functions.php

   1 <?php
   2
   3 /*      if ($_REQUEST["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                                         "ca_CA" => "Català",
  27                                         "en_US" => "English",
  28                                         "es_ES" => "Español",
  29                                         "de_DE" => "Deutsch",
  30                                         "fr_FR" => "Français",
  31                                         "hu_HU" => "Magyar (Hungarian)",
  32                                         "it_IT" => "Italiano",
  33                                         "ja_JP" => "日本語 (Japanese)",
  34                                         "nb_NO" => "Norwegian bokmål",
  35                                         "ru_RU" => "Русский",
  36                                         "pt_BR" => "Portuguese/Brazil",
  37                                         "zh_CN" => "Simplified Chinese");
  38
  39                 return $tr;
  40         }
  41
  42         if (ENABLE_TRANSLATIONS == true) { // If translations are enabled.
  43                 require_once "lib/accept-to-gettext.php";
  44                 require_once "lib/gettext/gettext.inc";
  45
  46                 function startup_gettext() {
  47
  48                         # Get locale from Accept-Language header
  49                         $lang = al2gt(array_keys(get_translations()), "text/html");
  50
  51                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  52                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  53                         }
  54
  55                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  56                                 $lang = $_COOKIE["ttrss_lang"];
  57                         }
  58
  59                         /* In login action of mobile version */
  60                         if ($_POST["language"] && defined('MOBILE_VERSION')) {
  61                                 $lang = $_POST["language"];
  62                                 $_COOKIE["ttrss_lang"] = $lang;
  63                         }
  64
  65                         if ($lang) {
  66                                 if (defined('LC_MESSAGES')) {
  67                                         _setlocale(LC_MESSAGES, $lang);
  68                                 } else if (defined('LC_ALL')) {
  69                                         _setlocale(LC_ALL, $lang);
  70                                 } else {
  71                                         die("can't setlocale(): please set ENABLE_TRANSLATIONS to false in config.php");
  72                                 }
  73
  74                                 if (defined('MOBILE_VERSION')) {
  75                                         _bindtextdomain("messages", "../locale");
  76                                 } else {
  77                                         _bindtextdomain("messages", "locale");
  78                                 }
  79
  80                                 _textdomain("messages");
  81                                 _bind_textdomain_codeset("messages", "UTF-8");
  82                         }
  83                 }
  84
  85                 startup_gettext();
  86
  87         } else { // If translations are enabled.
  88                 function __($msg) {
  89                         return $msg;
  90                 }
  91                 function startup_gettext() {
  92                         // no-op
  93                         return true;
  94                 }
  95         } // If translations are enabled.
  96
  97         if (defined('MEMCACHE_SERVER')) {
  98                 $memcache = new Memcache;
  99                 $memcache->connect(MEMCACHE_SERVER, 11211);
 100         }
 101
 102         require_once 'db-prefs.php';
 103         require_once 'compat.php';
 104         require_once 'errors.php';
 105         require_once 'version.php';
 106
 107         require_once 'lib/phpmailer/class.phpmailer.php';
 108
 109         define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
 110         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
 111         define('MAGPIE_CACHE_AGE', 60*15); // 15 minutes
 112
 113         require_once "lib/simplepie/simplepie.inc";
 114         require_once "lib/magpierss/rss_fetch.inc";
 115         require_once 'lib/magpierss/rss_utils.inc';
 116         require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
 117
 118         /**
 119          * Print a timestamped debug message.
 120          *
 121          * @param string $msg The debug message.
 122          * @return void
 123          */
 124         function _debug($msg) {
 125                 $ts = strftime("%H:%M:%S", time());
 126                 if (function_exists('posix_getpid')) {
 127                         $ts = "$ts/" . posix_getpid();
 128                 }
 129                 print "[$ts] $msg\n";
 130         } // function _debug
 131
 132         /**
 133          * Purge a feed old posts.
 134          *
 135          * @param mixed $link A database connection.
 136          * @param mixed $feed_id The id of the purged feed.
 137          * @param mixed $purge_interval Olderness of purged posts.
 138          * @param boolean $debug Set to True to enable the debug. False by default.
 139          * @access public
 140          * @return void
 141          */
 142         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 143
 144                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 145
 146                 $rows = -1;
 147
 148                 $result = db_query($link,
 149                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 150
 151                 $owner_uid = false;
 152
 153                 if (db_num_rows($result) == 1) {
 154                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 155                 }
 156
 157                 if ($purge_interval == -1 || !$purge_interval) {
 158                         if ($owner_uid) {
 159                                 ccache_update($link, $feed_id, $owner_uid);
 160                         }
 161                         return;
 162                 }
 163
 164                 if (!$owner_uid) return;
 165
 166                 if (FORCE_ARTICLE_PURGE == 0) {
 167                         $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 168                                 $owner_uid, false);
 169                 } else {
 170                         $purge_unread = true;
 171                         $purge_interval = FORCE_ARTICLE_PURGE;
 172                 }
 173
 174                 if (!$purge_unread) $query_limit = " unread = false AND ";
 175
 176                 if (DB_TYPE == "pgsql") {
 177 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 178                                 marked = false AND feed_id = '$feed_id' AND
 179                                 (SELECT date_entered FROM ttrss_entries WHERE
 180                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
 181
 182                         $pg_version = get_pgsql_version($link);
 183
 184                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 185
 186                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 187                                         ttrss_entries.id = ref_id AND
 188                                         marked = false AND
 189                                         feed_id = '$feed_id' AND
 190                                         $query_limit
 191                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 192
 193                         } else {
 194
 195                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 196                                         USING ttrss_entries
 197                                         WHERE ttrss_entries.id = ref_id AND
 198                                         marked = false AND
 199                                         feed_id = '$feed_id' AND
 200                                         $query_limit
 201                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 202                         }
 203
 204                         $rows = pg_affected_rows($result);
 205
 206                 } else {
 207
 208 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 209                                 marked = false AND feed_id = '$feed_id' AND
 210                                 (SELECT date_entered FROM ttrss_entries WHERE
 211                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 212
 213                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 214                                 USING ttrss_user_entries, ttrss_entries
 215                                 WHERE ttrss_entries.id = ref_id AND
 216                                 marked = false AND
 217                                 feed_id = '$feed_id' AND
 218                                 $query_limit
 219                                 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 220
 221                         $rows = mysql_affected_rows($link);
 222
 223                 }
 224
 225                 ccache_update($link, $feed_id, $owner_uid);
 226
 227                 if ($debug) {
 228                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 229                 }
 230         } // function purge_feed
 231
 232         /**
 233          * Purge old posts from old feeds.
 234          *
 235          * @param mixed $link A database connection
 236          * @param boolean $do_output Set to true to enable printed output, false by default.
 237          * @param integer $limit The maximal number of removed posts.
 238          * @access public
 239          * @return void
 240          */
 241         function global_purge_old_posts($link, $do_output = false, $limit = false) {
 242
 243                 $random_qpart = sql_random_function();
 244
 245                 if ($limit) {
 246                         $limit_qpart = "LIMIT $limit";
 247                 } else {
 248                         $limit_qpart = "";
 249                 }
 250
 251                 $result = db_query($link,
 252                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 253                                 ORDER BY $random_qpart $limit_qpart");
 254
 255                 while ($line = db_fetch_assoc($result)) {
 256
 257                         $feed_id = $line["id"];
 258                         $purge_interval = $line["purge_interval"];
 259                         $owner_uid = $line["owner_uid"];
 260
 261                         if ($purge_interval == 0) {
 262
 263                                 $tmp_result = db_query($link,
 264                                         "SELECT value FROM ttrss_user_prefs WHERE
 265                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 266
 267                                 if (db_num_rows($tmp_result) != 0) {
 268                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 269                                 }
 270                         }
 271
 272                         if ($do_output) {
 273 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 274                         }
 275
 276                         if ($purge_interval > 0 || FORCE_ARTICLE_PURGE) {
 277                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 278                         }
 279                 }
 280
 281                 // purge orphaned posts in main content table
 282                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 283                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 284
 285                 if ($do_output) {
 286                         $rows = db_affected_rows($link, $result);
 287                         _debug("Purged $rows orphaned posts.");
 288                 }
 289
 290         } // function global_purge_old_posts
 291
 292         function feed_purge_interval($link, $feed_id) {
 293
 294                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 295                         WHERE id = '$feed_id'");
 296
 297                 if (db_num_rows($result) == 1) {
 298                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 299                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 300
 301                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 302                                 'PURGE_OLD_DAYS', $owner_uid);
 303
 304                         return $purge_interval;
 305
 306                 } else {
 307                         return -1;
 308                 }
 309         }
 310
 311         function purge_old_posts($link) {
 312
 313                 $user_id = $_SESSION["uid"];
 314
 315                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 316                         WHERE owner_uid = '$user_id'");
 317
 318                 while ($line = db_fetch_assoc($result)) {
 319
 320                         $feed_id = $line["id"];
 321                         $purge_interval = $line["purge_interval"];
 322
 323                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 324
 325                         if ($purge_interval > 0) {
 326                                 purge_feed($link, $feed_id, $purge_interval);
 327                         }
 328                 }
 329
 330                 purge_orphans($link);
 331         }
 332
 333         function purge_orphans($link) {
 334                 // purge orphaned posts in main content table
 335                 db_query($link, "DELETE FROM ttrss_entries WHERE
 336                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 337         }
 338
 339         function get_feed_update_interval($link, $feed_id) {
 340                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 341                         ttrss_feeds WHERE id = '$feed_id'");
 342
 343                 if (db_num_rows($result) == 1) {
 344                         $update_interval = db_fetch_result($result, 0, "update_interval");
 345                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 346
 347                         if ($update_interval != 0) {
 348                                 return $update_interval;
 349                         } else {
 350                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 351                         }
 352
 353                 } else {
 354                         return -1;
 355                 }
 356         }
 357
 358         function fetch_file_contents($url) {
 359                 if (USE_CURL_FOR_ICONS) {
 360                         $tmpfile = tempnam(TMP_DIRECTORY, "ttrss-tmp");
 361
 362                         $ch = curl_init($url);
 363                         $fp = fopen($tmpfile, "w");
 364
 365                         if ($fp) {
 366                                 curl_setopt($ch, CURLOPT_FILE, $fp);
 367                                 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 368                                 curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 369                                 curl_exec($ch);
 370
 371                                 if (strpos(curl_getinfo($ch, CURLINFO_CONTENT_TYPE), "image/") !== false) {
 372                                         curl_close($ch);
 373                                         fclose($fp);
 374                                         $contents = file_get_contents($tmpfile);
 375                                 } else {
 376                                         curl_close($ch);
 377                                         fclose($fp);
 378                                 }
 379                         }
 380
 381                         unlink($tmpfile);
 382
 383                         return $contents;
 384
 385                 } else {
 386                         return file_get_contents($url);
 387                 }
 388
 389         }
 390
 391         /**
 392          * Try to determine the favicon URL for a feed.
 393          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 394          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 395          *
 396          * @param string $url A feed or page URL
 397          * @access public
 398          * @return mixed The favicon URL, or false if none was found.
 399          */
 400         function get_favicon_url($url) {
 401
 402                 if ($html = @fetch_file_contents($url)) {
 403
 404                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
 405                                 // Attempt to grab a favicon link from their webpage url
 406                                 $linkUrl = html_entity_decode($matches[1]);
 407
 408                                 if (substr($linkUrl, 0, 1) == '/') {
 409                                         $urlParts = parse_url($url);
 410                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
 411                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
 412                                         $faviconURL = $linkUrl;
 413                                 } else {
 414                                         $pos = strrpos($url, "/");
 415                                         // no "/" in url or "/" is part of "://"
 416                                         if ($pos === false || $pos == (strpos($url, "://")+2)) {
 417                                                 $faviconURL = $url.'/'.$linkUrl;
 418                                         } else {
 419                                                 $faviconURL = substr($url, 0, $pos+1).$linkUrl;
 420                                         }
 421                                 }
 422
 423                         } else {
 424                                 // If unsuccessful, attempt to "guess" the favicon location
 425                                 $urlParts = parse_url($url);
 426                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
 427                         }
 428                 }
 429
 430                 // Run a test to see if what we have attempted to get actually exists.
 431                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
 432                         return $faviconURL;
 433                 } else {
 434                         return false;
 435                 }
 436         } // function get_favicon_url
 437
 438         /**
 439          * Check if a link is a valid and working URL.
 440          *
 441          * @param mixed $link A URL to check
 442          * @access public
 443          * @return boolean True if the URL is valid, false otherwise.
 444          */
 445         function url_validate($link) {
 446
 447                 $url_parts = @parse_url($link);
 448
 449                 if ( empty( $url_parts["host"] ) )
 450                                 return false;
 451
 452                 if ( !empty( $url_parts["path"] ) ) {
 453                                 $documentpath = $url_parts["path"];
 454                 } else {
 455                                 $documentpath = "/";
 456                 }
 457
 458                 if ( !empty( $url_parts["query"] ) )
 459                                 $documentpath .= "?" . $url_parts["query"];
 460
 461                 $host = $url_parts["host"];
 462                 $port = $url_parts["port"];
 463
 464                 if ( empty($port) )
 465                                 $port = "80";
 466
 467                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 468
 469                 if ( !$socket )
 470                                 return false;
 471
 472                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 473
 474                 $http_response = fgets( $socket, 22 );
 475
 476                 $responses = "/(200 OK)|(30[123])/";
 477                 if ( preg_match($responses, $http_response) ) {
 478                                 fclose($socket);
 479                                 return true;
 480                 } else {
 481                                 return false;
 482                 }
 483
 484         } // function url_validate
 485
 486         function check_feed_favicon($site_url, $feed, $link) {
 487                 $favicon_url = get_favicon_url($site_url);
 488
 489 #               print "FAVICON [$site_url]: $favicon_url\n";
 490
 491                 error_reporting(0);
 492
 493                 $icon_file = ICONS_DIR . "/$feed.ico";
 494
 495                 if ($favicon_url && !file_exists($icon_file)) {
 496                         $contents = fetch_file_contents($favicon_url);
 497
 498                         $fp = fopen($icon_file, "w");
 499
 500                         if ($fp) {
 501                                 fwrite($fp, $contents);
 502                                 fclose($fp);
 503                                 chmod($icon_file, 0644);
 504                         }
 505                 }
 506
 507                 error_reporting(DEFAULT_ERROR_LEVEL);
 508
 509         }
 510
 511         function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
 512
 513                 global $memcache;
 514
 515                 if (!$_REQUEST["daemon"] && !$ignore_daemon) {
 516                         return false;
 517                 }
 518
 519                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 520                         _debug("update_rss_feed: start");
 521                 }
 522
 523                 if (!$ignore_daemon) {
 524
 525                         if (DB_TYPE == "pgsql") {
 526                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 527                                 } else {
 528                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 529                                 }
 530
 531                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 532                                 auth_pass,cache_images,update_method
 533                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 534
 535                 } else {
 536
 537                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 538                                 auth_pass,cache_images,update_method,last_updated
 539                                 FROM ttrss_feeds WHERE id = '$feed'");
 540
 541                 }
 542
 543                 if (db_num_rows($result) == 0) {
 544                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 545                                 _debug("update_rss_feed: feed $feed [$feed_url] NOT FOUND/SKIPPED");
 546                         }
 547                         return false;
 548                 }
 549
 550                 $update_method = db_fetch_result($result, 0, "update_method");
 551                 $last_updated = db_fetch_result($result, 0, "last_updated");
 552
 553                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 554                         WHERE id = '$feed'");
 555
 556                 $auth_login = db_fetch_result($result, 0, "auth_login");
 557                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 558
 559                 if (ALLOW_SELECT_UPDATE_METHOD) {
 560                         if (ENABLE_SIMPLEPIE) {
 561                                 $use_simplepie = $update_method != 1;
 562                         } else {
 563                                 $use_simplepie = $update_method == 2;
 564                         }
 565                 } else {
 566                         $use_simplepie = ENABLE_SIMPLEPIE;
 567                 }
 568
 569                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 570                         _debug("use simplepie: $use_simplepie (feed setting: $update_method)\n");
 571                 }
 572
 573                 if (!$use_simplepie) {
 574                         $auth_login = urlencode($auth_login);
 575                         $auth_pass = urlencode($auth_pass);
 576                 }
 577
 578                 $update_interval = db_fetch_result($result, 0, "update_interval");
 579                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 580
 581                 if ($update_interval < 0) { return; }
 582
 583                 $feed = db_escape_string($feed);
 584
 585                 $fetch_url = $feed_url;
 586
 587                 if ($auth_login && $auth_pass) {
 588                         $url_parts = array();
 589                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 590
 591                         if ($url_parts[1] && $url_parts[2]) {
 592                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 593                         }
 594
 595                 }
 596
 597                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 598                         _debug("update_rss_feed: fetching [$fetch_url]...");
 599                 }
 600
 601                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_REQUEST['xdebug']) {
 602                         error_reporting(0);
 603                 }
 604
 605                 if (!$use_simplepie) {
 606                         $rss = fetch_rss($fetch_url);
 607                 } else {
 608                         if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 609                                 mkdir(SIMPLEPIE_CACHE_DIR);
 610                         }
 611
 612                         $rss = new SimplePie();
 613                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
 614 #                       $rss->set_timeout(10);
 615                         $rss->set_feed_url($fetch_url);
 616                         $rss->set_output_encoding('UTF-8');
 617
 618                         if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 619                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 620                                         _debug("enabling image cache");
 621                                 }
 622
 623                                 $rss->set_image_handler('./image.php', 'i');
 624                         }
 625
 626                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 627                                 _debug("feed update interval (sec): " .
 628                                         get_feed_update_interval($link, $feed)*60);
 629                         }
 630
 631                         if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 632                                 $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 633                                 $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 634                         }
 635
 636                         $rss->init();
 637                 }
 638
 639
 640 //              print_r($rss);
 641
 642                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 643                         _debug("update_rss_feed: fetch done, parsing...");
 644                 } else {
 645                         error_reporting (DEFAULT_ERROR_LEVEL);
 646                 }
 647
 648                 $feed = db_escape_string($feed);
 649
 650                 if ($use_simplepie) {
 651                         $fetch_ok = !$rss->error();
 652                 } else {
 653                         $fetch_ok = !!$rss;
 654                 }
 655
 656                 if ($fetch_ok) {
 657
 658                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 659                                 _debug("update_rss_feed: processing feed data...");
 660                         }
 661
 662 //                      db_query($link, "BEGIN");
 663
 664                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 665                                 FROM ttrss_feeds WHERE id = '$feed'");
 666
 667                         $registered_title = db_fetch_result($result, 0, "title");
 668                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 669                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 670
 671                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 672
 673                         if ($use_simplepie) {
 674                                 $site_url = $rss->get_link();
 675                         } else {
 676                                 $site_url = $rss->channel["link"];
 677                         }
 678
 679                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
 680                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 681                                         _debug("update_rss_feed: checking favicon...");
 682                                 }
 683
 684                                 check_feed_favicon($site_url, $feed, $link);
 685                         }
 686
 687                         if (!$registered_title || $registered_title == "[Unknown]") {
 688
 689                                 if ($use_simplepie) {
 690                                         $feed_title = db_escape_string($rss->get_title());
 691                                 } else {
 692                                         $feed_title = db_escape_string($rss->channel["title"]);
 693                                 }
 694
 695                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 696                                         _debug("update_rss_feed: registering title: $feed_title");
 697                                 }
 698
 699                                 db_query($link, "UPDATE ttrss_feeds SET
 700                                         title = '$feed_title' WHERE id = '$feed'");
 701                         }
 702
 703                         // weird, weird Magpie
 704                         if (!$use_simplepie) {
 705                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 706                         }
 707
 708                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 709                                 db_query($link, "UPDATE ttrss_feeds SET
 710                                         site_url = '$site_url' WHERE id = '$feed'");
 711                         }
 712
 713 //                      print "I: " . $rss->channel["image"]["url"];
 714
 715                         if (!$use_simplepie) {
 716                                 $icon_url = $rss->image["url"];
 717                         } else {
 718                                 $icon_url = $rss->get_image_url();
 719                         }
 720
 721                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
 722                                 $icon_url = db_escape_string($icon_url);
 723                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 724                         }
 725
 726                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 727                                 _debug("update_rss_feed: loading filters...");
 728                         }
 729
 730                         $filters = load_filters($link, $feed, $owner_uid);
 731
 732                         if ($use_simplepie) {
 733                                 $iterator = $rss->get_items();
 734                         } else {
 735                                 $iterator = $rss->items;
 736                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 737                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 738                         }
