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) {
1683
1684                 $uid = db_escape_string($uid);
1685
1686                 db_query($link, "BEGIN");
1687
1688                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1689
1690                 $u_result = db_query($link, "SELECT pref_name
1691                         FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
1692
1693                 $active_prefs = array();
1694
1695                 while ($line = db_fetch_assoc($u_result)) {
1696                         array_push($active_prefs, $line["pref_name"]);
1697                 }
1698
1699                 while ($line = db_fetch_assoc($result)) {
1700                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1701 //                              print "adding " . $line["pref_name"] . "<br>";
1702
1703                                 db_query($link, "INSERT INTO ttrss_user_prefs
1704                                         (owner_uid,pref_name,value) VALUES
1705                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1706
1707                         }
1708                 }
1709
1710                 db_query($link, "COMMIT");
1711
1712         }
1713
1714         function lookup_user_id($link, $user) {
1715
1716                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1717                         login = '$login'");
1718
1719                 if (db_num_rows($result) == 1) {
1720                         return db_fetch_result($result, 0, "id");
1721                 } else {
1722                         return false;
1723                 }
1724         }
1725
1726         function http_authenticate_user($link) {
1727
1728 //              error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1729
1730                 if (!$_SERVER["PHP_AUTH_USER"]) {
1731
1732                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1733                         header('HTTP/1.0 401 Unauthorized');
1734                         exit;
1735
1736                 } else {
1737                         $auth_result = authenticate_user($link,
1738                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1739
1740                         if (!$auth_result) {
1741                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1742                                 header('HTTP/1.0 401 Unauthorized');
1743                                 exit;
1744                         }
1745                 }
1746
1747                 return true;
1748         }
1749
1750         function authenticate_user($link, $login, $password, $force_auth = false) {
1751
1752                 if (!SINGLE_USER_MODE) {
1753
1754                         $pwd_hash1 = encrypt_password($password);
1755                         $pwd_hash2 = encrypt_password($password, $login);
1756                         $login = db_escape_string($login);
1757
1758                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1759                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1760
1761                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1762
1763                                 $query = "SELECT id,login,access_level,pwd_hash
1764                     FROM ttrss_users WHERE
1765                                         login = '$login'";
1766
1767                         } else {
1768                                 $query = "SELECT id,login,access_level,pwd_hash
1769                     FROM ttrss_users WHERE
1770                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1771                                                 pwd_hash = '$pwd_hash2')";
1772                         }
1773
1774                         $result = db_query($link, $query);
1775
1776                         if (db_num_rows($result) == 1) {
1777                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1778                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1779                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1780
1781                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1782                                         $_SESSION["uid"]);
1783
1784                                 $user_theme = get_user_theme_path($link);
1785
1786                                 $_SESSION["theme"] = $user_theme;
1787                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1788                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1789
1790                                 initialize_user_prefs($link, $_SESSION["uid"]);
1791
1792                                 return true;
1793                         }
1794
1795                         return false;
1796
1797                 } else {
1798
1799                         $_SESSION["uid"] = 1;
1800                         $_SESSION["name"] = "admin";
1801
1802                         $user_theme = get_user_theme_path($link);
1803
1804                         $_SESSION["theme"] = $user_theme;
1805                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1806
1807                         initialize_user_prefs($link, $_SESSION["uid"]);
1808
1809                         return true;
1810                 }
1811         }
1812
1813         function make_password($length = 8) {
1814
1815                 $password = "";
1816                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1817
1818         $i = 0;
1819
1820                 while ($i < $length) {
1821                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1822
1823                         if (!strstr($password, $char)) {
1824                                 $password .= $char;
1825                                 $i++;
1826                         }
1827                 }
1828                 return $password;
1829         }
1830
1831         // this is called after user is created to initialize default feeds, labels
1832         // or whatever else
1833
1834         // user preferences are checked on every login, not here
1835
1836         function initialize_user($link, $uid) {
1837
1838 /*              db_query($link, "INSERT INTO ttrss_labels2 (owner_uid, caption)
1839                         VALUES ('$uid', 'All Articles')");
1840
1841                 db_query($link, "INSERT INTO ttrss_filters
1842                         (owner_uid, feed_id, filter_type, reg_exp, enabled,
1843                                 action_id, action_param, filter_param)
1844                         VALUES ('$uid', NULL, 1, '.', true, 7, 'All Articles', 'before')"); */
1845
1846                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1847                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1848                         'http://tt-rss.org/releases.rss')");
1849
1850                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1851                         values ('$uid', 'Tiny Tiny RSS: Forum',
1852                         'http://tt-rss.org/forum/rss.php')");
1853         }
1854
1855         function logout_user() {
1856                 session_destroy();
1857                 if (isset($_COOKIE[session_name()])) {
1858                    setcookie(session_name(), '', time()-42000, '/');
1859                 }
1860         }
1861
1862         function get_script_urlpath() {
1863                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1864         }
1865
1866         function validate_session($link) {
1867                 if (SINGLE_USER_MODE) {
1868                         return true;
1869                 }
1870
1871                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1872                         if ($_SESSION["ip_address"]) {
1873                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1874                                         $_SESSION["login_error_msg"] = __("Session failed to validate (incorrect IP)");
1875                                         return false;
1876                                 }
1877                         }
1878                 }
1879
1880                 if ($_SESSION["uid"]) {
1881
1882                         $result = db_query($link,
1883                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1884
1885                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1886
1887                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1888                                 return false;
1889                         }
1890                 }
1891
1892 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1893
1894                         //print_r($_SESSION);
1895
1896                         if (time() > $_SESSION["cookie_lifetime"]) {
1897                                 return false;
1898                         }
1899                 } */
1900
1901                 return true;
1902         }
1903
1904         function login_sequence($link, $mobile = false) {
1905                 if (!SINGLE_USER_MODE) {
1906
1907                         if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1908                                 $swu = db_escape_string($_REQUEST["swu"]);
1909                                 if ($swu) {
1910                                         $_SESSION["prefs_cache"] = false;
1911                                         return authenticate_user($link, $swu, null, true);
1912                                 }
1913                         }
1914
1915                         $login_action = $_POST["login_action"];
1916
1917                         # try to authenticate user if called from login form
1918                         if ($login_action == "do_login") {
1919                                 $login = $_POST["login"];
1920                                 $password = $_POST["password"];
1921                                 $remember_me = $_POST["remember_me"];
1922
1923                                 if (authenticate_user($link, $login, $password)) {
1924                                         $_POST["password"] = "";
1925
1926                                         $_SESSION["language"] = $_POST["language"];
1927                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
1928
1929                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1930                                         exit;
1931
1932                                         return;
1933                                 } else {
1934                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
1935                                 }
1936                         }
1937
1938                         if (!$_SESSION["uid"] || !validate_session($link)) {
1939                                 render_login_form($link, $mobile);
1940                                 //header("Location: login.php");
1941                                 exit;
1942                         } else {
1943                                 /* bump login timestamp */
1944                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1945                                         $_SESSION["uid"]);
1946
1947                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1948                                         setcookie("ttrss_lang", $_SESSION["language"],
1949                                                 time() + SESSION_COOKIE_LIFETIME);
1950                                 }
1951
1952                                 /* bump counters stamp since we're getting reloaded anyway */
1953
1954                                 $_SESSION["get_all_counters_stamp"] = time();
1955                         }
1956
1957                 } else {
1958                         return authenticate_user($link, "admin", null);
1959                 }
1960         }
1961
1962         function truncate_string($str, $max_len) {
1963                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1964                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
1965                 } else {
1966                         return $str;
1967                 }
1968         }
1969
1970         function get_user_theme_path($link) {
1971                 $result = db_query($link, "SELECT theme_path
1972                         FROM
1973                                 ttrss_themes,ttrss_users
1974                         WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1975                 if (db_num_rows($result) != 0) {
1976                         return db_fetch_result($result, 0, "theme_path");
1977                 } else {
1978                         return null;
1979                 }
1980         }
1981
1982         function smart_date_time($timestamp) {
1983                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1984                         return date("G:i", $timestamp);
1985                 } else if (date("Y", $timestamp) == date("Y")) {
1986                         return date("M d, G:i", $timestamp);
1987                 } else {
1988                         return date("Y/m/d, G:i", $timestamp);
1989                 }
1990         }
1991
1992         function smart_date($timestamp) {
1993                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1994                         return "Today";
1995                 } else if (date("Y", $timestamp) == date("Y")) {
1996                         return date("D m", $timestamp);
1997                 } else {
1998                         return date("Y/m/d", $timestamp);
1999                 }
2000         }
2001
2002         function sql_bool_to_string($s) {
2003                 if ($s == "t" || $s == "1") {
2004                         return "true";
2005                 } else {
2006                         return "false";
2007                 }
2008         }
2009
2010         function sql_bool_to_bool($s) {
2011                 if ($s == "t" || $s == "1") {
2012                         return true;
2013                 } else {
2014                         return false;
2015                 }
2016         }
2017
2018         function bool_to_sql_bool($s) {
2019                 if ($s) {
2020                         return "true";
2021                 } else {
2022                         return "false";
2023                 }
2024         }
2025
2026         function toggleEvenOdd($a) {
2027                 if ($a == "even")
2028                         return "odd";
2029                 else
2030                         return "even";
2031         }
2032
2033         function sanity_check($link) {
2034
2035                 error_reporting(0);
2036
2037                 $error_code = 0;
2038                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2039                 $schema_version = db_fetch_result($result, 0, "schema_version");
2040
2041                 if ($schema_version != SCHEMA_VERSION) {
2042                         $error_code = 5;
2043                 }
2044
2045                 if (DB_TYPE == "mysql") {
2046                         $result = db_query($link, "SELECT true", false);
2047                         if (db_num_rows($result) != 1) {
2048                                 $error_code = 10;
2049                         }
2050                 }
2051
2052                 if (db_escape_string("testTEST") != "testTEST") {
2053                         $error_code = 12;
2054                 }
2055
2056                 error_reporting (DEFAULT_ERROR_LEVEL);
2057
2058                 if ($error_code != 0) {
2059                         print_error_xml($error_code);
2060                         return false;
2061                 } else {
2062                         return true;
2063                 }
2064         }
2065
2066         function file_is_locked($filename) {
2067                 if (function_exists('flock')) {
2068                         error_reporting(0);
2069                         $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2070                         error_reporting(DEFAULT_ERROR_LEVEL);
2071                         if ($fp) {
2072                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2073                                         flock($fp, LOCK_UN);
2074                                         fclose($fp);
2075                                         return false;
2076                                 }
2077                                 fclose($fp);
2078                                 return true;
2079                         } else {
2080                                 return false;
2081                         }
2082                 }
2083                 return true; // consider the file always locked and skip the test
2084         }
2085
2086         function make_lockfile($filename) {
2087                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2088
2089                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2090                         return $fp;
2091                 } else {
2092                         return false;
2093                 }
2094         }
2095
2096         function make_stampfile($filename) {
2097                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2098
2099                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2100                         fwrite($fp, time() . "\n");
2101                         flock($fp, LOCK_UN);
2102                         fclose($fp);
2103                         return true;
2104                 } else {
2105                         return false;
2106                 }
2107         }
2108
2109         function read_stampfile($filename) {
2110
2111                 error_reporting(0);
2112                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2113                 error_reporting (DEFAULT_ERROR_LEVEL);
2114
2115                 if ($fp) {
2116                         if (flock($fp, LOCK_EX)) {
2117                                 $stamp = fgets($fp);
2118                                 flock($fp, LOCK_UN);
2119                                 fclose($fp);
2120                                 return $stamp;
2121                         } else {
2122                                 return false;
2123                         }
2124                 } else {
2125                         return false;
2126                 }
2127         }
2128
2129         function sql_random_function() {
2130                 if (DB_TYPE == "mysql") {
2131                         return "RAND()";
2132                 } else {
2133                         return "RANDOM()";
2134                 }
2135         }
2136
2137         function catchup_feed($link, $feed, $cat_view, $owner_uid) {
2138
2139                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2140
2141                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2142
2143                                 if ($cat_view) {
2144
2145                                         if ($feed >= 0) {
2146
2147                                                 if ($feed > 0) {
2148                                                         $cat_qpart = "cat_id = '$feed'";
2149                                                 } else {
2150                                                         $cat_qpart = "cat_id IS NULL";
2151                                                 }
2152
2153                                                 $tmp_result = db_query($link, "SELECT id
2154                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2155
2156                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2157
2158                                                         $tmp_feed = $tmp_line["id"];
2159
2160                                                         db_query($link, "UPDATE ttrss_user_entries
2161                                                                 SET unread = false,last_read = NOW()
2162                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2163                                                 }
2164                                         } else if ($feed == -2) {
2165
2166
2167                                                 db_query($link, "UPDATE ttrss_user_entries
2168                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
2169                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
2170                                                         AND unread = true AND owner_uid = $owner_uid");
2171                                         }
2172
2173                                 } else if ($feed > 0) {
2174
2175                                         $tmp_result = db_query($link, "SELECT id
2176                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2177                                                 ORDER BY cat_id,title");
2178
2179                                         $parent_ids = array();
2180
2181                                         if (db_num_rows($tmp_result) > 0) {
2182                                                 while ($p = db_fetch_assoc($tmp_result)) {
2183                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2184                                                 }
2185
2186                                                 $children_qpart = implode(" OR ", $parent_ids);
2187
2188                                                 db_query($link, "UPDATE ttrss_user_entries
2189                                                         SET unread = false,last_read = NOW()
2190                                                         WHERE (feed_id = '$feed' OR $children_qpart)
2191                                                         AND owner_uid = $owner_uid");
2192
2193                                         } else {
2194                                                 db_query($link, "UPDATE ttrss_user_entries
2195                                                         SET unread = false,last_read = NOW()
2196                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2197                                         }
2198
2199                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2200
2201                                         if ($feed == -1) {
2202                                                 db_query($link, "UPDATE ttrss_user_entries
2203                                                         SET unread = false,last_read = NOW()
2204                                                         WHERE marked = true AND owner_uid = $owner_uid");
2205                                         }
2206
2207                                         if ($feed == -2) {
2208                                                 db_query($link, "UPDATE ttrss_user_entries
2209                                                         SET unread = false,last_read = NOW()
2210                                                         WHERE published = true AND owner_uid = $owner_uid");
2211                                         }
2212
2213                                         if ($feed == -3) {
2214
2215                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2216
2217                                                 if (DB_TYPE == "pgsql") {
2218                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2219                                                 } else {
2220                                                         $match_part = "updated > DATE_SUB(NOW(),
2221                                                                 INTERVAL $intl HOUR) ";
2222                                                 }
2223
2224                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2225                                                         ttrss_user_entries WHERE $match_part AND
2226                                                         unread = true AND
2227                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2228                                                         owner_uid = $owner_uid");
2229
2230                                                 $affected_ids = array();
2231
2232                                                 while ($line = db_fetch_assoc($result)) {
2233                                                         array_push($affected_ids, $line["id"]);
2234                                                 }
2235
2236                                                 catchupArticlesById($link, $affected_ids, 0);
2237                                         }
2238
2239                                         if ($feed == -4) {
2240                                                 db_query($link, "UPDATE ttrss_user_entries
2241                                                         SET unread = false,last_read = NOW()
2242                                                         WHERE owner_uid = $owner_uid");
2243                                         }
2244
2245                                 } else if ($feed < -10) { // label
2246
2247                                         $label_id = -$feed - 11;
2248
2249                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2250                                                 SET unread = false, last_read = NOW()
2251                                                         WHERE label_id = '$label_id' AND unread = true
2252                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2253
2254                                 }
2255
2256                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2257
2258                         } else { // tag
2259                                 db_query($link, "BEGIN");
2260
2261                                 $tag_name = db_escape_string($feed);
2262
2263                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2264                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2265
2266                                 while ($line = db_fetch_assoc($result)) {
2267                                         db_query($link, "UPDATE ttrss_user_entries SET
2268                                                 unread = false, last_read = NOW()
2269                                                 WHERE int_id = " . $line["post_int_id"]);
2270                                 }
2271                                 db_query($link, "COMMIT");
2272                         }
2273         }
2274
2275         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2276                         if ($cat_view) {
2277
2278                                 if ($feed > 0) {
2279                                         $cat_qpart = "cat_id = '$feed'";
2280                                 } else {
2281                                         $cat_qpart = "cat_id IS NULL";
2282                                 }
2283
2284                                 $tmp_result = db_query($link, "SELECT id,feed_url FROM ttrss_feeds
2285                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2286
2287                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2288                                         $feed_url = $tmp_line["feed_url"];
2289                                         $feed_id = $tmp_line["id"];
2290                                         update_rss_feed($link, $feed_url, $feed_id, $force_update);
2291                                 }
2292
2293                         } else {
2294                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
2295                                         WHERE id = '$feed'");
2296                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
2297                                 update_rss_feed($link, $feed_url, $feed, $force_update);
2298                         }
2299         }
2300
2301         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2302
2303                 if (!$omode) $omode = "flc";
2304
2305                 getGlobalCounters($link);
2306                 getVirtCounters($link);
2307
2308                 if (strchr($omode, "l")) getLabelCounters($link);
2309                 if (strchr($omode, "f")) getFeedCounters($link, SMART_RPC_COUNTERS, $active_feed);
2310                 if (strchr($omode, "t")) getTagCounters($link);
2311                 if (strchr($omode, "c")) {
2312                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2313                                 getCategoryCounters($link);
2314                         }
2315                 }
2316         }
2317
2318         function getCategoryCounters($link) {
2319                 # two special categories are -1 and -2 (all virtuals; all labels)
2320
2321 /*              $ctr = getCategoryUnread($link, -1);
2322
2323                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>"; */
2324
2325                 $ctr = getCategoryUnread($link, -2);
2326
2327                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
2328
2329                 $age_qpart = getMaxAgeSubquery();
2330
2331                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2332                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2333                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2334                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2335
2336                 while ($line = db_fetch_assoc($result)) {
2337                         $line["cat_id"] = (int) $line["cat_id"];
2338
2339                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
2340                                 $line["unread"]."\"/>";
2341                 }
2342
2343                 /* Special case: NULL category doesn't actually exist in the DB */
2344
2345                 print "<counter type=\"category\" id=\"0\" counter=\"".
