functions.php

   1 <?php
   2
   3 /*      if ($_GET["debug"]) {
   4                 define('DEFAULT_ERROR_LEVEL', E_ALL);
   5         } else {
   6                 define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
   7         } */
   8
   9         require_once 'config.php';
  10
  11         if (DB_TYPE == "pgsql") {
  12                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  13         } else {
  14                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  15         }
  16
  17         /**
  18          * Return available translations names.
  19          *
  20          * @access public
  21          * @return array A array of available translations.
  22          */
  23         function get_translations() {
  24                 $tr = array(
  25                                         "auto"  => "Detect automatically",
  26                                         "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, $ignore_daemon = false) {
 507
 508                 if (!$_GET["daemon"] && !$ignore_daemon) {
 509                         return false;
 510                 }
 511
 512                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 513                         _debug("update_rss_feed: start");
 514                 }
 515
 516                 if (!$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,hidden,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') || $_GET['xdebug']) {
 538                                 _debug("update_rss_feed: feed $feed [$feed_url] NOT FOUND/SKIPPED");
 539                         }
 540                         return false;
 541                 }
 542
 543                 $hidden = sql_bool_to_bool(db_fetch_result($result, 0, "hidden"));
 544                 $update_method = db_fetch_result($result, 0, "update_method");
 545                 $last_updated = db_fetch_result($result, 0, "last_updated");
 546
 547                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 548                         WHERE id = '$feed'");
 549
 550                 $auth_login = db_fetch_result($result, 0, "auth_login");
 551                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 552
 553                 if (ALLOW_SELECT_UPDATE_METHOD) {
 554                         if (ENABLE_SIMPLEPIE) {
 555                                 $use_simplepie = $update_method != 1;
 556                         } else {
 557                                 $use_simplepie = $update_method == 2;
 558                         }
 559                 } else {
 560                         $use_simplepie = ENABLE_SIMPLEPIE;
 561                 }
 562
 563                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 564                         _debug("use simplepie: $use_simplepie (feed setting: $update_method)\n");
 565                 }
 566
 567                 if (!$use_simplepie) {
 568                         $auth_login = urlencode($auth_login);
 569                         $auth_pass = urlencode($auth_pass);
 570                 }
 571
 572                 $update_interval = db_fetch_result($result, 0, "update_interval");
 573                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 574
 575                 if ($update_interval < 0) { return; }
 576
 577                 $feed = db_escape_string($feed);
 578
 579                 $fetch_url = $feed_url;
 580
 581                 if ($auth_login && $auth_pass) {
 582                         $url_parts = array();
 583                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 584
 585                         if ($url_parts[1] && $url_parts[2]) {
 586                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 587                         }
 588
 589                 }
 590
 591                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 592                         _debug("update_rss_feed: fetching [$fetch_url]...");
 593                 }
 594
 595                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_GET['xdebug']) {
 596                         error_reporting(0);
 597                 }
 598
 599                 if (!$use_simplepie) {
 600                         $rss = fetch_rss($fetch_url);
 601                 } else {
 602                         if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 603                                 mkdir(SIMPLEPIE_CACHE_DIR);
 604                         }
 605
 606                         $rss = new SimplePie();
 607                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
 608 #                       $rss->set_timeout(10);
 609                         $rss->set_feed_url($fetch_url);
 610                         $rss->set_output_encoding('UTF-8');
 611
 612                         if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 613                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 614                                         _debug("enabling image cache");
 615                                 }
 616
 617                                 $rss->set_image_handler('./image.php', 'i');
 618                         }
 619
 620                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 621                                 _debug("feed update interval (sec): " .
 622                                         get_feed_update_interval($link, $feed)*60);
 623                         }
 624
 625                         if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 626                                 $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 627                                 $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 628                         }
 629
 630                         $rss->init();
 631                 }
 632
 633 //              print_r($rss);
 634
 635                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 636                         _debug("update_rss_feed: fetch done, parsing...");
 637                 } else {
 638                         error_reporting (DEFAULT_ERROR_LEVEL);
 639                 }
 640
 641                 $feed = db_escape_string($feed);
 642
 643                 if ($use_simplepie) {
 644                         $fetch_ok = !$rss->error();
 645                 } else {
 646                         $fetch_ok = !!$rss;
 647                 }
 648
 649                 if ($fetch_ok) {
 650
 651                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 652                                 _debug("update_rss_feed: processing feed data...");
 653                         }
 654
 655 //                      db_query($link, "BEGIN");
 656
 657                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 658                                 FROM ttrss_feeds WHERE id = '$feed'");
 659
 660                         $registered_title = db_fetch_result($result, 0, "title");
 661                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 662                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 663
 664                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 665
 666                         if ($use_simplepie) {
 667                                 $site_url = $rss->get_link();
 668                         } else {
 669                                 $site_url = $rss->channel["link"];
 670                         }
 671
 672                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
 673                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 674                                         _debug("update_rss_feed: checking favicon...");
 675                                 }
 676
 677                                 check_feed_favicon($site_url, $feed, $link);
 678                         }
 679
 680                         if (!$registered_title || $registered_title == "[Unknown]") {
 681
 682                                 if ($use_simplepie) {
 683                                         $feed_title = db_escape_string($rss->get_title());
 684                                 } else {
 685                                         $feed_title = db_escape_string($rss->channel["title"]);
 686                                 }
 687
 688                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 689                                         _debug("update_rss_feed: registering title: $feed_title");
 690                                 }
 691
 692                                 db_query($link, "UPDATE ttrss_feeds SET
 693                                         title = '$feed_title' WHERE id = '$feed'");
 694                         }
 695
 696                         // weird, weird Magpie
 697                         if (!$use_simplepie) {
 698                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 699                         }
 700
 701                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 702                                 db_query($link, "UPDATE ttrss_feeds SET
 703                                         site_url = '$site_url' WHERE id = '$feed'");
 704                         }
 705
 706 //                      print "I: " . $rss->channel["image"]["url"];
 707
 708                         if (!$use_simplepie) {
 709                                 $icon_url = $rss->image["url"];
 710                         } else {
 711                                 $icon_url = $rss->get_image_url();
 712                         }
 713
 714                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
 715                                 $icon_url = db_escape_string($icon_url);
 716                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 717                         }
 718
 719                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 720                                 _debug("update_rss_feed: loading filters...");
 721                         }
 722
 723                         $filters = load_filters($link, $feed, $owner_uid);
 724
 725                         if ($use_simplepie) {
 726                                 $iterator = $rss->get_items();
 727                         } else {
 728                                 $iterator = $rss->items;
 729                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 730                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 731                         }
