functions.php

   1 <?php
   2
   3 /*      if ($_GET["debug"]) {
   4                 define('DEFAULT_ERROR_LEVEL', E_ALL);
   5         } else {
   6                 define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
   7         } */
   8
   9         require_once 'config.php';
  10
  11         if (DB_TYPE == "pgsql") {
  12                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  13         } else {
  14                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  15         }
  16
  17         /**
  18          * Return available translations names.
  19          *
  20          * @access public
  21          * @return array A array of available translations.
  22          */
  23         function get_translations() {
  24                 $tr = array(
  25                                         "auto"  => "Detect automatically",
  26                                         "en_US" => "English",
  27                                         "fr_FR" => "Français",
  28                                         "hu_HU" => "Magyar (Hungarian)",
  29                                         "it_IT" => "Italiano",
  30                                         "ja_JP" => "日本語 (Japanese)",
  31                                         "nb_NO" => "Norwegian bokmål",
  32                                         "ru_RU" => "Русский",
  33                                         "pt_BR" => "Portuguese/Brazil",
  34                                         "zh_CN" => "Simplified Chinese");
  35
  36                 return $tr;
  37         }
  38
  39         if (ENABLE_TRANSLATIONS == true) { // If translations are enabled.
  40                 require_once "accept-to-gettext.php";
  41                 require_once "lib/gettext/gettext.inc";
  42
  43                 function startup_gettext() {
  44
  45                         # Get locale from Accept-Language header
  46                         $lang = al2gt(array_keys(get_translations()), "text/html");
  47
  48                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  49                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  50                         }
  51
  52                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  53                                 $lang = $_COOKIE["ttrss_lang"];
  54                         }
  55
  56                         /* In login action of mobile version */
  57                         if ($_POST["language"] && defined('MOBILE_VERSION')) {
  58                                 $lang = $_POST["language"];
  59                                 $_COOKIE["ttrss_lang"] = $lang;
  60                         }
  61
  62                         if ($lang) {
  63                                 if (defined('LC_MESSAGES')) {
  64                                         _setlocale(LC_MESSAGES, $lang);
  65                                 } else if (defined('LC_ALL')) {
  66                                         _setlocale(LC_ALL, $lang);
  67                                 } else {
  68                                         die("can't setlocale(): please set ENABLE_TRANSLATIONS to false in config.php");
  69                                 }
  70
  71                                 if (defined('MOBILE_VERSION')) {
  72                                         _bindtextdomain("messages", "../locale");
  73                                 } else {
  74                                         _bindtextdomain("messages", "locale");
  75                                 }
  76
  77                                 _textdomain("messages");
  78                                 _bind_textdomain_codeset("messages", "UTF-8");
  79                         }
  80                 }
  81
  82                 startup_gettext();
  83
  84         } else { // If translations are enabled.
  85                 function __($msg) {
  86                         return $msg;
  87                 }
  88                 function startup_gettext() {
  89                         // no-op
  90                         return true;
  91                 }
  92         } // If translations are enabled.
  93
  94         require_once 'db-prefs.php';
  95         require_once 'compat.php';
  96         require_once 'errors.php';
  97         require_once 'version.php';
  98
  99         require_once 'lib/phpmailer/class.phpmailer.php';
 100
 101         define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
 102         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
 103         define('MAGPIE_CACHE_AGE', 60*15); // 15 minutes
 104
 105         require_once "lib/simplepie/simplepie.inc";
 106         require_once "lib/magpierss/rss_fetch.inc";
 107         require_once 'lib/magpierss/rss_utils.inc';
 108
 109         /**
 110          * Print a timestamped debug message.
 111          *
 112          * @param string $msg The debug message.
 113          * @return void
 114          */
 115         function _debug($msg) {
 116                 $ts = strftime("%H:%M:%S", time());
 117                 if (function_exists('posix_getpid')) {
 118                         $ts = "$ts/" . posix_getpid();
 119                 }
 120                 print "[$ts] $msg\n";
 121         } // function _debug
 122
 123         /**
 124          * Purge a feed old posts.
 125          *
 126          * @param mixed $link A database connection.
 127          * @param mixed $feed_id The id of the purged feed.
 128          * @param mixed $purge_interval Olderness of purged posts.
 129          * @param boolean $debug Set to True to enable the debug. False by default.
 130          * @access public
 131          * @return void
 132          */
 133         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 134
 135                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 136
 137                 $rows = -1;
 138
 139                 $result = db_query($link,
 140                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 141
 142                 $owner_uid = false;
 143
 144                 if (db_num_rows($result) == 1) {
 145                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 146                 }
 147
 148                 if ($purge_interval == -1 || !$purge_interval) {
 149                         if ($owner_uid) {
 150                                 ccache_update($link, $feed_id, $owner_uid);
 151                         }
 152                         return;
 153                 }
 154
 155                 if (!$owner_uid) return;
 156
 157                 if (FORCE_ARTICLE_PURGE == 0) {
 158                         $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 159                                 $owner_uid, false);
 160                 } else {
 161                         $purge_unread = true;
 162                         $purge_interval = FORCE_ARTICLE_PURGE;
 163                 }
 164
 165                 if (!$purge_unread) $query_limit = " unread = false AND ";
 166
 167                 if (DB_TYPE == "pgsql") {
 168 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 169                                 marked = false AND feed_id = '$feed_id' AND
 170                                 (SELECT date_entered FROM ttrss_entries WHERE
 171                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
 172
 173                         $pg_version = get_pgsql_version($link);
 174
 175                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 176
 177                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 178                                         ttrss_entries.id = ref_id AND
 179                                         marked = false AND
 180                                         feed_id = '$feed_id' AND
 181                                         $query_limit
 182                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 183
 184                         } else {
 185
 186                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 187                                         USING ttrss_entries
 188                                         WHERE ttrss_entries.id = ref_id AND
 189                                         marked = false AND
 190                                         feed_id = '$feed_id' AND
 191                                         $query_limit
 192                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 193                         }
 194
 195                         $rows = pg_affected_rows($result);
 196
 197                 } else {
 198
 199 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 200                                 marked = false AND feed_id = '$feed_id' AND
 201                                 (SELECT date_entered FROM ttrss_entries WHERE
 202                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 203
 204                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 205                                 USING ttrss_user_entries, ttrss_entries
 206                                 WHERE ttrss_entries.id = ref_id AND
 207                                 marked = false AND
 208                                 feed_id = '$feed_id' AND
 209                                 $query_limit
 210                                 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 211
 212                         $rows = mysql_affected_rows($link);
 213
 214                 }
 215
 216                 ccache_update($link, $feed_id, $owner_uid);
 217
 218                 if ($debug) {
 219                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 220                 }
 221         } // function purge_feed
 222
 223         /**
 224          * Purge old posts from old feeds.
 225          *
 226          * @param mixed $link A database connection
 227          * @param boolean $do_output Set to true to enable printed output, false by default.
 228          * @param integer $limit The maximal number of removed posts.
 229          * @access public
 230          * @return void
 231          */
 232         function global_purge_old_posts($link, $do_output = false, $limit = false) {
 233
 234                 $random_qpart = sql_random_function();
 235
 236                 if ($limit) {
 237                         $limit_qpart = "LIMIT $limit";
 238                 } else {
 239                         $limit_qpart = "";
 240                 }
 241
 242                 $result = db_query($link,
 243                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 244                                 ORDER BY $random_qpart $limit_qpart");
 245
 246                 while ($line = db_fetch_assoc($result)) {
 247
 248                         $feed_id = $line["id"];
 249                         $purge_interval = $line["purge_interval"];
 250                         $owner_uid = $line["owner_uid"];
 251
 252                         if ($purge_interval == 0) {
 253
 254                                 $tmp_result = db_query($link,
 255                                         "SELECT value FROM ttrss_user_prefs WHERE
 256                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 257
 258                                 if (db_num_rows($tmp_result) != 0) {
 259                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 260                                 }
 261                         }
 262
 263                         if ($do_output) {
 264 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 265                         }
 266
 267                         if ($purge_interval > 0 || FORCE_ARTICLE_PURGE) {
 268                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 269                         }
 270                 }
 271
 272                 // purge orphaned posts in main content table
 273                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 274                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 275
 276                 if ($do_output) {
 277                         $rows = db_affected_rows($link, $result);
 278                         _debug("Purged $rows orphaned posts.");
 279                 }
 280
 281         } // function global_purge_old_posts
 282
 283         function feed_purge_interval($link, $feed_id) {
 284
 285                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 286                         WHERE id = '$feed_id'");
 287
 288                 if (db_num_rows($result) == 1) {
 289                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 290                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 291
 292                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 293                                 'PURGE_OLD_DAYS', $owner_uid);
 294
 295                         return $purge_interval;
 296
 297                 } else {
 298                         return -1;
 299                 }
 300         }
 301
 302         function purge_old_posts($link) {
 303
 304                 $user_id = $_SESSION["uid"];
 305
 306                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 307                         WHERE owner_uid = '$user_id'");
 308
 309                 while ($line = db_fetch_assoc($result)) {
 310
 311                         $feed_id = $line["id"];
 312                         $purge_interval = $line["purge_interval"];
 313
 314                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 315
 316                         if ($purge_interval > 0) {
 317                                 purge_feed($link, $feed_id, $purge_interval);
 318                         }
 319                 }
 320
 321                 purge_orphans($link);
 322         }
 323
 324         function purge_orphans($link) {
 325                 // purge orphaned posts in main content table
 326                 db_query($link, "DELETE FROM ttrss_entries WHERE
 327                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 328         }
 329
 330         function get_feed_update_interval($link, $feed_id) {
 331                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 332                         ttrss_feeds WHERE id = '$feed_id'");
 333
 334                 if (db_num_rows($result) == 1) {
 335                         $update_interval = db_fetch_result($result, 0, "update_interval");
 336                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 337
 338                         if ($update_interval != 0) {
 339                                 return $update_interval;
 340                         } else {
 341                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 342                         }
 343
 344                 } else {
 345                         return -1;
 346                 }
 347         }
 348
 349         function fetch_file_contents($url) {
 350                 if (USE_CURL_FOR_ICONS) {
 351                         $tmpfile = tempnam(TMP_DIRECTORY, "ttrss-tmp");
 352
 353                         $ch = curl_init($url);
 354                         $fp = fopen($tmpfile, "w");
 355
 356                         if ($fp) {
 357                                 curl_setopt($ch, CURLOPT_FILE, $fp);
 358                                 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 359                                 curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 360                                 curl_exec($ch);
 361                                 curl_close($ch);
 362                                 fclose($fp);
 363                         }
 364
 365                         $contents =  file_get_contents($tmpfile);
 366                         unlink($tmpfile);
 367
 368                         return $contents;
 369
 370                 } else {
 371                         return file_get_contents($url);
 372                 }
 373
 374         }
 375
 376         /**
 377          * Try to determine the favicon URL for a feed.
 378          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 379          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 380          *
 381          * @param string $url A feed or page URL
 382          * @access public
 383          * @return mixed The favicon URL, or false if none was found.
 384          */
 385         function get_favicon_url($url) {
 386
 387                 if ($html = @fetch_file_contents($url)) {
 388
 389                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
 390                                 // Attempt to grab a favicon link from their webpage url
 391                                 $linkUrl = html_entity_decode($matches[1]);
 392
 393                                 if (substr($linkUrl, 0, 1) == '/') {
 394                                         $urlParts = parse_url($url);
 395                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
 396                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
 397                                         $faviconURL = $linkUrl;
 398                                 } else if (substr($url, -1, 1) == '/') {
 399                                         $faviconURL = $url.$linkUrl;
 400                                 } else {
 401                                         $faviconURL = $url.'/'.$linkUrl;
 402                                 }
 403
 404                         } else {
 405                                 // If unsuccessful, attempt to "guess" the favicon location
 406                                 $urlParts = parse_url($url);
 407                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
 408                         }
 409                 }
 410
 411                 // Run a test to see if what we have attempted to get actually exists.
 412                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
 413                         return $faviconURL;
 414                 } else {
 415                         return false;
 416                 }
 417         } // function get_favicon_url
 418
 419         /**
 420          * Check if a link is a valid and working URL.
 421          *
 422          * @param mixed $link A URL to check
 423          * @access public
 424          * @return boolean True if the URL is valid, false otherwise.
 425          */
 426         function url_validate($link) {
 427
 428                 $url_parts = @parse_url($link);
 429
 430                 if ( empty( $url_parts["host"] ) )
 431                                 return false;
 432
 433                 if ( !empty( $url_parts["path"] ) ) {
 434                                 $documentpath = $url_parts["path"];
 435                 } else {
 436                                 $documentpath = "/";
 437                 }
 438
 439                 if ( !empty( $url_parts["query"] ) )
 440                                 $documentpath .= "?" . $url_parts["query"];
 441
 442                 $host = $url_parts["host"];
 443                 $port = $url_parts["port"];
 444
 445                 if ( empty($port) )
 446                                 $port = "80";
 447
 448                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 449
 450                 if ( !$socket )
 451                                 return false;
 452
 453                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 454
 455                 $http_response = fgets( $socket, 22 );
 456
 457                 $responses = "/(200 OK)|(30[0-9] Moved)/";
 458                 if ( preg_match($responses, $http_response) ) {
 459                                 fclose($socket);
 460                                 return true;
 461                 } else {
 462                                 return false;
 463                 }
 464
 465         } // function url_validate
 466
 467         function check_feed_favicon($site_url, $feed, $link) {
 468                 $favicon_url = get_favicon_url($site_url);
 469
 470 #               print "FAVICON [$site_url]: $favicon_url\n";
 471
 472                 error_reporting(0);
 473
 474                 $icon_file = ICONS_DIR . "/$feed.ico";
 475
 476                 if ($favicon_url && !file_exists($icon_file)) {
 477                         $contents = fetch_file_contents($favicon_url);
 478
 479                         $fp = fopen($icon_file, "w");
 480
 481                         if ($fp) {
 482                                 fwrite($fp, $contents);
 483                                 fclose($fp);
 484                                 chmod($icon_file, 0644);
 485                         }
 486                 }
 487
 488                 error_reporting(DEFAULT_ERROR_LEVEL);
 489
 490         }
 491
 492         function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
 493
 494                 if (!$_GET["daemon"] && !$ignore_daemon) {
 495                         return false;
 496                 }
 497
 498                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 499                         _debug("update_rss_feed: start");
 500                 }
 501
 502                 if (!$ignore_daemon) {
 503
 504                         if (DB_TYPE == "pgsql") {
 505                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 506                                 } else {
 507                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 508                                 }
 509
 510                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 511                                 auth_pass,cache_images,update_method
 512                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 513
 514                 } else {
 515
 516                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 517                                 auth_pass,cache_images,update_method,hidden,last_updated
 518                                 FROM ttrss_feeds WHERE id = '$feed'");
 519
 520                 }
 521
 522                 if (db_num_rows($result) == 0) {
 523                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 524                                 _debug("update_rss_feed: feed $feed [$feed_url] NOT FOUND/SKIPPED");
 525                         }
 526                         return false;
 527                 }
 528
 529                 $hidden = sql_bool_to_bool(db_fetch_result($result, 0, "hidden"));
 530                 $update_method = db_fetch_result($result, 0, "update_method");
 531                 $last_updated = db_fetch_result($result, 0, "last_updated");
 532
 533                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 534                         WHERE id = '$feed'");
 535
 536                 $auth_login = db_fetch_result($result, 0, "auth_login");
 537                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 538
 539                 if (ALLOW_SELECT_UPDATE_METHOD) {
 540                         if (ENABLE_SIMPLEPIE) {
 541                                 $use_simplepie = $update_method != 1;
 542                         } else {
 543                                 $use_simplepie = $update_method == 2;
 544                         }
 545                 } else {
 546                         $use_simplepie = ENABLE_SIMPLEPIE;
 547                 }
 548
 549                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 550                         _debug("use simplepie: $use_simplepie (feed setting: $update_method)\n");
 551                 }
 552
 553                 if (!$use_simplepie) {
 554                         $auth_login = urlencode($auth_login);
 555                         $auth_pass = urlencode($auth_pass);
 556                 }
 557
 558                 $update_interval = db_fetch_result($result, 0, "update_interval");
 559                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 560
 561                 if ($update_interval < 0) { return; }
 562
 563                 $feed = db_escape_string($feed);
 564
 565                 $fetch_url = $feed_url;
 566
 567                 if ($auth_login && $auth_pass) {
 568                         $url_parts = array();
 569                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 570
 571                         if ($url_parts[1] && $url_parts[2]) {
 572                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 573                         }
 574
 575                 }
 576
 577                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 578                         _debug("update_rss_feed: fetching [$fetch_url]...");
 579                 }
 580
 581                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_GET['xdebug']) {
 582                         error_reporting(0);
 583                 }
 584
 585                 if (!$use_simplepie) {
 586                         $rss = fetch_rss($fetch_url);
 587                 } else {
 588                         if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 589                                 mkdir(SIMPLEPIE_CACHE_DIR);
 590                         }
 591
 592                         $rss = new SimplePie();
 593                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
 594 #                       $rss->set_timeout(10);
 595                         $rss->set_feed_url($fetch_url);
 596                         $rss->set_output_encoding('UTF-8');
 597
 598                         if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 599                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 600                                         _debug("enabling image cache");
 601                                 }
 602
 603                                 $rss->set_image_handler('./image.php', 'i');
 604                         }
 605
 606                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 607                                 _debug("feed update interval (sec): " .
 608                                         get_feed_update_interval($link, $feed)*60);
 609                         }
 610
 611                         if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 612                                 $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 613                                 $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 614                         }
 615
 616                         $rss->init();
 617                 }
 618
 619 //              print_r($rss);
 620
 621                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 622                         _debug("update_rss_feed: fetch done, parsing...");
 623                 } else {
 624                         error_reporting (DEFAULT_ERROR_LEVEL);
 625                 }
 626
 627                 $feed = db_escape_string($feed);
 628
 629                 if ($use_simplepie) {
 630                         $fetch_ok = !$rss->error();
 631                 } else {
 632                         $fetch_ok = !!$rss;
 633                 }
 634
 635                 if ($fetch_ok) {
 636
 637                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 638                                 _debug("update_rss_feed: processing feed data...");
 639                         }
 640
 641 //                      db_query($link, "BEGIN");
 642
 643                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 644                                 FROM ttrss_feeds WHERE id = '$feed'");
 645
 646                         $registered_title = db_fetch_result($result, 0, "title");
 647                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 648                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 649
 650                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 651
 652                         if ($use_simplepie) {
 653                                 $site_url = $rss->get_link();
 654                         } else {
 655                                 $site_url = $rss->channel["link"];
 656                         }
 657
 658                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
 659                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 660                                         _debug("update_rss_feed: checking favicon...");
 661                                 }
 662
 663                                 check_feed_favicon($site_url, $feed, $link);
 664                         }
 665
 666                         if (!$registered_title || $registered_title == "[Unknown]") {
 667
 668                                 if ($use_simplepie) {
 669                                         $feed_title = db_escape_string($rss->get_title());
 670                                 } else {
 671                                         $feed_title = db_escape_string($rss->channel["title"]);
 672                                 }
 673
 674                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 675                                         _debug("update_rss_feed: registering title: $feed_title");
 676                                 }
 677
 678                                 db_query($link, "UPDATE ttrss_feeds SET
 679                                         title = '$feed_title' WHERE id = '$feed'");
 680                         }
 681
 682                         // weird, weird Magpie
 683                         if (!$use_simplepie) {
 684                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 685                         }
 686
 687                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 688                                 db_query($link, "UPDATE ttrss_feeds SET
 689                                         site_url = '$site_url' WHERE id = '$feed'");
 690                         }
 691
 692 //                      print "I: " . $rss->channel["image"]["url"];
 693
 694                         if (!$use_simplepie) {
 695                                 $icon_url = $rss->image["url"];
 696                         } else {
 697                                 $icon_url = $rss->get_image_url();
 698                         }
 699
 700                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
 701                                 $icon_url = db_escape_string($icon_url);
 702                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 703                         }
 704
 705                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 706                                 _debug("update_rss_feed: loading filters...");
 707                         }
 708
 709                         $filters = load_filters($link, $feed, $owner_uid);
 710
 711                         if ($use_simplepie) {
 712                                 $iterator = $rss->get_items();
 713                         } else {
 714                                 $iterator = $rss->items;
 715                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 716                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 717                         }
