i = 0; $i >= -4; $i--) {
2804
2805                         $count = getFeedUnread($link, $i);
2806
2807                         $cv = array("id" => $i,
2808                                 "counter" => $count);
2809
2810 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2811 //                              $cv["xmsg"] = getFeedArticles($link, $i)." ".__("total");
2812
2813                         array_push($ret_arr, $cv);
2814                 }
2815
2816                 return $ret_arr;
2817         }
2818
2819         function getLabelCounters($link, $descriptions = false) {
2820
2821                 $ret_arr = array();
2822
2823                 $age_qpart = getMaxAgeSubquery();
2824
2825                 $owner_uid = $_SESSION["uid"];
2826
2827                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2828                         WHERE owner_uid = '$owner_uid'");
2829
2830                 while ($line = db_fetch_assoc($result)) {
2831
2832                         $id = -$line["id"] - 11;
2833
2834                         $label_name = $line["caption"];
2835                         $count = getFeedUnread($link, $id);
2836
2837                         $cv = array("id" => $id,
2838                                 "counter" => $count);
2839
2840                         if ($descriptions)
2841                                 $cv["description"] = $label_name;
2842
2843 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2844 //                              $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2845
2846                         array_push($ret_arr, $cv);
2847                 }
2848
2849                 return $ret_arr;
2850         }
2851
2852         function getFeedCounters($link, $active_feed = false) {
2853
2854                 $ret_arr = array();
2855
2856                 $age_qpart = getMaxAgeSubquery();
2857
2858                 $query = "SELECT ttrss_feeds.id,
2859                                 ttrss_feeds.title,
2860                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2861                                 last_error, value AS count
2862                         FROM ttrss_feeds, ttrss_counters_cache
2863                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2864                                 AND ttrss_counters_cache.feed_id = id";
2865
2866                 $result = db_query($link, $query);
2867                 $fctrs_modified = false;
2868
2869                 while ($line = db_fetch_assoc($result)) {
2870
2871                         $id = $line["id"];
2872                         $count = $line["count"];
2873                         $last_error = htmlspecialchars($line["last_error"]);
2874
2875                         $last_updated = make_local_datetime($link, $line['last_updated'], false);
2876
2877                         $has_img = feed_has_icon($id);
2878
2879                         if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
2880                                 $last_updated = '';
2881
2882                         $cv = array("id" => $id,
2883                                 "updated" => $last_updated,
2884                                 "counter" => $count,
2885                                 "has_img" => (int) $has_img);
2886
2887                         if ($last_error)
2888                                 $cv["error"] = $last_error;
2889
2890 //                      if (get_pref($link, 'EXTENDED_FEEDLIST'))
2891 //                              $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2892
2893                         if ($active_feed && $id == $active_feed)
2894                                 $cv["title"] = truncate_string($line["title"], 30);
2895
2896                         array_push($ret_arr, $cv);
2897
2898                 }
2899
2900                 return $ret_arr;
2901         }
2902
2903         function get_pgsql_version($link) {
2904                 $result = db_query($link, "SELECT version() AS version");
2905                 $version = split(" ", db_fetch_result($result, 0, "version"));
2906                 return $version[1];
2907         }
2908
2909         function print_error_xml($code, $add_msg = "") {
2910                 global $ERRORS;
2911
2912                 $error_msg = $ERRORS[$code];
2913
2914                 if ($add_msg) {
2915                         $error_msg = "$error_msg; $add_msg";
2916                 }
2917
2918                 print "<rpc-reply>";
2919                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2920                 print "</rpc-reply>";
2921         }
2922
2923         /**
2924          * Subscribes the user to the given feed
2925          *
2926          * @param resource $link       Database connection
2927          * @param string   $url        Feed URL to subscribe to
2928          * @param integer  $cat_id     Category ID the feed shall be added to
2929          * @param string   $auth_login (optional) Feed username
2930          * @param string   $auth_pass  (optional) Feed password
2931          *
2932          * @return integer Status code:
2933          *                 0 - OK, Feed already exists
2934          *                 1 - OK, Feed added
2935          *                 2 - Invalid URL
2936          *                 3 - URL content is HTML, no feeds available
2937          *                 4 - URL content is HTML which contains multiple feeds.
2938          *                     Here you should call extractfeedurls in rpc-backend
2939          *                     to get all possible feeds.
2940          *                 5 - Couldn't download the URL content.
2941          */
2942         function subscribe_to_feed($link, $url, $cat_id = 0,
2943                         $auth_login = '', $auth_pass = '') {
2944
2945                 $url = fix_url($url);
2946
2947                 if (!$url || !validate_feed_url($url)) return 2;
2948
2949                 $update_method = 0;
2950
2951                 $result = db_query($link, "SELECT twitter_oauth FROM ttrss_users
2952                         WHERE id = ".$_SESSION['uid']);
2953
2954                 $has_oauth = db_fetch_result($result, 0, 'twitter_oauth');
2955
2956                 if (!$has_oauth || strpos($url, '://api.twitter.com') === false) {
2957                         if (!fetch_file_contents($url, false, $auth_login, $auth_pass)) return 5;
2958
2959                         if (url_is_html($url, $auth_login, $auth_pass)) {
2960                                 $feedUrls = get_feeds_from_html($url, $auth_login, $auth_pass);
2961                                 if (count($feedUrls) == 0) {
2962                                         return 3;
2963                                 } else if (count($feedUrls) > 1) {
2964                                         return 4;
2965                                 }
2966                                 //use feed url as new URL
2967                                 $url = key($feedUrls);
2968                         }
2969
2970                         } else {
2971                                 if (!fetch_twitter_rss($link, $url, $_SESSION['uid']))
2972                                         return 5;
2973
2974                                 $update_method = 3;
2975                         }
2976                 if ($cat_id == "0" || !$cat_id) {
2977                         $cat_qpart = "NULL";
2978                 } else {
2979                         $cat_qpart = "'$cat_id'";
2980                 }
2981
2982                 $result = db_query($link,
2983                         "SELECT id FROM ttrss_feeds
2984                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
2985
2986                 if (db_num_rows($result) == 0) {
2987                         $result = db_query($link,
2988                                 "INSERT INTO ttrss_feeds
2989                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method)
2990                                 VALUES ('".$_SESSION["uid"]."', '$url',
2991                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', '$update_method')");
2992
2993                         $result = db_query($link,
2994                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
2995                                         AND owner_uid = " . $_SESSION["uid"]);
2996
2997                         $feed_id = db_fetch_result($result, 0, "id");
2998
2999                         if ($feed_id) {
3000                                 update_rss_feed($link, $feed_id, true);
3001                         }
3002
3003                         return 1;
3004                 } else {
3005                         return 0;
3006                 }
3007         }
3008
3009         function print_feed_select($link, $id, $default_id = "",
3010                 $attributes = "", $include_all_feeds = true) {
3011
3012                 print "<select id=\"$id\" name=\"$id\" $attributes>";
3013                 if ($include_all_feeds) {
3014                         print "<option value=\"0\">".__('All feeds')."</option>";
3015                 }
3016
3017                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
3018                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
3019
3020                 if (db_num_rows($result) > 0 && $include_all_feeds) {
3021                         print "<option disabled>--------</option>";
3022                 }
3023
3024                 while ($line = db_fetch_assoc($result)) {
3025                         if ($line["id"] == $default_id) {
3026                                 $is_selected = "selected=\"1\"";
3027                         } else {
3028                                 $is_selected = "";
3029                         }
3030
3031                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
3032
3033                         printf("<option $is_selected value='%d'>%s</option>",
3034                                 $line["id"], $title);
3035                 }
3036
3037                 print "</select>";
3038         }
3039
3040         function print_feed_cat_select($link, $id, $default_id = "",
3041                 $attributes = "", $include_all_cats = true) {
3042
3043                 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
3044
3045                 if ($include_all_cats) {
3046                         print "<option value=\"0\">".__('Uncategorized')."</option>";
3047                 }
3048
3049                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
3050                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
3051
3052                 if (db_num_rows($result) > 0 && $include_all_cats) {
3053                         print "<option disabled=\"1\">--------</option>";
3054                 }
3055
3056                 while ($line = db_fetch_assoc($result)) {
3057                         if ($line["id"] == $default_id) {
3058                                 $is_selected = "selected=\"1\"";
3059                         } else {
3060                                 $is_selected = "";
3061                         }
3062
3063                         if ($line["title"])
3064                                 printf("<option $is_selected value='%d'>%s</option>",
3065                                         $line["id"], htmlspecialchars($line["title"]));
3066                 }
3067
3068 #               print "<option value=\"ADD_CAT\">" .__("Add category...") . "</option>";
3069
3070                 print "</select>";
3071         }
3072
3073         function checkbox_to_sql_bool($val) {
3074                 return ($val == "on") ? "true" : "false";
3075         }
3076
3077         function getFeedCatTitle($link, $id) {
3078                 if ($id == -1) {
3079                         return __("Special");
3080                 } else if ($id < -10) {
3081                         return __("Labels");
3082                 } else if ($id > 0) {
3083                         $result = db_query($link, "SELECT ttrss_feed_categories.title
3084                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
3085                                         cat_id = ttrss_feed_categories.id");
3086                         if (db_num_rows($result) == 1) {
3087                                 return db_fetch_result($result, 0, "title");
3088                         } else {
3089                                 return __("Uncategorized");
3090                         }
3091                 } else {
3092                         return "getFeedCatTitle($id) failed";
3093                 }
3094
3095         }
3096
3097         function getFeedIcon($id) {
3098                 switch ($id) {
3099                 case 0:
3100                         return "images/archive.png";
3101                         break;
3102                 case -1:
3103                         return "images/mark_set.png";
3104                         break;
3105                 case -2:
3106                         return "images/pub_set.png";
3107                         break;
3108                 case -3:
3109                         return "images/fresh.png";
3110                         break;
3111                 case -4:
3112                         return "images/tag.png";
3113                         break;
3114                 default:
3115                         if ($id < -10) {
3116                                 return "images/label.png";
3117                         } else {
3118                                 if (file_exists(ICONS_DIR . "/$id.ico"))
3119                                         return ICONS_URL . "/$id.ico";
3120                         }
3121                         break;
3122                 }
3123         }
3124
3125         function getFeedTitle($link, $id) {
3126                 if ($id == -1) {
3127                         return __("Starred articles");
3128                 } else if ($id == -2) {
3129                         return __("Published articles");
3130                 } else if ($id == -3) {
3131                         return __("Fresh articles");
3132                 } else if ($id == -4) {
3133                         return __("All articles");
3134                 } else if ($id === 0 || $id === "0") {
3135                         return __("Archived articles");
3136                 } else if ($id < -10) {
3137                         $label_id = -$id - 11;
3138                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
3139                         if (db_num_rows($result) == 1) {
3140                                 return db_fetch_result($result, 0, "caption");
3141                         } else {
3142                                 return "Unknown label ($label_id)";
3143                         }
3144
3145                 } else if ($id > 0) {
3146                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3147                         if (db_num_rows($result) == 1) {
3148                                 return db_fetch_result($result, 0, "title");
3149                         } else {
3150                                 return "Unknown feed ($id)";
3151                         }
3152                 } else {
3153                         return $id;
3154                 }
3155         }
3156
3157         function get_session_cookie_name() {
3158                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3159         }
3160
3161         function make_init_params($link) {
3162                 $params = array();
3163
3164                 $params["theme"] = get_user_theme($link);
3165                 $params["theme_options"] = get_user_theme_options($link);
3166                 $params["daemon_enabled"] = ENABLE_UPDATE_DAEMON;
3167
3168                 $params["sign_progress"] = theme_image($link, "images/indicator_white.gif");
3169                 $params["sign_progress_tiny"] = theme_image($link, "images/indicator_tiny.gif");
3170                 $params["sign_excl"] = theme_image($link, "images/sign_excl.png");
3171                 $params["sign_info"] = theme_image($link, "images/sign_info.png");
3172
3173                 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
3174                         "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
3175                         "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE", "DEFAULT_ARTICLE_LIMIT",
3176                         "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
3177
3178                                  $params[strtolower($param)] = (int) get_pref($link, $param);
3179                  }
3180
3181                 $params["icons_url"] = ICONS_URL;
3182                 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
3183                 $params["default_view_mode"] = get_pref($link, "_DEFAULT_VIEW_MODE");
3184                 $params["default_view_limit"] = (int) get_pref($link, "_DEFAULT_VIEW_LIMIT");
3185                 $params["default_view_order_by"] = get_pref($link, "_DEFAULT_VIEW_ORDER_BY");
3186                 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
3187
3188                 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
3189                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3190
3191                 $max_feed_id = db_fetch_result($result, 0, "mid");
3192                 $num_feeds = db_fetch_result($result, 0, "nf");
3193
3194                 $params["max_feed_id"] = (int) $max_feed_id;
3195                 $params["num_feeds"] = (int) $num_feeds;
3196
3197                 $params["collapsed_feedlist"] = (int) get_pref($link, "_COLLAPSED_FEEDLIST");
3198
3199                 return $params;
3200         }
3201
3202         function print_runtime_info($link) {
3203                 print "<runtime-info><![CDATA[";
3204                 print json_encode(make_runtime_info($link));
3205                 print "]]></runtime-info>";
3206         }
3207
3208         function make_runtime_info($link) {
3209                 $data = array();
3210
3211                 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
3212                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3213
3214                 $max_feed_id = db_fetch_result($result, 0, "mid");
3215                 $num_feeds = db_fetch_result($result, 0, "nf");
3216
3217                 $data["max_feed_id"] = (int) $max_feed_id;
3218                 $data["num_feeds"] = (int) $num_feeds;
3219
3220                 $data['last_article_id'] = getLastArticleId($link);
3221                 $data['cdm_expanded'] = get_pref($link, 'CDM_EXPANDED');
3222
3223                 if (ENABLE_UPDATE_DAEMON) {
3224
3225                         $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
3226
3227                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3228
3229                                 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
3230
3231                                 if ($stamp) {
3232                                         $stamp_delta = time() - $stamp;
3233
3234                                         if ($stamp_delta > 1800) {
3235                                                 $stamp_check = 0;
3236                                         } else {
3237                                                 $stamp_check = 1;
3238                                                 $_SESSION["daemon_stamp_check"] = time();
3239                                         }
3240
3241                                         $data['daemon_stamp_ok'] = $stamp_check;
3242
3243                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3244
3245                                         $data['daemon_stamp'] = $stamp_fmt;
3246                                 }
3247                         }
3248                 }
3249
3250                 if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3251                                 $new_version_details = @check_for_update($link);
3252
3253                                 $data['new_version_available'] = (int) ($new_version_details != false);
3254
3255                                 $_SESSION["last_version_check"] = time();
3256                 }
3257
3258                 return $data;
3259         }
3260
3261         function getSearchSql($link, $search, $match_on) {
3262
3263                 $search_query_part = "";
3264
3265                 $keywords = split(" ", $search);
3266                 $query_keywords = array();
3267
3268                 foreach ($keywords as $k) {
3269                         if (strpos($k, "-") === 0) {
3270                                 $k = substr($k, 1);
3271                                 $not = "NOT";
3272                         } else {
3273                                 $not = "";
3274                         }
3275
3276                         if (strpos($k, "@") === 0) {
3277
3278                                 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $_SESSION['uid']);
3279                                 $orig_ts = strtotime(substr($k, 1));
3280
3281                                 $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
3282
3283                                 array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
3284                         } else if ($match_on == "both") {
3285                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
3286                                                 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3287                         } else if ($match_on == "title") {
3288                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
3289                         } else if ($match_on == "content") {
3290                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3291                         }
3292                 }
3293
3294                 $search_query_part = implode("AND", $query_keywords);
3295
3296                 return $search_query_part;
3297         }
3298
3299         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3300
3301                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3302
3303                 $ext_tables_part = "";
3304
3305                         if ($search) {
3306
3307                                 if (SPHINX_ENABLED) {
3308                                         $ids = join(",", @sphinx_search($search, 0, 500));
3309
3310                                         if ($ids)
3311                                                 $search_query_part = "ref_id IN ($ids) AND ";
3312                                         else
3313                                                 $search_query_part = "ref_id = -1 AND ";
3314
3315                                 } else {