 732
 733                         if (!is_array($iterator)) {
 734                                 /* db_query($link, "UPDATE ttrss_feeds
 735                                         SET last_error = 'Parse error: can\'t find any articles.'
 736                                         WHERE id = '$feed'"); */
 737
 738                                 // clear any errors and mark feed as updated if fetched okay
 739                                 // even if it's blank
 740
 741                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 742                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 743                                 }
 744
 745                                 db_query($link, "UPDATE ttrss_feeds
 746                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 747
 748                                 return; // no articles
 749                         }
 750
 751                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 752                                 _debug("update_rss_feed: processing articles...");
 753                         }
 754
 755                         foreach ($iterator as $item) {
 756
 757                                 if ($_GET['xdebug'] == 2) {
 758                                         print_r($item);
 759                                 }
 760
 761                                 if ($use_simplepie) {
 762                                         $entry_guid = $item->get_id();
 763                                         if (!$entry_guid) $entry_guid = $item->get_link();
 764                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 765
 766                                 } else {
 767
 768                                         $entry_guid = $item["id"];
 769
 770                                         if (!$entry_guid) $entry_guid = $item["guid"];
 771                                         if (!$entry_guid) $entry_guid = $item["link"];
 772                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 773                                 }
 774
 775                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 776                                         _debug("update_rss_feed: guid $entry_guid");
 777                                 }
 778
 779                                 if (!$entry_guid) continue;
 780
 781                                 $entry_timestamp = "";
 782
 783                                 if ($use_simplepie) {
 784                                         $entry_timestamp = strtotime($item->get_date());
 785                                 } else {
 786                                         $rss_2_date = $item['pubdate'];
 787                                         $rss_1_date = $item['dc']['date'];
 788                                         $atom_date = $item['issued'];
 789                                         if (!$atom_date) $atom_date = $item['updated'];
 790
 791                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 792                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 793                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 794                                 }
 795
 796                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 797                                         $entry_timestamp = time();
 798                                         $no_orig_date = 'true';
 799                                 } else {
 800                                         $no_orig_date = 'false';
 801                                 }
 802
 803                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 804
 805                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 806                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
 807                                 }
 808
 809                                 if ($use_simplepie) {
 810                                         $entry_title = $item->get_title();
 811                                 } else {
 812                                         $entry_title = trim(strip_tags($item["title"]));
 813                                 }
 814
 815                                 if ($use_simplepie) {
 816                                         $entry_link = $item->get_link();
 817                                 } else {
 818                                         // strange Magpie workaround
 819                                         $entry_link = $item["link_"];
 820                                         if (!$entry_link) $entry_link = $item["link"];
 821                                 }
 822
 823                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 824                                         _debug("update_rss_feed: title $entry_title");
 825                                 }
 826
 827                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 828
 829                                 $entry_link = strip_tags($entry_link);
 830
 831                                 if ($use_simplepie) {
 832                                         $entry_content = $item->get_content();
 833                                         if (!$entry_content) $entry_content = $item->get_description();
 834                                 } else {
 835                                         $entry_content = $item["content:escaped"];
 836
 837                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 838                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 839                                         if (!$entry_content) $entry_content = $item["content"];
 840
 841                                         // Magpie bugs are getting ridiculous
 842                                         if (trim($entry_content) == "Array") $entry_content = false;
 843
 844                                         if (!$entry_content) $entry_content = $item["atom_content"];
 845                                         if (!$entry_content) $entry_content = $item["summary"];
 846
 847                                         if (!$entry_content ||
 848                                                 strlen($entry_content) < strlen($item["description"])) {
 849                                                         $entry_content = $item["description"];
 850                                         };
 851
 852                                         // WTF
 853                                         if (is_array($entry_content)) {
 854                                                 $entry_content = $entry_content["encoded"];
 855                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 856                                         }
 857                                 }
 858
 859                                 if ($_GET["xdebug"] == 2) {
 860                                         print "update_rss_feed: content: ";
 861                                         print_r(htmlspecialchars($entry_content));
 862                                 }
 863
 864                                 $entry_content_unescaped = $entry_content;
 865
 866                                 if ($use_simplepie) {
 867                                         $entry_comments = strip_tags($item->data["comments"]);
 868                                         if ($item->get_author()) {
 869                                                 $entry_author_item = $item->get_author();
 870                                                 $entry_author = $entry_author_item->get_name();
 871                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 872
 873                                                 $entry_author = db_escape_string($entry_author);
 874                                         }
 875                                 } else {
 876                                         $entry_comments = strip_tags($item["comments"]);
 877
 878                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 879
 880                                         if ($item['author']) {
 881
 882                                                 if (is_array($item['author'])) {
 883
 884                                                         if (!$entry_author) {
 885                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 886                                                         }
 887
 888                                                         if (!$entry_author) {
 889                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 890                                                         }
 891                                                 }
 892
 893                                                 if (!$entry_author) {
 894                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 895                                                 }
 896                                         }
 897                                 }
 898
 899                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 900
 901                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 902                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 903
 904                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 905                                         WHERE guid = '$entry_guid'");
 906
 907                                 $entry_content = db_escape_string($entry_content);
 908
 909                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 910
 911                                 $entry_title = db_escape_string($entry_title);
 912                                 $entry_link = db_escape_string($entry_link);
 913                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 914                                 $entry_author = mb_substr($entry_author, 0, 250);
 915
 916                                 if ($use_simplepie) {
 917                                         $num_comments = 0; #FIXME#
 918                                 } else {
 919                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 920                                 }
 921
 922                                 if (!$num_comments) $num_comments = 0;
 923
 924                                 // parse <category> entries into tags
 925
 926                                 if ($use_simplepie) {
 927
 928                                         $additional_tags = array();
 929                                         $additional_tags_src = $item->get_categories();
 930
 931                                         if (is_array($additional_tags_src)) {
 932                                                 foreach ($additional_tags_src as $tobj) {
 933                                                         array_push($additional_tags, $tobj->get_term());
 934                                                 }
 935                                         }
 936
 937                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 938                                                 _debug("update_rss_feed: category tags:");
 939                                                 print_r($additional_tags);
 940                                         }
 941
 942                                 } else {
 943
 944                                         $t_ctr = $item['category#'];
 945
 946                                         $additional_tags = false;
 947
 948                                         if ($t_ctr == 0) {
 949                                                 $additional_tags = false;
 950                                         } else if ($t_ctr > 0) {
 951                                                 $additional_tags = array($item['category']);
 952
 953                                                 if ($item['category@term']) {
 954                                                         array_push($additional_tags, $item['category@term']);
 955                                                 }
 956
 957                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 958                                                         if ($item["category#$i"]) {
 959                                                                 array_push($additional_tags, $item["category#$i"]);
 960                                                         }
 961
 962                                                         if ($item["category#$i@term"]) {
 963                                                                 array_push($additional_tags, $item["category#$i@term"]);
 964                                                         }
 965                                                 }
 966                                         }
 967
 968                                         // parse <dc:subject> elements
 969
 970                                         $t_ctr = $item['dc']['subject#'];
 971
 972                                         if ($t_ctr > 0) {
 973                                                 $additional_tags = array($item['dc']['subject']);
 974
 975                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 976                                                         if ($item['dc']["subject#$i"]) {
 977                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
 978                                                         }
 979                                                 }
 980                                         }
 981                                 }
 982
 983                                 // enclosures
 984
 985                                 $enclosures = array();
 986
 987                                 if ($use_simplepie) {
 988                                         $encs = $item->get_enclosures();
 989
 990                                         if (is_array($encs)) {
 991                                                 foreach ($encs as $e) {
 992                                                         $e_item = array(
 993                                                                 $e->link, $e->type, $e->length);
 994
 995                                                         array_push($enclosures, $e_item);
 996                                                 }
 997                                         }
 998
 999                                 } else {
1000                                         // <enclosure>
1001
1002                                         $e_ctr = $item['enclosure#'];
1003
1004                                         if ($e_ctr > 0) {
1005                                                 $e_item = array($item['enclosure@url'],
1006                                                         $item['enclosure@type'],
1007                                                         $item['enclosure@length']);
1008
1009                                                 array_push($enclosures, $e_item);
1010
1011                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1012
1013                                                         if ($item["enclosure#$i@url"]) {
1014                                                                 $e_item = array($item["enclosure#$i@url"],
1015                                                                         $item["enclosure#$i@type"],
1016                                                                         $item["enclosure#$i@length"]);
1017                                                                 array_push($enclosures, $e_item);
1018                                                         }
1019                                                 }
1020                                         }
1021
1022                                         // <media:content>
1023                                         // can there be many of those? yes -fox
1024
1025                                         $m_ctr = $item['media']['content#'];
1026
1027                                         if ($m_ctr > 0) {
1028                                                 $e_item = array($item['media']['content@url'],
1029                                                         $item['media']['content@medium'],
1030                                                         $item['media']['content@length']);
1031
1032                                                 array_push($enclosures, $e_item);
1033
1034                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1035
1036                                                         if ($item["media"]["content#$i@url"]) {
1037                                                                 $e_item = array($item["media"]["content#$i@url"],
1038                                                                         $item["media"]["content#$i@medium"],
1039                                                                         $item["media"]["content#$i@length"]);
1040                                                                 array_push($enclosures, $e_item);
1041                                                         }
1042                                                 }
1043
1044                                         }
1045                                 }
1046
1047                                 # sanitize content
1048
1049                                 $entry_content = sanitize_article_content($entry_content);
1050                                 $entry_title = sanitize_article_content($entry_title);
1051
1052                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1053                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1054                                 }
1055
1056                                 db_query($link, "BEGIN");
1057
1058                                 if (db_num_rows($result) == 0) {
1059
1060                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1061                                                 _debug("update_rss_feed: base guid not found");
1062                                         }
1063
1064                                         // base post entry does not exist, create it
1065
1066                                         $result = db_query($link,
1067                                                 "INSERT INTO ttrss_entries
1068                                                         (title,
1069                                                         guid,
1070                                                         link,
1071                                                         updated,
1072                                                         content,
1073                                                         content_hash,
1074                                                         no_orig_date,
1075                                                         date_entered,
1076                                                         comments,
1077                                                         num_comments,
1078                                                         author)
1079                                                 VALUES
1080                                                         ('$entry_title',
1081                                                         '$entry_guid',
1082                                                         '$entry_link',
1083                                                         '$entry_timestamp_fmt',
1084                                                         '$entry_content',
1085                                                         '$content_hash',
1086                                                         $no_orig_date,
1087                                                         NOW(),
1088                                                         '$entry_comments',
1089                                                         '$num_comments',
1090                                                         '$entry_author')");
1091                                 } else {
1092                                         // we keep encountering the entry in feeds, so we need to
1093                                         // update date_entered column so that we don't get horrible
1094                                         // dupes when the entry gets purged and reinserted again e.g.