 718
 719                         if (!is_array($iterator)) {
 720                                 /* db_query($link, "UPDATE ttrss_feeds
 721                                         SET last_error = 'Parse error: can\'t find any articles.'
 722                                         WHERE id = '$feed'"); */
 723
 724                                 // clear any errors and mark feed as updated if fetched okay
 725                                 // even if it's blank
 726
 727                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 728                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 729                                 }
 730
 731                                 db_query($link, "UPDATE ttrss_feeds
 732                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 733
 734                                 return; // no articles
 735                         }
 736
 737                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 738                                 _debug("update_rss_feed: processing articles...");
 739                         }
 740
 741                         foreach ($iterator as $item) {
 742
 743                                 if ($_GET['xdebug']) {
 744                                         print_r($item);
 745
 746                                 }
 747
 748                                 if ($use_simplepie) {
 749                                         $entry_guid = $item->get_id();
 750                                         if (!$entry_guid) $entry_guid = $item->get_link();
 751                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 752
 753                                 } else {
 754
 755                                         $entry_guid = $item["id"];
 756
 757                                         if (!$entry_guid) $entry_guid = $item["guid"];
 758                                         if (!$entry_guid) $entry_guid = $item["link"];
 759                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 760                                 }
 761
 762                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 763                                         _debug("update_rss_feed: guid $entry_guid");
 764                                 }
 765
 766                                 if (!$entry_guid) continue;
 767
 768                                 $entry_timestamp = "";
 769
 770                                 if ($use_simplepie) {
 771                                         $entry_timestamp = strtotime($item->get_date());
 772                                 } else {
 773                                         $rss_2_date = $item['pubdate'];
 774                                         $rss_1_date = $item['dc']['date'];
 775                                         $atom_date = $item['issued'];
 776                                         if (!$atom_date) $atom_date = $item['updated'];
 777
 778                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 779                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 780                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 781                                 }
 782
 783                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 784                                         $entry_timestamp = time();
 785                                         $no_orig_date = 'true';
 786                                 } else {
 787                                         $no_orig_date = 'false';
 788                                 }
 789
 790                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 791
 792                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 793                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
 794                                 }
 795
 796                                 if ($use_simplepie) {
 797                                         $entry_title = $item->get_title();
 798                                 } else {
 799                                         $entry_title = trim(strip_tags($item["title"]));
 800                                 }
 801
 802                                 if ($use_simplepie) {
 803                                         $entry_link = $item->get_link();
 804                                 } else {
 805                                         // strange Magpie workaround
 806                                         $entry_link = $item["link_"];
 807                                         if (!$entry_link) $entry_link = $item["link"];
 808                                 }
 809
 810                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 811                                         _debug("update_rss_feed: title $entry_title");
 812                                 }
 813
 814                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 815
 816                                 $entry_link = strip_tags($entry_link);
 817
 818                                 if ($use_simplepie) {
 819                                         $entry_content = $item->get_content();
 820                                         if (!$entry_content) $entry_content = $item->get_description();
 821                                 } else {
 822                                         $entry_content = $item["content:escaped"];
 823
 824                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 825                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 826                                         if (!$entry_content) $entry_content = $item["content"];
 827
 828                                         // Magpie bugs are getting ridiculous
 829                                         if (trim($entry_content) == "Array") $entry_content = false;
 830
 831                                         if (!$entry_content) $entry_content = $item["atom_content"];
 832                                         if (!$entry_content) $entry_content = $item["summary"];
 833
 834                                         if (!$entry_content ||
 835                                                 strlen($entry_content) < strlen($item["description"])) {
 836                                                         $entry_content = $item["description"];
 837                                         };
 838
 839                                         // WTF
 840                                         if (is_array($entry_content)) {
 841                                                 $entry_content = $entry_content["encoded"];
 842                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 843                                         }
 844                                 }
 845
 846                                 if ($_GET["xdebug"]) {
 847                                         print "update_rss_feed: content: ";
 848                                         print_r(htmlspecialchars($entry_content));
 849                                 }
 850
 851                                 $entry_content_unescaped = $entry_content;
 852
 853                                 if ($use_simplepie) {
 854                                         $entry_comments = strip_tags($item->data["comments"]);
 855                                         if ($item->get_author()) {
 856                                                 $entry_author_item = $item->get_author();
 857                                                 $entry_author = $entry_author_item->get_name();
 858                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 859
 860                                                 $entry_author = db_escape_string($entry_author);
 861                                         }
 862                                 } else {
 863                                         $entry_comments = strip_tags($item["comments"]);
 864
 865                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 866
 867                                         if ($item['author']) {
 868
 869                                                 if (is_array($item['author'])) {
 870
 871                                                         if (!$entry_author) {
 872                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 873                                                         }
 874
 875                                                         if (!$entry_author) {
 876                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 877                                                         }
 878                                                 }
 879
 880                                                 if (!$entry_author) {
 881                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 882                                                 }
 883                                         }
 884                                 }
 885
 886                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 887
 888                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 889                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 890
 891                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 892                                         WHERE guid = '$entry_guid'");
 893
 894                                 $entry_content = db_escape_string($entry_content);
 895
 896                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 897
 898                                 $entry_title = db_escape_string($entry_title);
 899                                 $entry_link = db_escape_string($entry_link);
 900                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 901                                 $entry_author = mb_substr($entry_author, 0, 250);
 902
 903                                 if ($use_simplepie) {
 904                                         $num_comments = 0; #FIXME#
 905                                 } else {
 906                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 907                                 }
 908
 909                                 if (!$num_comments) $num_comments = 0;
 910
 911                                 // parse <category> entries into tags
 912
 913                                 if ($use_simplepie) {
 914
 915                                         $additional_tags = array();
 916                                         $additional_tags_src = $item->get_categories();
 917
 918                                         if (is_array($additional_tags_src)) {
 919                                                 foreach ($additional_tags_src as $tobj) {
 920                                                         array_push($additional_tags, $tobj->get_term());
 921                                                 }
 922                                         }
 923
 924                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 925                                                 _debug("update_rss_feed: category tags:");
 926                                                 print_r($additional_tags);
 927                                         }
 928
 929                                 } else {
 930
 931                                         $t_ctr = $item['category#'];
 932
 933                                         $additional_tags = false;
 934
 935                                         if ($t_ctr == 0) {
 936                                                 $additional_tags = false;
 937                                         } else if ($t_ctr > 0) {
 938                                                 $additional_tags = array($item['category']);
 939
 940                                                 if ($item['category@term']) {
 941                                                         array_push($additional_tags, $item['category@term']);
 942                                                 }
 943
 944                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 945                                                         if ($item["category#$i"]) {
 946                                                                 array_push($additional_tags, $item["category#$i"]);
 947                                                         }
 948
 949                                                         if ($item["category#$i@term"]) {
 950                                                                 array_push($additional_tags, $item["category#$i@term"]);
 951                                                         }
 952                                                 }
 953                                         }
 954
 955                                         // parse <dc:subject> elements
 956
 957                                         $t_ctr = $item['dc']['subject#'];
 958
 959                                         if ($t_ctr > 0) {
 960                                                 $additional_tags = array($item['dc']['subject']);
 961
 962                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 963                                                         if ($item['dc']["subject#$i"]) {
 964                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
 965                                                         }
 966                                                 }
 967                                         }
 968                                 }
 969
 970                                 // enclosures
 971
 972                                 $enclosures = array();
 973
 974                                 if ($use_simplepie) {
 975                                         $encs = $item->get_enclosures();
 976
 977                                         if (is_array($encs)) {
 978                                                 foreach ($encs as $e) {
 979                                                         $e_item = array(
 980                                                                 $e->link, $e->type, $e->length);
 981
 982                                                         array_push($enclosures, $e_item);
 983                                                 }
 984                                         }
 985
 986                                 } else {
 987                                         // <enclosure>
 988
 989                                         $e_ctr = $item['enclosure#'];
 990
 991                                         if ($e_ctr > 0) {
 992                                                 $e_item = array($item['enclosure@url'],
 993                                                         $item['enclosure@type'],
 994                                                         $item['enclosure@length']);
 995
 996                                                 array_push($enclosures, $e_item);
 997
 998                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
 999
1000                                                         if ($item["enclosure#$i@url"]) {
1001                                                                 $e_item = array($item["enclosure#$i@url"],
1002                                                                         $item["enclosure#$i@type"],
1003                                                                         $item["enclosure#$i@length"]);
1004                                                                 array_push($enclosures, $e_item);
1005                                                         }
1006                                                 }
1007                                         }
1008
1009                                         // <media:content>
1010                                         // can there be many of those? yes -fox
1011
1012                                         $m_ctr = $item['media']['content#'];
1013
1014                                         if ($m_ctr > 0) {
1015                                                 $e_item = array($item['media']['content@url'],
1016                                                         $item['media']['content@medium'],
1017                                                         $item['media']['content@length']);
1018
1019                                                 array_push($enclosures, $e_item);
1020
1021                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1022
1023                                                         if ($item["media"]["content#$i@url"]) {
1024                                                                 $e_item = array($item["media"]["content#$i@url"],
1025                                                                         $item["media"]["content#$i@medium"],
1026                                                                         $item["media"]["content#$i@length"]);
1027                                                                 array_push($enclosures, $e_item);
1028                                                         }
1029                                                 }
1030
1031                                         }
1032                                 }
1033
1034                                 # sanitize content
1035
1036                                 $entry_content = sanitize_article_content($entry_content);
1037                                 $entry_title = sanitize_article_content($entry_title);
1038
1039                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1040                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1041                                 }
1042
1043                                 db_query($link, "BEGIN");
1044
1045                                 if (db_num_rows($result) == 0) {
1046
1047                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1048                                                 _debug("update_rss_feed: base guid not found");
1049                                         }
1050
1051                                         // base post entry does not exist, create it
1052
1053                                         $result = db_query($link,
1054                                                 "INSERT INTO ttrss_entries
1055                                                         (title,
1056                                                         guid,
1057                                                         link,
1058                                                         updated,
1059                                                         content,
1060                                                         content_hash,
1061                                                         no_orig_date,
1062                                                         date_entered,
1063                                                         comments,
1064                                                         num_comments,
1065                                                         author)
1066                                                 VALUES
1067                                                         ('$entry_title',
1068                                                         '$entry_guid',
1069                                                         '$entry_link',
1070                                                         '$entry_timestamp_fmt',
1071                                                         '$entry_content',
1072                                                         '$content_hash',
1073                                                         $no_orig_date,
1074                                                         NOW(),
1075                                                         '$entry_comments',
1076                                                         '$num_comments',
1077                                                         '$entry_author')");
1078                                 } else {
1079                                         // we keep encountering the entry in feeds, so we need to
1080                                         // update date_entered column so that we don't get horrible
1081                                         // dupes when the entry gets purged and reinserted again e.g.
1082                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1083
1084                                         $base_entry_id = db_fetch_result($result, 0, "id");
1085
1086                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
1087                                                 WHERE id = '$base_entry_id'");
1088                                 }
1089
1090                                 // now it should exist, if not - bad luck then
1091
1092                                 $result = db_query($link, "SELECT
1093                                                 id,content_hash,no_orig_date,title,
1094                                                 ".SUBSTRING_FOR_DATE."(date_entered,1,19) as date_entered,
1095                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1096                                                 num_comments
1097                                         FROM
1098                                                 ttrss_entries
1099                                         WHERE guid = '$entry_guid'");
1100
1101                                 $entry_ref_id = 0;
1102                                 $entry_int_id = 0;
1103
1104                                 if (db_num_rows($result) == 1) {
1105
1106                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1107                                                 _debug("update_rss_feed: base guid found, checking for user record");
1108                                         }
1109
1110                                         // this will be used below in update handler
1111                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1112                                         $orig_title = db_fetch_result($result, 0, "title");
1113                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1114                                         $orig_date_entered = strtotime(db_fetch_result($result,
1115                                                 0, "date_entered"));
1116
1117                                         $ref_id = db_fetch_result($result, 0, "id");
1118                                         $entry_ref_id = $ref_id;
1119
1120                                         // check for user post link to main table
1121
1122                                         // do we allow duplicate posts with same GUID in different feeds?
1123                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1124                                                 $dupcheck_qpart = "AND feed_id = '$feed'";
1125                                         } else {
1126                                                 $dupcheck_qpart = "";
1127                                         }
1128
1129 //                                      error_reporting(0);
1130
1131                                         $article_filters = get_article_filters($filters, $entry_title,
1132                                                         $entry_content, $entry_link, $entry_timestamp);
1133
1134                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1135                                                 _debug("update_rss_feed: article filters: ");
1136                                                 if (count($article_filters) != 0) {
1137                                                         print_r($article_filters);
1138                                                 }
1139                                         }
1140
1141                                         if (find_article_filter($article_filters, "filter")) {
1142                                                 db_query($link, "COMMIT"); // close transaction in progress
1143                                                 continue;
1144                                         }
1145
1146 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
1147
1148                                         $score = calculate_article_score($article_filters);
1149
1150                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1151                                                 _debug("update_rss_feed: initial score: $score");
1152                                         }
1153
1154                                         $result = db_query($link,
1155                                                 "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1156                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1157                                                         $dupcheck_qpart");
1158
1159                                         // okay it doesn't exist - create user entry
1160                                         if (db_num_rows($result) == 0) {
1161
1162                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1163                                                         _debug("update_rss_feed: user record not found, creating...");
1164                                                 }
1165
1166                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1167                                                         $unread = 'true';
1168                                                         $last_read_qpart = 'NULL';
1169                                                 } else {
1170                                                         $unread = 'false';
1171                                                         $last_read_qpart = 'NOW()';
1172                                                 }
1173
1174                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1175                                                         $marked = 'true';
1176                                                 } else {
1177                                                         $marked = 'false';
1178                                                 }
1179
1180                                                 if (find_article_filter($article_filters, 'publish')) {
1181                                                         $published = 'true';
1182                                                 } else {
1183                                                         $published = 'false';
1184                                                 }
1185
1186                                                 $result = db_query($link,
1187                                                         "INSERT INTO ttrss_user_entries
1188                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1189                                                                         published, score)
1190                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1191                                                                 $last_read_qpart, $marked, $published, '$score')");
1192
1193                                                 $result = db_query($link,
1194                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1195                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1196                                                                 feed_id = '$feed' LIMIT 1");
1197
1198                                                 if (db_num_rows($result) == 1) {
1199                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1200                                                 }
1201                                         } else {
1202                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1203                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1204                                         }
1205
1206                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1207                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1208                                         }
1209
1210                                         $post_needs_update = false;
1211
1212                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1213                                                 ($content_hash != $orig_content_hash)) {
1214 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1215                                                 $post_needs_update = true;
1216                                         }
1217
1218                                         if (db_escape_string($orig_title) != $entry_title) {
1219                                                 $post_needs_update = true;
1220                                         }
1221
1222                                         if ($orig_num_comments != $num_comments) {
1223                                                 $post_needs_update = true;
1224                                         }
1225
1226 //                                      this doesn't seem to be very reliable
1227 //
1228 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1229 //                                              $post_needs_update = true;
1230 //                                      }
1231
1232                                         // if post needs update, update it and mark all user entries
1233                                         // linking to this post as updated
1234                                         if ($post_needs_update) {
1235
1236                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1237                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1238                                                 }
1239
1240 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1241
1242                                                 db_query($link, "UPDATE ttrss_entries
1243                                                         SET title = '$entry_title', content = '$entry_content',
1244                                                                 content_hash = '$content_hash',
1245                                                                 num_comments = '$num_comments'
1246                                                         WHERE id = '$ref_id'");
1247
1248                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1249                                                         db_query($link, "UPDATE ttrss_user_entries
1250                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1251                                                 } else {
1252                                                         db_query($link, "UPDATE ttrss_user_entries
1253                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1254                                                 }
1255
1256                                         }
1257                                 }
1258
1259                                 db_query($link, "COMMIT");
1260
1261                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1262                                         _debug("update_rss_feed: assigning labels...");
1263                                 }
1264
1265                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1266                                         $owner_uid);
1267
1268                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1269                                         _debug("update_rss_feed: looking for enclosures...");
1270                                 }
1271
1272                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1273                                         print_r($enclosures);
1274                                 }
1275
1276                                 db_query($link, "BEGIN");
1277
1278                                 foreach ($enclosures as $enc) {
1279                                         $enc_url = db_escape_string($enc[0]);
1280                                         $enc_type = db_escape_string($enc[1]);
1281                                         $enc_dur = db_escape_string($enc[2]);
1282
1283                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1284                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1285
1286                                         if (db_num_rows($result) == 0) {
1287                                                 db_query($link, "INSERT INTO ttrss_enclosures
1288                                                         (content_url, content_type, title, duration, post_id) VALUES
1289                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1290                                         }
1291                                 }
1292
1293                                 db_query($link, "COMMIT");
1294
1295                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1296                                         _debug("update_rss_feed: looking for tags...");
1297                                 }
1298
1299                                 /* taaaags */
1300                                 // <a href="..." rel="tag">Xorg</a>, //
1301
1302                                 $entry_tags = null;
1303
1304                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
1305                                         $entry_content_unescaped, $entry_tags);
1306
1307 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1308                                 print_r($entry_tags);
1309                                 print "<br/></p>"; */
1310
1311                                 $entry_tags = $entry_tags[1];
1312
1313                                 # check for manual tags
1314
1315                                 $tag_filter = find_article_filter($article_filters, "tag");
1316
1317                                 if ($tag_filter) {
1318
1319                                         $manual_tags = trim_array(split(",", $tag_filter[1]));
1320
1321                                         foreach ($manual_tags as $tag) {
1322                                                 if (tag_is_valid($tag)) {
1323                                                         array_push($entry_tags, $tag);
1324                                                 }
1325                                         }
1326                                 }
1327
1328                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1329                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1330
1331                                 if ($additional_tags && is_array($additional_tags)) {
1332                                         foreach ($additional_tags as $tag) {
1333                                                 if (tag_is_valid($tag) &&
1334                                                                 array_search($tag, $boring_tags) === FALSE) {
1335                                                         array_push($entry_tags, $tag);
1336                                                 }
1337                                         }
1338                                 }
1339
1340 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1341
1342                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1343                                         print_r($entry_tags);
1344                                 }
1345
1346                                 if (count($entry_tags) > 0) {
1347
1348                                         db_query($link, "BEGIN");
1349
1350                                                 foreach ($entry_tags as $tag) {
1351
1352                                                         $tag = sanitize_tag($tag);
1353                                                         $tag = db_escape_string($tag);
1354
1355                                                         if (!tag_is_valid($tag)) continue;
1356
1357                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
1358                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1359                                                                 owner_uid = '$owner_uid' LIMIT 1");
1360
1361         //                                              print db_fetch_result($result, 0, "id");
1362
1363                                                         if ($result && db_num_rows($result) == 0) {
1364
1365                                                                 db_query($link, "INSERT INTO ttrss_tags
1366                                                                         (owner_uid,tag_name,post_int_id)
1367                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1368                                                         }
1369                                                 }
1370
1371                                         db_query($link, "COMMIT");
1372                                 }
1373
1374                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1375                                         _debug("update_rss_feed: article processed");
1376                                 }
1377                         }
1378
1379                         if (!$last_updated) {
1380                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1381                                         _debug("update_rss_feed: new feed, catching it up...");
1382                                 }
1383                                 catchup_feed($link, $feed, false);
1384                         }
1385
1386                         if (!$hidden) {
1387                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1388                                         _debug("update_rss_feed: updating counters cache...");
1389                                 }
1390
1391                                 // disabled, purge_feed() does that...