 739
 740                         if (!is_array($iterator)) {
 741                                 /* db_query($link, "UPDATE ttrss_feeds
 742                                         SET last_error = 'Parse error: can\'t find any articles.'
 743                                         WHERE id = '$feed'"); */
 744
 745                                 // clear any errors and mark feed as updated if fetched okay
 746                                 // even if it's blank
 747
 748                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 749                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 750                                 }
 751
 752                                 db_query($link, "UPDATE ttrss_feeds
 753                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 754
 755                                 return; // no articles
 756                         }
 757
 758                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 759                                 _debug("update_rss_feed: processing articles...");
 760                         }
 761
 762                         foreach ($iterator as $item) {
 763
 764                                 if ($_REQUEST['xdebug'] == 2) {
 765                                         print_r($item);
 766                                 }
 767
 768                                 if ($use_simplepie) {
 769                                         $entry_guid = $item->get_id();
 770                                         if (!$entry_guid) $entry_guid = $item->get_link();
 771                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 772
 773                                 } else {
 774
 775                                         $entry_guid = $item["id"];
 776
 777                                         if (!$entry_guid) $entry_guid = $item["guid"];
 778                                         if (!$entry_guid) $entry_guid = $item["link"];
 779                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 780                                 }
 781
 782                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 783                                         _debug("update_rss_feed: guid $entry_guid");
 784                                 }
 785
 786                                 if (!$entry_guid) continue;
 787
 788                                 $entry_timestamp = "";
 789
 790                                 if ($use_simplepie) {
 791                                         $entry_timestamp = strtotime($item->get_date());
 792                                 } else {
 793                                         $rss_2_date = $item['pubdate'];
 794                                         $rss_1_date = $item['dc']['date'];
 795                                         $atom_date = $item['issued'];
 796                                         if (!$atom_date) $atom_date = $item['updated'];
 797
 798                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 799                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 800                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 801                                 }
 802
 803                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 804                                         $entry_timestamp = time();
 805                                         $no_orig_date = 'true';
 806                                 } else {
 807                                         $no_orig_date = 'false';
 808                                 }
 809
 810                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 811
 812                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 813                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
 814                                 }
 815
 816                                 if ($use_simplepie) {
 817                                         $entry_title = $item->get_title();
 818                                 } else {
 819                                         $entry_title = trim(strip_tags($item["title"]));
 820                                 }
 821
 822                                 if ($use_simplepie) {
 823                                         $entry_link = $item->get_link();
 824                                 } else {
 825                                         // strange Magpie workaround
 826                                         $entry_link = $item["link_"];
 827                                         if (!$entry_link) $entry_link = $item["link"];
 828                                 }
 829
 830                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 831                                         _debug("update_rss_feed: title $entry_title");
 832                                 }
 833
 834                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 835
 836                                 $entry_link = strip_tags($entry_link);
 837
 838                                 if ($use_simplepie) {
 839                                         $entry_content = $item->get_content();
 840                                         if (!$entry_content) $entry_content = $item->get_description();
 841                                 } else {
 842                                         $entry_content = $item["content:escaped"];
 843
 844                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 845                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 846                                         if (!$entry_content) $entry_content = $item["content"];
 847
 848                                         // Magpie bugs are getting ridiculous
 849                                         if (trim($entry_content) == "Array") $entry_content = false;
 850
 851                                         if (!$entry_content) $entry_content = $item["atom_content"];
 852                                         if (!$entry_content) $entry_content = $item["summary"];
 853
 854                                         if (!$entry_content ||
 855                                                 strlen($entry_content) < strlen($item["description"])) {
 856                                                         $entry_content = $item["description"];
 857                                         };
 858
 859                                         // WTF
 860                                         if (is_array($entry_content)) {
 861                                                 $entry_content = $entry_content["encoded"];
 862                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 863                                         }
 864                                 }
 865
 866                                 if ($_REQUEST["xdebug"] == 2) {
 867                                         print "update_rss_feed: content: ";
 868                                         print_r(htmlspecialchars($entry_content));
 869                                 }
 870
 871                                 $entry_content_unescaped = $entry_content;
 872
 873                                 if ($use_simplepie) {
 874                                         $entry_comments = strip_tags($item->data["comments"]);
 875                                         if ($item->get_author()) {
 876                                                 $entry_author_item = $item->get_author();
 877                                                 $entry_author = $entry_author_item->get_name();
 878                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 879
 880                                                 $entry_author = db_escape_string($entry_author);
 881                                         }
 882                                 } else {
 883                                         $entry_comments = strip_tags($item["comments"]);
 884
 885                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 886
 887                                         if ($item['author']) {
 888
 889                                                 if (is_array($item['author'])) {
 890
 891                                                         if (!$entry_author) {
 892                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 893                                                         }
 894
 895                                                         if (!$entry_author) {
 896                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 897                                                         }
 898                                                 }
 899
 900                                                 if (!$entry_author) {
 901                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 902                                                 }
 903                                         }
 904                                 }
 905
 906                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 907
 908                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 909                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 910
 911                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 912                                         WHERE guid = '$entry_guid'");
 913
 914                                 $entry_content = db_escape_string($entry_content);
 915
 916                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 917
 918                                 $entry_title = db_escape_string($entry_title);
 919                                 $entry_link = db_escape_string($entry_link);
 920                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 921                                 $entry_author = mb_substr($entry_author, 0, 250);
 922
 923                                 if ($use_simplepie) {
 924                                         $num_comments = 0; #FIXME#
 925                                 } else {
 926                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 927                                 }
 928
 929                                 if (!$num_comments) $num_comments = 0;
 930
 931                                 // parse <category> entries into tags
 932
 933                                 if ($use_simplepie) {
 934
 935                                         $additional_tags = array();
 936                                         $additional_tags_src = $item->get_categories();
 937
 938                                         if (is_array($additional_tags_src)) {
 939                                                 foreach ($additional_tags_src as $tobj) {
 940                                                         array_push($additional_tags, $tobj->get_term());
 941                                                 }
 942                                         }
 943
 944                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 945                                                 _debug("update_rss_feed: category tags:");
 946                                                 print_r($additional_tags);
 947                                         }
 948
 949                                 } else {
 950
 951                                         $t_ctr = $item['category#'];
 952
 953                                         $additional_tags = false;
 954
 955                                         if ($t_ctr == 0) {
 956                                                 $additional_tags = false;
 957                                         } else if ($t_ctr > 0) {
 958                                                 $additional_tags = array($item['category']);
 959
 960                                                 if ($item['category@term']) {
 961                                                         array_push($additional_tags, $item['category@term']);
 962                                                 }
 963
 964                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 965                                                         if ($item["category#$i"]) {
 966                                                                 array_push($additional_tags, $item["category#$i"]);
 967                                                         }
 968
 969                                                         if ($item["category#$i@term"]) {
 970                                                                 array_push($additional_tags, $item["category#$i@term"]);
 971                                                         }
 972                                                 }
 973                                         }
 974
 975                                         // parse <dc:subject> elements
 976
 977                                         $t_ctr = $item['dc']['subject#'];
 978
 979                                         if ($t_ctr > 0) {
 980                                                 $additional_tags = array($item['dc']['subject']);
 981
 982                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 983                                                         if ($item['dc']["subject#$i"]) {
 984                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
 985                                                         }
 986                                                 }
 987                                         }
 988                                 }
 989
 990                                 // enclosures
 991
 992                                 $enclosures = array();
 993
 994                                 if ($use_simplepie) {
 995                                         $encs = $item->get_enclosures();
 996
 997                                         if (is_array($encs)) {
 998                                                 foreach ($encs as $e) {
 999                                                         $e_item = array(
1000                                                                 $e->link, $e->type, $e->length);
1001
1002                                                         array_push($enclosures, $e_item);
1003                                                 }
1004                                         }
1005
1006                                 } else {
1007                                         // <enclosure>
1008
1009                                         $e_ctr = $item['enclosure#'];
1010
1011                                         if ($e_ctr > 0) {
1012                                                 $e_item = array($item['enclosure@url'],
1013                                                         $item['enclosure@type'],
1014                                                         $item['enclosure@length']);
1015
1016                                                 array_push($enclosures, $e_item);
1017
1018                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1019
1020                                                         if ($item["enclosure#$i@url"]) {
1021                                                                 $e_item = array($item["enclosure#$i@url"],
1022                                                                         $item["enclosure#$i@type"],
1023                                                                         $item["enclosure#$i@length"]);
1024                                                                 array_push($enclosures, $e_item);
1025                                                         }
1026                                                 }
1027                                         }
1028
1029                                         // <media:content>
1030                                         // can there be many of those? yes -fox
1031
1032                                         $m_ctr = $item['media']['content#'];
1033
1034                                         if ($m_ctr > 0) {
1035                                                 $e_item = array($item['media']['content@url'],
1036                                                         $item['media']['content@medium'],
1037                                                         $item['media']['content@length']);
1038
1039                                                 array_push($enclosures, $e_item);
1040
1041                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1042
1043                                                         if ($item["media"]["content#$i@url"]) {
1044                                                                 $e_item = array($item["media"]["content#$i@url"],
1045                                                                         $item["media"]["content#$i@medium"],
1046                                                                         $item["media"]["content#$i@length"]);
1047                                                                 array_push($enclosures, $e_item);
1048                                                         }
1049                                                 }
1050
1051                                         }
1052                                 }
1053
1054                                 # sanitize content
1055
1056                                 $entry_content = sanitize_article_content($entry_content);
1057                                 $entry_title = sanitize_article_content($entry_title);
1058
1059                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1060                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1061                                 }
1062
1063                                 db_query($link, "BEGIN");
1064
1065                                 if (db_num_rows($result) == 0) {
1066
1067                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1068                                                 _debug("update_rss_feed: base guid not found");
1069                                         }
1070
1071                                         // base post entry does not exist, create it
1072
1073                                         $result = db_query($link,
1074                                                 "INSERT INTO ttrss_entries
1075                                                         (title,
1076                                                         guid,
1077                                                         link,
1078                                                         updated,
1079                                                         content,
1080                                                         content_hash,
1081                                                         no_orig_date,
1082                                                         date_entered,
1083                                                         comments,
1084                                                         num_comments,
1085                                                         author)
1086                                                 VALUES
1087                                                         ('$entry_title',
1088                                                         '$entry_guid',
1089                                                         '$entry_link',
1090                                                         '$entry_timestamp_fmt',
1091                                                         '$entry_content',
1092                                                         '$content_hash',
1093                                                         $no_orig_date,
1094                                                         NOW(),
1095                                                         '$entry_comments',
1096                                                         '$num_comments',
1097                                                         '$entry_author')");
1098                                 } else {
1099                                         // we keep encountering the entry in feeds, so we need to
1100                                         // update date_entered column so that we don't get horrible
1101                                         // dupes when the entry gets purged and reinserted again e.g.
1102                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1103
1104                                         $base_entry_id = db_fetch_result($result, 0, "id");
1105
1106                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
1107                                                 WHERE id = '$base_entry_id'");
1108                                 }
1109
1110                                 // now it should exist, if not - bad luck then
1111
1112                                 $result = db_query($link, "SELECT
1113                                                 id,content_hash,no_orig_date,title,
1114                                                 ".SUBSTRING_FOR_DATE."(date_entered,1,19) as date_entered,
1115                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1116                                                 num_comments
1117                                         FROM
1118                                                 ttrss_entries
1119                                         WHERE guid = '$entry_guid'");
1120
1121                                 $entry_ref_id = 0;
1122                                 $entry_int_id = 0;
1123
1124                                 if (db_num_rows($result) == 1) {
1125
1126                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1127                                                 _debug("update_rss_feed: base guid found, checking for user record");
1128                                         }
1129
1130                                         // this will be used below in update handler
1131                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1132                                         $orig_title = db_fetch_result($result, 0, "title");
1133                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1134                                         $orig_date_entered = strtotime(db_fetch_result($result,
1135                                                 0, "date_entered"));
1136
1137                                         $ref_id = db_fetch_result($result, 0, "id");
1138                                         $entry_ref_id = $ref_id;
1139
1140                                         // check for user post link to main table
1141
1142                                         // do we allow duplicate posts with same GUID in different feeds?
1143                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1144                                                 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
1145                                         } else {
1146                                                 $dupcheck_qpart = "";
1147                                         }
1148
1149 //                                      error_reporting(0);
1150
1151                                         $article_filters = get_article_filters($filters, $entry_title,
1152                                                         $entry_content, $entry_link, $entry_timestamp);
1153
1154                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1155                                                 _debug("update_rss_feed: article filters: ");
1156                                                 if (count($article_filters) != 0) {
1157                                                         print_r($article_filters);
1158                                                 }
1159                                         }
1160
1161                                         if (find_article_filter($article_filters, "filter")) {
1162                                                 db_query($link, "COMMIT"); // close transaction in progress
1163                                                 continue;
1164                                         }
1165
1166 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
1167
1168                                         $score = calculate_article_score($article_filters);
1169
1170                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1171                                                 _debug("update_rss_feed: initial score: $score");
1172                                         }
1173
1174                                         $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1175                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1176                                                         $dupcheck_qpart";
1177
1178 //                                      if ($_REQUEST["xdebug"]) print "$query\n";
1179
1180                                         $result = db_query($link, $query);
1181
1182                                         // okay it doesn't exist - create user entry
1183                                         if (db_num_rows($result) == 0) {
1184
1185                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1186                                                         _debug("update_rss_feed: user record not found, creating...");
1187                                                 }
1188
1189                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1190                                                         $unread = 'true';
1191                                                         $last_read_qpart = 'NULL';
1192                                                 } else {
1193                                                         $unread = 'false';
1194                                                         $last_read_qpart = 'NOW()';
1195                                                 }
1196
1197                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1198                                                         $marked = 'true';
1199                                                 } else {
1200                                                         $marked = 'false';
1201                                                 }
1202
1203                                                 if (find_article_filter($article_filters, 'publish')) {
1204                                                         $published = 'true';
1205                                                 } else {
1206                                                         $published = 'false';
1207                                                 }
1208
1209                                                 $result = db_query($link,
1210                                                         "INSERT INTO ttrss_user_entries
1211                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1212                                                                         published, score)
1213                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1214                                                                 $last_read_qpart, $marked, $published, '$score')");
1215
1216                                                 $result = db_query($link,
1217                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1218                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1219                                                                 feed_id = '$feed' LIMIT 1");
1220
1221                                                 if (db_num_rows($result) == 1) {
1222                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1223                                                 }
1224                                         } else {
1225                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1226                                                         _debug("update_rss_feed: user record FOUND");
1227                                                 }
1228
1229                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1230                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1231                                         }
1232
1233                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1234                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1235                                         }
1236
1237                                         $post_needs_update = false;
1238
1239                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1240                                                 ($content_hash != $orig_content_hash)) {
1241 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1242                                                 $post_needs_update = true;
1243                                         }
1244
1245                                         if (db_escape_string($orig_title) != $entry_title) {
1246                                                 $post_needs_update = true;
1247                                         }
1248
1249                                         if ($orig_num_comments != $num_comments) {
1250                                                 $post_needs_update = true;
1251                                         }
1252
1253 //                                      this doesn't seem to be very reliable
1254 //
1255 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1256 //                                              $post_needs_update = true;
1257 //                                      }
1258
1259                                         // if post needs update, update it and mark all user entries
1260                                         // linking to this post as updated
1261                                         if ($post_needs_update) {
1262
1263                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1264                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1265                                                 }
1266
1267 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1268
1269                                                 db_query($link, "UPDATE ttrss_entries
1270                                                         SET title = '$entry_title', content = '$entry_content',
1271                                                                 content_hash = '$content_hash',
1272                                                                 num_comments = '$num_comments'
1273                                                         WHERE id = '$ref_id'");
1274
1275                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1276                                                         db_query($link, "UPDATE ttrss_user_entries
1277                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1278                                                 } else {
1279                                                         db_query($link, "UPDATE ttrss_user_entries
1280                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1281                                                 }
1282
1283                                         }
1284                                 }
1285
1286                                 db_query($link, "COMMIT");
1287
1288                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1289                                         _debug("update_rss_feed: assigning labels...");
1290                                 }
1291
1292                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1293                                         $owner_uid);
1294
1295                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1296                                         _debug("update_rss_feed: looking for enclosures...");
1297                                 }
1298
1299                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1300                                         print_r($enclosures);
1301                                 }
1302
1303                                 db_query($link, "BEGIN");
1304
1305                                 foreach ($enclosures as $enc) {
1306                                         $enc_url = db_escape_string($enc[0]);
1307                                         $enc_type = db_escape_string($enc[1]);
1308                                         $enc_dur = db_escape_string($enc[2]);
1309
1310                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1311                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1312
1313                                         if (db_num_rows($result) == 0) {
1314                                                 db_query($link, "INSERT INTO ttrss_enclosures
1315                                                         (content_url, content_type, title, duration, post_id) VALUES
1316                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1317                                         }
1318                                 }
1319
1320                                 db_query($link, "COMMIT");
1321
1322                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1323                                         _debug("update_rss_feed: looking for tags...");
1324                                 }
1325
1326                                 /* taaaags */
1327                                 // <a href="..." rel="tag">Xorg</a>, //
1328
1329                                 $entry_tags = null;
1330
1331                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
1332                                         $entry_content_unescaped, $entry_tags);
1333
1334 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1335                                 print_r($entry_tags);
1336                                 print "<br/></p>"; */
1337
1338                                 $entry_tags = $entry_tags[1];
1339
1340                                 # check for manual tags
1341
1342                                 $tag_filter = find_article_filter($article_filters, "tag");
1343
1344                                 if ($tag_filter) {
1345
1346                                         $manual_tags = trim_array(split(",", $tag_filter[1]));
1347
1348                                         foreach ($manual_tags as $tag) {
1349                                                 if (tag_is_valid($tag)) {
1350                                                         array_push($entry_tags, $tag);
1351                                                 }
1352                                         }
1353                                 }
1354
1355                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1356                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1357
1358                                 if ($additional_tags && is_array($additional_tags)) {
1359                                         foreach ($additional_tags as $tag) {
1360                                                 if (tag_is_valid($tag) &&
1361                                                                 array_search($tag, $boring_tags) === FALSE) {
1362                                                         array_push($entry_tags, $tag);
1363                                                 }
1364                                         }
1365                                 }
1366
1367 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1368
1369                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1370                                         print_r($entry_tags);
1371                                 }
1372
1373                                 if (count($entry_tags) > 0) {
1374
1375                                         db_query($link, "BEGIN");
1376
1377                                                 foreach ($entry_tags as $tag) {
1378
1379                                                         $tag = sanitize_tag($tag);
1380                                                         $tag = db_escape_string($tag);
1381
1382                                                         if (!tag_is_valid($tag)) continue;
1383
1384                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
1385                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1386                                                                 owner_uid = '$owner_uid' LIMIT 1");
1387
1388         //                                              print db_fetch_result($result, 0, "id");
1389
1390                                                         if ($result && db_num_rows($result) == 0) {
1391
1392                                                                 db_query($link, "INSERT INTO ttrss_tags
1393                                                                         (owner_uid,tag_name,post_int_id)
1394                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1395                                                         }
1396                                                 }
1397
1398                                         db_query($link, "COMMIT");
1399                                 }
1400
1401                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1402                                         _debug("update_rss_feed: article processed");
1403                                 }
1404                         }
1405
1406                         if (!$last_updated) {
1407                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1408                                         _debug("update_rss_feed: new feed, catching it up...");
1409                                 }
1410                                 catchup_feed($link, $feed, false, $owner_uid);
1411                         }
1412
1413                         purge_feed($link, $feed, 0);
1414
1415                         db_query($link, "UPDATE ttrss_feeds
1416                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1417
1418 //                      db_query($link, "COMMIT");
1419
1420                 } else {
1421
1422                         if ($use_simplepie) {
1423                                 $error_msg = mb_substr($rss->error(), 0, 250);
1424                         } else {
1425                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1426                         }
1427
1428                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1429                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1430                         }
1431
1432                         $error_msg = db_escape_string($error_msg);
1433
1434                         db_query($link,
1435                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1436                                         last_updated = NOW() WHERE id = '$feed'");
1437                 }
1438
1439                 if ($use_simplepie) {
1440                         unset($rss);
1441                 }
1442
1443                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1444                         _debug("update_rss_feed: done");
1445                 }
1446
1447         }
1448
1449         function print_select($id, $default, $values, $attributes = "") {
1450                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1451                 foreach ($values as $v) {
1452                         if ($v == $default)
1453                                 $sel = " selected";
1454                          else
1455                                 $sel = "";
1456
1457                         print "<option$sel>$v</option>";
1458                 }
1459                 print "</select>";
1460         }
1461
1462         function print_select_hash($id, $default, $values, $attributes = "") {
1463                 print "<select name=\"$id\" id='$id' $attributes>";
1464                 foreach (array_keys($values) as $v) {
1465                         if ($v == $default)
1466                                 $sel = 'selected="selected"';
1467                          else
1468                                 $sel = "";
1469
1470                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1471                 }
1472
1473                 print "</select>";
1474         }
1475
1476         function get_article_filters($filters, $title, $content, $link, $timestamp) {
1477                 $matches = array();
1478
1479                 if ($filters["title"]) {
1480                         foreach ($filters["title"] as $filter) {
1481                                 $reg_exp = $filter["reg_exp"];
1482                                 $inverse = $filter["inverse"];
1483                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
1484                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1485
1486                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1487                                 }
1488                         }
1489                 }
1490
1491                 if ($filters["content"]) {
1492                         foreach ($filters["content"] as $filter) {
1493                                 $reg_exp = $filter["reg_exp"];
1494                                 $inverse = $filter["inverse"];
1495
1496                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
1497                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1498
1499                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1500                                 }
1501                         }
1502                 }
1503
1504                 if ($filters["both"]) {
1505                         foreach ($filters["both"] as $filter) {
1506                                 $reg_exp = $filter["reg_exp"];
1507                                 $inverse = $filter["inverse"];
1508
1509                                 if ($inverse) {