2346                         ccache_find($link, 0, $_SESSION["uid"], true)."\"/>";
2347
2348         }
2349
2350         function getCategoryUnread($link, $cat, $owner_uid = false) {
2351
2352                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2353
2354                 if ($cat >= 0) {
2355
2356                         if ($cat != 0) {
2357                                 $cat_query = "cat_id = '$cat'";
2358                         } else {
2359                                 $cat_query = "cat_id IS NULL";
2360                         }
2361
2362                         $age_qpart = getMaxAgeSubquery();
2363
2364                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2365                                         AND owner_uid = " . $owner_uid);
2366
2367                         $cat_feeds = array();
2368                         while ($line = db_fetch_assoc($result)) {
2369                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2370                         }
2371
2372                         if (count($cat_feeds) == 0) return 0;
2373
2374                         $match_part = implode(" OR ", $cat_feeds);
2375
2376                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2377                                 FROM ttrss_user_entries,ttrss_entries
2378                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2379                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2380
2381                         $unread = 0;
2382
2383                         # this needs to be rewritten
2384                         while ($line = db_fetch_assoc($result)) {
2385                                 $unread += $line["unread"];
2386                         }
2387
2388                         return $unread;
2389                 } else if ($cat == -1) {
2390                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
2391                 } else if ($cat == -2) {
2392
2393                         $result = db_query($link, "
2394                                 SELECT COUNT(unread) AS unread FROM
2395                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2396                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2397                                         ttrss_labels2.owner_uid = '$owner_uid'
2398                                         AND unread = true AND feed_id = ttrss_feeds.id
2399                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2400
2401                         $unread = db_fetch_result($result, 0, "unread");
2402
2403                         return $unread;
2404
2405                 }
2406         }
2407
2408         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2409                 if (DB_TYPE == "pgsql") {
2410                         return "ttrss_entries.date_entered >
2411                                 NOW() - INTERVAL '$days days'";
2412                 } else {
2413                         return "ttrss_entries.date_entered >
2414                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2415                 }
2416         }
2417
2418         function getFeedUnread($link, $feed, $is_cat = false) {
2419                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2420         }
2421
2422         function getLabelUnread($link, $label_id, $owner_uid = false) {
2423                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2424
2425                 $result = db_query($link, "
2426                         SELECT COUNT(unread) AS unread FROM
2427                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2428                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2429                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2430                                 AND unread = true AND feed_id = ttrss_feeds.id
2431                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2432
2433                 if (db_num_rows($result) != 0) {
2434                         return db_fetch_result($result, 0, "unread");
2435                 } else {
2436                         return 0;
2437                 }
2438         }
2439
2440         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2441                 $owner_uid = false) {
2442
2443                 $n_feed = (int) $feed;
2444
2445                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2446
2447                 if ($unread_only) {
2448                         $unread_qpart = "unread = true";
2449                 } else {
2450                         $unread_qpart = "true";
2451                 }
2452
2453                 $age_qpart = getMaxAgeSubquery();
2454
2455                 if ($is_cat) {
2456                         return getCategoryUnread($link, $n_feed, $owner_uid);
2457                 } if ($feed != "0" && $n_feed == 0) {
2458
2459                         $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
2460                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2461                                         AND ref_id = id AND $age_qpart
2462                                         AND $unread_qpart)) AS count FROM ttrss_tags
2463                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
2464                         return db_fetch_result($result, 0, "count");
2465
2466                 } else if ($n_feed == -1) {
2467                         $match_part = "marked = true";
2468                 } else if ($n_feed == -2) {
2469                         $match_part = "published = true";
2470                 } else if ($n_feed == -3) {
2471                         $match_part = "unread = true";
2472
2473                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2474
2475                         if (DB_TYPE == "pgsql") {
2476                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2477                         } else {
2478                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2479                         }
2480                 } else if ($n_feed == -4) {
2481                         $match_part = "true";
2482                 } else if ($n_feed >= 0) {
2483
2484                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2485                                         WHERE parent_feed = '$n_feed'
2486                                         AND owner_uid = " . $owner_uid);
2487
2488                         if (db_num_rows($result) > 0) {
2489
2490                                 $linked_feeds = array();
2491                                 while ($line = db_fetch_assoc($result)) {
2492                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2493                                 }
2494
2495                                 array_push($linked_feeds, "feed_id = $n_feed");
2496
2497                                 $match_part = implode(" OR ", $linked_feeds);
2498
2499                                 $tmp_result = db_query($link, "SELECT COUNT(int_id) AS unread
2500                                         FROM ttrss_user_entries,ttrss_entries
2501                                         WHERE   $unread_qpart AND
2502                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2503                                         $age_qpart AND
2504                                         ($match_part) AND
2505                                         owner_uid = " . $owner_uid);
2506
2507                                 $unread = 0;
2508
2509                                 # this needs to be rewritten
2510                                 while ($line = db_fetch_assoc($tmp_result)) {
2511                                         $unread += $line["unread"];
2512                                 }
2513
2514                                 return $unread;
2515
2516                         } else {
2517                                 if ($n_feed != 0) {
2518                                         $match_part = "feed_id = '$n_feed'";
2519                                 } else {
2520                                         $match_part = "feed_id IS NULL";
2521                                 }
2522                         }
2523                 } else if ($feed < -10) {
2524
2525                         $label_id = -$feed - 11;
2526
2527                         return getLabelUnread($link, $label_id, $owner_uid);
2528
2529                 }
2530
2531                 if ($match_part) {
2532
2533                         if ($n_feed != 0) {
2534                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
2535                                 $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2536                         } else {
2537                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
2538                         }
2539
2540                         $query = "SELECT count(int_id) AS unread
2541                                 FROM $from_qpart WHERE
2542                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2543                                 $age_qpart AND
2544                                 $feeds_qpart
2545                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
2546
2547                         $result = db_query($link, $query);
2548
2549                 } else {
2550
2551                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2552                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2553                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2554                                 AND $unread_qpart AND $age_qpart AND
2555                                         ttrss_tags.owner_uid = " . $owner_uid);
2556                 }
2557
2558                 $unread = db_fetch_result($result, 0, "unread");
2559
2560                 return $unread;
2561         }
2562
2563         function getGlobalUnread($link, $user_id = false) {
2564
2565                 if (!$user_id) {
2566                         $user_id = $_SESSION["uid"];
2567                 }
2568
2569                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2570                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2571
2572                 $c_id = db_fetch_result($result, 0, "c_id");
2573
2574                 return $c_id;
2575         }
2576
2577         function getGlobalCounters($link, $global_unread = -1) {
2578                 if ($global_unread == -1) {
2579                         $global_unread = getGlobalUnread($link);
2580                 }
2581                 print "<counter type=\"global\" id='global-unread'
2582                         counter='$global_unread'/>";
2583
2584                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2585                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2586
2587                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2588
2589                 print "<counter type=\"global\" id='subscribed-feeds'
2590                         counter='$subscribed_feeds'/>";
2591
2592         }
2593
2594         function getSubscribedFeeds($link) {
2595                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2596                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2597
2598                 return db_fetch_result($result, 0, "fn");
2599         }
2600
2601         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
2602
2603                 if ($smart_mode) {
2604                         if (!$_SESSION["tctr_last_value"]) {
2605                                 $_SESSION["tctr_last_value"] = array();
2606                         }
2607                 }
2608
2609                 $old_counters = $_SESSION["tctr_last_value"];
2610
2611                 $tctrs_modified = false;
2612
2613                 $age_qpart = getMaxAgeSubquery();
2614
2615                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2616                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2617                                 AND ref_id = id AND $age_qpart
2618                                 AND unread = true)) AS count FROM ttrss_tags
2619                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2620                                 ORDER BY count DESC LIMIT 55");
2621
2622                 $tags = array();
2623
2624                 while ($line = db_fetch_assoc($result)) {
2625                         $tags[$line["tag_name"]] += $line["count"];
2626                 }
2627
2628                 foreach (array_keys($tags) as $tag) {
2629                         $unread = $tags[$tag];
2630
2631                         $tag = htmlspecialchars($tag);
2632
2633                         if (!$smart_mode || $old_counters[$tag] != $unread) {
2634                                 $old_counters[$tag] = $unread;
2635                                 $tctrs_modified = true;
2636                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2637                         }
2638
2639                 }
2640
2641                 if ($smart_mode && $tctrs_modified) {
2642                         $_SESSION["tctr_last_value"] = $old_counters;
2643                 }
2644
2645         }
2646
2647         function getVirtCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2648
2649                 $ret_arr = array();
2650
2651                 for ($i = 0; $i >= -4; $i--) {
2652
2653                         $count = getFeedUnread($link, $i);
2654
2655                         if (!$ret_mode) {
2656
2657                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2658                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $i) . " total)\"";
2659                                 } else {
2660                                         $xmsg_part = "";
2661                                 }
2662
2663                                 print "<counter type=\"label\" id=\"$i\" counter=\"$count\" $xmsg_part/>";
2664                         } else {
2665                                 $ret_arr[$i]["counter"] = $count;
2666                                 $ret_arr[$i]["description"] = getFeedTitle($link, $i);
2667                         }
2668                 }
2669
2670                 return $ret_arr;
2671         }
2672
2673         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2674
2675                 $age_qpart = getMaxAgeSubquery();
2676
2677                 if ($smart_mode) {
2678                         if (!$_SESSION["lctr_last_value"]) {
2679                                 $_SESSION["lctr_last_value"] = array();
2680                         }
2681                 }
2682
2683                 $old_counters = $_SESSION["lctr_last_value"];
2684                 $lctrs_modified = false;
2685
2686
2687                         $owner_uid = $_SESSION["uid"];
2688
2689                         $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2690                                 WHERE owner_uid = '$owner_uid'");
2691
2692                         while ($line = db_fetch_assoc($result)) {
2693
2694                                 $id = -$line["id"] - 11;
2695
2696                                 $label_name = $line["caption"];
2697                                 $count = getFeedUnread($link, $id);
2698
2699                                 if (!$smart_mode || $old_counters[$id] != $count) {
2700                                         $old_counters[$id] = $count;
2701                                         $lctrs_modified = true;
2702                                         if (!$ret_mode) {
2703
2704                                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2705                                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2706                                                 } else {
2707                                                         $xmsg_part = "";
2708                                                 }
2709
2710                                                 print "<counter type=\"label\" id=\"$id\" counter=\"$count\" $xmsg_part/>";
2711                                         } else {
2712                                                 $ret_arr[$id]["counter"] = $count;
2713                                                 $ret_arr[$id]["description"] = $label_name;
2714                                         }
2715                                 }
2716
2717                                 error_reporting (DEFAULT_ERROR_LEVEL);
2718                         }
2719
2720                 if ($smart_mode && $lctrs_modified) {
2721                         $_SESSION["lctr_last_value"] = $old_counters;
2722                 }
2723
2724                 return $ret_arr;
2725         }
2726
2727         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS, $active_feed = false) {
2728
2729                 $age_qpart = getMaxAgeSubquery();
2730
2731                 if ($smart_mode) {
2732                         if (!$_SESSION["fctr_last_value"]) {
2733                                 $_SESSION["fctr_last_value"] = array();
2734                         }
2735                 }
2736
2737                 $old_counters = $_SESSION["fctr_last_value"];
2738
2739                 $query = "SELECT ttrss_feeds.id,
2740                                 ttrss_feeds.title,
2741                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2742                                 last_error, value AS count
2743                         FROM ttrss_feeds, ttrss_counters_cache
2744                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2745                                 AND parent_feed IS NULL
2746                                 AND ttrss_counters_cache.feed_id = id";
2747
2748                 $result = db_query($link, $query);
2749                 $fctrs_modified = false;
2750
2751                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2752
2753                 while ($line = db_fetch_assoc($result)) {
2754
2755                         $id = $line["id"];
2756                         $count = $line["count"];
2757                         $last_error = htmlspecialchars($line["last_error"]);
2758
2759                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2760                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2761                         } else {
2762                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2763                         }
2764
2765                         $last_updated = htmlspecialchars($last_updated);
2766
2767                         $has_img = feed_has_icon($id);
2768
2769                         $tmp_result = db_query($link,
2770                                 "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
2771                                         WHERE parent_feed = '$id' AND feed_id = id");
2772
2773                         $count += db_fetch_result($tmp_result, 0, "unread");
2774
2775                         if (!$smart_mode || $old_counters[$id] != $count) {
2776                                 $old_counters[$id] = $count;
2777                                 $fctrs_modified = true;
2778
2779                                 if ($last_error) {
2780                                         $error_part = "error=\"$last_error\"";
2781                                 } else {
2782                                         $error_part = "";
2783                                 }
2784
2785                                 if ($has_img) {
2786                                         $has_img_part = "hi=\"$has_img\"";
2787                                 } else {
2788                                         $has_img_part = "";
2789                                 }
2790
2791                                 if ($active_feed && $id == $active_feed) {
2792                                         $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2793                                 } else {
2794                                         $has_title_part = "";
2795                                 }
2796
2797                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2798                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2799                                 }
2800
2801                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $xmsg_part $has_title_part/>";
2802                         }
2803                 }
2804
2805                 if ($smart_mode && $fctrs_modified) {
2806                         $_SESSION["fctr_last_value"] = $old_counters;
2807                 }
2808         }
2809
2810         function get_script_dt_add() {
2811 /*              if (strpos(VERSION, ".99") === false) {
2812                         return VERSION;
2813                 } else {
2814                         return time();
2815                 } */
2816                 return time();
2817         }
2818
2819         function get_pgsql_version($link) {
2820                 $result = db_query($link, "SELECT version() AS version");
2821                 $version = split(" ", db_fetch_result($result, 0, "version"));
2822                 return $version[1];
2823         }
2824
2825         function print_error_xml($code, $add_msg = "") {
2826                 global $ERRORS;
2827
2828                 $error_msg = $ERRORS[$code];
2829
2830                 if ($add_msg) {
2831                         $error_msg = "$error_msg; $add_msg";
2832                 }
2833
2834                 print "<rpc-reply>";
2835                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2836                 print "</rpc-reply>";
2837         }
2838
2839         function subscribe_to_feed($link, $url, $cat_id = 0,
2840                         $auth_login = '', $auth_pass = '') {
2841
2842                 $parts = parse_url($url);
2843
2844                 if (!validate_feed_url($url)) return 2;
2845
2846                 if ($parts['scheme'] == 'feed') $parts['scheme'] = 'http';
2847
2848                 $url = make_url_from_parts($parts);
2849
2850                 if ($cat_id == "0" || !$cat_id) {
2851                         $cat_qpart = "NULL";
2852                 } else {
2853                         $cat_qpart = "'$cat_id'";
2854                 }
2855
2856                 $result = db_query($link,
2857                         "SELECT id FROM ttrss_feeds
2858                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
2859
2860                 if (db_num_rows($result) == 0) {
2861
2862                         $result = db_query($link,
2863                                 "INSERT INTO ttrss_feeds
2864                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2865                                 VALUES ('".$_SESSION["uid"]."', '$url',
2866                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2867
2868                         $result = db_query($link,
2869                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
2870                                         AND owner_uid = " . $_SESSION["uid"]);
2871
2872                         $feed_id = db_fetch_result($result, 0, "id");
2873
2874                         if ($feed_id) {
2875                                 update_rss_feed($link, $url, $feed_id, true);
2876                         }
2877
2878                         return 1;
2879                 } else {
2880                         return 0;
2881                 }
2882         }
2883
2884         function print_feed_select($link, $id, $default_id = "",
2885                 $attributes = "", $include_all_feeds = true) {
2886
2887                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2888                 if ($include_all_feeds) {
2889                         print "<option value=\"0\">".__('All feeds')."</option>";
2890                 }
2891
2892                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2893                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2894
2895                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2896                         print "<option disabled>--------</option>";
2897                 }
2898
2899                 while ($line = db_fetch_assoc($result)) {
2900                         if ($line["id"] == $default_id) {
2901                                 $is_selected = "selected";
2902                         } else {
2903                                 $is_selected = "";
2904                         }
2905
2906                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
2907
2908                         printf("<option $is_selected value='%d'>%s</option>",
2909                                 $line["id"], $title);
2910                 }
2911
2912                 print "</select>";
2913         }
2914
2915         function print_feed_cat_select($link, $id, $default_id = "",
2916                 $attributes = "", $include_all_cats = true) {
2917
2918                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2919
2920                 if ($include_all_cats) {
2921                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2922                 }
2923
2924                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2925                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2926
2927                 if (db_num_rows($result) > 0 && $include_all_cats) {
2928                         print "<option disabled>--------</option>";
2929                 }
2930
2931                 while ($line = db_fetch_assoc($result)) {
2932                         if ($line["id"] == $default_id) {
2933                                 $is_selected = "selected";
2934                         } else {
2935                                 $is_selected = "";
2936                         }
2937                         printf("<option $is_selected value='%d'>%s</option>",
2938                                 $line["id"], htmlspecialchars($line["title"]));
2939                 }
2940
2941                 print "</select>";
2942         }
2943
2944         function checkbox_to_sql_bool($val) {
2945                 return ($val == "on") ? "true" : "false";
2946         }
2947
2948         function getFeedCatTitle($link, $id) {
2949                 if ($id == -1) {
2950                         return __("Special");
2951                 } else if ($id < -10) {
2952                         return __("Labels");
2953                 } else if ($id > 0) {
2954                         $result = db_query($link, "SELECT ttrss_feed_categories.title
2955                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2956                                         cat_id = ttrss_feed_categories.id");
2957                         if (db_num_rows($result) == 1) {
2958                                 return db_fetch_result($result, 0, "title");
2959                         } else {
2960                                 return __("Uncategorized");
2961                         }
2962                 } else {
2963                         return "getFeedCatTitle($id) failed";
2964                 }
2965
2966         }
2967
2968         function getFeedIcon($id) {
2969                 switch ($id) {
2970                 case 0:
2971                         return "images/archive.png";
2972                         break;
2973                 case -1:
2974                         return "images/mark_set.png";
2975                         break;
2976                 case -2:
2977                         return "images/pub_set.gif";
2978                         break;
2979                 case -3:
2980                         return "images/fresh.png";
2981                         break;
2982                 case -4:
2983                         return "images/tag.png";
2984                         break;
2985                 default:
2986                         if ($id < -10) {
2987                                 return "images/label.png";
2988                         } else {
2989                                 return ICONS_URL . "/$id.ico";
2990                         }
2991                         break;
2992                 }
2993         }
2994
2995         function getFeedTitle($link, $id) {
2996                 if ($id == -1) {
2997                         return __("Starred articles");
2998                 } else if ($id == -2) {
2999                         return __("Published articles");
3000                 } else if ($id == -3) {
3001                         return __("Fresh articles");
3002                 } else if ($id == -4) {
3003                         return __("All articles");
3004                 } else if ($id === 0 || $id === "0") {
3005                         return __("Archived articles");
3006                 } else if ($id < -10) {
3007                         $label_id = -$id - 11;
3008                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
3009                         if (db_num_rows($result) == 1) {
3010                                 return db_fetch_result($result, 0, "caption");
3011                         } else {
3012                                 return "Unknown label ($label_id)";
3013                         }
3014
3015                 } else if ($id > 0) {
3016                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3017                         if (db_num_rows($result) == 1) {
3018                                 return db_fetch_result($result, 0, "title");
3019                         } else {
3020                                 return "Unknown feed ($id)";
3021                         }
3022                 } else {
3023                         return $id;
3024                 }
3025         }
3026
3027         function get_session_cookie_name() {
3028                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3029         }
3030
3031         function print_init_params($link) {
3032                 print "<init-params>";
3033                 if ($_SESSION["stored-params"]) {
3034                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
3035                                 if ($key) {
3036                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
3037                                         print "<param key=\"$key\" value=\"$value\"/>";
3038                                 }
3039                         }
3040                 }
3041
3042                 print "<param key=\"theme\" value=\"".$_SESSION["theme"]."\"/>";
3043                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
3044                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
3045                 print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
3046
3047                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
3048                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
3049
3050                 print "<param key=\"hide_read_feeds\" value=\"" .