1392                                 //ccache_update($link, $feed, $owner_uid);
1393                         }
1394
1395                         purge_feed($link, $feed, 0);
1396
1397                         db_query($link, "UPDATE ttrss_feeds
1398                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1399
1400 //                      db_query($link, "COMMIT");
1401
1402                 } else {
1403
1404                         if ($use_simplepie) {
1405                                 $error_msg = mb_substr($rss->error(), 0, 250);
1406                         } else {
1407                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1408                         }
1409
1410                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1411                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1412                         }
1413
1414                         $error_msg = db_escape_string($error_msg);
1415
1416                         db_query($link,
1417                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1418                                         last_updated = NOW() WHERE id = '$feed'");
1419                 }
1420
1421                 if ($use_simplepie) {
1422                         unset($rss);
1423                 }
1424
1425                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1426                         _debug("update_rss_feed: done");
1427                 }
1428
1429         }
1430
1431         function print_select($id, $default, $values, $attributes = "") {
1432                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1433                 foreach ($values as $v) {
1434                         if ($v == $default)
1435                                 $sel = " selected";
1436                          else
1437                                 $sel = "";
1438
1439                         print "<option$sel>$v</option>";
1440                 }
1441                 print "</select>";
1442         }
1443
1444         function print_select_hash($id, $default, $values, $attributes = "") {
1445                 print "<select name=\"$id\" id='$id' $attributes>";
1446                 foreach (array_keys($values) as $v) {
1447                         if ($v == $default)
1448                                 $sel = 'selected="selected"';
1449                          else
1450                                 $sel = "";
1451
1452                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1453                 }
1454
1455                 print "</select>";
1456         }
1457
1458         function get_article_filters($filters, $title, $content, $link, $timestamp) {
1459                 $matches = array();
1460
1461                 if ($filters["title"]) {
1462                         foreach ($filters["title"] as $filter) {
1463                                 $reg_exp = $filter["reg_exp"];
1464                                 $inverse = $filter["inverse"];
1465                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
1466                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1467
1468                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1469                                 }
1470                         }
1471                 }
1472
1473                 if ($filters["content"]) {
1474                         foreach ($filters["content"] as $filter) {
1475                                 $reg_exp = $filter["reg_exp"];
1476                                 $inverse = $filter["inverse"];
1477
1478                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
1479                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1480
1481                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1482                                 }
1483                         }
1484                 }
1485
1486                 if ($filters["both"]) {
1487                         foreach ($filters["both"] as $filter) {
1488                                 $reg_exp = $filter["reg_exp"];
1489                                 $inverse = $filter["inverse"];
1490
1491                                 if ($inverse) {
1492                                         if (!preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1493                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1494                                         }
1495                                 } else {
1496                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1497                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1498                                         }
1499                                 }
1500                         }
1501                 }
1502
1503                 if ($filters["link"]) {
1504                         $reg_exp = $filter["reg_exp"];
1505                         foreach ($filters["link"] as $filter) {
1506                                 $reg_exp = $filter["reg_exp"];
1507                                 $inverse = $filter["inverse"];
1508
1509                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1510                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1511
1512                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1513                                 }
1514                         }
1515                 }
1516
1517                 if ($filters["date"]) {
1518                         $reg_exp = $filter["reg_exp"];
1519                         foreach ($filters["date"] as $filter) {
1520                                 $date_modifier = $filter["filter_param"];
1521                                 $inverse = $filter["inverse"];
1522                                 $check_timestamp = strtotime($filter["reg_exp"]);
1523
1524                                 # no-op when timestamp doesn't parse to prevent misfires
1525
1526                                 if ($check_timestamp) {
1527                                         $match_ok = false;
1528
1529                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1530                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1531                                                         $match_ok = true;
1532                                         }
1533
1534                                         if ($inverse) $match_ok = !$match_ok;
1535
1536                                         if ($match_ok) {
1537                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1538                                         }
1539                                 }
1540                         }
1541                 }
1542
1543                 return $matches;
1544         }
1545
1546         function find_article_filter($filters, $filter_name) {
1547                 foreach ($filters as $f) {
1548                         if ($f[0] == $filter_name) {
1549                                 return $f;
1550                         };
1551                 }
1552                 return false;
1553         }
1554
1555         function calculate_article_score($filters) {
1556                 $score = 0;
1557
1558                 foreach ($filters as $f) {
1559                         if ($f[0] == "score") {
1560                                 $score += $f[1];
1561                         };
1562                 }
1563                 return $score;
1564         }
1565
1566         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1567                 foreach ($filters as $f) {
1568                         if ($f[0] == "label") {
1569                                 label_add_article($link, $id, $f[1], $owner_uid);
1570                         };
1571                 }
1572         }
1573
1574         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1575                 $rtl_content = false, $last_updated = false, $last_error = false,
1576                 $fg_content = false, $bg_content = false) {
1577
1578                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1579                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1580                 } else {
1581                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1582                 }
1583
1584                 if ($rtl_content) {
1585                         $rtl_tag = "dir=\"rtl\"";
1586                 } else {
1587                         $rtl_tag = "dir=\"ltr\"";
1588                 }
1589
1590                 $error_notify_msg = "";
1591
1592                 if ($last_error) {
1593                         $link_title = "Error: $last_error ($last_updated)";
1594                         $error_notify_msg = "(Error)";
1595                 } else if ($last_updated) {
1596                         $link_title = "Updated: $last_updated";
1597                 }
1598
1599                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\"
1600                         href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
1601
1602 /*              if ($feed_id < -10) {
1603                         $bg_color = "#00ccff";
1604                         $fg_color = "white";
1605                 }
1606
1607                 if ($fg_color || $bg_color) {
1608                         $color_str = "<div class='labelColorIndicator'
1609                                 style='color : $fg_color; background-color : $bg_color'>l</div>";
1610                 }
1611
1612                 print $color_str; */
1613
1614                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1615                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1616                         print "$feed_icon";
1617                 }
1618
1619                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1620
1621                 if ($unread != 0) {
1622                         $fctr_class = "class=\"feedCtrHasUnread\"";
1623                 } else {
1624                         $fctr_class = "class=\"feedCtrNoUnread\"";
1625                 }
1626
1627                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1628                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1629
1630                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1631                         $total = getFeedArticles($link, $feed_id);
1632                         print "<div class=\"feedExtInfo\">
1633                                 <span id=\"FLUPD-$feed_id\">$last_updated ($total total) $error_notify_msg</span></div>";
1634                 }
1635
1636                 print "</li>";
1637
1638         }
1639
1640         function getmicrotime() {
1641                 list($usec, $sec) = explode(" ",microtime());
1642                 return ((float)$usec + (float)$sec);
1643         }
1644
1645         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1646                 foreach ($values as $v) {
1647
1648                         if ($v == $default)
1649                                 $sel = "checked";
1650                          else
1651                                 $sel = "";
1652
1653                         if ($v == $true_is) {
1654                                 $sel .= " value=\"1\"";
1655                         } else {
1656                                 $sel .= " value=\"0\"";
1657                         }
1658
1659                         print "<input class=\"noborder\"
1660                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1661
1662                 }
1663         }
1664
1665         function initialize_user_prefs($link, $uid) {
1666
1667                 $uid = db_escape_string($uid);
1668
1669                 db_query($link, "BEGIN");
1670
1671                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1672
1673                 $u_result = db_query($link, "SELECT pref_name
1674                         FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
1675
1676                 $active_prefs = array();
1677
1678                 while ($line = db_fetch_assoc($u_result)) {
1679                         array_push($active_prefs, $line["pref_name"]);
1680                 }
1681
1682                 while ($line = db_fetch_assoc($result)) {
1683                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1684 //                              print "adding " . $line["pref_name"] . "<br>";
1685
1686                                 db_query($link, "INSERT INTO ttrss_user_prefs
1687                                         (owner_uid,pref_name,value) VALUES
1688                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1689
1690                         }
1691                 }
1692
1693                 db_query($link, "COMMIT");
1694
1695         }
1696
1697         function lookup_user_id($link, $user) {
1698
1699                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1700                         login = '$login'");
1701
1702                 if (db_num_rows($result) == 1) {
1703                         return db_fetch_result($result, 0, "id");
1704                 } else {
1705                         return false;
1706                 }
1707         }
1708
1709         function http_authenticate_user($link) {
1710
1711                 error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1712
1713                 if (!$_SERVER["PHP_AUTH_USER"]) {
1714
1715                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1716                         header('HTTP/1.0 401 Unauthorized');
1717                         exit;
1718
1719                 } else {
1720                         $auth_result = authenticate_user($link,
1721                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1722
1723                         if (!$auth_result) {
1724                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1725                                 header('HTTP/1.0 401 Unauthorized');
1726                                 exit;
1727                         }
1728                 }
1729
1730                 return true;
1731         }
1732
1733         function authenticate_user($link, $login, $password, $force_auth = false) {
1734
1735                 if (!SINGLE_USER_MODE) {
1736
1737                         $pwd_hash1 = encrypt_password($password);
1738                         $pwd_hash2 = encrypt_password($password, $login);
1739
1740                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1741                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1742
1743                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1744
1745                                 $query = "SELECT id,login,access_level,pwd_hash
1746                     FROM ttrss_users WHERE
1747                                         login = '$login'";
1748
1749                         } else {
1750                                 $query = "SELECT id,login,access_level,pwd_hash
1751                     FROM ttrss_users WHERE
1752                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1753                                                 pwd_hash = '$pwd_hash2')";
1754                         }
1755
1756                         $result = db_query($link, $query);
1757
1758                         if (db_num_rows($result) == 1) {
1759                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1760                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1761                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1762
1763                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1764                                         $_SESSION["uid"]);
1765
1766                                 $user_theme = get_user_theme_path($link);
1767
1768                                 $_SESSION["theme"] = $user_theme;
1769                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1770                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1771
1772                                 initialize_user_prefs($link, $_SESSION["uid"]);
1773
1774                                 return true;
1775                         }
1776
1777                         return false;
1778
1779                 } else {
1780
1781                         $_SESSION["uid"] = 1;
1782                         $_SESSION["name"] = "admin";
1783
1784                         $user_theme = get_user_theme_path($link);
1785
1786                         $_SESSION["theme"] = $user_theme;
1787                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1788
1789                         initialize_user_prefs($link, $_SESSION["uid"]);
1790
1791                         return true;
1792                 }
1793         }
1794
1795         function make_password($length = 8) {
1796
1797                 $password = "";
1798                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1799
1800         $i = 0;
1801
1802                 while ($i < $length) {
1803                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1804
1805                         if (!strstr($password, $char)) {
1806                                 $password .= $char;
1807                                 $i++;
1808                         }
1809                 }
1810                 return $password;
1811         }
1812
1813         // this is called after user is created to initialize default feeds, labels
1814         // or whatever else
1815
1816         // user preferences are checked on every login, not here
1817
1818         function initialize_user($link, $uid) {
1819
1820 /*              db_query($link, "INSERT INTO ttrss_labels2 (owner_uid, caption)
1821                         VALUES ('$uid', 'All Articles')");
1822
1823                 db_query($link, "INSERT INTO ttrss_filters
1824                         (owner_uid, feed_id, filter_type, reg_exp, enabled,
1825                                 action_id, action_param, filter_param)
1826                         VALUES ('$uid', NULL, 1, '.', true, 7, 'All Articles', 'before')"); */
1827
1828                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1829                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1830                         'http://tt-rss.org/releases.rss')");
1831
1832                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1833                         values ('$uid', 'Tiny Tiny RSS: Forum',
1834                         'http://tt-rss.org/forum/rss.php')");
1835         }
1836
1837         function logout_user() {
1838                 session_destroy();
1839                 if (isset($_COOKIE[session_name()])) {
1840                    setcookie(session_name(), '', time()-42000, '/');
1841                 }
1842         }
1843
1844         function get_script_urlpath() {
1845                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1846         }
1847
1848         function validate_session($link) {
1849                 if (SINGLE_USER_MODE) {
1850                         return true;
1851                 }
1852
1853                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1854                         if ($_SESSION["ip_address"]) {
1855                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1856                                         $_SESSION["login_error_msg"] = "Session failed to validate (incorrect IP)";
1857                                         return false;
1858                                 }
1859                         }
1860                 }
1861
1862                 if ($_SESSION["uid"]) {
1863
1864                         $result = db_query($link,
1865                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1866
1867                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1868
1869                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1870                                 return false;
1871                         }
1872                 }
1873
1874 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1875
1876                         //print_r($_SESSION);
1877
1878                         if (time() > $_SESSION["cookie_lifetime"]) {
1879                                 return false;
1880                         }
1881                 } */
1882
1883                 return true;
1884         }
1885
1886         function login_sequence($link, $mobile = false) {
1887                 if (!SINGLE_USER_MODE) {
1888
1889                         if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1890                                 $swu = db_escape_string($_REQUEST["swu"]);
1891                                 if ($swu) {
1892                                         $_SESSION["prefs_cache"] = false;
1893                                         return authenticate_user($link, $swu, null, true);
1894                                 }
1895                         }
1896
1897                         $login_action = $_POST["login_action"];
1898
1899                         # try to authenticate user if called from login form
1900                         if ($login_action == "do_login") {
1901                                 $login = $_POST["login"];
1902                                 $password = $_POST["password"];
1903                                 $remember_me = $_POST["remember_me"];
1904
1905                                 if (authenticate_user($link, $login, $password)) {
1906                                         $_POST["password"] = "";
1907
1908                                         $_SESSION["language"] = $_POST["language"];
1909                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
1910
1911                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1912                                         exit;
1913
1914                                         return;
1915                                 } else {
1916                                         $_SESSION["login_error_msg"] = "Incorrect username or password";
1917                                 }
1918                         }
1919
1920                         if (!$_SESSION["uid"] || !validate_session($link)) {
1921                                 render_login_form($link, $mobile);
1922                                 exit;
1923                         } else {
1924                                 /* bump login timestamp */
1925                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1926                                         $_SESSION["uid"]);
1927
1928                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1929                                         setcookie("ttrss_lang", $_SESSION["language"],
1930                                                 time() + SESSION_COOKIE_LIFETIME);
1931                                 }
1932
1933                                 /* bump counters stamp since we're getting reloaded anyway */
1934
1935                                 $_SESSION["get_all_counters_stamp"] = time();
1936                         }
1937
1938                 } else {
1939                         return authenticate_user($link, "admin", null);
1940                 }
1941         }
1942
1943         function truncate_string($str, $max_len) {
1944                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1945                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
1946                 } else {
1947                         return $str;
1948                 }
1949         }
1950
1951         function get_user_theme_path($link) {
1952                 $result = db_query($link, "SELECT theme_path
1953                         FROM
1954                                 ttrss_themes,ttrss_users
1955                         WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1956                 if (db_num_rows($result) != 0) {
1957                         return db_fetch_result($result, 0, "theme_path");
1958                 } else {
1959                         return null;
1960                 }
1961         }
1962
1963         function smart_date_time($timestamp) {
1964                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1965                         return date("G:i", $timestamp);
1966                 } else if (date("Y", $timestamp) == date("Y")) {
1967                         return date("M d, G:i", $timestamp);
1968                 } else {
1969                         return date("Y/m/d, G:i", $timestamp);
1970                 }
1971         }
1972
1973         function smart_date($timestamp) {
1974                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1975                         return "Today";
1976                 } else if (date("Y", $timestamp) == date("Y")) {
1977                         return date("D m", $timestamp);
1978                 } else {
1979                         return date("Y/m/d", $timestamp);
1980                 }
1981         }
1982
1983         function sql_bool_to_string($s) {
1984                 if ($s == "t" || $s == "1") {
1985                         return "true";
1986                 } else {
1987                         return "false";
1988                 }
1989         }
1990
1991         function sql_bool_to_bool($s) {
1992                 if ($s == "t" || $s == "1") {
1993                         return true;
1994                 } else {
1995                         return false;
1996                 }
1997         }
1998
1999         function bool_to_sql_bool($s) {
2000                 if ($s) {
2001                         return "true";
2002                 } else {
2003                         return "false";
2004                 }
2005         }
2006
2007         function toggleEvenOdd($a) {
2008                 if ($a == "even")
2009                         return "odd";
2010                 else
2011                         return "even";
2012         }
2013
2014         function sanity_check($link) {
2015
2016                 error_reporting(0);
2017
2018                 $error_code = 0;
2019                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2020                 $schema_version = db_fetch_result($result, 0, "schema_version");
2021
2022                 if ($schema_version != SCHEMA_VERSION) {
2023                         $error_code = 5;
2024                 }
2025
2026                 if (DB_TYPE == "mysql") {
2027                         $result = db_query($link, "SELECT true", false);
2028                         if (db_num_rows($result) != 1) {
2029                                 $error_code = 10;
2030                         }
2031                 }
2032
2033                 if (db_escape_string("testTEST") != "testTEST") {
2034                         $error_code = 12;
2035                 }
2036
2037                 error_reporting (DEFAULT_ERROR_LEVEL);
2038
2039                 if ($error_code != 0) {
2040                         print_error_xml($error_code);
2041                         return false;
2042                 } else {
2043                         return true;
2044                 }
2045         }
2046
2047         function file_is_locked($filename) {
2048                 if (function_exists('flock')) {
2049                         error_reporting(0);
2050                         $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2051                         error_reporting(DEFAULT_ERROR_LEVEL);
2052                         if ($fp) {
2053                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2054                                         flock($fp, LOCK_UN);
2055                                         fclose($fp);
2056                                         return false;
2057                                 }
2058                                 fclose($fp);
2059                                 return true;
2060                         } else {
2061                                 return false;
2062                         }
2063                 }
2064                 return true; // consider the file always locked and skip the test
2065         }
2066
2067         function make_lockfile($filename) {
2068                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2069
2070                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2071                         return $fp;
2072                 } else {
2073                         return false;
2074                 }
2075         }
2076
2077         function make_stampfile($filename) {
2078                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2079
2080                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2081                         fwrite($fp, time() . "\n");
2082                         flock($fp, LOCK_UN);
2083                         fclose($fp);
2084                         return true;
2085                 } else {
2086                         return false;
2087                 }
2088         }
2089
2090         function read_stampfile($filename) {
2091
2092                 error_reporting(0);
2093                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2094                 error_reporting (DEFAULT_ERROR_LEVEL);
2095
2096                 if ($fp) {
2097                         if (flock($fp, LOCK_EX)) {
2098                                 $stamp = fgets($fp);
2099                                 flock($fp, LOCK_UN);
2100                                 fclose($fp);
2101                                 return $stamp;
2102                         } else {
2103                                 return false;
2104                         }
2105                 } else {
2106                         return false;
2107                 }
2108         }
2109
2110         function sql_random_function() {
2111                 if (DB_TYPE == "mysql") {
2112                         return "RAND()";
2113                 } else {
2114                         return "RANDOM()";
2115                 }
2116         }
2117
2118         function catchup_feed($link, $feed, $cat_view) {
2119
2120                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2121
2122                                 if ($cat_view) {
2123
2124                                         if ($feed >= 0) {
2125
2126                                                 if ($feed > 0) {
2127                                                         $cat_qpart = "cat_id = '$feed'";
2128                                                 } else {
2129                                                         $cat_qpart = "cat_id IS NULL";
2130                                                 }
2131
2132                                                 $tmp_result = db_query($link, "SELECT id
2133                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " .
2134                                                         $_SESSION["uid"]);
2135
2136                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2137
2138                                                         $tmp_feed = $tmp_line["id"];
2139
2140                                                         db_query($link, "UPDATE ttrss_user_entries
2141                                                                 SET unread = false,last_read = NOW()
2142                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
2143                                                 }
2144                                         } else if ($feed == -2) {
2145
2146                                                 /* FIXME catchup for all labels vfeed */
2147                                         }
2148
2149                                 } else if ($feed > 0) {
2150
2151                                         $tmp_result = db_query($link, "SELECT id
2152                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2153                                                 ORDER BY cat_id,title");
2154
2155                                         $parent_ids = array();
2156
2157                                         if (db_num_rows($tmp_result) > 0) {
2158                                                 while ($p = db_fetch_assoc($tmp_result)) {
2159                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2160                                                 }
2161
2162                                                 $children_qpart = implode(" OR ", $parent_ids);
2163
2164                                                 db_query($link, "UPDATE ttrss_user_entries
2165                                                         SET unread = false,last_read = NOW()
2166                                                         WHERE (feed_id = '$feed' OR $children_qpart)
2167                                                         AND owner_uid = " . $_SESSION["uid"]);
2168
2169                                         } else {
2170                                                 db_query($link, "UPDATE ttrss_user_entries
2171                                                         SET unread = false,last_read = NOW()
2172                                                         WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
2173                                         }
2174
2175                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2176
2177                                         if ($feed == -1) {
2178                                                 db_query($link, "UPDATE ttrss_user_entries
2179                                                         SET unread = false,last_read = NOW()
2180                                                         WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
2181                                         }
2182
2183                                         if ($feed == -2) {
2184                                                 db_query($link, "UPDATE ttrss_user_entries
2185                                                         SET unread = false,last_read = NOW()
2186                                                         WHERE published = true AND owner_uid = ".$_SESSION["uid"]);
2187                                         }
2188
2189                                         if ($feed == -3) {
2190
2191                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2192
2193                                                 if (DB_TYPE == "pgsql") {
2194                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2195                                                 } else {
2196                                                         $match_part = "updated > DATE_SUB(NOW(),
2197                                                                 INTERVAL $intl HOUR) ";
2198                                                 }
2199
2200                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2201                                                         ttrss_user_entries WHERE $match_part AND
2202                                                         unread = true AND
2203                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2204                                                         owner_uid = ".$_SESSION["uid"]);
2205
2206                                                 $affected_ids = array();
2207
2208                                                 while ($line = db_fetch_assoc($result)) {
2209                                                         array_push($affected_ids, $line["id"]);
2210                                                 }
2211
2212                                                 catchupArticlesById($link, $affected_ids, 0);
2213                                         }
2214
2215                                         if ($feed == -4) {
2216                                                 db_query($link, "UPDATE ttrss_user_entries
2217                                                         SET unread = false,last_read = NOW()
2218                                                         WHERE owner_uid = ".$_SESSION["uid"]);
2219                                         }
2220
2221                                 } else if ($feed < -10) { // label
2222
2223                                         $label_id = -$feed - 11;
2224
2225                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2226                                                 SET unread = false WHERE label_id = '$label_id' AND unread = true
2227                                                         AND owner_uid = '".$_SESSION["uid"]."' AND ref_id = article_id");
2228
2229                                 }
2230
2231                                 ccache_update($link, $feed, $_SESSION["uid"], $cat_view);
2232
2233                         } else { // tag
2234                                 db_query($link, "BEGIN");
2235
2236                                 $tag_name = db_escape_string($feed);
2237
2238                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2239                                         WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
2240
2241                                 while ($line = db_fetch_assoc($result)) {
2242                                         db_query($link, "UPDATE ttrss_user_entries SET
2243                                                 unread = false, last_read = NOW()
2244                                                 WHERE int_id = " . $line["post_int_id"]);
2245                                 }
2246                                 db_query($link, "COMMIT");
2247                         }
2248         }
2249
2250         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2251                         if ($cat_view) {
2252
2253                                 if ($feed > 0) {
2254                                         $cat_qpart = "cat_id = '$feed'";
2255                                 } else {
2256                                         $cat_qpart = "cat_id IS NULL";
2257                                 }
2258
2259                                 $tmp_result = db_query($link, "SELECT id,feed_url FROM ttrss_feeds
2260                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2261
2262                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2263                                         $feed_url = $tmp_line["feed_url"];
2264                                         $feed_id = $tmp_line["id"];
2265                                         update_rss_feed($link, $feed_url, $feed_id, $force_update);
2266                                 }
2267
2268                         } else {
2269                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
2270                                         WHERE id = '$feed'");
2271                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
2272                                 update_rss_feed($link, $feed_url, $feed, $force_update);
2273                         }
2274         }
2275
2276         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2277
2278                 if (!$omode) $omode = "flc";
2279
2280                 getGlobalCounters($link);
2281
2282                 if (strchr($omode, "l")) getLabelCounters($link);
2283                 if (strchr($omode, "f")) getFeedCounters($link, SMART_RPC_COUNTERS, $active_feed);
2284                 if (strchr($omode, "t")) getTagCounters($link);
2285                 if (strchr($omode, "c")) {
2286                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2287                                 getCategoryCounters($link);
2288                         }
2289                 }
2290         }
2291
2292         function getCategoryCounters($link) {
2293                 # two special categories are -1 and -2 (all virtuals; all labels)
2294
2295 /*              $ctr = getCategoryUnread($link, -1);
2296
2297                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>"; */
2298
2299                 $ctr = getCategoryUnread($link, -2);
2300
2301                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
2302
2303                 $age_qpart = getMaxAgeSubquery();
2304
2305                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2306                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2307                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2308                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2309
2310                 while ($line = db_fetch_assoc($result)) {
2311                         $line["cat_id"] = sprintf("%d", $line["cat_id"]);
2312
2313                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
2314                                 $line["unread"]."\"/>";
2315                 }
2316
2317                 /* Special case: NULL category doesn't actually exist in the DB */
2318
2319                 print "<counter type=\"category\" id=\"0\" counter=\"".