1510                                         if (!preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1511                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1512                                         }
1513                                 } else {
1514                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1515                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1516                                         }
1517                                 }
1518                         }
1519                 }
1520
1521                 if ($filters["link"]) {
1522                         $reg_exp = $filter["reg_exp"];
1523                         foreach ($filters["link"] as $filter) {
1524                                 $reg_exp = $filter["reg_exp"];
1525                                 $inverse = $filter["inverse"];
1526
1527                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1528                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1529
1530                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1531                                 }
1532                         }
1533                 }
1534
1535                 if ($filters["date"]) {
1536                         $reg_exp = $filter["reg_exp"];
1537                         foreach ($filters["date"] as $filter) {
1538                                 $date_modifier = $filter["filter_param"];
1539                                 $inverse = $filter["inverse"];
1540                                 $check_timestamp = strtotime($filter["reg_exp"]);
1541
1542                                 # no-op when timestamp doesn't parse to prevent misfires
1543
1544                                 if ($check_timestamp) {
1545                                         $match_ok = false;
1546
1547                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1548                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1549                                                         $match_ok = true;
1550                                         }
1551
1552                                         if ($inverse) $match_ok = !$match_ok;
1553
1554                                         if ($match_ok) {
1555                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1556                                         }
1557                                 }
1558                         }
1559                 }
1560
1561                 return $matches;
1562         }
1563
1564         function find_article_filter($filters, $filter_name) {
1565                 foreach ($filters as $f) {
1566                         if ($f[0] == $filter_name) {
1567                                 return $f;
1568                         };
1569                 }
1570                 return false;
1571         }
1572
1573         function calculate_article_score($filters) {
1574                 $score = 0;
1575
1576                 foreach ($filters as $f) {
1577                         if ($f[0] == "score") {
1578                                 $score += $f[1];
1579                         };
1580                 }
1581                 return $score;
1582         }
1583
1584         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1585                 foreach ($filters as $f) {
1586                         if ($f[0] == "label") {
1587                                 label_add_article($link, $id, $f[1], $owner_uid);
1588                         };
1589                 }
1590         }
1591
1592         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1593                 $rtl_content = false, $last_updated = false, $last_error = false,
1594                 $fg_content = false, $bg_content = false) {
1595
1596                 if (!$feed_title) $feed_title = getFeedTitle($link, $feed_id, false);
1597                 if (!$unread) $unread = getFeedUnread($link, $feed_id);
1598
1599                 if ($unread > 0) $class .= "Unread";
1600
1601                 if (!$icon_file) $icon_file = getFeedIcon($feed_id);
1602
1603                 if (strpos($icon_file, "images") !== false) {
1604                         $icon_file = theme_image($link, $icon_file);
1605                 }
1606
1607                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1608                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1609                 } else {
1610                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1611                 }
1612
1613                 if ($rtl_content) {
1614                         $rtl_tag = "dir=\"rtl\"";
1615                 } else {
1616                         $rtl_tag = "dir=\"ltr\"";
1617                 }
1618
1619                 $error_notify_msg = "";
1620
1621                 if ($last_error) {
1622                         $link_title = "Error: $last_error ($last_updated)";
1623                         $error_notify_msg = "(Error)";
1624                 } else if ($last_updated) {
1625                         $link_title = "Updated: $last_updated";
1626                 }
1627
1628                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\"
1629                         href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
1630
1631 /*              if ($feed_id < -10) {
1632                         $bg_color = "#00ccff";
1633                         $fg_color = "white";
1634                 }
1635
1636                 if ($fg_color || $bg_color) {
1637                         $color_str = "<div class='labelColorIndicator'
1638                                 style='color : $fg_color; background-color : $bg_color'>l</div>";
1639                 }
1640
1641                 print $color_str; */
1642
1643                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1644                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1645                         print "$feed_icon";
1646                 }
1647
1648                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1649
1650                 if ($unread != 0) {
1651                         $fctr_class = "class=\"feedCtrHasUnread\"";
1652                 } else {
1653                         $fctr_class = "class=\"feedCtrNoUnread\"";
1654                 }
1655
1656                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1657                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1658
1659                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1660                         $total = getFeedArticles($link, $feed_id);
1661                         print "<div class=\"feedExtInfo\">
1662                                 <span id=\"FLUPD-$feed_id\">$last_updated ($total total) $error_notify_msg</span></div>";
1663                 }
1664
1665                 print "</li>";
1666
1667         }
1668
1669         function getmicrotime() {
1670                 list($usec, $sec) = explode(" ",microtime());
1671                 return ((float)$usec + (float)$sec);
1672         }
1673
1674         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1675                 foreach ($values as $v) {
1676
1677                         if ($v == $default)
1678                                 $sel = "checked";
1679                          else
1680                                 $sel = "";
1681
1682                         if ($v == $true_is) {
1683                                 $sel .= " value=\"1\"";
1684                         } else {
1685                                 $sel .= " value=\"0\"";
1686                         }
1687
1688                         print "<input class=\"noborder\"
1689                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1690
1691                 }
1692         }
1693
1694         function initialize_user_prefs($link, $uid, $profile = false) {
1695
1696                 $uid = db_escape_string($uid);
1697
1698                 if (!$profile) {
1699                         $profile = "NULL";
1700                         $profile_qpart = "AND profile IS NULL";
1701                 } else {
1702                         $profile_qpart = "AND profile = '$profile'";
1703                 }
1704
1705                 if (get_schema_version($link) < 63) $profile_qpart = "";
1706
1707                 db_query($link, "BEGIN");
1708
1709                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1710
1711                 $u_result = db_query($link, "SELECT pref_name
1712                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
1713
1714                 $active_prefs = array();
1715
1716                 while ($line = db_fetch_assoc($u_result)) {
1717                         array_push($active_prefs, $line["pref_name"]);
1718                 }
1719
1720                 while ($line = db_fetch_assoc($result)) {
1721                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1722 //                              print "adding " . $line["pref_name"] . "<br>";
1723
1724                                 if (get_schema_version($link) < 63) {
1725                                         db_query($link, "INSERT INTO ttrss_user_prefs
1726                                                 (owner_uid,pref_name,value) VALUES
1727                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1728
1729                                 } else {
1730                                         db_query($link, "INSERT INTO ttrss_user_prefs
1731                                                 (owner_uid,pref_name,value, profile) VALUES
1732                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
1733                                 }
1734
1735                         }
1736                 }
1737
1738                 db_query($link, "COMMIT");
1739
1740         }
1741
1742         function lookup_user_id($link, $user) {
1743
1744                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1745                         login = '$login'");
1746
1747                 if (db_num_rows($result) == 1) {
1748                         return db_fetch_result($result, 0, "id");
1749                 } else {
1750                         return false;
1751                 }
1752         }
1753
1754         function http_authenticate_user($link) {
1755
1756 //              error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1757
1758                 if (!$_SERVER["PHP_AUTH_USER"]) {
1759
1760                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1761                         header('HTTP/1.0 401 Unauthorized');
1762                         exit;
1763
1764                 } else {
1765                         $auth_result = authenticate_user($link,
1766                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1767
1768                         if (!$auth_result) {
1769                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1770                                 header('HTTP/1.0 401 Unauthorized');
1771                                 exit;
1772                         }
1773                 }
1774
1775                 return true;
1776         }
1777
1778         function authenticate_user($link, $login, $password, $force_auth = false) {
1779
1780                 if (!SINGLE_USER_MODE) {
1781
1782                         $pwd_hash1 = encrypt_password($password);
1783                         $pwd_hash2 = encrypt_password($password, $login);
1784                         $login = db_escape_string($login);
1785
1786                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1787                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1788
1789                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1790
1791                                 $query = "SELECT id,login,access_level,pwd_hash
1792                     FROM ttrss_users WHERE
1793                                         login = '$login'";
1794
1795                         } else {
1796                                 $query = "SELECT id,login,access_level,pwd_hash
1797                     FROM ttrss_users WHERE
1798                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1799                                                 pwd_hash = '$pwd_hash2')";
1800                         }
1801
1802                         $result = db_query($link, $query);
1803
1804                         if (db_num_rows($result) == 1) {
1805                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1806                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1807                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1808
1809                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1810                                         $_SESSION["uid"]);
1811
1812                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1813                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1814
1815                                 initialize_user_prefs($link, $_SESSION["uid"]);
1816
1817                                 return true;
1818                         }
1819
1820                         return false;
1821
1822                 } else {
1823
1824                         $_SESSION["uid"] = 1;
1825                         $_SESSION["name"] = "admin";
1826
1827                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1828
1829                         initialize_user_prefs($link, $_SESSION["uid"]);
1830
1831                         return true;
1832                 }
1833         }
1834
1835         function make_password($length = 8) {
1836
1837                 $password = "";
1838                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1839
1840         $i = 0;
1841
1842                 while ($i < $length) {
1843                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1844
1845                         if (!strstr($password, $char)) {
1846                                 $password .= $char;
1847                                 $i++;
1848                         }
1849                 }
1850                 return $password;
1851         }
1852
1853         // this is called after user is created to initialize default feeds, labels
1854         // or whatever else
1855
1856         // user preferences are checked on every login, not here
1857
1858         function initialize_user($link, $uid) {
1859
1860 /*              db_query($link, "INSERT INTO ttrss_labels2 (owner_uid, caption)
1861                         VALUES ('$uid', 'All Articles')");
1862
1863                 db_query($link, "INSERT INTO ttrss_filters
1864                         (owner_uid, feed_id, filter_type, reg_exp, enabled,
1865                                 action_id, action_param, filter_param)
1866                         VALUES ('$uid', NULL, 1, '.', true, 7, 'All Articles', 'before')"); */
1867
1868                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1869                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1870                         'http://tt-rss.org/releases.rss')");
1871
1872                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1873                         values ('$uid', 'Tiny Tiny RSS: Forum',
1874                         'http://tt-rss.org/forum/rss.php')");
1875         }
1876
1877         function logout_user() {
1878                 session_destroy();
1879                 if (isset($_COOKIE[session_name()])) {
1880                    setcookie(session_name(), '', time()-42000, '/');
1881                 }
1882         }
1883
1884         function get_script_urlpath() {
1885                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1886         }
1887
1888         function validate_session($link) {
1889                 if (SINGLE_USER_MODE) {
1890                         return true;
1891                 }
1892
1893                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1894                         if ($_SESSION["ip_address"]) {
1895                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1896                                         $_SESSION["login_error_msg"] = __("Session failed to validate (incorrect IP)");
1897                                         return false;
1898                                 }
1899                         }
1900                 }
1901
1902                 if ($_SESSION["ref_schema_version"] != get_schema_version($link, true)) {
1903                         return false;
1904                 }
1905
1906                 if ($_SESSION["uid"]) {
1907
1908                         $result = db_query($link,
1909                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1910
1911                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1912
1913                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1914                                 return false;
1915                         }
1916                 }
1917
1918 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1919
1920                         //print_r($_SESSION);
1921
1922                         if (time() > $_SESSION["cookie_lifetime"]) {
1923                                 return false;
1924                         }
1925                 } */
1926
1927                 return true;
1928         }
1929
1930         function login_sequence($link, $mobile = false) {
1931                 if (!SINGLE_USER_MODE) {
1932
1933                         $login_action = $_POST["login_action"];
1934
1935                         # try to authenticate user if called from login form
1936                         if ($login_action == "do_login") {
1937                                 $login = $_POST["login"];
1938                                 $password = $_POST["password"];
1939                                 $remember_me = $_POST["remember_me"];
1940
1941                                 if (authenticate_user($link, $login, $password)) {
1942                                         $_POST["password"] = "";
1943
1944                                         $_SESSION["language"] = $_POST["language"];
1945                                         $_SESSION["ref_schema_version"] = get_schema_version($link, true);
1946                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
1947
1948                                         if ($_POST["profile"]) {
1949
1950                                                 $profile = db_escape_string($_POST["profile"]);
1951
1952                                                 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
1953                                                         WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
1954
1955                                                 if (db_num_rows($result) != 0) {
1956                                                         $_SESSION["profile"] = $profile;
1957                                                         $_SESSION["prefs_cache"] = array();
1958                                                 }
1959                                         }
1960
1961                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1962                                         exit;
1963
1964                                         return;
1965                                 } else {
1966                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
1967                                 }
1968                         }
1969
1970                         if (!$_SESSION["uid"] || !validate_session($link)) {
1971                                 render_login_form($link, $mobile);
1972                                 //header("Location: login.php");
1973                                 exit;
1974                         } else {
1975                                 /* bump login timestamp */
1976                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1977                                         $_SESSION["uid"]);
1978
1979                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1980                                         setcookie("ttrss_lang", $_SESSION["language"],
1981                                                 time() + SESSION_COOKIE_LIFETIME);
1982                                 }
1983
1984                                 /* bump counters stamp since we're getting reloaded anyway */
1985
1986                                 $_SESSION["get_all_counters_stamp"] = time();
1987                         }
1988
1989                 } else {
1990                         return authenticate_user($link, "admin", null);
1991                 }
1992         }
1993
1994         function truncate_string($str, $max_len) {
1995                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1996                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
1997                 } else {
1998                         return $str;
1999                 }
2000         }
2001
2002         function theme_image($link, $filename) {
2003                 if ($link) {
2004                         $theme_path = get_user_theme_path($link);
2005
2006                         if ($theme_path && is_file($theme_path.$filename)) {
2007                                 return $theme_path.$filename;
2008                         } else {
2009                                 return $filename;
2010                         }
2011                 } else {
2012                         return $filename;
2013                 }
2014         }
2015
2016         function get_user_theme($link) {
2017
2018                 if (get_schema_version($link) >= 63) {
2019                         $theme_name = get_pref($link, "_THEME_ID");
2020                         if (is_dir("themes/$theme_name")) {
2021                                 return $theme_name;
2022                         } else {
2023                                 return '';
2024                         }
2025                 } else {
2026                         return '';
2027                 }
2028
2029         }
2030
2031         function get_user_theme_path($link) {
2032
2033                 if (get_schema_version($link) >= 63) {
2034                         $theme_name = get_pref($link, "_THEME_ID");
2035
2036                         if ($theme_name && is_dir("themes/$theme_name")) {
2037                                 $theme_path = "themes/$theme_name/";
2038                         } else {
2039                                 $theme_name = '';
2040                         }
2041                 } else {
2042                         $theme_path = '';
2043                 }
2044
2045                 return $theme_path;
2046         }
2047
2048         function get_user_theme_options($link) {
2049                 $t = get_user_theme_path($link);
2050
2051                 if ($t) {
2052                         if (is_file("$t/theme.ini")) {
2053                                 $ini = parse_ini_file("$t/theme.ini", true);
2054                                 if ($ini['theme']['version']) {
2055                                         return $ini['theme']['options'];
2056                                 }
2057                         }
2058                 }
2059                 return false;
2060         }
2061
2062
2063         function get_all_themes() {
2064                 $themes = glob("themes/*");
2065
2066                 asort($themes);
2067
2068                 $rv = array();
2069
2070                 foreach ($themes as $t) {
2071                         if (is_file("$t/theme.ini")) {
2072                                 $ini = parse_ini_file("$t/theme.ini", true);
2073                                 if ($ini['theme']['version'] && !$ini['theme']['disabled']) {
2074                                         $entry = array();
2075                                         $entry["path"] = $t;
2076                                         $entry["base"] = basename($t);
2077                                         $entry["name"] = $ini['theme']['name'];
2078                                         $entry["version"] = $ini['theme']['version'];
2079                                         $entry["author"] = $ini['theme']['author'];
2080                                         $entry["options"] = $ini['theme']['options'];
2081                                         array_push($rv, $entry);
2082                                 }
2083                         }
2084                 }
2085
2086                 return $rv;
2087         }
2088
2089         function smart_date_time($timestamp) {
2090                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2091                         return date("G:i", $timestamp);
2092                 } else if (date("Y", $timestamp) == date("Y")) {
2093                         return date("M d, G:i", $timestamp);
2094                 } else {
2095                         return date("Y/m/d, G:i", $timestamp);
2096                 }
2097         }
2098
2099         function smart_date($timestamp) {
2100                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2101                         return "Today";
2102                 } else if (date("Y", $timestamp) == date("Y")) {
2103                         return date("D m", $timestamp);
2104                 } else {
2105                         return date("Y/m/d", $timestamp);
2106                 }
2107         }
2108
2109         function sql_bool_to_string($s) {
2110                 if ($s == "t" || $s == "1") {
2111                         return "true";
2112                 } else {
2113                         return "false";
2114                 }
2115         }
2116
2117         function sql_bool_to_bool($s) {
2118                 if ($s == "t" || $s == "1") {
2119                         return true;
2120                 } else {
2121                         return false;
2122                 }
2123         }
2124
2125         function bool_to_sql_bool($s) {
2126                 if ($s) {
2127                         return "true";
2128                 } else {
2129                         return "false";
2130                 }
2131         }
2132
2133         function toggleEvenOdd($a) {
2134                 if ($a == "even")
2135                         return "odd";
2136                 else
2137                         return "even";
2138         }
2139
2140         function get_schema_version($link, $nocache = false) {
2141                 if (!$_SESSION["schema_version"] || $nocache) {
2142                         $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2143                         $version = db_fetch_result($result, 0, "schema_version");
2144                         $_SESSION["schema_version"] = $version;
2145                         return $version;
2146                 } else {
2147                         return $_SESSION["schema_version"];
2148                 }
2149         }
2150
2151         function sanity_check($link) {
2152
2153                 error_reporting(0);
2154
2155                 $error_code = 0;
2156                 $schema_version = get_schema_version($link);
2157
2158                 if ($schema_version != SCHEMA_VERSION) {
2159                         $error_code = 5;
2160                 }
2161
2162                 if (DB_TYPE == "mysql") {
2163                         $result = db_query($link, "SELECT true", false);
2164                         if (db_num_rows($result) != 1) {
2165                                 $error_code = 10;
2166                         }
2167                 }
2168
2169                 if (db_escape_string("testTEST") != "testTEST") {
2170                         $error_code = 12;
2171                 }
2172
2173                 error_reporting (DEFAULT_ERROR_LEVEL);
2174
2175                 if ($error_code != 0) {
2176                         print_error_xml($error_code);
2177                         return false;
2178                 } else {
2179                         return true;
2180                 }
2181         }
2182
2183         function file_is_locked($filename) {
2184                 if (function_exists('flock')) {
2185                         error_reporting(0);
2186                         $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2187                         error_reporting(DEFAULT_ERROR_LEVEL);
2188                         if ($fp) {
2189                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2190                                         flock($fp, LOCK_UN);
2191                                         fclose($fp);
2192                                         return false;
2193                                 }
2194                                 fclose($fp);
2195                                 return true;
2196                         } else {
2197                                 return false;
2198                         }
2199                 }
2200                 return true; // consider the file always locked and skip the test
2201         }
2202
2203         function make_lockfile($filename) {
2204                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2205
2206                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2207                         return $fp;
2208                 } else {
2209                         return false;
2210                 }
2211         }
2212
2213         function make_stampfile($filename) {
2214                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2215
2216                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2217                         fwrite($fp, time() . "\n");
2218                         flock($fp, LOCK_UN);
2219                         fclose($fp);
2220                         return true;
2221                 } else {
2222                         return false;
2223                 }
2224         }
2225
2226         function read_stampfile($filename) {
2227
2228                 error_reporting(0);
2229                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2230                 error_reporting (DEFAULT_ERROR_LEVEL);
2231
2232                 if ($fp) {
2233                         if (flock($fp, LOCK_EX)) {
2234                                 $stamp = fgets($fp);
2235                                 flock($fp, LOCK_UN);
2236                                 fclose($fp);
2237                                 return $stamp;
2238                         } else {
2239                                 return false;
2240                         }
2241                 } else {
2242                         return false;
2243                 }
2244         }
2245
2246         function sql_random_function() {
2247                 if (DB_TYPE == "mysql") {
2248                         return "RAND()";
2249                 } else {
2250                         return "RANDOM()";
2251                 }
2252         }
2253
2254         function catchup_feed($link, $feed, $cat_view, $owner_uid) {
2255
2256                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2257
2258                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2259
2260                                 if ($cat_view) {
2261
2262                                         if ($feed >= 0) {
2263
2264                                                 if ($feed > 0) {
2265                                                         $cat_qpart = "cat_id = '$feed'";
2266                                                 } else {
2267                                                         $cat_qpart = "cat_id IS NULL";
2268                                                 }
2269
2270                                                 $tmp_result = db_query($link, "SELECT id
2271                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2272
2273                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2274
2275                                                         $tmp_feed = $tmp_line["id"];
2276
2277                                                         db_query($link, "UPDATE ttrss_user_entries
2278                                                                 SET unread = false,last_read = NOW()
2279                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2280                                                 }
2281                                         } else if ($feed == -2) {
2282
2283
2284                                                 db_query($link, "UPDATE ttrss_user_entries
2285                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
2286                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
2287                                                         AND unread = true AND owner_uid = $owner_uid");
2288                                         }
2289
2290                                 } else if ($feed > 0) {
2291
2292                                         $tmp_result = db_query($link, "SELECT id
2293                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2294                                                 ORDER BY cat_id,title");
2295
2296                                         $parent_ids = array();
2297
2298                                         if (db_num_rows($tmp_result) > 0) {
2299                                                 while ($p = db_fetch_assoc($tmp_result)) {
2300                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2301                                                 }
2302
2303                                                 $children_qpart = implode(" OR ", $parent_ids);
2304
2305                                                 db_query($link, "UPDATE ttrss_user_entries
2306                                                         SET unread = false,last_read = NOW()
2307                                                         WHERE (feed_id = '$feed' OR $children_qpart)
2308                                                         AND owner_uid = $owner_uid");
2309
2310                                         } else {
2311                                                 db_query($link, "UPDATE ttrss_user_entries
2312                                                         SET unread = false,last_read = NOW()
2313                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2314                                         }
2315
2316                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2317
2318                                         if ($feed == -1) {
2319                                                 db_query($link, "UPDATE ttrss_user_entries
2320                                                         SET unread = false,last_read = NOW()
2321                                                         WHERE marked = true AND owner_uid = $owner_uid");
2322                                         }
2323
2324                                         if ($feed == -2) {
2325                                                 db_query($link, "UPDATE ttrss_user_entries
2326                                                         SET unread = false,last_read = NOW()
2327                                                         WHERE published = true AND owner_uid = $owner_uid");
2328                                         }
2329
2330                                         if ($feed == -3) {
2331
2332                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2333
2334                                                 if (DB_TYPE == "pgsql") {
2335                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2336                                                 } else {
2337                                                         $match_part = "updated > DATE_SUB(NOW(),
2338                                                                 INTERVAL $intl HOUR) ";
2339                                                 }
2340
2341                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2342                                                         ttrss_user_entries WHERE $match_part AND
2343                                                         unread = true AND
2344                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2345                                                         owner_uid = $owner_uid");
2346
2347                                                 $affected_ids = array();
2348
2349                                                 while ($line = db_fetch_assoc($result)) {
2350                                                         array_push($affected_ids, $line["id"]);
2351                                                 }
2352
2353                                                 catchupArticlesById($link, $affected_ids, 0);
2354                                         }
2355
2356                                         if ($feed == -4) {
2357                                                 db_query($link, "UPDATE ttrss_user_entries
2358                                                         SET unread = false,last_read = NOW()
2359                                                         WHERE owner_uid = $owner_uid");
2360                                         }
2361
2362                                 } else if ($feed < -10) { // label
2363
2364                                         $label_id = -$feed - 11;
2365
2366                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2367                                                 SET unread = false, last_read = NOW()
2368                                                         WHERE label_id = '$label_id' AND unread = true
2369                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2370
2371                                 }
2372
2373                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2374
2375                         } else { // tag
2376                                 db_query($link, "BEGIN");
2377
2378                                 $tag_name = db_escape_string($feed);
2379
2380                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2381                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2382
2383                                 while ($line = db_fetch_assoc($result)) {
2384                                         db_query($link, "UPDATE ttrss_user_entries SET
2385                                                 unread = false, last_read = NOW()
2386                                                 WHERE int_id = " . $line["post_int_id"]);
2387                                 }
2388                                 db_query($link, "COMMIT");
2389                         }
2390         }
2391
2392         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2393                         if ($cat_view) {
2394
2395                                 if ($feed > 0) {
2396                                         $cat_qpart = "cat_id = '$feed'";
2397                                 } else {
2398                                         $cat_qpart = "cat_id IS NULL";
2399                                 }
2400
2401                                 $tmp_result = db_query($link, "SELECT id,feed_url FROM ttrss_feeds
2402                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2403
2404                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2405                                         $feed_url = $tmp_line["feed_url"];
2406                                         $feed_id = $tmp_line["id"];
2407                                         update_rss_feed($link, $feed_url, $feed_id, $force_update);
2408                                 }
2409
2410                         } else {
2411                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
2412                                         WHERE id = '$feed'");
2413                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
2414                                 update_rss_feed($link, $feed_url, $feed, $force_update);
2415                         }
2416         }
2417
2418         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2419
2420                 if (!$omode) $omode = "flc";
2421
2422                 getGlobalCounters($link);
2423                 getVirtCounters($link);
2424
2425                 if (strchr($omode, "l")) getLabelCounters($link);
2426                 if (strchr($omode, "f")) getFeedCounters($link, $active_feed);
2427                 if (strchr($omode, "t")) getTagCounters($link);
2428                 if (strchr($omode, "c")) {
2429                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2430                                 getCategoryCounters($link);
2431                         }
2432                 }
2433         }
2434
2435         function getCategoryCounters($link) {
2436                 # two special categories are -1 and -2 (all virtuals; all labels)
2437
2438 /*              $ctr = getCategoryUnread($link, -1);
2439
2440                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>"; */
2441
2442                 $ctr = getCategoryUnread($link, -2);
2443
2444                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
2445
2446                 $age_qpart = getMaxAgeSubquery();
2447
2448                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2449                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2450                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2451                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2452
2453                 while ($line = db_fetch_assoc($result)) {
2454                         $line["cat_id"] = (int) $line["cat_id"];
2455
2456                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
2457                                 $line["unread"]."\"/>";
2458                 }
2459
2460                 /* Special case: NULL category doesn't actually exist in the DB */
2461
2462                 print "<counter type=\"category\" id=\"0\" counter=\"".