3051                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
3052
3053                 print "<param key=\"enable_feed_cats\" value=\"" .
3054                         (int) get_pref($link, "ENABLE_FEED_CATS") . "\"/>";
3055
3056                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
3057                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
3058
3059                 print "<param key=\"confirm_feed_catchup\" value=\"" .
3060                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
3061
3062                 print "<param key=\"cdm_auto_catchup\" value=\"" .
3063                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
3064
3065                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
3066
3067                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
3068
3069                 print "<param key=\"default_view_mode\" value=\"" .
3070                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
3071
3072                 print "<param key=\"default_view_limit\" value=\"" .
3073                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
3074
3075                 print "<param key=\"default_view_order_by\" value=\"" .
3076                         get_pref($link, "_DEFAULT_VIEW_ORDER_BY") . "\"/>";
3077
3078                 print "<param key=\"prefs_active_tab\" value=\"" .
3079                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
3080
3081                 print "<param key=\"infobox_disable_overlay\" value=\"" .
3082                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
3083
3084                 print "<param key=\"icons_location\" value=\"" .
3085                         ICONS_URL . "\"/>";
3086
3087                 print "<param key=\"hide_read_shows_special\" value=\"" .
3088                         (int) get_pref($link, "HIDE_READ_SHOWS_SPECIAL") . "\"/>";
3089
3090                 print "<param key=\"hide_feedlist\" value=\"" .
3091                         (int) get_pref($link, "HIDE_FEEDLIST") . "\"/>";
3092
3093                 print "<param key=\"bw_limit\" value=\"".
3094                         (int) $_SESSION["bw_limit"]."\"/>";
3095
3096 //              print "<param key=\"sync_counters\" value=\"" .
3097 //                      (int) get_pref($link, "SYNC_COUNTERS") . "\"/>";
3098
3099                 print "<param key=\"sync_counters\" value=\"1\"/>";
3100
3101                 print "<param key=\"offline_enabled\" value=\"".
3102                         (int) get_pref($link, "ENABLE_OFFLINE_READING") . "\"/>";
3103
3104                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3105                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3106
3107                 $num_feeds = db_fetch_result($result, 0, "cf");
3108
3109                 print "<param key=\"num_feeds\" value=\"".
3110                         (int)$num_feeds. "\"/>";
3111
3112                 print "<param key=\"collapsed_feedlist\" value=\"" .
3113                         (int) get_pref($link, "_COLLAPSED_FEEDLIST") . "\"/>";
3114
3115                 print "</init-params>";
3116         }
3117
3118         function print_runtime_info($link) {
3119                 print "<runtime-info>";
3120
3121                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3122                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3123
3124                 $num_feeds = db_fetch_result($result, 0, "cf");
3125
3126                 print "<param key=\"num_feeds\" value=\"".
3127                         (int)$num_feeds. "\"/>";
3128
3129                 if (ENABLE_UPDATE_DAEMON) {
3130                         print "<param key=\"daemon_is_running\" value=\"".
3131                                 (int) file_is_locked("update_daemon.lock") . "\"/>";
3132
3133                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3134
3135                                 $stamp = (int)read_stampfile("update_daemon.stamp");
3136
3137 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
3138
3139                                 if ($stamp) {
3140                                         $stamp_delta = time() - $stamp;
3141
3142                                         if ($stamp_delta > 1800) {
3143                                                 $stamp_check = 0;
3144                                         } else {
3145                                                 $stamp_check = 1;
3146                                                 $_SESSION["daemon_stamp_check"] = time();
3147                                         }
3148
3149                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
3150
3151                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3152
3153                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
3154                                 }
3155                         }
3156                 }
3157
3158                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3159
3160                         if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3161                                 $new_version_details = check_for_update($link);
3162
3163                                 print "<param key=\"new_version_available\" value=\"".
3164                                         sprintf("%d", $new_version_details != ""). "\"/>";
3165
3166                                 $_SESSION["last_version_check"] = time();
3167                         }
3168                 }
3169
3170 //              print "<param key=\"new_version_available\" value=\"1\"/>";
3171
3172                 print "</runtime-info>";
3173         }
3174
3175         function getSearchSql($search, $match_on) {
3176
3177                 $search_query_part = "";
3178
3179                 $keywords = split(" ", $search);
3180                 $query_keywords = array();
3181
3182                 if ($match_on == "both") {
3183
3184                         foreach ($keywords as $k) {
3185                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
3186                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3187                         }
3188
3189                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3190
3191                 } else if ($match_on == "title") {
3192
3193                         foreach ($keywords as $k) {
3194                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
3195                         }
3196
3197                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3198
3199                 } else if ($match_on == "content") {
3200
3201                         foreach ($keywords as $k) {
3202                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3203                         }
3204                 }
3205
3206                 $search_query_part = implode("AND", $query_keywords);
3207
3208                 return $search_query_part;
3209         }
3210
3211         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3212
3213                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3214
3215                         if ($search) {
3216
3217                                 $search_query_part = getSearchSql($search, $match_on);
3218                                 $search_query_part .= " AND ";
3219
3220                         } else {
3221                                 $search_query_part = "";
3222                         }
3223
3224                         $view_query_part = "";
3225
3226                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3227                                 if ($search) {
3228                                         $view_query_part = " ";
3229                                 } else if ($feed != -1) {
3230                                         $unread = getFeedUnread($link, $feed, $cat_view);
3231                                         if ($unread > 0) {
3232                                                 $view_query_part = " unread = true AND ";
3233                                         }
3234                                 }
3235                         }
3236
3237                         if ($view_mode == "marked") {
3238                                 $view_query_part = " marked = true AND ";
3239                         }
3240
3241                         if ($view_mode == "unread") {
3242                                 $view_query_part = " unread = true AND ";
3243                         }
3244
3245                         if ($view_mode == "updated") {
3246                                 $view_query_part = " (last_read is null and unread = false) AND ";
3247                         }
3248
3249                         if ($limit > 0) {
3250                                 $limit_query_part = "LIMIT " . $limit;
3251                         }
3252
3253                         $vfeed_query_part = "";
3254
3255                         // override query strategy and enable feed display when searching globally
3256                         if ($search && $search_mode == "all_feeds") {
3257                                 $query_strategy_part = "ttrss_entries.id > 0";
3258                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3259                         /* tags */
3260                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3261                                 $query_strategy_part = "ttrss_entries.id > 0";
3262                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3263                                         id = feed_id) as feed_title,";
3264                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
3265
3266                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3267
3268                                 $tmp_result = false;
3269
3270                                 if ($cat_view) {
3271                                         $tmp_result = db_query($link, "SELECT id
3272                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3273                                 } else {
3274                                         $tmp_result = db_query($link, "SELECT id
3275                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3276                                                         WHERE id = '$feed') AND id != '$feed'");
3277                                 }
3278
3279                                 $cat_siblings = array();
3280
3281                                 if (db_num_rows($tmp_result) > 0) {
3282                                         while ($p = db_fetch_assoc($tmp_result)) {
3283                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3284                                         }
3285
3286                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3287                                                 $feed, implode(" OR ", $cat_siblings));
3288
3289                                 } else {
3290                                         $query_strategy_part = "ttrss_entries.id > 0";
3291                                 }
3292
3293                         } else if ($feed > 0) {
3294
3295                                 if ($cat_view) {
3296
3297                                         if ($feed > 0) {
3298                                                 $query_strategy_part = "cat_id = '$feed'";
3299                                         } else {
3300                                                 $query_strategy_part = "cat_id IS NULL";
3301                                         }
3302
3303                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3304
3305                                 } else {
3306                                         $tmp_result = db_query($link, "SELECT id
3307                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3308                                                 ORDER BY cat_id,title");
3309
3310                                         $parent_ids = array();
3311
3312                                         if (db_num_rows($tmp_result) > 0) {
3313                                                 while ($p = db_fetch_assoc($tmp_result)) {
3314                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3315                                                 }
3316
3317                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3318                                                         $feed, implode(" OR ", $parent_ids));
3319
3320                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3321                                         } else {
3322                                                 $query_strategy_part = "feed_id = '$feed'";
3323                                         }
3324                                 }
3325                         } else if ($feed == 0) { // starred virtual feed
3326                                 $query_strategy_part = "feed_id IS NULL";
3327                         } else if ($feed == -1) { // starred virtual feed
3328                                 $query_strategy_part = "marked = true";
3329                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3330                         } else if ($feed == -2) { // published virtual feed OR labels category
3331
3332                                 if (!$cat_view) {
3333                                         $query_strategy_part = "published = true";
3334                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3335                                 } else {
3336                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3337
3338                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3339
3340                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3341                                                 ttrss_user_labels2.article_id = ref_id";
3342
3343                                 }
3344
3345                         } else if ($feed == -3) { // fresh virtual feed
3346                                 $query_strategy_part = "unread = true";
3347
3348                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3349
3350                                 if (DB_TYPE == "pgsql") {
3351                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3352                                 } else {
3353                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3354                                 }
3355
3356                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3357                         } else if ($feed == -4) { // all articles virtual feed
3358                                 $query_strategy_part = "true";
3359                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3360                         } else if ($feed <= -10) { // labels
3361                                 $label_id = -$feed - 11;
3362
3363                                 $query_strategy_part = "label_id = '$label_id' AND
3364                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3365                                         ttrss_user_labels2.article_id = ref_id";
3366
3367                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3368                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3369
3370                         } else {
3371                                 $query_strategy_part = "id > 0"; // dumb
3372                         }
3373
3374                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3375                                 $order_by = "updated";
3376                         } else {
3377                                 $order_by = "updated DESC";
3378                         }
3379
3380                         if ($view_mode != "noscores") {
3381                                 $order_by = "score DESC, $order_by";
3382                         }
3383
3384                         if ($override_order) {
3385                                 $order_by = $override_order;
3386                         }
3387
3388                         $feed_title = "";
3389
3390                         if ($search) {
3391                                 $feed_title = "Search results";
3392                         } else {
3393                                 if ($cat_view) {
3394                                         $feed_title = getCategoryTitle($link, $feed);
3395                                 } else {
3396                                         if ((int)$feed == $feed && $feed > 0) {
3397                                                 $result = db_query($link, "SELECT title,site_url,last_error
3398                                                         FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
3399
3400                                                 $feed_title = db_fetch_result($result, 0, "title");
3401                                                 $feed_site_url = db_fetch_result($result, 0, "site_url");
3402                                                 $last_error = db_fetch_result($result, 0, "last_error");
3403                                         } else {
3404                                                 $feed_title = getFeedTitle($link, $feed);
3405                                         }
3406                                 }
3407                         }
3408
3409                         $content_query_part = "content as content_preview,";
3410
3411                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3412
3413                                 if ($feed >= 0) {
3414                                         $feed_kind = "Feeds";
3415                                 } else {
3416                                         $feed_kind = "Labels";
3417                                 }
3418
3419                                 if ($limit_query_part) {
3420                                         $offset_query_part = "OFFSET $offset";
3421                                 }
3422
3423                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3424                                         if (!$override_order) {
3425                                                 $order_by = "ttrss_feeds.title, $order_by";
3426                                         }
3427                                 }
3428
3429                                 if ($feed != "0") {
3430                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
3431                                         $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
3432
3433                                 } else {
3434                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
3435                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
3436                                 }
3437
3438                                 $query = "SELECT DISTINCT
3439                                                 guid,
3440                                                 ttrss_entries.id,ttrss_entries.title,
3441                                                 updated,
3442                                                 note,
3443                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
3444                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3445                                                 $vfeed_query_part
3446                                                 $content_query_part
3447                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3448                                                 author,score
3449                                         FROM
3450                                                 $from_qpart
3451                                         WHERE
3452                                         $group_limit_part
3453                                         $feed_check_qpart
3454                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3455                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3456                                         $search_query_part
3457                                         $view_query_part
3458                                         $query_strategy_part ORDER BY $order_by
3459                                         $limit_query_part $offset_query_part";
3460
3461                                 if ($_REQUEST["debug"]) print $query;
3462
3463                                 $result = db_query($link, $query);
3464
3465                         } else {
3466                                 // browsing by tag
3467
3468                                 $feed_kind = "Tags";
3469
3470                                 $result = db_query($link, "SELECT
3471                                         guid,
3472                                         note,
3473                                         ttrss_entries.id as id,title,
3474                                         updated,
3475                                         unread,feed_id,orig_feed_id,
3476                                         marked,link,last_read,
3477                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3478                                         $vfeed_query_part
3479                                         $content_query_part
3480                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3481                                         score
3482                                         FROM
3483                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3484                                         WHERE
3485                                                 ref_id = ttrss_entries.id AND
3486                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3487                                                 post_int_id = int_id AND tag_name = '$feed' AND
3488                                                 $view_query_part
3489                                                 $search_query_part
3490                                                 $query_strategy_part ORDER BY $order_by
3491                                         $limit_query_part");
3492                         }
3493
3494                         return array($result, $feed_title, $feed_site_url, $last_error);
3495
3496         }
3497
3498         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3499                 $limit, $search, $search_mode, $match_on) {
3500
3501                 $note_style =   "float : right; background-color : #fff7d5; border-width : 1px; ".