2320                         ccache_find($link, 0, $_SESSION["uid"], true)."\"/>";
2321
2322         }
2323
2324         function getCategoryUnread($link, $cat, $owner_uid = false) {
2325
2326                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2327
2328                 if ($cat >= 0) {
2329
2330                         if ($cat != 0) {
2331                                 $cat_query = "cat_id = '$cat'";
2332                         } else {
2333                                 $cat_query = "cat_id IS NULL";
2334                         }
2335
2336                         $age_qpart = getMaxAgeSubquery();
2337
2338                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2339                                         AND hidden = false
2340                                         AND owner_uid = " . $owner_uid);
2341
2342                         $cat_feeds = array();
2343                         while ($line = db_fetch_assoc($result)) {
2344                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2345                         }
2346
2347                         if (count($cat_feeds) == 0) return 0;
2348
2349                         $match_part = implode(" OR ", $cat_feeds);
2350
2351                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2352                                 FROM ttrss_user_entries,ttrss_entries
2353                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2354                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2355
2356                         $unread = 0;
2357
2358                         # this needs to be rewritten
2359                         while ($line = db_fetch_assoc($result)) {
2360                                 $unread += $line["unread"];
2361                         }
2362
2363                         return $unread;
2364                 } else if ($cat == -1) {
2365                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3);
2366                 } else if ($cat == -2) {
2367
2368                         $result = db_query($link, "
2369                                 SELECT COUNT(unread) AS unread FROM
2370                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2371                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2372                                         ttrss_labels2.owner_uid = '$owner_uid'
2373                                         AND unread = true AND hidden = false AND feed_id = ttrss_feeds.id
2374                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2375
2376                         $unread = db_fetch_result($result, 0, "unread");
2377
2378                         return $unread;
2379
2380                 }
2381         }
2382
2383         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2384                 if (DB_TYPE == "pgsql") {
2385                         return "ttrss_entries.date_entered >
2386                                 NOW() - INTERVAL '$days days'";
2387                 } else {
2388                         return "ttrss_entries.date_entered >
2389                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2390                 }
2391         }
2392
2393         function getFeedUnread($link, $feed, $is_cat = false) {
2394                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2395         }
2396
2397         function getLabelUnread($link, $label_id, $owner_uid = false) {
2398                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2399
2400                 $result = db_query($link, "
2401                         SELECT COUNT(unread) AS unread FROM
2402                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2403                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2404                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2405                                 AND unread = true AND hidden = false AND feed_id = ttrss_feeds.id
2406                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2407
2408                 if (db_num_rows($result) != 0) {
2409                         return db_fetch_result($result, 0, "unread");
2410                 } else {
2411                         return 0;
2412                 }
2413         }
2414
2415         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2416                 $owner_uid = false) {
2417
2418                 $n_feed = sprintf("%d", $feed);
2419
2420                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2421
2422                 if ($unread_only) {
2423                         $unread_qpart = "unread = true";
2424                 } else {
2425                         $unread_qpart = "true";
2426                 }
2427
2428                 $age_qpart = getMaxAgeSubquery();
2429
2430                 if ($is_cat) {
2431                         return getCategoryUnread($link, $n_feed, $owner_uid);
2432                 } else if ($n_feed == -1) {
2433                         $match_part = "marked = true";
2434                 } else if ($n_feed == -2) {
2435                         $match_part = "published = true";
2436                 } else if ($n_feed == -3) {
2437                         $match_part = "unread = true";
2438
2439                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2440
2441                         if (DB_TYPE == "pgsql") {
2442                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2443                         } else {
2444                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2445                         }
2446                 } else if ($n_feed == -4) {
2447                         $match_part = "true";
2448                 } else if ($n_feed > 0) {
2449
2450                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2451                                         WHERE parent_feed = '$n_feed'
2452                                         AND hidden = false
2453                                         AND owner_uid = " . $owner_uid);
2454
2455                         if (db_num_rows($result) > 0) {
2456
2457                                 $linked_feeds = array();
2458                                 while ($line = db_fetch_assoc($result)) {
2459                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2460                                 }
2461
2462                                 array_push($linked_feeds, "feed_id = $n_feed");
2463
2464                                 $match_part = implode(" OR ", $linked_feeds);
2465
2466                                 $result = db_query($link, "SELECT COUNT(int_id) AS unread
2467                                         FROM ttrss_user_entries,ttrss_entries
2468                                         WHERE   $unread_qpart AND
2469                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2470                                         $age_qpart AND
2471                                         ($match_part) AND
2472                                         owner_uid = " . $owner_uid);
2473
2474                                 $unread = 0;
2475
2476                                 # this needs to be rewritten
2477                                 while ($line = db_fetch_assoc($result)) {
2478                                         $unread += $line["unread"];
2479                                 }
2480
2481                                 return $unread;
2482
2483                         } else {
2484                                 $match_part = "feed_id = '$n_feed'";
2485                         }
2486                 } else if ($feed < -10) {
2487
2488                         $label_id = -$feed - 11;
2489
2490                         return getLabelUnread($link, $label_id, $owner_uid);
2491
2492                 }
2493
2494                 if ($match_part) {
2495
2496                         $result = db_query($link, "SELECT count(int_id) AS unread
2497                                 FROM ttrss_user_entries,ttrss_feeds,ttrss_entries WHERE
2498                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2499                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2500                                 ttrss_feeds.hidden = false AND
2501                                 $age_qpart AND
2502                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = " . $owner_uid);
2503
2504                 } else {
2505
2506                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2507                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2508                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2509                                 AND $unread_qpart AND $age_qpart AND
2510                                         ttrss_tags.owner_uid = " . $owner_uid);
2511                 }
2512
2513                 $unread = db_fetch_result($result, 0, "unread");
2514
2515                 return $unread;
2516         }
2517
2518         function getGlobalUnread($link, $user_id = false) {
2519
2520                 if (!$user_id) {
2521                         $user_id = $_SESSION["uid"];
2522                 }
2523
2524                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2525                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2526
2527                 $c_id = db_fetch_result($result, 0, "c_id");
2528
2529                 return $c_id;
2530         }
2531
2532         function getGlobalCounters($link, $global_unread = -1) {
2533                 if ($global_unread == -1) {
2534                         $global_unread = getGlobalUnread($link);
2535                 }
2536                 print "<counter type=\"global\" id='global-unread'
2537                         counter='$global_unread'/>";
2538
2539                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2540                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2541
2542                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2543
2544                 print "<counter type=\"global\" id='subscribed-feeds'
2545                         counter='$subscribed_feeds'/>";
2546
2547         }
2548
2549         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
2550
2551                 if ($smart_mode) {
2552                         if (!$_SESSION["tctr_last_value"]) {
2553                                 $_SESSION["tctr_last_value"] = array();
2554                         }
2555                 }
2556
2557                 $old_counters = $_SESSION["tctr_last_value"];
2558
2559                 $tctrs_modified = false;
2560
2561                 $age_qpart = getMaxAgeSubquery();
2562
2563                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2564                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2565                                 AND ref_id = id AND $age_qpart
2566                                 AND unread = true)) AS count FROM ttrss_tags
2567                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2568                                 ORDER BY count DESC LIMIT 55");
2569
2570                 $tags = array();
2571
2572                 while ($line = db_fetch_assoc($result)) {
2573                         $tags[$line["tag_name"]] += $line["count"];
2574                 }
2575
2576                 foreach (array_keys($tags) as $tag) {
2577                         $unread = $tags[$tag];
2578
2579                         $tag = htmlspecialchars($tag);
2580
2581                         if (!$smart_mode || $old_counters[$tag] != $unread) {
2582                                 $old_counters[$tag] = $unread;
2583                                 $tctrs_modified = true;
2584                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2585                         }
2586
2587                 }
2588
2589                 if ($smart_mode && $tctrs_modified) {
2590                         $_SESSION["tctr_last_value"] = $old_counters;
2591                 }
2592
2593         }
2594
2595         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2596
2597                 $age_qpart = getMaxAgeSubquery();
2598
2599                 if ($smart_mode) {
2600                         if (!$_SESSION["lctr_last_value"]) {
2601                                 $_SESSION["lctr_last_value"] = array();
2602                         }
2603                 }
2604
2605                 $ret_arr = array();
2606
2607                 for ($i = -1; $i >= -4; $i--) {
2608
2609                         $count = getFeedUnread($link, $i);
2610
2611                         if (!$ret_mode) {
2612
2613                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2614                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $i) . " total)\"";
2615                                 } else {
2616                                         $xmsg_part = "";
2617                                 }
2618
2619                                 print "<counter type=\"label\" id=\"$i\" counter=\"$count\" $xmsg_part/>";
2620                         } else {
2621                                 $ret_arr[$i]["counter"] = $count;
2622                                 $ret_arr[$i]["description"] = getFeedTitle($link, $i);
2623                         }
2624
2625                 }
2626
2627                 $old_counters = $_SESSION["lctr_last_value"];
2628                 $lctrs_modified = false;
2629
2630
2631                         $owner_uid = $_SESSION["uid"];
2632
2633                         $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2634                                 WHERE owner_uid = '$owner_uid'");
2635
2636                         while ($line = db_fetch_assoc($result)) {
2637
2638                                 $id = -$line["id"] - 11;
2639
2640                                 $label_name = $line["caption"];
2641                                 $count = getFeedUnread($link, $id);
2642
2643                                 if (!$smart_mode || $old_counters[$id] != $count) {
2644                                         $old_counters[$id] = $count;
2645                                         $lctrs_modified = true;
2646                                         if (!$ret_mode) {
2647
2648                                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2649                                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2650                                                 } else {
2651                                                         $xmsg_part = "";
2652                                                 }
2653
2654                                                 print "<counter type=\"label\" id=\"$id\" counter=\"$count\" $xmsg_part/>";
2655                                         } else {
2656                                                 $ret_arr[$id]["counter"] = $count;
2657                                                 $ret_arr[$id]["description"] = $label_name;
2658                                         }
2659                                 }
2660
2661                                 error_reporting (DEFAULT_ERROR_LEVEL);
2662                         }
2663
2664                 if ($smart_mode && $lctrs_modified) {
2665                         $_SESSION["lctr_last_value"] = $old_counters;
2666                 }
2667
2668                 return $ret_arr;
2669         }
2670
2671         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS, $active_feed = false) {
2672
2673                 $age_qpart = getMaxAgeSubquery();
2674
2675                 if ($smart_mode) {
2676                         if (!$_SESSION["fctr_last_value"]) {
2677                                 $_SESSION["fctr_last_value"] = array();
2678                         }
2679                 }
2680
2681                 $old_counters = $_SESSION["fctr_last_value"];
2682
2683                 $query = "SELECT ttrss_feeds.id,
2684                                 ttrss_feeds.title,
2685                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2686                                 last_error, value AS count
2687                         FROM ttrss_feeds, ttrss_counters_cache
2688                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2689                                 AND parent_feed IS NULL
2690                                 AND ttrss_counters_cache.feed_id = id";
2691
2692                 $result = db_query($link, $query);
2693                 $fctrs_modified = false;
2694
2695                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2696
2697                 while ($line = db_fetch_assoc($result)) {
2698
2699                         $id = $line["id"];
2700                         $count = $line["count"];
2701                         $last_error = htmlspecialchars($line["last_error"]);
2702
2703                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2704                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2705                         } else {
2706                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2707                         }
2708
2709                         $last_updated = htmlspecialchars($last_updated);
2710
2711                         $has_img = feed_has_icon($id);
2712
2713                         $tmp_result = db_query($link,
2714                                 "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
2715                                         WHERE parent_feed = '$id' AND feed_id = id");
2716
2717                         $count += db_fetch_result($tmp_result, 0, "unread");
2718
2719                         if (!$smart_mode || $old_counters[$id] != $count) {
2720                                 $old_counters[$id] = $count;
2721                                 $fctrs_modified = true;
2722
2723                                 if ($last_error) {
2724                                         $error_part = "error=\"$last_error\"";
2725                                 } else {
2726                                         $error_part = "";
2727                                 }
2728
2729                                 if ($has_img) {
2730                                         $has_img_part = "hi=\"$has_img\"";
2731                                 } else {
2732                                         $has_img_part = "";
2733                                 }
2734
2735                                 if ($active_feed && $id == $active_feed) {
2736                                         $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2737                                 } else {
2738                                         $has_title_part = "";
2739                                 }
2740
2741                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2742                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2743                                 }
2744
2745                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $xmsg_part $has_title_part/>";
2746                         }
2747                 }
2748
2749                 if ($smart_mode && $fctrs_modified) {
2750                         $_SESSION["fctr_last_value"] = $old_counters;
2751                 }
2752         }
2753
2754         function get_script_dt_add() {
2755 /*              if (strpos(VERSION, ".99") === false) {
2756                         return VERSION;
2757                 } else {
2758                         return time();
2759                 } */
2760                 return time();
2761         }
2762
2763         function get_pgsql_version($link) {
2764                 $result = db_query($link, "SELECT version() AS version");
2765                 $version = split(" ", db_fetch_result($result, 0, "version"));
2766                 return $version[1];
2767         }
2768
2769         function print_error_xml($code, $add_msg = "") {
2770                 global $ERRORS;
2771
2772                 $error_msg = $ERRORS[$code];
2773
2774                 if ($add_msg) {
2775                         $error_msg = "$error_msg; $add_msg";
2776                 }
2777
2778                 print "<rpc-reply>";
2779                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2780                 print "</rpc-reply>";
2781         }
2782
2783         function subscribe_to_feed($link, $feed_link, $cat_id = 0,
2784                         $auth_login = '', $auth_pass = '') {
2785
2786                 # check for feed:http://url
2787                 $feed_link = trim(preg_replace("/^feed:/", "", $feed_link));
2788
2789                 # check for feed://URL
2790                 if (strpos($feed_link, "//") === 0) {
2791                         $feed_link = "http:$feed_link";
2792                 }
2793
2794                 if ($feed_link == "") return;
2795
2796                 if ($cat_id == "0" || !$cat_id) {
2797                         $cat_qpart = "NULL";
2798                 } else {
2799                         $cat_qpart = "'$cat_id'";
2800                 }
2801
2802                 $result = db_query($link,
2803                         "SELECT id FROM ttrss_feeds
2804                         WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
2805
2806                 if (db_num_rows($result) == 0) {
2807
2808                         $result = db_query($link,
2809                                 "INSERT INTO ttrss_feeds
2810                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2811                                 VALUES ('".$_SESSION["uid"]."', '$feed_link',
2812                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2813
2814                         $result = db_query($link,
2815                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link'
2816                                         AND owner_uid = " . $_SESSION["uid"]);
2817
2818                         $feed_id = db_fetch_result($result, 0, "id");
2819
2820                         if ($feed_id) {
2821                                 update_rss_feed($link, $feed_link, $feed_id, true);
2822                         }
2823
2824                         return true;
2825                 } else {
2826                         return false;
2827                 }
2828         }
2829
2830         function print_feed_select($link, $id, $default_id = "",
2831                 $attributes = "", $include_all_feeds = true) {
2832
2833                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2834                 if ($include_all_feeds) {
2835                         print "<option value=\"0\">".__('All feeds')."</option>";
2836                 }
2837
2838                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2839                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2840
2841                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2842                         print "<option disabled>--------</option>";
2843                 }
2844
2845                 while ($line = db_fetch_assoc($result)) {
2846                         if ($line["id"] == $default_id) {
2847                                 $is_selected = "selected";
2848                         } else {
2849                                 $is_selected = "";
2850                         }
2851                         printf("<option $is_selected value='%d'>%s</option>",
2852                                 $line["id"], htmlspecialchars($line["title"]));
2853                 }
2854
2855                 print "</select>";
2856         }
2857
2858         function print_feed_cat_select($link, $id, $default_id = "",
2859                 $attributes = "", $include_all_cats = true) {
2860
2861                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2862
2863                 if ($include_all_cats) {
2864                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2865                 }
2866
2867                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2868                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2869
2870                 if (db_num_rows($result) > 0 && $include_all_cats) {
2871                         print "<option disabled>--------</option>";
2872                 }
2873
2874                 while ($line = db_fetch_assoc($result)) {
2875                         if ($line["id"] == $default_id) {
2876                                 $is_selected = "selected";
2877                         } else {
2878                                 $is_selected = "";
2879                         }
2880                         printf("<option $is_selected value='%d'>%s</option>",
2881                                 $line["id"], htmlspecialchars($line["title"]));
2882                 }
2883
2884                 print "</select>";
2885         }
2886
2887         function checkbox_to_sql_bool($val) {
2888                 return ($val == "on") ? "true" : "false";
2889         }
2890
2891         function getFeedCatTitle($link, $id) {
2892                 if ($id == -1) {
2893                         return __("Special");
2894                 } else if ($id < -10) {
2895                         return __("Labels");
2896                 } else if ($id > 0) {
2897                         $result = db_query($link, "SELECT ttrss_feed_categories.title
2898                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2899                                         cat_id = ttrss_feed_categories.id");
2900                         if (db_num_rows($result) == 1) {
2901                                 return db_fetch_result($result, 0, "title");
2902                         } else {
2903                                 return __("Uncategorized");
2904                         }
2905                 } else {
2906                         return "getFeedCatTitle($id) failed";
2907                 }
2908
2909         }
2910
2911         function getFeedTitle($link, $id) {
2912                 if ($id == -1) {
2913                         return __("Starred articles");
2914                 } else if ($id == -2) {
2915                         return __("Published articles");
2916                 } else if ($id == -3) {
2917                         return __("Fresh articles");
2918                 } else if ($id == -4) {
2919                         return __("All articles");
2920                 } else if ($id < -10) {
2921                         $label_id = -$id - 11;
2922                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
2923                         if (db_num_rows($result) == 1) {
2924                                 return db_fetch_result($result, 0, "caption");
2925                         } else {
2926                                 return "Unknown label ($label_id)";
2927                         }
2928
2929                 } else if ($id > 0) {
2930                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2931                         if (db_num_rows($result) == 1) {
2932                                 return db_fetch_result($result, 0, "title");
2933                         } else {
2934                                 return "Unknown feed ($id)";
2935                         }
2936                 } else {
2937                         return "getFeedTitle($id) failed";
2938                 }
2939
2940         }
2941
2942         function get_session_cookie_name() {
2943                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
2944         }
2945
2946         function print_init_params($link) {
2947                 print "<init-params>";
2948                 if ($_SESSION["stored-params"]) {
2949                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
2950                                 if ($key) {
2951                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
2952                                         print "<param key=\"$key\" value=\"$value\"/>";
2953                                 }
2954                         }
2955                 }
2956
2957                 print "<param key=\"theme\" value=\"".$_SESSION["theme"]."\"/>";
2958                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
2959                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
2960                 print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
2961
2962                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
2963                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
2964
2965                 print "<param key=\"hide_read_feeds\" value=\"" .
2966                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
2967
2968                 print "<param key=\"enable_feed_cats\" value=\"" .
2969                         (int) get_pref($link, "ENABLE_FEED_CATS") . "\"/>";
2970
2971                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
2972                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
2973
2974                 print "<param key=\"confirm_feed_catchup\" value=\"" .
2975                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
2976
2977                 print "<param key=\"cdm_auto_catchup\" value=\"" .
2978                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
2979
2980                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
2981
2982                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
2983
2984                 print "<param key=\"default_view_mode\" value=\"" .
2985                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
2986
2987                 print "<param key=\"default_view_limit\" value=\"" .
2988                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
2989
2990                 print "<param key=\"default_view_order_by\" value=\"" .
2991                         get_pref($link, "_DEFAULT_VIEW_ORDER_BY") . "\"/>";
2992
2993                 print "<param key=\"prefs_active_tab\" value=\"" .
2994                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
2995
2996                 print "<param key=\"infobox_disable_overlay\" value=\"" .
2997                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
2998
2999                 print "<param key=\"icons_location\" value=\"" .
3000                         ICONS_URL . "\"/>";
3001
3002                 print "<param key=\"hide_read_shows_special\" value=\"" .
3003                         (int) get_pref($link, "HIDE_READ_SHOWS_SPECIAL") . "\"/>";
3004
3005                 print "<param key=\"hide_feedlist\" value=\"" .
3006                         (int) get_pref($link, "HIDE_FEEDLIST") . "\"/>";
3007
3008                 print "<param key=\"bw_limit\" value=\"".
3009                         (int) $_SESSION["bw_limit"]."\"/>";
3010
3011 //              print "<param key=\"sync_counters\" value=\"" .
3012 //                      (int) get_pref($link, "SYNC_COUNTERS") . "\"/>";
3013
3014                 print "<param key=\"sync_counters\" value=\"1\"/>";
3015
3016                 print "<param key=\"offline_enabled\" value=\"0\"/>";
3017
3018                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3019                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3020
3021                 $num_feeds = db_fetch_result($result, 0, "cf");
3022
3023                 print "<param key=\"num_feeds\" value=\"".
3024                         (int)$num_feeds. "\"/>";
3025
3026                 print "</init-params>";
3027         }
3028
3029         function print_runtime_info($link) {
3030                 print "<runtime-info>";
3031
3032                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3033                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3034
3035                 $num_feeds = db_fetch_result($result, 0, "cf");
3036
3037                 print "<param key=\"num_feeds\" value=\"".
3038                         (int)$num_feeds. "\"/>";
3039
3040                 if (ENABLE_UPDATE_DAEMON) {
3041                         print "<param key=\"daemon_is_running\" value=\"".