1095                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1096
1097                                         $base_entry_id = db_fetch_result($result, 0, "id");
1098
1099                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
1100                                                 WHERE id = '$base_entry_id'");
1101                                 }
1102
1103                                 // now it should exist, if not - bad luck then
1104
1105                                 $result = db_query($link, "SELECT
1106                                                 id,content_hash,no_orig_date,title,
1107                                                 ".SUBSTRING_FOR_DATE."(date_entered,1,19) as date_entered,
1108                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1109                                                 num_comments
1110                                         FROM
1111                                                 ttrss_entries
1112                                         WHERE guid = '$entry_guid'");
1113
1114                                 $entry_ref_id = 0;
1115                                 $entry_int_id = 0;
1116
1117                                 if (db_num_rows($result) == 1) {
1118
1119                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1120                                                 _debug("update_rss_feed: base guid found, checking for user record");
1121                                         }
1122
1123                                         // this will be used below in update handler
1124                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1125                                         $orig_title = db_fetch_result($result, 0, "title");
1126                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1127                                         $orig_date_entered = strtotime(db_fetch_result($result,
1128                                                 0, "date_entered"));
1129
1130                                         $ref_id = db_fetch_result($result, 0, "id");
1131                                         $entry_ref_id = $ref_id;
1132
1133                                         // check for user post link to main table
1134
1135                                         // do we allow duplicate posts with same GUID in different feeds?
1136                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1137                                                 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
1138                                         } else {
1139                                                 $dupcheck_qpart = "";
1140                                         }
1141
1142 //                                      error_reporting(0);
1143
1144                                         $article_filters = get_article_filters($filters, $entry_title,
1145                                                         $entry_content, $entry_link, $entry_timestamp);
1146
1147                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1148                                                 _debug("update_rss_feed: article filters: ");
1149                                                 if (count($article_filters) != 0) {
1150                                                         print_r($article_filters);
1151                                                 }
1152                                         }
1153
1154                                         if (find_article_filter($article_filters, "filter")) {
1155                                                 db_query($link, "COMMIT"); // close transaction in progress
1156                                                 continue;
1157                                         }
1158
1159 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
1160
1161                                         $score = calculate_article_score($article_filters);
1162
1163                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1164                                                 _debug("update_rss_feed: initial score: $score");
1165                                         }
1166
1167                                         $result = db_query($link,
1168                                                 "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1169                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1170                                                         $dupcheck_qpart");
1171
1172                                         // okay it doesn't exist - create user entry
1173                                         if (db_num_rows($result) == 0) {
1174
1175                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1176                                                         _debug("update_rss_feed: user record not found, creating...");
1177                                                 }
1178
1179                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1180                                                         $unread = 'true';
1181                                                         $last_read_qpart = 'NULL';
1182                                                 } else {
1183                                                         $unread = 'false';
1184                                                         $last_read_qpart = 'NOW()';
1185                                                 }
1186
1187                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1188                                                         $marked = 'true';
1189                                                 } else {
1190                                                         $marked = 'false';
1191                                                 }
1192
1193                                                 if (find_article_filter($article_filters, 'publish')) {
1194                                                         $published = 'true';
1195                                                 } else {
1196                                                         $published = 'false';
1197                                                 }
1198
1199                                                 $result = db_query($link,
1200                                                         "INSERT INTO ttrss_user_entries
1201                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1202                                                                         published, score)
1203                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1204                                                                 $last_read_qpart, $marked, $published, '$score')");
1205
1206                                                 $result = db_query($link,
1207                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1208                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1209                                                                 feed_id = '$feed' LIMIT 1");
1210
1211                                                 if (db_num_rows($result) == 1) {
1212                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1213                                                 }
1214                                         } else {
1215                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1216                                                         _debug("update_rss_feed: user record FOUND");
1217                                                 }
1218
1219                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1220                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1221                                         }
1222
1223                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1224                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1225                                         }
1226
1227                                         $post_needs_update = false;
1228
1229                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1230                                                 ($content_hash != $orig_content_hash)) {
1231 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1232                                                 $post_needs_update = true;
1233                                         }
1234
1235                                         if (db_escape_string($orig_title) != $entry_title) {
1236                                                 $post_needs_update = true;
1237                                         }
1238
1239                                         if ($orig_num_comments != $num_comments) {
1240                                                 $post_needs_update = true;
1241                                         }
1242
1243 //                                      this doesn't seem to be very reliable
1244 //
1245 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1246 //                                              $post_needs_update = true;
1247 //                                      }
1248
1249                                         // if post needs update, update it and mark all user entries
1250                                         // linking to this post as updated
1251                                         if ($post_needs_update) {
1252
1253                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1254                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1255                                                 }
1256
1257 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1258
1259                                                 db_query($link, "UPDATE ttrss_entries
1260                                                         SET title = '$entry_title', content = '$entry_content',
1261                                                                 content_hash = '$content_hash',
1262                                                                 num_comments = '$num_comments'
1263                                                         WHERE id = '$ref_id'");
1264
1265                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1266                                                         db_query($link, "UPDATE ttrss_user_entries
1267                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1268                                                 } else {
1269                                                         db_query($link, "UPDATE ttrss_user_entries
1270                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1271                                                 }
1272
1273                                         }
1274                                 }
1275
1276                                 db_query($link, "COMMIT");
1277
1278                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1279                                         _debug("update_rss_feed: assigning labels...");
1280                                 }
1281
1282                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1283                                         $owner_uid);
1284
1285                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1286                                         _debug("update_rss_feed: looking for enclosures...");
1287                                 }
1288
1289                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1290                                         print_r($enclosures);
1291                                 }
1292
1293                                 db_query($link, "BEGIN");
1294
1295                                 foreach ($enclosures as $enc) {
1296                                         $enc_url = db_escape_string($enc[0]);
1297                                         $enc_type = db_escape_string($enc[1]);
1298                                         $enc_dur = db_escape_string($enc[2]);
1299
1300                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1301                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1302
1303                                         if (db_num_rows($result) == 0) {
1304                                                 db_query($link, "INSERT INTO ttrss_enclosures
1305                                                         (content_url, content_type, title, duration, post_id) VALUES
1306                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1307                                         }
1308                                 }
1309
1310                                 db_query($link, "COMMIT");
1311
1312                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1313                                         _debug("update_rss_feed: looking for tags...");
1314                                 }
1315
1316                                 /* taaaags */
1317                                 // <a href="..." rel="tag">Xorg</a>, //
1318
1319                                 $entry_tags = null;
1320
1321                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
1322                                         $entry_content_unescaped, $entry_tags);
1323
1324 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1325                                 print_r($entry_tags);
1326                                 print "<br/></p>"; */
1327
1328                                 $entry_tags = $entry_tags[1];
1329
1330                                 # check for manual tags
1331
1332                                 $tag_filter = find_article_filter($article_filters, "tag");
1333
1334                                 if ($tag_filter) {
1335
1336                                         $manual_tags = trim_array(split(",", $tag_filter[1]));
1337
1338                                         foreach ($manual_tags as $tag) {
1339                                                 if (tag_is_valid($tag)) {
1340                                                         array_push($entry_tags, $tag);
1341                                                 }
1342                                         }
1343                                 }
1344
1345                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1346                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1347
1348                                 if ($additional_tags && is_array($additional_tags)) {
1349                                         foreach ($additional_tags as $tag) {
1350                                                 if (tag_is_valid($tag) &&
1351                                                                 array_search($tag, $boring_tags) === FALSE) {
1352                                                         array_push($entry_tags, $tag);
1353                                                 }
1354                                         }
1355                                 }
1356
1357 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1358
1359                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1360                                         print_r($entry_tags);
1361                                 }
1362
1363                                 if (count($entry_tags) > 0) {
1364
1365                                         db_query($link, "BEGIN");
1366
1367                                                 foreach ($entry_tags as $tag) {
1368
1369                                                         $tag = sanitize_tag($tag);
1370                                                         $tag = db_escape_string($tag);
1371
1372                                                         if (!tag_is_valid($tag)) continue;
1373
1374                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
1375                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1376                                                                 owner_uid = '$owner_uid' LIMIT 1");
1377
1378         //                                              print db_fetch_result($result, 0, "id");
1379
1380                                                         if ($result && db_num_rows($result) == 0) {
1381
1382                                                                 db_query($link, "INSERT INTO ttrss_tags
1383                                                                         (owner_uid,tag_name,post_int_id)
1384                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1385                                                         }
1386                                                 }
1387
1388                                         db_query($link, "COMMIT");
1389                                 }
1390
1391                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1392                                         _debug("update_rss_feed: article processed");
1393                                 }
1394                         }
1395
1396                         if (!$last_updated) {
1397                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1398                                         _debug("update_rss_feed: new feed, catching it up...");
1399                                 }
1400                                 catchup_feed($link, $feed, false, $owner_uid);
1401                         }
1402
1403                         if (!$hidden) {
1404                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1405                                         _debug("update_rss_feed: updating counters cache...");
1406                                 }
1407
1408                                 // disabled, purge_feed() does that...