3502                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3503                         "margin-bottom : 1em; color : #9a8c59;";
3504
3505                 if (!$limit) $limit = 30;
3506
3507                 $qfh_ret = queryFeedHeadlines($link, $feed,
3508                         $limit, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3509                         $owner_uid);
3510
3511                 $result = $qfh_ret[0];
3512                 $feed_title = htmlspecialchars($qfh_ret[1]);
3513                 $feed_site_url = $qfh_ret[2];
3514                 $last_error = $qfh_ret[3];
3515
3516 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3517
3518                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3519                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3520                         <rss version=\"2.0\">
3521                         <channel>
3522                         <title>$feed_title</title>
3523                         <link>$feed_site_url</link>
3524                         <description>Feed generated by Tiny Tiny RSS</description>";
3525
3526                 while ($line = db_fetch_assoc($result)) {
3527                         print "<item>";
3528                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3529                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3530
3531                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3532
3533                         foreach ($tags as $tag) {
3534                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3535                         }
3536
3537                         $rfc822_date = date('r', strtotime($line["updated"]));
3538
3539                         print "<pubDate>$rfc822_date</pubDate>";
3540
3541                         print "<title>" .
3542                                 htmlspecialchars($line["title"]) . "</title>";
3543
3544                         print "<description><![CDATA[";
3545
3546                         if ($line["note"]) {
3547                                 print "<div style='$note_style'>";
3548                                 print $line["note"];
3549                                 print "</div>";
3550                         }
3551
3552                         print sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3553                         print "]]></description>";
3554
3555                         print "</item>";
3556                 }
3557
3558                 print "</channel></rss>";
3559
3560         }
3561
3562         function getCategoryTitle($link, $cat_id) {
3563
3564                 if ($cat_id == -1) {
3565                         return __("Special");
3566                 } else if ($cat_id == -2) {
3567                         return __("Labels");
3568                 } else {
3569
3570                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3571                                 id = '$cat_id'");
3572
3573                         if (db_num_rows($result) == 1) {
3574                                 return db_fetch_result($result, 0, "title");
3575                         } else {
3576                                 return "Uncategorized";
3577                         }
3578                 }
3579         }
3580
3581         function strip_tags_long($string, $allowed) {
3582
3583                 $config = HTMLPurifier_Config::createDefault();
3584
3585                 $config->set('HTML', 'Allowed', $allowed);
3586                 $purifier = new HTMLPurifier($config);
3587
3588                 return $purifier->purify($string);
3589
3590         }
3591
3592         // http://ru2.php.net/strip-tags
3593
3594 /*      function strip_tags_long($textstring, $allowed){
3595         while($textstring != strip_tags($textstring, $allowed))
3596     {
3597     while (strlen($textstring) != 0)
3598          {
3599          if (strlen($textstring) > 1024) {
3600               $otherlen = 1024;
3601          } else {
3602               $otherlen = strlen($textstring);
3603          }
3604          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3605          $safetext .= $temptext;
3606          $textstring = substr_replace($textstring,'',0,$otherlen);
3607          }
3608     $textstring = $safetext;
3609     }
3610         return $textstring;
3611 } */
3612
3613
3614         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false) {
3615                 $res = $str;
3616
3617                 if (!$owner) $owner = $_SESSION["uid"];
3618
3619                 if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3620
3621 //                      $res = strip_tags_long($res,
3622 //                              "<p><a><i><em><b><strong><code><pre><blockquote><br><img><ul><ol><li>");
3623
3624                         $res = strip_tags_long($res,
3625                                 "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4");
3626
3627                 }
3628
3629                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3630                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3631                 }
3632
3633                 if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
3634                         $res = preg_replace("/href=/i", "target=\"_blank\" href=", $res);
3635                 }
3636
3637                 return $res;
3638         }
3639
3640         /**
3641          * Send by mail a digest of last articles.
3642          *
3643          * @param mixed $link The database connection.
3644          * @param integer $limit The maximum number of articles by digest.
3645          * @return boolean Return false if digests are not enabled.
3646          */
3647         function send_headlines_digests($link, $limit = 100) {
3648
3649                 if (!DIGEST_ENABLE) return false;
3650
3651                 $user_limit = DIGEST_EMAIL_LIMIT;
3652                 $days = 1;
3653
3654                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3655
3656                 if (DB_TYPE == "pgsql") {
3657                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3658                 } else if (DB_TYPE == "mysql") {
3659                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3660                 }
3661
3662                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3663                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3664
3665                 while ($line = db_fetch_assoc($result)) {
3666
3667                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3668                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3669
3670                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3671
3672                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3673                                 $digest = $tuple[0];
3674                                 $headlines_count = $tuple[1];
3675                                 $affected_ids = $tuple[2];
3676                                 $digest_text = $tuple[3];
3677
3678                                 if ($headlines_count > 0) {
3679
3680                                         $mail = new PHPMailer();
3681
3682                                         $mail->PluginDir = "lib/phpmailer/";
3683                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3684
3685                                         $mail->CharSet = "UTF-8";
3686
3687                                         $mail->From = DIGEST_FROM_ADDRESS;
3688                                         $mail->FromName = DIGEST_FROM_NAME;
3689                                         $mail->AddAddress($line["email"], $line["login"]);
3690
3691                                         if (DIGEST_SMTP_HOST) {
3692                                                 $mail->Host = DIGEST_SMTP_HOST;
3693                                                 $mail->Mailer = "smtp";
3694                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3695                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3696                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3697                                         }
3698
3699                                         $mail->IsHTML(true);
3700                                         $mail->Subject = DIGEST_SUBJECT;
3701                                         $mail->Body = $digest;
3702                                         $mail->AltBody = $digest_text;
3703
3704                                         $rc = $mail->Send();
3705
3706                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3707
3708                                         print "RC=$rc\n";
3709
3710                                         if ($rc && $do_catchup) {
3711                                                 print "Marking affected articles as read...\n";
3712                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3713                                         }
3714
3715                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3716                                                         WHERE id = " . $line["id"]);
3717                                 } else {
3718                                         print "No headlines\n";
3719                                 }
3720                         }
3721                 }
3722
3723                 print "All done.\n";
3724
3725         }
3726
3727         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3728
3729                 require_once "lib/MiniTemplator.class.php";
3730
3731                 $tpl = new MiniTemplator;
3732                 $tpl_t = new MiniTemplator;
3733
3734                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3735                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3736
3737                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3738                 $tpl->setVariable('CUR_TIME', date('G:i'));
3739
3740                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3741                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3742
3743                 $affected_ids = array();
3744
3745                 if (DB_TYPE == "pgsql") {
3746                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3747                 } else if (DB_TYPE == "mysql") {
3748                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3749                 }
3750
3751                 $result = db_query($link, "SELECT ttrss_entries.title,
3752                                 ttrss_feeds.title AS feed_title,
3753                                 date_entered,
3754                                 ttrss_user_entries.ref_id,
3755                                 link,
3756                                 SUBSTRING(content, 1, 120) AS excerpt,
3757                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3758                         FROM
3759                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3760                         WHERE
3761                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3762                                 AND include_in_digest = true
3763                                 AND $interval_query
3764                                 AND ttrss_user_entries.owner_uid = $user_id
3765                                 AND unread = true
3766                         ORDER BY ttrss_feeds.title, date_entered DESC
3767                         LIMIT $limit");
3768
3769                 $cur_feed_title = "";
3770
3771                 $headlines_count = db_num_rows($result);
3772
3773                 $headlines = array();
3774
3775                 while ($line = db_fetch_assoc($result)) {
3776                         array_push($headlines, $line);
3777                 }
3778
3779                 for ($i = 0; $i < sizeof($headlines); $i++) {
3780
3781                         $line = $headlines[$i];
3782
3783                         array_push($affected_ids, $line["ref_id"]);
3784
3785                         $updated = smart_date_time(strtotime($line["last_updated"]));
3786
3787                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3788                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3789                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3790                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3791                         $tpl->setVariable('ARTICLE_EXCERPT',
3792                                 truncate_string(strip_tags($line["excerpt"]), 100));
3793
3794                         $tpl->addBlock('article');
3795
3796                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3797                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3798                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3799                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3800 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3801 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3802
3803                         $tpl_t->addBlock('article');
3804
3805                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3806                                 $tpl->addBlock('feed');
3807                                 $tpl_t->addBlock('feed');
3808                         }
3809
3810                 }
3811
3812                 $tpl->addBlock('digest');
3813                 $tpl->generateOutputToString($tmp);
3814
3815                 $tpl_t->addBlock('digest');
3816                 $tpl_t->generateOutputToString($tmp_t);
3817
3818                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3819         }
3820
3821         function check_for_update($link) {
3822                 $releases_feed = "http://tt-rss.org/releases.rss";
3823
3824                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3825                         return;
3826                 }
3827
3828                 error_reporting(0);
3829                 if (ENABLE_SIMPLEPIE) {
3830                         $rss = new SimplePie();
3831                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3832 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3833                         $rss->set_feed_url($fetch_url);
3834                         $rss->set_output_encoding('UTF-8');
3835                         $rss->init();
3836                 } else {
3837                         $rss = fetch_rss($releases_feed);
3838                 }
3839                 error_reporting (DEFAULT_ERROR_LEVEL);
3840
3841                 if ($rss) {
3842
3843                         if (ENABLE_SIMPLEPIE) {
3844                                 $items = $rss->get_items();
3845                         } else {
3846                                 $items = $rss->items;
3847
3848                                 if (!$items || !is_array($items)) $items = $rss->entries;
3849                                 if (!$items || !is_array($items)) $items = $rss;
3850                         }
3851
3852                         if (!is_array($items) || count($items) == 0) {
3853                                 return;
3854                         }
3855
3856                         $latest_item = $items[0];
3857
3858                         if (ENABLE_SIMPLEPIE) {
3859                                 $last_title = $latest_item->get_title();
3860                         } else {
3861                                 $last_title = $latest_item["title"];
3862                         }
3863
3864                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3865
3866                         if (ENABLE_SIMPLEPIE) {
3867                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3868                                 $content = sanitize_rss($link, $latest_item->get_description());
3869                         } else {
3870                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3871                                 $content = sanitize_rss($link, $latest_item["description"]);
3872                         }
3873
3874                         if (version_compare(VERSION, $latest_version) == -1) {
3875                                 return sprintf("New version of Tiny-Tiny RSS (%s) is available:",
3876                                         $latest_version)."<div class='milestoneDetails'>$content</div>";
3877                         } else {
3878                                 return false;
3879                         }
3880                 }
3881         }
3882
3883         function markArticlesById($link, $ids, $cmode) {
3884
3885                 $tmp_ids = array();
3886
3887                 foreach ($ids as $id) {
3888                         array_push($tmp_ids, "ref_id = '$id'");
3889                 }
3890
3891                 $ids_qpart = join(" OR ", $tmp_ids);
3892
3893                 if ($cmode == 0) {
3894                         db_query($link, "UPDATE ttrss_user_entries SET
3895                         marked = false,last_read = NOW()
3896                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3897                 } else if ($cmode == 1) {
3898                         db_query($link, "UPDATE ttrss_user_entries SET
3899                         marked = true
3900                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3901                 } else {
3902                         db_query($link, "UPDATE ttrss_user_entries SET
3903                         marked = NOT marked,last_read = NOW()
3904                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3905                 }
3906         }
3907
3908         function publishArticlesById($link, $ids, $cmode) {
3909
3910                 $tmp_ids = array();
3911
3912                 foreach ($ids as $id) {
3913                         array_push($tmp_ids, "ref_id = '$id'");
3914                 }
3915
3916                 $ids_qpart = join(" OR ", $tmp_ids);
3917
3918                 if ($cmode == 0) {
3919                         db_query($link, "UPDATE ttrss_user_entries SET
3920                         published = false,last_read = NOW()
3921                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3922                 } else if ($cmode == 1) {
3923                         db_query($link, "UPDATE ttrss_user_entries SET
3924                         published = true
3925                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3926                 } else {
3927                         db_query($link, "UPDATE ttrss_user_entries SET
3928                         published = NOT published,last_read = NOW()
3929                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3930                 }
3931         }
3932
3933         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
3934
3935                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3936
3937                 $tmp_ids = array();
3938
3939                 foreach ($ids as $id) {
3940                         array_push($tmp_ids, "ref_id = '$id'");
3941                 }
3942
3943                 $ids_qpart = join(" OR ", $tmp_ids);
3944
3945                 if ($cmode == 0) {
3946                         db_query($link, "UPDATE ttrss_user_entries SET
3947                         unread = false,last_read = NOW()
3948                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3949                 } else if ($cmode == 1) {
3950                         db_query($link, "UPDATE ttrss_user_entries SET
3951                         unread = true
3952                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3953                 } else {
3954                         db_query($link, "UPDATE ttrss_user_entries SET
3955                         unread = NOT unread,last_read = NOW()
3956                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3957                 }
3958
3959                 /* update ccache */
3960
3961                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
3962                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3963
3964                 while ($line = db_fetch_assoc($result)) {
3965                         ccache_update($link, $line["feed_id"], $owner_uid);
3966                 }
3967         }
3968
3969         function catchupArticleById($link, $id, $cmode) {
3970
3971                 if ($cmode == 0) {
3972                         db_query($link, "UPDATE ttrss_user_entries SET
3973                         unread = false,last_read = NOW()
3974                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3975                 } else if ($cmode == 1) {
3976                         db_query($link, "UPDATE ttrss_user_entries SET
3977                         unread = true
3978                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3979                 } else {
3980                         db_query($link, "UPDATE ttrss_user_entries SET
3981                         unread = NOT unread,last_read = NOW()
3982                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3983                 }
3984
3985                 $feed_id = getArticleFeed($link, $id);
3986                 ccache_update($link, $feed_id, $_SESSION["uid"]);
3987         }
3988
3989         function make_guid_from_title($title) {
3990                 return preg_replace("/[ \"\',.:;]/", "-",
3991                         mb_strtolower(strip_tags($title), 'utf-8'));
3992         }
3993
3994         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
3995                         $feed_id, $is_cat, $search, $match_on,
3996                         $search_mode) {
3997
3998                         print "<div class=\"headlinesSubToolbar\">";
3999
4000                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
4001                         $page_next_link = "javascript:viewFeedGoPage(1)";
4002                         $page_first_link = "javascript:viewFeedGoPage(0)";
4003
4004                         $catchup_page_link = "javascript:catchupPage()";
4005                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
4006                         $catchup_sel_link = "javascript:catchupSelection()";
4007
4008                         $archive_sel_link = "javascript:archiveSelection()";
4009                         $delete_sel_link = "javascript:deleteSelection()";
4010
4011                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4012
4013                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
4014                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
4015                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
4016                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4017
4018                                 $tog_unread_link = "javascript:selectionToggleUnread()";
4019                                 $tog_marked_link = "javascript:selectionToggleMarked()";
4020                                 $tog_published_link = "javascript:selectionTogglePublished()";
4021
4022                         } else {
4023
4024                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
4025                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
4026                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
4027
4028                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4029
4030                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
4031                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
4032                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
4033
4034                         }
4035
4036                         print "<div id=\"subtoolbar_ftitle\">";
4037
4038                         if ($feed_site_url) {
4039                                 if (!$bottom) {
4040                                         $target = "target=\"_blank\"";
4041                                 }
4042                                 print "<a $target href=\"$feed_site_url\">".
4043                                         truncate_string($feed_title,30)."</a>";
4044                         } else {
4045                                 if ($feed_id < -10) {
4046                                         $label_id = -11-$feed_id;
4047
4048                                         $result = db_query($link, "SELECT fg_color, bg_color
4049                                                 FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
4050                                                 $_SESSION["uid"]);
4051
4052                                         if (db_num_rows($result) != 0) {
4053                                                 $fg_color = db_fetch_result($result, 0, "fg_color");
4054                                                 $bg_color = db_fetch_result($result, 0, "bg_color");
4055
4056                                                 print "<span style='background : $bg_color; color : $fg_color'>";
4057                                                 print $feed_title;
4058                                                 print "</span>";
4059                                         } else {
4060                                                 print $feed_title;
4061                                         }
4062
4063                                 } else {
4064                                         print $feed_title;
4065                                 }
4066                         }
4067
4068                         if ($search) {
4069                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4070                         }
4071
4072                         print "
4073                                 <a target=\"_blank\"
4074                                         href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
4075                                         <img class=\"noborder\"
4076                                                 alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
4077                                                 </a>";
4078
4079                         print "</div>";
4080
4081                         print __('Select:')."