3042                                 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
3043
3044                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3045
3046                                 $stamp = (int)read_stampfile("update_daemon.stamp");
3047
3048 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
3049
3050                                 if ($stamp) {
3051                                         $stamp_delta = time() - $stamp;
3052
3053                                         if ($stamp_delta > 1800) {
3054                                                 $stamp_check = 0;
3055                                         } else {
3056                                                 $stamp_check = 1;
3057                                                 $_SESSION["daemon_stamp_check"] = time();
3058                                         }
3059
3060                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
3061
3062                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3063
3064                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
3065                                 }
3066                         }
3067                 }
3068
3069                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3070
3071                         if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3072                                 $new_version_details = check_for_update($link);
3073
3074                                 print "<param key=\"new_version_available\" value=\"".
3075                                         sprintf("%d", $new_version_details != ""). "\"/>";
3076
3077                                 $_SESSION["last_version_check"] = time();
3078                         }
3079                 }
3080
3081 //              print "<param key=\"new_version_available\" value=\"1\"/>";
3082
3083                 print "</runtime-info>";
3084         }
3085
3086         function getSearchSql($search, $match_on) {
3087
3088                 $search_query_part = "";
3089
3090                 $keywords = split(" ", $search);
3091                 $query_keywords = array();
3092
3093                 if ($match_on == "both") {
3094
3095                         foreach ($keywords as $k) {
3096                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
3097                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3098                         }
3099
3100                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3101
3102                 } else if ($match_on == "title") {
3103
3104                         foreach ($keywords as $k) {
3105                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
3106                         }
3107
3108                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3109
3110                 } else if ($match_on == "content") {
3111
3112                         foreach ($keywords as $k) {
3113                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3114                         }
3115                 }
3116
3117                 $search_query_part = implode("AND", $query_keywords);
3118
3119                 return $search_query_part;
3120         }
3121
3122         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3123
3124                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3125
3126                         if ($search) {
3127
3128                                 $search_query_part = getSearchSql($search, $match_on);
3129                                 $search_query_part .= " AND ";
3130
3131                         } else {
3132                                 $search_query_part = "";
3133                         }
3134
3135                         $view_query_part = "";
3136
3137                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3138                                 if ($search) {
3139                                         $view_query_part = " ";
3140                                 } else if ($feed != -1) {
3141                                         $unread = getFeedUnread($link, $feed, $cat_view);
3142                                         if ($unread > 0) {
3143                                                 $view_query_part = " unread = true AND ";
3144                                         }
3145                                 }
3146                         }
3147
3148                         if ($view_mode == "marked") {
3149                                 $view_query_part = " marked = true AND ";
3150                         }
3151
3152                         if ($view_mode == "unread") {
3153                                 $view_query_part = " unread = true AND ";
3154                         }
3155
3156                         if ($view_mode == "updated") {
3157                                 $view_query_part = " (last_read is null and unread = false) AND ";
3158                         }
3159
3160                         if ($limit > 0) {
3161                                 $limit_query_part = "LIMIT " . $limit;
3162                         }
3163
3164                         $vfeed_query_part = "";
3165
3166                         // override query strategy and enable feed display when searching globally
3167                         if ($search && $search_mode == "all_feeds") {
3168                                 $query_strategy_part = "ttrss_entries.id > 0";
3169                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3170                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3171                                 $query_strategy_part = "ttrss_entries.id > 0";
3172                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3173                                         id = feed_id) as feed_title,";
3174                         } else if ($feed >= 0 && $search && $search_mode == "this_cat") {
3175
3176                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3177
3178                                 $tmp_result = false;
3179
3180                                 if ($cat_view) {
3181                                         $tmp_result = db_query($link, "SELECT id
3182                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3183                                 } else {
3184                                         $tmp_result = db_query($link, "SELECT id
3185                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3186                                                         WHERE id = '$feed') AND id != '$feed'");
3187                                 }
3188
3189                                 $cat_siblings = array();
3190
3191                                 if (db_num_rows($tmp_result) > 0) {
3192                                         while ($p = db_fetch_assoc($tmp_result)) {
3193                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3194                                         }
3195
3196                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3197                                                 $feed, implode(" OR ", $cat_siblings));
3198
3199                                 } else {
3200                                         $query_strategy_part = "ttrss_entries.id > 0";
3201                                 }
3202
3203                         } else if ($feed >= 0) {
3204
3205                                 if ($cat_view) {
3206
3207                                         if ($feed > 0) {
3208                                                 $query_strategy_part = "cat_id = '$feed'";
3209                                         } else {
3210                                                 $query_strategy_part = "cat_id IS NULL";
3211                                         }
3212
3213                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3214
3215                                 } else {
3216                                         $tmp_result = db_query($link, "SELECT id
3217                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3218                                                 ORDER BY cat_id,title");
3219
3220                                         $parent_ids = array();
3221
3222                                         if (db_num_rows($tmp_result) > 0) {
3223                                                 while ($p = db_fetch_assoc($tmp_result)) {
3224                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3225                                                 }
3226
3227                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3228                                                         $feed, implode(" OR ", $parent_ids));
3229
3230                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3231                                         } else {
3232                                                 $query_strategy_part = "feed_id = '$feed'";
3233                                         }
3234                                 }
3235                         } else if ($feed == -1) { // starred virtual feed
3236                                 $query_strategy_part = "marked = true";
3237                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3238                         } else if ($feed == -2) { // published virtual feed OR labels category
3239
3240                                 if (!$cat_view) {
3241                                         $query_strategy_part = "published = true";
3242                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3243                                 } else {
3244                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3245
3246                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3247
3248                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3249                                                 ttrss_user_labels2.article_id = ref_id";
3250
3251                                 }
3252
3253                         } else if ($feed == -3) { // fresh virtual feed
3254                                 $query_strategy_part = "unread = true";
3255
3256                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3257
3258                                 if (DB_TYPE == "pgsql") {
3259                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3260                                 } else {
3261                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3262                                 }
3263
3264                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3265                         } else if ($feed == -4) { // all articles virtual feed
3266                                 $query_strategy_part = "true";
3267                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3268                         } else if ($feed <= -10) { // labels
3269                                 $label_id = -$feed - 11;
3270
3271                                 $query_strategy_part = "label_id = '$label_id' AND
3272                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3273                                         ttrss_user_labels2.article_id = ref_id";
3274
3275                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3276                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3277
3278                         } else {
3279                                 $query_strategy_part = "id > 0"; // dumb
3280                         }
3281
3282                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3283                                 $order_by = "updated";
3284                         } else {
3285                                 $order_by = "updated DESC";
3286                         }
3287
3288                         if ($view_mode != "noscores") {
3289                                 $order_by = "score DESC, $order_by";
3290                         }
3291
3292                         if ($override_order) {
3293                                 $order_by = $override_order;
3294                         }
3295
3296                         $feed_title = "";
3297
3298                         if ($search && $search_mode == "all_feeds") {
3299                                 $feed_title = __("Search results")." ($search)";
3300                         } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3301                                 $feed_title = __("Search results")." ($search, $feed)";
3302                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3303                                 $feed_title = $feed;
3304                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
3305
3306                                 if ($cat_view) {
3307
3308                                         if ($feed != 0) {
3309                                                 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
3310                                                         WHERE id = '$feed' AND owner_uid = $owner_uid");
3311                                                 $feed_title = db_fetch_result($result, 0, "title");
3312                                         } else {
3313                                                 $feed_title = __("Uncategorized");
3314                                         }
3315
3316                                         if ($search) {
3317                                                 $feed_title = __("Searched for")." $search ($feed_title)";
3318                                         }
3319
3320                                 } else {
3321
3322                                         $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds
3323                                                 WHERE id = '$feed' AND owner_uid = $owner_uid");
3324
3325                                         $feed_title = db_fetch_result($result, 0, "title");
3326                                         $feed_site_url = db_fetch_result($result, 0, "site_url");
3327                                         $last_error = db_fetch_result($result, 0, "last_error");
3328
3329                                         if ($search) {
3330                                                 $feed_title = __("Searched for") . " $search ($feed_title)";
3331                                         }
3332                                 }
3333
3334                         } else if ($feed == -1) {
3335                                 $feed_title = __("Starred articles");
3336                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3337                         } else if ($feed == -2) {
3338                                 if (!$cat_view) {
3339                                         $feed_title = __("Published articles");
3340                                         if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3341                                 } else {
3342                                         $feed_title = __("Labels");
3343                                 }
3344                         } else if ($feed == -3) {
3345                                 $feed_title = __("Fresh articles");
3346                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3347                         } else if ($feed == -4) {
3348                                 $feed_title = __("All articles");
3349                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3350                         } else if ($feed < -10) {
3351                                 $label_id = -$feed - 11;
3352                                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
3353                                         WHERE id = '$label_id'");
3354                                 $feed_title = db_fetch_result($result, 0, "caption");
3355
3356                                 if ($search) {
3357                                         $feed_title = __("Searched for") . " $search ($feed_title)";
3358                                 }
3359                         } else {
3360                                 $feed_title = "?";
3361                         }
3362
3363                         $content_query_part = "content as content_preview,";
3364
3365                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3366
3367                                 if ($feed >= 0) {
3368                                         $feed_kind = "Feeds";
3369                                 } else {
3370                                         $feed_kind = "Labels";
3371                                 }
3372
3373                                 if ($limit_query_part) {
3374                                         $offset_query_part = "OFFSET $offset";
3375                                 }
3376
3377                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3378                                         if (!$override_order) {
3379                                                 $order_by = "ttrss_feeds.title, $order_by";
3380                                         }
3381
3382                                         // Special output for Fresh feed
3383
3384 /*                                      if ($feed == -3) {
3385                                                 $group_limit_part = "(select count(*) from
3386                                                         ttrss_user_entries AS t1, ttrss_entries AS t2 where
3387                                                                 t1.ref_id = t2.id and t1.owner_uid = 2 and
3388                                                                 t1.feed_id = ttrss_user_entries.feed_id and
3389                                                                 t2.updated > ttrss_entries.updated) <= 5 AND";
3390 } */
3391                                 }
3392
3393                                 $query = "SELECT DISTINCT
3394                                                 guid,
3395                                                 ttrss_entries.id,ttrss_entries.title,
3396                                                 updated,
3397                                                 unread,feed_id,marked,published,link,last_read,
3398                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3399                                                 $vfeed_query_part
3400                                                 $content_query_part
3401                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3402                                                 author,score
3403                                         FROM
3404                                                 ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part
3405                                         WHERE
3406                                         $group_limit_part
3407                                         ttrss_feeds.hidden = false AND
3408                                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
3409                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3410                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3411                                         $search_query_part
3412                                         $view_query_part
3413                                         $query_strategy_part ORDER BY $order_by
3414                                         $limit_query_part $offset_query_part";
3415
3416                                 if ($_GET["debug"]) print $query;
3417
3418                                 $result = db_query($link, $query);
3419
3420                         } else {
3421                                 // browsing by tag
3422
3423                                 $feed_kind = "Tags";
3424
3425                                 $result = db_query($link, "SELECT
3426                                         guid,
3427                                         ttrss_entries.id as id,title,
3428                                         updated,
3429                                         unread,feed_id,
3430                                         marked,link,last_read,
3431                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3432                                         $vfeed_query_part
3433                                         $content_query_part
3434                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3435                                         score
3436                                         FROM
3437                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3438                                         WHERE
3439                                                 ref_id = ttrss_entries.id AND
3440                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3441                                                 post_int_id = int_id AND tag_name = '$feed' AND
3442                                                 $view_query_part
3443                                                 $search_query_part
3444                                                 $query_strategy_part ORDER BY $order_by
3445                                         $limit_query_part");
3446                         }
3447
3448                         return array($result, $feed_title, $feed_site_url, $last_error);
3449
3450         }
3451
3452         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3453                 $limit, $search, $search_mode, $match_on) {
3454
3455                 if (!$limit) $limit = 30;
3456
3457                 $qfh_ret = queryFeedHeadlines($link, $feed,
3458                         $limit, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3459                         $owner_uid);
3460
3461                 $result = $qfh_ret[0];
3462                 $feed_title = htmlspecialchars($qfh_ret[1]);
3463                 $feed_site_url = $qfh_ret[2];
3464                 $last_error = $qfh_ret[3];
3465
3466 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3467
3468                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3469                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3470                         <rss version=\"2.0\">
3471                         <channel>
3472                         <title>$feed_title</title>
3473                         <link>$feed_site_url</link>
3474                         <description>Feed generated by Tiny Tiny RSS</description>";
3475
3476                 while ($line = db_fetch_assoc($result)) {
3477                         print "<item>";
3478                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3479                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3480
3481                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3482
3483                         foreach ($tags as $tag) {
3484                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3485                         }
3486
3487                         $rfc822_date = date('r', strtotime($line["updated"]));
3488
3489                         print "<pubDate>$rfc822_date</pubDate>";
3490
3491                         print "<title>" .
3492                                 htmlspecialchars($line["title"]) . "</title>";
3493
3494                         print "<description><![CDATA[" .
3495                                 $line["content_preview"] . "]]></description>";
3496
3497                         print "</item>";
3498                 }
3499
3500                 print "</channel></rss>";
3501
3502         }
3503
3504         function getCategoryTitle($link, $cat_id) {
3505
3506                 if ($cat_id == -1) {
3507                         return __("Special");
3508                 } else if ($cat_id == -2) {
3509                         return __("Labels");
3510                 } else {
3511
3512                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3513                                 id = '$cat_id'");
3514
3515                         if (db_num_rows($result) == 1) {
3516                                 return db_fetch_result($result, 0, "title");
3517                         } else {
3518                                 return "Uncategorized";
3519                         }
3520                 }
3521         }
3522
3523         // http://ru2.php.net/strip-tags
3524
3525         function strip_tags_long($textstring, $allowed){
3526         while($textstring != strip_tags($textstring, $allowed))
3527     {
3528     while (strlen($textstring) != 0)
3529          {
3530          if (strlen($textstring) > 1024) {
3531               $otherlen = 1024;
3532          } else {
3533               $otherlen = strlen($textstring);
3534          }
3535          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3536          $safetext .= $temptext;
3537          $textstring = substr_replace($textstring,'',0,$otherlen);
3538          }
3539     $textstring = $safetext;
3540     }
3541         return $textstring;
3542         }
3543
3544
3545         function sanitize_rss($link, $str, $force_strip_tags = false) {
3546                 $res = $str;
3547
3548                 if (get_pref($link, "STRIP_UNSAFE_TAGS") || $force_strip_tags) {
3549
3550                         $res = strip_tags_long($res,
3551                                 "<p><a><i><em><b><strong><code><pre><blockquote><br><img><ul><ol><li>");
3552
3553 //                      $res = preg_replace("/\r\n|\n|\r/", "", $res);
3554 //                      $res = strip_tags_long($res, "<p><a><i><em><b><strong><blockquote><br><img><div><span>");
3555                 }
3556
3557                 if (get_pref($link, "STRIP_IMAGES")) {
3558
3559                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3560
3561                 }
3562
3563                 return $res;
3564         }
3565
3566         /**
3567          * Send by mail a digest of last articles.
3568          *
3569          * @param mixed $link The database connection.
3570          * @param integer $limit The maximum number of articles by digest.
3571          * @return boolean Return false if digests are not enabled.
3572          */
3573         function send_headlines_digests($link, $limit = 100) {
3574
3575                 if (!DIGEST_ENABLE) return false;
3576
3577                 $user_limit = DIGEST_EMAIL_LIMIT;
3578                 $days = 1;
3579
3580                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3581
3582                 if (DB_TYPE == "pgsql") {
3583                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3584                 } else if (DB_TYPE == "mysql") {
3585                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3586                 }
3587
3588                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3589                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3590
3591                 while ($line = db_fetch_assoc($result)) {
3592
3593                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3594                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3595
3596                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3597
3598                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3599                                 $digest = $tuple[0];
3600                                 $headlines_count = $tuple[1];
3601                                 $affected_ids = $tuple[2];
3602                                 $digest_text = $tuple[3];
3603
3604                                 if ($headlines_count > 0) {
3605
3606                                         $mail = new PHPMailer();
3607
3608                                         $mail->PluginDir = "lib/phpmailer/";
3609                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3610
3611                                         $mail->CharSet = "UTF-8";
3612
3613                                         $mail->From = DIGEST_FROM_ADDRESS;
3614                                         $mail->FromName = DIGEST_FROM_NAME;
3615                                         $mail->AddAddress($line["email"], $line["login"]);
3616
3617                                         if (DIGEST_SMTP_HOST) {
3618                                                 $mail->Host = DIGEST_SMTP_HOST;
3619                                                 $mail->Mailer = "smtp";
3620                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3621                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3622                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3623                                         }
3624
3625                                         $mail->IsHTML(true);
3626                                         $mail->Subject = DIGEST_SUBJECT;
3627                                         $mail->Body = $digest;
3628                                         $mail->AltBody = $digest_text;
3629
3630                                         $rc = $mail->Send();
3631
3632                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3633
3634                                         print "RC=$rc\n";
3635
3636                                         if ($rc && $do_catchup) {
3637                                                 print "Marking affected articles as read...\n";
3638                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3639                                         }
3640
3641                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3642                                                         WHERE id = " . $line["id"]);
3643                                 } else {
3644                                         print "No headlines\n";
3645                                 }
3646                         }
3647                 }
3648
3649                 print "All done.\n";
3650
3651         }
3652
3653         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3654
3655                 require_once "lib/MiniTemplator.class.php";
3656
3657                 $tpl = new MiniTemplator;
3658                 $tpl_t = new MiniTemplator;
3659
3660                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3661                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3662
3663                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3664                 $tpl->setVariable('CUR_TIME', date('G:i'));
3665
3666                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3667                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3668
3669                 $affected_ids = array();
3670
3671                 if (DB_TYPE == "pgsql") {
3672                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3673                 } else if (DB_TYPE == "mysql") {
3674                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3675                 }
3676
3677                 $result = db_query($link, "SELECT ttrss_entries.title,
3678                                 ttrss_feeds.title AS feed_title,
3679                                 date_entered,
3680                                 ttrss_user_entries.ref_id,
3681                                 link,
3682                                 SUBSTRING(content, 1, 120) AS excerpt,
3683                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3684                         FROM
3685                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3686                         WHERE
3687                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3688                                 AND include_in_digest = true
3689                                 AND $interval_query
3690                                 AND hidden = false
3691                                 AND ttrss_user_entries.owner_uid = $user_id
3692                                 AND unread = true
3693                         ORDER BY ttrss_feeds.title, date_entered DESC
3694                         LIMIT $limit");
3695
3696                 $cur_feed_title = "";
3697
3698                 $headlines_count = db_num_rows($result);
3699
3700                 $headlines = array();
3701
3702                 while ($line = db_fetch_assoc($result)) {
3703                         array_push($headlines, $line);
3704                 }
3705
3706                 for ($i = 0; $i < sizeof($headlines); $i++) {
3707
3708                         $line = $headlines[$i];
3709
3710                         array_push($affected_ids, $line["ref_id"]);
3711
3712                         $updated = smart_date_time(strtotime($line["last_updated"]));
3713
3714                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3715                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3716                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3717                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3718                         $tpl->setVariable('ARTICLE_EXCERPT',
3719                                 truncate_string(strip_tags($line["excerpt"]), 100));
3720
3721                         $tpl->addBlock('article');
3722
3723                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3724                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3725                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3726                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3727 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3728 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3729
3730                         $tpl_t->addBlock('article');
3731
3732                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3733                                 $tpl->addBlock('feed');
3734                                 $tpl_t->addBlock('feed');
3735                         }
3736
3737                 }
3738
3739                 $tpl->addBlock('digest');
3740                 $tpl->generateOutputToString($tmp);
3741
3742                 $tpl_t->addBlock('digest');
3743                 $tpl_t->generateOutputToString($tmp_t);
3744
3745                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3746         }
3747
3748         function check_for_update($link) {
3749                 $releases_feed = "http://tt-rss.org/releases.rss";
3750
3751                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3752                         return;
3753                 }
3754
3755                 error_reporting(0);
3756                 if (ENABLE_SIMPLEPIE) {
3757                         $rss = new SimplePie();
3758                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3759 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3760                         $rss->set_feed_url($fetch_url);
3761                         $rss->set_output_encoding('UTF-8');
3762                         $rss->init();
3763                 } else {
3764                         $rss = fetch_rss($releases_feed);
3765                 }
3766                 error_reporting (DEFAULT_ERROR_LEVEL);
3767
3768                 if ($rss) {
3769
3770                         if (ENABLE_SIMPLEPIE) {
3771                                 $items = $rss->get_items();
3772                         } else {
3773                                 $items = $rss->items;
3774
3775                                 if (!$items || !is_array($items)) $items = $rss->entries;
3776                                 if (!$items || !is_array($items)) $items = $rss;
3777                         }
3778
3779                         if (!is_array($items) || count($items) == 0) {
3780                                 return;
3781                         }
3782
3783                         $latest_item = $items[0];
3784
3785                         if (ENABLE_SIMPLEPIE) {
3786                                 $last_title = $latest_item->get_title();
3787                         } else {
3788                                 $last_title = $latest_item["title"];
3789                         }
3790
3791                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3792
3793                         if (ENABLE_SIMPLEPIE) {
3794                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3795                                 $content = sanitize_rss($link, $latest_item->get_description());
3796                         } else {
3797                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3798                                 $content = sanitize_rss($link, $latest_item["description"]);
3799                         }
3800
3801                         if (version_compare(VERSION, $latest_version) == -1) {
3802                                 return sprintf("New version of Tiny-Tiny RSS (%s) is available:",
3803                                         $latest_version)."<div class='milestoneDetails'>$content</div>";
3804                         } else {
3805                                 return false;
3806                         }
3807                 }
3808         }
3809
3810         function markArticlesById($link, $ids, $cmode) {
3811
3812                 $tmp_ids = array();
3813
3814                 foreach ($ids as $id) {
3815                         array_push($tmp_ids, "ref_id = '$id'");
3816                 }
3817
3818                 $ids_qpart = join(" OR ", $tmp_ids);
3819
3820                 if ($cmode == 0) {
3821                         db_query($link, "UPDATE ttrss_user_entries SET
3822                         marked = false,last_read = NOW()
3823                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3824                 } else if ($cmode == 1) {
3825                         db_query($link, "UPDATE ttrss_user_entries SET
3826                         marked = true
3827                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3828                 } else {
3829                         db_query($link, "UPDATE ttrss_user_entries SET
3830                         marked = NOT marked,last_read = NOW()
3831                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3832                 }
3833         }
3834
3835         function publishArticlesById($link, $ids, $cmode) {
3836
3837                 $tmp_ids = array();
3838
3839                 foreach ($ids as $id) {
3840                         array_push($tmp_ids, "ref_id = '$id'");
3841                 }
3842
3843                 $ids_qpart = join(" OR ", $tmp_ids);
3844
3845                 if ($cmode == 0) {
3846                         db_query($link, "UPDATE ttrss_user_entries SET
3847                         published = false,last_read = NOW()
3848                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3849                 } else if ($cmode == 1) {
3850                         db_query($link, "UPDATE ttrss_user_entries SET
3851                         published = true
3852                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3853                 } else {
3854                         db_query($link, "UPDATE ttrss_user_entries SET
3855                         published = NOT published,last_read = NOW()
3856                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3857                 }
3858         }
3859
3860         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
3861
3862                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3863
3864                 $tmp_ids = array();
3865
3866                 foreach ($ids as $id) {
3867                         array_push($tmp_ids, "ref_id = '$id'");
3868                 }
3869
3870                 $ids_qpart = join(" OR ", $tmp_ids);
3871
3872                 if ($cmode == 0) {
3873                         db_query($link, "UPDATE ttrss_user_entries SET
3874                         unread = false,last_read = NOW()
3875                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3876                 } else if ($cmode == 1) {
3877                         db_query($link, "UPDATE ttrss_user_entries SET
3878                         unread = true
3879                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3880                 } else {
3881                         db_query($link, "UPDATE ttrss_user_entries SET
3882                         unread = NOT unread,last_read = NOW()
3883                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3884                 }
3885
3886                 /* update ccache */
3887
3888                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
3889                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3890
3891                 while ($line = db_fetch_assoc($result)) {
3892                         ccache_update($link, $line["feed_id"], $owner_uid);
3893                 }
3894         }
3895
3896         function catchupArticleById($link, $id, $cmode) {
3897
3898                 if ($cmode == 0) {
3899                         db_query($link, "UPDATE ttrss_user_entries SET
3900                         unread = false,last_read = NOW()
3901                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3902                 } else if ($cmode == 1) {
3903                         db_query($link, "UPDATE ttrss_user_entries SET
3904                         unread = true
3905                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3906                 } else {
3907                         db_query($link, "UPDATE ttrss_user_entries SET
3908                         unread = NOT unread,last_read = NOW()
3909                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3910                 }
3911         }
3912
3913         function make_guid_from_title($title) {
3914                 return preg_replace("/[ \"\',.:;]/", "-",
3915                         mb_strtolower(strip_tags($title), 'utf-8'));
3916         }
3917
3918         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
3919                         $feed_id, $is_cat, $search, $match_on,
3920                         $search_mode) {
3921
3922                         print "<div class=\"headlinesSubToolbar\">";
3923
3924                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
3925                         $page_next_link = "javascript:viewFeedGoPage(1)";
3926                         $page_first_link = "javascript:viewFeedGoPage(0)";
3927
3928                         $catchup_page_link = "javascript:catchupPage()";
3929                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
3930                         $catchup_sel_link = "javascript:catchupSelection()";
3931
3932                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
3933
3934                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
3935                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
3936                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
3937                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
3938
3939                                 $tog_unread_link = "javascript:selectionToggleUnread()";
3940                                 $tog_marked_link = "javascript:selectionToggleMarked()";
3941                                 $tog_published_link = "javascript:selectionTogglePublished()";
3942
3943                         } else {
3944
3945                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
3946                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
3947                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
3948
3949                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
3950
3951                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
3952                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
3953                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
3954
3955                         }
3956
3957                         print "<div id=\"subtoolbar_ftitle\">";
3958
3959                         if ($feed_site_url) {
3960                                 if (!$bottom) {
3961                                         $target = "target=\"_blank\"";
3962                                 }
3963                                 print "<a $target href=\"$feed_site_url\">".