1409                                 //ccache_update($link, $feed, $owner_uid);
1410                         }
1411
1412                         purge_feed($link, $feed, 0);
1413
1414                         db_query($link, "UPDATE ttrss_feeds
1415                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1416
1417 //                      db_query($link, "COMMIT");
1418
1419                 } else {
1420
1421                         if ($use_simplepie) {
1422                                 $error_msg = mb_substr($rss->error(), 0, 250);
1423                         } else {
1424                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1425                         }
1426
1427                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1428                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1429                         }
1430
1431                         $error_msg = db_escape_string($error_msg);
1432
1433                         db_query($link,
1434                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1435                                         last_updated = NOW() WHERE id = '$feed'");
1436                 }
1437
1438                 if ($use_simplepie) {
1439                         unset($rss);
1440                 }
1441
1442                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1443                         _debug("update_rss_feed: done");
1444                 }
1445
1446         }
1447
1448         function print_select($id, $default, $values, $attributes = "") {
1449                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1450                 foreach ($values as $v) {
1451                         if ($v == $default)
1452                                 $sel = " selected";
1453                          else
1454                                 $sel = "";
1455
1456                         print "<option$sel>$v</option>";
1457                 }
1458                 print "</select>";
1459         }
1460
1461         function print_select_hash($id, $default, $values, $attributes = "") {
1462                 print "<select name=\"$id\" id='$id' $attributes>";
1463                 foreach (array_keys($values) as $v) {
1464                         if ($v == $default)
1465                                 $sel = 'selected="selected"';
1466                          else
1467                                 $sel = "";
1468
1469                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1470                 }
1471
1472                 print "</select>";
1473         }
1474
1475         function get_article_filters($filters, $title, $content, $link, $timestamp) {
1476                 $matches = array();
1477
1478                 if ($filters["title"]) {
1479                         foreach ($filters["title"] as $filter) {
1480                                 $reg_exp = $filter["reg_exp"];
1481                                 $inverse = $filter["inverse"];
1482                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
1483                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1484
1485                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1486                                 }
1487                         }
1488                 }
1489
1490                 if ($filters["content"]) {
1491                         foreach ($filters["content"] as $filter) {
1492                                 $reg_exp = $filter["reg_exp"];
1493                                 $inverse = $filter["inverse"];
1494
1495                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
1496                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1497
1498                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1499                                 }
1500                         }
1501                 }
1502
1503                 if ($filters["both"]) {
1504                         foreach ($filters["both"] as $filter) {
1505                                 $reg_exp = $filter["reg_exp"];
1506                                 $inverse = $filter["inverse"];
1507
1508                                 if ($inverse) {
1509                                         if (!preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1510                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1511                                         }
1512                                 } else {
1513                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1514                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1515                                         }
1516                                 }
1517                         }
1518                 }
1519
1520                 if ($filters["link"]) {
1521                         $reg_exp = $filter["reg_exp"];
1522                         foreach ($filters["link"] as $filter) {
1523                                 $reg_exp = $filter["reg_exp"];
1524                                 $inverse = $filter["inverse"];
1525
1526                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1527                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1528
1529                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1530                                 }
1531                         }
1532                 }
1533
1534                 if ($filters["date"]) {
1535                         $reg_exp = $filter["reg_exp"];
1536                         foreach ($filters["date"] as $filter) {
1537                                 $date_modifier = $filter["filter_param"];
1538                                 $inverse = $filter["inverse"];
1539                                 $check_timestamp = strtotime($filter["reg_exp"]);
1540
1541                                 # no-op when timestamp doesn't parse to prevent misfires
1542
1543                                 if ($check_timestamp) {
1544                                         $match_ok = false;
1545
1546                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1547                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1548                                                         $match_ok = true;
1549                                         }
1550
1551                                         if ($inverse) $match_ok = !$match_ok;
1552
1553                                         if ($match_ok) {
1554                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1555                                         }
1556                                 }
1557                         }
1558                 }
1559
1560                 return $matches;
1561         }
1562
1563         function find_article_filter($filters, $filter_name) {
1564                 foreach ($filters as $f) {
1565                         if ($f[0] == $filter_name) {
1566                                 return $f;
1567                         };
1568                 }
1569                 return false;
1570         }
1571
1572         function calculate_article_score($filters) {
1573                 $score = 0;
1574
1575                 foreach ($filters as $f) {
1576                         if ($f[0] == "score") {
1577                                 $score += $f[1];
1578                         };
1579                 }
1580                 return $score;
1581         }
1582
1583         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1584                 foreach ($filters as $f) {
1585                         if ($f[0] == "label") {
1586                                 label_add_article($link, $id, $f[1], $owner_uid);
1587                         };
1588                 }
1589         }
1590
1591         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1592                 $rtl_content = false, $last_updated = false, $last_error = false,
1593                 $fg_content = false, $bg_content = false) {
1594
1595                 if (!$feed_title) $feed_title = getFeedTitle($link, $feed_id, false);
1596
1597                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1598                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1599                 } else {
1600                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1601                 }
1602
1603                 if ($rtl_content) {
1604                         $rtl_tag = "dir=\"rtl\"";
1605                 } else {
1606                         $rtl_tag = "dir=\"ltr\"";
1607                 }
1608
1609                 $error_notify_msg = "";
1610
1611                 if ($last_error) {
1612                         $link_title = "Error: $last_error ($last_updated)";
1613                         $error_notify_msg = "(Error)";
1614                 } else if ($last_updated) {
1615                         $link_title = "Updated: $last_updated";
1616                 }
1617
1618                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\"
1619                         href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
1620
1621 /*              if ($feed_id < -10) {
1622                         $bg_color = "#00ccff";
1623                         $fg_color = "white";
1624                 }
1625
1626                 if ($fg_color || $bg_color) {
1627                         $color_str = "<div class='labelColorIndicator'
1628                                 style='color : $fg_color; background-color : $bg_color'>l</div>";
1629                 }
1630
1631                 print $color_str; */
1632
1633                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1634                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1635                         print "$feed_icon";
1636                 }
1637
1638                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1639
1640                 if ($unread != 0) {
1641                         $fctr_class = "class=\"feedCtrHasUnread\"";
1642                 } else {
1643                         $fctr_class = "class=\"feedCtrNoUnread\"";
1644                 }
1645
1646                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1647                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1648
1649                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1650                         $total = getFeedArticles($link, $feed_id);
1651                         print "<div class=\"feedExtInfo\">
1652                                 <span id=\"FLUPD-$feed_id\">$last_updated ($total total) $error_notify_msg</span></div>";
1653                 }
1654
1655                 print "</li>";
1656
1657         }
1658
1659         function getmicrotime() {
1660                 list($usec, $sec) = explode(" ",microtime());
1661                 return ((float)$usec + (float)$sec);
1662         }
1663
1664         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1665                 foreach ($values as $v) {
1666
1667                         if ($v == $default)
1668                                 $sel = "checked";
1669                          else
1670                                 $sel = "";
1671
1672                         if ($v == $true_is) {
1673                                 $sel .= " value=\"1\"";
1674                         } else {
1675                                 $sel .= " value=\"0\"";
1676                         }
1677
1678                         print "<input class=\"noborder\"
1679                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1680
1681                 }
1682         }
1683
1684         function initialize_user_prefs($link, $uid) {
1685
1686                 $uid = db_escape_string($uid);
1687
1688                 db_query($link, "BEGIN");
1689
1690                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1691
1692                 $u_result = db_query($link, "SELECT pref_name
1693                         FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
1694
1695                 $active_prefs = array();
1696
1697                 while ($line = db_fetch_assoc($u_result)) {
1698                         array_push($active_prefs, $line["pref_name"]);
1699                 }
1700
1701                 while ($line = db_fetch_assoc($result)) {
1702                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1703 //                              print "adding " . $line["pref_name"] . "<br>";
1704
1705                                 db_query($link, "INSERT INTO ttrss_user_prefs
1706                                         (owner_uid,pref_name,value) VALUES
1707                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1708
1709                         }
1710                 }
1711
1712                 db_query($link, "COMMIT");
1713
1714         }
1715
1716         function lookup_user_id($link, $user) {
1717
1718                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1719                         login = '$login'");
1720
1721                 if (db_num_rows($result) == 1) {
1722                         return db_fetch_result($result, 0, "id");
1723                 } else {
1724                         return false;
1725                 }
1726         }
1727
1728         function http_authenticate_user($link) {
1729
1730 //              error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1731
1732                 if (!$_SERVER["PHP_AUTH_USER"]) {
1733
1734                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1735                         header('HTTP/1.0 401 Unauthorized');
1736                         exit;
1737
1738                 } else {
1739                         $auth_result = authenticate_user($link,