4082                                 <a href=\"$sel_all_link\">".__('All')."</a>,
4083                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
4084                                 <a href=\"$sel_inv_link\">".__('Invert')."</a>,
4085                                 <a href=\"$sel_none_link\">".__('None')."</a></li>";
4086
4087                         print "&nbsp;&nbsp;";
4088
4089                         print "<span
4090                                 onmouseover=\"enable_selection(false)\"
4091             onmouseout=\"enable_selection(true)\"
4092                                 onclick=\"toggleHeadlineActions()\" id=\"headlineActionsDrop\">".
4093                                 __("Actions...") . "&nbsp;&nbsp;<img width='11' height'7'
4094                                 src=\"images/down_arrow.png\">
4095                                 </span>";
4096
4097                         print "<ul id=\"headlineActionsBody\" style=\"display : none\">";
4098
4099                         print "<li class=\"insensitive\">".__('Selection toggle:')."</li>
4100                                 <li onclick=\"$tog_unread_link\">&nbsp;&nbsp;".__('Unread')."</li>
4101                                 <li onclick=\"$tog_marked_link\">&nbsp;&nbsp;".__('Starred')."</li>
4102                                 <li onclick=\"$tog_published_link\">&nbsp;&nbsp;".__('Published')."</li>
4103                                 <li class=\"insensitive\">".__('Selection:')."</li>
4104                                 <li onclick=\"$catchup_sel_link\">&nbsp;&nbsp;".__('Mark as read')."</li>";
4105
4106 //                      print "<li onclick=\"$catchup_feed_link\">&nbsp;&nbsp;".__('Entire feed').
4107 //                              "</li>";
4108
4109                         if ($feed_id != "0") {
4110                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Archive')."</li>";
4111                         } else {
4112                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Move back')."</li>";
4113                                 print "<li onclick=\"$delete_sel_link\">&nbsp;&nbsp;".__('Delete')."</li>";
4114
4115                         }
4116
4117                         //print "<li><span class=\"insensitive\">--------</span></li>";
4118                         print "<li class=\"insensitive\">".__('Assign label:')."</li>";
4119
4120                         print_labels_headlines_dropdown($link, $feed_id);
4121
4122                         print "</ul>";
4123
4124                         print "</div>";
4125                 }
4126
4127         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
4128
4129                         $tmp_category = getCategoryTitle($link, $cat_id);
4130
4131                         if ($cat_id > 0) {
4132                                 $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
4133                         } else if ($cat_id == 0 || $cat_id == -2) {
4134                                 $cat_unread = getCategoryUnread($link, $cat_id);
4135                         }
4136
4137                         if ($hidden) {
4138                                 $holder_style = "display:none;";
4139                                 $ellipsis = "…";
4140                         } else {
4141                                 $holder_style = "";
4142                                 $ellipsis = "";
4143                         }
4144
4145                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4146
4147                         if ($can_browse) {
4148                                 $browse_cat_link = "onclick=\"javascript:viewCategory($cat_id)\"";
4149                                 $inner_title_class = "catTitle";
4150                         } else {
4151                                 $browse_cat_link = "";
4152                                 $inner_title_class = "catTitleNL";
4153                         }
4154
4155                         $cat_class = "feedCat";
4156
4157                         print "<li class=\"$cat_class\" id=\"FCAT-$cat_id\">
4158                                 <img onclick=\"toggleCollapseCat($cat_id)\" class=\"catCollapse\"
4159                                         title=\"".__('Click to collapse category')."\"
4160                                         src=\"images/cat-collapse.png\"><span class=\"$inner_title_class\"
4161                                         id=\"FCATN-$cat_id\" $browse_cat_link/>$tmp_category</span>";
4162
4163                         print "<span id=\"FCAP-$cat_id\">";
4164
4165                         print " <span id=\"FCATCTR-$cat_id\"
4166                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4167
4168                         print "</span>";
4169
4170                         //print "</li>";
4171
4172                         print "<ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4173
4174         }
4175
4176         function outputFeedList($link, $tags = false) {
4177
4178                 print "<ul class=\"feedList\" id=\"feedList\">";
4179
4180                 $owner_uid = $_SESSION["uid"];
4181
4182                 /* virtual feeds */
4183
4184                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4185
4186                         $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4187
4188                         printCategoryHeader($link, -1, $cat_hidden, false);
4189                 }
4190
4191                 foreach (array(-4, -3, -1, -2, 0) as $i) {
4192                         printFeedEntry($i, "virt", false, false,
4193                                 false, $link);
4194                 }
4195
4196                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4197                         print "</ul></li>";
4198                 }
4199
4200                 if (!$tags) {
4201
4202
4203                                 $result = db_query($link, "SELECT * FROM
4204                                         ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4205
4206                                 if (db_num_rows($result) > 0) {
4207                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4208
4209                                                 $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
4210
4211                                                 printCategoryHeader($link, -2, $cat_hidden, true);
4212
4213                                         } else {
4214                                                 print "<li><hr></li>";
4215                                         }
4216                                 }
4217
4218                                 while ($line = db_fetch_assoc($result)) {
4219
4220                                         $label_id = -$line['id'] - 11;
4221                                         $count = getFeedUnread($link, $label_id);
4222
4223                                         printFeedEntry($label_id,
4224                                                 "label", $line["caption"],
4225                                                 $count, false, $link,
4226                                                 false, false, false,
4227                                                 $line['fg_color'], $line['bg_color']);
4228
4229                                 }
4230
4231                                 if (db_num_rows($result) > 0) {
4232                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4233                                                 print "</ul>";
4234                                         }
4235                                 }
4236
4237
4238                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4239                                 print "<li><hr></li>";
4240                         }
4241
4242                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4243                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4244                                         $order_by_qpart = "order_id,category,unread DESC,title";
4245                                 } else {
4246                                         $order_by_qpart = "order_id,category,title";
4247                                 }
4248                         } else {
4249                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4250                                         $order_by_qpart = "unread DESC,title";
4251                                 } else {
4252                                         $order_by_qpart = "title";
4253                                 }
4254                         }
4255
4256                         $age_qpart = getMaxAgeSubquery();
4257
4258                         $query = "SELECT ttrss_feeds.*,
4259                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4260                                 cat_id,last_error,
4261                                 ttrss_feed_categories.title AS category,
4262                                 ttrss_feed_categories.collapsed,
4263                                 value AS unread
4264                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4265                                         ON (ttrss_feed_categories.id = cat_id)
4266                                 LEFT JOIN ttrss_counters_cache
4267                                         ON
4268                                                 (ttrss_feeds.id = feed_id)
4269                                 WHERE
4270                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4271                                 ORDER BY $order_by_qpart";
4272
4273                         $result = db_query($link, $query);
4274
4275                         $actid = $_REQUEST["actid"];
4276
4277                         /* real feeds */
4278
4279                         $lnum = 0;
4280
4281                         $total_unread = 0;
4282
4283                         $category = "";
4284
4285                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4286
4287                         while ($line = db_fetch_assoc($result)) {
4288
4289                                 $feed = htmlspecialchars(trim($line["title"]));
4290
4291                                 if (!$feed) $feed = "[Untitled]";
4292
4293                                 $feed_id = $line["id"];
4294                                 $unread = $line["unread"];
4295
4296                                 $subop = $_REQUEST["subop"];
4297
4298                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4299                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4300                                 } else {
4301                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4302                                 }
4303
4304                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4305
4306                                 if ($rtl_content) {
4307                                         $rtl_tag = "dir=\"RTL\"";
4308                                 } else {
4309                                         $rtl_tag = "";
4310                                 }
4311
4312                                 $tmp_result = db_query($link,
4313                                         "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
4314                                                 WHERE parent_feed = '$feed_id' AND feed_id = id");
4315
4316                                 $unread += db_fetch_result($tmp_result, 0, "unread");
4317
4318                                 $cat_id = $line["cat_id"];
4319
4320                                 $tmp_category = $line["category"];
4321
4322                                 if (!$tmp_category) {
4323                                         $tmp_category = __("Uncategorized");
4324                                 }
4325
4326         //                      $class = ($lnum % 2) ? "even" : "odd";
4327
4328                                 if ($line["last_error"]) {
4329                                         $class = "error";
4330                                 } else {
4331                                         $class = "feed";
4332                                 }
4333
4334                                 if ($actid == $feed_id) {
4335                                         $class .= "Selected";
4336                                 }
4337
4338                                 $total_unread += $unread;
4339
4340                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4341
4342                                         if ($category) {
4343                                                 print "</ul></li>";
4344                                         }
4345
4346                                         $category = $tmp_category;
4347
4348                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4349
4350                                         // workaround for NULL category
4351                                         if ($category == __("Uncategorized")) {
4352                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4353                                         }
4354
4355                                         $cat_id = (int) $cat_id;
4356
4357                                         printCategoryHeader($link, $cat_id, $collapsed, true);
4358
4359                                 }
4360
4361                                 printFeedEntry($feed_id, $class, $feed, $unread,
4362                                         false, $link, $rtl_content,
4363                                         $last_updated, $line["last_error"]);
4364
4365                                 ++$lnum;
4366                         }
4367
4368                         if (db_num_rows($result) == 0) {
4369                                 print "<li>".__('No feeds to display.')."</li>";
4370                         }
4371
4372                 } else {
4373
4374                         // tags
4375
4376 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4377                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4378                                 post_int_id = ttrss_user_entries.int_id AND
4379                                 unread = true AND ref_id = ttrss_entries.id
4380                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4381                         UNION
4382                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4383                         ORDER BY tag_name"); */
4384
4385                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4386                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4387                                 print "<ul class=\"feedCatList\">";
4388                         }
4389
4390                         $age_qpart = getMaxAgeSubquery();
4391
4392                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4393                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4394                                         AND ref_id = id AND $age_qpart
4395                                         AND unread = true)) AS count FROM ttrss_tags
4396                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4397                                         ORDER BY count DESC LIMIT 50");
4398
4399                         $tags = array();
4400
4401                         while ($line = db_fetch_assoc($result)) {
4402                                 $tags[$line["tag_name"]] += $line["count"];
4403                         }
4404
4405                         foreach (array_keys($tags) as $tag) {
4406
4407                                 $unread = $tags[$tag];
4408                                 $class = "tag";
4409
4410                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4411
4412                         }
4413
4414                         if (db_num_rows($result) == 0) {
4415                                 print "<li>No tags to display.</li>";
4416                         }
4417
4418                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4419                                 print "</ul>";
4420                         }
4421
4422                 }
4423
4424                 print "</ul>";
4425
4426         }
4427
4428         function get_article_tags($link, $id, $owner_uid = 0) {
4429
4430                 $a_id = db_escape_string($id);
4431
4432                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4433
4434                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name,
4435                         owner_uid as owner FROM
4436                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4437                                 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
4438
4439                 $tags = array();
4440
4441                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4442                         array_push($tags, $tmp_line["tag_name"]);
4443                 }
4444
4445                 return $tags;
4446         }
4447
4448         function trim_value(&$value) {
4449                 $value = trim($value);
4450         }
4451
4452         function trim_array($array) {
4453                 $tmp = $array;
4454                 array_walk($tmp, 'trim_value');
4455                 return $tmp;
4456         }
4457
4458         function tag_is_valid($tag) {
4459                 if ($tag == '') return false;
4460                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4461                 if (mb_strlen($tag) > 250) return false;
4462
4463                 if (function_exists('iconv')) {
4464                         $tag = iconv("utf-8", "utf-8", $tag);
4465                 }
4466
4467                 if (!$tag) return false;
4468
4469                 return true;
4470         }
4471
4472         function render_login_form($link, $mobile = 0) {
4473                 switch ($mobile) {
4474                 case 0:
4475                         require_once "login_form.php";
4476                         break;
4477                 case 1:
4478                         require_once "mobile/login_form.php";
4479                         break;
4480                 case 2:
4481                         require_once "mobile/classic/login_form.php";
4482                 }
4483         }
4484
4485         // from http://developer.apple.com/internet/safari/faq.html
4486         function no_cache_incantation() {
4487                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4488                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4489                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4490                 header("Cache-Control: post-check=0, pre-check=0", false);
4491                 header("Pragma: no-cache"); // HTTP/1.0
4492         }
4493
4494         function format_warning($msg, $id = "") {
4495                 return "<div class=\"warning\" id=\"$id\">
4496                         <img src=\"images/sign_excl.gif\">$msg</div>";
4497         }
4498
4499         function format_notice($msg) {
4500                 return "<div class=\"notice\">
4501                         <img src=\"images/sign_info.gif\">$msg</div>";
4502         }
4503
4504         function format_error($msg) {
4505                 return "<div class=\"error\">
4506                         <img src=\"images/sign_excl.gif\">$msg</div>";
4507         }
4508
4509         function print_notice($msg) {
4510                 return print format_notice($msg);
4511         }
4512
4513         function print_warning($msg) {
4514                 return print format_warning($msg);
4515         }
4516
4517         function print_error($msg) {
4518                 return print format_error($msg);
4519         }
4520
4521
4522         function T_sprintf() {
4523                 $args = func_get_args();
4524                 return vsprintf(__(array_shift($args)), $args);
4525         }
4526
4527         function format_inline_player($link, $url, $ctype) {
4528
4529                 $entry = "";
4530
4531                 if (($ctype == __("audio/mpeg")) &&  (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4532
4533                         $entry .= "<object type=\"application/x-shockwave-flash\"
4534                                 data=\"extras/button/musicplayer.swf?song_url=$url\"
4535                                 width=\"17\" height=\"17\">
4536                                         <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object>";
4537                 }
4538
4539                 /*
4540
4541                 if (substr($ctype,0,6)=="audio/" || $ctype=="application/ogg" || $ctype=="application/x-ogg") {
4542                         $entry .= "<audio controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4543                         if (($ctype == __("audio/mpeg")) &&
4544                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4545                                 $entry .= "<span><object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object></span>";
4546                         }
4547                         $entry .= "</audio> ";
4548                         if (($ctype == __("audio/mpeg")) &&
4549                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4550                                 $entry .= "<a id='switchToFlashLink' href='#' onclick='return switchToFlash(this)'>".__('Switch to Flash Player')."</a>";
4551                                 $entry .= "<script type='text/javascript'>html5AudioOrFlash('$ctype');</script>";
4552                         }
4553                 } elseif (substr($ctype,0,6)=="video/") {
4554                         $entry .= "<video controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4555                         $entry .= "</video>";
4556                 } */
4557
4558
4559
4560                 return $entry;
4561         }
4562
4563         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4564                 $zoom_mode = false) {
4565
4566                 /* we can figure out feed_id from article id anyway, why do we
4567                  * pass feed_id here? let's ignore the argument :( */
4568
4569                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4570                         WHERE ref_id = '$id'");
4571
4572                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4573
4574                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4575
4576                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4577                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4578
4579                 if (db_num_rows($result) == 1) {
4580                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4581                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4582                 } else {
4583                         $rtl_content = false;
4584                         $always_display_enclosures = false;
4585                 }
4586
4587                 if ($rtl_content) {
4588                         $rtl_tag = "dir=\"RTL\"";
4589                         $rtl_class = "RTL";
4590                 } else {
4591                         $rtl_tag = "";
4592                         $rtl_class = "";
4593                 }
4594
4595                 if ($mark_as_read) {
4596                         $result = db_query($link, "UPDATE ttrss_user_entries
4597                                 SET unread = false,last_read = NOW()
4598                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4599
4600                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4601                 }
4602
4603                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4604                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4605                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4606                         num_comments,
4607                         author,
4608                         orig_feed_id,
4609                         note
4610                         FROM ttrss_entries,ttrss_user_entries
4611                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4612
4613                 if ($result) {
4614
4615                         $line = db_fetch_assoc($result);
4616
4617                         if ($line["icon_url"]) {
4618                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4619                         } else {
4620                                 $feed_icon = "&nbsp;";
4621                         }
4622
4623                         $num_comments = $line["num_comments"];
4624                         $entry_comments = "";
4625
4626                         if ($num_comments > 0) {
4627                                 if ($line["comments"]) {
4628                                         $comments_url = $line["comments"];
4629                                 } else {
4630                                         $comments_url = $line["link"];
4631                                 }
4632                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
4633                         } else {
4634                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4635                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
4636                                 }
4637                         }
4638
4639                         if ($zoom_mode) {
4640                                 header("Content-Type: text/html");
4641                                 print "<html><head>
4642                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4643                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4644                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4645                                         </head><body>";
4646                         }
4647
4648
4649                         print "<div class=\"postReply\">";
4650
4651                         print "<div class=\"postHeader\" onmouseover=\"enable_resize(true)\"
4652                                 onmouseout=\"enable_resize(false)\">";
4653
4654                         $entry_author = $line["author"];
4655
4656                         if ($entry_author) {
4657                                 $entry_author = __(" - ") . $entry_author;
4658                         }
4659
4660                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4661                                 strtotime($line["updated"]));
4662
4663                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4664
4665                         if ($line["link"]) {
4666                                 print "<div clear='both'><a target='_blank' href=\"" . $line["link"] . "\">" .