3316                                         $search_query_part = getSearchSql($link, $search, $match_on);
3317                                         $search_query_part .= " AND ";
3318                                 }
3319
3320                         } else {
3321                                 $search_query_part = "";
3322                         }
3323
3324                         $view_query_part = "";
3325
3326                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3327                                 if ($search) {
3328                                         $view_query_part = " ";
3329                                 } else if ($feed != -1) {
3330                                         $unread = getFeedUnread($link, $feed, $cat_view);
3331                                         if ($unread > 0) {
3332                                                 $view_query_part = " unread = true AND ";
3333                                         }
3334                                 }
3335                         }
3336
3337                         if ($view_mode == "marked") {
3338                                 $view_query_part = " marked = true AND ";
3339                         }
3340
3341                         if ($view_mode == "published") {
3342                                 $view_query_part = " published = true AND ";
3343                         }
3344
3345                         if ($view_mode == "unread") {
3346                                 $view_query_part = " unread = true AND ";
3347                         }
3348
3349                         if ($view_mode == "updated") {
3350                                 $view_query_part = " (last_read is null and unread = false) AND ";
3351                         }
3352
3353                         if ($limit > 0) {
3354                                 $limit_query_part = "LIMIT " . $limit;
3355                         }
3356
3357                         $vfeed_query_part = "";
3358
3359                         // override query strategy and enable feed display when searching globally
3360                         if ($search && $search_mode == "all_feeds") {
3361                                 $query_strategy_part = "ttrss_entries.id > 0";
3362                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3363                         /* tags */
3364                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3365                                 $query_strategy_part = "ttrss_entries.id > 0";
3366                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3367                                         id = feed_id) as feed_title,";
3368                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
3369
3370                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3371
3372                                 $tmp_result = false;
3373
3374                                 if ($cat_view) {
3375                                         $tmp_result = db_query($link, "SELECT id
3376                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3377                                 } else {
3378                                         $tmp_result = db_query($link, "SELECT id
3379                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3380                                                         WHERE id = '$feed') AND id != '$feed'");
3381                                 }
3382
3383                                 $cat_siblings = array();
3384
3385                                 if (db_num_rows($tmp_result) > 0) {
3386                                         while ($p = db_fetch_assoc($tmp_result)) {
3387                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3388                                         }
3389
3390                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3391                                                 $feed, implode(" OR ", $cat_siblings));
3392
3393                                 } else {
3394                                         $query_strategy_part = "ttrss_entries.id > 0";
3395                                 }
3396
3397                         } else if ($feed > 0) {
3398
3399                                 if ($cat_view) {
3400
3401                                         if ($feed > 0) {
3402                                                 $query_strategy_part = "cat_id = '$feed'";
3403                                         } else {
3404                                                 $query_strategy_part = "cat_id IS NULL";
3405                                         }
3406
3407                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3408
3409                                 } else {
3410                                         $query_strategy_part = "feed_id = '$feed'";
3411                                 }
3412                         } else if ($feed == 0 && !$cat_view) { // archive virtual feed
3413                                 $query_strategy_part = "feed_id IS NULL";
3414                         } else if ($feed == 0 && $cat_view) { // uncategorized
3415                                 $query_strategy_part = "cat_id IS NULL";
3416                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3417                         } else if ($feed == -1) { // starred virtual feed
3418                                 $query_strategy_part = "marked = true";
3419                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3420                         } else if ($feed == -2) { // published virtual feed OR labels category
3421
3422                                 if (!$cat_view) {
3423                                         $query_strategy_part = "published = true";
3424                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3425                                 } else {
3426                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3427
3428                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3429
3430                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3431                                                 ttrss_user_labels2.article_id = ref_id";
3432
3433                                 }
3434
3435                         } else if ($feed == -3) { // fresh virtual feed
3436                                 $query_strategy_part = "unread = true AND score >= 0";
3437
3438                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3439
3440                                 if (DB_TYPE == "pgsql") {
3441                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3442                                 } else {
3443                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3444                                 }
3445
3446                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3447                         } else if ($feed == -4) { // all articles virtual feed
3448                                 $query_strategy_part = "true";
3449                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3450                         } else if ($feed <= -10) { // labels
3451                                 $label_id = -$feed - 11;
3452
3453                                 $query_strategy_part = "label_id = '$label_id' AND
3454                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3455                                         ttrss_user_labels2.article_id = ref_id";
3456
3457                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3458                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3459
3460                         } else {
3461                                 $query_strategy_part = "id > 0"; // dumb
3462                         }
3463
3464                         if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3465                                 $date_sort_field = "updated";
3466                         } else {
3467                                 $date_sort_field = "date_entered";
3468                         }
3469
3470                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3471                                 $order_by = "$date_sort_field";
3472                         } else {
3473                                 $order_by = "$date_sort_field DESC";
3474                         }
3475
3476                         if ($view_mode != "noscores") {
3477                                 $order_by = "score DESC, $order_by";
3478                         }
3479
3480                         if ($override_order) {
3481                                 $order_by = $override_order;
3482                         }
3483
3484                         $feed_title = "";
3485
3486                         if ($search) {
3487                                 $feed_title = "Search results";
3488                         } else {
3489                                 if ($cat_view) {
3490                                         $feed_title = getCategoryTitle($link, $feed);
3491                                 } else {
3492                                         if ((int)$feed == $feed && $feed > 0) {
3493                                                 $result = db_query($link, "SELECT title,site_url,last_error
3494                                                         FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
3495
3496                                                 $feed_title = db_fetch_result($result, 0, "title");
3497                                                 $feed_site_url = db_fetch_result($result, 0, "site_url");
3498                                                 $last_error = db_fetch_result($result, 0, "last_error");
3499                                         } else {
3500                                                 $feed_title = getFeedTitle($link, $feed);
3501                                         }
3502                                 }
3503                         }
3504
3505                         $content_query_part = "content as content_preview,";
3506
3507                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3508
3509                                 if ($feed >= 0) {
3510                                         $feed_kind = "Feeds";
3511                                 } else {
3512                                         $feed_kind = "Labels";
3513                                 }
3514
3515                                 if ($limit_query_part) {
3516                                         $offset_query_part = "OFFSET $offset";
3517                                 }
3518
3519                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3520                                         if (!$override_order) {
3521                                                 $order_by = "ttrss_feeds.title, $order_by";
3522                                         }
3523                                 }
3524
3525                                 if ($feed != "0") {
3526                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
3527                                         $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
3528
3529                                 } else {
3530                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
3531                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
3532                                 }
3533
3534                                 $query = "SELECT DISTINCT
3535                                                 date_entered,
3536                                                 guid,
3537                                                 ttrss_entries.id,ttrss_entries.title,
3538                                                 updated,
3539                                                 note,
3540                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
3541                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3542                                                 $vfeed_query_part
3543                                                 $content_query_part
3544                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3545                                                 author,score
3546                                         FROM
3547                                                 $from_qpart
3548                                         WHERE
3549                                         $feed_check_qpart
3550                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3551                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3552                                         $search_query_part
3553                                         $view_query_part
3554                                         $query_strategy_part ORDER BY $order_by
3555                                         $limit_query_part $offset_query_part";
3556
3557                                 if ($_REQUEST["debug"]) print $query;
3558
3559                                 $result = db_query($link, $query);
3560
3561                         } else {
3562                                 // browsing by tag
3563
3564                                 $feed_kind = "Tags";
3565
3566                                 $result = db_query($link, "SELECT DISTINCT
3567                                         date_entered,
3568                                         guid,
3569                                         note,
3570                                         ttrss_entries.id as id,title,
3571                                         updated,
3572                                         unread,feed_id,orig_feed_id,
3573                                         marked,link,last_read,
3574                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3575                                         $vfeed_query_part
3576                                         $content_query_part
3577                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3578                                         score
3579                                         FROM
3580                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3581                                         WHERE
3582                                                 ref_id = ttrss_entries.id AND
3583                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3584                                                 post_int_id = int_id AND tag_name = '$feed' AND
3585                                                 $view_query_part
3586                                                 $search_query_part
3587                                                 $query_strategy_part ORDER BY $order_by
3588                                         $limit_query_part");
3589                         }
3590
3591                         return array($result, $feed_title, $feed_site_url, $last_error);
3592
3593         }
3594
3595         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3596                 $limit, $search, $search_mode, $match_on, $view_mode = false) {
3597
3598                 $note_style =   "float : right; background-color : #fff7d5; border-width : 1px; ".
3599                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3600                         "margin-bottom : 1em; color : #9a8c59;";
3601
3602                 if (!$limit) $limit = 30;
3603
3604                 if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3605                         $date_sort_field = "updated";
3606                 } else {
3607                         $date_sort_field = "date_entered";
3608                 }
3609
3610                 $qfh_ret = queryFeedHeadlines($link, $feed,
3611                         $limit, $view_mode, $is_cat, $search, $search_mode,
3612                         $match_on, "$date_sort_field DESC", 0, $owner_uid);
3613
3614                 $result = $qfh_ret[0];
3615                 $feed_title = htmlspecialchars($qfh_ret[1]);
3616                 $feed_site_url = $qfh_ret[2];
3617                 $last_error = $qfh_ret[3];
3618
3619 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3620
3621                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3622                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3623                         <rss version=\"2.0\">
3624                         <channel>
3625                         <title>$feed_title</title>
3626                         <link>$feed_site_url</link>
3627                         <description>Feed generated by Tiny Tiny RSS</description>";
3628
3629                 while ($line = db_fetch_assoc($result)) {
3630                         print "<item>";
3631                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3632                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3633
3634                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3635
3636                         foreach ($tags as $tag) {
3637                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3638                         }
3639
3640                         $rfc822_date = date('r', strtotime($line["updated"]));
3641
3642                         print "<pubDate>$rfc822_date</pubDate>";
3643
3644                         if ($line["author"]) {
3645                                 print "<author>" . htmlspecialchars($line["author"]) . "</author>";
3646                         }
3647
3648                         print "<title><![CDATA[" .
3649                                 htmlspecialchars($line["title"]) . "]]></title>";
3650
3651                         print "<description><![CDATA[";
3652
3653                         if ($line["note"]) {
3654                                 print "<div style='$note_style'>";
3655                                 print $line["note"];
3656                                 print "</div>";
3657                         }
3658
3659                         print sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3660                         print "]]></description>";
3661
3662                         $enclosures = get_article_enclosures($link, $line["id"]);
3663
3664                         foreach ($enclosures as $e) {
3665                                 $type = htmlspecialchars($e['content_type']);
3666                                 $url = htmlspecialchars($e['content_url']);
3667                                 $length = $e['duration'];
3668                                 print "<enclosure url=\"$url\" type=\"$type\" length=\"$length\"/>";
3669                         }
3670
3671                         print "</item>";
3672                 }
3673
3674                 print "</channel></rss>";
3675
3676         }
3677
3678         function getCategoryTitle($link, $cat_id) {
3679
3680                 if ($cat_id == -1) {
3681                         return __("Special");
3682                 } else if ($cat_id == -2) {
3683                         return __("Labels");
3684                 } else {
3685
3686                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3687                                 id = '$cat_id'");
3688
3689                         if (db_num_rows($result) == 1) {
3690                                 return db_fetch_result($result, 0, "title");
3691                         } else {
3692                                 return "Uncategorized";
3693                         }
3694                 }
3695         }
3696
3697         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) {
3698                 global $purifier;
3699
3700                 if (!$owner) $owner = $_SESSION["uid"];
3701
3702                 $res = trim($str); if (!$res) return '';
3703
3704                 if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3705                         $res = $purifier->purify($res);
3706                 }
3707
3708                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3709                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3710                 }
3711
3712                 if (strpos($res, "href=") === false)
3713                         $res = rewrite_urls($res);
3714
3715                 $charset_hack = '<head>
3716                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3717                 </head>';
3718
3719                 $res = trim($res); if (!$res) return '';
3720
3721                 libxml_use_internal_errors(true);
3722
3723                 $doc = new DOMDocument();
3724                 $doc->loadHTML($charset_hack . $res);
3725                 $xpath = new DOMXPath($doc);
3726
3727                 $entries = $xpath->query('(//a[@href]|//img[@src])');
3728                 $br_inserted = 0;
3729
3730                 foreach ($entries as $entry) {
3731
3732                         if ($site_url) {
3733
3734                                 if ($entry->hasAttribute('href'))
3735                                         $entry->setAttribute('href',
3736                                                 rewrite_relative_url($site_url, $entry->getAttribute('href')));
3737
3738                                 if ($entry->hasAttribute('src'))
3739                                         if (preg_match('/^image.php\?i=[a-z0-9]+$/', $entry->getAttribute('src')) == 0)
3740                                                 $entry->setAttribute('src',
3741                                                         rewrite_relative_url($site_url, $entry->getAttribute('src')));
3742                         }
3743
3744                         if (strtolower($entry->nodeName) == "a") {
3745                                 $entry->setAttribute("target", "_blank");
3746                         }
3747
3748                         if (strtolower($entry->nodeName) == "img" && !$br_inserted) {
3749                                 $br = $doc->createElement("br");
3750
3751                                 if ($entry->parentNode->nextSibling) {
3752                                         $entry->parentNode->insertBefore($br, $entry->nextSibling);
3753                                         $br_inserted = 1;
3754                                 }
3755
3756                         }
3757                 }
3758
3759                 $node = $doc->getElementsByTagName('body')->item(0);
3760
3761                 return $doc->saveXML($node);
3762         }
3763
3764         /**
3765          * Send by mail a digest of last articles.
3766          *
3767          * @param mixed $link The database connection.
3768          * @param integer $limit The maximum number of articles by digest.
3769          * @return boolean Return false if digests are not enabled.
