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