4667                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4668                         } else {
4669                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4670                         }
4671
4672                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4673
4674                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4675
4676                         print "<div style='float : right'>
4677                                         <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4678
4679                         if (!$zoom_mode) {
4680                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4681                                         <a title=\"".__('Edit tags for this article')."\"
4682                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a>";
4683
4684                                 if (defined('_ENABLE_INLINE_VIEW')) {
4685
4686                                         print "<img src=\"images/art-inline.png\" class='tagsPic'
4687                                                         style=\"cursor : pointer\" style=\"cursor : pointer\"
4688                                                         onclick=\"showOriginalArticleInline($id)\"
4689                                                         alt='Inline' title='".__('Display original article content')."'>";
4690
4691                                 }
4692
4693                                 print "<img src=\"images/art-zoom.png\" class='tagsPic'
4694                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
4695                                                 onclick=\"zoomToArticle($id)\"
4696                                                 alt='Zoom' title='".__('Show article summary in new window')."'>";
4697
4698                                 $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4699
4700                                 print "<img src=\"images/art-pub-note.png\" class='tagsPic'
4701                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
4702                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
4703                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
4704
4705                         } else {
4706                                 $tags_str = strip_tags($tags_str);
4707                                 print "<span id=\"ATSTR-$id\">$tags_str</span>";
4708                         }
4709                         print "</div>";
4710                         print "<div clear='both'>$entry_comments</div>";
4711
4712                         if ($line["orig_feed_id"]) {
4713
4714                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
4715                                         WHERE id = ".$line["orig_feed_id"]);
4716
4717                                 if (db_num_rows($tmp_result) != 0) {
4718
4719                                         print "<div clear='both'>";
4720                                         print __("Originally from:");
4721
4722                                         print "&nbsp;";
4723
4724                                         $tmp_line = db_fetch_assoc($tmp_result);
4725
4726                                         print "<a target='_blank'
4727                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
4728                                                 $tmp_line['title'] . "</a>";
4729
4730                                         print "&nbsp;";
4731
4732                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
4733                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
4734
4735                                         print "</div>";
4736                                 }
4737                         }
4738
4739                         print "</div>";
4740
4741                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4742
4743                         print "<div class=\"postContent\">";
4744
4745                         $article_content = sanitize_rss($link, $line["content"]);
4746
4747                         print "<div id=\"POSTNOTE-$id\">";
4748                                 if ($line['note']) {
4749                                         print format_article_note($id, $line['note']);
4750                                 }
4751                         print "</div>";
4752
4753                         print $article_content;
4754
4755                         $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4756                                 post_id = '$id' AND content_url != ''");
4757
4758                         if (db_num_rows($result) > 0) {
4759
4760                                 $entries_html = array();
4761                                 $entries = array();
4762
4763                                 while ($line = db_fetch_assoc($result)) {
4764
4765                                         $url = $line["content_url"];
4766                                         $ctype = $line["content_type"];
4767
4768                                         if (!$ctype) $ctype = __("unknown type");
4769
4770                                         $filename = substr($url, strrpos($url, "/")+1);
4771
4772                                         $entry = format_inline_player($link, $url, $ctype);
4773
4774                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4775                                                 $filename . " (" . $ctype . ")" . "</a>";
4776
4777                                         array_push($entries_html, $entry);
4778
4779                                         $entry = array();
4780
4781                                         $entry["type"] = $ctype;
4782                                         $entry["filename"] = $filename;
4783                                         $entry["url"] = $url;
4784
4785                                         array_push($entries, $entry);
4786                                 }
4787
4788                                 print "<div class=\"postEnclosures\">";
4789
4790                                 if (!get_pref($link, "STRIP_IMAGES")) {
4791                                         if ($always_display_enclosures || !preg_match("/<img/i", $article_content)) {
4792                                                 foreach ($entries as $entry) {
4793                                                         if (preg_match("/image/", $entry["type"])) {
4794                                                                 print "<p><img
4795                                                                         alt=\"".htmlspecialchars($entry["filename"])."\"
4796                                                                         src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
4797                                                         }
4798                                                 }
4799                                         }
4800                                 }
4801
4802                                 print "<div class=\"postEnclosures\">";
4803
4804                                 if (db_num_rows($result) == 1) {
4805                                         print __("Attachment:") . " ";
4806                                 } else {
4807                                         print __("Attachments:") . " ";
4808                                 }
4809
4810                                 print join(", ", $entries_html);
4811
4812                                 print "</div>";
4813                         }
4814
4815                         print "</div>";
4816
4817                         print "</div>";
4818
4819                 }
4820
4821                 if (!$zoom_mode) {
4822                         print "]]></article>";
4823                 } else {
4824                         print "
4825                                 <div style=\"text-align : center\">
4826                                 <button onclick=\"return window.close()\">".
4827                                         __("Close this window")."</button></div>";
4828                         print "</body></html>";
4829
4830                 }
4831
4832         }
4833
4834         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4835                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4836                                         $override_order = false) {
4837
4838                 $disable_cache = false;
4839
4840                 $timing_info = getmicrotime();
4841
4842                 $topmost_article_ids = array();
4843
4844                 if (!$offset) {
4845                         $offset = 0;
4846                 }
4847
4848                 if ($subop == "undefined") $subop = "";
4849
4850                 $subop_split = split(":", $subop);
4851
4852                 if ($subop == "CatchupSelected") {
4853                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
4854                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
4855
4856                         catchupArticlesById($link, $ids, $cmode);
4857                 }
4858
4859                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4860                         update_generic_feed($link, $feed, $cat_view, true);
4861                 }
4862
4863                 if ($subop == "MarkAllRead")  {
4864                         catchup_feed($link, $feed, $cat_view);
4865
4866                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4867                                 if ($next_unread_feed) {
4868                                         $feed = $next_unread_feed;
4869                                 }
4870                         }
4871                 }
4872
4873                 if ($subop_split[0] == "MarkAllReadGR")  {
4874                         catchup_feed($link, $subop_split[1], false);
4875                 }
4876
4877
4878                 if ($feed_id > 0) {
4879                         $result = db_query($link,
4880                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4881
4882                         if (db_num_rows($result) == 0) {
4883                                 print "<div align='center'>".__('Feed not found.')."</div>";
4884                                 return;
4885                         }
4886                 }
4887
4888                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4889
4890                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4891                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4892
4893                         if (db_num_rows($result) == 1) {
4894                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4895                         } else {
4896                                 $rtl_content = false;
4897                         }
4898
4899                         if ($rtl_content) {
4900                                 $rtl_tag = "dir=\"RTL\"";
4901                         } else {
4902                                 $rtl_tag = "";
4903                         }
4904                 } else {
4905                         $rtl_tag = "";
4906                         $rtl_content = false;
4907                 }
4908
4909                 $script_dt_add = get_script_dt_add();
4910
4911                 /// START /////////////////////////////////////////////////////////////////////////////////
4912
4913                 $search = db_escape_string($_REQUEST["query"]);
4914
4915                 if ($search) {
4916                         $disable_cache = true;
4917                 }
4918
4919                 $search_mode = db_escape_string($_REQUEST["search_mode"]);
4920                 $match_on = db_escape_string($_REQUEST["match_on"]);
4921
4922                 if (!$match_on) {
4923                         $match_on = "both";
4924                 }
4925
4926                 $real_offset = $offset * $limit;
4927
4928                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4929
4930                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4931                         $search, $search_mode, $match_on, $override_order, $real_offset);
4932
4933                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4934
4935                 $result = $qfh_ret[0];
4936                 $feed_title = $qfh_ret[1];
4937                 $feed_site_url = $qfh_ret[2];
4938                 $last_error = $qfh_ret[3];
4939
4940                 $vgroup_last_feed = $vgr_last_feed;
4941
4942                 if ($feed == -2) {
4943                         $feed_site_url = article_publish_url($link);
4944                 }
4945
4946                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4947
4948                 if (!$offset) {
4949                         print "<div id=\"headlinesContainer\" $rtl_tag>";
4950
4951                         if (!$result) {
4952                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4953                                 return;
4954                         }
4955
4956                         print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4957                                 $feed, $cat_view, $search, $match_on, $search_mode);
4958
4959                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4960                 }
4961
4962                 $headlines_count = db_num_rows($result);
4963
4964                 if (db_num_rows($result) > 0) {
4965
4966 #                       print "\{$offset}";
4967
4968                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4969                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
4970                                         cellspacing=\"0\">";
4971                         }
4972
4973                         $lnum = $limit*$offset;
4974
4975                         error_reporting (DEFAULT_ERROR_LEVEL);
4976
4977                         $num_unread = 0;
4978                         $cur_feed_title = '';
4979
4980                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
4981
4982                         while ($line = db_fetch_assoc($result)) {
4983
4984                                 $class = ($lnum % 2) ? "even" : "odd";
4985
4986                                 $id = $line["id"];
4987                                 $feed_id = $line["feed_id"];
4988
4989                                 $labels = get_article_labels($link, $id);
4990
4991                                 $labels_str = "<span id=\"HLLCTR-$id\">";
4992                                 $labels_str .= format_article_labels($labels, $id);
4993                                 $labels_str .= "</span>";
4994
4995                                 if (count($topmost_article_ids) < 5) {
4996                                         array_push($topmost_article_ids, $id);
4997                                 }
4998
4999                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
5000
5001                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\"
5002                                                 alt=\"Updated\">";
5003                                 } else {
5004                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
5005                                                 alt=\"Updated\">";
5006                                 }
5007
5008                                 if (sql_bool_to_bool($line["unread"]) &&
5009                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
5010
5011                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/fresh_sign.png\"
5012                                                         alt=\"Fresh\">";
5013                                 }
5014
5015                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
5016                                         $class .= "Unread";
5017                                         ++$num_unread;
5018                                         $is_unread = true;
5019                                 } else {
5020                                         $is_unread = false;
5021                                 }
5022
5023                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
5024                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.png\"
5025                                                 class=\"markedPic\"
5026                                                 alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
5027                                 } else {
5028                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.png\"
5029                                                 class=\"markedPic\"
5030                                                 alt=\"Star article\" onclick='javascript:tMark($id)'>";
5031                                 }
5032
5033                                 if ($line["published"] == "t" || $line["published"] == "1") {
5034                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\"
5035                                                 class=\"markedPic\"
5036                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
5037                                 } else {
5038                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\"
5039                                                 class=\"markedPic\"
5040                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
5041                                 }
5042
5043 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
5044 #                                       $line["title"] . "</a>";
5045
5046 #                               $content_link = "<a
5047 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
5048 #                                       onclick=\"view($id,$feed_id);\">" .
5049 #                                       $line["title"] . "</a>";
5050
5051 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
5052 #                                       $line["title"] . "</a>";
5053
5054                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
5055                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
5056                                 } else {
5057                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
5058                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
5059                                 }
5060
5061                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5062                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
5063                                                 100);
5064                                 }
5065
5066                                 $score = $line["score"];
5067
5068                                 $score_pic = get_score_pic($score);
5069
5070 /*                              $score_title = __("(Click to change)");
5071                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5072                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
5073
5074                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5075                                         title=\"$score\">";
5076
5077                                 if ($score > 500) {
5078                                         $hlc_suffix = "H";
5079                                 } else if ($score < -100) {
5080                                         $hlc_suffix = "L";
5081                                 } else {
5082                                         $hlc_suffix = "";
5083                                 }
5084
5085                                 $entry_author = $line["author"];
5086
5087                                 if ($entry_author) {
5088                                         $entry_author = " - $entry_author";
5089                                 }
5090
5091                                 $has_feed_icon = feed_has_icon($feed_id);
5092
5093                                 if ($has_feed_icon) {
5094                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5095                                 } else {
5096                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5097                                         $feed_icon_img = "";
5098                                 }
5099
5100                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5101
5102                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5103                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5104
5105                                                         $cur_feed_title = $line["feed_title"];
5106                                                         $vgroup_last_feed = $feed_id;
5107
5108                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5109
5110                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5111
5112                                                         print "<tr class='feedTitle'><td colspan='7'>".
5113                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5114                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5115                                                                 $line["feed_title"]."</a> $vf_catchup_link</td></tr>";
5116                                                 }
5117                                         }
5118
5119                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5120                                                 onmouseout='postMouseOut($id)'";
5121
5122                                         print "<tr class='$class' id='RROW-$id' $mouseover_attrs>";
5123
5124                                         print "<td class='hlUpdPic'>$update_pic</td>";
5125
5126                                         print "<td class='hlSelectRow'>
5127                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
5128                                                         id=\"RCHK-$id\">
5129                                                 </td>";
5130
5131                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
5132                                         print "<td class='hlMarkedPic'>$published_pic</td>";
5133
5134 #                                       if ($line["feed_title"]) {
5135 #                                               print "<td class='hlContent'>$content_link</td>";
5136 #                                               print "<td class='hlFeed'>
5137 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5138 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
5139 #                                       } else {
5140
5141                                         print "<td onclick='view($id)' class='hlContent$hlc_suffix' valign='middle' id='HLC-$id'>";
5142
5143                                         print "<a id=\"RTITLE-$id\"
5144                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5145                                                 onclick=\"return false\">" .
5146                                                 $line["title"];
5147
5148                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5149                                                 if ($content_preview) {
5150                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5151                                                 }
5152                                         }
5153
5154                                         print "</a>";
5155
5156                                         print $labels_str;
5157
5158 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5159 #                                                       $line["feed_title"]."</a>
5160
5161                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5162                                                 if ($line["feed_title"]) {
5163                                                         print "<span class=\"hlFeed\">
5164                                                                 (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5165                                                                 $line["feed_title"]."</a>)
5166                                                         </span>";
5167                                                 }
5168                                         }
5169
5170 //                                      print "<img id='HLL-$id' class='hlLoading'
5171 //                                              src='images/indicator_tiny.gif' style='display : none'>";
5172
5173                                         print "</td>";
5174
5175 #                                       }
5176
5177                                         print "<td class=\"hlUpdated\" onclick='view($id)'><nobr>$updated_fmt&nbsp;</nobr></td>";
5178
5179                                         print "<td class='hlMarkedPic'>$score_pic</td>";
5180
5181                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5182                                                 print "<td onclick=\"viewfeed($feed_id)\" class=\"hlFeedIcon\">$feed_icon_img</td>";
5183                                         }
5184
5185                                         print "</tr>";
5186
5187                                 } else {
5188
5189                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5190                                                 if ($feed_id != $vgroup_last_feed) {
5191
5192                                                         $cur_feed_title = $line["feed_title"];
5193                                                         $vgroup_last_feed = $feed_id;
5194
5195                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5196
5197                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5198
5199                                                         $has_feed_icon = feed_has_icon($feed_id);
5200
5201                                                         if ($has_feed_icon) {
5202                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5203                                                         } else {
5204                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5205                                                         }
5206
5207                                                         print "<div class='cdmFeedTitle'>".