3964                                         truncate_string($feed_title,30)."</a>";
3965                         } else {
3966                                 print $feed_title;
3967                         }
3968
3969                         if ($search) {
3970                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
3971                         }
3972
3973                         print "
3974                                 <a target=\"_blank\"
3975                                         href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
3976                                         <img class=\"noborder\"
3977                                                 alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
3978                                                 </a>";
3979
3980                         print "</div>";
3981
3982                         print __('Select:')."
3983                                 <a href=\"$sel_all_link\">".__('All')."</a>,
3984                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3985                                 <a href=\"$sel_inv_link\">".__('Invert')."</a>,
3986                                 <a href=\"$sel_none_link\">".__('None')."</a></li>";
3987
3988                         print "&nbsp;&nbsp;";
3989
3990                         print "<span
3991                                 onmouseover=\"enable_selection(false)\"
3992             onmouseout=\"enable_selection(true)\"
3993                                 onclick=\"toggleHeadlineActions()\" id=\"headlineActionsDrop\">".
3994                                 __("Actions...") . "&nbsp;&nbsp;<img src=\"images/down_arrow.png\">
3995                                 </span>";
3996
3997                         print "<ul id=\"headlineActionsBody\" style=\"display : none\">";
3998
3999                         print "<li class=\"insensitive\">".__('Selection toggle:')."</li>
4000                                 <li onclick=\"$tog_unread_link\">&nbsp;&nbsp;".__('Unread')."</li>
4001                                 <li onclick=\"$tog_marked_link\">&nbsp;&nbsp;".__('Starred')."</li>
4002                                 <li onclick=\"$tog_published_link\">&nbsp;&nbsp;".__('Published')."</li>
4003                                 <!-- <li><span class=\"insensitive\">--------</span></li> -->
4004                                 <li class=\"insensitive\">".__('Mark as read:')."</li>
4005                                 <li onclick=\"$catchup_sel_link\">&nbsp;&nbsp;".__('Selection')."</li>";
4006
4007                         print "<li onclick=\"$catchup_feed_link\">&nbsp;&nbsp;".__('Entire feed').
4008                                 "</li>";
4009
4010                         //print "<li><span class=\"insensitive\">--------</span></li>";
4011                         print "<li class=\"insensitive\">".__('Assign label:')."</li>";
4012
4013                         print_labels_headlines_dropdown($link, $feed_id);
4014
4015                         print "</ul>";
4016
4017                         print "</div>";
4018                 }
4019
4020         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
4021
4022                         $tmp_category = getCategoryTitle($link, $cat_id);
4023
4024                         if ($cat_id > 0) {
4025                                 $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
4026                         } else if ($cat_id == 0 || $cat_id == -2) {
4027                                 $cat_unread = getCategoryUnread($link, $cat_id);
4028                         }
4029
4030                         if ($hidden) {
4031                                 $holder_style = "display:none;";
4032                                 $ellipsis = "…";
4033                         } else {
4034                                 $holder_style = "";
4035                                 $ellipsis = "";
4036                         }
4037
4038                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4039
4040                         if ($can_browse) {
4041                                 $browse_cat_link = "onclick=\"javascript:viewCategory($cat_id)\"";
4042                                 $inner_title_class = "catTitle";
4043                         } else {
4044                                 $browse_cat_link = "";
4045                                 $inner_title_class = "catTitleNL";
4046                         }
4047
4048                         $cat_class = "feedCat";
4049
4050                         print "<li class=\"$cat_class\" id=\"FCAT-$cat_id\">
4051                                 <img onclick=\"toggleCollapseCat($cat_id)\" class=\"catCollapse\"
4052                                         title=\"".__('Click to collapse category')."\"
4053                                         src=\"images/cat-collapse.png\"><span class=\"$inner_title_class\"
4054                                         id=\"FCATN-$cat_id\" $browse_cat_link
4055                                 \">$tmp_category</span>";
4056
4057                         print "<span id=\"FCAP-$cat_id\">";
4058
4059                         print " <span id=\"FCATCTR-$cat_id\"
4060                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4061
4062                         print "</span>";
4063
4064                         //print "</li>";
4065
4066                         print "<ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4067
4068         }
4069
4070         function outputFeedList($link, $tags = false) {
4071
4072                 print "<ul class=\"feedList\" id=\"feedList\">";
4073
4074                 $owner_uid = $_SESSION["uid"];
4075
4076                 /* virtual feeds */
4077
4078                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4079
4080                         if ($_COOKIE["ttrss_vf_vclps"] == 1) {
4081                                 $cat_hidden = true;
4082                         } else {
4083                                 $cat_hidden = false;
4084                         }
4085
4086                         printCategoryHeader($link, -1, $cat_hidden, false);
4087                 }
4088
4089                 $num_starred = getFeedUnread($link, -1);
4090                 $num_published = getFeedUnread($link, -2);
4091                 $num_fresh = getFeedUnread($link, -3);
4092                 $num_total = getFeedUnread($link, -4);
4093
4094                 $class = "virt";
4095
4096                 if ($num_total > 0) $class .= "Unread";
4097
4098                 printFeedEntry(-4, $class, __("All articles"), $num_total,
4099                         "images/tag.png", $link);
4100
4101                 $class = "virt";
4102
4103                 if ($num_fresh > 0) $class .= "Unread";
4104
4105                 printFeedEntry(-3, $class, __("Fresh articles"), $num_fresh,
4106                         "images/fresh.png", $link);
4107
4108                 $class = "virt";
4109
4110                 if ($num_starred > 0) $class .= "Unread";
4111
4112                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4113
4114                 if ($is_ie) {
4115                         $mark_img_ext = "gif";
4116                 } else {
4117                         $mark_img_ext = "png";
4118                 }
4119
4120                 printFeedEntry(-1, $class, __("Starred articles"), $num_starred,
4121                         "images/mark_set.$mark_img_ext", $link);
4122
4123                 $class = "virt";
4124
4125                 if ($num_published > 0) $class .= "Unread";
4126
4127                 printFeedEntry(-2, $class, __("Published articles"), $num_published,
4128                         "images/pub_set.gif", $link);
4129
4130                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4131                         print "</ul></li>";
4132                 }
4133
4134                 if (!$tags) {
4135
4136
4137                                 $result = db_query($link, "SELECT * FROM
4138                                         ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4139
4140                                 if (db_num_rows($result) > 0) {
4141                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4142
4143                                                 if ($_COOKIE["ttrss_vf_lclps"] == 1) {
4144                                                         $cat_hidden = true;
4145                                                 } else {
4146                                                         $cat_hidden = false;
4147                                                 }
4148
4149                                                 printCategoryHeader($link, -2, $cat_hidden, true);
4150
4151                                         } else {
4152                                                 print "<li><hr></li>";
4153                                         }
4154                                 }
4155
4156                                 while ($line = db_fetch_assoc($result)) {
4157
4158                                         $label_id = -$line['id'] - 11;
4159                                         $count = getFeedUnread($link, $label_id);
4160
4161                                         $class = "label";
4162
4163                                         if ($count > 0) {
4164                                                 $class .= "Unread";
4165                                         }
4166
4167                                         printFeedEntry($label_id,
4168                                                 $class, $line["caption"],
4169                                                 $count, "images/label.png", $link,
4170                                                 false, false, false,
4171                                                 $line['fg_color'], $line['bg_color']);
4172
4173                                 }
4174
4175                                 if (db_num_rows($result) > 0) {
4176                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4177                                                 print "</ul>";
4178                                         }
4179                                 }
4180
4181
4182                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4183                                 print "<li><hr></li>";
4184                         }
4185
4186                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4187                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4188                                         $order_by_qpart = "order_id,category,unread DESC,title";
4189                                 } else {
4190                                         $order_by_qpart = "order_id,category,title";
4191                                 }
4192                         } else {
4193                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4194                                         $order_by_qpart = "unread DESC,title";
4195                                 } else {
4196                                         $order_by_qpart = "title";
4197                                 }
4198                         }
4199
4200                         $age_qpart = getMaxAgeSubquery();
4201
4202                         $query = "SELECT ttrss_feeds.*,
4203                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4204                                 cat_id,last_error,
4205                                 ttrss_feed_categories.title AS category,
4206                                 ttrss_feed_categories.collapsed,
4207                                 value AS unread
4208                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4209                                         ON (ttrss_feed_categories.id = cat_id)
4210                                 LEFT JOIN ttrss_counters_cache
4211                                         ON
4212                                                 (ttrss_feeds.id = feed_id)
4213                                 WHERE
4214                                         ttrss_feeds.hidden = false AND
4215                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4216                                 ORDER BY $order_by_qpart";
4217
4218                         $result = db_query($link, $query);
4219
4220                         $actid = $_GET["actid"];
4221
4222                         /* real feeds */
4223
4224                         $lnum = 0;
4225
4226                         $total_unread = 0;
4227
4228                         $category = "";
4229
4230                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4231
4232                         while ($line = db_fetch_assoc($result)) {
4233
4234                                 $feed = trim($line["title"]);
4235
4236                                 if (!$feed) $feed = "[Untitled]";
4237
4238                                 $feed_id = $line["id"];
4239                                 $unread = $line["unread"];
4240
4241                                 $subop = $_GET["subop"];
4242
4243                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4244                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4245                                 } else {
4246                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4247                                 }
4248
4249                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4250
4251                                 if ($rtl_content) {
4252                                         $rtl_tag = "dir=\"RTL\"";
4253                                 } else {
4254                                         $rtl_tag = "";
4255                                 }
4256
4257                                 $tmp_result = db_query($link,
4258                                         "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
4259                                                 WHERE parent_feed = '$feed_id' AND feed_id = id");
4260
4261                                 $unread += db_fetch_result($tmp_result, 0, "unread");
4262
4263                                 $cat_id = $line["cat_id"];
4264
4265                                 $tmp_category = $line["category"];
4266
4267                                 if (!$tmp_category) {
4268                                         $tmp_category = __("Uncategorized");
4269                                 }
4270
4271         //                      $class = ($lnum % 2) ? "even" : "odd";
4272
4273                                 if ($line["last_error"]) {
4274                                         $class = "error";
4275                                 } else {
4276                                         $class = "feed";
4277                                 }
4278
4279                                 if ($unread > 0) $class .= "Unread";
4280
4281                                 if ($actid == $feed_id) {
4282                                         $class .= "Selected";
4283                                 }
4284
4285                                 $total_unread += $unread;
4286
4287                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4288
4289                                         if ($category) {
4290                                                 print "</ul></li>";
4291                                         }
4292
4293                                         $category = $tmp_category;
4294
4295                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4296
4297                                         // workaround for NULL category
4298                                         if ($category == __("Uncategorized")) {
4299                                                 if ($_COOKIE["ttrss_vf_uclps"] == 1) {
4300                                                         $collapsed = "t";
4301                                                 }
4302                                         }
4303
4304                                         $cat_id = sprintf("%d", $cat_id);
4305
4306                                         printCategoryHeader($link, $cat_id, $collapsed, true);
4307
4308                                 }
4309
4310                                 printFeedEntry($feed_id, $class, $feed, $unread,
4311                                         ICONS_URL."/$feed_id.ico", $link, $rtl_content,
4312                                         $last_updated, $line["last_error"]);
4313
4314                                 ++$lnum;
4315                         }
4316
4317                         if (db_num_rows($result) == 0) {
4318                                 print "<li>".__('No feeds to display.')."</li>";
4319                         }
4320
4321                 } else {
4322
4323                         // tags
4324
4325 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4326                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4327                                 post_int_id = ttrss_user_entries.int_id AND
4328                                 unread = true AND ref_id = ttrss_entries.id
4329                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4330                         UNION
4331                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4332                         ORDER BY tag_name"); */
4333
4334                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4335                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4336                                 print "<ul class=\"feedCatList\">";
4337                         }
4338
4339                         $age_qpart = getMaxAgeSubquery();
4340
4341                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4342                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4343                                         AND ref_id = id AND $age_qpart
4344                                         AND unread = true)) AS count FROM ttrss_tags
4345                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4346                                         ORDER BY count DESC LIMIT 50");
4347
4348                         $tags = array();
4349
4350                         while ($line = db_fetch_assoc($result)) {
4351                                 $tags[$line["tag_name"]] += $line["count"];
4352                         }
4353
4354                         foreach (array_keys($tags) as $tag) {
4355
4356                                 $unread = $tags[$tag];
4357
4358                                 $class = "tag";
4359
4360                                 if ($unread > 0) {
4361                                         $class .= "Unread";
4362                                 }
4363
4364                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4365
4366                         }
4367
4368                         if (db_num_rows($result) == 0) {
4369                                 print "<li>No tags to display.</li>";
4370                         }
4371
4372                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4373                                 print "</ul>";
4374                         }
4375
4376                 }
4377
4378                 print "</ul>";
4379
4380         }
4381
4382         function get_article_tags($link, $id, $owner_uid = 0) {
4383
4384                 $a_id = db_escape_string($id);
4385
4386                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4387
4388                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name,
4389                         owner_uid as owner FROM
4390                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4391                                 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
4392
4393                 $tags = array();
4394
4395                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4396                         array_push($tags, $tmp_line["tag_name"]);
4397                 }
4398
4399                 return $tags;
4400         }
4401
4402         function trim_value(&$value) {
4403                 $value = trim($value);
4404         }
4405
4406         function trim_array($array) {
4407                 $tmp = $array;
4408                 array_walk($tmp, 'trim_value');
4409                 return $tmp;
4410         }
4411
4412         function tag_is_valid($tag) {
4413                 if ($tag == '') return false;
4414                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4415
4416                 if (function_exists('iconv')) {
4417                         $tag = iconv("utf-8", "utf-8", $tag);
4418                 }
4419
4420                 if (!$tag) return false;
4421
4422                 return true;
4423         }
4424
4425         function render_login_form($link, $mobile = false) {
4426                 if (!$mobile) {
4427                         require_once "login_form.php";
4428                 } else {
4429                         require_once "mobile/login_form.php";
4430                 }
4431         }
4432
4433         // from http://developer.apple.com/internet/safari/faq.html
4434         function no_cache_incantation() {
4435                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4436                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4437                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4438                 header("Cache-Control: post-check=0, pre-check=0", false);
4439                 header("Pragma: no-cache"); // HTTP/1.0
4440         }
4441
4442         function format_warning($msg, $id = "") {
4443                 return "<div class=\"warning\" id=\"$id\">
4444                         <img src=\"images/sign_excl.gif\">$msg</div>";
4445         }
4446
4447         function format_notice($msg) {
4448                 return "<div class=\"notice\">
4449                         <img src=\"images/sign_info.gif\">$msg</div>";
4450         }
4451
4452         function format_error($msg) {
4453                 return "<div class=\"error\">
4454                         <img src=\"images/sign_excl.gif\">$msg</div>";
4455         }
4456
4457         function print_notice($msg) {
4458                 return print format_notice($msg);
4459         }
4460
4461         function print_warning($msg) {
4462                 return print format_warning($msg);
4463         }
4464
4465         function print_error($msg) {
4466                 return print format_error($msg);
4467         }
4468
4469
4470         function T_sprintf() {
4471                 $args = func_get_args();
4472                 return vsprintf(__(array_shift($args)), $args);
4473         }
4474
4475         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4476                 $zoom_mode = false) {
4477
4478                 /* we can figure out feed_id from article id anyway, why do we
4479                  * pass feed_id here? */
4480
4481                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4482                         WHERE ref_id = '$id'");
4483
4484                 $feed_id = db_fetch_result($result, 0, "feed_id");
4485
4486                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4487
4488                 $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4489                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4490
4491                 if (db_num_rows($result) == 1) {
4492                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4493                 } else {
4494                         $rtl_content = false;
4495                 }
4496
4497                 if ($rtl_content) {
4498                         $rtl_tag = "dir=\"RTL\"";
4499                         $rtl_class = "RTL";
4500                 } else {
4501                         $rtl_tag = "";
4502                         $rtl_class = "";
4503                 }
4504
4505                 if ($mark_as_read) {
4506                         $result = db_query($link, "UPDATE ttrss_user_entries
4507                                 SET unread = false,last_read = NOW()
4508                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4509
4510                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4511                 }
4512
4513                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4514                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4515                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4516                         num_comments,
4517                         author
4518                         FROM ttrss_entries,ttrss_user_entries
4519                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4520
4521                 if ($result) {
4522
4523                         $link_target = "";
4524
4525                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4526                                 $link_target = "target=\"_blank\"";
4527                         }
4528
4529                         $line = db_fetch_assoc($result);
4530
4531                         if ($line["icon_url"]) {
4532                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4533                         } else {
4534                                 $feed_icon = "&nbsp;";
4535                         }
4536
4537                         $num_comments = $line["num_comments"];
4538                         $entry_comments = "";
4539
4540                         if ($num_comments > 0) {
4541                                 if ($line["comments"]) {
4542                                         $comments_url = $line["comments"];
4543                                 } else {
4544                                         $comments_url = $line["link"];
4545                                 }
4546                                 $entry_comments = "<a $link_target href=\"$comments_url\">$num_comments comments</a>";
4547                         } else {
4548                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4549                                         $entry_comments = "<a $link_target href=\"".$line["comments"]."\">comments</a>";
4550                                 }
4551                         }
4552
4553                         if ($zoom_mode) {
4554                                 header("Content-Type: text/html");
4555                                 print "<html><head>
4556                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4557                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4558                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4559                                         </head><body>";
4560                         }
4561
4562
4563                         print "<div class=\"postReply\">";
4564
4565                         print "<div class=\"postHeader\" onmouseover=\"enable_resize(true)\"
4566                                 onmouseout=\"enable_resize(false)\">";
4567
4568                         $entry_author = $line["author"];
4569
4570                         if ($entry_author) {
4571                                 $entry_author = __(" - ") . $entry_author;
4572                         }
4573
4574                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4575                                 strtotime($line["updated"]));
4576
4577                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4578
4579                         if ($line["link"]) {
4580                                 print "<div clear='both'><a $link_target href=\"" . $line["link"] . "\">" .