2463                         ccache_find($link, 0, $_SESSION["uid"], true)."\"/>";
2464
2465         }
2466
2467         function getCategoryUnread($link, $cat, $owner_uid = false) {
2468
2469                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2470
2471                 if ($cat >= 0) {
2472
2473                         if ($cat != 0) {
2474                                 $cat_query = "cat_id = '$cat'";
2475                         } else {
2476                                 $cat_query = "cat_id IS NULL";
2477                         }
2478
2479                         $age_qpart = getMaxAgeSubquery();
2480
2481                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2482                                         AND owner_uid = " . $owner_uid);
2483
2484                         $cat_feeds = array();
2485                         while ($line = db_fetch_assoc($result)) {
2486                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2487                         }
2488
2489                         if (count($cat_feeds) == 0) return 0;
2490
2491                         $match_part = implode(" OR ", $cat_feeds);
2492
2493                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2494                                 FROM ttrss_user_entries,ttrss_entries
2495                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2496                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2497
2498                         $unread = 0;
2499
2500                         # this needs to be rewritten
2501                         while ($line = db_fetch_assoc($result)) {
2502                                 $unread += $line["unread"];
2503                         }
2504
2505                         return $unread;
2506                 } else if ($cat == -1) {
2507                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
2508                 } else if ($cat == -2) {
2509
2510                         $result = db_query($link, "
2511                                 SELECT COUNT(unread) AS unread FROM
2512                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2513                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2514                                         ttrss_labels2.owner_uid = '$owner_uid'
2515                                         AND unread = true AND feed_id = ttrss_feeds.id
2516                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2517
2518                         $unread = db_fetch_result($result, 0, "unread");
2519
2520                         return $unread;
2521
2522                 }
2523         }
2524
2525         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2526                 if (DB_TYPE == "pgsql") {
2527                         return "ttrss_entries.date_entered >
2528                                 NOW() - INTERVAL '$days days'";
2529                 } else {
2530                         return "ttrss_entries.date_entered >
2531                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2532                 }
2533         }
2534
2535         function getFeedUnread($link, $feed, $is_cat = false) {
2536                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2537         }
2538
2539         function getLabelUnread($link, $label_id, $owner_uid = false) {
2540                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2541
2542                 $result = db_query($link, "
2543                         SELECT COUNT(unread) AS unread FROM
2544                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2545                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2546                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2547                                 AND unread = true AND feed_id = ttrss_feeds.id
2548                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2549
2550                 if (db_num_rows($result) != 0) {
2551                         return db_fetch_result($result, 0, "unread");
2552                 } else {
2553                         return 0;
2554                 }
2555         }
2556
2557         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2558                 $owner_uid = false) {
2559
2560                 $n_feed = (int) $feed;
2561
2562                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2563
2564                 if ($unread_only) {
2565                         $unread_qpart = "unread = true";
2566                 } else {
2567                         $unread_qpart = "true";
2568                 }
2569
2570                 $age_qpart = getMaxAgeSubquery();
2571
2572                 if ($is_cat) {
2573                         return getCategoryUnread($link, $n_feed, $owner_uid);
2574                 } if ($feed != "0" && $n_feed == 0) {
2575
2576                         $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
2577                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2578                                         AND ref_id = id AND $age_qpart
2579                                         AND $unread_qpart)) AS count FROM ttrss_tags
2580                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
2581                         return db_fetch_result($result, 0, "count");
2582
2583                 } else if ($n_feed == -1) {
2584                         $match_part = "marked = true";
2585                 } else if ($n_feed == -2) {
2586                         $match_part = "published = true";
2587                 } else if ($n_feed == -3) {
2588                         $match_part = "unread = true";
2589
2590                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2591
2592                         if (DB_TYPE == "pgsql") {
2593                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2594                         } else {
2595                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2596                         }
2597                 } else if ($n_feed == -4) {
2598                         $match_part = "true";
2599                 } else if ($n_feed >= 0) {
2600
2601                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2602                                         WHERE parent_feed = '$n_feed'
2603                                         AND owner_uid = " . $owner_uid);
2604
2605                         if (db_num_rows($result) > 0) {
2606
2607                                 $linked_feeds = array();
2608                                 while ($line = db_fetch_assoc($result)) {
2609                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2610                                 }
2611
2612                                 array_push($linked_feeds, "feed_id = $n_feed");
2613
2614                                 $match_part = implode(" OR ", $linked_feeds);
2615
2616                                 $tmp_result = db_query($link, "SELECT COUNT(int_id) AS unread
2617                                         FROM ttrss_user_entries,ttrss_entries
2618                                         WHERE   $unread_qpart AND
2619                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2620                                         $age_qpart AND
2621                                         ($match_part) AND
2622                                         owner_uid = " . $owner_uid);
2623
2624                                 $unread = 0;
2625
2626                                 # this needs to be rewritten
2627                                 while ($line = db_fetch_assoc($tmp_result)) {
2628                                         $unread += $line["unread"];
2629                                 }
2630
2631                                 return $unread;
2632
2633                         } else {
2634                                 if ($n_feed != 0) {
2635                                         $match_part = "feed_id = '$n_feed'";
2636                                 } else {
2637                                         $match_part = "feed_id IS NULL";
2638                                 }
2639                         }
2640                 } else if ($feed < -10) {
2641
2642                         $label_id = -$feed - 11;
2643
2644                         return getLabelUnread($link, $label_id, $owner_uid);
2645
2646                 }
2647
2648                 if ($match_part) {
2649
2650                         if ($n_feed != 0) {
2651                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
2652                                 $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2653                         } else {
2654                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
2655                         }
2656
2657                         $query = "SELECT count(int_id) AS unread
2658                                 FROM $from_qpart WHERE
2659                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2660                                 $age_qpart AND
2661                                 $feeds_qpart
2662                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
2663
2664                         $result = db_query($link, $query);
2665
2666                 } else {
2667
2668                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2669                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2670                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2671                                 AND $unread_qpart AND $age_qpart AND
2672                                         ttrss_tags.owner_uid = " . $owner_uid);
2673                 }
2674
2675                 $unread = db_fetch_result($result, 0, "unread");
2676
2677                 return $unread;
2678         }
2679
2680         function getGlobalUnread($link, $user_id = false) {
2681
2682                 if (!$user_id) {
2683                         $user_id = $_SESSION["uid"];
2684                 }
2685
2686                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2687                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2688
2689                 $c_id = db_fetch_result($result, 0, "c_id");
2690
2691                 return $c_id;
2692         }
2693
2694         function getGlobalCounters($link, $global_unread = -1) {
2695                 if ($global_unread == -1) {
2696                         $global_unread = getGlobalUnread($link);
2697                 }
2698                 print "<counter type=\"global\" id='global-unread'
2699                         counter='$global_unread'/>";
2700
2701                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2702                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2703
2704                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2705
2706                 print "<counter type=\"global\" id='subscribed-feeds'
2707                         counter='$subscribed_feeds'/>";
2708
2709         }
2710
2711         function getSubscribedFeeds($link) {
2712                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2713                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2714
2715                 return db_fetch_result($result, 0, "fn");
2716         }
2717
2718         function getTagCounters($link) {
2719
2720                 $age_qpart = getMaxAgeSubquery();
2721
2722                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2723                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2724                                 AND ref_id = id AND $age_qpart
2725                                 AND unread = true)) AS count FROM ttrss_tags
2726                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2727                                 ORDER BY count DESC LIMIT 55");
2728
2729                 $tags = array();
2730
2731                 while ($line = db_fetch_assoc($result)) {
2732                         $tags[$line["tag_name"]] += $line["count"];
2733                 }
2734
2735                 foreach (array_keys($tags) as $tag) {
2736                         $unread = $tags[$tag];
2737                         $tag = htmlspecialchars($tag);
2738                         print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2739                 }
2740         }
2741
2742         function getVirtCounters($link, $ret_mode = false) {
2743
2744                 $ret_arr = array();
2745
2746                 for ($i = 0; $i >= -4; $i--) {
2747
2748                         $count = getFeedUnread($link, $i);
2749
2750                         if (!$ret_mode) {
2751
2752                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2753                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $i) . " total)\"";
2754                                 } else {
2755                                         $xmsg_part = "";
2756                                 }
2757
2758                                 print "<counter type=\"label\" id=\"$i\" counter=\"$count\" $xmsg_part/>";
2759                         } else {
2760                                 $ret_arr[$i]["counter"] = $count;
2761                                 $ret_arr[$i]["description"] = getFeedTitle($link, $i);
2762                         }
2763                 }
2764
2765                 return $ret_arr;
2766         }
2767
2768         function getLabelCounters($link, $ret_mode = false) {
2769
2770                 $age_qpart = getMaxAgeSubquery();
2771
2772                 $owner_uid = $_SESSION["uid"];
2773
2774                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2775                         WHERE owner_uid = '$owner_uid'");
2776
2777                 while ($line = db_fetch_assoc($result)) {
2778
2779                         $id = -$line["id"] - 11;
2780
2781                         $label_name = $line["caption"];
2782                         $count = getFeedUnread($link, $id);
2783
2784                         if (!$ret_mode) {
2785
2786                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2787                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2788                                 } else {
2789                                         $xmsg_part = "";
2790                                 }
2791
2792                                 print "<counter type=\"label\" id=\"$id\" counter=\"$count\" $xmsg_part/>";
2793
2794                         } else {
2795                                 $ret_arr[$id]["counter"] = $count;
2796                                 $ret_arr[$id]["description"] = $label_name;
2797                         }
2798                 }
2799
2800                 return $ret_arr;
2801         }
2802
2803         function getFeedCounters($link, $active_feed = false) {
2804
2805                 $age_qpart = getMaxAgeSubquery();
2806
2807                 $query = "SELECT ttrss_feeds.id,
2808                                 ttrss_feeds.title,
2809                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2810                                 last_error, value AS count
2811                         FROM ttrss_feeds, ttrss_counters_cache
2812                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2813                                 AND parent_feed IS NULL
2814                                 AND ttrss_counters_cache.feed_id = id";
2815
2816                 $result = db_query($link, $query);
2817                 $fctrs_modified = false;
2818
2819                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2820
2821                 while ($line = db_fetch_assoc($result)) {
2822
2823                         $id = $line["id"];
2824                         $count = $line["count"];
2825                         $last_error = htmlspecialchars($line["last_error"]);
2826
2827                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2828                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2829                         } else {
2830                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2831                         }
2832
2833                         $last_updated = htmlspecialchars($last_updated);
2834
2835                         $has_img = feed_has_icon($id);
2836
2837                         $tmp_result = db_query($link,
2838                                 "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
2839                                         WHERE parent_feed = '$id' AND feed_id = id");
2840
2841                         $count += db_fetch_result($tmp_result, 0, "unread");
2842
2843                         if ($last_error) {
2844                                 $error_part = "error=\"$last_error\"";
2845                         } else {
2846                                 $error_part = "";
2847                         }
2848
2849                         if ($has_img) {
2850                                 $has_img_part = "hi=\"$has_img\"";
2851                         } else {
2852                                 $has_img_part = "";
2853                         }
2854
2855                         if ($active_feed && $id == $active_feed) {
2856                                 $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2857                         } else {
2858                                 $has_title_part = "";
2859                         }
2860
2861                         if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2862                                 $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2863                         }
2864
2865                         print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $xmsg_part $has_title_part/>";
2866                 }
2867         }
2868
2869         function get_script_dt_add() {
2870 /*              if (strpos(VERSION, ".99") === false) {
2871                         return VERSION;
2872                 } else {
2873                         return time();
2874                 } */
2875                 return time();
2876         }
2877
2878         function get_pgsql_version($link) {
2879                 $result = db_query($link, "SELECT version() AS version");
2880                 $version = split(" ", db_fetch_result($result, 0, "version"));
2881                 return $version[1];
2882         }
2883
2884         function print_error_xml($code, $add_msg = "") {
2885                 global $ERRORS;
2886
2887                 $error_msg = $ERRORS[$code];
2888
2889                 if ($add_msg) {
2890                         $error_msg = "$error_msg; $add_msg";
2891                 }
2892
2893                 print "<rpc-reply>";
2894                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2895                 print "</rpc-reply>";
2896         }
2897
2898         function subscribe_to_feed($link, $url, $cat_id = 0,
2899                         $auth_login = '', $auth_pass = '') {
2900
2901                 $parts = parse_url($url);
2902
2903                 if (!validate_feed_url($url)) return 2;
2904
2905                 if ($parts['scheme'] == 'feed') $parts['scheme'] = 'http';
2906
2907                 $url = make_url_from_parts($parts);
2908
2909                 if ($cat_id == "0" || !$cat_id) {
2910                         $cat_qpart = "NULL";
2911                 } else {
2912                         $cat_qpart = "'$cat_id'";
2913                 }
2914
2915                 $result = db_query($link,
2916                         "SELECT id FROM ttrss_feeds
2917                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
2918
2919                 if (db_num_rows($result) == 0) {
2920
2921                         $result = db_query($link,
2922                                 "INSERT INTO ttrss_feeds
2923                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2924                                 VALUES ('".$_SESSION["uid"]."', '$url',
2925                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2926
2927                         $result = db_query($link,
2928                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
2929                                         AND owner_uid = " . $_SESSION["uid"]);
2930
2931                         $feed_id = db_fetch_result($result, 0, "id");
2932
2933                         if ($feed_id) {
2934                                 update_rss_feed($link, $url, $feed_id, true);
2935                         }
2936
2937                         return 1;
2938                 } else {
2939                         return 0;
2940                 }
2941         }
2942
2943         function print_feed_select($link, $id, $default_id = "",
2944                 $attributes = "", $include_all_feeds = true) {
2945
2946                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2947                 if ($include_all_feeds) {
2948                         print "<option value=\"0\">".__('All feeds')."</option>";
2949                 }
2950
2951                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2952                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2953
2954                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2955                         print "<option disabled>--------</option>";
2956                 }
2957
2958                 while ($line = db_fetch_assoc($result)) {
2959                         if ($line["id"] == $default_id) {
2960                                 $is_selected = "selected";
2961                         } else {
2962                                 $is_selected = "";
2963                         }
2964
2965                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
2966
2967                         printf("<option $is_selected value='%d'>%s</option>",
2968                                 $line["id"], $title);
2969                 }
2970
2971                 print "</select>";
2972         }
2973
2974         function print_feed_cat_select($link, $id, $default_id = "",
2975                 $attributes = "", $include_all_cats = true) {
2976
2977                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2978
2979                 if ($include_all_cats) {
2980                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2981                 }
2982
2983                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2984                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2985
2986                 if (db_num_rows($result) > 0 && $include_all_cats) {
2987                         print "<option disabled>--------</option>";
2988                 }
2989
2990                 while ($line = db_fetch_assoc($result)) {
2991                         if ($line["id"] == $default_id) {
2992                                 $is_selected = "selected";
2993                         } else {
2994                                 $is_selected = "";
2995                         }
2996                         printf("<option $is_selected value='%d'>%s</option>",
2997                                 $line["id"], htmlspecialchars($line["title"]));
2998                 }
2999
3000                 print "</select>";
3001         }
3002
3003         function checkbox_to_sql_bool($val) {
3004                 return ($val == "on") ? "true" : "false";
3005         }
3006
3007         function getFeedCatTitle($link, $id) {
3008                 if ($id == -1) {
3009                         return __("Special");
3010                 } else if ($id < -10) {
3011                         return __("Labels");
3012                 } else if ($id > 0) {
3013                         $result = db_query($link, "SELECT ttrss_feed_categories.title
3014                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
3015                                         cat_id = ttrss_feed_categories.id");
3016                         if (db_num_rows($result) == 1) {
3017                                 return db_fetch_result($result, 0, "title");
3018                         } else {
3019                                 return __("Uncategorized");
3020                         }
3021                 } else {
3022                         return "getFeedCatTitle($id) failed";
3023                 }
3024
3025         }
3026
3027         function getFeedIcon($id) {
3028                 switch ($id) {
3029                 case 0:
3030                         return "images/archive.png";
3031                         break;
3032                 case -1:
3033                         return "images/mark_set.png";
3034                         break;
3035                 case -2:
3036                         return "images/pub_set.png";
3037                         break;
3038                 case -3:
3039                         return "images/fresh.png";
3040                         break;
3041                 case -4:
3042                         return "images/tag.png";
3043                         break;
3044                 default:
3045                         if ($id < -10) {
3046                                 return "images/label.png";
3047                         } else {
3048                                 return ICONS_URL . "/$id.ico";
3049                         }
3050                         break;
3051                 }
3052         }
3053
3054         function getFeedTitle($link, $id) {
3055                 if ($id == -1) {
3056                         return __("Starred articles");
3057                 } else if ($id == -2) {
3058                         return __("Published articles");
3059                 } else if ($id == -3) {
3060                         return __("Fresh articles");
3061                 } else if ($id == -4) {
3062                         return __("All articles");
3063                 } else if ($id === 0 || $id === "0") {
3064                         return __("Archived articles");
3065                 } else if ($id < -10) {
3066                         $label_id = -$id - 11;
3067                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
3068                         if (db_num_rows($result) == 1) {
3069                                 return db_fetch_result($result, 0, "caption");
3070                         } else {
3071                                 return "Unknown label ($label_id)";
3072                         }
3073
3074                 } else if ($id > 0) {
3075                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3076                         if (db_num_rows($result) == 1) {
3077                                 return db_fetch_result($result, 0, "title");
3078                         } else {
3079                                 return "Unknown feed ($id)";
3080                         }
3081                 } else {
3082                         return $id;
3083                 }
3084         }
3085
3086         function get_session_cookie_name() {
3087                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3088         }
3089
3090         function print_init_params($link) {
3091                 print "<init-params>";
3092                 if ($_SESSION["stored-params"]) {
3093                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
3094                                 if ($key) {
3095                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
3096                                         print "<param key=\"$key\" value=\"$value\"/>";
3097                                 }
3098                         }
3099                 }
3100
3101                 print "<param key=\"theme\" value=\"".get_user_theme($link)."\"/>";
3102                 print "<param key=\"theme_options\" value=\"".get_user_theme_options($link)."\"/>";
3103                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
3104                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
3105                 print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
3106
3107                 print "<param key=\"sign_progress\" value=\"".
3108                         theme_image($link, "images/indicator_white.gif")."\"/>";
3109
3110                 print "<param key=\"sign_progress_tiny\" value=\"".
3111                         theme_image($link, "images/indicator_tiny.gif")."\"/>";
3112
3113                 print "<param key=\"sign_excl\" value=\"".
3114                         theme_image($link, "images/sign_excl.png")."\"/>";
3115
3116                 print "<param key=\"sign_info\" value=\"".
3117                         theme_image($link, "images/sign_info.png")."\"/>";
3118
3119                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
3120                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
3121
3122                 print "<param key=\"hide_read_feeds\" value=\"" .
3123                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
3124
3125                 print "<param key=\"enable_feed_cats\" value=\"" .
3126                         (int) get_pref($link, "ENABLE_FEED_CATS") . "\"/>";
3127
3128                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
3129                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
3130
3131                 print "<param key=\"confirm_feed_catchup\" value=\"" .
3132                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
3133
3134                 print "<param key=\"cdm_auto_catchup\" value=\"" .
3135                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
3136
3137                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
3138
3139                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
3140
3141                 print "<param key=\"default_view_mode\" value=\"" .
3142                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
3143
3144                 print "<param key=\"default_view_limit\" value=\"" .
3145                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
3146
3147                 print "<param key=\"default_view_order_by\" value=\"" .
3148                         get_pref($link, "_DEFAULT_VIEW_ORDER_BY") . "\"/>";
3149
3150                 print "<param key=\"prefs_active_tab\" value=\"" .
3151                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
3152
3153                 print "<param key=\"infobox_disable_overlay\" value=\"" .
3154                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
3155
3156                 print "<param key=\"icons_location\" value=\"" .
3157                         ICONS_URL . "\"/>";
3158
3159                 print "<param key=\"hide_read_shows_special\" value=\"" .
3160                         (int) get_pref($link, "HIDE_READ_SHOWS_SPECIAL") . "\"/>";
3161
3162                 print "<param key=\"hide_feedlist\" value=\"" .
3163                         (int) get_pref($link, "HIDE_FEEDLIST") . "\"/>";
3164
3165                 print "<param key=\"bw_limit\" value=\"".
3166                         (int) $_SESSION["bw_limit"]."\"/>";
3167
3168 //              print "<param key=\"sync_counters\" value=\"" .
3169 //                      (int) get_pref($link, "SYNC_COUNTERS") . "\"/>";
3170
3171                 print "<param key=\"sync_counters\" value=\"1\"/>";
3172
3173                 print "<param key=\"offline_enabled\" value=\"".
3174                         (int) get_pref($link, "ENABLE_OFFLINE_READING") . "\"/>";
3175
3176                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3177                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3178
3179                 $num_feeds = db_fetch_result($result, 0, "cf");
3180
3181                 print "<param key=\"num_feeds\" value=\"".
3182                         (int)$num_feeds. "\"/>";
3183
3184                 print "<param key=\"collapsed_feedlist\" value=\"" .
3185                         (int) get_pref($link, "_COLLAPSED_FEEDLIST") . "\"/>";
3186
3187                 print "</init-params>";
3188         }
3189
3190         function print_runtime_info($link) {
3191                 print "<runtime-info>";
3192
3193                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3194                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3195
3196                 $num_feeds = db_fetch_result($result, 0, "cf");
3197
3198                 print "<param key=\"num_feeds\" value=\"".
3199                         (int)$num_feeds. "\"/>";
3200
3201                 if (ENABLE_UPDATE_DAEMON) {
3202                         print "<param key=\"daemon_is_running\" value=\"".
3203                                 (int) file_is_locked("update_daemon.lock") . "\"/>";
3204
3205                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3206
3207                                 $stamp = (int)read_stampfile("update_daemon.stamp");
3208
3209 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
3210
3211                                 if ($stamp) {
3212                                         $stamp_delta = time() - $stamp;
3213
3214                                         if ($stamp_delta > 1800) {
3215                                                 $stamp_check = 0;
3216                                         } else {
3217                                                 $stamp_check = 1;
3218                                                 $_SESSION["daemon_stamp_check"] = time();
3219                                         }
3220
3221                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
3222
3223                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3224
3225                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
3226                                 }
3227                         }
3228                 }
3229
3230                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3231
3232                         if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3233                                 $new_version_details = check_for_update($link);
3234
3235                                 print "<param key=\"new_version_available\" value=\"".