3770          */
3771         function send_headlines_digests($link, $limit = 100) {
3772
3773                 if (!DIGEST_ENABLE) return false;
3774
3775                 $user_limit = DIGEST_EMAIL_LIMIT;
3776                 $days = 1;
3777
3778                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3779
3780                 if (DB_TYPE == "pgsql") {
3781                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3782                 } else if (DB_TYPE == "mysql") {
3783                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3784                 }
3785
3786                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3787                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3788
3789                 while ($line = db_fetch_assoc($result)) {
3790
3791                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3792                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3793
3794                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3795
3796                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3797                                 $digest = $tuple[0];
3798                                 $headlines_count = $tuple[1];
3799                                 $affected_ids = $tuple[2];
3800                                 $digest_text = $tuple[3];
3801
3802                                 if ($headlines_count > 0) {
3803
3804                                         $mail = new PHPMailer();
3805
3806                                         $mail->PluginDir = "lib/phpmailer/";
3807                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3808
3809                                         $mail->CharSet = "UTF-8";
3810
3811                                         $mail->From = DIGEST_FROM_ADDRESS;
3812                                         $mail->FromName = DIGEST_FROM_NAME;
3813                                         $mail->AddAddress($line["email"], $line["login"]);
3814
3815                                         if (DIGEST_SMTP_HOST) {
3816                                                 $mail->Host = DIGEST_SMTP_HOST;
3817                                                 $mail->Mailer = "smtp";
3818                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3819                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3820                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3821                                         }
3822
3823                                         $mail->IsHTML(true);
3824                                         $mail->Subject = DIGEST_SUBJECT;
3825                                         $mail->Body = $digest;
3826                                         $mail->AltBody = $digest_text;
3827
3828                                         $rc = $mail->Send();
3829
3830                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3831
3832                                         print "RC=$rc\n";
3833
3834                                         if ($rc && $do_catchup) {
3835                                                 print "Marking affected articles as read...\n";
3836                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3837                                         }
3838                                 } else {
3839                                         print "No headlines\n";
3840                                 }
3841
3842                                 db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3843                                         WHERE id = " . $line["id"]);
3844                         }
3845                 }
3846
3847                 print "All done.\n";
3848
3849         }
3850
3851         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3852
3853                 require_once "lib/MiniTemplator.class.php";
3854
3855                 $tpl = new MiniTemplator;
3856                 $tpl_t = new MiniTemplator;
3857
3858                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3859                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3860
3861                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3862                 $tpl->setVariable('CUR_TIME', date('G:i'));
3863
3864                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3865                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3866
3867                 $affected_ids = array();
3868
3869                 if (DB_TYPE == "pgsql") {
3870                         $interval_query = "ttrss_entries.date_updated > NOW() - INTERVAL '$days days'";
3871                 } else if (DB_TYPE == "mysql") {
3872                         $interval_query = "ttrss_entries.date_updated > DATE_SUB(NOW(), INTERVAL $days DAY)";
3873                 }
3874
3875                 $result = db_query($link, "SELECT ttrss_entries.title,
3876                                 ttrss_feeds.title AS feed_title,
3877                                 date_updated,
3878                                 ttrss_user_entries.ref_id,
3879                                 link,
3880                                 SUBSTRING(content, 1, 120) AS excerpt,
3881                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3882                         FROM
3883                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3884                         WHERE
3885                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3886                                 AND include_in_digest = true
3887                                 AND $interval_query
3888                                 AND ttrss_user_entries.owner_uid = $user_id
3889                                 AND unread = true
3890                         ORDER BY ttrss_feeds.title, date_updated DESC
3891                         LIMIT $limit");
3892
3893                 $cur_feed_title = "";
3894
3895                 $headlines_count = db_num_rows($result);
3896
3897                 $headlines = array();
3898
3899                 while ($line = db_fetch_assoc($result)) {
3900                         array_push($headlines, $line);
3901                 }
3902
3903                 for ($i = 0; $i < sizeof($headlines); $i++) {
3904
3905                         $line = $headlines[$i];
3906
3907                         array_push($affected_ids, $line["ref_id"]);
3908
3909                         $updated = make_local_datetime($link, $line['last_updated'], false,
3910                                 $user_id);
3911
3912                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3913                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3914                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3915                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3916                         $tpl->setVariable('ARTICLE_EXCERPT',
3917                                 truncate_string(strip_tags($line["excerpt"]), 100));
3918
3919                         $tpl->addBlock('article');
3920
3921                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3922                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3923                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3924                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3925 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3926 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3927
3928                         $tpl_t->addBlock('article');
3929
3930                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3931                                 $tpl->addBlock('feed');
3932                                 $tpl_t->addBlock('feed');
3933                         }
3934
3935                 }
3936
3937                 $tpl->addBlock('digest');
3938                 $tpl->generateOutputToString($tmp);
3939
3940                 $tpl_t->addBlock('digest');
3941                 $tpl_t->generateOutputToString($tmp_t);
3942
3943                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3944         }
3945
3946         function check_for_update($link) {
3947                 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
3948                         $version_url = "http://tt-rss.org/version.php?ver=" . VERSION;
3949
3950                         $version_data = @fetch_file_contents($version_url);
3951
3952                         if ($version_data) {
3953                                 $version_data = json_decode($version_data, true);
3954                                 if ($version_data && $version_data['version']) {
3955
3956                                         if (version_compare(VERSION, $version_data['version']) == -1) {
3957                                                 return $version_data;
3958                                         }
3959                                 }
3960                         }
3961                 }
3962                 return false;
3963         }
3964
3965         function markArticlesById($link, $ids, $cmode) {
3966
3967                 $tmp_ids = array();
3968
3969                 foreach ($ids as $id) {
3970                         array_push($tmp_ids, "ref_id = '$id'");
3971                 }
3972
3973                 $ids_qpart = join(" OR ", $tmp_ids);
3974
3975                 if ($cmode == 0) {
3976                         db_query($link, "UPDATE ttrss_user_entries SET
3977                         marked = false,last_read = NOW()
3978                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3979                 } else if ($cmode == 1) {
3980                         db_query($link, "UPDATE ttrss_user_entries SET
3981                         marked = true
3982                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3983                 } else {
3984                         db_query($link, "UPDATE ttrss_user_entries SET
3985                         marked = NOT marked,last_read = NOW()
3986                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3987                 }
3988         }
3989
3990         function publishArticlesById($link, $ids, $cmode) {
3991
3992                 $tmp_ids = array();
3993
3994                 foreach ($ids as $id) {
3995                         array_push($tmp_ids, "ref_id = '$id'");
3996                 }
3997
3998                 $ids_qpart = join(" OR ", $tmp_ids);
3999
4000                 if ($cmode == 0) {
4001                         db_query($link, "UPDATE ttrss_user_entries SET
4002                         published = false,last_read = NOW()
4003                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4004                 } else if ($cmode == 1) {
4005                         db_query($link, "UPDATE ttrss_user_entries SET
4006                         published = true
4007                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4008                 } else {
4009                         db_query($link, "UPDATE ttrss_user_entries SET
4010                         published = NOT published,last_read = NOW()
4011                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4012                 }
4013         }
4014
4015         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
4016
4017                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4018                 if (count($ids) == 0) return;
4019
4020                 $tmp_ids = array();
4021
4022                 foreach ($ids as $id) {
4023                         array_push($tmp_ids, "ref_id = '$id'");
4024                 }
4025
4026                 $ids_qpart = join(" OR ", $tmp_ids);
4027
4028                 if ($cmode == 0) {
4029                         db_query($link, "UPDATE ttrss_user_entries SET
4030                         unread = false,last_read = NOW()
4031                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4032                 } else if ($cmode == 1) {
4033                         db_query($link, "UPDATE ttrss_user_entries SET
4034                         unread = true
4035                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4036                 } else {
4037                         db_query($link, "UPDATE ttrss_user_entries SET
4038                         unread = NOT unread,last_read = NOW()
4039                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4040                 }
4041
4042                 /* update ccache */
4043
4044                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
4045                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4046
4047                 while ($line = db_fetch_assoc($result)) {
4048                         ccache_update($link, $line["feed_id"], $owner_uid);
4049                 }
4050         }
4051
4052         function catchupArticleById($link, $id, $cmode) {
4053
4054                 if ($cmode == 0) {
4055                         db_query($link, "UPDATE ttrss_user_entries SET
4056                         unread = false,last_read = NOW()
4057                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4058                 } else if ($cmode == 1) {
4059                         db_query($link, "UPDATE ttrss_user_entries SET
4060                         unread = true
4061                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4062                 } else {
4063                         db_query($link, "UPDATE ttrss_user_entries SET
4064                         unread = NOT unread,last_read = NOW()
4065                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4066                 }
4067
4068                 $feed_id = getArticleFeed($link, $id);
4069                 ccache_update($link, $feed_id, $_SESSION["uid"]);
4070         }
4071
4072         function make_guid_from_title($title) {
4073                 return preg_replace("/[ \"\',.:;]/", "-",
4074                         mb_strtolower(strip_tags($title), 'utf-8'));
4075         }
4076
4077         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4078                         $feed_id, $is_cat, $search, $match_on,
4079                         $search_mode, $view_mode, $error) {
4080
4081                         $page_prev_link = "viewFeedGoPage(-1)";
4082                         $page_next_link = "viewFeedGoPage(1)";
4083                         $page_first_link = "viewFeedGoPage(0)";
4084
4085                         $catchup_page_link = "catchupPage()";
4086                         $catchup_feed_link = "catchupCurrentFeed()";
4087                         $catchup_sel_link = "catchupSelection()";
4088
4089                         $archive_sel_link = "archiveSelection()";
4090                         $delete_sel_link = "deleteSelection()";
4091
4092                         $sel_all_link = "selectArticles('all')";
4093                         $sel_unread_link = "selectArticles('unread')";
4094                         $sel_none_link = "selectArticles('none')";
4095                         $sel_inv_link = "selectArticles('invert')";
4096
4097                         $tog_unread_link = "selectionToggleUnread()";
4098                         $tog_marked_link = "selectionToggleMarked()";
4099                         $tog_published_link = "selectionTogglePublished()";
4100
4101                         print "<div id=\"subtoolbar_main\">";
4102
4103                         print __('Select:')."
4104                                 <a href=\"#\" onclick=\"$sel_all_link\">".__('All')."</a>,
4105                                 <a href=\"#\" onclick=\"$sel_unread_link\">".__('Unread')."</a>,
4106                                 <a href=\"#\" onclick=\"$sel_inv_link\">".__('Invert')."</a>,
4107                                 <a href=\"#\" onclick=\"$sel_none_link\">".__('None')."</a></li>";
4108
4109                         print " ";
4110
4111                         print "<select dojoType=\"dijit.form.Select\"
4112                                 onchange=\"headlineActionsChange(this)\">";
4113                         print "<option value=\"false\">".__('Actions...')."</option>";
4114
4115                         print "<option value=\"0\" disabled=\"1\">".__('Selection toggle:')."</option>";
4116
4117                         print "<option value=\"$tog_unread_link\">".__('Unread')."</option>
4118                                 <option value=\"$tog_marked_link\">".__('Starred')."</option>
4119                                 <option value=\"$tog_published_link\">".__('Published')."</option>";
4120
4121                         print "<option value=\"0\" disabled=\"1\">".__('Selection:')."</option>";
4122
4123                         print "<option value=\"$catchup_sel_link\">".__('Mark as read')."</option>";
4124
4125                         if ($feed_id != "0") {
4126                                 print "<option value=\"$archive_sel_link\">".__('Archive')."</option>";
4127                         } else {
4128                                 print "<option value=\"$archive_sel_link\">".__('Move back')."</option>";
4129                                 print "<option value=\"$delete_sel_link\">".__('Delete')."</option>";
4130
4131                         }
4132
4133                         print "<option value=\"emailArticle(false)\">".__('Forward by email').
4134                                 "</option>";
4135
4136                         $rss_link = htmlspecialchars(get_self_url_prefix() .
4137                                 "/backend.php?op=rss&id=$feed_id&is_cat=$is_cat&view_mode=$view_mode$search_q");
4138
4139                         print "<option value=\"0\" disabled=\"1\">".__('Feed:')."</option>";
4140
4141                         print "<option value=\"catchupPage()\">".__('Mark as read')."</option>";
4142
4143                         print "<option value=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">".__('View as RSS')."</option>";
4144
4145                         print "</select>";
4146
4147                         print "</div>";
4148
4149                         print "<div id=\"subtoolbar_ftitle\">";
4150
4151                         if ($feed_site_url) {
4152                                 $target = "target=\"_blank\"";
4153                                 print "<a title=\"".__("Visit the website")."\" $target href=\"$feed_site_url\">".
4154                                         truncate_string($feed_title,30)."</a>";
4155
4156                                 if ($error) {
4157                                         print " (<span class=\"error\" title=\"$error\">Error</span>)";
4158                                 }
4159
4160                         } else {
4161                                 if ($feed_id < -10) {
4162                                         $label_id = -11-$feed_id;
4163
4164                                         $result = db_query($link, "SELECT fg_color, bg_color
4165                                                 FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
4166                                                 $_SESSION["uid"]);
4167
4168                                         if (db_num_rows($result) != 0) {
4169                                                 $fg_color = db_fetch_result($result, 0, "fg_color");
4170                                                 $bg_color = db_fetch_result($result, 0, "bg_color");
4171
4172                                                 print "<span style='background : $bg_color; color : $fg_color'>";
4173                                                 print $feed_title;
4174                                                 print "</span>";
4175                                         } else {
4176                                                 print $feed_title;
4177                                         }
4178
4179                                 } else {
4180                                         print $feed_title;
4181                                 }
4182                         }
4183
4184                         if ($search) {
4185                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4186                         } else {
4187                                 $search_q = "";
4188                         }
4189
4190                         // Adaptive doesn't really make any sense for generated feeds
4191                         // All Articles is the default, so no need to insert it either
4192                         if ($view_mode == "adaptive" || $view_mode == "all_articles")
4193                                 $view_mode = "";
4194                         else
4195                                 $view_mode = "&view-mode=$view_mode";
4196
4197                         print "
4198                                 <a href=\"#\"
4199                                         title=\"".__("View as RSS feed")."\"
4200                                         onclick=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">
4201                                         <img class=\"noborder\" style=\"vertical-align : middle\" src=\"images/feed-icon-12x12.png\"></a>";
4202
4203                         print "</div>";
4204
4205                 }
4206
4207         function outputFeedList($link, $special = true) {
4208
4209                 $feedlist = array();
4210
4211                 $enable_cats = get_pref($link, 'ENABLE_FEED_CATS');
4212
4213                 $feedlist['identifier'] = 'id';
4214                 $feedlist['label'] = 'name';
4215                 $feedlist['items'] = array();
4216
4217                 $owner_uid = $_SESSION["uid"];
4218
4219                 /* virtual feeds */
4220
4221                 if ($special) {
4222
4223                         if ($enable_cats) {
4224                                 $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4225                                 $cat = feedlist_init_cat($link, -1, $cat_hidden);
4226                         } else {
4227                                 $cat['items'] = array();
4228                         }
4229
4230                         foreach (array(-4, -3, -1, -2, 0) as $i) {
4231                                 array_push($cat['items'], feedlist_init_feed($link, $i));
4232                         }
4233
4234                         if ($enable_cats) {
4235                                 array_push($feedlist['items'], $cat);
4236                         } else {
4237                                 $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4238                         }
4239
4240                         $result = db_query($link, "SELECT * FROM
4241                                 ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4242
4243                         if (db_num_rows($result) > 0) {
4244
4245                                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4246                                         $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
4247                                         $cat = feedlist_init_cat($link, -2, $cat_hidden);
4248                                 } else {
4249                                         $cat['items'] = array();
4250                                 }
4251
4252                                 while ($line = db_fetch_assoc($result)) {
4253
4254                                         $label_id = -$line['id'] - 11;
4255                                         $count = getFeedUnread($link, $label_id);
4256
4257                                         $feed = feedlist_init_feed($link, $label_id, false, $count);
4258
4259                                         $feed['fg_color'] = $line['fg_color'];
4260                                         $feed['bg_color'] = $line['bg_color'];
4261
4262                                         array_push($cat['items'], $feed);
4263                                 }
4264
4265                                 if ($enable_cats) {
4266                                         array_push($feedlist['items'], $cat);
4267                                 } else {
4268                                         $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4269                                 }
4270                         }
4271                 }
4272
4273 /*              if (get_pref($link, 'ENABLE_FEED_CATS')) {
4274                         if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4275                                 $order_by_qpart = "order_id,category,unread DESC,title";
4276                         } else {
4277                                 $order_by_qpart = "order_id,category,title";
4278                         }
4279                 } else {
4280                         if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4281                                 $order_by_qpart = "unread DESC,title";
4282                         } else {
4283                                 $order_by_qpart = "title";
4284                         }
4285                 } */
4286
4287                 /* real feeds */
4288
4289                 if ($enable_cats)
4290                         $order_by_qpart = "ttrss_feed_categories.order_id,category,
4291                                 ttrss_feeds.order_id,title";
4292                 else
4293                         $order_by_qpart = "title";
4294
4295                 $age_qpart = getMaxAgeSubquery();
4296
4297                 $query = "SELECT ttrss_feeds.id, ttrss_feeds.title,
4298                         ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4299                         cat_id,last_error,
4300                         ttrss_feed_categories.title AS category,
4301                         ttrss_feed_categories.collapsed,
4302                         value AS unread
4303                         FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4304                                 ON (ttrss_feed_categories.id = cat_id)
4305                         LEFT JOIN ttrss_counters_cache
4306                                 ON
4307                                         (ttrss_feeds.id = feed_id)
4308                         WHERE
4309                                 ttrss_feeds.owner_uid = '$owner_uid'
4310                         ORDER BY $order_by_qpart";
4311
4312                 $result = db_query($link, $query);
4313
4314                 $actid = $_REQUEST["actid"];
4315
4316                 if (db_num_rows($result) > 0) {
4317
4318                         $category = "";
4319
4320                         if (!$enable_cats)
4321                                 $cat['items'] = array();
4322                         else
4323                                 $cat = false;
4324
4325                         while ($line = db_fetch_assoc($result)) {
4326
4327                                 $feed = htmlspecialchars(trim($line["title"]));
4328
4329                                 if (!$feed) $feed = "[Untitled]";
4330
4331                                 $feed_id = $line["id"];
4332                                 $unread = $line["unread"];
4333
4334                                 $cat_id = $line["cat_id"];
4335                                 $tmp_category = $line["category"];
4336                                 if (!$tmp_category) $tmp_category = __("Uncategorized");
4337
4338                                 if ($category != $tmp_category && $enable_cats) {
4339
4340                                         $category = $tmp_category;
4341
4342                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4343
4344                                         // workaround for NULL category
4345                                         if ($category == __("Uncategorized")) {
4346                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4347                                         }
4348
4349                                         if ($cat) array_push($feedlist['items'], $cat);
4350
4351                                         $cat = feedlist_init_cat($link, $cat_id, $collapsed);
4352                                 }
4353
4354                                 $updated = make_local_datetime($link, $line["updated_noms"], false);
4355
4356                                 array_push($cat['items'], feedlist_init_feed($link, $feed_id,
4357                                         $feed, $unread, $line['last_error'], $updated));
4358                         }
4359
4360                         if ($enable_cats) {
4361                                 array_push($feedlist['items'], $cat);
4362                         } else {
4363                                 $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4364                         }
4365
4366                 }
4367
4368                 return $feedlist;
4369         }
4370
4371         function get_article_tags($link, $id, $owner_uid = 0) {
4372
4373                 global $memcache;
4374
4375                 $a_id = db_escape_string($id);
4376
4377                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4378
4379                 $query = "SELECT DISTINCT tag_name,
4380                         owner_uid as owner FROM
4381                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4382                         ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
4383