5208                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5209                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5210                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5211                                                 }
5212                                         }
5213
5214                                         if ($is_unread) {
5215                                                 $add_class = "Unread";
5216                                         } else {
5217                                                 $add_class = "";
5218                                         }
5219
5220                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5221                                         $show_excerpt = false;
5222
5223                                         if ($expand_cdm && $score >= -100) {
5224                                                 $cdm_cstyle = "";
5225                                                 $show_excerpt = false;
5226                                         } else {
5227                                                 $cdm_cstyle = "style=\"display : none\"";
5228                                                 $show_excerpt = true;
5229                                         }
5230
5231                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5232                                                 onmouseout='postMouseOut($id)'";
5233
5234                                         print "<div class=\"cdmArticle$add_class\"
5235                                                 id=\"RROW-$id\"
5236                                                 $mouseover_attrs'>";
5237
5238                                         print "<div class=\"cdmHeader\">";
5239
5240                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") || !$line["feed_title"]) {
5241                                                 $cdm_feed_icon = "<span style=\"cursor : pointer\" onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5242                                         }
5243
5244                                         print "<div class=\"articleUpdated\">$updated_fmt $score_pic $cdm_feed_icon
5245                                                 </div>";
5246
5247                                         print "<span id=\"RTITLE-$id\" class=\"titleWrap$hlc_suffix\"><a class=\"title\"
5248                                                 onclick=\"javascript:toggleUnread($id, 0)\"
5249                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5250                                                 ";
5251
5252                                         print $entry_author;
5253
5254 /*                                      if (!$expand_cdm || $score < -100) {
5255                                                 print "&nbsp;<a id=\"CICH-$id\"
5256                                                         href=\"javascript:cdmExpandArticle($id)\">
5257                                                         (".__('Show article').")</a>";
5258                                         } */
5259
5260                                         print $labels_str;
5261
5262                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5263                                                 if ($line["feed_title"]) {
5264                                                         print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
5265                                                 }
5266                                         }
5267
5268                                         print "</span></div>";
5269
5270                                         if ($show_excerpt) {
5271                                                 print "<div class=\"cdmExcerpt\" id=\"CEXC-$id\"
5272                                                         onclick=\"cdmExpandArticle($id)\"
5273                                                         title=\"".__('Click to expand article')."\">";
5274
5275                                                 $content_preview = trim(truncate_string(strip_tags($line["content_preview"]), 100));
5276
5277                                                 if (strlen($content_preview) != 0) {
5278                                                         print $content_preview;
5279                                                 } else {
5280                                                         print __('Click to expand article');
5281                                                 }
5282                                                 print "</div>";
5283                                         }
5284
5285                                         print "<div class=\"cdmContent\"
5286                                                 onclick=\"cdmClicked($id)\"
5287                                                 id=\"CICD-$id\" $cdm_cstyle>";
5288
5289                                         if ($line["orig_feed_id"]) {
5290
5291                                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
5292                                                 WHERE id = ".$line["orig_feed_id"]);
5293
5294                                                 if (db_num_rows($tmp_result) != 0) {
5295
5296                                                 print "<div clear='both'>";
5297                                                 print __("Originally from:");
5298
5299                                                 print "&nbsp;";
5300
5301                                                 $tmp_line = db_fetch_assoc($tmp_result);
5302
5303                                                 print "<a target='_blank'
5304                                                         href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
5305                                                         $tmp_line['title'] . "</a>";
5306
5307                                                 print "&nbsp;";
5308
5309                                                 print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
5310                                                 print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
5311
5312                                                 print "</div>";
5313                                         }
5314                                 }
5315
5316 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
5317
5318                                         print "<div id=\"POSTNOTE-$id\">";
5319                                         if ($line['note']) {
5320                                                 print format_article_note($id, $line['note']);
5321                                         }
5322                                         print "</div>";
5323
5324                                         print sanitize_rss($link, $line["content_preview"]);
5325
5326                                         $article_content = $line["content_preview"];
5327
5328                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
5329                                                 post_id = '$id' AND content_url != ''");
5330
5331                                         if (db_num_rows($e_result) > 0) {
5332
5333                                 $entries_html = array();
5334                                 $entries = array();
5335
5336                                 while ($e_line = db_fetch_assoc($e_result)) {
5337
5338                                         $url = $e_line["content_url"];
5339                                         $ctype = $e_line["content_type"];
5340                                         if (!$ctype) $ctype = __("unknown type");
5341
5342                                         $filename = substr($url, strrpos($url, "/")+1);
5343
5344                                         $entry = format_inline_player($link, $url, $ctype);
5345
5346                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5347                                                 $filename . " (" . $ctype . ")" . "</a>";
5348
5349                                         array_push($entries_html, $entry);
5350
5351                                         $entry = array();
5352
5353                                         $entry["type"] = $ctype;
5354                                         $entry["filename"] = $filename;
5355                                         $entry["url"] = $url;
5356
5357                                         array_push($entries, $entry);
5358                                 }
5359
5360                                 $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5361                                         ttrss_feeds WHERE id = ".$line['feed_id']." AND owner_uid = ".$_SESSION["uid"]);
5362
5363                                 $always_display_enclosures = db_fetch_result($tmp_result, 0, "always_display_enclosures");
5364
5365                                 if (!get_pref($link, "STRIP_IMAGES")) {
5366                                         if ($always_display_enclosures || !preg_match("/img/i", $article_content)) {
5367                                                 foreach ($entries as $entry) {
5368                                                         if (preg_match("/image/", $entry["type"])) {
5369                                                                 print "<p><img
5370                                                                         alt=\"".htmlspecialchars($entry["filename"])."\"
5371                                                                         src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
5372                                                         }
5373                                                 }
5374                                         }
5375                                 }
5376
5377                                 print "<div class=\"cdmEnclosures\">";
5378
5379                                 if (db_num_rows($e_result) == 1) {
5380                                         print __("Attachment:") . " ";
5381                                 } else {
5382                                         print __("Attachments:") . " ";
5383                                 }
5384
5385                                 print join(", ", $entries_html);
5386
5387                                 print "</div>";
5388                         }
5389
5390
5391                                         print "<br clear='both'>";
5392 //                                      print "</div>";
5393
5394 /*                                      if (!$expand_cdm) {
5395                                                 print "<a id=\"CICH-$id\"
5396                                                         href=\"javascript:cdmExpandArticle($id)\">
5397                                                         Show article</a>";
5398                                         } */
5399
5400                                         print "</div>";
5401
5402                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5403
5404                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5405
5406                                         print __("Select:").
5407                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5408                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5409
5410                                         print "</span><span class='s1'>$marked_pic&nbsp;";
5411                                         print "$published_pic&nbsp;";
5412                                         print "<img src=\"images/art-zoom.png\" class='tagsPic'
5413                                                 onclick=\"zoomToArticle($id)\"
5414                                                 style=\"cursor : pointer\"
5415                                                 alt='Zoom'
5416                                                 title='".__('Show article summary in new window')."'>&nbsp;";
5417
5418                                         $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5419
5420                                         print "<img src=\"images/art-pub-note.png\" class='tagsPic'
5421                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5422                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
5423                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
5424
5425                                         print "</span>";
5426
5427                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5428
5429 //                                      print "<img src='images/tag.png' class='markedPic'>";
5430
5431                                         print "<span class='s1'>
5432                                                 <img class='tagsPic' src='images/tag.png' alt='Tags' title='Tags'>
5433                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5434                                                 <a title=\"".__('Edit tags for this article')."\"
5435                                                 href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5436
5437                                         print "</span>";
5438
5439                                         print "<span class='s2'><a class=\"cdmToggleLink\"
5440                                                         href=\"javascript:toggleUnread($id)\">
5441                                                         ".__('toggle unread')."</a></span>";
5442
5443                                         print "</div>";
5444                                         print "</div>";
5445
5446                                 }
5447
5448                                 ++$lnum;
5449                         }
5450
5451                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5452                                 print "</table>";
5453                         }
5454
5455                 } else {
5456                         $message = "";
5457
5458                         switch ($view_mode) {
5459                                 case "unread":
5460                                         $message = __("No unread articles found to display.");
5461                                         break;
5462                                 case "updated":
5463                                         $message = __("No updated articles found to display.");
5464                                         break;
5465                                 case "marked":
5466                                         $message = __("No starred articles found to display.");
5467                                         break;
5468                                 default:
5469                                         if ($feed < -10) {
5470                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5471                                         } else {
5472                                                 $message = __("No articles found to display.");
5473                                         }
5474                         }
5475
5476                         if (!$offset) print "<div class='whiteBox'>$message</div>";
5477                 }
5478
5479                 if (!$offset) {
5480                         print "</div>";
5481                         print "</div>";
5482                 }
5483
5484                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5485         }
5486
5487 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5488
5489         function printTagCloud($link) {
5490
5491                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5492                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5493                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5494
5495                 $result = db_query($link, $query);
5496
5497                 $tags = array();
5498
5499                 while ($line = db_fetch_assoc($result)) {
5500                         $tags[$line["tag_name"]] = $line["count"];
5501                 }
5502
5503                 ksort($tags);
5504
5505                 $max_size = 32; // max font size in pixels
5506                 $min_size = 11; // min font size in pixels
5507
5508                 // largest and smallest array values
5509                 $max_qty = max(array_values($tags));
5510                 $min_qty = min(array_values($tags));
5511
5512                 // find the range of values
5513                 $spread = $max_qty - $min_qty;
5514                 if ($spread == 0) { // we don't want to divide by zero
5515                                 $spread = 1;
5516                 }
5517
5518                 // set the font-size increment
5519                 $step = ($max_size - $min_size) / ($spread);
5520
5521                 // loop through the tag array
5522                 foreach ($tags as $key => $value) {
5523                         // calculate font-size
5524                         // find the $value in excess of $min_qty
5525                         // multiply by the font-size increment ($size)
5526                         // and add the $min_size set above
5527                         $size = round($min_size + (($value - $min_qty) * $step));
5528
5529                         $key_escaped = str_replace("'", "\\'", $key);
5530
5531                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5532                                 $size . "px\" title=\"$value articles tagged with " .
5533                                 $key . '">' . $key . '</a> ';
5534                 }
5535         }
5536
5537         function print_checkpoint($n, $s) {
5538                 $ts = getmicrotime();
5539                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5540                 return $ts;
5541         }
5542
5543         function sanitize_tag($tag) {
5544                 $tag = trim($tag);
5545
5546                 $tag = mb_strtolower($tag, 'utf-8');
5547
5548                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5549
5550 //              $tag = str_replace('"', "", $tag);
5551 //              $tag = str_replace("+", " ", $tag);
5552                 $tag = str_replace("technorati tag: ", "", $tag);
5553
5554                 return $tag;
5555         }
5556
5557         function generate_publish_key() {
5558                 return sha1(uniqid(rand(), true));
5559         }
5560
5561         function article_publish_url($link) {
5562
5563                 $url_path = "";
5564
5565
5566                 if ($_SERVER['HTTPS'] != "on") {
5567                         $url_path = "http://";
5568                 } else {
5569                         $url_path = "https://";
5570                 }
5571
5572                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5573                 $url_path .= "/backend.php?op=publish&key=" . get_pref($link, "_PREFS_PUBLISH_KEY");
5574
5575                 return $url_path;
5576         }
5577
5578         /**
5579          * Purge a feed contents, marked articles excepted.
5580          *
5581          * @param mixed $link The database connection.
5582          * @param integer $id The id of the feed to purge.
5583          * @return void
5584          */
5585         function clear_feed_articles($link, $id) {
5586
5587                 if ($id != 0) {
5588                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5589                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5590                 } else {
5591                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5592                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5593                 }
5594
5595                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5596                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5597
5598                 ccache_update($link, $id, $_SESSION['uid']);
5599         } // function clear_feed_articles
5600
5601         /**
5602          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5603          *
5604          * @return string The Mozilla Firefox feed adding URL.
5605          */
5606         function add_feed_url() {
5607                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5608                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5609                 return $url_path;
5610         } // function add_feed_url
5611
5612         /**
5613          * Encrypt a password in SHA1.
5614          *
5615          * @param string $pass The password to encrypt.
5616          * @param string $login A optionnal login.
5617          * @return string The encrypted password.
5618          */
5619         function encrypt_password($pass, $login = '') {
5620                 if ($login) {
5621                         return "SHA1X:" . sha1("$login:$pass");
5622                 } else {
5623                         return "SHA1:" . sha1($pass);
5624                 }
5625         } // function encrypt_password
5626
5627         /**
5628          * Update a feed batch.
5629          * Used by daemons to update n feeds by run.
5630          * Only update feed needing a update, and not being processed
5631          * by another process.
5632          *
5633          * @param mixed $link Database link
5634          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5635          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5636          * @param boolean $debug Set to false to disable debug output. Default to true.
5637          * @return void
5638          */
5639         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5640                 // Process all other feeds using last_updated and interval parameters
5641
5642                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5643                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5644                         if (DB_TYPE == "pgsql") {
5645                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5646                         } else {
5647                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5648                         }
5649                 } else {
5650                         $login_thresh_qpart = "";
5651                 }
5652
5653                 // Test if the feed need a update (update interval exceded).
5654                 if (DB_TYPE == "pgsql") {
5655                         $update_limit_qpart = "AND ((
5656                                         ttrss_feeds.update_interval = 0
5657                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5658                                 ) OR (
5659                                         ttrss_feeds.update_interval > 0
5660                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5661                                 ) OR ttrss_feeds.last_updated IS NULL)";
5662                 } else {
5663                         $update_limit_qpart = "AND ((
5664                                         ttrss_feeds.update_interval = 0
5665                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5666                                 ) OR (
5667                                         ttrss_feeds.update_interval > 0
5668                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5669                                 ) OR ttrss_feeds.last_updated IS NULL)";
5670                 }
5671
5672                 // Test if feed is currently being updated by another process.
5673                 if (DB_TYPE == "pgsql") {
5674                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5675                 } else {
5676                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5677                 }
5678
5679                 // Test if there is a limit to number of updated feeds
5680                 $query_limit = "";
5681                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5682
5683                 $random_qpart = sql_random_function();
5684
5685                 // We search for feed needing update.
5686                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5687                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5688                                 ttrss_feeds.update_interval
5689                         FROM
5690                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5691                         WHERE
5692                                 ttrss_feeds.owner_uid = ttrss_users.id
5693                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5694                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5695                                 $login_thresh_qpart $update_limit_qpart
5696                          $updstart_thresh_qpart
5697                         ORDER BY $random_qpart $query_limit");
5698
5699                 $user_prefs_cache = array();
5700
5701                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5702
5703                 // Here is a little cache magic in order to minimize risk of double feed updates.
5704                 $feeds_to_update = array();
5705                 while ($line = db_fetch_assoc($result)) {
5706                         $feeds_to_update[$line['id']] = $line;
5707                 }
5708
5709                 // We update the feed last update started date before anything else.
5710                 // There is no lag due to feed contents downloads
5711                 // It prevent an other process to update the same feed.
5712                 $feed_ids = array_keys($feeds_to_update);
5713                 if($feed_ids) {
5714                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5715                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5716                 }
5717
5718                 // For each feed, we call the feed update function.
5719                 while ($line = array_pop($feeds_to_update)) {
5720
5721                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5722
5723                         // We setup a alarm to alert if the feed take more than 300s to update.
5724                         // => HANG alarm.
5725                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(300);
5726                         update_rss_feed($link, $line["feed_url"], $line["id"], true);
5727                         // Cancel the alarm (the update went well)
5728                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(0);
5729
5730                         sleep(1); // prevent flood (FIXME make this an option?)
5731                 }
5732
5733                 // Send feed digests by email if needed.