1740                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1741
1742                         if (!$auth_result) {
1743                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1744                                 header('HTTP/1.0 401 Unauthorized');
1745                                 exit;
1746                         }
1747                 }
1748
1749                 return true;
1750         }
1751
1752         function authenticate_user($link, $login, $password, $force_auth = false) {
1753
1754                 if (!SINGLE_USER_MODE) {
1755
1756                         $pwd_hash1 = encrypt_password($password);
1757                         $pwd_hash2 = encrypt_password($password, $login);
1758                         $login = db_escape_string($login);
1759
1760                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1761                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1762
1763                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1764
1765                                 $query = "SELECT id,login,access_level,pwd_hash
1766                     FROM ttrss_users WHERE
1767                                         login = '$login'";
1768
1769                         } else {
1770                                 $query = "SELECT id,login,access_level,pwd_hash
1771                     FROM ttrss_users WHERE
1772                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1773                                                 pwd_hash = '$pwd_hash2')";
1774                         }
1775
1776                         $result = db_query($link, $query);
1777
1778                         if (db_num_rows($result) == 1) {
1779                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1780                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1781                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1782
1783                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1784                                         $_SESSION["uid"]);
1785
1786                                 $user_theme = get_user_theme_path($link);
1787
1788                                 $_SESSION["theme"] = $user_theme;
1789                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1790                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1791
1792                                 initialize_user_prefs($link, $_SESSION["uid"]);
1793
1794                                 return true;
1795                         }
1796
1797                         return false;
1798
1799                 } else {
1800
1801                         $_SESSION["uid"] = 1;
1802                         $_SESSION["name"] = "admin";
1803
1804                         $user_theme = get_user_theme_path($link);
1805
1806                         $_SESSION["theme"] = $user_theme;
1807                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1808
1809                         initialize_user_prefs($link, $_SESSION["uid"]);
1810
1811                         return true;
1812                 }
1813         }
1814
1815         function make_password($length = 8) {
1816
1817                 $password = "";
1818                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1819
1820         $i = 0;
1821
1822                 while ($i < $length) {
1823                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1824
1825                         if (!strstr($password, $char)) {
1826                                 $password .= $char;
1827                                 $i++;
1828                         }
1829                 }
1830                 return $password;
1831         }
1832
1833         // this is called after user is created to initialize default feeds, labels
1834         // or whatever else
1835
1836         // user preferences are checked on every login, not here
1837
1838         function initialize_user($link, $uid) {
1839
1840 /*              db_query($link, "INSERT INTO ttrss_labels2 (owner_uid, caption)
1841                         VALUES ('$uid', 'All Articles')");
1842
1843                 db_query($link, "INSERT INTO ttrss_filters
1844                         (owner_uid, feed_id, filter_type, reg_exp, enabled,
1845                                 action_id, action_param, filter_param)
1846                         VALUES ('$uid', NULL, 1, '.', true, 7, 'All Articles', 'before')"); */
1847
1848                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1849                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1850                         'http://tt-rss.org/releases.rss')");
1851
1852                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1853                         values ('$uid', 'Tiny Tiny RSS: Forum',
1854                         'http://tt-rss.org/forum/rss.php')");
1855         }
1856
1857         function logout_user() {
1858                 session_destroy();
1859                 if (isset($_COOKIE[session_name()])) {
1860                    setcookie(session_name(), '', time()-42000, '/');
1861                 }
1862         }
1863
1864         function get_script_urlpath() {
1865                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1866         }
1867
1868         function validate_session($link) {
1869                 if (SINGLE_USER_MODE) {
1870                         return true;
1871                 }
1872
1873                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1874                         if ($_SESSION["ip_address"]) {
1875                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1876                                         $_SESSION["login_error_msg"] = __("Session failed to validate (incorrect IP)");
1877                                         return false;
1878                                 }
1879                         }
1880                 }
1881
1882                 if ($_SESSION["uid"]) {
1883
1884                         $result = db_query($link,
1885                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1886
1887                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1888
1889                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1890                                 return false;
1891                         }
1892                 }
1893
1894 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1895
1896                         //print_r($_SESSION);
1897
1898                         if (time() > $_SESSION["cookie_lifetime"]) {
1899                                 return false;
1900                         }
1901                 } */
1902
1903                 return true;
1904         }
1905
1906         function login_sequence($link, $mobile = false) {
1907                 if (!SINGLE_USER_MODE) {
1908
1909                         if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1910                                 $swu = db_escape_string($_REQUEST["swu"]);
1911                                 if ($swu) {
1912                                         $_SESSION["prefs_cache"] = false;
1913                                         return authenticate_user($link, $swu, null, true);
1914                                 }
1915                         }
1916
1917                         $login_action = $_POST["login_action"];
1918
1919                         # try to authenticate user if called from login form
1920                         if ($login_action == "do_login") {
1921                                 $login = $_POST["login"];
1922                                 $password = $_POST["password"];
1923                                 $remember_me = $_POST["remember_me"];
1924
1925                                 if (authenticate_user($link, $login, $password)) {
1926                                         $_POST["password"] = "";
1927
1928                                         $_SESSION["language"] = $_POST["language"];
1929                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
1930
1931                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1932                                         exit;
1933
1934                                         return;
1935                                 } else {
1936                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
1937                                 }
1938                         }
1939
1940                         if (!$_SESSION["uid"] || !validate_session($link)) {
1941                                 render_login_form($link, $mobile);
1942                                 //header("Location: login.php");
1943                                 exit;
1944                         } else {
1945                                 /* bump login timestamp */
1946                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1947                                         $_SESSION["uid"]);
1948
1949                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1950                                         setcookie("ttrss_lang", $_SESSION["language"],
1951                                                 time() + SESSION_COOKIE_LIFETIME);
1952                                 }
1953
1954                                 /* bump counters stamp since we're getting reloaded anyway */
1955
1956                                 $_SESSION["get_all_counters_stamp"] = time();
1957                         }
1958
1959                 } else {
1960                         return authenticate_user($link, "admin", null);
1961                 }
1962         }
1963
1964         function truncate_string($str, $max_len) {
1965                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1966                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
1967                 } else {
1968                         return $str;
1969                 }
1970         }
1971
1972         function get_user_theme_path($link) {
1973                 $result = db_query($link, "SELECT theme_path
1974                         FROM
1975                                 ttrss_themes,ttrss_users
1976                         WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1977                 if (db_num_rows($result) != 0) {
1978                         return db_fetch_result($result, 0, "theme_path");
1979                 } else {
1980                         return null;
1981                 }
1982         }
1983
1984         function smart_date_time($timestamp) {
1985                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1986                         return date("G:i", $timestamp);
1987                 } else if (date("Y", $timestamp) == date("Y")) {
1988                         return date("M d, G:i", $timestamp);
1989                 } else {
1990                         return date("Y/m/d, G:i", $timestamp);
1991                 }
1992         }
1993
1994         function smart_date($timestamp) {
1995                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1996                         return "Today";
1997                 } else if (date("Y", $timestamp) == date("Y")) {
1998                         return date("D m", $timestamp);
1999                 } else {
2000                         return date("Y/m/d", $timestamp);
2001                 }
2002         }
2003
2004         function sql_bool_to_string($s) {
2005                 if ($s == "t" || $s == "1") {
2006                         return "true";
2007                 } else {
2008                         return "false";
2009                 }
2010         }
2011
2012         function sql_bool_to_bool($s) {
2013                 if ($s == "t" || $s == "1") {
2014                         return true;
2015                 } else {
2016                         return false;
2017                 }
2018         }
2019
2020         function bool_to_sql_bool($s) {
2021                 if ($s) {
2022                         return "true";
2023                 } else {
2024                         return "false";
2025                 }
2026         }
2027
2028         function toggleEvenOdd($a) {
2029                 if ($a == "even")
2030                         return "odd";
2031                 else
2032                         return "even";
2033         }
2034
2035         function sanity_check($link) {
2036
2037                 error_reporting(0);
2038
2039                 $error_code = 0;
2040                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2041                 $schema_version = db_fetch_result($result, 0, "schema_version");
2042
2043                 if ($schema_version != SCHEMA_VERSION) {
2044                         $error_code = 5;
2045                 }
2046
2047                 if (DB_TYPE == "mysql") {
2048                         $result = db_query($link, "SELECT true", false);
2049                         if (db_num_rows($result) != 1) {
2050                                 $error_code = 10;
2051                         }
2052                 }
2053
2054                 if (db_escape_string("testTEST") != "testTEST") {
2055                         $error_code = 12;
2056                 }
2057
2058                 error_reporting (DEFAULT_ERROR_LEVEL);
2059
2060                 if ($error_code != 0) {
2061                         print_error_xml($error_code);
2062                         return false;
2063                 } else {
2064                         return true;
2065                 }
2066         }
2067
2068         function file_is_locked($filename) {
2069                 if (function_exists('flock')) {
2070                         error_reporting(0);