4384                 $obj_id = md5("TAGS:$owner_uid:$id");
4385                 $tags = array();
4386
4387                 if ($memcache && $obj = $memcache->get($obj_id)) {
4388                         $tags = $obj;
4389                 } else {
4390                         /* check cache first */
4391
4392                         $result = db_query($link, "SELECT tag_cache FROM ttrss_user_entries
4393                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4394
4395                         $tag_cache = db_fetch_result($result, 0, "tag_cache");
4396
4397                         if ($tag_cache) {
4398                                 $tags = explode(",", $tag_cache);
4399                         } else {
4400
4401                                 /* do it the hard way */
4402
4403                                 $tmp_result = db_query($link, $query);
4404
4405                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4406                                         array_push($tags, $tmp_line["tag_name"]);
4407                                 }
4408
4409                                 /* update the cache */
4410
4411                                 $tags_str = db_escape_string(join(",", $tags));
4412
4413                                 db_query($link, "UPDATE ttrss_user_entries
4414                                         SET tag_cache = '$tags_str' WHERE ref_id = '$id'
4415                                         AND owner_uid = " . $_SESSION["uid"]);
4416                         }
4417
4418                         if ($memcache) $memcache->add($obj_id, $tags, 0, 3600);
4419                 }
4420
4421                 return $tags;
4422         }
4423
4424         function trim_value(&$value) {
4425                 $value = trim($value);
4426         }
4427
4428         function trim_array($array) {
4429                 $tmp = $array;
4430                 array_walk($tmp, 'trim_value');
4431                 return $tmp;
4432         }
4433
4434         function tag_is_valid($tag) {
4435                 if ($tag == '') return false;
4436                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4437                 if (mb_strlen($tag) > 250) return false;
4438
4439                 if (function_exists('iconv')) {
4440                         $tag = iconv("utf-8", "utf-8", $tag);
4441                 }
4442
4443                 if (!$tag) return false;
4444
4445                 return true;
4446         }
4447
4448         function render_login_form($link, $mobile = 0) {
4449                 switch ($mobile) {
4450                 case 0:
4451                         require_once "login_form.php";
4452                         break;
4453                 case 1:
4454                         require_once "mobile/login_form.php";
4455                         break;
4456                 case 2:
4457                         require_once "mobile/classic/login_form.php";
4458                 }
4459         }
4460
4461         // from http://developer.apple.com/internet/safari/faq.html
4462         function no_cache_incantation() {
4463                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4464                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4465                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4466                 header("Cache-Control: post-check=0, pre-check=0", false);
4467                 header("Pragma: no-cache"); // HTTP/1.0
4468         }
4469
4470         function format_warning($msg, $id = "") {
4471                 global $link;
4472                 return "<div class=\"warning\" id=\"$id\">
4473                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4474         }
4475
4476         function format_notice($msg, $id = "") {
4477                 global $link;
4478                 return "<div class=\"notice\" id=\"$id\">
4479                         <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
4480         }
4481
4482         function format_error($msg, $id = "") {
4483                 global $link;
4484                 return "<div class=\"error\" id=\"$id\">
4485                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4486         }
4487
4488         function print_notice($msg) {
4489                 return print format_notice($msg);
4490         }
4491
4492         function print_warning($msg) {
4493                 return print format_warning($msg);
4494         }
4495
4496         function print_error($msg) {
4497                 return print format_error($msg);
4498         }
4499
4500
4501         function T_sprintf() {
4502                 $args = func_get_args();
4503                 return vsprintf(__(array_shift($args)), $args);
4504         }
4505
4506         function format_inline_player($link, $url, $ctype) {
4507
4508                 $entry = "";
4509
4510                 if (strpos($ctype, "audio/") === 0) {
4511
4512                         if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
4513                                 strpos($_SERVER['HTTP_USER_AGENT'], "Chrome") !== false ||
4514                                 strpos($_SERVER['HTTP_USER_AGENT'], "Safari") !== false )) {
4515
4516                                 $id = 'AUDIO-' . uniqid();
4517
4518                                 $entry .= "<audio id=\"$id\"\">
4519                                         <source src=\"$url\"></source>
4520                                         </audio>";
4521
4522                                 $entry .= "<span onclick=\"player(this)\"
4523                                         title=\"".__("Click to play")."\" status=\"0\"
4524                                         class=\"player\" audio-id=\"$id\">".__("Play")."</span>";
4525
4526                         } else {
4527
4528                                 $entry .= "<object type=\"application/x-shockwave-flash\"
4529                                         data=\"extras/button/musicplayer.swf?song_url=$url\"
4530                                         width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
4531                                         <param name=\"movie\"
4532                                                 value=\"extras/button/musicplayer.swf?song_url=$url\" />
4533                                         </object>";
4534                         }
4535                 }
4536
4537                 $filename = substr($url, strrpos($url, "/")+1);
4538
4539                 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4540                         $filename . " (" . $ctype . ")" . "</a>";
4541
4542                 return $entry;
4543         }
4544
4545         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4546                 $zoom_mode = false) {
4547
4548                 /* we can figure out feed_id from article id anyway, why do we
4549                  * pass feed_id here? let's ignore the argument :( */
4550
4551                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4552                         WHERE ref_id = '$id'");
4553
4554                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4555
4556                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4557
4558                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4559                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4560
4561                 if (db_num_rows($result) == 1) {
4562                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4563                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4564                 } else {
4565                         $rtl_content = false;
4566                         $always_display_enclosures = false;
4567                 }
4568
4569                 if ($rtl_content) {
4570                         $rtl_tag = "dir=\"RTL\"";
4571                         $rtl_class = "RTL";
4572                 } else {
4573                         $rtl_tag = "";
4574                         $rtl_class = "";
4575                 }
4576
4577                 if ($mark_as_read) {
4578                         $result = db_query($link, "UPDATE ttrss_user_entries
4579                                 SET unread = false,last_read = NOW()
4580                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4581
4582                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4583                 }
4584
4585                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4586                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4587                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4588                         (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
4589                         num_comments,
4590                         author,
4591                         orig_feed_id,
4592                         note
4593                         FROM ttrss_entries,ttrss_user_entries
4594                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4595
4596                 if ($result) {
4597
4598                         $line = db_fetch_assoc($result);
4599
4600                         if ($line["icon_url"]) {
4601                                 $feed_icon = "<img src=\"" . $line["icon_url"] . "\">";
4602                         } else {
4603                                 $feed_icon = "&nbsp;";
4604                         }
4605
4606                         $feed_site_url = $line['site_url'];
4607
4608                         $num_comments = $line["num_comments"];
4609                         $entry_comments = "";
4610
4611                         if ($num_comments > 0) {
4612                                 if ($line["comments"]) {
4613                                         $comments_url = $line["comments"];
4614                                 } else {
4615                                         $comments_url = $line["link"];
4616                                 }
4617                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
4618                         } else {
4619                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4620                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
4621                                 }
4622                         }
4623
4624                         if ($zoom_mode) {
4625                                 header("Content-Type: text/html");
4626                                 print "<html><head>
4627                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4628                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4629                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4630                                         </head><body>";
4631                         }
4632
4633                         print "<div id=\"PTITLE-$id\" style=\"display : none\">" .
4634                                 truncate_string(strip_tags($line['title']), 15) . "</div>";
4635
4636                         print "<div class=\"postReply\" id=\"POST-$id\">";
4637
4638                         /* print "<div dojoType=\"dijit.Menu\" style=\"display: none;\"
4639                                 targetNodeIds=\"POSTHDR-$id\">";
4640                         print "<div onclick=\"postOpenInNewTab(event, $id)\"
4641                                 dojoType=\"dijit.MenuItem\">".__('View in a new tab')."</div>";
4642                         print "<div dojoType=\"dijit.MenuSeparator\"></div>";
4643                         print "<div onclick=\"openArticleInNewWindow($id)\"
4644                                 dojoType=\"dijit.MenuItem\">".__('Open original article')."</div>";
4645                         print "</div>"; */
4646
4647                         print "<div onclick=\"return postClicked(event, $id)\"
4648                                 class=\"postHeader\" id=\"POSTHDR-$id\">";
4649
4650                         $entry_author = $line["author"];
4651
4652                         if ($entry_author) {
4653                                 $entry_author = __(" - ") . $entry_author;
4654                         }
4655
4656                         $parsed_updated = make_local_datetime($link, $line["updated"], true,
4657                                 false, true);
4658
4659                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4660
4661                         if ($line["link"]) {
4662                                 print "<div clear='both'><a target='_blank'
4663                                         title=\"".htmlspecialchars($line['title'])."\"
4664                                         href=\"" .
4665                                         $line["link"] . "\">" .
4666                                         truncate_string($line["title"], 100) .
4667                                         "<span class='author'>$entry_author</span></a></div>";
4668                         } else {
4669                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4670                         }
4671
4672                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4673
4674                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4675
4676                         print "<div style='float : right'>
4677                                 <img src='".theme_image($link, 'images/tag.png')."'
4678                                 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4679
4680                         if (!$zoom_mode) {
4681                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4682                                         <a title=\"".__('Edit tags for this article')."\"
4683                                         href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
4684
4685                                 print "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
4686                                                 class='tagsPic' style=\"cursor : pointer\"
4687                                                 onclick=\"postOpenInNewTab(event, $id)\"
4688                                                 alt='Zoom' title='".__('Open article in new tab')."'>";
4689
4690                                 //$note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4691
4692                                 print "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\"
4693                                                 class='tagsPic' style=\"cursor : pointer\"
4694                                                 onclick=\"editArticleNote($id)\"
4695                                                 alt='PubNote' title='".__('Edit article note')."'>";
4696
4697                                 if (DIGEST_ENABLE) {
4698                                         print "<img src=\"".theme_image($link, 'images/art-email.png')."\"
4699                                                 class='tagsPic' style=\"cursor : pointer\"
4700                                                 onclick=\"emailArticle($id)\"
4701                                                 alt='Zoom' title='".__('Forward by email')."'>";
4702                                 }
4703
4704                                 if (ENABLE_TWEET_BUTTON) {
4705                                         print "<img src=\"".theme_image($link, 'images/art-tweet.png')."\"
4706                                                         class='tagsPic' style=\"cursor : pointer\"
4707                                                         onclick=\"tweetArticle($id)\"
4708                                                         alt='Zoom' title='".__('Share on Twitter')."'>";
4709                                 }
4710
4711                                 print "<img src=\"".theme_image($link, 'images/digest_checkbox.png')."\"
4712                                                 class='tagsPic' style=\"cursor : pointer\"
4713                                                 onclick=\"closeArticlePanel($id)\"
4714                                                 alt='Zoom' title='".__('Close this panel')."'>";
4715
4716                         } else {
4717                                 $tags_str = strip_tags($tags_str);
4718                                 print "<span id=\"ATSTR-$id\">$tags_str</span>";
4719                         }
4720                         print "</div>";
4721                         print "<div clear='both'>$entry_comments</div>";
4722
4723                         if ($line["orig_feed_id"]) {
4724
4725                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
4726                                         WHERE id = ".$line["orig_feed_id"]);
4727
4728                                 if (db_num_rows($tmp_result) != 0) {
4729
4730                                         print "<div clear='both'>";
4731                                         print __("Originally from:");
4732
4733                                         print "&nbsp;";
4734
4735                                         $tmp_line = db_fetch_assoc($tmp_result);
4736
4737                                         print "<a target='_blank'
4738                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
4739                                                 $tmp_line['title'] . "</a>";
4740
4741                                         print "&nbsp;";
4742
4743                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
4744                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
4745
4746                                         print "</div>";
4747                                 }
4748                         }
4749
4750                         print "</div>";
4751
4752                         print "<div class=\"postIcon\">" .
4753                                 "<a target=\"_blank\" title=\"".__("Visit the website")."\"$
4754                                 href=\"".htmlspecialchars($feed_site_url)."\">".
4755                                 $feed_icon . "</a></div>";
4756
4757                         print "<div id=\"POSTNOTE-$id\">";
4758                                 if ($line['note']) {
4759                                         print format_article_note($id, $line['note']);
4760                                 }
4761                         print "</div>";
4762
4763                         print "<div class=\"postContent\">";
4764
4765                         $article_content = sanitize_rss($link, $line["content"], false, false,
4766                                 $feed_site_url);
4767
4768                         print $article_content;
4769
4770                         print_article_enclosures($link, $id, $always_display_enclosures,
4771                                 $article_content);
4772
4773                         print "</div>";
4774
4775                         print "</div>";
4776
4777                 }
4778
4779                 if (!$zoom_mode) {
4780                         print "]]></article>";
4781                 } else {
4782                         print "
4783                                 <div style=\"text-align : center\">
4784                                 <button onclick=\"return window.close()\">".
4785                                         __("Close this window")."</button></div>";
4786                         print "</body></html>";
4787
4788                 }
4789
4790         }
4791
4792         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4793                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4794                                         $override_order = false) {
4795
4796                 $disable_cache = false;
4797
4798                 $timing_info = getmicrotime();
4799
4800                 $topmost_article_ids = array();
4801
4802                 if (!$offset) {
4803                         $offset = 0;
4804                 }
4805
4806                 if ($subop == "undefined") $subop = "";
4807
4808                 $subop_split = split(":", $subop);
4809
4810                 if ($subop == "CatchupSelected") {
4811                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
4812                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
4813
4814                         catchupArticlesById($link, $ids, $cmode);
4815                 }
4816
4817                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4818                         update_rss_feed($link, $feed, true);
4819                 }
4820
4821                 if ($subop == "MarkAllRead")  {
4822                         catchup_feed($link, $feed, $cat_view);
4823
4824                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4825                                 if ($next_unread_feed) {
4826                                         $feed = $next_unread_feed;
4827                                 }
4828                         }
4829                 }
4830
4831                 if ($subop_split[0] == "MarkAllReadGR")  {
4832                         catchup_feed($link, $subop_split[1], false);
4833                 }
4834
4835                 // FIXME: might break tag display?
4836
4837                 if ($feed > 0 && !$cat_view) {
4838                         $result = db_query($link,
4839                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4840
4841                         if (db_num_rows($result) == 0) {
4842                                 print "<div align='center'>".__('Feed not found.')."</div>";
4843                                 return;
4844                         }
4845                 }
4846
4847                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4848
4849                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4850                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4851
4852                         if (db_num_rows($result) == 1) {
4853                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4854                         } else {
4855                                 $rtl_content = false;
4856                         }
4857
4858                         if ($rtl_content) {
4859                                 $rtl_tag = "dir=\"RTL\"";
4860                         } else {
4861                                 $rtl_tag = "";
4862                         }
4863                 } else {
4864                         $rtl_tag = "";
4865                         $rtl_content = false;
4866                 }
4867
4868                 /// START /////////////////////////////////////////////////////////////////////////////////
4869
4870                 @$search = db_escape_string($_REQUEST["query"]);
4871
4872                 if ($search) {
4873                         $disable_cache = true;
4874                 }
4875
4876                 @$search_mode = db_escape_string($_REQUEST["search_mode"]);
4877                 @$match_on = db_escape_string($_REQUEST["match_on"]);
4878
4879                 if (!$match_on) {
4880                         $match_on = "both";
4881                 }
4882
4883                 $real_offset = $offset * $limit;
4884
4885                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4886
4887                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4888                         $search, $search_mode, $match_on, $override_order, $real_offset);
4889
4890                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4891
4892                 $result = $qfh_ret[0];
4893                 $feed_title = $qfh_ret[1];
4894                 $feed_site_url = $qfh_ret[2];
4895                 $last_error = $qfh_ret[3];
4896
4897                 $vgroup_last_feed = $vgr_last_feed;
4898
4899 /*              if ($feed == -2) {
4900                         $feed_site_url = article_publish_url($link);
4901                 } */
4902
4903                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4904
4905                 print "<toolbar><![CDATA[";
4906
4907                 if (!$offset) {
4908 //                      print "<div id=\"headlinesContainer\" $rtl_tag>";
4909
4910                         if (!$result) {
4911                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4912                                 return;
4913                         }
4914
4915                         if (db_num_rows($result) > 0) {
4916                                 print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4917                                         $feed, $cat_view, $search, $match_on, $search_mode, $view_mode,
4918                                         $last_error);
4919
4920 //                              print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4921
4922                         }
4923                 }
4924
4925                 print "]]></toolbar><content><![CDATA[";
4926
4927                 $headlines_count = db_num_rows($result);
4928
4929                 if (db_num_rows($result) > 0) {
4930
4931                         $lnum = $limit*$offset;
4932
4933                         $num_unread = 0;
4934                         $cur_feed_title = '';
4935
4936                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
4937
4938                         while ($line = db_fetch_assoc($result)) {
4939
4940                                 $class = ($lnum % 2) ? "even" : "odd";
4941
4942                                 $id = $line["id"];
4943                                 $feed_id = $line["feed_id"];
4944
4945                                 $labels = get_article_labels($link, $id);
4946
4947                                 $labels_str = "<span id=\"HLLCTR-$id\">";
4948                                 $labels_str .= format_article_labels($labels, $id);
4949                                 $labels_str .= "</span>";
4950
4951                                 if (count($topmost_article_ids) < 3) {
4952                                         array_push($topmost_article_ids, $id);
4953                                 }
4954
4955                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
4956
4957                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
4958                                                 theme_image($link, 'images/updated.png')."\"
4959                                                 alt=\"Updated\">";
4960                                 } else {
4961                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
4962                                                 alt=\"Updated\">";
4963                                 }
4964
4965                                 if (sql_bool_to_bool($line["unread"]) &&
4966                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
4967
4968                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
4969                                                 theme_image($link, 'images/fresh_sign.png')."\" alt=\"Fresh\">";
4970                                 }
4971
4972                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
4973                                         $class .= " Unread";
4974                                         ++$num_unread;
4975                                         $is_unread = true;
4976                                 } else {
4977                                         $is_unread = false;
4978                                 }
4979
4980                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
4981                                         $marked_pic = "<img id=\"FMPIC-$id\"
4982                                                 src=\"".theme_image($link, 'images/mark_set.png')."\"
4983                                                 class=\"markedPic\" alt=\"Unstar article\"
4984                                                 onclick='javascript:tMark($id)'>";
4985                                 } else {
4986                                         $marked_pic = "<img id=\"FMPIC-$id\"
4987                                                 src=\"".theme_image($link, 'images/mark_unset.png')."\"
4988                                                 class=\"markedPic\" alt=\"Star article\"
4989                                                 onclick='javascript:tMark($id)'>";
4990                                 }
4991
4992                                 if ($line["published"] == "t" || $line["published"] == "1") {
4993                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
4994                                                 'images/pub_set.png')."\"
4995                                                 class=\"markedPic\"
4996                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
4997                                 } else {
4998                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
4999                                                 'images/pub_unset.png')."\"
5000                                                 class=\"markedPic\"
5001                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
5002                                 }
5003
5004 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
5005 #                                       $line["title"] . "</a>";
5006
5007 #                               $content_link = "<a
5008 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
5009 #                                       onclick=\"view($id,$feed_id);\">" .