4581                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4582                         } else {
4583                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4584                         }
4585
4586                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4587
4588                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4589
4590                         print "<div style='float : right'>
4591                                         <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>";
4592
4593                         if (!$zoom_mode) {
4594                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4595                                         <a title=\"".__('Edit tags for this article')."\"
4596                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a>";
4597
4598                                 if (defined('_ENABLE_INLINE_VIEW')) {
4599
4600                                         print "<img src=\"images/art-inline.png\" class='tagsPic'
4601                                                         style=\"cursor : pointer\" style=\"cursor : pointer\"
4602                                                         onclick=\"showOriginalArticleInline($id)\"
4603                                                         alt='Inline' title='".__('Display original article content')."'>";
4604
4605                                 }
4606
4607                                 print "<img src=\"images/art-zoom.png\" class='tagsPic'
4608                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
4609                                                 onclick=\"zoomToArticle($id)\"
4610                                                 alt='Zoom' title='".__('Show article summary in new window')."'>";
4611                         }
4612                         print "</div>";
4613                         print "<div clear='both'>$entry_comments</div>";
4614
4615                         print "</div>";
4616
4617                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4618
4619                         print "<div class=\"postContent\">";
4620
4621                         $article_content = sanitize_rss($link, $line["content"]);
4622
4623                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4624                                 $article_content = preg_replace("/href=/i", "target=\"_blank\" href=",
4625                                         $article_content);
4626                         }
4627
4628                         print $article_content;
4629
4630                         $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4631                                 post_id = '$id' AND content_url != ''");
4632
4633                         if (db_num_rows($result) > 0) {
4634
4635                                 $entries_html = array();
4636                                 $entries = array();
4637
4638                                 while ($line = db_fetch_assoc($result)) {
4639
4640                                         $url = $line["content_url"];
4641                                         $ctype = $line["content_type"];
4642
4643                                         if (!$ctype) $ctype = __("unknown type");
4644
4645                                         $filename = substr($url, strrpos($url, "/")+1);
4646
4647                                         $entry = "";
4648
4649                                         if (($ctype == __("audio/mpeg")) &&
4650                                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4651
4652                                                 $entry .= "<object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object> ";
4653
4654                                         }
4655
4656                                         $entry .= "<a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4657                                                 $filename . " (" . $ctype . ")" . "</a>";
4658
4659                                         array_push($entries_html, $entry);
4660
4661                                         $entry = array();
4662
4663                                         $entry["type"] = $ctype;
4664                                         $entry["filename"] = $filename;
4665                                         $entry["url"] = $url;
4666
4667                                         array_push($entries, $entry);
4668                                 }
4669
4670                                 print "<div class=\"postEnclosures\">";
4671
4672                                 if (!preg_match("/img/i", $article_content)) {
4673                                         foreach ($entries as $entry) {
4674                                                 if (preg_match("/image/", $entry["type"])) {
4675                                                         print "<p><img
4676                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
4677                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
4678                                                 }
4679                                         }
4680                                 }
4681
4682                                 print "<div class=\"postEnclosures\">";
4683
4684                                 if (db_num_rows($result) == 1) {
4685                                         print __("Attachment:") . " ";
4686                                 } else {
4687                                         print __("Attachments:") . " ";
4688                                 }
4689
4690                                 print join(", ", $entries_html);
4691
4692                                 print "</div>";
4693                         }
4694
4695                         print "</div>";
4696
4697                         print "</div>";
4698
4699                 }
4700
4701                 if (!$zoom_mode) {
4702                         print "]]></article>";
4703                 } else {
4704                         print "
4705                                 <div style=\"text-align : center\">
4706                                 <input type=\"submit\" onclick=\"return window.close()\"
4707                                 value=\"".__("Close this window")."\"></div>";
4708                         print "</body></html>";
4709
4710                 }
4711
4712         }
4713
4714         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4715                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4716                                         $override_order = false) {
4717
4718                 $disable_cache = false;
4719
4720                 $timing_info = getmicrotime();
4721
4722                 $topmost_article_ids = array();
4723
4724                 if (!$offset) {
4725                         $offset = 0;
4726                 }
4727
4728                 if ($subop == "undefined") $subop = "";
4729
4730                 $subop_split = split(":", $subop);
4731
4732                 if ($subop == "CatchupSelected") {
4733                         $ids = split(",", db_escape_string($_GET["ids"]));
4734                         $cmode = sprintf("%d", $_GET["cmode"]);
4735
4736                         catchupArticlesById($link, $ids, $cmode);
4737                 }
4738
4739                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4740                         update_generic_feed($link, $feed, $cat_view, true);
4741                 }
4742
4743                 if ($subop == "MarkAllRead")  {
4744                         catchup_feed($link, $feed, $cat_view);
4745
4746                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4747                                 if ($next_unread_feed) {
4748                                         $feed = $next_unread_feed;
4749                                 }
4750                         }
4751                 }
4752
4753                 if ($subop_split[0] == "MarkAllReadGR")  {
4754                         catchup_feed($link, $subop_split[1], false);
4755                 }
4756
4757
4758                 if ($feed_id > 0) {
4759                         $result = db_query($link,
4760                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4761
4762                         if (db_num_rows($result) == 0) {
4763                                 print "<div align='center'>".__('Feed not found.')."</div>";
4764                                 return;
4765                         }
4766                 }
4767
4768                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4769
4770                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4771                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4772
4773                         if (db_num_rows($result) == 1) {
4774                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4775                         } else {
4776                                 $rtl_content = false;
4777                         }
4778
4779                         if ($rtl_content) {
4780                                 $rtl_tag = "dir=\"RTL\"";
4781                         } else {
4782                                 $rtl_tag = "";
4783                         }
4784                 } else {
4785                         $rtl_tag = "";
4786                         $rtl_content = false;
4787                 }
4788
4789                 $script_dt_add = get_script_dt_add();
4790
4791                 /// START /////////////////////////////////////////////////////////////////////////////////
4792
4793                 $search = db_escape_string($_GET["query"]);
4794
4795                 if ($search) {
4796                         $disable_cache = true;
4797                 }
4798
4799                 $search_mode = db_escape_string($_GET["search_mode"]);
4800                 $match_on = db_escape_string($_GET["match_on"]);
4801
4802                 if (!$match_on) {
4803                         $match_on = "both";
4804                 }
4805
4806                 $real_offset = $offset * $limit;
4807
4808                 if ($_GET["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4809
4810                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4811                         $search, $search_mode, $match_on, $override_order, $real_offset);
4812
4813                 if ($_GET["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4814
4815                 $result = $qfh_ret[0];
4816                 $feed_title = $qfh_ret[1];
4817                 $feed_site_url = $qfh_ret[2];
4818                 $last_error = $qfh_ret[3];
4819
4820                 $vgroup_last_feed = $vgr_last_feed;
4821
4822                 if ($feed == -2) {
4823                         $feed_site_url = article_publish_url($link);
4824                 }
4825
4826                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4827
4828                 if (!$offset) {
4829                         print "<div id=\"headlinesContainer\" $rtl_tag>";
4830
4831                         if (!$result) {
4832                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4833                                 return;
4834                         }
4835
4836                         print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4837                                 $feed, $cat_view, $search, $match_on, $search_mode);
4838
4839                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4840                 }
4841
4842                 $headlines_count = db_num_rows($result);
4843
4844                 if (db_num_rows($result) > 0) {
4845
4846 #                       print "\{$offset}";
4847
4848                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4849                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
4850                                         cellspacing=\"0\">";
4851                         }
4852
4853                         $lnum = $limit*$offset;
4854
4855                         error_reporting (DEFAULT_ERROR_LEVEL);
4856
4857                         $num_unread = 0;
4858                         $cur_feed_title = '';
4859
4860                         while ($line = db_fetch_assoc($result)) {
4861
4862                                 $class = ($lnum % 2) ? "even" : "odd";
4863
4864                                 $id = $line["id"];
4865                                 $feed_id = $line["feed_id"];
4866
4867                                 $labels = get_article_labels($link, $id);
4868
4869                                 $labels_str = "<span id=\"HLLCTR-$id\">";
4870                                 $labels_str .= format_article_labels($labels, $id);
4871                                 $labels_str .= "</span>";
4872
4873                                 if (count($topmost_article_ids) < 5) {
4874                                         array_push($topmost_article_ids, $id);
4875                                 }
4876
4877                                 if ($line["last_read"] == "" &&
4878                                                 ($line["unread"] != "t" && $line["unread"] != "1")) {
4879
4880                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\"
4881                                                 alt=\"Updated\">";
4882                                 } else {
4883                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
4884                                                 alt=\"Updated\">";
4885                                 }
4886
4887                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
4888                                         $class .= "Unread";
4889                                         ++$num_unread;
4890                                         $is_unread = true;
4891                                 } else {
4892                                         $is_unread = false;
4893                                 }
4894
4895                                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4896
4897                                 if ($is_ie) {
4898                                         $mark_img_ext = "gif";
4899                                 } else {
4900                                         $mark_img_ext = "png";
4901                                 }
4902
4903                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
4904                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.$mark_img_ext\"
4905                                                 class=\"markedPic\"
4906                                                 alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
4907                                 } else {
4908                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.$mark_img_ext\"
4909                                                 class=\"markedPic\"
4910                                                 alt=\"Star article\" onclick='javascript:tMark($id)'>";
4911                                 }
4912
4913                                 if ($line["published"] == "t" || $line["published"] == "1") {
4914                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\"
4915                                                 class=\"markedPic\"
4916                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
4917                                 } else {
4918                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\"
4919                                                 class=\"markedPic\"
4920                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
4921                                 }
4922
4923 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
4924 #                                       $line["title"] . "</a>";
4925
4926 #                               $content_link = "<a
4927 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
4928 #                                       onclick=\"view($id,$feed_id);\">" .
4929 #                                       $line["title"] . "</a>";
4930
4931 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
4932 #                                       $line["title"] . "</a>";
4933
4934                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4935                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
4936                                 } else {
4937                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4938                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
4939                                 }
4940
4941                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4942                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
4943                                                 100);
4944                                 }
4945
4946                                 $score = $line["score"];
4947
4948                                 $score_pic = get_score_pic($score);
4949
4950 /*                              $score_title = __("(Click to change)");
4951                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
4952                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
4953
4954                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
4955                                         title=\"$score\">";
4956
4957                                 if ($score > 500) {
4958                                         $hlc_suffix = "H";
4959                                 } else if ($score < -100) {
4960                                         $hlc_suffix = "L";
4961                                 } else {
4962                                         $hlc_suffix = "";
4963                                 }
4964
4965                                 $entry_author = $line["author"];
4966
4967                                 if ($entry_author) {
4968                                         $entry_author = " - $entry_author";
4969                                 }
4970
4971                                 $has_feed_icon = feed_has_icon($feed_id);
4972
4973                                 if ($has_feed_icon) {
4974                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
4975                                 } else {
4976                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
4977                                         $feed_icon_img = "";
4978                                 }
4979
4980                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4981
4982                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
4983                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
4984
4985                                                         $cur_feed_title = $line["feed_title"];
4986                                                         $vgroup_last_feed = $feed_id;
4987
4988                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
4989
4990                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>mark as read</a>)";
4991
4992                                                         print "<tr class='feedTitle'><td colspan='7'>".
4993                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
4994                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
4995                                                                 $line["feed_title"]."</a> $vf_catchup_link</td></tr>";
4996                                                 }
4997                                         }
4998
4999                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5000                                                 onmouseout='postMouseOut($id)'";
5001
5002                                         print "<tr class='$class' id='RROW-$id' $mouseover_attrs>";
5003
5004                                         print "<td class='hlUpdPic'>$update_pic</td>";
5005
5006                                         print "<td class='hlSelectRow'>
5007                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
5008                                                         id=\"RCHK-$id\">
5009                                                 </td>";
5010
5011                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
5012                                         print "<td class='hlMarkedPic'>$published_pic</td>";
5013
5014 #                                       if ($line["feed_title"]) {
5015 #                                               print "<td class='hlContent'>$content_link</td>";
5016 #                                               print "<td class='hlFeed'>
5017 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5018 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
5019 #                                       } else {
5020
5021                                         print "<td onclick='view($id,$feed_id)' class='hlContent$hlc_suffix' valign='middle'>";
5022
5023                                         print "<a id=\"RTITLE-$id\"
5024                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5025                                                 onclick=\"return view($id,$feed_id);\">" .
5026                                                 $line["title"];
5027
5028                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5029                                                 if ($content_preview) {
5030                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5031                                                 }
5032                                         }
5033
5034                                         print "</a>";
5035
5036                                         print $labels_str;
5037
5038 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5039 #                                                       $line["feed_title"]."</a>
5040
5041                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5042                                                 if ($line["feed_title"]) {
5043                                                         print "<span class=\"hlFeed\">
5044                                                                 (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5045                                                                 $line["feed_title"]."</a>)
5046                                                         </span>";
5047                                                 }
5048                                         }
5049                                         print "</td>";
5050
5051 #                                       }
5052
5053                                         print "<td class=\"hlUpdated\" onclick='view($id,$feed_id)'><nobr>$updated_fmt&nbsp;</nobr></td>";
5054
5055                                         print "<td class='hlMarkedPic'>$score_pic</td>";
5056
5057                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5058                                                 print "<td onclick=\"viewfeed($feed_id)\" class=\"hlFeedIcon\">$feed_icon_img</td>";
5059                                         }
5060
5061                                         print "</tr>";
5062
5063                                 } else {
5064
5065                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5066                                                 if ($feed_id != $vgroup_last_feed) {
5067
5068                                                         $cur_feed_title = $line["feed_title"];
5069                                                         $vgroup_last_feed = $feed_id;
5070
5071                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5072
5073                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>mark as read</a>)";
5074
5075                                                         $has_feed_icon = feed_has_icon($feed_id);
5076
5077                                                         if ($has_feed_icon) {
5078                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5079                                                         } else {
5080                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5081                                                         }
5082
5083                                                         print "<div class='cdmFeedTitle'>".
5084                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5085                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5086                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5087                                                 }
5088                                         }
5089
5090                                         if ($is_unread) {
5091                                                 $add_class = "Unread";
5092                                         } else {
5093                                                 $add_class = "";
5094                                         }
5095
5096                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5097                                         $show_excerpt = false;
5098
5099                                         if ($expand_cdm && $score >= -100) {
5100                                                 $cdm_cstyle = "";
5101                                                 $show_excerpt = false;
5102                                         } else {
5103                                                 $cdm_cstyle = "style=\"display : none\"";
5104                                                 $show_excerpt = true;
5105                                         }
5106
5107                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5108                                                 onmouseout='postMouseOut($id)'";
5109
5110                                         print "<div class=\"cdmArticle$add_class\"
5111                                                 id=\"RROW-$id\"
5112                                                 $mouseover_attrs'>";
5113
5114                                         print "<div class=\"cdmHeader\">";
5115
5116                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") || !$line["feed_title"]) {
5117                                                 $cdm_feed_icon = "<span style=\"cursor : pointer\" onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5118                                         }
5119
5120                                         print "<div class=\"articleUpdated\">$updated_fmt $score_pic $cdm_feed_icon
5121                                                 </div>";
5122
5123                                         print "<span id=\"RTITLE-$id\" class=\"titleWrap$hlc_suffix\"><a class=\"title\"
5124                                                 onclick=\"javascript:toggleUnread($id, 0)\"
5125                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5126                                                 ";
5127
5128                                         print $entry_author;
5129
5130 /*                                      if (!$expand_cdm || $score < -100) {
5131                                                 print "&nbsp;<a id=\"CICH-$id\"
5132                                                         href=\"javascript:cdmExpandArticle($id)\">
5133                                                         (".__('Show article').")</a>";
5134                                         } */
5135
5136                                         print $labels_str;
5137
5138                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5139                                                 if ($line["feed_title"]) {
5140                                                         print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
5141                                                 }
5142                                         }
5143
5144                                         print "</span></div>";
5145
5146                                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
5147                                                 $line["content_preview"] = preg_replace("/href=/i",
5148                                                         "target=\"_blank\" href=", $line["content_preview"]);
5149                                         }
5150
5151                                         if ($show_excerpt) {
5152                                                 print "<div class=\"cdmExcerpt\" id=\"CEXC-$id\"
5153                                                         onclick=\"cdmExpandArticle($id)\"
5154                                                         title=\"".__('Click to expand article')."\">";
5155                                                 print truncate_string(strip_tags($line["content_preview"]), 100);
5156                                                 print "</div>";
5157                                         }
5158
5159                                         print "<div class=\"cdmContent\"
5160                                                 onclick=\"cdmClicked($id)\"
5161                                                 id=\"CICD-$id\" $cdm_cstyle>";
5162
5163 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
5164
5165                                         print sanitize_rss($link, $line["content_preview"]);
5166                                         $article_content = $line["content_preview"];
5167
5168                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
5169                                                 post_id = '$id' AND content_url != ''");
5170
5171                                         if (db_num_rows($e_result) > 0) {
5172
5173                                 $entries_html = array();
5174                                 $entries = array();
5175
5176                                 while ($e_line = db_fetch_assoc($e_result)) {
5177
5178                                         $url = $e_line["content_url"];
5179                                         $ctype = $e_line["content_type"];
5180                                         if (!$ctype) $ctype = __("unknown type");
5181
5182                                         $filename = substr($url, strrpos($url, "/")+1);
5183
5184                                         $entry = "";
5185
5186                                         if (($ctype == __("audio/mpeg")) &&
5187                                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
5188
5189                                                 $entry .= "<object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object> ";
5190
5191                                         }
5192
5193                                         $entry .= "<a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5194                                                 $filename . " (" . $ctype . ")" . "</a>";
5195
5196                                         array_push($entries_html, $entry);
5197
5198                                         $entry = array();
5199
5200                                         $entry["type"] = $ctype;
5201                                         $entry["filename"] = $filename;
5202                                         $entry["url"] = $url;
5203
5204                                         array_push($entries, $entry);
5205                                 }
5206
5207                                 if (!preg_match("/img/i", $article_content)) {
5208                                         foreach ($entries as $entry) {
5209                                                 if (preg_match("/image/", $entry["type"])) {
5210                                                         print "<p><img
5211                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
5212                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
5213                                                 }
5214                                         }
5215                                 }
5216
5217                                 print "<div class=\"cdmEnclosures\">";
5218
5219                                 if (db_num_rows($e_result) == 1) {
5220                                         print __("Attachment:") . " ";
5221                                 } else {
5222                                         print __("Attachments:") . " ";
5223                                 }
5224
5225                                 print join(", ", $entries_html);
5226
5227                                 print "</div>";
5228                         }
5229
5230
5231                                         print "<br clear='both'>";
5232 //                                      print "</div>";
5233
5234 /*                                      if (!$expand_cdm) {
5235                                                 print "<a id=\"CICH-$id\"
5236                                                         href=\"javascript:cdmExpandArticle($id)\">
5237                                                         Show article</a>";
5238                                         } */
5239
5240                                         print "</div>";
5241
5242                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5243
5244                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5245
5246                                         print __("Select:").