2071                         $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2072                         error_reporting(DEFAULT_ERROR_LEVEL);
2073                         if ($fp) {
2074                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2075                                         flock($fp, LOCK_UN);
2076                                         fclose($fp);
2077                                         return false;
2078                                 }
2079                                 fclose($fp);
2080                                 return true;
2081                         } else {
2082                                 return false;
2083                         }
2084                 }
2085                 return true; // consider the file always locked and skip the test
2086         }
2087
2088         function make_lockfile($filename) {
2089                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2090
2091                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2092                         return $fp;
2093                 } else {
2094                         return false;
2095                 }
2096         }
2097
2098         function make_stampfile($filename) {
2099                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2100
2101                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2102                         fwrite($fp, time() . "\n");
2103                         flock($fp, LOCK_UN);
2104                         fclose($fp);
2105                         return true;
2106                 } else {
2107                         return false;
2108                 }
2109         }
2110
2111         function read_stampfile($filename) {
2112
2113                 error_reporting(0);
2114                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2115                 error_reporting (DEFAULT_ERROR_LEVEL);
2116
2117                 if ($fp) {
2118                         if (flock($fp, LOCK_EX)) {
2119                                 $stamp = fgets($fp);
2120                                 flock($fp, LOCK_UN);
2121                                 fclose($fp);
2122                                 return $stamp;
2123                         } else {
2124                                 return false;
2125                         }
2126                 } else {
2127                         return false;
2128                 }
2129         }
2130
2131         function sql_random_function() {
2132                 if (DB_TYPE == "mysql") {
2133                         return "RAND()";
2134                 } else {
2135                         return "RANDOM()";
2136                 }
2137         }
2138
2139         function catchup_feed($link, $feed, $cat_view, $owner_uid) {
2140
2141                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2142
2143                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2144
2145                                 if ($cat_view) {
2146
2147                                         if ($feed >= 0) {
2148
2149                                                 if ($feed > 0) {
2150                                                         $cat_qpart = "cat_id = '$feed'";
2151                                                 } else {
2152                                                         $cat_qpart = "cat_id IS NULL";
2153                                                 }
2154
2155                                                 $tmp_result = db_query($link, "SELECT id
2156                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2157
2158                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2159
2160                                                         $tmp_feed = $tmp_line["id"];
2161
2162                                                         db_query($link, "UPDATE ttrss_user_entries
2163                                                                 SET unread = false,last_read = NOW()
2164                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2165                                                 }
2166                                         } else if ($feed == -2) {
2167
2168
2169                                                 db_query($link, "UPDATE ttrss_user_entries
2170                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
2171                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
2172                                                         AND unread = true AND owner_uid = $owner_uid");
2173                                         }
2174
2175                                 } else if ($feed > 0) {
2176
2177                                         $tmp_result = db_query($link, "SELECT id
2178                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2179                                                 ORDER BY cat_id,title");
2180
2181                                         $parent_ids = array();
2182
2183                                         if (db_num_rows($tmp_result) > 0) {
2184                                                 while ($p = db_fetch_assoc($tmp_result)) {
2185                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2186                                                 }
2187
2188                                                 $children_qpart = implode(" OR ", $parent_ids);
2189
2190                                                 db_query($link, "UPDATE ttrss_user_entries
2191                                                         SET unread = false,last_read = NOW()
2192                                                         WHERE (feed_id = '$feed' OR $children_qpart)
2193                                                         AND owner_uid = $owner_uid");
2194
2195                                         } else {
2196                                                 db_query($link, "UPDATE ttrss_user_entries
2197                                                         SET unread = false,last_read = NOW()
2198                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2199                                         }
2200
2201                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2202
2203                                         if ($feed == -1) {
2204                                                 db_query($link, "UPDATE ttrss_user_entries
2205                                                         SET unread = false,last_read = NOW()
2206                                                         WHERE marked = true AND owner_uid = $owner_uid");
2207                                         }
2208
2209                                         if ($feed == -2) {
2210                                                 db_query($link, "UPDATE ttrss_user_entries
2211                                                         SET unread = false,last_read = NOW()
2212                                                         WHERE published = true AND owner_uid = $owner_uid");
2213                                         }
2214
2215                                         if ($feed == -3) {
2216
2217                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2218
2219                                                 if (DB_TYPE == "pgsql") {
2220                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2221                                                 } else {
2222                                                         $match_part = "updated > DATE_SUB(NOW(),
2223                                                                 INTERVAL $intl HOUR) ";
2224                                                 }
2225
2226                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2227                                                         ttrss_user_entries WHERE $match_part AND
2228                                                         unread = true AND
2229                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2230                                                         owner_uid = $owner_uid");
2231
2232                                                 $affected_ids = array();
2233
2234                                                 while ($line = db_fetch_assoc($result)) {
2235                                                         array_push($affected_ids, $line["id"]);
2236                                                 }
2237
2238                                                 catchupArticlesById($link, $affected_ids, 0);
2239                                         }
2240
2241                                         if ($feed == -4) {
2242                                                 db_query($link, "UPDATE ttrss_user_entries
2243                                                         SET unread = false,last_read = NOW()
2244                                                         WHERE owner_uid = $owner_uid");
2245                                         }
2246
2247                                 } else if ($feed < -10) { // label
2248
2249                                         $label_id = -$feed - 11;
2250
2251                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2252                                                 SET unread = false, last_read = NOW()
2253                                                         WHERE label_id = '$label_id' AND unread = true
2254                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2255
2256                                 }
2257
2258                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2259
2260                         } else { // tag
2261                                 db_query($link, "BEGIN");
2262
2263                                 $tag_name = db_escape_string($feed);
2264
2265                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2266                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2267
2268                                 while ($line = db_fetch_assoc($result)) {
2269                                         db_query($link, "UPDATE ttrss_user_entries SET
2270                                                 unread = false, last_read = NOW()
2271                                                 WHERE int_id = " . $line["post_int_id"]);
2272                                 }
2273                                 db_query($link, "COMMIT");
2274                         }
2275         }
2276
2277         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2278                         if ($cat_view) {
2279
2280                                 if ($feed > 0) {
2281                                         $cat_qpart = "cat_id = '$feed'";
2282                                 } else {
2283                                         $cat_qpart = "cat_id IS NULL";
2284                                 }
2285
2286                                 $tmp_result = db_query($link, "SELECT id,feed_url FROM ttrss_feeds
2287                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2288
2289                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2290                                         $feed_url = $tmp_line["feed_url"];
2291                                         $feed_id = $tmp_line["id"];
2292                                         update_rss_feed($link, $feed_url, $feed_id, $force_update);
2293                                 }
2294
2295                         } else {
2296                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
2297                                         WHERE id = '$feed'");
2298                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
2299                                 update_rss_feed($link, $feed_url, $feed, $force_update);
2300                         }
2301         }
2302
2303         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2304
2305                 if (!$omode) $omode = "flc";
2306
2307                 getGlobalCounters($link);
2308
2309                 if (strchr($omode, "l")) getLabelCounters($link);
2310                 if (strchr($omode, "f")) getFeedCounters($link, SMART_RPC_COUNTERS, $active_feed);
2311                 if (strchr($omode, "t")) getTagCounters($link);
2312                 if (strchr($omode, "c")) {
2313                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2314                                 getCategoryCounters($link);
2315                         }
2316                 }
2317         }
2318
2319         function getCategoryCounters($link) {
2320                 # two special categories are -1 and -2 (all virtuals; all labels)
2321
2322 /*              $ctr = getCategoryUnread($link, -1);
2323
2324                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>"; */
2325
2326                 $ctr = getCategoryUnread($link, -2);
2327
2328                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
2329
2330                 $age_qpart = getMaxAgeSubquery();
2331
2332                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2333                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2334                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2335                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2336
2337                 while ($line = db_fetch_assoc($result)) {
2338                         $line["cat_id"] = sprintf("%d", $line["cat_id"]);
2339
2340                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
2341                                 $line["unread"]."\"/>";
2342                 }
2343
2344                 /* Special case: NULL category doesn't actually exist in the DB */
2345
2346                 print "<counter type=\"category\" id=\"0\" counter=\"".