5010 #                                       $line["title"] . "</a>";
5011
5012 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
5013 #                                       $line["title"] . "</a>";
5014
5015                                 $updated_fmt = make_local_datetime($link, $line["updated_noms"], false);
5016
5017                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5018                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
5019                                                 100);
5020                                 }
5021
5022                                 $score = $line["score"];
5023
5024                                 $score_pic = theme_image($link,
5025                                         "images/" . get_score_pic($score));
5026
5027 /*                              $score_title = __("(Click to change)");
5028                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5029                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
5030
5031                                 $score_pic = "<img class='hlScorePic' src=\"$score_pic\"
5032                                         title=\"$score\">";
5033
5034                                 if ($score > 500) {
5035                                         $hlc_suffix = "H";
5036                                 } else if ($score < -100) {
5037                                         $hlc_suffix = "L";
5038                                 } else {
5039                                         $hlc_suffix = "";
5040                                 }
5041
5042                                 $entry_author = $line["author"];
5043
5044                                 if ($entry_author) {
5045                                         $entry_author = " - $entry_author";
5046                                 }
5047
5048                                 $has_feed_icon = feed_has_icon($feed_id);
5049
5050                                 if ($has_feed_icon) {
5051                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5052                                 } else {
5053                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/feed-icon-12x12.png\" alt=\"\">";
5054                                 }
5055
5056                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5057
5058                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5059                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5060
5061                                                         $cur_feed_title = $line["feed_title"];
5062                                                         $vgroup_last_feed = $feed_id;
5063
5064                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5065
5066                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5067
5068                                                         print "<div class='cdmFeedTitle'>".
5069                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5070                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5071                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5072
5073                                                 }
5074                                         }
5075
5076                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5077                                                 onmouseout='postMouseOut($id)'";
5078
5079                                         print "<div class='$class' id='RROW-$id' $mouseover_attrs>";
5080
5081                                         print "<div class='hlUpdPic'>$update_pic</div>";
5082
5083                                         print "<div class='hlLeft'>";
5084
5085                                         print "<input type=\"checkbox\" onclick=\"tSR(this)\"
5086                                                         id=\"RCHK-$id\">";
5087
5088                                         print "$marked_pic";
5089                                         print "$published_pic";
5090
5091                                         print "</div>";
5092
5093                                         print "<div onclick='return hlClicked(event, $id)'
5094                                                 class=\"hlTitle\"><span class='hlContent$hlc_suffix'>";
5095                                         print "<a id=\"RTITLE-$id\"
5096                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5097                                                 onclick=\"return false;\">" .
5098                                                 $line["title"];
5099
5100                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5101                                                 if ($content_preview) {
5102                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5103                                                 }
5104                                         }
5105
5106                                         print "</a></span>";
5107
5108                                         print $labels_str;
5109
5110                                         /* if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5111                                                 if (@$line["feed_title"]) {
5112                                                         print "<span class=\"hlFeed\">
5113                                                                 (<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5114                                                                 $line["feed_title"]."</a>)
5115                                                         </span>";
5116                                                 }
5117                                         } */
5118
5119                                         print "</div>";
5120
5121
5122
5123                                         print "<div class=\"hlRight\">";
5124                                         print "<span class=\"hlUpdated\">$updated_fmt</span>";
5125                                         print $score_pic;
5126
5127                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5128
5129                                                 print "<span onclick=\"viewfeed($feed_id)\"
5130                                                         title=\"".htmlspecialchars($line['feed_title'])."\">
5131                                                         $feed_icon_img<span>";
5132                                         }
5133
5134                                         print "</div>";
5135                                         print "</div>";
5136
5137                                 } else {
5138
5139                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5140                                                 if ($feed_id != $vgroup_last_feed) {
5141
5142                                                         $cur_feed_title = $line["feed_title"];
5143                                                         $vgroup_last_feed = $feed_id;
5144
5145                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5146
5147                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5148
5149                                                         $has_feed_icon = feed_has_icon($feed_id);
5150
5151                                                         if ($has_feed_icon) {
5152                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5153                                                         } else {
5154                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5155                                                         }
5156
5157                                                         print "<div class='cdmFeedTitle'>".
5158                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5159                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5160                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5161                                                 }
5162                                         }
5163
5164                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5165
5166                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5167                                                 onmouseout='postMouseOut($id)'";
5168
5169                                         print "<div class=\"$class\"
5170                                                 id=\"RROW-$id\" $mouseover_attrs'>";
5171
5172                                         print "<div class=\"cdmHeader\">";
5173
5174                                         print "<div style='float : right'>";
5175                                         print "<span class='updated'>$updated_fmt</span>";
5176                                         print "$score_pic";
5177
5178                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") && $line["feed_title"]) {
5179                                                 print "<span style=\"cursor : pointer\"
5180                                                         title=\"".htmlspecialchars($line["feed_title"])."\"
5181                                                         onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5182                                         }
5183                                         print "<div class=\"updPic\">$update_pic</div>";
5184
5185                                         print "</div>";
5186
5187                                         print "<input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5188                                                         'RROW-$id')\" id=\"RCHK-$id\"/>";
5189
5190                                         print "$marked_pic";
5191                                         print "$published_pic";
5192
5193                                         print "<span id=\"RTITLE-$id\"
5194                                                 onclick=\"return cdmClicked(event, $id);\"
5195                                                 class=\"titleWrap$hlc_suffix\">
5196                                                 <a class=\"title\"
5197                                                 title=\"".htmlspecialchars($line['title'])."\"
5198                                                 target=\"_blank\" href=\"".
5199                                                 htmlspecialchars($line["link"])."\">".
5200                                                 truncate_string($line["title"], 100) .
5201                                                 " $entry_author</a>";
5202
5203                                         print $labels_str;
5204
5205                                         if (!$expand_cdm)
5206                                                 $content_hidden = "style=\"display : none\"";
5207                                         else
5208                                                 $excerpt_hidden = "style=\"display : none\"";
5209
5210                                         print "<span $excerpt_hidden
5211                                                 id=\"CEXC-$id\" class=\"cdmExcerpt\"> - $content_preview</span>";
5212
5213                                         print "</span>";
5214
5215                                         print "</div>";
5216
5217                                         print "<div class=\"cdmContent\" $content_hidden
5218                                                 onclick=\"return cdmClicked(event, $id);\"
5219                                                 id=\"CICD-$id\">";
5220
5221                                         print "<div class=\"cdmContentInner\">";
5222
5223                         if ($line["orig_feed_id"]) {
5224
5225                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
5226                                         WHERE id = ".$line["orig_feed_id"]);
5227
5228                                                 if (db_num_rows($tmp_result) != 0) {
5229
5230                                                         print "<div clear='both'>";
5231                                                         print __("Originally from:");
5232
5233                                                         print "&nbsp;";
5234
5235                                                         $tmp_line = db_fetch_assoc($tmp_result);
5236
5237                                                         print "<a target='_blank'
5238                                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
5239                                                                 $tmp_line['title'] . "</a>";
5240
5241                                                         print "&nbsp;";
5242
5243                                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
5244                                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
5245
5246                                                         print "</div>";
5247                                                 }
5248                                         }
5249
5250                                         // FIXME: make this less of a hack
5251
5252                                         $feed_site_url = false;
5253
5254                                         if ($line["feed_id"]) {
5255                                                 $tmp_result = db_query($link, "SELECT site_url FROM ttrss_feeds
5256                                                         WHERE id = " . $line["feed_id"]);
5257
5258                                                 if (db_num_rows($tmp_result) == 1) {
5259                                                         $feed_site_url = db_fetch_result($tmp_result, 0, "site_url");
5260                                                 }
5261                                         }
5262
5263                                         if ($expand_cdm) {
5264                                                 $article_content = sanitize_rss($link, $line["content_preview"],
5265                                                         false, false, $feed_site_url);
5266
5267                                                 if (!$article_content) $article_content = "&nbsp;";
5268                                         } else {
5269                                                 $article_content = '';
5270                                         }
5271
5272                                         print "<div id=\"POSTNOTE-$id\">";
5273                                         if ($line['note']) {
5274                                                 print format_article_note($id, $line['note']);
5275                                         }
5276                                         print "</div>";
5277
5278                                         print "<span id=\"CWRAP-$id\">$article_content</span>";
5279
5280                                         $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5281                                                 ttrss_feeds WHERE id = ".
5282                                                 (($line['feed_id'] == null) ? $line['orig_feed_id'] :
5283                                                                 $line['feed_id'])." AND owner_uid = ".$_SESSION["uid"]);
5284
5285                                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($tmp_result,
5286                                                 0, "always_display_enclosures"));
5287
5288                                         print_article_enclosures($link, $id, $always_display_enclosures,
5289                                                 $article_content);
5290
5291                                         print "</div>";
5292
5293                                         print "<div class=\"cdmFooter\">";
5294
5295                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5296
5297                                         print "<img src='".theme_image($link,
5298                                                         'images/tag.png')."' alt='Tags' title='Tags'>
5299                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5300                                                 <a title=\"".__('Edit tags for this article')."\"
5301                                                 href=\"#\" onclick=\"editArticleTags($id, $feed_id, true)\">(+)</a>";
5302
5303                                         print "<div style=\"float : right\">";
5304
5305                                         print "<img src=\"images/art-zoom.png\"
5306                                                 onclick=\"zoomToArticle(event, $id)\"
5307                                                 style=\"cursor : pointer\"
5308                                                 alt='Zoom'
5309                                                 title='".__('Open article in new tab')."'>";
5310
5311                                         //$note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5312
5313                                         print "<img src=\"images/art-pub-note.png\"
5314                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5315                                                 onclick=\"editArticleNote($id)\"
5316                                                 alt='PubNote' title='".__('Edit article note')."'>";
5317
5318                                         if (DIGEST_ENABLE) {
5319                                                 print "<img src=\"".theme_image($link, 'images/art-email.png')."\"
5320                                                         style=\"cursor : pointer\"
5321                                                         onclick=\"emailArticle($id)\"
5322                                                         alt='Zoom' title='".__('Forward by email')."'>";
5323                                         }
5324
5325                                         if (ENABLE_TWEET_BUTTON) {
5326                                                 print "<img src=\"".theme_image($link, 'images/art-tweet.png')."\"
5327                                                         class='tagsPic' style=\"cursor : pointer\"
5328                                                         onclick=\"tweetArticle($id)\"
5329                                                         alt='Zoom' title='".__('Share on Twitter')."'>";
5330                                         }
5331
5332                                         print "<img src=\"images/digest_checkbox.png\"
5333                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5334                                                 onclick=\"dismissArticle($id)\"
5335                                                 alt='Dismiss' title='".__('Dismiss article')."'>";
5336
5337                                         print "</div>";
5338                                         print "</div>";
5339
5340                                         print "</div>";
5341
5342                                         print "</div>";
5343
5344                                 }
5345
5346                                 ++$lnum;
5347                         }
5348
5349                 } else {
5350                         $message = "";
5351
5352                         switch ($view_mode) {
5353                                 case "unread":
5354                                         $message = __("No unread articles found to display.");
5355                                         break;
5356                                 case "updated":
5357                                         $message = __("No updated articles found to display.");
5358                                         break;
5359                                 case "marked":
5360                                         $message = __("No starred articles found to display.");
5361                                         break;
5362                                 default:
5363                                         if ($feed < -10) {
5364                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5365                                         } else {
5366                                                 $message = __("No articles found to display.");
5367                                         }
5368                         }
5369
5370                         if (!$offset && $message) {
5371                                 print "<div class='whiteBox'>$message";
5372
5373                                 print "<p class=\"small\"><span class=\"insensitive\">";
5374
5375                                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
5376                                         WHERE owner_uid = " . $_SESSION['uid']);
5377
5378                                 $last_updated = db_fetch_result($result, 0, "last_updated");
5379                                 $last_updated = make_local_datetime($link, $last_updated, false);
5380
5381                                 printf(__("Feeds last updated at %s"), $last_updated);
5382
5383                                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
5384                                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
5385
5386                                 $num_errors = db_fetch_result($result, 0, "num_errors");
5387
5388                                 if ($num_errors > 0) {
5389                                         print "<br/>";
5390                                         print "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
5391                                                 __('Some feeds have update errors (click for details)')."</a>";
5392                                 }
5393                                 print "</span></p></div>";
5394                         }
5395                 }
5396
5397 #               if (!$offset) {
5398 #                       if ($headlines_count > 0) print "</div>";
5399 #                       print "</div>";
5400 #               }
5401
5402                 print "]]></content>";
5403
5404                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5405         }
5406
5407 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5408
5409         function printTagCloud($link) {
5410
5411                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5412                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5413                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5414
5415                 $result = db_query($link, $query);
5416
5417                 $tags = array();
5418
5419                 while ($line = db_fetch_assoc($result)) {
5420                         $tags[$line["tag_name"]] = $line["count"];
5421                 }
5422
5423                 ksort($tags);
5424
5425                 $max_size = 32; // max font size in pixels
5426                 $min_size = 11; // min font size in pixels
5427
5428                 // largest and smallest array values
5429                 $max_qty = max(array_values($tags));
5430                 $min_qty = min(array_values($tags));
5431
5432                 // find the range of values
5433                 $spread = $max_qty - $min_qty;
5434                 if ($spread == 0) { // we don't want to divide by zero
5435                                 $spread = 1;
5436                 }
5437
5438                 // set the font-size increment
5439                 $step = ($max_size - $min_size) / ($spread);
5440
5441                 // loop through the tag array
5442                 foreach ($tags as $key => $value) {
5443                         // calculate font-size
5444                         // find the $value in excess of $min_qty
5445                         // multiply by the font-size increment ($size)
5446                         // and add the $min_size set above
5447                         $size = round($min_size + (($value - $min_qty) * $step));
5448
5449                         $key_escaped = str_replace("'", "\\'", $key);
5450
5451                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5452                                 $size . "px\" title=\"$value articles tagged with " .
5453                                 $key . '">' . $key . '</a> ';
5454                 }
5455         }
5456
5457         function print_checkpoint($n, $s) {
5458                 $ts = getmicrotime();
5459                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5460                 return $ts;
5461         }
5462
5463         function sanitize_tag($tag) {
5464                 $tag = trim($tag);
5465
5466                 $tag = mb_strtolower($tag, 'utf-8');
5467
5468                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5469
5470 //              $tag = str_replace('"', "", $tag);
5471 //              $tag = str_replace("+", " ", $tag);
5472                 $tag = str_replace("technorati tag: ", "", $tag);
5473
5474                 return $tag;
5475         }
5476
5477         function get_self_url_prefix() {
5478
5479                 $url_path = "";
5480
5481                 if ($_SERVER['HTTPS'] != "on") {
5482                         $url_path = "http://";
5483                 } else {
5484                         $url_path = "https://";
5485                 }
5486
5487                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5488
5489                 return $url_path;
5490
5491         }
5492         function opml_publish_url($link){
5493
5494                 $url_path = get_self_url_prefix();
5495                 $url_path .= "/opml.php?op=publish&key=" .