3236                                         sprintf("%d", $new_version_details != ""). "\"/>";
3237
3238                                 $_SESSION["last_version_check"] = time();
3239                         }
3240                 }
3241
3242 //              print "<param key=\"new_version_available\" value=\"1\"/>";
3243
3244                 print "</runtime-info>";
3245         }
3246
3247         function getSearchSql($search, $match_on) {
3248
3249                 $search_query_part = "";
3250
3251                 $keywords = split(" ", $search);
3252                 $query_keywords = array();
3253
3254                 if ($match_on == "both") {
3255
3256                         foreach ($keywords as $k) {
3257                                 if (strpos($k, "-") === 0) {
3258                                         $k = substr($k, 1);
3259                                         $not = "NOT";
3260                                 } else {
3261                                         $not = "";
3262                                 }
3263
3264                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
3265                                         OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3266                         }
3267
3268                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3269
3270                 } else if ($match_on == "title") {
3271
3272                         foreach ($keywords as $k) {
3273                                 if (strpos($k, "-") === 0) {
3274                                         $k = substr($k, 1);
3275                                         $not = "NOT";
3276                                 } else {
3277                                         $not = "";
3278                                 }
3279
3280                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
3281                         }
3282
3283                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3284
3285                 } else if ($match_on == "content") {
3286
3287                         foreach ($keywords as $k) {
3288                                 if (strpos($k, "-") === 0) {
3289                                         $k = substr($k, 1);
3290                                         $not = "NOT";
3291                                 } else {
3292                                         $not = "";
3293                                 }
3294
3295                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3296                         }
3297                 }
3298
3299                 $search_query_part = implode("AND", $query_keywords);
3300
3301                 return $search_query_part;
3302         }
3303
3304         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3305
3306                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3307
3308                         if ($search) {
3309
3310                                 $search_query_part = getSearchSql($search, $match_on);
3311                                 $search_query_part .= " AND ";
3312
3313                         } else {
3314                                 $search_query_part = "";
3315                         }
3316
3317                         $view_query_part = "";
3318
3319                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3320                                 if ($search) {
3321                                         $view_query_part = " ";
3322                                 } else if ($feed != -1) {
3323                                         $unread = getFeedUnread($link, $feed, $cat_view);
3324                                         if ($unread > 0) {
3325                                                 $view_query_part = " unread = true AND ";
3326                                         }
3327                                 }
3328                         }
3329
3330                         if ($view_mode == "marked") {
3331                                 $view_query_part = " marked = true AND ";
3332                         }
3333
3334                         if ($view_mode == "unread") {
3335                                 $view_query_part = " unread = true AND ";
3336                         }
3337
3338                         if ($view_mode == "updated") {
3339                                 $view_query_part = " (last_read is null and unread = false) AND ";
3340                         }
3341
3342                         if ($limit > 0) {
3343                                 $limit_query_part = "LIMIT " . $limit;
3344                         }
3345
3346                         $vfeed_query_part = "";
3347
3348                         // override query strategy and enable feed display when searching globally
3349                         if ($search && $search_mode == "all_feeds") {
3350                                 $query_strategy_part = "ttrss_entries.id > 0";
3351                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3352                         /* tags */
3353                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3354                                 $query_strategy_part = "ttrss_entries.id > 0";
3355                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3356                                         id = feed_id) as feed_title,";
3357                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
3358
3359                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3360
3361                                 $tmp_result = false;
3362
3363                                 if ($cat_view) {
3364                                         $tmp_result = db_query($link, "SELECT id
3365                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3366                                 } else {
3367                                         $tmp_result = db_query($link, "SELECT id
3368                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3369                                                         WHERE id = '$feed') AND id != '$feed'");
3370                                 }
3371
3372                                 $cat_siblings = array();
3373
3374                                 if (db_num_rows($tmp_result) > 0) {
3375                                         while ($p = db_fetch_assoc($tmp_result)) {
3376                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3377                                         }
3378
3379                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3380                                                 $feed, implode(" OR ", $cat_siblings));
3381
3382                                 } else {
3383                                         $query_strategy_part = "ttrss_entries.id > 0";
3384                                 }
3385
3386                         } else if ($feed > 0) {
3387
3388                                 if ($cat_view) {
3389
3390                                         if ($feed > 0) {
3391                                                 $query_strategy_part = "cat_id = '$feed'";
3392                                         } else {
3393                                                 $query_strategy_part = "cat_id IS NULL";
3394                                         }
3395
3396                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3397
3398                                 } else {
3399                                         $tmp_result = db_query($link, "SELECT id
3400                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3401                                                 ORDER BY cat_id,title");
3402
3403                                         $parent_ids = array();
3404
3405                                         if (db_num_rows($tmp_result) > 0) {
3406                                                 while ($p = db_fetch_assoc($tmp_result)) {
3407                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3408                                                 }
3409
3410                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3411                                                         $feed, implode(" OR ", $parent_ids));
3412
3413                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3414                                         } else {
3415                                                 $query_strategy_part = "feed_id = '$feed'";
3416                                         }
3417                                 }
3418                         } else if ($feed == 0) { // starred virtual feed
3419                                 $query_strategy_part = "feed_id IS NULL";
3420                         } else if ($feed == -1) { // starred virtual feed
3421                                 $query_strategy_part = "marked = true";
3422                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3423                         } else if ($feed == -2) { // published virtual feed OR labels category
3424
3425                                 if (!$cat_view) {
3426                                         $query_strategy_part = "published = true";
3427                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3428                                 } else {
3429                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3430
3431                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3432
3433                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3434                                                 ttrss_user_labels2.article_id = ref_id";
3435
3436                                 }
3437
3438                         } else if ($feed == -3) { // fresh virtual feed
3439                                 $query_strategy_part = "unread = true";
3440
3441                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3442
3443                                 if (DB_TYPE == "pgsql") {
3444                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3445                                 } else {
3446                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3447                                 }
3448
3449                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3450                         } else if ($feed == -4) { // all articles virtual feed
3451                                 $query_strategy_part = "true";
3452                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3453                         } else if ($feed <= -10) { // labels
3454                                 $label_id = -$feed - 11;
3455
3456                                 $query_strategy_part = "label_id = '$label_id' AND
3457                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3458                                         ttrss_user_labels2.article_id = ref_id";
3459
3460                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3461                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3462
3463                         } else {
3464                                 $query_strategy_part = "id > 0"; // dumb
3465                         }
3466
3467                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3468                                 $order_by = "updated";
3469                         } else {
3470                                 $order_by = "updated DESC";
3471                         }
3472
3473                         if ($view_mode != "noscores") {
3474                                 $order_by = "score DESC, $order_by";
3475                         }
3476
3477                         if ($override_order) {
3478                                 $order_by = $override_order;
3479                         }
3480
3481                         $feed_title = "";
3482
3483                         if ($search) {
3484                                 $feed_title = "Search results";
3485                         } else {
3486                                 if ($cat_view) {
3487                                         $feed_title = getCategoryTitle($link, $feed);
3488                                 } else {
3489                                         if ((int)$feed == $feed && $feed > 0) {
3490                                                 $result = db_query($link, "SELECT title,site_url,last_error
3491                                                         FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
3492
3493                                                 $feed_title = db_fetch_result($result, 0, "title");
3494                                                 $feed_site_url = db_fetch_result($result, 0, "site_url");
3495                                                 $last_error = db_fetch_result($result, 0, "last_error");
3496                                         } else {
3497                                                 $feed_title = getFeedTitle($link, $feed);
3498                                         }
3499                                 }
3500                         }
3501
3502                         $content_query_part = "content as content_preview,";
3503
3504                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3505
3506                                 if ($feed >= 0) {
3507                                         $feed_kind = "Feeds";
3508                                 } else {
3509                                         $feed_kind = "Labels";
3510                                 }
3511
3512                                 if ($limit_query_part) {
3513                                         $offset_query_part = "OFFSET $offset";
3514                                 }
3515
3516                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3517                                         if (!$override_order) {
3518                                                 $order_by = "ttrss_feeds.title, $order_by";
3519                                         }
3520                                 }
3521
3522                                 if ($feed != "0") {
3523                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
3524                                         $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
3525
3526                                 } else {
3527                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
3528                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
3529                                 }
3530
3531                                 $query = "SELECT DISTINCT
3532                                                 guid,
3533                                                 ttrss_entries.id,ttrss_entries.title,
3534                                                 updated,
3535                                                 note,
3536                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
3537                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3538                                                 $vfeed_query_part
3539                                                 $content_query_part
3540                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3541                                                 author,score
3542                                         FROM
3543                                                 $from_qpart
3544                                         WHERE
3545                                         $group_limit_part
3546                                         $feed_check_qpart
3547                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3548                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3549                                         $search_query_part
3550                                         $view_query_part
3551                                         $query_strategy_part ORDER BY $order_by
3552                                         $limit_query_part $offset_query_part";
3553
3554                                 if ($_REQUEST["debug"]) print $query;
3555
3556                                 $result = db_query($link, $query);
3557
3558                         } else {
3559                                 // browsing by tag
3560
3561                                 $feed_kind = "Tags";
3562
3563                                 $result = db_query($link, "SELECT
3564                                         guid,
3565                                         note,
3566                                         ttrss_entries.id as id,title,
3567                                         updated,
3568                                         unread,feed_id,orig_feed_id,
3569                                         marked,link,last_read,
3570                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3571                                         $vfeed_query_part
3572                                         $content_query_part
3573                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3574                                         score
3575                                         FROM
3576                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3577                                         WHERE
3578                                                 ref_id = ttrss_entries.id AND
3579                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3580                                                 post_int_id = int_id AND tag_name = '$feed' AND
3581                                                 $view_query_part
3582                                                 $search_query_part
3583                                                 $query_strategy_part ORDER BY $order_by
3584                                         $limit_query_part");
3585                         }
3586
3587                         return array($result, $feed_title, $feed_site_url, $last_error);
3588
3589         }
3590
3591         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3592                 $limit, $search, $search_mode, $match_on) {
3593
3594                 $note_style =   "float : right; background-color : #fff7d5; border-width : 1px; ".
3595                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3596                         "margin-bottom : 1em; color : #9a8c59;";
3597
3598                 if (!$limit) $limit = 30;
3599
3600                 $qfh_ret = queryFeedHeadlines($link, $feed,
3601                         $limit, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3602                         $owner_uid);
3603
3604                 $result = $qfh_ret[0];
3605                 $feed_title = htmlspecialchars($qfh_ret[1]);
3606                 $feed_site_url = $qfh_ret[2];
3607                 $last_error = $qfh_ret[3];
3608
3609 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3610
3611                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3612                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3613                         <rss version=\"2.0\">
3614                         <channel>
3615                         <title>$feed_title</title>
3616                         <link>$feed_site_url</link>
3617                         <description>Feed generated by Tiny Tiny RSS</description>";
3618
3619                 while ($line = db_fetch_assoc($result)) {
3620                         print "<item>";
3621                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3622                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3623
3624                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3625
3626                         foreach ($tags as $tag) {
3627                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3628                         }
3629
3630                         $rfc822_date = date('r', strtotime($line["updated"]));
3631
3632                         print "<pubDate>$rfc822_date</pubDate>";
3633
3634                         print "<title>" .
3635                                 htmlspecialchars($line["title"]) . "</title>";
3636
3637                         print "<description><![CDATA[";
3638
3639                         if ($line["note"]) {
3640                                 print "<div style='$note_style'>";
3641                                 print $line["note"];
3642                                 print "</div>";
3643                         }
3644
3645                         print sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3646                         print "]]></description>";
3647
3648                         print "</item>";
3649                 }
3650
3651                 print "</channel></rss>";
3652
3653         }
3654
3655         function getCategoryTitle($link, $cat_id) {
3656
3657                 if ($cat_id == -1) {
3658                         return __("Special");
3659                 } else if ($cat_id == -2) {
3660                         return __("Labels");
3661                 } else {
3662
3663                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3664                                 id = '$cat_id'");
3665
3666                         if (db_num_rows($result) == 1) {
3667                                 return db_fetch_result($result, 0, "title");
3668                         } else {
3669                                 return "Uncategorized";
3670                         }
3671                 }
3672         }
3673
3674         function strip_tags_long($string, $allowed) {
3675
3676                 $config = HTMLPurifier_Config::createDefault();
3677
3678                 $config->set('HTML', 'Allowed', $allowed);
3679                 $purifier = new HTMLPurifier($config);
3680
3681                 return $purifier->purify($string);
3682
3683         }
3684
3685         // http://ru2.php.net/strip-tags
3686
3687 /*      function strip_tags_long($textstring, $allowed){
3688         while($textstring != strip_tags($textstring, $allowed))
3689     {
3690     while (strlen($textstring) != 0)
3691          {
3692          if (strlen($textstring) > 1024) {
3693               $otherlen = 1024;
3694          } else {
3695               $otherlen = strlen($textstring);
3696          }
3697          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3698          $safetext .= $temptext;
3699          $textstring = substr_replace($textstring,'',0,$otherlen);
3700          }
3701     $textstring = $safetext;
3702     }
3703         return $textstring;
3704 } */
3705
3706
3707         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false) {
3708                 $res = $str;
3709
3710                 if (!$owner) $owner = $_SESSION["uid"];
3711
3712                 if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3713
3714 //                      $res = strip_tags_long($res,
3715 //                              "<p><a><i><em><b><strong><code><pre><blockquote><br><img><ul><ol><li>");
3716
3717                         $res = strip_tags_long($res,
3718                                 "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4");
3719
3720                 }
3721
3722                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3723                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3724                 }
3725
3726                 if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
3727                         $res = preg_replace("/href=/i", "target=\"_blank\" href=", $res);
3728                 }
3729
3730                 return $res;
3731         }
3732
3733         /**
3734          * Send by mail a digest of last articles.
3735          *
3736          * @param mixed $link The database connection.
3737          * @param integer $limit The maximum number of articles by digest.
3738          * @return boolean Return false if digests are not enabled.
3739          */
3740         function send_headlines_digests($link, $limit = 100) {
3741
3742                 if (!DIGEST_ENABLE) return false;
3743
3744                 $user_limit = DIGEST_EMAIL_LIMIT;
3745                 $days = 1;
3746
3747                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3748
3749                 if (DB_TYPE == "pgsql") {
3750                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3751                 } else if (DB_TYPE == "mysql") {
3752                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3753                 }
3754
3755                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3756                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3757
3758                 while ($line = db_fetch_assoc($result)) {
3759
3760                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3761                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3762
3763                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3764
3765                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3766                                 $digest = $tuple[0];
3767                                 $headlines_count = $tuple[1];
3768                                 $affected_ids = $tuple[2];
3769                                 $digest_text = $tuple[3];
3770
3771                                 if ($headlines_count > 0) {
3772
3773                                         $mail = new PHPMailer();
3774
3775                                         $mail->PluginDir = "lib/phpmailer/";
3776                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3777
3778                                         $mail->CharSet = "UTF-8";
3779
3780                                         $mail->From = DIGEST_FROM_ADDRESS;
3781                                         $mail->FromName = DIGEST_FROM_NAME;
3782                                         $mail->AddAddress($line["email"], $line["login"]);
3783
3784                                         if (DIGEST_SMTP_HOST) {
3785                                                 $mail->Host = DIGEST_SMTP_HOST;
3786                                                 $mail->Mailer = "smtp";
3787                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3788                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3789                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3790                                         }
3791
3792                                         $mail->IsHTML(true);
3793                                         $mail->Subject = DIGEST_SUBJECT;
3794                                         $mail->Body = $digest;
3795                                         $mail->AltBody = $digest_text;
3796
3797                                         $rc = $mail->Send();
3798
3799                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3800
3801                                         print "RC=$rc\n";
3802
3803                                         if ($rc && $do_catchup) {
3804                                                 print "Marking affected articles as read...\n";
3805                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3806                                         }
3807
3808                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3809                                                         WHERE id = " . $line["id"]);
3810                                 } else {
3811                                         print "No headlines\n";
3812                                 }
3813                         }
3814                 }
3815
3816                 print "All done.\n";
3817
3818         }
3819
3820         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3821
3822                 require_once "lib/MiniTemplator.class.php";
3823
3824                 $tpl = new MiniTemplator;
3825                 $tpl_t = new MiniTemplator;
3826
3827                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3828                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3829
3830                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3831                 $tpl->setVariable('CUR_TIME', date('G:i'));
3832
3833                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3834                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3835
3836                 $affected_ids = array();
3837
3838                 if (DB_TYPE == "pgsql") {
3839                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3840                 } else if (DB_TYPE == "mysql") {
3841                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3842                 }
3843
3844                 $result = db_query($link, "SELECT ttrss_entries.title,
3845                                 ttrss_feeds.title AS feed_title,
3846                                 date_entered,
3847                                 ttrss_user_entries.ref_id,
3848                                 link,
3849                                 SUBSTRING(content, 1, 120) AS excerpt,
3850                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3851                         FROM
3852                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3853                         WHERE
3854                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3855                                 AND include_in_digest = true
3856                                 AND $interval_query
3857                                 AND ttrss_user_entries.owner_uid = $user_id
3858                                 AND unread = true
3859                         ORDER BY ttrss_feeds.title, date_entered DESC
3860                         LIMIT $limit");
3861
3862                 $cur_feed_title = "";
3863
3864                 $headlines_count = db_num_rows($result);
3865
3866                 $headlines = array();
3867
3868                 while ($line = db_fetch_assoc($result)) {
3869                         array_push($headlines, $line);
3870                 }
3871
3872                 for ($i = 0; $i < sizeof($headlines); $i++) {
3873
3874                         $line = $headlines[$i];
3875
3876                         array_push($affected_ids, $line["ref_id"]);
3877
3878                         $updated = smart_date_time(strtotime($line["last_updated"]));
3879
3880                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3881                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3882                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3883                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3884                         $tpl->setVariable('ARTICLE_EXCERPT',
3885                                 truncate_string(strip_tags($line["excerpt"]), 100));
3886
3887                         $tpl->addBlock('article');
3888
3889                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3890                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3891                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3892                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3893 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3894 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3895
3896                         $tpl_t->addBlock('article');
3897
3898                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3899                                 $tpl->addBlock('feed');
3900                                 $tpl_t->addBlock('feed');
3901                         }
3902
3903                 }
3904
3905                 $tpl->addBlock('digest');
3906                 $tpl->generateOutputToString($tmp);
3907
3908                 $tpl_t->addBlock('digest');
3909                 $tpl_t->generateOutputToString($tmp_t);
3910
3911                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3912         }
3913
3914         function check_for_update($link) {
3915                 $releases_feed = "http://tt-rss.org/releases.rss";
3916
3917                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3918                         return;
3919                 }
3920
3921                 error_reporting(0);
3922                 if (ENABLE_SIMPLEPIE) {
3923                         $rss = new SimplePie();
3924                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3925 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3926                         $rss->set_feed_url($fetch_url);
3927                         $rss->set_output_encoding('UTF-8');
3928                         $rss->init();
3929                 } else {
3930                         $rss = fetch_rss($releases_feed);
3931                 }
3932                 error_reporting (DEFAULT_ERROR_LEVEL);
3933
3934                 if ($rss) {
3935
3936                         if (ENABLE_SIMPLEPIE) {
3937                                 $items = $rss->get_items();
3938                         } else {
3939                                 $items = $rss->items;
3940
3941                                 if (!$items || !is_array($items)) $items = $rss->entries;
3942                                 if (!$items || !is_array($items)) $items = $rss;
3943                         }
3944
3945                         if (!is_array($items) || count($items) == 0) {
3946                                 return;
3947                         }
3948
3949                         $latest_item = $items[0];
3950
3951                         if (ENABLE_SIMPLEPIE) {
3952                                 $last_title = $latest_item->get_title();
3953                         } else {
3954                                 $last_title = $latest_item["title"];
3955                         }
3956
3957                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3958
3959                         if (ENABLE_SIMPLEPIE) {
3960                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3961                                 $content = sanitize_rss($link, $latest_item->get_description());
3962                         } else {
3963                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3964                                 $content = sanitize_rss($link, $latest_item["description"]);
3965                         }
3966
3967                         if (version_compare(VERSION, $latest_version) == -1) {
3968                                 return sprintf("New version of Tiny-Tiny RSS (%s) is available:",
3969                                         $latest_version)."<div class='milestoneDetails'>$content</div>";
3970                         } else {
3971                                 return false;
3972                         }
3973                 }
3974         }
3975
3976         function markArticlesById($link, $ids, $cmode) {
3977
3978                 $tmp_ids = array();
3979
3980                 foreach ($ids as $id) {
3981                         array_push($tmp_ids, "ref_id = '$id'");
3982                 }
3983
3984                 $ids_qpart = join(" OR ", $tmp_ids);
3985
3986                 if ($cmode == 0) {
3987                         db_query($link, "UPDATE ttrss_user_entries SET
3988                         marked = false,last_read = NOW()
3989                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3990                 } else if ($cmode == 1) {
3991                         db_query($link, "UPDATE ttrss_user_entries SET
3992                         marked = true
3993                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3994                 } else {
3995                         db_query($link, "UPDATE ttrss_user_entries SET
3996                         marked = NOT marked,last_read = NOW()
3997                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3998                 }
3999         }
4000
4001         function publishArticlesById($link, $ids, $cmode) {
4002
4003                 $tmp_ids = array();
4004
4005                 foreach ($ids as $id) {
4006                         array_push($tmp_ids, "ref_id = '$id'");
4007                 }
4008
4009                 $ids_qpart = join(" OR ", $tmp_ids);
4010
4011                 if ($cmode == 0) {
4012                         db_query($link, "UPDATE ttrss_user_entries SET
4013                         published = false,last_read = NOW()
4014                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4015                 } else if ($cmode == 1) {
4016                         db_query($link, "UPDATE ttrss_user_entries SET
4017                         published = true
4018                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4019                 } else {
4020                         db_query($link, "UPDATE ttrss_user_entries SET
4021                         published = NOT published,last_read = NOW()
4022                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4023                 }
4024         }
4025
4026         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
4027
4028                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4029
4030                 $tmp_ids = array();
4031
4032                 foreach ($ids as $id) {
4033                         array_push($tmp_ids, "ref_id = '$id'");
4034                 }
4035
4036                 $ids_qpart = join(" OR ", $tmp_ids);
4037
4038                 if ($cmode == 0) {
4039                         db_query($link, "UPDATE ttrss_user_entries SET
4040                         unread = false,last_read = NOW()
4041                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4042                 } else if ($cmode == 1) {
4043                         db_query($link, "UPDATE ttrss_user_entries SET
4044                         unread = true
4045                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4046                 } else {
4047                         db_query($link, "UPDATE ttrss_user_entries SET
4048                         unread = NOT unread,last_read = NOW()
4049                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4050                 }
4051
4052                 /* update ccache */
4053
4054                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
4055                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4056
4057                 while ($line = db_fetch_assoc($result)) {
4058                         ccache_update($link, $line["feed_id"], $owner_uid);
4059                 }
4060         }
4061
4062         function catchupArticleById($link, $id, $cmode) {
4063
4064                 if ($cmode == 0) {
4065                         db_query($link, "UPDATE ttrss_user_entries SET
4066                         unread = false,last_read = NOW()
4067                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4068                 } else if ($cmode == 1) {
4069                         db_query($link, "UPDATE ttrss_user_entries SET
4070                         unread = true
4071                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4072                 } else {
4073                         db_query($link, "UPDATE ttrss_user_entries SET
4074                         unread = NOT unread,last_read = NOW()
4075                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4076                 }
4077
4078                 $feed_id = getArticleFeed($link, $id);
4079                 ccache_update($link, $feed_id, $_SESSION["uid"]);
4080         }
4081
4082         function make_guid_from_title($title) {
4083                 return preg_replace("/[ \"\',.:;]/", "-",
4084                         mb_strtolower(strip_tags($title), 'utf-8'));
4085         }
4086
4087         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4088                         $feed_id, $is_cat, $search, $match_on,
4089                         $search_mode) {
4090
4091                         print "<div class=\"headlinesSubToolbar\">";
4092
4093                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
4094                         $page_next_link = "javascript:viewFeedGoPage(1)";
4095                         $page_first_link = "javascript:viewFeedGoPage(0)";
4096
4097                         $catchup_page_link = "javascript:catchupPage()";
4098                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
4099                         $catchup_sel_link = "javascript:catchupSelection()";
4100
4101                         $archive_sel_link = "javascript:archiveSelection()";
4102                         $delete_sel_link = "javascript:deleteSelection()";
4103
4104                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4105
4106                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
4107                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
4108                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
4109                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4110
4111                                 $tog_unread_link = "javascript:selectionToggleUnread()";
4112                                 $tog_marked_link = "javascript:selectionToggleMarked()";
4113                                 $tog_published_link = "javascript:selectionTogglePublished()";
4114
4115                         } else {
4116
4117                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
4118                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
4119                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
4120
4121                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4122
4123                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
4124                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
4125                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
4126
4127                         }
4128
4129                         print "<div id=\"subtoolbar_ftitle\">";
4130
4131                         if ($feed_site_url) {
4132                                 if (!$bottom) {
4133                                         $target = "target=\"_blank\"";
4134                                 }
4135                                 print "<a $target href=\"$feed_site_url\">".
4136                                         truncate_string($feed_title,30)."</a>";
4137                         } else {
4138                                 if ($feed_id < -10) {
4139                                         $label_id = -11-$feed_id;
4140
4141                                         $result = db_query($link, "SELECT fg_color, bg_color
4142                                                 FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
4143                                                 $_SESSION["uid"]);
4144
4145                                         if (db_num_rows($result) != 0) {
4146                                                 $fg_color = db_fetch_result($result, 0, "fg_color");
4147                                                 $bg_color = db_fetch_result($result, 0, "bg_color");
4148
4149                                                 print "<span style='background : $bg_color; color : $fg_color'>";
4150                                                 print $feed_title;
4151                                                 print "</span>";
4152                                         } else {
4153                                                 print $feed_title;
4154                                         }
4155
4156                                 } else {
4157                                         print $feed_title;
4158                                 }
4159                         }
4160
4161                         if ($search) {
4162                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4163                         }
4164
4165                         print "
4166                                 <a target=\"_blank\"
4167                                         href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
4168                                         <img class=\"noborder\"
4169                                                 alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
4170                                                 </a>";
4171
4172                         print "</div>";
4173
4174                         print __('Select:')."