2347                         ccache_find($link, 0, $_SESSION["uid"], true)."\"/>";
2348
2349         }
2350
2351         function getCategoryUnread($link, $cat, $owner_uid = false) {
2352
2353                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2354
2355                 if ($cat >= 0) {
2356
2357                         if ($cat != 0) {
2358                                 $cat_query = "cat_id = '$cat'";
2359                         } else {
2360                                 $cat_query = "cat_id IS NULL";
2361                         }
2362
2363                         $age_qpart = getMaxAgeSubquery();
2364
2365                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2366                                         AND hidden = false
2367                                         AND owner_uid = " . $owner_uid);
2368
2369                         $cat_feeds = array();
2370                         while ($line = db_fetch_assoc($result)) {
2371                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2372                         }
2373
2374                         if (count($cat_feeds) == 0) return 0;
2375
2376                         $match_part = implode(" OR ", $cat_feeds);
2377
2378                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2379                                 FROM ttrss_user_entries,ttrss_entries
2380                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2381                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2382
2383                         $unread = 0;
2384
2385                         # this needs to be rewritten
2386                         while ($line = db_fetch_assoc($result)) {
2387                                 $unread += $line["unread"];
2388                         }
2389
2390                         return $unread;
2391                 } else if ($cat == -1) {
2392                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3);
2393                 } else if ($cat == -2) {
2394
2395                         $result = db_query($link, "
2396                                 SELECT COUNT(unread) AS unread FROM
2397                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2398                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2399                                         ttrss_labels2.owner_uid = '$owner_uid'
2400                                         AND unread = true AND hidden = false AND feed_id = ttrss_feeds.id
2401                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2402
2403                         $unread = db_fetch_result($result, 0, "unread");
2404
2405                         return $unread;
2406
2407                 }
2408         }
2409
2410         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2411                 if (DB_TYPE == "pgsql") {
2412                         return "ttrss_entries.date_entered >
2413                                 NOW() - INTERVAL '$days days'";
2414                 } else {
2415                         return "ttrss_entries.date_entered >
2416                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2417                 }
2418         }
2419
2420         function getFeedUnread($link, $feed, $is_cat = false) {
2421                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2422         }
2423
2424         function getLabelUnread($link, $label_id, $owner_uid = false) {
2425                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2426
2427                 $result = db_query($link, "
2428                         SELECT COUNT(unread) AS unread FROM
2429                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2430                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2431                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2432                                 AND unread = true AND hidden = false AND feed_id = ttrss_feeds.id
2433                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2434
2435                 if (db_num_rows($result) != 0) {
2436                         return db_fetch_result($result, 0, "unread");
2437                 } else {
2438                         return 0;
2439                 }
2440         }
2441
2442         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2443                 $owner_uid = false) {
2444
2445                 $n_feed = sprintf("%d", $feed);
2446
2447                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2448
2449                 if ($unread_only) {
2450                         $unread_qpart = "unread = true";
2451                 } else {
2452                         $unread_qpart = "true";
2453                 }
2454
2455                 $age_qpart = getMaxAgeSubquery();
2456
2457                 if ($is_cat) {
2458                         return getCategoryUnread($link, $n_feed, $owner_uid);
2459                 } else if ($n_feed == -1) {
2460                         $match_part = "marked = true";
2461                 } else if ($n_feed == -2) {
2462                         $match_part = "published = true";
2463                 } else if ($n_feed == -3) {
2464                         $match_part = "unread = true";
2465
2466                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2467
2468                         if (DB_TYPE == "pgsql") {
2469                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2470                         } else {
2471                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2472                         }
2473                 } else if ($n_feed == -4) {
2474                         $match_part = "true";
2475                 } else if ($n_feed >= 0) {
2476
2477                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2478                                         WHERE parent_feed = '$n_feed'
2479                                         AND hidden = false
2480                                         AND owner_uid = " . $owner_uid);
2481
2482                         if (db_num_rows($result) > 0) {
2483
2484                                 $linked_feeds = array();
2485                                 while ($line = db_fetch_assoc($result)) {
2486                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2487                                 }
2488
2489                                 array_push($linked_feeds, "feed_id = $n_feed");
2490
2491                                 $match_part = implode(" OR ", $linked_feeds);
2492
2493                                 $result = db_query($link, "SELECT COUNT(int_id) AS unread
2494                                         FROM ttrss_user_entries,ttrss_entries
2495                                         WHERE   $unread_qpart AND
2496                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2497                                         $age_qpart AND
2498                                         ($match_part) AND
2499                                         owner_uid = " . $owner_uid);
2500
2501                                 $unread = 0;
2502
2503                                 # this needs to be rewritten
2504                                 while ($line = db_fetch_assoc($result)) {
2505                                         $unread += $line["unread"];
2506                                 }
2507
2508                                 return $unread;
2509
2510                         } else {
2511                                 if ($n_feed != 0) {
2512                                         $match_part = "feed_id = '$n_feed'";
2513                                 } else {
2514                                         $match_part = "feed_id IS NULL";
2515                                 }
2516                         }
2517                 } else if ($feed < -10) {
2518
2519                         $label_id = -$feed - 11;
2520
2521                         return getLabelUnread($link, $label_id, $owner_uid);
2522
2523                 }
2524
2525                 if ($match_part) {
2526
2527                         if ($n_feed != 0) {
2528                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
2529                                 $feeds_qpart = "ttrss_feeds.hidden = false AND
2530                                         ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2531                         } else {
2532                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
2533                         }
2534
2535                         $result = db_query($link, "SELECT count(int_id) AS unread
2536                                 FROM $from_qpart WHERE
2537                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2538                                 $age_qpart AND
2539                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = " . $owner_uid);
2540
2541                 } else {
2542
2543                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2544                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2545                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2546                                 AND $unread_qpart AND $age_qpart AND
2547                                         ttrss_tags.owner_uid = " . $owner_uid);
2548                 }
2549
2550                 $unread = db_fetch_result($result, 0, "unread");
2551
2552                 return $unread;
2553         }
2554
2555         function getGlobalUnread($link, $user_id = false) {
2556
2557                 if (!$user_id) {
2558                         $user_id = $_SESSION["uid"];
2559                 }
2560
2561                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2562                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2563
2564                 $c_id = db_fetch_result($result, 0, "c_id");
2565
2566                 return $c_id;
2567         }
2568
2569         function getGlobalCounters($link, $global_unread = -1) {
2570                 if ($global_unread == -1) {
2571                         $global_unread = getGlobalUnread($link);
2572                 }
2573                 print "<counter type=\"global\" id='global-unread'
2574                         counter='$global_unread'/>";
2575
2576                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2577                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2578
2579                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2580
2581                 print "<counter type=\"global\" id='subscribed-feeds'
2582                         counter='$subscribed_feeds'/>";
2583
2584         }
2585
2586         function getSubscribedFeeds($link) {
2587                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2588                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2589
2590                 return db_fetch_result($result, 0, "fn");
2591         }
2592
2593         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
2594
2595                 if ($smart_mode) {
2596                         if (!$_SESSION["tctr_last_value"]) {
2597                                 $_SESSION["tctr_last_value"] = array();
2598                         }
2599                 }
2600
2601                 $old_counters = $_SESSION["tctr_last_value"];
2602
2603                 $tctrs_modified = false;
2604
2605                 $age_qpart = getMaxAgeSubquery();
2606
2607                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2608                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2609                                 AND ref_id = id AND $age_qpart
2610                                 AND unread = true)) AS count FROM ttrss_tags
2611                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2612                                 ORDER BY count DESC LIMIT 55");
2613
2614                 $tags = array();
2615
2616                 while ($line = db_fetch_assoc($result)) {
2617                         $tags[$line["tag_name"]] += $line["count"];
2618                 }
2619
2620                 foreach (array_keys($tags) as $tag) {
2621                         $unread = $tags[$tag];
2622
2623                         $tag = htmlspecialchars($tag);
2624
2625                         if (!$smart_mode || $old_counters[$tag] != $unread) {
2626                                 $old_counters[$tag] = $unread;
2627                                 $tctrs_modified = true;
2628                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2629                         }
2630
2631                 }
2632
2633                 if ($smart_mode && $tctrs_modified) {
2634                         $_SESSION["tctr_last_value"] = $old_counters;
2635                 }
2636
2637         }
2638
2639         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2640
2641                 $age_qpart = getMaxAgeSubquery();
2642
2643                 if ($smart_mode) {
2644                         if (!$_SESSION["lctr_last_value"]) {
2645                                 $_SESSION["lctr_last_value"] = array();
2646                         }
2647                 }
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
2671                 $old_counters = $_SESSION["lctr_last_value"];
2672                 $lctrs_modified = false;
2673
2674
2675                         $owner_uid = $_SESSION["uid"];
2676
2677                         $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2678                                 WHERE owner_uid = '$owner_uid'");