5496                         get_feed_access_key($link, 'OPML:Publish', false, $_SESSION["uid"]);
5497
5498                 return $url_path;
5499         }
5500
5501         /**
5502          * Purge a feed contents, marked articles excepted.
5503          *
5504          * @param mixed $link The database connection.
5505          * @param integer $id The id of the feed to purge.
5506          * @return void
5507          */
5508         function clear_feed_articles($link, $id) {
5509
5510                 if ($id != 0) {
5511                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5512                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5513                 } else {
5514                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5515                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5516                 }
5517
5518                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5519                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5520
5521                 ccache_update($link, $id, $_SESSION['uid']);
5522         } // function clear_feed_articles
5523
5524         /**
5525          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5526          *
5527          * @return string The Mozilla Firefox feed adding URL.
5528          */
5529         function add_feed_url() {
5530                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5531                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5532                 return $url_path;
5533         } // function add_feed_url
5534
5535         /**
5536          * Encrypt a password in SHA1.
5537          *
5538          * @param string $pass The password to encrypt.
5539          * @param string $login A optionnal login.
5540          * @return string The encrypted password.
5541          */
5542         function encrypt_password($pass, $login = '') {
5543                 if ($login) {
5544                         return "SHA1X:" . sha1("$login:$pass");
5545                 } else {
5546                         return "SHA1:" . sha1($pass);
5547                 }
5548         } // function encrypt_password
5549
5550         /**
5551          * Update a feed batch.
5552          * Used by daemons to update n feeds by run.
5553          * Only update feed needing a update, and not being processed
5554          * by another process.
5555          *
5556          * @param mixed $link Database link
5557          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5558          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5559          * @param boolean $debug Set to false to disable debug output. Default to true.
5560          * @return void
5561          */
5562         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5563                 // Process all other feeds using last_updated and interval parameters
5564
5565                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5566                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5567                         if (DB_TYPE == "pgsql") {
5568                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5569                         } else {
5570                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5571                         }
5572                 } else {
5573                         $login_thresh_qpart = "";
5574                 }
5575
5576                 // Test if the feed need a update (update interval exceded).
5577                 if (DB_TYPE == "pgsql") {
5578                         $update_limit_qpart = "AND ((
5579                                         ttrss_feeds.update_interval = 0
5580                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5581                                 ) OR (
5582                                         ttrss_feeds.update_interval > 0
5583                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5584                                 ) OR ttrss_feeds.last_updated IS NULL)";
5585                 } else {
5586                         $update_limit_qpart = "AND ((
5587                                         ttrss_feeds.update_interval = 0
5588                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5589                                 ) OR (
5590                                         ttrss_feeds.update_interval > 0
5591                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5592                                 ) OR ttrss_feeds.last_updated IS NULL)";
5593                 }
5594
5595                 // Test if feed is currently being updated by another process.
5596                 if (DB_TYPE == "pgsql") {
5597                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5598                 } else {
5599                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5600                 }
5601
5602                 // Test if there is a limit to number of updated feeds
5603                 $query_limit = "";
5604                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5605
5606                 $random_qpart = sql_random_function();
5607
5608                 // We search for feed needing update.
5609                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5610                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5611                                 ttrss_feeds.update_interval
5612                         FROM
5613                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5614                         WHERE
5615                                 ttrss_feeds.owner_uid = ttrss_users.id
5616                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5617                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5618                                 $login_thresh_qpart $update_limit_qpart
5619                          $updstart_thresh_qpart
5620                         ORDER BY $random_qpart $query_limit");
5621
5622                 $user_prefs_cache = array();
5623
5624                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5625
5626                 // Here is a little cache magic in order to minimize risk of double feed updates.
5627                 $feeds_to_update = array();
5628                 while ($line = db_fetch_assoc($result)) {
5629                         $feeds_to_update[$line['id']] = $line;
5630                 }
5631
5632                 // We update the feed last update started date before anything else.
5633                 // There is no lag due to feed contents downloads
5634                 // It prevent an other process to update the same feed.
5635                 $feed_ids = array_keys($feeds_to_update);
5636                 if($feed_ids) {
5637                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5638                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5639                 }
5640
5641                 // For each feed, we call the feed update function.
5642                 while ($line = array_pop($feeds_to_update)) {
5643
5644                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5645
5646                         update_rss_feed($link, $line["id"], true);
5647
5648                         sleep(1); // prevent flood (FIXME make this an option?)
5649                 }
5650
5651                 // Send feed digests by email if needed.
5652                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5653
5654         } // function update_daemon_common
5655
5656         function sanitize_article_content($text) {
5657                 # we don't support CDATA sections in articles, they break our own escaping
5658                 $text = preg_replace("/\[\[CDATA/", "", $text);
5659                 $text = preg_replace("/\]\]\>/", "", $text);
5660                 return $text;
5661         }
5662
5663         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5664                 $filters = array();
5665
5666                 global $memcache;
5667
5668                 $obj_id = md5("FILTER:$feed:$owner_uid:$action_id");
5669
5670                 if ($memcache && $obj = $memcache->get($obj_id)) {
5671
5672                         return $obj;
5673
5674                 } else {
5675
5676                         if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5677
5678                         $result = db_query($link, "SELECT reg_exp,
5679                                 ttrss_filter_types.name AS name,
5680                                 ttrss_filter_actions.name AS action,
5681                                 inverse,
5682                                 action_param,
5683                                 filter_param
5684                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5685                                         enabled = true AND
5686                                         $ftype_query_part
5687                                         owner_uid = $owner_uid AND
5688                                         ttrss_filter_types.id = filter_type AND
5689                                         ttrss_filter_actions.id = action_id AND
5690                                         (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5691
5692                         while ($line = db_fetch_assoc($result)) {
5693                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5694                                         $filter["reg_exp"] = $line["reg_exp"];
5695                                         $filter["action"] = $line["action"];
5696                                         $filter["action_param"] = $line["action_param"];
5697                                         $filter["filter_param"] = $line["filter_param"];
5698                                         $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5699
5700                                         array_push($filters[$line["name"]], $filter);
5701                                 }
5702
5703                         if ($memcache) $memcache->add($obj_id, $filters, 0, 3600*8);
5704
5705                         return $filters;
5706                 }
5707         }
5708
5709         function get_score_pic($score) {
5710                 if ($score > 100) {
5711                         return "score_high.png";
5712                 } else if ($score > 0) {
5713                         return "score_half_high.png";
5714                 } else if ($score < -100) {
5715                         return "score_low.png";
5716                 } else if ($score < 0) {
5717                         return "score_half_low.png";
5718                 } else {
5719                         return "score_neutral.png";
5720                 }
5721         }
5722
5723         function rounded_table_start($classname, $header = "&nbsp;") {
5724                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5725                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5726                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5727         }
5728
5729         function rounded_table_end($footer = "&nbsp;") {
5730                 print "</td><td class='right'>&nbsp;</td></tr>";
5731                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5732                 print "</table>";
5733         }
5734
5735         function feed_has_icon($id) {
5736                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5737         }
5738
5739         function init_connection($link) {
5740                 if (DB_TYPE == "pgsql") {
5741                         pg_query($link, "set client_encoding = 'UTF-8'");
5742                         pg_set_client_encoding("UNICODE");
5743                         pg_query($link, "set datestyle = 'ISO, european'");
5744                         pg_query($link, "set TIME ZONE 0");
5745                 } else {
5746                         db_query($link, "SET time_zone = '+0:0'");
5747
5748                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5749                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5750         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5751                         }
5752                 }
5753         }
5754
5755         function update_feedbrowser_cache($link) {
5756
5757                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
5758                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5759                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5760                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
5761                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
5762
5763                 db_query($link, "BEGIN");
5764
5765                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5766
5767                 $count = 0;
5768
5769                 while ($line = db_fetch_assoc($result)) {
5770                         $subscribers = db_escape_string($line["subscribers"]);
5771                         $feed_url = db_escape_string($line["feed_url"]);
5772                         $title = db_escape_string($line["title"]);
5773
5774                         $tmp_result = db_query($link, "SELECT subscribers FROM
5775                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
5776
5777                         if (db_num_rows($tmp_result) == 0) {
5778
5779                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5780                                         (feed_url, title, subscribers) VALUES ('$feed_url',
5781                                                 '$title', '$subscribers')");
5782
5783                                 ++$count;
5784
5785                         }
5786
5787                 }
5788
5789                 db_query($link, "COMMIT");
5790
5791                 return $count;
5792
5793         }
5794
5795         function ccache_zero($link, $feed_id, $owner_uid) {
5796                 db_query($link, "UPDATE ttrss_counters_cache SET
5797                         value = 0, updated = NOW() WHERE
5798                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5799         }
5800
5801         function ccache_zero_all($link, $owner_uid) {
5802                 db_query($link, "UPDATE ttrss_counters_cache SET
5803                         value = 0 WHERE owner_uid = '$owner_uid'");
5804
5805                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
5806                         value = 0 WHERE owner_uid = '$owner_uid'");
5807         }
5808
5809         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
5810
5811                 if (!$is_cat) {
5812                         $table = "ttrss_counters_cache";
5813                 } else {
5814                         $table = "ttrss_cat_counters_cache";
5815                 }
5816
5817                 db_query($link, "DELETE FROM $table WHERE
5818                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5819
5820         }
5821
5822         function ccache_update_all($link, $owner_uid) {
5823
5824                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
5825
5826                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
5827                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5828
5829                         while ($line = db_fetch_assoc($result)) {
5830                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
5831                         }
5832
5833                         /* We have to manually include category 0 */
5834
5835                         ccache_update($link, 0, $owner_uid, true);
5836
5837                 } else {
5838                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
5839                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5840
5841                         while ($line = db_fetch_assoc($result)) {
5842                                 print ccache_update($link, $line["feed_id"], $owner_uid);
5843
5844                         }
5845
5846                 }
5847         }
5848
5849         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
5850                 $no_update = false) {
5851
5852                 if (!is_numeric($feed_id)) return;
5853
5854                 if (!$is_cat) {
5855                         $table = "ttrss_counters_cache";
5856                         if ($feed_id > 0) {
5857                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5858                                         WHERE id = '$feed_id'");
5859                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5860                         }
5861                 } else {
5862                         $table = "ttrss_cat_counters_cache";
5863                 }
5864
5865                 if (DB_TYPE == "pgsql") {
5866                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
5867                 } else if (DB_TYPE == "mysql") {
5868                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
5869                 }
5870
5871                 $result = db_query($link, "SELECT value FROM $table
5872                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
5873                         LIMIT 1");
5874
5875                 if (db_num_rows($result) == 1) {
5876                         return db_fetch_result($result, 0, "value");
5877                 } else {
5878                         if ($no_update) {
5879                                 return -1;
5880                         } else {
5881                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
5882                         }
5883                 }
5884
5885         }
5886
5887         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
5888                 $update_pcat = true) {
5889
5890                 if (!is_numeric($feed_id)) return;
5891
5892                 if (!$is_cat && $feed_id > 0) {
5893                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5894                                 WHERE id = '$feed_id'");
5895                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5896                 }
5897
5898                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
5899
5900                 /* When updating a label, all we need to do is recalculate feed counters
5901                  * because labels are not cached */
5902
5903                 if ($feed_id < 0) {
5904                         ccache_update_all($link, $owner_uid);
5905                         return;
5906                 }
5907
5908                 if (!$is_cat) {
5909                         $table = "ttrss_counters_cache";
5910                 } else {
5911                         $table = "ttrss_cat_counters_cache";
5912                 }
5913
5914                 if ($is_cat && $feed_id >= 0) {
5915                         if ($feed_id != 0) {
5916                                 $cat_qpart = "cat_id = '$feed_id'";
5917                         } else {
5918                                 $cat_qpart = "cat_id IS NULL";
5919                         }
5920
5921                         /* Recalculate counters for child feeds */
5922
5923                         $result = db_query($link, "SELECT id FROM ttrss_feeds
5924                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
5925
5926                         while ($line = db_fetch_assoc($result)) {
5927                                 ccache_update($link, $line["id"], $owner_uid, false, false);
5928                         }
5929
5930                         $result = db_query($link, "SELECT SUM(value) AS sv
5931                                 FROM ttrss_counters_cache, ttrss_feeds
5932                                 WHERE id = feed_id AND $cat_qpart AND
5933                                 ttrss_feeds.owner_uid = '$owner_uid'");
5934
5935                         $unread = (int) db_fetch_result($result, 0, "sv");
5936
5937                 } else {
5938                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
5939                 }
5940
5941                 db_query($link, "BEGIN");
5942
5943                 $result = db_query($link, "SELECT feed_id FROM $table
5944                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
5945
5946                 if (db_num_rows($result) == 1) {
5947                         db_query($link, "UPDATE $table SET
5948                                 value = '$unread', updated = NOW() WHERE
5949                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5950
5951                 } else {
5952                         db_query($link, "INSERT INTO $table
5953                                 (feed_id, value, owner_uid, updated)
5954                                 VALUES
5955                                 ($feed_id, $unread, $owner_uid, NOW())");
5956                 }
5957
5958                 db_query($link, "COMMIT");
5959
5960                 if ($feed_id > 0 && $prev_unread != $unread) {
5961
5962                         if (!$is_cat) {
5963
5964                                 /* Update parent category */
5965
5966                                 if ($update_pcat) {
5967
5968                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
5969                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
5970
5971                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
5972
5973                                         ccache_update($link, $cat_id, $owner_uid, true);
5974
5975                                 }
5976                         }
5977                 } else if ($feed_id < 0) {
5978                         ccache_update_all($link, $owner_uid);
5979                 }
5980
5981                 return $unread;
5982         }
5983
5984         function label_find_id($link, $label, $owner_uid) {
5985                 $result = db_query($link,
5986                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
5987                                 AND owner_uid = '$owner_uid' LIMIT 1");
5988
5989                 if (db_num_rows($result) == 1) {
5990                         return db_fetch_result($result, 0, "id");
5991                 } else {
5992                         return 0;
5993                 }
5994         }
5995
5996         function get_article_labels($link, $id) {
5997                 global $memcache;
5998
5999                 $obj_id = md5("LABELS:$id:" . $_SESSION["uid"]);
6000
6001                 $rv = array();
6002
6003                 if ($memcache && $obj = $memcache->get($obj_id)) {
6004                         return $obj;
6005                 } else {
6006
6007                         $result = db_query($link, "SELECT label_cache FROM
6008                                 ttrss_user_entries WHERE ref_id = '$id' AND owner_uid = " .