5734                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5735
5736                 purge_orphans($link);
5737
5738         } // function update_daemon_common
5739
5740         function sanitize_article_content($text) {
5741                 # we don't support CDATA sections in articles, they break our own escaping
5742                 $text = preg_replace("/\[\[CDATA/", "", $text);
5743                 $text = preg_replace("/\]\]\>/", "", $text);
5744                 return $text;
5745         }
5746
5747         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5748                 $filters = array();
5749
5750                 if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5751
5752                 $result = db_query($link, "SELECT reg_exp,
5753                         ttrss_filter_types.name AS name,
5754                         ttrss_filter_actions.name AS action,
5755                         inverse,
5756                         action_param,
5757                         filter_param
5758                         FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5759                                 enabled = true AND
5760                                 $ftype_query_part
5761                                 owner_uid = $owner_uid AND
5762                                 ttrss_filter_types.id = filter_type AND
5763                                 ttrss_filter_actions.id = action_id AND
5764                                 (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5765
5766                 while ($line = db_fetch_assoc($result)) {
5767                         if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5768                                 $filter["reg_exp"] = $line["reg_exp"];
5769                                 $filter["action"] = $line["action"];
5770                                 $filter["action_param"] = $line["action_param"];
5771                                 $filter["filter_param"] = $line["filter_param"];
5772                                 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5773
5774                                 array_push($filters[$line["name"]], $filter);
5775                         }
5776
5777                 return $filters;
5778         }
5779
5780         function get_score_pic($score) {
5781                 if ($score > 100) {
5782                         return "score_high.png";
5783                 } else if ($score > 0) {
5784                         return "score_half_high.png";
5785                 } else if ($score < -100) {
5786                         return "score_low.png";
5787                 } else if ($score < 0) {
5788                         return "score_half_low.png";
5789                 } else {
5790                         return "score_neutral.png";
5791                 }
5792         }
5793
5794         function rounded_table_start($classname, $header = "&nbsp;") {
5795                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5796                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5797                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5798         }
5799
5800         function rounded_table_end($footer = "&nbsp;") {
5801                 print "</td><td class='right'>&nbsp;</td></tr>";
5802                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5803                 print "</table>";
5804         }
5805
5806         function feed_has_icon($id) {
5807                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5808         }
5809
5810         function init_connection($link) {
5811                 if (DB_TYPE == "pgsql") {
5812                         pg_query($link, "set client_encoding = 'UTF-8'");
5813                         pg_set_client_encoding("UNICODE");
5814                         pg_query($link, "set datestyle = 'ISO, european'");
5815                 } else {
5816                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5817                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5818         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5819                         }
5820                 }
5821         }
5822
5823         function update_feedbrowser_cache($link) {
5824
5825                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
5826                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5827                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5828                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
5829                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
5830
5831                 db_query($link, "BEGIN");
5832
5833                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5834
5835                 $count = 0;
5836
5837                 while ($line = db_fetch_assoc($result)) {
5838                         $subscribers = db_escape_string($line["subscribers"]);
5839                         $feed_url = db_escape_string($line["feed_url"]);
5840                         $title = db_escape_string($line["title"]);
5841
5842                         $tmp_result = db_query($link, "SELECT subscribers FROM
5843                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
5844
5845                         if (db_num_rows($tmp_result) == 0) {
5846
5847                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5848                                         (feed_url, title, subscribers) VALUES ('$feed_url',
5849                                                 '$title', '$subscribers')");
5850
5851                                 ++$count;
5852
5853                         }
5854
5855                 }
5856
5857                 db_query($link, "COMMIT");
5858
5859                 return $count;
5860
5861         }
5862
5863         function ccache_zero($link, $feed_id, $owner_uid) {
5864                 db_query($link, "UPDATE ttrss_counters_cache SET
5865                         value = 0, updated = NOW() WHERE
5866                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5867         }
5868
5869         function ccache_zero_all($link, $owner_uid) {
5870                 db_query($link, "UPDATE ttrss_counters_cache SET
5871                         value = 0 WHERE owner_uid = '$owner_uid'");
5872
5873                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
5874                         value = 0 WHERE owner_uid = '$owner_uid'");
5875         }
5876
5877         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
5878
5879                 if (!$is_cat) {
5880                         $table = "ttrss_counters_cache";
5881                 } else {
5882                         $table = "ttrss_cat_counters_cache";
5883                 }
5884
5885                 db_query($link, "DELETE FROM $table WHERE
5886                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5887
5888         }
5889
5890         function ccache_update_all($link, $owner_uid) {
5891
5892                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
5893
5894                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
5895                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5896
5897                         while ($line = db_fetch_assoc($result)) {
5898                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
5899                         }
5900
5901                         /* We have to manually include category 0 */
5902
5903                         ccache_update($link, 0, $owner_uid, true);
5904
5905                 } else {
5906                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
5907                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5908
5909                         while ($line = db_fetch_assoc($result)) {
5910                                 print ccache_update($link, $line["feed_id"], $owner_uid);
5911
5912                         }
5913
5914                 }
5915         }
5916
5917         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
5918                 $no_update = false) {
5919
5920                 if (!is_numeric($feed_id)) return;
5921
5922                 if (!$is_cat) {
5923                         $table = "ttrss_counters_cache";
5924                         if ($feed_id > 0) {
5925                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5926                                         WHERE id = '$feed_id'");
5927                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5928                         }
5929                 } else {
5930                         $table = "ttrss_cat_counters_cache";
5931                 }
5932
5933                 if (DB_TYPE == "pgsql") {
5934                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
5935                 } else if (DB_TYPE == "mysql") {
5936                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
5937                 }
5938
5939                 $result = db_query($link, "SELECT value FROM $table
5940                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
5941                         LIMIT 1");
5942
5943                 if (db_num_rows($result) == 1) {
5944                         return db_fetch_result($result, 0, "value");
5945                 } else {
5946                         if ($no_update) {
5947                                 return -1;
5948                         } else {
5949                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
5950                         }
5951                 }
5952
5953         }
5954
5955         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
5956                 $update_pcat = true) {
5957
5958                 if (!is_numeric($feed_id)) return;
5959
5960                 if (!$is_cat && $feed_id > 0) {
5961                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5962                                 WHERE id = '$feed_id'");
5963                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5964                 }
5965
5966                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
5967
5968                 /* When updating a label, all we need to do is recalculate feed counters
5969                  * because labels are not cached */
5970
5971                 if ($feed_id < 0) {
5972                         ccache_update_all($link, $owner_uid);
5973                         return;
5974                 }
5975
5976                 if (!$is_cat) {
5977                         $table = "ttrss_counters_cache";
5978                 } else {
5979                         $table = "ttrss_cat_counters_cache";
5980                 }
5981
5982                 if ($is_cat && $feed_id >= 0) {
5983                         if ($feed_id != 0) {
5984                                 $cat_qpart = "cat_id = '$feed_id'";
5985                         } else {
5986                                 $cat_qpart = "cat_id IS NULL";
5987                         }
5988
5989                         /* Recalculate counters for child feeds */
5990
5991                         $result = db_query($link, "SELECT id FROM ttrss_feeds
5992                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
5993
5994                         while ($line = db_fetch_assoc($result)) {
5995                                 ccache_update($link, $line["id"], $owner_uid, false, false);
5996                         }
5997
5998                         $result = db_query($link, "SELECT SUM(value) AS sv
5999                                 FROM ttrss_counters_cache, ttrss_feeds
6000                                 WHERE id = feed_id AND $cat_qpart AND
6001                                 ttrss_feeds.owner_uid = '$owner_uid'");
6002
6003                         $unread = (int) db_fetch_result($result, 0, "sv");
6004
6005                 } else {
6006                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
6007                 }
6008
6009                 db_query($link, "BEGIN");
6010
6011                 $result = db_query($link, "SELECT feed_id FROM $table
6012                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
6013
6014                 if (db_num_rows($result) == 1) {
6015                         db_query($link, "UPDATE $table SET
6016                                 value = '$unread', updated = NOW() WHERE
6017                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6018
6019                 } else {
6020                         db_query($link, "INSERT INTO $table
6021                                 (feed_id, value, owner_uid, updated)
6022                                 VALUES
6023                                 ($feed_id, $unread, $owner_uid, NOW())");
6024                 }
6025
6026                 db_query($link, "COMMIT");
6027
6028                 if ($feed_id > 0 && $prev_unread != $unread) {
6029
6030                         if (!$is_cat) {
6031
6032                                 /* Update parent category */
6033
6034                                 if ($update_pcat) {
6035
6036                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
6037                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
6038
6039                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
6040
6041                                         ccache_update($link, $cat_id, $owner_uid, true);
6042
6043                                 }
6044                         }
6045                 } else if ($feed_id < 0) {
6046                         ccache_update_all($link, $owner_uid);
6047                 }
6048
6049                 return $unread;
6050         }
6051
6052         function label_find_id($link, $label, $owner_uid) {
6053                 $result = db_query($link,
6054                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
6055                                 AND owner_uid = '$owner_uid' LIMIT 1");
6056
6057                 if (db_num_rows($result) == 1) {
6058                         return db_fetch_result($result, 0, "id");
6059                 } else {
6060                         return 0;
6061                 }
6062         }
6063
6064         function get_article_labels($link, $id) {
6065                 $result = db_query($link,
6066                         "SELECT DISTINCT label_id,caption,fg_color,bg_color
6067                                 FROM ttrss_labels2, ttrss_user_labels2
6068                         WHERE id = label_id
6069                                 AND article_id = '$id'
6070                                 AND owner_uid = ".$_SESSION["uid"] . "
6071                         ORDER BY caption");
6072
6073                 $rv = array();
6074
6075                 while ($line = db_fetch_assoc($result)) {
6076                         $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
6077                                 $line["bg_color"]);
6078                         array_push($rv, $rk);
6079                 }
6080
6081                 return $rv;
6082         }
6083
6084
6085         function label_find_caption($link, $label, $owner_uid) {
6086                 $result = db_query($link,
6087                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
6088                                 AND owner_uid = '$owner_uid' LIMIT 1");
6089
6090                 if (db_num_rows($result) == 1) {
6091                         return db_fetch_result($result, 0, "caption");
6092                 } else {
6093                         return "";
6094                 }
6095         }
6096
6097         function label_remove_article($link, $id, $label, $owner_uid) {
6098
6099                 $label_id = label_find_id($link, $label, $owner_uid);
6100
6101                 if (!$label_id) return;
6102
6103                 $result = db_query($link,
6104                         "DELETE FROM ttrss_user_labels2
6105                         WHERE
6106                                 label_id = '$label_id' AND
6107                                 article_id = '$id'");
6108         }
6109
6110         function label_add_article($link, $id, $label, $owner_uid) {
6111
6112                 $label_id = label_find_id($link, $label, $owner_uid);
6113
6114                 if (!$label_id) return;
6115
6116                 $result = db_query($link,
6117                         "SELECT
6118                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6119                         WHERE
6120                                 label_id = id AND
6121                                 label_id = '$label_id' AND
6122                                 article_id = '$id' AND owner_uid = '$owner_uid'
6123                         LIMIT 1");
6124
6125                 if (db_num_rows($result) == 0) {
6126                         db_query($link, "INSERT INTO ttrss_user_labels2
6127                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6128                 }
6129         }
6130
6131         function label_remove($link, $id, $owner_uid) {
6132
6133                 db_query($link, "BEGIN");
6134
6135                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6136                         WHERE id = '$id'");
6137
6138                 $caption = db_fetch_result($result, 0, "caption");
6139
6140                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6141                         AND owner_uid = " . $_SESSION["uid"]);
6142
6143                 if (db_affected_rows($link, $result) != 0 && $caption) {
6144
6145                         /* Disable filters that reference label being removed */
6146
6147                         db_query($link, "UPDATE ttrss_filters SET
6148                                 enabled = false WHERE action_param = '$caption'
6149                                         AND action_id = 7
6150                                         AND owner_uid = " . $_SESSION["uid"]);
6151                         }
6152
6153                 db_query($link, "COMMIT");
6154         }
6155
6156         function label_create($link, $caption) {
6157
6158                 db_query($link, "BEGIN");
6159
6160                 $result = false;
6161
6162                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6163                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6164
6165                 if (db_num_rows($result) == 0) {
6166                         $result = db_query($link,
6167                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
6168                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6169
6170                         $result = db_affected_rows($link, $result) != 0;
6171                 }
6172
6173                 db_query($link, "COMMIT");
6174
6175                 return $result;
6176         }
6177
6178         function print_labels_headlines_dropdown($link, $feed_id) {
6179                 print "<li onclick=\"javascript:addLabel()\">
6180                         &nbsp;&nbsp;".__("Create label...")."</li>";
6181
6182                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6183                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6184
6185                 while ($line = db_fetch_assoc($result)) {
6186
6187                         $label_id = $line["id"];
6188                         $label_caption = $line["caption"];
6189
6190                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6191                                 print "<li id=\"LHDL-$id\"
6192                                         onclick=\"javascript:selectionRemoveLabel($label_id)\">
6193                                         &nbsp;&nbsp;$label_caption ".__('(remove)')."</li>";
6194                         } else {
6195                                 print "<li id=\"LHDL-$id\"
6196                                         onclick=\"javascript:selectionAssignLabel($label_id)\">
6197                                         &nbsp;&nbsp;$label_caption</li>";
6198                         }
6199                 }
6200         }
6201
6202         function format_tags_string($tags, $id) {
6203
6204                 $tags_str = "";
6205                 $tags_nolinks_str = "";
6206
6207                 $num_tags = 0;
6208
6209                 if ($_SESSION["theme"] == "3pane") {
6210                         $tag_limit = 3;
6211                 } else {
6212                         $tag_limit = 6;
6213                 }
6214
6215                 $formatted_tags = array();
6216
6217                 foreach ($tags as $tag) {
6218                         $num_tags++;
6219                         $tag_escaped = str_replace("'", "\\'", $tag);
6220
6221                         if (mb_strlen($tag) > 30) {
6222                                 $tag = truncate_string($tag, 30);
6223                         }
6224
6225                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6226
6227                         array_push($formatted_tags, $tag_str);
6228
6229                         $tmp_tags_str = implode(", ", $formatted_tags);
6230
6231                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6232                                 break;
6233                         }
6234                 }
6235
6236                 $tags_str = implode(", ", $formatted_tags);
6237
6238                 if ($num_tags < count($tags)) {
6239                         $tags_str .= ", &hellip;";
6240                 }
6241
6242                 if ($num_tags == 0) {
6243                         $tags_str = __("no tags");
6244                 }
6245
6246                 return $tags_str;
6247
6248         }
6249
6250         function format_article_labels($labels, $id) {
6251
6252                 $labels_str = "";
6253
6254                 foreach ($labels as $l) {
6255                         $labels_str .= sprintf("<span class='hlLabelRef'
6256                                 style='color : %s; background-color : %s'>%s</span>",
6257                                         $l[2], $l[3], $l[1]);
6258                         }
6259
6260                 return $labels_str;
6261
6262         }
6263
6264         function format_article_note($id, $note) {
6265
6266                 $note_escaped = htmlspecialchars($note, ENT_QUOTES);
6267
6268                 $str = "<div class='articleNote'>";
6269                 $str .= $note;
6270                 $str .= "<div class='articleNoteOps'>";
6271                 $str .= "<a href=\"javascript:publishWithNote($id, '$note_escaped')\">".
6272                         __('edit note')."</a>";
6273                 $str .= "</div>";
6274                 $str .= "</div>";
6275
6276                 return $str;
6277         }
6278
6279         function toggle_collapse_cat($link, $cat_id) {
6280                 if ($cat_id > 0) {
6281                         db_query($link, "UPDATE ttrss_feed_categories SET
6282                                 collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " .
6283                                 $_SESSION["uid"]);
6284                 } else {
6285                         $pref_name = '';
6286
6287                         switch ($cat_id) {
6288                         case -1:
6289                                 $pref_name = '_COLLAPSED_SPECIAL';
6290                                 break;
6291                         case -2:
6292                                 $pref_name = '_COLLAPSED_LABELS';
6293                                 break;
6294                         case 0:
6295                                 $pref_name = '_COLLAPSED_UNCAT';
6296                                 break;
6297                         }
6298
6299                         if ($pref_name) {
6300                                 if (get_pref($link, $pref_name)) {
6301                                         set_pref($link, $pref_name, 'false');
6302                                 } else {
6303                                         set_pref($link, $pref_name, 'true');
6304                                 }
6305                         }
6306                 }
6307         }
6308
6309         function remove_feed($link, $id, $owner_uid) {
6310
6311                 if ($id > 0) {
6312
6313                         /* save starred articles in Archived feed */
6314
6315                         db_query($link, "BEGIN");
6316
6317                         /* prepare feed if necessary */
6318
6319                         $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6320                                 WHERE id = '$id'");
6321
6322                         if (db_num_rows($result) == 0) {
6323                                 db_query($link, "INSERT INTO ttrss_archived_feeds
6324                                         (id, owner_uid, title, feed_url, site_url)
6325                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6326                                 WHERE id = '$id'");
6327                         }
6328
6329                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
6330                                 orig_feed_id = '$id' WHERE feed_id = '$id' AND
6331                                         marked = true AND owner_uid = $owner_uid");
6332
6333                         /* remove the feed */
6334
6335                         db_query($link, "DELETE FROM ttrss_feeds
6336                                         WHERE id = '$id' AND owner_uid = $owner_uid");
6337
6338                         db_query($link, "COMMIT");
6339
6340 /*                      if (file_exists(ICONS_DIR . "/$id.ico")) {
6341                                 unlink(ICONS_DIR . "/$id.ico");
6342                         } */
6343
6344                         ccache_remove($link, $id, $owner_uid);
6345
6346                 } else {
6347                         label_remove($link, -11-$id, $owner_uid);
6348                         ccache_remove($link, -11-$id, $owner_uid);
6349                 }
6350         }
6351
6352         function remove_feed_category($link, $id, $owner_uid) {
6353
6354                 db_query($link, "DELETE FROM ttrss_feed_categories
6355                         WHERE id = '$id' AND owner_uid = $owner_uid");
6356
6357                 ccache_remove($link, $id, $owner_uid, true);
6358         }
6359
6360         function archive_article($link, $id, $owner_uid) {
6361                 db_query($link, "BEGIN");
6362
6363                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6364                         WHERE ref_id = '$id' AND owner_uid = $owner_uid");
6365
6366                 if (db_num_rows($result) != 0) {
6367
6368                         /* prepare the archived table */
6369
6370                         $feed_id = (int) db_fetch_result($result, 0, "feed_id");
6371
6372                         if ($feed_id) {
6373                                 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6374                                         WHERE id = '$feed_id'");
6375
6376                                 if (db_num_rows($result) == 0) {
6377                                         db_query($link, "INSERT INTO ttrss_archived_feeds
6378                                                 (id, owner_uid, title, feed_url, site_url)
6379                                         SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6380                                         WHERE id = '$feed_id'");
6381                                 }
6382
6383                                 db_query($link, "UPDATE ttrss_user_entries
6384                                         SET orig_feed_id = feed_id, feed_id = NULL
6385                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6386                         }
6387                 }
6388
6389                 db_query($link, "COMMIT");
6390         }
6391
6392         function getArticleFeed($link, $id) {
6393                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6394                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6395
6396                 if (db_num_rows($result) != 0) {
6397                         return db_fetch_result($result, 0, "feed_id");
6398                 } else {
6399                         return 0;
6400                 }
6401         }
6402
6403         function make_url_from_parts($parts) {
6404                 $url = $parts['scheme'] . '://' . $parts['host'];
6405
6406                 if ($parts['path']) $url .= $parts['path'];
6407                 if ($parts['query']) $url .= '?' . $parts['query'];
6408
6409                 return $url;
6410         }
6411
6412         function validate_feed_url($url) {
6413                 $parts = parse_url($url);
6414
6415                 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
6416
6417         }
6418 ?>