4175                                 <a href=\"$sel_all_link\">".__('All')."</a>,
4176                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
4177                                 <a href=\"$sel_inv_link\">".__('Invert')."</a>,
4178                                 <a href=\"$sel_none_link\">".__('None')."</a></li>";
4179
4180                         print "&nbsp;&nbsp;";
4181
4182                         print "<span
4183                                 onmouseover=\"enable_selection(false)\"
4184             onmouseout=\"enable_selection(true)\"
4185                                 onclick=\"toggleHeadlineActions()\" id=\"headlineActionsDrop\">".
4186                                 __("Actions...") . "&nbsp;&nbsp;<img width='11' height'7'
4187                                 src=\"images/down_arrow.png\">
4188                                 </span>";
4189
4190                         print "<ul id=\"headlineActionsBody\" style=\"display : none\">";
4191
4192                         print "<li class=\"insensitive\">".__('Selection toggle:')."</li>
4193                                 <li onclick=\"$tog_unread_link\">&nbsp;&nbsp;".__('Unread')."</li>
4194                                 <li onclick=\"$tog_marked_link\">&nbsp;&nbsp;".__('Starred')."</li>
4195                                 <li onclick=\"$tog_published_link\">&nbsp;&nbsp;".__('Published')."</li>
4196                                 <li class=\"insensitive\">".__('Selection:')."</li>
4197                                 <li onclick=\"$catchup_sel_link\">&nbsp;&nbsp;".__('Mark as read')."</li>";
4198
4199 //                      print "<li onclick=\"$catchup_feed_link\">&nbsp;&nbsp;".__('Entire feed').
4200 //                              "</li>";
4201
4202                         if ($feed_id != "0") {
4203                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Archive')."</li>";
4204                         } else {
4205                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Move back')."</li>";
4206                                 print "<li onclick=\"$delete_sel_link\">&nbsp;&nbsp;".__('Delete')."</li>";
4207
4208                         }
4209
4210                         //print "<li><span class=\"insensitive\">--------</span></li>";
4211                         print "<li class=\"insensitive\">".__('Assign label:')."</li>";
4212
4213                         print_labels_headlines_dropdown($link, $feed_id);
4214
4215                         print "</ul>";
4216
4217                         print "</div>";
4218                 }
4219
4220         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
4221
4222                         $tmp_category = getCategoryTitle($link, $cat_id);
4223
4224                         if ($cat_id > 0) {
4225                                 $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
4226                         } else if ($cat_id == 0 || $cat_id == -2) {
4227                                 $cat_unread = getCategoryUnread($link, $cat_id);
4228                         }
4229
4230                         if ($hidden) {
4231                                 $holder_style = "display:none;";
4232                                 $ellipsis = "…";
4233                         } else {
4234                                 $holder_style = "";
4235                                 $ellipsis = "";
4236                         }
4237
4238                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4239
4240                         if ($can_browse) {
4241                                 $browse_cat_link = "onclick=\"javascript:viewCategory($cat_id)\"";
4242                                 $inner_title_class = "catTitle";
4243                         } else {
4244                                 $browse_cat_link = "";
4245                                 $inner_title_class = "catTitleNL";
4246                         }
4247
4248                         $cat_class = "feedCat";
4249
4250                         print "<li class=\"$cat_class\" id=\"FCAT-$cat_id\">
4251                                 <img onclick=\"toggleCollapseCat($cat_id)\" class=\"catCollapse\"
4252                                         title=\"".__('Click to collapse category')."\"
4253                                         src=\"images/cat-collapse.png\"><span class=\"$inner_title_class\"
4254                                         id=\"FCATN-$cat_id\" $browse_cat_link/>$tmp_category</span>";
4255
4256                         print "<span id=\"FCAP-$cat_id\">";
4257
4258                         print " <span id=\"FCATCTR-$cat_id\"
4259                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4260
4261                         print "</span>";
4262
4263                         //print "</li>";
4264
4265                         print "<ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4266
4267         }
4268
4269         function outputFeedList($link, $tags = false) {
4270
4271                 print "<ul class=\"feedList\" id=\"feedList\">";
4272
4273                 $owner_uid = $_SESSION["uid"];
4274
4275                 /* virtual feeds */
4276
4277                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4278
4279                         $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4280
4281                         printCategoryHeader($link, -1, $cat_hidden, false);
4282                 }
4283
4284                 foreach (array(-4, -3, -1, -2, 0) as $i) {
4285                         printFeedEntry($i, "virt", false, false,
4286                                 false, $link);
4287                 }
4288
4289                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4290                         print "</ul></li>";
4291                 }
4292
4293                 if (!$tags) {
4294
4295
4296                                 $result = db_query($link, "SELECT * FROM
4297                                         ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4298
4299                                 if (db_num_rows($result) > 0) {
4300                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4301
4302                                                 $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
4303
4304                                                 printCategoryHeader($link, -2, $cat_hidden, true);
4305
4306                                         } else {
4307                                                 print "<li><hr></li>";
4308                                         }
4309                                 }
4310
4311                                 while ($line = db_fetch_assoc($result)) {
4312
4313                                         $label_id = -$line['id'] - 11;
4314                                         $count = getFeedUnread($link, $label_id);
4315
4316                                         printFeedEntry($label_id,
4317                                                 "label", $line["caption"],
4318                                                 $count, false, $link,
4319                                                 false, false, false,
4320                                                 $line['fg_color'], $line['bg_color']);
4321
4322                                 }
4323
4324                                 if (db_num_rows($result) > 0) {
4325                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4326                                                 print "</ul>";
4327                                         }
4328                                 }
4329
4330
4331                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4332                                 print "<li><hr></li>";
4333                         }
4334
4335                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4336                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4337                                         $order_by_qpart = "order_id,category,unread DESC,title";
4338                                 } else {
4339                                         $order_by_qpart = "order_id,category,title";
4340                                 }
4341                         } else {
4342                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4343                                         $order_by_qpart = "unread DESC,title";
4344                                 } else {
4345                                         $order_by_qpart = "title";
4346                                 }
4347                         }
4348
4349                         $age_qpart = getMaxAgeSubquery();
4350
4351                         $query = "SELECT ttrss_feeds.*,
4352                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4353                                 cat_id,last_error,
4354                                 ttrss_feed_categories.title AS category,
4355                                 ttrss_feed_categories.collapsed,
4356                                 value AS unread
4357                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4358                                         ON (ttrss_feed_categories.id = cat_id)
4359                                 LEFT JOIN ttrss_counters_cache
4360                                         ON
4361                                                 (ttrss_feeds.id = feed_id)
4362                                 WHERE
4363                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4364                                 ORDER BY $order_by_qpart";
4365
4366                         $result = db_query($link, $query);
4367
4368                         $actid = $_REQUEST["actid"];
4369
4370                         /* real feeds */
4371
4372                         $lnum = 0;
4373
4374                         $total_unread = 0;
4375
4376                         $category = "";
4377
4378                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4379
4380                         while ($line = db_fetch_assoc($result)) {
4381
4382                                 $feed = htmlspecialchars(trim($line["title"]));
4383
4384                                 if (!$feed) $feed = "[Untitled]";
4385
4386                                 $feed_id = $line["id"];
4387                                 $unread = $line["unread"];
4388
4389                                 $subop = $_REQUEST["subop"];
4390
4391                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4392                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4393                                 } else {
4394                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4395                                 }
4396
4397                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4398
4399                                 if ($rtl_content) {
4400                                         $rtl_tag = "dir=\"RTL\"";
4401                                 } else {
4402                                         $rtl_tag = "";
4403                                 }
4404
4405                                 $tmp_result = db_query($link,
4406                                         "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
4407                                                 WHERE parent_feed = '$feed_id' AND feed_id = id");
4408
4409                                 $unread += db_fetch_result($tmp_result, 0, "unread");
4410
4411                                 $cat_id = $line["cat_id"];
4412
4413                                 $tmp_category = $line["category"];
4414
4415                                 if (!$tmp_category) {
4416                                         $tmp_category = __("Uncategorized");
4417                                 }
4418
4419         //                      $class = ($lnum % 2) ? "even" : "odd";
4420
4421                                 if ($line["last_error"]) {
4422                                         $class = "error";
4423                                 } else {
4424                                         $class = "feed";
4425                                 }
4426
4427                                 if ($actid == $feed_id) {
4428                                         $class .= "Selected";
4429                                 }
4430
4431                                 $total_unread += $unread;
4432
4433                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4434
4435                                         if ($category) {
4436                                                 print "</ul></li>";
4437                                         }
4438
4439                                         $category = $tmp_category;
4440
4441                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4442
4443                                         // workaround for NULL category
4444                                         if ($category == __("Uncategorized")) {
4445                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4446                                         }
4447
4448                                         $cat_id = (int) $cat_id;
4449
4450                                         printCategoryHeader($link, $cat_id, $collapsed, true);
4451
4452                                 }
4453
4454                                 printFeedEntry($feed_id, $class, $feed, $unread,
4455                                         false, $link, $rtl_content,
4456                                         $last_updated, $line["last_error"]);
4457
4458                                 ++$lnum;
4459                         }
4460
4461                         if (db_num_rows($result) == 0) {
4462                                 print "<li>".__('No feeds to display.')."</li>";
4463                         }
4464
4465                 } else {
4466
4467                         // tags
4468
4469 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4470                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4471                                 post_int_id = ttrss_user_entries.int_id AND
4472                                 unread = true AND ref_id = ttrss_entries.id
4473                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4474                         UNION
4475                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4476                         ORDER BY tag_name"); */
4477
4478                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4479                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4480                                 print "<ul class=\"feedCatList\">";
4481                         }
4482
4483                         $age_qpart = getMaxAgeSubquery();
4484
4485                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4486                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4487                                         AND ref_id = id AND $age_qpart
4488                                         AND unread = true)) AS count FROM ttrss_tags
4489                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4490                                         ORDER BY count DESC LIMIT 50");
4491
4492                         $tags = array();
4493
4494                         while ($line = db_fetch_assoc($result)) {
4495                                 $tags[$line["tag_name"]] += $line["count"];
4496                         }
4497
4498                         foreach (array_keys($tags) as $tag) {
4499
4500                                 $unread = $tags[$tag];
4501                                 $class = "tag";
4502
4503                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4504
4505                         }
4506
4507                         if (db_num_rows($result) == 0) {
4508                                 print "<li>No tags to display.</li>";
4509                         }
4510
4511                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4512                                 print "</ul>";
4513                         }
4514
4515                 }
4516
4517                 print "</ul>";
4518
4519         }
4520
4521         function get_article_tags($link, $id, $owner_uid = 0) {
4522
4523                 global $memcache;
4524
4525                 $a_id = db_escape_string($id);
4526
4527                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4528
4529                 $query = "SELECT DISTINCT tag_name,
4530                         owner_uid as owner FROM
4531                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4532                         ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
4533
4534                 $obj_id = md5("TAGS:$owner_uid:$id");
4535                 $tags = array();
4536
4537                 if ($memcache && $obj = $memcache->get($obj_id)) {
4538                         $tags = $obj;
4539                 } else {
4540                         $tmp_result = db_query($link, $query);
4541
4542                         while ($tmp_line = db_fetch_assoc($tmp_result)) {
4543                                 array_push($tags, $tmp_line["tag_name"]);
4544                         }
4545
4546                         if ($memcache) $memcache->add($obj_id, $tags, 0, 3600);
4547                 }
4548
4549                 return $tags;
4550         }
4551
4552         function trim_value(&$value) {
4553                 $value = trim($value);
4554         }
4555
4556         function trim_array($array) {
4557                 $tmp = $array;
4558                 array_walk($tmp, 'trim_value');
4559                 return $tmp;
4560         }
4561
4562         function tag_is_valid($tag) {
4563                 if ($tag == '') return false;
4564                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4565                 if (mb_strlen($tag) > 250) return false;
4566
4567                 if (function_exists('iconv')) {
4568                         $tag = iconv("utf-8", "utf-8", $tag);
4569                 }
4570
4571                 if (!$tag) return false;
4572
4573                 return true;
4574         }
4575
4576         function render_login_form($link, $mobile = 0) {
4577                 switch ($mobile) {
4578                 case 0:
4579                         require_once "login_form.php";
4580                         break;
4581                 case 1:
4582                         require_once "mobile/login_form.php";
4583                         break;
4584                 case 2:
4585                         require_once "mobile/classic/login_form.php";
4586                 }
4587         }
4588
4589         // from http://developer.apple.com/internet/safari/faq.html
4590         function no_cache_incantation() {
4591                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4592                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4593                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4594                 header("Cache-Control: post-check=0, pre-check=0", false);
4595                 header("Pragma: no-cache"); // HTTP/1.0
4596         }
4597
4598         function format_warning($msg, $id = "") {
4599                 global $link;
4600                 return "<div class=\"warning\" id=\"$id\">
4601                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4602         }
4603
4604         function format_notice($msg) {
4605                 global $link;
4606                 return "<div class=\"notice\" id=\"$id\">
4607                         <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
4608         }
4609
4610         function format_error($msg) {
4611                 global $link;
4612                 return "<div class=\"error\" id=\"$id\">
4613                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4614         }
4615
4616         function print_notice($msg) {
4617                 return print format_notice($msg);
4618         }
4619
4620         function print_warning($msg) {
4621                 return print format_warning($msg);
4622         }
4623
4624         function print_error($msg) {
4625                 return print format_error($msg);
4626         }
4627
4628
4629         function T_sprintf() {
4630                 $args = func_get_args();
4631                 return vsprintf(__(array_shift($args)), $args);
4632         }
4633
4634         function format_inline_player($link, $url, $ctype) {
4635
4636                 $entry = "";
4637
4638                 if (($ctype == __("audio/mpeg")) &&  (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4639
4640                         $entry .= "<object type=\"application/x-shockwave-flash\"
4641                                 data=\"extras/button/musicplayer.swf?song_url=$url\"
4642                                 width=\"17\" height=\"17\">
4643                                         <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object>";
4644                 }
4645
4646                 /*
4647
4648                 if (substr($ctype,0,6)=="audio/" || $ctype=="application/ogg" || $ctype=="application/x-ogg") {
4649                         $entry .= "<audio controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4650                         if (($ctype == __("audio/mpeg")) &&
4651                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4652                                 $entry .= "<span><object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object></span>";
4653                         }
4654                         $entry .= "</audio> ";
4655                         if (($ctype == __("audio/mpeg")) &&
4656                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4657                                 $entry .= "<a id='switchToFlashLink' href='#' onclick='return switchToFlash(this)'>".__('Switch to Flash Player')."</a>";
4658                                 $entry .= "<script type='text/javascript'>html5AudioOrFlash('$ctype');</script>";
4659                         }
4660                 } elseif (substr($ctype,0,6)=="video/") {
4661                         $entry .= "<video controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4662                         $entry .= "</video>";
4663                 } */
4664
4665
4666
4667                 return $entry;
4668         }
4669
4670         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4671                 $zoom_mode = false) {
4672
4673                 /* we can figure out feed_id from article id anyway, why do we
4674                  * pass feed_id here? let's ignore the argument :( */
4675
4676                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4677                         WHERE ref_id = '$id'");
4678
4679                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4680
4681                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4682
4683                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4684                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4685
4686                 if (db_num_rows($result) == 1) {
4687                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4688                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4689                 } else {
4690                         $rtl_content = false;
4691                         $always_display_enclosures = false;
4692                 }
4693
4694                 if ($rtl_content) {
4695                         $rtl_tag = "dir=\"RTL\"";
4696                         $rtl_class = "RTL";
4697                 } else {
4698                         $rtl_tag = "";
4699                         $rtl_class = "";
4700                 }
4701
4702                 if ($mark_as_read) {
4703                         $result = db_query($link, "UPDATE ttrss_user_entries
4704                                 SET unread = false,last_read = NOW()
4705                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4706
4707                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4708                 }
4709
4710                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4711                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4712                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4713                         num_comments,
4714                         author,
4715                         orig_feed_id,
4716                         note
4717                         FROM ttrss_entries,ttrss_user_entries
4718                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4719
4720                 if ($result) {
4721
4722                         $line = db_fetch_assoc($result);
4723
4724                         if ($line["icon_url"]) {
4725                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4726                         } else {
4727                                 $feed_icon = "&nbsp;";
4728                         }
4729
4730                         $num_comments = $line["num_comments"];
4731                         $entry_comments = "";
4732
4733                         if ($num_comments > 0) {
4734                                 if ($line["comments"]) {
4735                                         $comments_url = $line["comments"];
4736                                 } else {
4737                                         $comments_url = $line["link"];
4738                                 }
4739                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
4740                         } else {
4741                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4742                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
4743                                 }
4744                         }
4745
4746                         if ($zoom_mode) {
4747                                 header("Content-Type: text/html");
4748                                 print "<html><head>
4749                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4750                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4751                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4752                                         </head><body>";
4753                         }
4754
4755
4756                         print "<div class=\"postReply\">";
4757
4758                         print "<div class=\"postHeader\" onmouseover=\"enable_resize(true)\"
4759                                 onmouseout=\"enable_resize(false)\">";
4760
4761                         $entry_author = $line["author"];
4762
4763                         if ($entry_author) {
4764                                 $entry_author = __(" - ") . $entry_author;
4765                         }
4766
4767                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4768                                 strtotime($line["updated"]));
4769
4770                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4771
4772                         if ($line["link"]) {
4773                                 print "<div clear='both'><a target='_blank' href=\"" . $line["link"] . "\">" .
4774                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4775                         } else {
4776                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4777                         }
4778
4779                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4780
4781                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4782
4783                         print "<div style='float : right'>
4784                                 <img src='".theme_image($link, 'images/tag.png')."'
4785                                 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4786
4787                         if (!$zoom_mode) {
4788                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4789                                         <a title=\"".__('Edit tags for this article')."\"
4790                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a>";
4791
4792                                 print "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
4793                                                 class='tagsPic' style=\"cursor : pointer\" style=\"cursor : pointer\"
4794                                                 onclick=\"zoomToArticle($id)\"
4795                                                 alt='Zoom' title='".__('Show article summary in new window')."'>";
4796
4797                                 $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4798
4799                                 print "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\"
4800                                                 class='tagsPic' style=\"cursor : pointer\" style=\"cursor : pointer\"
4801                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
4802                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
4803
4804                         } else {
4805                                 $tags_str = strip_tags($tags_str);
4806                                 print "<span id=\"ATSTR-$id\">$tags_str</span>";
4807                         }
4808                         print "</div>";
4809                         print "<div clear='both'>$entry_comments</div>";
4810
4811                         if ($line["orig_feed_id"]) {
4812
4813                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
4814                                         WHERE id = ".$line["orig_feed_id"]);
4815
4816                                 if (db_num_rows($tmp_result) != 0) {
4817
4818                                         print "<div clear='both'>";
4819                                         print __("Originally from:");
4820
4821                                         print "&nbsp;";
4822
4823                                         $tmp_line = db_fetch_assoc($tmp_result);
4824
4825                                         print "<a target='_blank'
4826                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
4827                                                 $tmp_line['title'] . "</a>";
4828
4829                                         print "&nbsp;";
4830
4831                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
4832                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
4833
4834                                         print "</div>";
4835                                 }
4836                         }
4837
4838                         print "</div>";
4839
4840                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4841
4842                         print "<div class=\"postContent\">";
4843
4844                         $article_content = sanitize_rss($link, $line["content"]);
4845
4846                         print "<div id=\"POSTNOTE-$id\">";
4847                                 if ($line['note']) {
4848                                         print format_article_note($id, $line['note']);
4849                                 }
4850                         print "</div>";
4851
4852                         print $article_content;
4853
4854 //                      $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4855 //                              post_id = '$id' AND content_url != ''");
4856
4857                         $result = get_article_enclosures($link, $id);
4858
4859 //                      if (db_num_rows($result) > 0) {
4860
4861                         if (count($result) > 0) {
4862
4863                                 $entries_html = array();
4864                                 $entries = array();
4865
4866                                 //while ($line = db_fetch_assoc($result)) {
4867                                 foreach ($result as $line) {
4868
4869                                         $url = $line["content_url"];
4870                                         $ctype = $line["content_type"];
4871
4872                                         if (!$ctype) $ctype = __("unknown type");
4873
4874                                         $filename = substr($url, strrpos($url, "/")+1);
4875
4876                                         $entry = format_inline_player($link, $url, $ctype);
4877
4878                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4879                                                 $filename . " (" . $ctype . ")" . "</a>";
4880
4881                                         array_push($entries_html, $entry);
4882
4883                                         $entry = array();
4884
4885                                         $entry["type"] = $ctype;
4886                                         $entry["filename"] = $filename;
4887                                         $entry["url"] = $url;
4888
4889                                         array_push($entries, $entry);
4890                                 }
4891
4892                                 print "<div class=\"postEnclosures\">";
4893
4894                                 if (!get_pref($link, "STRIP_IMAGES")) {
4895                                         if ($always_display_enclosures || !preg_match("/<img/i", $article_content)) {
4896                                                 foreach ($entries as $entry) {
4897                                                         if (preg_match("/image/", $entry["type"])) {
4898                                                                 print "<p><img
4899                                                                         alt=\"".htmlspecialchars($entry["filename"])."\"
4900                                                                         src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
4901                                                         }
4902                                                 }
4903                                         }
4904                                 }
4905
4906                                 print "<div class=\"postEnclosures\">";
4907
4908                                 if (db_num_rows($result) == 1) {
4909                                         print __("Attachment:") . " ";
4910                                 } else {
4911                                         print __("Attachments:") . " ";
4912                                 }
4913
4914                                 print join(", ", $entries_html);
4915
4916                                 print "</div>";
4917                         }
4918
4919                         print "</div>";
4920
4921                         print "</div>";
4922
4923                 }
4924
4925                 if (!$zoom_mode) {
4926                         print "]]></article>";
4927                 } else {
4928                         print "
4929                                 <div style=\"text-align : center\">
4930                                 <button onclick=\"return window.close()\">".