6009                                 $_SESSION["uid"]);
6010
6011                         $label_cache = db_fetch_result($result, 0, "label_cache");
6012
6013                         if ($label_cache) {
6014
6015                                 $label_cache = json_decode($label_cache, true);
6016
6017                                 if ($label_cache["no-labels"] == 1)
6018                                         return $rv;
6019                                 else
6020                                         return $label_cache;
6021                         }
6022
6023                         $result = db_query($link,
6024                                 "SELECT DISTINCT label_id,caption,fg_color,bg_color
6025                                         FROM ttrss_labels2, ttrss_user_labels2
6026                                 WHERE id = label_id
6027                                         AND article_id = '$id'
6028                                         AND owner_uid = ".$_SESSION["uid"] . "
6029                                 ORDER BY caption");
6030
6031                         while ($line = db_fetch_assoc($result)) {
6032                                 $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
6033                                         $line["bg_color"]);
6034                                 array_push($rv, $rk);
6035                         }
6036                         if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6037
6038                         if (count($rv) > 0)
6039                                 label_update_cache($link, $id, $rv);
6040                         else
6041                                 label_update_cache($link, $id, array("no-labels" => 1));
6042                 }
6043
6044                 return $rv;
6045         }
6046
6047
6048         function label_find_caption($link, $label, $owner_uid) {
6049                 $result = db_query($link,
6050                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
6051                                 AND owner_uid = '$owner_uid' LIMIT 1");
6052
6053                 if (db_num_rows($result) == 1) {
6054                         return db_fetch_result($result, 0, "caption");
6055                 } else {
6056                         return "";
6057                 }
6058         }
6059
6060         function label_update_cache($link, $id, $labels = false, $force = false) {
6061
6062                 if ($force)
6063                         label_clear_cache($link, $id);
6064
6065                 if (!$labels)
6066                         $labels = get_article_labels($link, $id);
6067
6068                 $labels = db_escape_string(json_encode($labels));
6069
6070                 db_query($link, "UPDATE ttrss_user_entries SET
6071                         label_cache = '$labels' WHERE ref_id = '$id'");
6072
6073         }
6074
6075         function label_clear_cache($link, $id) {
6076
6077                 db_query($link, "UPDATE ttrss_user_entries SET
6078                         label_cache = '' WHERE ref_id = '$id'");
6079
6080         }
6081
6082         function label_remove_article($link, $id, $label, $owner_uid) {
6083
6084                 $label_id = label_find_id($link, $label, $owner_uid);
6085
6086                 if (!$label_id) return;
6087
6088                 $result = db_query($link,
6089                         "DELETE FROM ttrss_user_labels2
6090                         WHERE
6091                                 label_id = '$label_id' AND
6092                                 article_id = '$id'");
6093
6094                 label_clear_cache($link, $id);
6095         }
6096
6097         function label_add_article($link, $id, $label, $owner_uid) {
6098
6099                 global $memcache;
6100
6101                 if ($memcache) {
6102                         $obj_id = md5("LABELS:$id:$owner_uid");
6103                         $memcache->delete($obj_id);
6104                 }
6105
6106                 $label_id = label_find_id($link, $label, $owner_uid);
6107
6108                 if (!$label_id) return;
6109
6110                 $result = db_query($link,
6111                         "SELECT
6112                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6113                         WHERE
6114                                 label_id = id AND
6115                                 label_id = '$label_id' AND
6116                                 article_id = '$id' AND owner_uid = '$owner_uid'
6117                         LIMIT 1");
6118
6119                 if (db_num_rows($result) == 0) {
6120                         db_query($link, "INSERT INTO ttrss_user_labels2
6121                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6122                 }
6123
6124                 label_clear_cache($link, $id);
6125
6126         }
6127
6128         function label_remove($link, $id, $owner_uid) {
6129                 global $memcache;
6130
6131                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6132
6133                 if ($memcache) {
6134                         $obj_id = md5("LABELS:$id:$owner_uid");
6135                         $memcache->delete($obj_id);
6136                 }
6137
6138                 db_query($link, "BEGIN");
6139
6140                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6141                         WHERE id = '$id'");
6142
6143                 $caption = db_fetch_result($result, 0, "caption");
6144
6145                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6146                         AND owner_uid = " . $owner_uid);
6147
6148                 if (db_affected_rows($link, $result) != 0 && $caption) {
6149
6150                         /* Remove access key for the label */
6151
6152                         $ext_id = -11 - $id;
6153
6154                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6155                                 feed_id = '$ext_id' AND owner_uid = $owner_uid");
6156
6157                         /* Disable filters that reference label being removed */
6158
6159                         db_query($link, "UPDATE ttrss_filters SET
6160                                 enabled = false WHERE action_param = '$caption'
6161                                         AND action_id = 7
6162                                         AND owner_uid = " . $owner_uid);
6163
6164                         /* Remove cached data */
6165
6166                         db_query($link, "UPDATE ttrss_user_entries SET label_cache = ''
6167                                 WHERE label_cache LIKE '%$caption%' AND owner_uid = " . $owner_uid);
6168
6169                 }
6170
6171                 db_query($link, "COMMIT");
6172         }
6173
6174         function label_create($link, $caption) {
6175
6176                 db_query($link, "BEGIN");
6177
6178                 $result = false;
6179
6180                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6181                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6182
6183                 if (db_num_rows($result) == 0) {
6184                         $result = db_query($link,
6185                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
6186                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6187
6188                         $result = db_affected_rows($link, $result) != 0;
6189                 }
6190
6191                 db_query($link, "COMMIT");
6192
6193                 return $result;
6194         }
6195
6196         function print_labels_headlines_dropdown($link, $feed_id) {
6197                 print "<option value=\"addLabel()\">".__("Create label...")."</option>";
6198
6199                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6200                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6201
6202                 while ($line = db_fetch_assoc($result)) {
6203
6204                         $label_id = $line["id"];
6205                         $label_caption = $line["caption"];
6206                         $id = $line["id"];
6207
6208                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6209                                 print "<option id=\"LHDL-$id\"
6210                                         value=\"selectionRemoveLabel($label_id)\">".
6211                                         __('Remove:') . " $label_caption</option>";
6212                         } else {
6213                                 print "<option id=\"LHDL-$id\"
6214                                         value=\"selectionAssignLabel($label_id)\">".
6215                                         __('Assign:') . " $label_caption</option>";
6216                         }
6217                 }
6218         }
6219
6220         function format_tags_string($tags, $id) {
6221
6222                 $tags_str = "";
6223                 $tags_nolinks_str = "";
6224
6225                 $num_tags = 0;
6226
6227 /*              if (get_user_theme($link) == "3pane") {
6228                         $tag_limit = 3;
6229                 } else {
6230                         $tag_limit = 6;
6231                 } */
6232
6233                 $tag_limit = 6;
6234
6235                 $formatted_tags = array();
6236
6237                 foreach ($tags as $tag) {
6238                         $num_tags++;
6239                         $tag_escaped = str_replace("'", "\\'", $tag);
6240
6241                         if (mb_strlen($tag) > 30) {
6242                                 $tag = truncate_string($tag, 30);
6243                         }
6244
6245                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6246
6247                         array_push($formatted_tags, $tag_str);
6248
6249                         $tmp_tags_str = implode(", ", $formatted_tags);
6250
6251                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6252                                 break;
6253                         }
6254                 }
6255
6256                 $tags_str = implode(", ", $formatted_tags);
6257
6258                 if ($num_tags < count($tags)) {
6259                         $tags_str .= ", &hellip;";
6260                 }
6261
6262                 if ($num_tags == 0) {
6263                         $tags_str = __("no tags");
6264                 }
6265
6266                 return $tags_str;
6267
6268         }
6269
6270         function format_article_labels($labels, $id) {
6271
6272                 $labels_str = "";
6273
6274                 foreach ($labels as $l) {
6275                         $labels_str .= sprintf("<span class='hlLabelRef'
6276                                 style='color : %s; background-color : %s'>%s</span>",
6277                                         $l[2], $l[3], $l[1]);
6278                         }
6279
6280                 return $labels_str;
6281
6282         }
6283
6284         function format_article_note($id, $note) {
6285
6286                 $str = "<div class='articleNote' title=\"".__('edit note')."\"
6287                         onclick=\"editArticleNote($id)\">$note</div>";
6288
6289                 return $str;
6290         }
6291
6292         function toggle_collapse_cat($link, $cat_id, $mode) {
6293                 if ($cat_id > 0) {
6294                         $mode = bool_to_sql_bool($mode);
6295
6296                         db_query($link, "UPDATE ttrss_feed_categories SET
6297                                 collapsed = $mode WHERE id = '$cat_id' AND owner_uid = " .
6298                                 $_SESSION["uid"]);
6299                 } else {
6300                         $pref_name = '';
6301
6302                         switch ($cat_id) {
6303                         case -1:
6304                                 $pref_name = '_COLLAPSED_SPECIAL';
6305                                 break;
6306                         case -2:
6307                                 $pref_name = '_COLLAPSED_LABELS';
6308                                 break;
6309                         case 0:
6310                                 $pref_name = '_COLLAPSED_UNCAT';
6311                                 break;
6312                         }
6313
6314                         if ($pref_name) {
6315                                 if ($mode) {
6316                                         set_pref($link, $pref_name, 'true');
6317                                 } else {
6318                                         set_pref($link, $pref_name, 'false');
6319                                 }
6320                         }
6321                 }
6322         }
6323
6324         function remove_feed($link, $id, $owner_uid) {
6325
6326                 if ($id > 0) {
6327
6328                         /* save starred articles in Archived feed */
6329
6330                         db_query($link, "BEGIN");
6331
6332                         /* prepare feed if necessary */
6333
6334                         $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6335                                 WHERE id = '$id'");
6336
6337                         if (db_num_rows($result) == 0) {
6338                                 db_query($link, "INSERT INTO ttrss_archived_feeds
6339                                         (id, owner_uid, title, feed_url, site_url)
6340                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6341                                 WHERE id = '$id'");
6342                         }
6343
6344                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
6345                                 orig_feed_id = '$id' WHERE feed_id = '$id' AND
6346                                         marked = true AND owner_uid = $owner_uid");
6347
6348                         /* Remove access key for the feed */
6349
6350                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6351                                 feed_id = '$id' AND owner_uid = $owner_uid");
6352
6353                         /* remove the feed */
6354
6355                         db_query($link, "DELETE FROM ttrss_feeds
6356                                         WHERE id = '$id' AND owner_uid = $owner_uid");
6357
6358                         db_query($link, "COMMIT");
6359
6360 /*                      if (file_exists(ICONS_DIR . "/$id.ico")) {
6361                                 unlink(ICONS_DIR . "/$id.ico");
6362                         } */
6363
6364                         ccache_remove($link, $id, $owner_uid);
6365
6366                 } else {
6367                         label_remove($link, -11-$id, $owner_uid);
6368                         ccache_remove($link, -11-$id, $owner_uid);
6369                 }
6370         }
6371
6372         function add_feed_category($link, $feed_cat) {
6373
6374                 if (!$feed_cat) return false;
6375
6376                 db_query($link, "BEGIN");
6377
6378                 $result = db_query($link,
6379                         "SELECT id FROM ttrss_feed_categories
6380                         WHERE title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
6381
6382                 if (db_num_rows($result) == 0) {
6383
6384                         $result = db_query($link,
6385                                 "INSERT INTO ttrss_feed_categories (owner_uid,title)
6386                                 VALUES ('".$_SESSION["uid"]."', '$feed_cat')");
6387
6388                         db_query($link, "COMMIT");
6389
6390                         return true;
6391                 }
6392
6393                 return false;
6394         }
6395
6396         function remove_feed_category($link, $id, $owner_uid) {
6397
6398                 db_query($link, "DELETE FROM ttrss_feed_categories
6399                         WHERE id = '$id' AND owner_uid = $owner_uid");
6400
6401                 ccache_remove($link, $id, $owner_uid, true);
6402         }
6403
6404         function archive_article($link, $id, $owner_uid) {
6405                 db_query($link, "BEGIN");
6406
6407                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6408                         WHERE ref_id = '$id' AND owner_uid = $owner_uid");
6409
6410                 if (db_num_rows($result) != 0) {
6411
6412                         /* prepare the archived table */
6413
6414                         $feed_id = (int) db_fetch_result($result, 0, "feed_id");
6415
6416                         if ($feed_id) {
6417                                 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6418                                         WHERE id = '$feed_id'");
6419
6420                                 if (db_num_rows($result) == 0) {
6421                                         db_query($link, "INSERT INTO ttrss_archived_feeds
6422                                                 (id, owner_uid, title, feed_url, site_url)
6423                                         SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6424                                         WHERE id = '$feed_id'");
6425                                 }
6426
6427                                 db_query($link, "UPDATE ttrss_user_entries
6428                                         SET orig_feed_id = feed_id, feed_id = NULL
6429                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6430                         }
6431                 }
6432
6433                 db_query($link, "COMMIT");
6434         }
6435
6436         function getArticleFeed($link, $id) {
6437                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6438                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6439
6440                 if (db_num_rows($result) != 0) {
6441                         return db_fetch_result($result, 0, "feed_id");
6442                 } else {
6443                         return 0;
6444                 }
6445         }
6446
6447         function make_url_from_parts($parts) {
6448                 $url = $parts['scheme'] . '://' . $parts['host'];
6449
6450                 if ($parts['path']) $url .= $parts['path'];
6451                 if ($parts['query']) $url .= '?' . $parts['query'];
6452
6453                 return $url;
6454         }
6455
6456         /**
6457          * Fixes incomplete URLs by prepending "http://".
6458          * Also replaces feed:// with http://, and
6459          * prepends a trailing slash if the url is a domain name only.
6460          *
6461          * @param string $url Possibly incomplete URL
6462          *
6463          * @return string Fixed URL.
6464          */
6465         function fix_url($url) {
6466                 if (strpos($url, '://') === false) {
6467                         $url = 'http://' . $url;
6468                 } else if (substr($url, 0, 5) == 'feed:') {
6469                         $url = 'http:' . substr($url, 5);
6470                 }
6471
6472                 //prepend slash if the URL has no slash in it
6473                 // "http://www.example" -> "http://www.example/"
6474                 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
6475                         $url .= '/';
6476                 }
6477
6478                 if ($url != "http:///")
6479                         return $url;
6480                 else
6481                         return '';
6482         }
6483
6484         function validate_feed_url($url) {
6485                 $parts = parse_url($url);
6486
6487                 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
6488
6489         }
6490
6491         function get_article_enclosures($link, $id) {
6492
6493                 global $memcache;
6494
6495                 $query = "SELECT * FROM ttrss_enclosures
6496                         WHERE post_id = '$id' AND content_url != ''";
6497
6498                 $obj_id = md5("ENCLOSURES:$id");
6499
6500                 $rv = array();
6501
6502                 if ($memcache && $obj = $memcache->get($obj_id)) {
6503                         $rv = $obj;
6504                 } else {
6505                         $result = db_query($link, $query);
6506
6507                         if (db_num_rows($result) > 0) {
6508                                 while ($line = db_fetch_assoc($result)) {
6509                                         array_push($rv, $line);
6510                                 }
6511                                 if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6512                         }
6513                 }
6514
6515                 return $rv;
6516         }
6517
6518         function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset) {
6519
6520                         $feeds = array();
6521
6522                         /* Labels */
6523
6524                         if ($cat_id == -4 || $cat_id == -2) {
6525                                 $counters = getLabelCounters($link, true);
6526
6527                                 foreach (array_values($counters) as $cv) {
6528
6529                                         $unread = $cv["counter"];
6530
6531                                         if ($unread || !$unread_only) {
6532
6533                                                 $row = array(
6534                                                                 "id" => $cv["id"],
6535                                                                 "title" => $cv["description"],
6536                                                                 "unread" => $cv["counter"],
6537                                                                 "cat_id" => -2,
6538                                                         );
6539
6540                                                 array_push($feeds, $row);
6541                                         }
6542                                 }
6543                         }
6544
6545                         /* Virtual feeds */
6546
6547                         if ($cat_id == -4 || $cat_id == -1) {
6548                                 foreach (array(-1, -2, -3, -4, 0) as $i) {
6549                                         $unread = getFeedUnread($link, $i);
6550
6551                                         if ($unread || !$unread_only) {
6552                                                 $title = getFeedTitle($link, $i);
6553
6554                                                 $row = array(
6555                                                                 "id" => $i,
6556                                                                 "title" => $title,
6557                                                                 "unread" => $unread,
6558                                                                 "cat_id" => -1,
6559                                                         );
6560                                                 array_push($feeds, $row);
6561                                         }
6562
6563                                 }
6564                         }
6565
6566                         /* Real feeds */
6567
6568                         if ($limit) {
6569                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
6570                         } else {
6571                                 $limit_qpart = "";
6572                         }
6573
6574                         if ($cat_id == -4 || $cat_id == -3) {
6575                                 $result = db_query($link, "SELECT
6576                                         id, feed_url, cat_id, title, ".
6577                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6578                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
6579                                                 " ORDER BY cat_id, title " . $limit_qpart);
6580                         } else {
6581
6582                                 if ($cat_id)
6583                                         $cat_qpart = "cat_id = '$cat_id'";
6584                                 else
6585                                         $cat_qpart = "cat_id IS NULL";
6586
6587                                 $result = db_query($link, "SELECT
6588                                         id, feed_url, cat_id, title, ".