5247                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5248                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5249
5250                                         print "</span><span class='s1'>$marked_pic</span> ";
5251                                         print "<span class='s1'>$published_pic</span> ";
5252                                         print "<span class='s1'><img src=\"images/art-zoom.png\" class='tagsPic'
5253                                                 onclick=\"zoomToArticle($id)\"
5254                                                 style=\"cursor : pointer\"
5255                                                 alt='Zoom'
5256                                                 title='".__('Show article summary in new window')."'></span>";
5257
5258                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5259
5260 //                                      print "<img src='images/tag.png' class='markedPic'>";
5261
5262                                         print "<span class='s1'>
5263                                                 <img class='tagsPic' src='images/tag.png' alt='Tags' title='Tags'>
5264                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5265                                                 <a title=\"".__('Edit tags for this article')."\"
5266                                                 href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5267
5268                                         print "</span>";
5269
5270                                         print "<span class='s2'>Toggle: <a class=\"cdmToggleLink\"
5271                                                         href=\"javascript:toggleUnread($id)\">
5272                                                         Unread</a></span>";
5273
5274                                         print "</div>";
5275                                         print "</div>";
5276
5277                                 }
5278
5279                                 ++$lnum;
5280                         }
5281
5282                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5283                                 print "</table>";
5284                         }
5285
5286                 } else {
5287                         $message = "";
5288
5289                         switch ($view_mode) {
5290                                 case "unread":
5291                                         $message = __("No unread articles found to display.");
5292                                         break;
5293                                 case "updated":
5294                                         $message = __("No updated articles found to display.");
5295                                         break;
5296                                 case "marked":
5297                                         $message = __("No starred articles found to display.");
5298                                         break;
5299                                 default:
5300                                         if ($feed < -10) {
5301                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5302                                         } else {
5303                                                 $message = __("No articles found to display.");
5304                                         }
5305                         }
5306
5307                         if (!$offset) print "<div class='whiteBox'>$message</div>";
5308                 }
5309
5310                 if (!$offset) {
5311                         print "</div>";
5312                         print "</div>";
5313                 }
5314
5315                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5316         }
5317
5318 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5319
5320         function printTagCloud($link) {
5321
5322                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5323                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5324                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5325
5326                 $result = db_query($link, $query);
5327
5328                 $tags = array();
5329
5330                 while ($line = db_fetch_assoc($result)) {
5331                         $tags[$line["tag_name"]] = $line["count"];
5332                 }
5333
5334                 ksort($tags);
5335
5336                 $max_size = 32; // max font size in pixels
5337                 $min_size = 11; // min font size in pixels
5338
5339                 // largest and smallest array values
5340                 $max_qty = max(array_values($tags));
5341                 $min_qty = min(array_values($tags));
5342
5343                 // find the range of values
5344                 $spread = $max_qty - $min_qty;
5345                 if ($spread == 0) { // we don't want to divide by zero
5346                                 $spread = 1;
5347                 }
5348
5349                 // set the font-size increment
5350                 $step = ($max_size - $min_size) / ($spread);
5351
5352                 // loop through the tag array
5353                 foreach ($tags as $key => $value) {
5354                         // calculate font-size
5355                         // find the $value in excess of $min_qty
5356                         // multiply by the font-size increment ($size)
5357                         // and add the $min_size set above
5358                         $size = round($min_size + (($value - $min_qty) * $step));
5359
5360                         $key_escaped = str_replace("'", "\\'", $key);
5361
5362                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5363                                 $size . "px\" title=\"$value articles tagged with " .
5364                                 $key . '">' . $key . '</a> ';
5365                 }
5366         }
5367
5368         function print_checkpoint($n, $s) {
5369                 $ts = getmicrotime();
5370                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5371                 return $ts;
5372         }
5373
5374         function sanitize_tag($tag) {
5375                 $tag = trim($tag);
5376
5377                 $tag = mb_strtolower($tag, 'utf-8');
5378
5379                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5380
5381 //              $tag = str_replace('"', "", $tag);
5382 //              $tag = str_replace("+", " ", $tag);
5383                 $tag = str_replace("technorati tag: ", "", $tag);
5384
5385                 return $tag;
5386         }
5387
5388         function generate_publish_key() {
5389                 return sha1(uniqid(rand(), true));
5390         }
5391
5392         function article_publish_url($link) {
5393
5394                 $url_path = "";
5395
5396
5397                 if ($_SERVER['HTTPS'] != "on") {
5398                         $url_path = "http://";
5399                 } else {
5400                         $url_path = "https://";
5401                 }
5402
5403                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5404                 $url_path .= "/backend.php?op=publish&key=" . get_pref($link, "_PREFS_PUBLISH_KEY");
5405
5406                 return $url_path;
5407         }
5408
5409         /**
5410          * Purge a feed contents, marked articles excepted.
5411          *
5412          * @param mixed $link The database connection.
5413          * @param integer $id The id of the feed to purge.
5414          * @return void
5415          */
5416         function clear_feed_articles($link, $id) {
5417                 $result = db_query($link, "DELETE FROM ttrss_user_entries
5418                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5419
5420                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5421                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5422
5423                 ccache_update($link, $id, $_SESSION['uid']);
5424         } // function clear_feed_articles
5425
5426         /**
5427          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5428          *
5429          * @return string The Mozilla Firefox feed adding URL.
5430          */
5431         function add_feed_url() {
5432                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5433                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5434                 return $url_path;
5435         } // function add_feed_url
5436
5437         /**
5438          * Encrypt a password in SHA1.
5439          *
5440          * @param string $pass The password to encrypt.
5441          * @param string $login A optionnal login.
5442          * @return string The encrypted password.
5443          */
5444         function encrypt_password($pass, $login = '') {
5445                 if ($login) {
5446                         return "SHA1X:" . sha1("$login:$pass");
5447                 } else {
5448                         return "SHA1:" . sha1($pass);
5449                 }
5450         } // function encrypt_password
5451
5452         /**
5453          * Update a feed batch.
5454          * Used by daemons to update n feeds by run.
5455          * Only update feed needing a update, and not being processed
5456          * by another process.
5457          *
5458          * @param mixed $link Database link
5459          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5460          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5461          * @param boolean $debug Set to false to disable debug output. Default to true.
5462          * @return void
5463          */
5464         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5465                 // Process all other feeds using last_updated and interval parameters
5466
5467                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5468                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5469                         if (DB_TYPE == "pgsql") {
5470                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5471                         } else {
5472                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5473                         }
5474                 } else {
5475                         $login_thresh_qpart = "";
5476                 }
5477
5478                 // Test if the feed need a update (update interval exceded).
5479                 if (DB_TYPE == "pgsql") {
5480                         $update_limit_qpart = "AND ((
5481                                         ttrss_feeds.update_interval = 0
5482                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5483                                 ) OR (
5484                                         ttrss_feeds.update_interval > 0
5485                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5486                                 ) OR ttrss_feeds.last_updated IS NULL)";
5487                 } else {
5488                         $update_limit_qpart = "AND ((
5489                                         ttrss_feeds.update_interval = 0
5490                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5491                                 ) OR (
5492                                         ttrss_feeds.update_interval > 0
5493                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5494                                 ) OR ttrss_feeds.last_updated IS NULL)";
5495                 }
5496
5497                 // Test if feed is currently being updated by another process.
5498                 if (DB_TYPE == "pgsql") {
5499                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5500                 } else {
5501                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5502                 }
5503
5504                 // Test if there is a limit to number of updated feeds
5505                 $query_limit = "";
5506                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5507
5508                 $random_qpart = sql_random_function();
5509
5510                 // We search for feed needing update.
5511                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5512                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5513                                 ttrss_feeds.update_interval
5514                         FROM
5515                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5516                         WHERE
5517                                 ttrss_feeds.owner_uid = ttrss_users.id
5518                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5519                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5520                                 $login_thresh_qpart $update_limit_qpart
5521                          $updstart_thresh_qpart
5522                         ORDER BY $random_qpart $query_limit");
5523
5524                 $user_prefs_cache = array();
5525
5526                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5527
5528                 // Here is a little cache magic in order to minimize risk of double feed updates.
5529                 $feeds_to_update = array();
5530                 while ($line = db_fetch_assoc($result)) {
5531                         $feeds_to_update[$line['id']] = $line;
5532                 }
5533
5534                 // We update the feed last update started date before anything else.
5535                 // There is no lag due to feed contents downloads
5536                 // It prevent an other process to update the same feed.
5537                 $feed_ids = array_keys($feeds_to_update);
5538                 if($feed_ids) {
5539                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5540                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5541                 }
5542
5543                 // For each feed, we call the feed update function.
5544                 while ($line = array_pop($feeds_to_update)) {
5545
5546                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5547
5548                         // We setup a alarm to alert if the feed take more than 300s to update.
5549                         // => HANG alarm.
5550                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(300);
5551                         update_rss_feed($link, $line["feed_url"], $line["id"], true);
5552                         // Cancel the alarm (the update went well)
5553                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(0);
5554
5555                         sleep(1); // prevent flood (FIXME make this an option?)
5556                 }
5557
5558                 // Send feed digests by email if needed.
5559                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5560
5561                 purge_orphans($link);
5562
5563         } // function update_daemon_common
5564
5565         function sanitize_article_content($text) {
5566                 # we don't support CDATA sections in articles, they break our own escaping
5567                 $text = preg_replace("/\[\[CDATA/", "", $text);
5568                 $text = preg_replace("/\]\]\>/", "", $text);
5569                 return $text;
5570         }
5571
5572         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5573                 $filters = array();
5574
5575                 if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5576
5577                 $result = db_query($link, "SELECT reg_exp,
5578                         ttrss_filter_types.name AS name,
5579                         ttrss_filter_actions.name AS action,
5580                         inverse,
5581                         action_param,
5582                         filter_param
5583                         FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5584                                 enabled = true AND
5585                                 $ftype_query_part
5586                                 owner_uid = $owner_uid AND
5587                                 ttrss_filter_types.id = filter_type AND
5588                                 ttrss_filter_actions.id = action_id AND
5589                                 (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5590
5591                 while ($line = db_fetch_assoc($result)) {
5592                         if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5593                                 $filter["reg_exp"] = $line["reg_exp"];
5594                                 $filter["action"] = $line["action"];
5595                                 $filter["action_param"] = $line["action_param"];
5596                                 $filter["filter_param"] = $line["filter_param"];
5597                                 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5598
5599                                 array_push($filters[$line["name"]], $filter);
5600                         }
5601
5602                 return $filters;
5603         }
5604
5605         function get_score_pic($score) {
5606                 if ($score > 100) {
5607                         return "score_high.png";
5608                 } else if ($score > 0) {
5609                         return "score_half_high.png";
5610                 } else if ($score < -100) {
5611                         return "score_low.png";
5612                 } else if ($score < 0) {
5613                         return "score_half_low.png";
5614                 } else {
5615                         return "score_neutral.png";
5616                 }
5617         }
5618
5619         function rounded_table_start($classname, $header = "&nbsp;") {
5620                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5621                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5622                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5623         }
5624
5625         function rounded_table_end($footer = "&nbsp;") {
5626                 print "</td><td class='right'>&nbsp;</td></tr>";
5627                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5628                 print "</table>";
5629         }
5630
5631         function feed_has_icon($id) {
5632                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5633         }
5634
5635         function init_connection($link) {
5636                 if (DB_TYPE == "pgsql") {
5637                         pg_query($link, "set client_encoding = 'UTF-8'");
5638                         pg_set_client_encoding("UNICODE");
5639                         pg_query($link, "set datestyle = 'ISO, european'");
5640                 } else {
5641                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5642                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5643         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5644                         }
5645                 }
5646         }
5647
5648         function update_feedbrowser_cache($link) {
5649
5650                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
5651                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5652                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5653                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
5654                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
5655
5656                 db_query($link, "BEGIN");
5657
5658                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5659
5660                 $count = 0;
5661
5662                 while ($line = db_fetch_assoc($result)) {
5663                         $subscribers = db_escape_string($line["subscribers"]);
5664                         $feed_url = db_escape_string($line["feed_url"]);
5665                         $title = db_escape_string($line["title"]);
5666
5667                         $tmp_result = db_query($link, "SELECT subscribers FROM
5668                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
5669
5670                         if (db_num_rows($tmp_result) == 0) {
5671
5672                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5673                                         (feed_url, title, subscribers) VALUES ('$feed_url',
5674                                                 '$title', '$subscribers')");
5675
5676                                 ++$count;
5677
5678                         }
5679
5680                 }
5681
5682                 db_query($link, "COMMIT");
5683
5684                 return $count;
5685
5686         }
5687
5688         function ccache_zero($link, $feed_id, $owner_uid) {
5689                 db_query($link, "UPDATE ttrss_counters_cache SET
5690                         value = 0, updated = NOW() WHERE
5691                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5692         }
5693
5694         function ccache_zero_all($link, $owner_uid) {
5695                 db_query($link, "UPDATE ttrss_counters_cache SET
5696                         value = 0 WHERE owner_uid = '$owner_uid'");
5697
5698                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
5699                         value = 0 WHERE owner_uid = '$owner_uid'");
5700         }
5701
5702         function ccache_update_all($link, $owner_uid) {
5703
5704                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
5705
5706                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
5707                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5708
5709                         while ($line = db_fetch_assoc($result)) {
5710                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
5711                         }
5712
5713                         /* We have to manually include category 0 */
5714
5715                         ccache_update($link, 0, $owner_uid, true);
5716
5717                 } else {
5718                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
5719                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5720
5721                         while ($line = db_fetch_assoc($result)) {
5722                                 print ccache_update($link, $line["feed_id"], $owner_uid);
5723
5724                         }
5725
5726                 }
5727         }
5728
5729         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
5730                 $no_update = false) {
5731
5732                 if (!is_numeric($feed_id)) return;
5733
5734                 if (!$is_cat) {
5735                         $table = "ttrss_counters_cache";
5736                 } else {
5737                         $table = "ttrss_cat_counters_cache";
5738                 }
5739
5740                 if (DB_TYPE == "pgsql") {
5741                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
5742                 } else if (DB_TYPE == "mysql") {
5743                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
5744                 }
5745
5746                 $result = db_query($link, "SELECT value FROM $table
5747                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
5748                         LIMIT 1");
5749
5750                 if (db_num_rows($result) == 1) {
5751                         return db_fetch_result($result, 0, "value");
5752                 } else {
5753                         if ($no_update) {
5754                                 return -1;
5755                         } else {
5756                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
5757                         }
5758                 }
5759
5760         }
5761
5762         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
5763                 $update_pcat = true) {
5764
5765                 if (!is_numeric($feed_id)) return;
5766
5767                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
5768
5769                 /* When updating a label, all we need to do is recalculate feed counters
5770                  * because labels are not cached */
5771
5772                 if ($feed_id < 0) {
5773                         ccache_update_all($link, $owner_uid);
5774                         return;
5775                 }
5776
5777                 if (!$is_cat) {
5778                         $table = "ttrss_counters_cache";
5779                 } else {
5780                         $table = "ttrss_cat_counters_cache";
5781                 }
5782
5783                 if ($is_cat && $feed_id >= 0) {
5784                         if ($feed_id != 0) {
5785                                 $cat_qpart = "cat_id = '$feed_id'";
5786                         } else {
5787                                 $cat_qpart = "cat_id IS NULL";
5788                         }
5789
5790                         /* Recalculate counters for child feeds */
5791
5792                         $result = db_query($link, "SELECT id FROM ttrss_feeds
5793                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
5794
5795                         while ($line = db_fetch_assoc($result)) {
5796                                 ccache_update($link, $line["id"], $owner_uid, false, false);
5797                         }
5798
5799                         $result = db_query($link, "SELECT SUM(value) AS sv
5800                                 FROM ttrss_counters_cache, ttrss_feeds
5801                                 WHERE id = feed_id AND $cat_qpart AND
5802                                 ttrss_feeds.owner_uid = '$owner_uid'");
5803
5804                         $unread = (int) db_fetch_result($result, 0, "sv");
5805
5806                 } else {
5807                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
5808                 }
5809
5810                 $result = db_query($link, "SELECT feed_id FROM $table
5811                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
5812
5813                 if (db_num_rows($result) == 1) {
5814                         db_query($link, "UPDATE $table SET
5815                                 value = '$unread', updated = NOW() WHERE
5816                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5817
5818                 } else {
5819                         db_query($link, "INSERT INTO $table
5820                                 (feed_id, value, owner_uid, updated)
5821                                 VALUES
5822                                 ($feed_id, $unread, $owner_uid, NOW())");
5823                 }
5824
5825                 if ($feed_id > 0 && $prev_unread != $unread) {
5826
5827                         if (!$is_cat) {
5828
5829                                 /* Update parent category */
5830
5831                                 if ($update_pcat) {
5832
5833                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
5834                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
5835
5836                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
5837
5838                                         ccache_update($link, $cat_id, $owner_uid, true);
5839
5840                                 }
5841                         }
5842                 } else if ($feed_id < 0) {
5843                         ccache_update_all($link, $owner_uid);
5844                 }
5845
5846                 return $unread;
5847         }
5848
5849         function label_find_id($link, $label, $owner_uid) {
5850                 $result = db_query($link,
5851                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
5852                                 AND owner_uid = '$owner_uid' LIMIT 1");
5853
5854                 if (db_num_rows($result) == 1) {
5855                         return db_fetch_result($result, 0, "id");
5856                 } else {
5857                         return 0;
5858                 }
5859         }
5860
5861         function get_article_labels($link, $id) {
5862                 $result = db_query($link,
5863                         "SELECT DISTINCT label_id,caption,fg_color,bg_color
5864                                 FROM ttrss_labels2, ttrss_user_labels2
5865                         WHERE id = label_id
5866                                 AND article_id = '$id'
5867                                 AND owner_uid = ".$_SESSION["uid"] . "
5868                         ORDER BY caption");
5869
5870                 $rv = array();
5871
5872                 while ($line = db_fetch_assoc($result)) {
5873                         $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
5874                                 $line["bg_color"]);
5875                         array_push($rv, $rk);
5876                 }
5877
5878                 return $rv;
5879         }
5880
5881
5882         function label_find_caption($link, $label, $owner_uid) {
5883                 $result = db_query($link,
5884                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
5885                                 AND owner_uid = '$owner_uid' LIMIT 1");
5886
5887                 if (db_num_rows($result) == 1) {
5888                         return db_fetch_result($result, 0, "caption");
5889                 } else {
5890                         return "";
5891                 }
5892         }
5893
5894         function label_remove_article($link, $id, $label, $owner_uid) {
5895
5896                 $label_id = label_find_id($link, $label, $owner_uid);
5897
5898                 if (!$label_id) return;
5899
5900                 $result = db_query($link,
5901                         "DELETE FROM ttrss_user_labels2
5902                         WHERE
5903                                 label_id = '$label_id' AND
5904                                 article_id = '$id'");
5905         }
5906
5907         function label_add_article($link, $id, $label, $owner_uid) {
5908
5909                 $label_id = label_find_id($link, $label, $owner_uid);
5910
5911                 if (!$label_id) return;
5912
5913                 $result = db_query($link,
5914                         "SELECT
5915                                 article_id FROM ttrss_labels2, ttrss_user_labels2
5916                         WHERE
5917                                 label_id = id AND
5918                                 label_id = '$label_id' AND
5919                                 article_id = '$id' AND owner_uid = '$owner_uid'
5920                         LIMIT 1");
5921
5922                 if (db_num_rows($result) == 0) {
5923                         db_query($link, "INSERT INTO ttrss_user_labels2
5924                                 (label_id, article_id) VALUES ('$label_id', '$id')");
5925                 }
5926         }
5927
5928         function label_remove($link, $id, $owner_uid) {
5929
5930                 db_query($link, "BEGIN");
5931
5932                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
5933                         WHERE id = '$id'");
5934
5935                 $caption = db_fetch_result($result, 0, "caption");
5936
5937                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
5938                         AND owner_uid = " . $_SESSION["uid"]);
5939
5940                 if (db_affected_rows($link, $result) != 0 && $caption) {
5941
5942                         /* Disable filters that reference label being removed */
5943
5944                         db_query($link, "UPDATE ttrss_filters SET
5945                                 enabled = false WHERE action_param = '$caption'
5946                                         AND action_id = 7
5947                                         AND owner_uid = " . $_SESSION["uid"]);
5948                         }
5949
5950                 db_query($link, "COMMIT");
5951         }
5952
5953         function label_create($link, $caption) {
5954
5955                 db_query($link, "BEGIN");
5956
5957                 $result = false;
5958
5959                 $result = db_query($link, "SELECT id FROM ttrss_labels2
5960                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
5961
5962                 if (db_num_rows($result) == 0) {
5963                         $result = db_query($link,
5964                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
5965                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
5966
5967                         $result = db_affected_rows($link, $result) != 0;
5968                 }
5969
5970                 db_query($link, "COMMIT");
5971
5972                 return $result;
5973         }
5974
5975         function print_labels_headlines_dropdown($link, $feed_id) {
5976                 print "<li onclick=\"javascript:addLabel()\">
5977                         &nbsp;&nbsp;".__("Create label...")."</li>";
5978
5979                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
5980                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
5981
5982                 while ($line = db_fetch_assoc($result)) {
5983
5984                         $label_id = $line["id"];
5985                         $label_caption = $line["caption"];
5986
5987                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
5988                                 print "<li id=\"LHDL-$id\"
5989                                         onclick=\"javascript:selectionRemoveLabel($label_id)\">
5990                                         &nbsp;&nbsp;$label_caption ".__('(remove)')."</li>";
5991                         } else {
5992                                 print "<li id=\"LHDL-$id\"
5993                                         onclick=\"javascript:selectionAssignLabel($label_id)\">
5994                                         &nbsp;&nbsp;$label_caption</li>";
5995                         }
5996                 }
5997         }
5998
5999         function format_tags_string($tags, $id) {
6000
6001                 $tags_str = "";
6002                 $tags_nolinks_str = "";
6003
6004                 $num_tags = 0;
6005
6006                 if ($_SESSION["theme"] == "3pane") {
6007                         $tag_limit = 3;
6008                 } else {
6009                         $tag_limit = 6;
6010                 }
6011
6012                 $formatted_tags = array();
6013
6014                 foreach ($tags as $tag) {
6015                         $num_tags++;
6016                         $tag_escaped = str_replace("'", "\\'", $tag);
6017
6018                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6019
6020                         array_push($formatted_tags, $tag_str);
6021
6022                         if ($num_tags == $tag_limit) {
6023                                 break;
6024                         }
6025                 }
6026
6027                 $tags_str = implode(", ", $formatted_tags);
6028
6029                 if ($num_tags < count($tags)) {
6030                         $tags_str .= ", &hellip;";
6031                 }
6032
6033                 if ($num_tags == 0) {
6034                         $tags_str = __("no tags");
6035                 }
6036
6037                 return $tags_str;
6038
6039         }
6040
6041         function format_article_labels($labels, $id) {
6042
6043                 $labels_str = "";
6044
6045                 foreach ($labels as $l) {
6046                         $labels_str .= sprintf("<span class='hlLabelRef'
6047                                 style='color : %s; background-color : %s'>%s</span>",
6048                                         $l[2], $l[3], $l[1]);
6049                         }
6050
6051                 return $labels_str;
6052
6053         }
6054 ?>