4931                                         __("Close this window")."</button></div>";
4932                         print "</body></html>";
4933
4934                 }
4935
4936         }
4937
4938         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4939                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4940                                         $override_order = false) {
4941
4942                 $disable_cache = false;
4943
4944                 $timing_info = getmicrotime();
4945
4946                 $topmost_article_ids = array();
4947
4948                 if (!$offset) {
4949                         $offset = 0;
4950                 }
4951
4952                 if ($subop == "undefined") $subop = "";
4953
4954                 $subop_split = split(":", $subop);
4955
4956                 if ($subop == "CatchupSelected") {
4957                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
4958                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
4959
4960                         catchupArticlesById($link, $ids, $cmode);
4961                 }
4962
4963                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4964                         update_generic_feed($link, $feed, $cat_view, true);
4965                 }
4966
4967                 if ($subop == "MarkAllRead")  {
4968                         catchup_feed($link, $feed, $cat_view);
4969
4970                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4971                                 if ($next_unread_feed) {
4972                                         $feed = $next_unread_feed;
4973                                 }
4974                         }
4975                 }
4976
4977                 if ($subop_split[0] == "MarkAllReadGR")  {
4978                         catchup_feed($link, $subop_split[1], false);
4979                 }
4980
4981
4982                 if ($feed_id > 0) {
4983                         $result = db_query($link,
4984                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4985
4986                         if (db_num_rows($result) == 0) {
4987                                 print "<div align='center'>".__('Feed not found.')."</div>";
4988                                 return;
4989                         }
4990                 }
4991
4992                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4993
4994                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4995                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4996
4997                         if (db_num_rows($result) == 1) {
4998                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4999                         } else {
5000                                 $rtl_content = false;
5001                         }
5002
5003                         if ($rtl_content) {
5004                                 $rtl_tag = "dir=\"RTL\"";
5005                         } else {
5006                                 $rtl_tag = "";
5007                         }
5008                 } else {
5009                         $rtl_tag = "";
5010                         $rtl_content = false;
5011                 }
5012
5013                 $script_dt_add = get_script_dt_add();
5014
5015                 /// START /////////////////////////////////////////////////////////////////////////////////
5016
5017                 $search = db_escape_string($_REQUEST["query"]);
5018
5019                 if ($search) {
5020                         $disable_cache = true;
5021                 }
5022
5023                 $search_mode = db_escape_string($_REQUEST["search_mode"]);
5024                 $match_on = db_escape_string($_REQUEST["match_on"]);
5025
5026                 if (!$match_on) {
5027                         $match_on = "both";
5028                 }
5029
5030                 $real_offset = $offset * $limit;
5031
5032                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
5033
5034                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
5035                         $search, $search_mode, $match_on, $override_order, $real_offset);
5036
5037                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
5038
5039                 $result = $qfh_ret[0];
5040                 $feed_title = $qfh_ret[1];
5041                 $feed_site_url = $qfh_ret[2];
5042                 $last_error = $qfh_ret[3];
5043
5044                 $vgroup_last_feed = $vgr_last_feed;
5045
5046                 if ($feed == -2) {
5047                         $feed_site_url = article_publish_url($link);
5048                 }
5049
5050                 /// STOP //////////////////////////////////////////////////////////////////////////////////
5051
5052                 if (!$offset) {
5053                         print "<div id=\"headlinesContainer\" $rtl_tag>";
5054
5055                         if (!$result) {
5056                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
5057                                 return;
5058                         }
5059
5060                         print_headline_subtoolbar($link, $feed_site_url, $feed_title,
5061                                 $feed, $cat_view, $search, $match_on, $search_mode);
5062
5063                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
5064                 }
5065
5066                 $headlines_count = db_num_rows($result);
5067
5068                 if (db_num_rows($result) > 0) {
5069
5070 #                       print "\{$offset}";
5071
5072                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5073                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
5074                                         cellspacing=\"0\">";
5075                         }
5076
5077                         $lnum = $limit*$offset;
5078
5079                         error_reporting (DEFAULT_ERROR_LEVEL);
5080
5081                         $num_unread = 0;
5082                         $cur_feed_title = '';
5083
5084                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
5085
5086                         while ($line = db_fetch_assoc($result)) {
5087
5088                                 $class = ($lnum % 2) ? "even" : "odd";
5089
5090                                 $id = $line["id"];
5091                                 $feed_id = $line["feed_id"];
5092
5093                                 $labels = get_article_labels($link, $id);
5094
5095                                 $labels_str = "<span id=\"HLLCTR-$id\">";
5096                                 $labels_str .= format_article_labels($labels, $id);
5097                                 $labels_str .= "</span>";
5098
5099                                 if (count($topmost_article_ids) < 5) {
5100                                         array_push($topmost_article_ids, $id);
5101                                 }
5102
5103                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
5104
5105                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5106                                                 theme_image($link, 'images/updated.png')."\"
5107                                                 alt=\"Updated\">";
5108                                 } else {
5109                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
5110                                                 alt=\"Updated\">";
5111                                 }
5112
5113                                 if (sql_bool_to_bool($line["unread"]) &&
5114                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
5115
5116                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5117                                                 theme_image($link, 'images/fresh_sign.png')."\" alt=\"Fresh\">";
5118                                 }
5119
5120                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
5121                                         $class .= "Unread";
5122                                         ++$num_unread;
5123                                         $is_unread = true;
5124                                 } else {
5125                                         $is_unread = false;
5126                                 }
5127
5128                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
5129                                         $marked_pic = "<img id=\"FMPIC-$id\"
5130                                                 src=\"".theme_image($link, 'images/mark_set.png')."\"
5131                                                 class=\"markedPic\" alt=\"Unstar article\"
5132                                                 onclick='javascript:tMark($id)'>";
5133                                 } else {
5134                                         $marked_pic = "<img id=\"FMPIC-$id\"
5135                                                 src=\"".theme_image($link, 'images/mark_unset.png')."\"
5136                                                 class=\"markedPic\" alt=\"Star article\"
5137                                                 onclick='javascript:tMark($id)'>";
5138                                 }
5139
5140                                 if ($line["published"] == "t" || $line["published"] == "1") {
5141                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
5142                                                 'images/pub_set.png')."\"
5143                                                 class=\"markedPic\"
5144                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
5145                                 } else {
5146                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
5147                                                 'images/pub_unset.png')."\"
5148                                                 class=\"markedPic\"
5149                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
5150                                 }
5151
5152 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
5153 #                                       $line["title"] . "</a>";
5154
5155 #                               $content_link = "<a
5156 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
5157 #                                       onclick=\"view($id,$feed_id);\">" .
5158 #                                       $line["title"] . "</a>";
5159
5160 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
5161 #                                       $line["title"] . "</a>";
5162
5163                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
5164                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
5165                                 } else {
5166                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
5167                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
5168                                 }
5169
5170                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5171                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
5172                                                 100);
5173                                 }
5174
5175                                 $score = $line["score"];
5176
5177                                 $score_pic = theme_image($link,
5178                                         "images/" . get_score_pic($score));
5179
5180 /*                              $score_title = __("(Click to change)");
5181                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5182                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
5183
5184                                 $score_pic = "<img class='hlScorePic' src=\"$score_pic\"
5185                                         title=\"$score\">";
5186
5187                                 if ($score > 500) {
5188                                         $hlc_suffix = "H";
5189                                 } else if ($score < -100) {
5190                                         $hlc_suffix = "L";
5191                                 } else {
5192                                         $hlc_suffix = "";
5193                                 }
5194
5195                                 $entry_author = $line["author"];
5196
5197                                 if ($entry_author) {
5198                                         $entry_author = " - $entry_author";
5199                                 }
5200
5201                                 $has_feed_icon = feed_has_icon($feed_id);
5202
5203                                 if ($has_feed_icon) {
5204                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5205                                 } else {
5206                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5207                                         $feed_icon_img = "";
5208                                 }
5209
5210                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5211
5212                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5213                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5214
5215                                                         $cur_feed_title = $line["feed_title"];
5216                                                         $vgroup_last_feed = $feed_id;
5217
5218                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5219
5220                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5221
5222                                                         print "<tr class='feedTitle'><td colspan='7'>".
5223                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5224                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5225                                                                 $line["feed_title"]."</a> $vf_catchup_link</td></tr>";
5226                                                 }
5227                                         }
5228
5229                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5230                                                 onmouseout='postMouseOut($id)'";
5231
5232                                         print "<tr class='$class' id='RROW-$id' $mouseover_attrs>";
5233
5234                                         print "<td class='hlUpdPic'>$update_pic</td>";
5235
5236                                         print "<td class='hlSelectRow'>
5237                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
5238                                                         id=\"RCHK-$id\">
5239                                                 </td>";
5240
5241                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
5242                                         print "<td class='hlMarkedPic'>$published_pic</td>";
5243
5244 #                                       if ($line["feed_title"]) {
5245 #                                               print "<td class='hlContent'>$content_link</td>";
5246 #                                               print "<td class='hlFeed'>
5247 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5248 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
5249 #                                       } else {
5250
5251                                         print "<td onclick='view($id)' class='hlContent$hlc_suffix' valign='middle' id='HLC-$id'>";
5252
5253                                         print "<a id=\"RTITLE-$id\"
5254                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5255                                                 onclick=\"return false\">" .
5256                                                 $line["title"];
5257
5258                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5259                                                 if ($content_preview) {
5260                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5261                                                 }
5262                                         }
5263
5264                                         print "</a>";
5265
5266                                         print $labels_str;
5267
5268 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5269 #                                                       $line["feed_title"]."</a>
5270
5271                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5272                                                 if ($line["feed_title"]) {
5273                                                         print "<span class=\"hlFeed\">
5274                                                                 (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5275                                                                 $line["feed_title"]."</a>)
5276                                                         </span>";
5277                                                 }
5278                                         }
5279
5280 //                                      print "<img id='HLL-$id' class='hlLoading'
5281 //                                              src='images/indicator_tiny.gif' style='display : none'>";
5282
5283                                         print "</td>";
5284
5285 #                                       }
5286
5287                                         print "<td class=\"hlUpdated\" onclick='view($id)'><nobr>$updated_fmt&nbsp;</nobr></td>";
5288
5289                                         print "<td class='hlMarkedPic'>$score_pic</td>";
5290
5291                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5292                                                 print "<td onclick=\"viewfeed($feed_id)\" class=\"hlFeedIcon\">$feed_icon_img</td>";
5293                                         }
5294
5295                                         print "</tr>";
5296
5297                                 } else {
5298
5299                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5300                                                 if ($feed_id != $vgroup_last_feed) {
5301
5302                                                         $cur_feed_title = $line["feed_title"];
5303                                                         $vgroup_last_feed = $feed_id;
5304
5305                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5306
5307                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5308
5309                                                         $has_feed_icon = feed_has_icon($feed_id);
5310
5311                                                         if ($has_feed_icon) {
5312                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5313                                                         } else {
5314                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5315                                                         }
5316
5317                                                         print "<div class='cdmFeedTitle'>".
5318                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5319                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5320                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5321                                                 }
5322                                         }
5323
5324                                         if ($is_unread) {
5325                                                 $add_class = "Unread";
5326                                         } else {
5327                                                 $add_class = "";
5328                                         }
5329
5330                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5331                                         $show_excerpt = false;
5332
5333                                         if ($expand_cdm && $score >= -100) {
5334                                                 $cdm_cstyle = "";
5335                                                 $show_excerpt = false;
5336                                         } else {
5337                                                 $cdm_cstyle = "style=\"display : none\"";
5338                                                 $show_excerpt = true;
5339                                         }
5340
5341                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5342                                                 onmouseout='postMouseOut($id)'";
5343
5344                                         print "<div class=\"cdmArticle$add_class\"
5345                                                 id=\"RROW-$id\"
5346                                                 $mouseover_attrs'>";
5347
5348                                         print "<div class=\"cdmHeader\">";
5349
5350                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") || !$line["feed_title"]) {
5351                                                 $cdm_feed_icon = "<span style=\"cursor : pointer\" onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5352                                         }
5353
5354                                         print "<div class=\"articleUpdated\">$updated_fmt $score_pic $cdm_feed_icon
5355                                                 </div>";
5356
5357                                         print "<span id=\"RTITLE-$id\" class=\"titleWrap$hlc_suffix\"><a class=\"title\"
5358                                                 onclick=\"javascript:toggleUnread($id, 0)\"
5359                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5360                                                 ";
5361
5362                                         print $entry_author;
5363
5364 /*                                      if (!$expand_cdm || $score < -100) {
5365                                                 print "&nbsp;<a id=\"CICH-$id\"
5366                                                         href=\"javascript:cdmExpandArticle($id)\">
5367                                                         (".__('Show article').")</a>";
5368                                         } */
5369
5370                                         print $labels_str;
5371
5372                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5373                                                 if ($line["feed_title"]) {
5374                                                         print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
5375                                                 }
5376                                         }
5377
5378                                         print "</span></div>";
5379
5380                                         if ($show_excerpt) {
5381                                                 print "<div class=\"cdmExcerpt\" id=\"CEXC-$id\"
5382                                                         onclick=\"cdmExpandArticle($id)\"
5383                                                         title=\"".__('Click to expand article')."\">";
5384
5385                                                 $content_preview = trim(truncate_string(strip_tags($line["content_preview"]), 100));
5386
5387                                                 if (strlen($content_preview) != 0) {
5388                                                         print $content_preview;
5389                                                 } else {
5390                                                         print __('Click to expand article');
5391                                                 }
5392                                                 print "</div>";
5393                                         }
5394
5395                                         print "<div class=\"cdmContent\"
5396                                                 onclick=\"cdmClicked($id)\"
5397                                                 id=\"CICD-$id\" $cdm_cstyle>";
5398
5399                                         if ($line["orig_feed_id"]) {
5400
5401                                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
5402                                                 WHERE id = ".$line["orig_feed_id"]);
5403
5404                                                 if (db_num_rows($tmp_result) != 0) {
5405
5406                                                 print "<div clear='both'>";
5407                                                 print __("Originally from:");
5408
5409                                                 print "&nbsp;";
5410
5411                                                 $tmp_line = db_fetch_assoc($tmp_result);
5412
5413                                                 print "<a target='_blank'
5414                                                         href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
5415                                                         $tmp_line['title'] . "</a>";
5416
5417                                                 print "&nbsp;";
5418
5419                                                 print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
5420                                                 print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
5421
5422                                                 print "</div>";
5423                                         }
5424                                 }
5425
5426 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
5427
5428                                         print "<div id=\"POSTNOTE-$id\">";
5429                                         if ($line['note']) {
5430                                                 print format_article_note($id, $line['note']);
5431                                         }
5432                                         print "</div>";
5433
5434                                         print sanitize_rss($link, $line["content_preview"]);
5435
5436                                         $article_content = $line["content_preview"];
5437
5438                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
5439                                                 post_id = '$id' AND content_url != ''");
5440
5441                                         if (db_num_rows($e_result) > 0) {
5442
5443                                 $entries_html = array();
5444                                 $entries = array();
5445
5446                                 while ($e_line = db_fetch_assoc($e_result)) {
5447
5448                                         $url = $e_line["content_url"];
5449                                         $ctype = $e_line["content_type"];
5450                                         if (!$ctype) $ctype = __("unknown type");
5451
5452                                         $filename = substr($url, strrpos($url, "/")+1);
5453
5454                                         $entry = format_inline_player($link, $url, $ctype);
5455
5456                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5457                                                 $filename . " (" . $ctype . ")" . "</a>";
5458
5459                                         array_push($entries_html, $entry);
5460
5461                                         $entry = array();
5462
5463                                         $entry["type"] = $ctype;
5464                                         $entry["filename"] = $filename;
5465                                         $entry["url"] = $url;
5466
5467                                         array_push($entries, $entry);
5468                                 }
5469
5470                                 $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5471                                         ttrss_feeds WHERE id = ".$line['feed_id']." AND owner_uid = ".$_SESSION["uid"]);
5472
5473                                 $always_display_enclosures = db_fetch_result($tmp_result, 0, "always_display_enclosures");
5474
5475                                 if (!get_pref($link, "STRIP_IMAGES")) {
5476                                         if ($always_display_enclosures || !preg_match("/img/i", $article_content)) {
5477                                                 foreach ($entries as $entry) {
5478                                                         if (preg_match("/image/", $entry["type"])) {
5479                                                                 print "<p><img
5480                                                                         alt=\"".htmlspecialchars($entry["filename"])."\"
5481                                                                         src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
5482                                                         }
5483                                                 }
5484                                         }
5485                                 }
5486
5487                                 print "<div class=\"cdmEnclosures\">";
5488
5489                                 if (db_num_rows($e_result) == 1) {
5490                                         print __("Attachment:") . " ";
5491                                 } else {
5492                                         print __("Attachments:") . " ";
5493                                 }
5494
5495                                 print join(", ", $entries_html);
5496
5497                                 print "</div>";
5498                         }
5499
5500
5501                                         print "<br clear='both'>";
5502 //                                      print "</div>";
5503
5504 /*                                      if (!$expand_cdm) {
5505                                                 print "<a id=\"CICH-$id\"
5506                                                         href=\"javascript:cdmExpandArticle($id)\">
5507                                                         Show article</a>";
5508                                         } */
5509
5510                                         print "</div>";
5511
5512                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5513
5514                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5515
5516                                         print __("Select:").
5517                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5518                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5519
5520                                         print "</span><span class='s1'>$marked_pic&nbsp;";
5521                                         print "$published_pic&nbsp;";
5522                                         print "<img src=\"images/art-zoom.png\" class='tagsPic'
5523                                                 onclick=\"zoomToArticle($id)\"
5524                                                 style=\"cursor : pointer\"
5525                                                 alt='Zoom'
5526                                                 title='".__('Show article summary in new window')."'>&nbsp;";
5527
5528                                         $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5529
5530                                         print "<img src=\"images/art-pub-note.png\" class='tagsPic'
5531                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5532                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
5533                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
5534
5535                                         print "</span>";
5536
5537                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5538
5539                                         print "<span class='s1'>
5540                                                 <img class='tagsPic' src='".theme_image($link,
5541                                                         'images/tag.png')."' alt='Tags' title='Tags'>
5542                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5543                                                 <a title=\"".__('Edit tags for this article')."\"
5544                                                 href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5545
5546                                         print "</span>";
5547
5548                                         print "<span class='s2'><a class=\"cdmToggleLink\"
5549                                                         href=\"javascript:toggleUnread($id)\">
5550                                                         ".__('toggle unread')."</a></span>";
5551
5552                                         print "</div>";
5553                                         print "</div>";
5554
5555                                 }
5556
5557                                 ++$lnum;
5558                         }
5559
5560                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5561                                 print "</table>";
5562                         }
5563
5564                 } else {
5565                         $message = "";
5566
5567                         switch ($view_mode) {
5568                                 case "unread":
5569                                         $message = __("No unread articles found to display.");
5570                                         break;
5571                                 case "updated":
5572                                         $message = __("No updated articles found to display.");
5573                                         break;
5574                                 case "marked":
5575                                         $message = __("No starred articles found to display.");
5576                                         break;
5577                                 default:
5578                                         if ($feed < -10) {
5579                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5580                                         } else {
5581                                                 $message = __("No articles found to display.");
5582                                         }
5583                         }
5584
5585                         if (!$offset) print "<div class='whiteBox'>$message</div>";
5586                 }
5587
5588                 if (!$offset) {
5589                         print "</div>";
5590                         print "</div>";
5591                 }
5592
5593                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5594         }
5595
5596 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5597
5598         function printTagCloud($link) {
5599
5600                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5601                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5602                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5603
5604                 $result = db_query($link, $query);
5605
5606                 $tags = array();
5607
5608                 while ($line = db_fetch_assoc($result)) {
5609                         $tags[$line["tag_name"]] = $line["count"];
5610                 }
5611
5612                 ksort($tags);
5613
5614                 $max_size = 32; // max font size in pixels
5615                 $min_size = 11; // min font size in pixels
5616
5617                 // largest and smallest array values
5618                 $max_qty = max(array_values($tags));
5619                 $min_qty = min(array_values($tags));
5620
5621                 // find the range of values
5622                 $spread = $max_qty - $min_qty;
5623                 if ($spread == 0) { // we don't want to divide by zero
5624                                 $spread = 1;
5625                 }
5626
5627                 // set the font-size increment
5628                 $step = ($max_size - $min_size) / ($spread);
5629
5630                 // loop through the tag array
5631                 foreach ($tags as $key => $value) {
5632                         // calculate font-size
5633                         // find the $value in excess of $min_qty
5634                         // multiply by the font-size increment ($size)
5635                         // and add the $min_size set above
5636                         $size = round($min_size + (($value - $min_qty) * $step));
5637
5638                         $key_escaped = str_replace("'", "\\'", $key);
5639
5640                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5641                                 $size . "px\" title=\"$value articles tagged with " .
5642                                 $key . '">' . $key . '</a> ';
5643                 }
5644         }
5645
5646         function print_checkpoint($n, $s) {
5647                 $ts = getmicrotime();
5648                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5649                 return $ts;
5650         }
5651
5652         function sanitize_tag($tag) {
5653                 $tag = trim($tag);
5654
5655                 $tag = mb_strtolower($tag, 'utf-8');
5656
5657                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5658
5659 //              $tag = str_replace('"', "", $tag);
5660 //              $tag = str_replace("+", " ", $tag);
5661                 $tag = str_replace("technorati tag: ", "", $tag);
5662
5663                 return $tag;
5664         }
5665
5666         function generate_publish_key() {
5667                 return sha1(uniqid(rand(), true));
5668         }
5669
5670         function article_publish_url($link) {
5671
5672                 $url_path = "";
5673
5674
5675                 if ($_SERVER['HTTPS'] != "on") {
5676                         $url_path = "http://";
5677                 } else {
5678                         $url_path = "https://";
5679                 }
5680
5681                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5682                 $url_path .= "/backend.php?op=publish&key=" .
5683                         get_pref($link, "_PREFS_PUBLISH_KEY", $_SESSION["uid"]);
5684
5685                 return $url_path;
5686         }
5687
5688         /**
5689          * Purge a feed contents, marked articles excepted.
5690          *
5691          * @param mixed $link The database connection.
5692          * @param integer $id The id of the feed to purge.
5693          * @return void
5694          */
5695         function clear_feed_articles($link, $id) {
5696
5697                 if ($id != 0) {
5698                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5699                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5700                 } else {
5701                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5702                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5703                 }
5704
5705                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5706                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5707
5708                 ccache_update($link, $id, $_SESSION['uid']);
5709         } // function clear_feed_articles
5710
5711         /**
5712          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5713          *
5714          * @return string The Mozilla Firefox feed adding URL.
5715          */
5716         function add_feed_url() {
5717                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5718                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5719                 return $url_path;
5720         } // function add_feed_url
5721
5722         /**
5723          * Encrypt a password in SHA1.
5724          *
5725          * @param string $pass The password to encrypt.
5726          * @param string $login A optionnal login.
5727          * @return string The encrypted password.
5728          */
5729         function encrypt_password($pass, $login = '') {
5730                 if ($login) {
5731                         return "SHA1X:" . sha1("$login:$pass");
5732                 } else {
5733                         return "SHA1:" . sha1($pass);
5734                 }
5735         } // function encrypt_password
5736
5737         /**
5738          * Update a feed batch.
5739          * Used by daemons to update n feeds by run.
5740          * Only update feed needing a update, and not being processed
5741          * by another process.
5742          *
5743          * @param mixed $link Database link
5744          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5745          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5746          * @param boolean $debug Set to false to disable debug output. Default to true.
5747          * @return void
5748          */
5749         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5750                 // Process all other feeds using last_updated and interval parameters
5751
5752                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5753                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5754                         if (DB_TYPE == "pgsql") {
5755                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5756                         } else {
5757                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5758                         }
5759                 } else {
5760                         $login_thresh_qpart = "";
5761                 }
5762
5763                 // Test if the feed need a update (update interval exceded).
5764                 if (DB_TYPE == "pgsql") {
5765                         $update_limit_qpart = "AND ((
5766                                         ttrss_feeds.update_interval = 0
5767                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5768                                 ) OR (
5769                                         ttrss_feeds.update_interval > 0
5770                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5771                                 ) OR ttrss_feeds.last_updated IS NULL)";
5772                 } else {
5773                         $update_limit_qpart = "AND ((
5774                                         ttrss_feeds.update_interval = 0
5775                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5776                                 ) OR (
5777                                         ttrss_feeds.update_interval > 0
5778                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5779                                 ) OR ttrss_feeds.last_updated IS NULL)";
5780                 }
5781
5782                 // Test if feed is currently being updated by another process.