6589                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6590                                                 FROM ttrss_feeds WHERE
6591                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
6592                                                 " ORDER BY cat_id, title " . $limit_qpart);
6593                         }
6594
6595                         while ($line = db_fetch_assoc($result)) {
6596
6597                                 $unread = getFeedUnread($link, $line["id"]);
6598
6599                                 $has_icon = feed_has_icon($line['id']);
6600
6601                                 if ($unread || !$unread_only) {
6602
6603                                         $row = array(
6604                                                         "feed_url" => $line["feed_url"],
6605                                                         "title" => $line["title"],
6606                                                         "id" => (int)$line["id"],
6607                                                         "unread" => (int)$unread,
6608                                                         "has_icon" => $has_icon,
6609                                                         "cat_id" => (int)$line["cat_id"],
6610                                                         "last_updated" => strtotime($line["last_updated"])
6611                                                 );
6612
6613                                         array_push($feeds, $row);
6614                                 }
6615                         }
6616
6617                 return $feeds;
6618         }
6619
6620         function api_get_headlines($link, $feed_id, $limit, $offset,
6621                                         $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order) {
6622
6623                         /* do not rely on params below */
6624
6625                         $search = db_escape_string($_REQUEST["search"]);
6626                         $search_mode = db_escape_string($_REQUEST["search_mode"]);
6627                         $match_on = db_escape_string($_REQUEST["match_on"]);
6628
6629                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
6630                                 $view_mode, $is_cat, $search, $search_mode, $match_on,
6631                                 $order, $offset);
6632
6633                         $result = $qfh_ret[0];
6634                         $feed_title = $qfh_ret[1];
6635
6636                         $headlines = array();
6637
6638                         while ($line = db_fetch_assoc($result)) {
6639                                 $is_updated = ($line["last_read"] == "" &&
6640                                         ($line["unread"] != "t" && $line["unread"] != "1"));
6641
6642                                 $headline_row = array(
6643                                                 "id" => (int)$line["id"],
6644                                                 "unread" => sql_bool_to_bool($line["unread"]),
6645                                                 "marked" => sql_bool_to_bool($line["marked"]),
6646                                                 "published" => sql_bool_to_bool($line["published"]),
6647                                                 "updated" => strtotime($line["updated"]),
6648                                                 "is_updated" => $is_updated,
6649                                                 "title" => $line["title"],
6650                                                 "link" => $line["link"],
6651                                                 "feed_id" => $line["feed_id"],
6652                                                 "tags" => get_article_tags($link, $line["id"]),
6653                                         );
6654
6655                                 if ($show_excerpt) {
6656                                         $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
6657                                         $headline_row["excerpt"] = $excerpt;
6658                                 }
6659
6660                                 if ($show_content) {
6661                                         $headline_row["content"] = $line["content_preview"];
6662                                 }
6663
6664                                 array_push($headlines, $headline_row);
6665                         }
6666
6667                         return $headlines;
6668         }
6669
6670         function generate_dashboard_feed($link) {
6671                 print "<headlines id=\"-5\" is_cat=\"\">";
6672
6673                 print "<toolbar><![CDATA[]]></toolbar>";
6674
6675                 print '<content><![CDATA[';
6676
6677                 print "<div class='whiteBox'>".__('No feed selected.');
6678
6679                 print "<p class=\"small\"><span class=\"insensitive\">";
6680
6681                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
6682                         WHERE owner_uid = " . $_SESSION['uid']);
6683
6684                 $last_updated = db_fetch_result($result, 0, "last_updated");
6685                 $last_updated = make_local_datetime($link, $last_updated, false);
6686
6687                 printf(__("Feeds last updated at %s"), $last_updated);
6688
6689                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
6690                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
6691
6692                 $num_errors = db_fetch_result($result, 0, "num_errors");
6693
6694                 if ($num_errors > 0) {
6695                         print "<br/>";
6696                         print "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
6697                                 __('Some feeds have update errors (click for details)')."</a>";
6698                 }
6699                 print "</span></p>";
6700
6701                 print "]]></content>";
6702                 print "</headlines>";
6703
6704                 print "<headlines-info><![CDATA[";
6705
6706                 $info = array("count" => 0,
6707                         "vgroup_last_feed" => '',
6708                         "unread" => 0,
6709                         "disable_cache" => true);
6710
6711                 print json_encode($info);
6712
6713                 print "]]></headlines-info>";
6714
6715         }
6716
6717         function save_email_address($link, $email) {
6718                 // FIXME: implement persistent storage of emails
6719
6720                 if (!$_SESSION['stored_emails'])
6721                         $_SESSION['stored_emails'] = array();
6722
6723                 if (!in_array($email, $_SESSION['stored_emails']))
6724                         array_push($_SESSION['stored_emails'], $email);
6725         }
6726
6727         function update_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6728                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6729
6730                 $sql_is_cat = bool_to_sql_bool($is_cat);
6731
6732                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
6733                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
6734                         AND owner_uid = " . $owner_uid);
6735
6736                 if (db_num_rows($result) == 1) {
6737                         $key = db_escape_string(sha1(uniqid(rand(), true)));
6738
6739                         db_query($link, "UPDATE ttrss_access_keys SET access_key = '$key'
6740                                 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
6741                                 AND owner_uid = " . $owner_uid);
6742
6743                         return $key;
6744
6745                 } else {
6746                         return get_feed_access_key($link, $feed_id, $is_cat, $owner_uid);
6747                 }
6748         }
6749
6750         function get_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6751
6752                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6753
6754                 $sql_is_cat = bool_to_sql_bool($is_cat);
6755
6756                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
6757                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
6758                         AND owner_uid = " . $owner_uid);
6759
6760                 if (db_num_rows($result) == 1) {
6761                         return db_fetch_result($result, 0, "access_key");
6762                 } else {
6763                         $key = db_escape_string(sha1(uniqid(rand(), true)));
6764
6765                         $result = db_query($link, "INSERT INTO ttrss_access_keys
6766                                 (access_key, feed_id, is_cat, owner_uid)
6767                                 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
6768
6769                         return $key;
6770                 }
6771                 return false;
6772         }
6773
6774         /**
6775          * Extracts RSS/Atom feed URLs from the given HTML URL.
6776          *
6777          * @param string $url HTML page URL
6778          *
6779          * @return array Array of feeds. Key is the full URL, value the title
6780          */
6781         function get_feeds_from_html($url, $login = false, $pass = false)
6782         {
6783                 $url     = fix_url($url);
6784                 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
6785
6786                 libxml_use_internal_errors(true);
6787
6788                 $content = @fetch_file_contents($url, false, $login, $pass);
6789
6790                 $doc = new DOMDocument();
6791                 $doc->loadHTML($content);
6792                 $xpath = new DOMXPath($doc);
6793                 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
6794                 $feedUrls = array();
6795                 foreach ($entries as $entry) {
6796                         if ($entry->hasAttribute('href')) {
6797                                 $title = $entry->getAttribute('title');
6798                                 if ($title == '') {
6799                                         $title = $entry->getAttribute('type');
6800                                 }
6801                                 $feedUrl = rewrite_relative_url(
6802                                         $baseUrl, $entry->getAttribute('href')
6803                                 );
6804                                 $feedUrls[$feedUrl] = $title;
6805                         }
6806                 }
6807                 return $feedUrls;
6808         }
6809
6810         /**
6811          * Checks if the content behind the given URL is a HTML file
6812          *
6813          * @param string $url URL to check
6814          *
6815          * @return boolean True if the URL contains HTML content
6816          */
6817         function url_is_html($url, $login = false, $pass = false) {
6818                 $content = substr(fetch_file_contents($url, false, $login, $pass), 0, 1000);
6819
6820                 if (stripos($content, '<html>') === false
6821                         && stripos($content, '<html ') === false
6822                 ) {
6823                         return false;
6824                 }
6825
6826                 return true;
6827         }
6828
6829         function print_label_select($link, $name, $value, $attributes = "") {
6830
6831                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6832                         WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6833
6834                 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
6835                         "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
6836
6837                 while ($line = db_fetch_assoc($result)) {
6838
6839                         $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
6840
6841                         print "<option value=\"".htmlspecialchars($line["caption"])."\"
6842                                 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
6843
6844                 }
6845
6846 #               print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
6847
6848                 print "</select>";
6849
6850
6851         }
6852
6853         function print_article_enclosures($link, $id, $always_display_enclosures,
6854                                         $article_content) {
6855
6856                 $result = get_article_enclosures($link, $id);
6857
6858                 if (count($result) > 0) {
6859
6860                         $entries_html = array();
6861                         $entries = array();
6862
6863                         foreach ($result as $line) {
6864
6865                                 $url = $line["content_url"];
6866                                 $ctype = $line["content_type"];
6867
6868                                 if (!$ctype) $ctype = __("unknown type");
6869
6870 #                               $filename = substr($url, strrpos($url, "/")+1);
6871
6872                                 $entry = format_inline_player($link, $url, $ctype);
6873
6874 #                               $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
6875 #                                       $filename . " (" . $ctype . ")" . "</a>";
6876
6877                                 array_push($entries_html, $entry);
6878
6879                                 $entry = array();
6880
6881                                 $entry["type"] = $ctype;
6882                                 $entry["filename"] = $filename;
6883                                 $entry["url"] = $url;
6884
6885                                 array_push($entries, $entry);
6886                         }
6887
6888                         print "<div class=\"postEnclosures\">";
6889
6890                         if (!get_pref($link, "STRIP_IMAGES")) {
6891                                 if ($always_display_enclosures ||
6892                                                         !preg_match("/<img/i", $article_content)) {
6893
6894                                         foreach ($entries as $entry) {
6895
6896                                                 if (preg_match("/image/", $entry["type"]) ||
6897                                                                 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
6898
6899                                                                 print "<p><img
6900                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
6901                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
6902                                                 }
6903                                         }
6904                                 }
6905                         }
6906
6907                         if (count($entries) == 1) {
6908                                 print __("Attachment:") . " ";
6909                         } else {
6910                                 print __("Attachments:") . " ";
6911                         }
6912
6913                         print join(", ", $entries_html);
6914
6915                         print "</div>";
6916                 }
6917         }
6918
6919         function getLastArticleId($link) {
6920                 $result = db_query($link, "SELECT MAX(ref_id) AS id FROM ttrss_user_entries
6921                         WHERE owner_uid = " . $_SESSION["uid"]);
6922
6923                 if (db_num_rows($result) == 1) {
6924                         return db_fetch_result($result, 0, "id");
6925                 } else {
6926                         return -1;
6927                 }
6928         }
6929
6930         function build_url($parts) {
6931                 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
6932         }
6933
6934         /**
6935          * Converts a (possibly) relative URL to a absolute one.
6936          *
6937          * @param string $url     Base URL (i.e. from where the document is)
6938          * @param string $rel_url Possibly relative URL in the document
6939          *
6940          * @return string Absolute URL
6941          */
6942         function rewrite_relative_url($url, $rel_url) {
6943                 if (strpos($rel_url, "://") !== false) {
6944                         return $rel_url;
6945                 } else if (strpos($rel_url, "/") === 0)
6946                 {
6947                         $parts = parse_url($url);
6948                         $parts['path'] = $rel_url;
6949
6950                         return build_url($parts);
6951
6952                 } else {
6953                         $parts = parse_url($url);
6954                         if (!isset($parts['path'])) {
6955                                 $parts['path'] = '/';
6956                         }
6957                         $dir = $parts['path'];
6958                         if (substr($dir, -1) !== '/') {
6959                                 $dir = dirname($parts['path']);
6960                                 $dir !== '/' && $dir .= '/';
6961                         }
6962                         $parts['path'] = $dir . $rel_url;
6963
6964                         return build_url($parts);
6965                 }
6966         }
6967
6968         function sphinx_search($query, $offset = 0, $limit = 30) {
6969                 $sphinxClient = new SphinxClient();
6970
6971                 $sphinxClient->SetServer('localhost', 9312);
6972                 $sphinxClient->SetConnectTimeout(1);
6973
6974                 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
6975                         'feed_title' => 20));
6976
6977                 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
6978                 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
6979                 $sphinxClient->SetLimits($offset, $limit, 1000);
6980                 $sphinxClient->SetArrayResult(false);
6981                 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
6982
6983                 $result = $sphinxClient->Query($query, SPHINX_INDEX);
6984
6985                 $ids = array();
6986
6987                 if (is_array($result['matches'])) {
6988                         foreach (array_keys($result['matches']) as $int_id) {
6989                                 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
6990                                 array_push($ids, $ref_id);
6991                         }
6992                 }
6993
6994                 return $ids;
6995         }
6996
6997         function cleanup_tags($link, $days = 14, $limit = 1000) {
6998
6999                 if (DB_TYPE == "pgsql") {
7000                         $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
7001                 } else if (DB_TYPE == "mysql") {
7002                         $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
7003                 }
7004
7005                 $tags_deleted = 0;
7006
7007                 while ($limit > 0) {
7008                         $limit_part = 500;
7009
7010                         $query = "SELECT ttrss_tags.id AS id
7011                                 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
7012                                 WHERE post_int_id = int_id AND $interval_query AND
7013                                 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
7014
7015                         $result = db_query($link, $query);
7016
7017                         $ids = array();
7018
7019                         while ($line = db_fetch_assoc($result)) {
7020                                 array_push($ids, $line['id']);
7021                         }
7022
7023                         if (count($ids) > 0) {
7024                                 $ids = join(",", $ids);
7025                                 print ".";
7026
7027                                 $tmp_result = db_query($link, "DELETE FROM ttrss_tags WHERE id IN ($ids)");
7028                                 $tags_deleted += db_affected_rows($link, $tmp_result);
7029                         } else {
7030                                 break;
7031                         }
7032
7033                         $limit -= $limit_part;
7034                 }
7035
7036                 print "\n";
7037
7038                 return $tags_deleted;
7039         }
7040
7041         function feedlist_init_cat($link, $cat_id, $hidden = false) {
7042                 $obj = array();
7043                 $cat_id = (int) $cat_id;
7044
7045                 if ($cat_id > 0) {
7046                         $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
7047                 } else if ($cat_id == 0 || $cat_id == -2) {
7048                         $cat_unread = getCategoryUnread($link, $cat_id);
7049                 }
7050
7051                 $obj['id'] = 'CAT:' . $cat_id;
7052                 $obj['items'] = array();
7053                 $obj['name'] = getCategoryTitle($link, $cat_id);
7054                 $obj['type'] = 'feed';
7055                 $obj['unread'] = (int) $cat_unread;
7056                 $obj['hidden'] = $hidden;
7057                 $obj['bare_id'] = $cat_id;
7058
7059                 return $obj;
7060         }
7061
7062         function feedlist_init_feed($link, $feed_id, $title = false, $unread = false, $error = '', $updated = '') {
7063                 $obj = array();
7064                 $feed_id = (int) $feed_id;
7065
7066                 if (!$title)
7067                         $title = getFeedTitle($link, $feed_id, false);
7068
7069                 if ($unread === false)
7070                         $unread = getFeedUnread($link, $feed_id, false);
7071
7072                 $obj['id'] = 'FEED:' . $feed_id;
7073                 $obj['name'] = $title;
7074                 $obj['unread'] = (int) $unread;
7075                 $obj['type'] = 'feed';
7076                 $obj['error'] = $error;
7077                 $obj['updated'] = $updated;
7078                 $obj['icon'] = getFeedIcon($feed_id);
7079                 $obj['bare_id'] = $feed_id;
7080
7081                 return $obj;
7082         }
7083
7084
7085         function fetch_twitter_rss($link, $url, $owner_uid) {
7086                 $result = db_query($link, "SELECT twitter_oauth FROM ttrss_users
7087                         WHERE id = $owner_uid");
7088
7089                 $access_token = json_decode(db_fetch_result($result, 0, 'twitter_oauth'), true);
7090                 $url_escaped = db_escape_string($url);
7091
7092                 if ($access_token) {
7093
7094                         $tmhOAuth = new tmhOAuth(array(
7095                                 'consumer_key'    => CONSUMER_KEY,
7096                                 'consumer_secret' => CONSUMER_SECRET,
7097                                 'user_token' => $access_token['oauth_token'],
7098                                 'user_secret' => $access_token['oauth_token_secret'],
7099                         ));
7100
7101                         $code = $tmhOAuth->request('GET', $url);
7102
7103                         if ($code == 200) {
7104
7105                                 $content = $tmhOAuth->response['response'];
7106
7107                                 $rss = new MagpieRSS($content, MAGPIE_OUTPUT_ENCODING,
7108                                         MAGPIE_INPUT_ENCODING, MAGPIE_DETECT_ENCODING );
7109
7110                                 return $rss;
7111
7112                         } else {
7113
7114                                 db_query($link, "UPDATE ttrss_feeds
7115                                         SET last_error = 'OAuth authorization failed ($code).'
7116                                         WHERE feed_url = '$url_escaped' AND owner_uid = $owner_uid");
7117                         }
7118
7119                 } else {
7120
7121                         db_query($link, "UPDATE ttrss_feeds
7122                                 SET last_error = 'OAuth information not found.'
7123                                 WHERE feed_url = '$url_escaped' AND owner_uid = $owner_uid");
7124
7125                         return false;
7126                 }
7127         }
7128
7129         function print_user_stylesheet($link) {
7130                 $value = get_pref($link, 'USER_STYLESHEET');
7131
7132                 if ($value) {
7133                         print "<style type=\"text/css\">";
7134                         print str_replace("<br/>", "\n", $value);
7135                         print "</style>";
7136                 }
7137
7138         }
7139
7140         function rewrite_urls($line) {
7141                 global $url_regex;
7142
7143                 $urls = null;
7144
7145                 $result = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
7146                         "<a target=\"_blank\" href=\"\\1\">\\1</a>", $line);
7147
7148                 return $result;
7149         }
7150
7151 ?>