5783                 if (DB_TYPE == "pgsql") {
5784                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5785                 } else {
5786                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5787                 }
5788
5789                 // Test if there is a limit to number of updated feeds
5790                 $query_limit = "";
5791                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5792
5793                 $random_qpart = sql_random_function();
5794
5795                 // We search for feed needing update.
5796                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5797                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5798                                 ttrss_feeds.update_interval
5799                         FROM
5800                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5801                         WHERE
5802                                 ttrss_feeds.owner_uid = ttrss_users.id
5803                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5804                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5805                                 $login_thresh_qpart $update_limit_qpart
5806                          $updstart_thresh_qpart
5807                         ORDER BY $random_qpart $query_limit");
5808
5809                 $user_prefs_cache = array();
5810
5811                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5812
5813                 // Here is a little cache magic in order to minimize risk of double feed updates.
5814                 $feeds_to_update = array();
5815                 while ($line = db_fetch_assoc($result)) {
5816                         $feeds_to_update[$line['id']] = $line;
5817                 }
5818
5819                 // We update the feed last update started date before anything else.
5820                 // There is no lag due to feed contents downloads
5821                 // It prevent an other process to update the same feed.
5822                 $feed_ids = array_keys($feeds_to_update);
5823                 if($feed_ids) {
5824                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5825                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5826                 }
5827
5828                 // For each feed, we call the feed update function.
5829                 while ($line = array_pop($feeds_to_update)) {
5830
5831                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5832
5833                         // We setup a alarm to alert if the feed take more than 300s to update.
5834                         // => HANG alarm.
5835                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(300);
5836                         update_rss_feed($link, $line["feed_url"], $line["id"], true);
5837                         // Cancel the alarm (the update went well)
5838                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(0);
5839
5840                         sleep(1); // prevent flood (FIXME make this an option?)
5841                 }
5842
5843                 // Send feed digests by email if needed.
5844                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5845
5846                 purge_orphans($link);
5847
5848         } // function update_daemon_common
5849
5850         function sanitize_article_content($text) {
5851                 # we don't support CDATA sections in articles, they break our own escaping
5852                 $text = preg_replace("/\[\[CDATA/", "", $text);
5853                 $text = preg_replace("/\]\]\>/", "", $text);
5854                 return $text;
5855         }
5856
5857         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5858                 $filters = array();
5859
5860                 global $memcache;
5861
5862                 $obj_id = md5("FILTER:$feed:$owner_uid:$action_id");
5863
5864                 if ($memcache && $obj = $memcache->get($obj_id)) {
5865
5866                         return $obj;
5867
5868                 } else {
5869
5870                         if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5871
5872                         $result = db_query($link, "SELECT reg_exp,
5873                                 ttrss_filter_types.name AS name,
5874                                 ttrss_filter_actions.name AS action,
5875                                 inverse,
5876                                 action_param,
5877                                 filter_param
5878                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5879                                         enabled = true AND
5880                                         $ftype_query_part
5881                                         owner_uid = $owner_uid AND
5882                                         ttrss_filter_types.id = filter_type AND
5883                                         ttrss_filter_actions.id = action_id AND
5884                                         (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5885
5886                         while ($line = db_fetch_assoc($result)) {
5887                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5888                                         $filter["reg_exp"] = $line["reg_exp"];
5889                                         $filter["action"] = $line["action"];
5890                                         $filter["action_param"] = $line["action_param"];
5891                                         $filter["filter_param"] = $line["filter_param"];
5892                                         $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5893
5894                                         array_push($filters[$line["name"]], $filter);
5895                                 }
5896
5897                         if ($memcache) $memcache->add($obj_id, $filters, 0, 3600*8);
5898
5899                         return $filters;
5900                 }
5901         }
5902
5903         function get_score_pic($score) {
5904                 if ($score > 100) {
5905                         return "score_high.png";
5906                 } else if ($score > 0) {
5907                         return "score_half_high.png";
5908                 } else if ($score < -100) {
5909                         return "score_low.png";
5910                 } else if ($score < 0) {
5911                         return "score_half_low.png";
5912                 } else {
5913                         return "score_neutral.png";
5914                 }
5915         }
5916
5917         function rounded_table_start($classname, $header = "&nbsp;") {
5918                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5919                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5920                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5921         }
5922
5923         function rounded_table_end($footer = "&nbsp;") {
5924                 print "</td><td class='right'>&nbsp;</td></tr>";
5925                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5926                 print "</table>";
5927         }
5928
5929         function feed_has_icon($id) {
5930                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5931         }
5932
5933         function init_connection($link) {
5934                 if (DB_TYPE == "pgsql") {
5935                         pg_query($link, "set client_encoding = 'UTF-8'");
5936                         pg_set_client_encoding("UNICODE");
5937                         pg_query($link, "set datestyle = 'ISO, european'");
5938                 } else {
5939                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5940                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5941         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5942                         }
5943                 }
5944         }
5945
5946         function update_feedbrowser_cache($link) {
5947
5948                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
5949                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5950                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5951                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
5952                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
5953
5954                 db_query($link, "BEGIN");
5955
5956                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5957
5958                 $count = 0;
5959
5960                 while ($line = db_fetch_assoc($result)) {
5961                         $subscribers = db_escape_string($line["subscribers"]);
5962                         $feed_url = db_escape_string($line["feed_url"]);
5963                         $title = db_escape_string($line["title"]);
5964
5965                         $tmp_result = db_query($link, "SELECT subscribers FROM
5966                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
5967
5968                         if (db_num_rows($tmp_result) == 0) {
5969
5970                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5971                                         (feed_url, title, subscribers) VALUES ('$feed_url',
5972                                                 '$title', '$subscribers')");
5973
5974                                 ++$count;
5975
5976                         }
5977
5978                 }
5979
5980                 db_query($link, "COMMIT");
5981
5982                 return $count;
5983
5984         }
5985
5986         function ccache_zero($link, $feed_id, $owner_uid) {
5987                 db_query($link, "UPDATE ttrss_counters_cache SET
5988                         value = 0, updated = NOW() WHERE
5989                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5990         }
5991
5992         function ccache_zero_all($link, $owner_uid) {
5993                 db_query($link, "UPDATE ttrss_counters_cache SET
5994                         value = 0 WHERE owner_uid = '$owner_uid'");
5995
5996                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
5997                         value = 0 WHERE owner_uid = '$owner_uid'");
5998         }
5999
6000         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
6001
6002                 if (!$is_cat) {
6003                         $table = "ttrss_counters_cache";
6004                 } else {
6005                         $table = "ttrss_cat_counters_cache";
6006                 }
6007
6008                 db_query($link, "DELETE FROM $table WHERE
6009                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6010
6011         }
6012
6013         function ccache_update_all($link, $owner_uid) {
6014
6015                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
6016
6017                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
6018                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
6019
6020                         while ($line = db_fetch_assoc($result)) {
6021                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
6022                         }
6023
6024                         /* We have to manually include category 0 */
6025
6026                         ccache_update($link, 0, $owner_uid, true);
6027
6028                 } else {
6029                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
6030                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
6031
6032                         while ($line = db_fetch_assoc($result)) {
6033                                 print ccache_update($link, $line["feed_id"], $owner_uid);
6034
6035                         }
6036
6037                 }
6038         }
6039
6040         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
6041                 $no_update = false) {
6042
6043                 if (!is_numeric($feed_id)) return;
6044
6045                 if (!$is_cat) {
6046                         $table = "ttrss_counters_cache";
6047                         if ($feed_id > 0) {
6048                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
6049                                         WHERE id = '$feed_id'");
6050                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
6051                         }
6052                 } else {
6053                         $table = "ttrss_cat_counters_cache";
6054                 }
6055
6056                 if (DB_TYPE == "pgsql") {
6057                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
6058                 } else if (DB_TYPE == "mysql") {
6059                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
6060                 }
6061
6062                 $result = db_query($link, "SELECT value FROM $table
6063                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
6064                         LIMIT 1");
6065
6066                 if (db_num_rows($result) == 1) {
6067                         return db_fetch_result($result, 0, "value");
6068                 } else {
6069                         if ($no_update) {
6070                                 return -1;
6071                         } else {
6072                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
6073                         }
6074                 }
6075
6076         }
6077
6078         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
6079                 $update_pcat = true) {
6080
6081                 if (!is_numeric($feed_id)) return;
6082
6083                 if (!$is_cat && $feed_id > 0) {
6084                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
6085                                 WHERE id = '$feed_id'");
6086                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
6087                 }
6088
6089                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
6090
6091                 /* When updating a label, all we need to do is recalculate feed counters
6092                  * because labels are not cached */
6093
6094                 if ($feed_id < 0) {
6095                         ccache_update_all($link, $owner_uid);
6096                         return;
6097                 }
6098
6099                 if (!$is_cat) {
6100                         $table = "ttrss_counters_cache";
6101                 } else {
6102                         $table = "ttrss_cat_counters_cache";
6103                 }
6104
6105                 if ($is_cat && $feed_id >= 0) {
6106                         if ($feed_id != 0) {
6107                                 $cat_qpart = "cat_id = '$feed_id'";
6108                         } else {
6109                                 $cat_qpart = "cat_id IS NULL";
6110                         }
6111
6112                         /* Recalculate counters for child feeds */
6113
6114                         $result = db_query($link, "SELECT id FROM ttrss_feeds
6115                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
6116
6117                         while ($line = db_fetch_assoc($result)) {
6118                                 ccache_update($link, $line["id"], $owner_uid, false, false);
6119                         }
6120
6121                         $result = db_query($link, "SELECT SUM(value) AS sv
6122                                 FROM ttrss_counters_cache, ttrss_feeds
6123                                 WHERE id = feed_id AND $cat_qpart AND
6124                                 ttrss_feeds.owner_uid = '$owner_uid'");
6125
6126                         $unread = (int) db_fetch_result($result, 0, "sv");
6127
6128                 } else {
6129                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
6130                 }
6131
6132                 db_query($link, "BEGIN");
6133
6134                 $result = db_query($link, "SELECT feed_id FROM $table
6135                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
6136
6137                 if (db_num_rows($result) == 1) {
6138                         db_query($link, "UPDATE $table SET
6139                                 value = '$unread', updated = NOW() WHERE
6140                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6141
6142                 } else {
6143                         db_query($link, "INSERT INTO $table
6144                                 (feed_id, value, owner_uid, updated)
6145                                 VALUES
6146                                 ($feed_id, $unread, $owner_uid, NOW())");
6147                 }
6148
6149                 db_query($link, "COMMIT");
6150
6151                 if ($feed_id > 0 && $prev_unread != $unread) {
6152
6153                         if (!$is_cat) {
6154
6155                                 /* Update parent category */
6156
6157                                 if ($update_pcat) {
6158
6159                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
6160                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
6161
6162                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
6163
6164                                         ccache_update($link, $cat_id, $owner_uid, true);
6165
6166                                 }
6167                         }
6168                 } else if ($feed_id < 0) {
6169                         ccache_update_all($link, $owner_uid);
6170                 }
6171
6172                 return $unread;
6173         }
6174
6175         function label_find_id($link, $label, $owner_uid) {
6176                 $result = db_query($link,
6177                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
6178                                 AND owner_uid = '$owner_uid' LIMIT 1");
6179
6180                 if (db_num_rows($result) == 1) {
6181                         return db_fetch_result($result, 0, "id");
6182                 } else {
6183                         return 0;
6184                 }
6185         }
6186
6187         function get_article_labels($link, $id) {
6188                 global $memcache;
6189
6190                 $result = db_query($link,
6191                         "SELECT DISTINCT label_id,caption,fg_color,bg_color
6192                                 FROM ttrss_labels2, ttrss_user_labels2
6193                         WHERE id = label_id
6194                                 AND article_id = '$id'
6195                                 AND owner_uid = ".$_SESSION["uid"] . "
6196                         ORDER BY caption");
6197
6198                 $obj_id = md5("LABELS:$id:" . $_SESSION["uid"]);
6199
6200                 $rv = array();
6201
6202                 if ($memcache && $obj = $memcache->get($obj_id)) {
6203                         return $obj;
6204                 } else {
6205                         while ($line = db_fetch_assoc($result)) {
6206                                 $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
6207                                         $line["bg_color"]);
6208                                 array_push($rv, $rk);
6209                         }
6210                         if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6211                 }
6212
6213                 return $rv;
6214         }
6215
6216
6217         function label_find_caption($link, $label, $owner_uid) {
6218                 $result = db_query($link,
6219                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
6220                                 AND owner_uid = '$owner_uid' LIMIT 1");
6221
6222                 if (db_num_rows($result) == 1) {
6223                         return db_fetch_result($result, 0, "caption");
6224                 } else {
6225                         return "";
6226                 }
6227         }
6228
6229         function label_remove_article($link, $id, $label, $owner_uid) {
6230
6231                 $label_id = label_find_id($link, $label, $owner_uid);
6232
6233                 if (!$label_id) return;
6234
6235                 $result = db_query($link,
6236                         "DELETE FROM ttrss_user_labels2
6237                         WHERE
6238                                 label_id = '$label_id' AND
6239                                 article_id = '$id'");
6240         }
6241
6242         function label_add_article($link, $id, $label, $owner_uid) {
6243
6244                 global $memcache;
6245
6246                 if ($memcache) {
6247                         $obj_id = md5("LABELS:$id:$owner_uid");
6248                         $memcache->delete($obj_id);
6249                 }
6250
6251                 $label_id = label_find_id($link, $label, $owner_uid);
6252
6253                 if (!$label_id) return;
6254
6255                 $result = db_query($link,
6256                         "SELECT
6257                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6258                         WHERE
6259                                 label_id = id AND
6260                                 label_id = '$label_id' AND
6261                                 article_id = '$id' AND owner_uid = '$owner_uid'
6262                         LIMIT 1");
6263
6264                 if (db_num_rows($result) == 0) {
6265                         db_query($link, "INSERT INTO ttrss_user_labels2
6266                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6267                 }
6268         }
6269
6270         function label_remove($link, $id, $owner_uid) {
6271                 global $memcache;
6272
6273                 if ($memcache) {
6274                         $obj_id = md5("LABELS:$id:$owner_uid");
6275                         $memcache->delete($obj_id);
6276                 }
6277
6278                 db_query($link, "BEGIN");
6279
6280                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6281                         WHERE id = '$id'");
6282
6283                 $caption = db_fetch_result($result, 0, "caption");
6284
6285                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6286                         AND owner_uid = " . $_SESSION["uid"]);
6287
6288                 if (db_affected_rows($link, $result) != 0 && $caption) {
6289
6290                         /* Disable filters that reference label being removed */
6291
6292                         db_query($link, "UPDATE ttrss_filters SET
6293                                 enabled = false WHERE action_param = '$caption'
6294                                         AND action_id = 7
6295                                         AND owner_uid = " . $_SESSION["uid"]);
6296                         }
6297
6298                 db_query($link, "COMMIT");
6299         }
6300
6301         function label_create($link, $caption) {
6302
6303                 db_query($link, "BEGIN");
6304
6305                 $result = false;
6306
6307                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6308                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6309
6310                 if (db_num_rows($result) == 0) {
6311                         $result = db_query($link,
6312                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
6313                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6314
6315                         $result = db_affected_rows($link, $result) != 0;
6316                 }
6317
6318                 db_query($link, "COMMIT");
6319
6320                 return $result;
6321         }
6322
6323         function print_labels_headlines_dropdown($link, $feed_id) {
6324                 print "<li onclick=\"javascript:addLabel()\">
6325                         &nbsp;&nbsp;".__("Create label...")."</li>";
6326
6327                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6328                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6329
6330                 while ($line = db_fetch_assoc($result)) {
6331
6332                         $label_id = $line["id"];
6333                         $label_caption = $line["caption"];
6334
6335                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6336                                 print "<li id=\"LHDL-$id\"
6337                                         onclick=\"javascript:selectionRemoveLabel($label_id)\">
6338                                         &nbsp;&nbsp;$label_caption ".__('(remove)')."</li>";
6339                         } else {
6340                                 print "<li id=\"LHDL-$id\"
6341                                         onclick=\"javascript:selectionAssignLabel($label_id)\">
6342                                         &nbsp;&nbsp;$label_caption</li>";
6343                         }
6344                 }
6345         }
6346
6347         function format_tags_string($tags, $id) {
6348
6349                 $tags_str = "";
6350                 $tags_nolinks_str = "";
6351
6352                 $num_tags = 0;
6353
6354 /*              if (get_user_theme($link) == "3pane") {
6355                         $tag_limit = 3;
6356                 } else {
6357                         $tag_limit = 6;
6358                 } */
6359
6360                 $tag_limit = 6;
6361
6362                 $formatted_tags = array();
6363
6364                 foreach ($tags as $tag) {
6365                         $num_tags++;
6366                         $tag_escaped = str_replace("'", "\\'", $tag);
6367
6368                         if (mb_strlen($tag) > 30) {
6369                                 $tag = truncate_string($tag, 30);
6370                         }
6371
6372                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6373
6374                         array_push($formatted_tags, $tag_str);
6375
6376                         $tmp_tags_str = implode(", ", $formatted_tags);
6377
6378                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6379                                 break;
6380                         }
6381                 }
6382
6383                 $tags_str = implode(", ", $formatted_tags);
6384
6385                 if ($num_tags < count($tags)) {
6386                         $tags_str .= ", &hellip;";
6387                 }
6388
6389                 if ($num_tags == 0) {
6390                         $tags_str = __("no tags");
6391                 }
6392
6393                 return $tags_str;
6394
6395         }
6396
6397         function format_article_labels($labels, $id) {
6398
6399                 $labels_str = "";
6400
6401                 foreach ($labels as $l) {
6402                         $labels_str .= sprintf("<span class='hlLabelRef'
6403                                 style='color : %s; background-color : %s'>%s</span>",
6404                                         $l[2], $l[3], $l[1]);
6405                         }
6406
6407                 return $labels_str;
6408
6409         }
6410
6411         function format_article_note($id, $note) {
6412
6413                 $note_escaped = htmlspecialchars($note, ENT_QUOTES);
6414
6415                 $str = "<div class='articleNote'>";
6416                 $str .= $note;
6417                 $str .= "<div class='articleNoteOps'>";
6418                 $str .= "<a href=\"javascript:publishWithNote($id, '$note_escaped')\">".
6419                         __('edit note')."</a>";
6420                 $str .= "</div>";
6421                 $str .= "</div>";
6422
6423                 return $str;
6424         }
6425
6426         function toggle_collapse_cat($link, $cat_id) {
6427                 if ($cat_id > 0) {
6428                         db_query($link, "UPDATE ttrss_feed_categories SET
6429                                 collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " .
6430                                 $_SESSION["uid"]);
6431                 } else {
6432                         $pref_name = '';
6433
6434                         switch ($cat_id) {
6435                         case -1:
6436                                 $pref_name = '_COLLAPSED_SPECIAL';
6437                                 break;
6438                         case -2:
6439                                 $pref_name = '_COLLAPSED_LABELS';
6440                                 break;
6441                         case 0:
6442                                 $pref_name = '_COLLAPSED_UNCAT';
6443                                 break;
6444                         }
6445
6446                         if ($pref_name) {
6447                                 if (get_pref($link, $pref_name)) {
6448                                         set_pref($link, $pref_name, 'false');
6449                                 } else {
6450                                         set_pref($link, $pref_name, 'true');
6451                                 }
6452                         }
6453                 }
6454         }
6455
6456         function remove_feed($link, $id, $owner_uid) {
6457
6458                 if ($id > 0) {
6459
6460                         /* save starred articles in Archived feed */
6461
6462                         db_query($link, "BEGIN");
6463
6464                         /* prepare feed if necessary */
6465
6466                         $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6467                                 WHERE id = '$id'");
6468
6469                         if (db_num_rows($result) == 0) {
6470                                 db_query($link, "INSERT INTO ttrss_archived_feeds
6471                                         (id, owner_uid, title, feed_url, site_url)
6472                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6473                                 WHERE id = '$id'");
6474                         }
6475
6476                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
6477                                 orig_feed_id = '$id' WHERE feed_id = '$id' AND
6478                                         marked = true AND owner_uid = $owner_uid");
6479
6480                         /* remove the feed */
6481
6482                         db_query($link, "DELETE FROM ttrss_feeds
6483                                         WHERE id = '$id' AND owner_uid = $owner_uid");
6484
6485                         db_query($link, "COMMIT");
6486
6487 /*                      if (file_exists(ICONS_DIR . "/$id.ico")) {
6488                                 unlink(ICONS_DIR . "/$id.ico");
6489                         } */
6490
6491                         ccache_remove($link, $id, $owner_uid);
6492
6493                 } else {
6494                         label_remove($link, -11-$id, $owner_uid);
6495                         ccache_remove($link, -11-$id, $owner_uid);
6496                 }
6497         }
6498
6499         function remove_feed_category($link, $id, $owner_uid) {
6500
6501                 db_query($link, "DELETE FROM ttrss_feed_categories
6502                         WHERE id = '$id' AND owner_uid = $owner_uid");
6503
6504                 ccache_remove($link, $id, $owner_uid, true);
6505         }
6506
6507         function archive_article($link, $id, $owner_uid) {
6508                 db_query($link, "BEGIN");
6509
6510                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6511                         WHERE ref_id = '$id' AND owner_uid = $owner_uid");
6512
6513                 if (db_num_rows($result) != 0) {
6514
6515                         /* prepare the archived table */
6516
6517                         $feed_id = (int) db_fetch_result($result, 0, "feed_id");
6518
6519                         if ($feed_id) {
6520                                 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6521                                         WHERE id = '$feed_id'");
6522
6523                                 if (db_num_rows($result) == 0) {
6524                                         db_query($link, "INSERT INTO ttrss_archived_feeds
6525                                                 (id, owner_uid, title, feed_url, site_url)
6526                                         SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6527                                         WHERE id = '$feed_id'");
6528                                 }
6529
6530                                 db_query($link, "UPDATE ttrss_user_entries
6531                                         SET orig_feed_id = feed_id, feed_id = NULL
6532                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6533                         }
6534                 }
6535
6536                 db_query($link, "COMMIT");
6537         }
6538
6539         function getArticleFeed($link, $id) {
6540                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6541                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6542
6543                 if (db_num_rows($result) != 0) {
6544                         return db_fetch_result($result, 0, "feed_id");
6545                 } else {
6546                         return 0;
6547                 }
6548         }
6549
6550         function make_url_from_parts($parts) {
6551                 $url = $parts['scheme'] . '://' . $parts['host'];
6552
6553                 if ($parts['path']) $url .= $parts['path'];
6554                 if ($parts['query']) $url .= '?' . $parts['query'];
6555
6556                 return $url;
6557         }
6558
6559         function validate_feed_url($url) {
6560                 $parts = parse_url($url);
6561
6562                 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
6563
6564         }
6565
6566         function get_article_enclosures($link, $id) {
6567
6568                 global $memcache;
6569
6570                 $query = "SELECT * FROM ttrss_enclosures
6571                         WHERE post_id = '$id' AND content_url != ''";
6572
6573                 $obj_id = md5("ENCLOSURES:$id");
6574
6575                 $rv = array();
6576
6577                 if ($memcache && $obj = $memcache->get($obj_id)) {
6578                         $rv = $obj;
6579                 } else {
6580                         $result = db_query($link, $query);
6581
6582                         if (db_num_rows($result) > 0) {
6583                                 while ($line = db_fetch_assoc($result)) {
6584                                         array_push($rv, $line);
6585                                 }
6586                                 if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6587                         }
6588                 }
6589
6590                 return $rv;
6591         }
6592
6593 ?>