2679
2680                         while ($line = db_fetch_assoc($result)) {
2681
2682                                 $id = -$line["id"] - 11;
2683
2684                                 $label_name = $line["caption"];
2685                                 $count = getFeedUnread($link, $id);
2686
2687                                 if (!$smart_mode || $old_counters[$id] != $count) {
2688                                         $old_counters[$id] = $count;
2689                                         $lctrs_modified = true;
2690                                         if (!$ret_mode) {
2691
2692                                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2693                                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2694                                                 } else {
2695                                                         $xmsg_part = "";
2696                                                 }
2697
2698                                                 print "<counter type=\"label\" id=\"$id\" counter=\"$count\" $xmsg_part/>";
2699                                         } else {
2700                                                 $ret_arr[$id]["counter"] = $count;
2701                                                 $ret_arr[$id]["description"] = $label_name;
2702                                         }
2703                                 }
2704
2705                                 error_reporting (DEFAULT_ERROR_LEVEL);
2706                         }
2707
2708                 if ($smart_mode && $lctrs_modified) {
2709                         $_SESSION["lctr_last_value"] = $old_counters;
2710                 }
2711
2712                 return $ret_arr;
2713         }
2714
2715         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS, $active_feed = false) {
2716
2717                 $age_qpart = getMaxAgeSubquery();
2718
2719                 if ($smart_mode) {
2720                         if (!$_SESSION["fctr_last_value"]) {
2721                                 $_SESSION["fctr_last_value"] = array();
2722                         }
2723                 }
2724
2725                 $old_counters = $_SESSION["fctr_last_value"];
2726
2727                 $query = "SELECT ttrss_feeds.id,
2728                                 ttrss_feeds.title,
2729                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2730                                 last_error, value AS count
2731                         FROM ttrss_feeds, ttrss_counters_cache
2732                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2733                                 AND parent_feed IS NULL
2734                                 AND ttrss_counters_cache.feed_id = id";
2735
2736                 $result = db_query($link, $query);
2737                 $fctrs_modified = false;
2738
2739                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2740
2741                 while ($line = db_fetch_assoc($result)) {
2742
2743                         $id = $line["id"];
2744                         $count = $line["count"];
2745                         $last_error = htmlspecialchars($line["last_error"]);
2746
2747                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2748                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2749                         } else {
2750                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2751                         }
2752
2753                         $last_updated = htmlspecialchars($last_updated);
2754
2755                         $has_img = feed_has_icon($id);
2756
2757                         $tmp_result = db_query($link,
2758                                 "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
2759                                         WHERE parent_feed = '$id' AND feed_id = id");
2760
2761                         $count += db_fetch_result($tmp_result, 0, "unread");
2762
2763                         if (!$smart_mode || $old_counters[$id] != $count) {
2764                                 $old_counters[$id] = $count;
2765                                 $fctrs_modified = true;
2766
2767                                 if ($last_error) {
2768                                         $error_part = "error=\"$last_error\"";
2769                                 } else {
2770                                         $error_part = "";
2771                                 }
2772
2773                                 if ($has_img) {
2774                                         $has_img_part = "hi=\"$has_img\"";
2775                                 } else {
2776                                         $has_img_part = "";
2777                                 }
2778
2779                                 if ($active_feed && $id == $active_feed) {
2780                                         $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2781                                 } else {
2782                                         $has_title_part = "";
2783                                 }
2784
2785                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2786                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2787                                 }
2788
2789                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $xmsg_part $has_title_part/>";
2790                         }
2791                 }
2792
2793                 if ($smart_mode && $fctrs_modified) {
2794                         $_SESSION["fctr_last_value"] = $old_counters;
2795                 }
2796         }
2797
2798         function get_script_dt_add() {
2799 /*              if (strpos(VERSION, ".99") === false) {
2800                         return VERSION;
2801                 } else {
2802                         return time();
2803                 } */
2804                 return time();
2805         }
2806
2807         function get_pgsql_version($link) {
2808                 $result = db_query($link, "SELECT version() AS version");
2809                 $version = split(" ", db_fetch_result($result, 0, "version"));
2810                 return $version[1];
2811         }
2812
2813         function print_error_xml($code, $add_msg = "") {
2814                 global $ERRORS;
2815
2816                 $error_msg = $ERRORS[$code];
2817
2818                 if ($add_msg) {
2819                         $error_msg = "$error_msg; $add_msg";
2820                 }
2821
2822                 print "<rpc-reply>";
2823                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2824                 print "</rpc-reply>";
2825         }
2826
2827         function subscribe_to_feed($link, $feed_link, $cat_id = 0,
2828                         $auth_login = '', $auth_pass = '') {
2829
2830                 # check for feed:http://url
2831                 $feed_link = trim(preg_replace("/^feed:/", "", $feed_link));
2832
2833                 # check for feed://URL
2834                 if (strpos($feed_link, "//") === 0) {
2835                         $feed_link = "http:$feed_link";
2836                 }
2837
2838                 if ($feed_link == "") return;
2839
2840                 if ($cat_id == "0" || !$cat_id) {
2841                         $cat_qpart = "NULL";
2842                 } else {
2843                         $cat_qpart = "'$cat_id'";
2844                 }
2845
2846                 $result = db_query($link,
2847                         "SELECT id FROM ttrss_feeds
2848                         WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
2849
2850                 if (db_num_rows($result) == 0) {
2851
2852                         $result = db_query($link,
2853                                 "INSERT INTO ttrss_feeds
2854                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2855                                 VALUES ('".$_SESSION["uid"]."', '$feed_link',
2856                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2857
2858                         $result = db_query($link,
2859                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link'
2860                                         AND owner_uid = " . $_SESSION["uid"]);
2861
2862                         $feed_id = db_fetch_result($result, 0, "id");
2863
2864                         if ($feed_id) {
2865                                 update_rss_feed($link, $feed_link, $feed_id, true);
2866                         }
2867
2868                         return true;
2869                 } else {
2870                         return false;
2871                 }
2872         }
2873
2874         function print_feed_select($link, $id, $default_id = "",
2875                 $attributes = "", $include_all_feeds = true) {
2876
2877                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2878                 if ($include_all_feeds) {
2879                         print "<option value=\"0\">".__('All feeds')."</option>";
2880                 }
2881
2882                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2883                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2884
2885                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2886                         print "<option disabled>--------</option>";
2887                 }
2888
2889                 while ($line = db_fetch_assoc($result)) {
2890                         if ($line["id"] == $default_id) {
2891                                 $is_selected = "selected";
2892                         } else {
2893                                 $is_selected = "";
2894                         }
2895
2896                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
2897
2898                         printf("<option $is_selected value='%d'>%s</option>",
2899                                 $line["id"], $title);
2900                 }
2901
2902                 print "</select>";
2903         }
2904
2905         function print_feed_cat_select($link, $id, $default_id = "",
2906                 $attributes = "", $include_all_cats = true) {
2907
2908                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2909
2910                 if ($include_all_cats) {
2911                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2912                 }
2913
2914                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2915                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2916
2917                 if (db_num_rows($result) > 0 && $include_all_cats) {
2918                         print "<option disabled>--------</option>";
2919                 }
2920
2921                 while ($line = db_fetch_assoc($result)) {
2922                         if ($line["id"] == $default_id) {
2923                                 $is_selected = "selected";
2924                         } else {
2925                                 $is_selected = "";
2926                         }
2927                         printf("<option $is_selected value='%d'>%s</option>",
2928                                 $line["id"], htmlspecialchars($line["title"]));
2929                 }
2930
2931                 print "</select>";
2932         }
2933
2934         function checkbox_to_sql_bool($val) {
2935                 return ($val == "on") ? "true" : "false";
2936         }
2937
2938         function getFeedCatTitle($link, $id) {
2939                 if ($id == -1) {
2940                         return __("Special");
2941                 } else if ($id < -10) {
2942                         return __("Labels");
2943                 } else if ($id > 0) {
2944                         $result = db_query($link, "SELECT ttrss_feed_categories.title
2945                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2946                                         cat_id = ttrss_feed_categories.id");
2947                         if (db_num_rows($result) == 1) {
2948                                 return db_fetch_result($result, 0, "title");
2949                         } else {
2950                                 return __("Uncategorized");
2951                         }
2952                 } else {
2953                         return "getFeedCatTitle($id) failed";
2954                 }
2955
2956         }
2957
2958         function getFeedIcon($id) {
2959                 switch ($id) {
2960                 case -1:
2961                         return "images/mark_set.gif";
2962                         break;
2963                 case -2:
2964                         return "images/pub_set.gif";
2965                         break;
2966                 case -3:
2967                         return "images/fresh.png";
2968                         break;
2969                 case -4:
2970                         return "images/tag.png";
2971                         break;
2972                 default:
2973                         return ICONS_URL . "/$id.ico";
2974                         break;
2975                 }
2976         }
2977
2978         function getFeedTitle($link, $id) {
2979                 if ($id == -1) {
2980                         return __("Starred articles");
2981                 } else if ($id == -2) {
2982                         return __("Published articles");
2983                 } else if ($id == -3) {
2984                         return __("Fresh articles");
2985                 } else if ($id == -4) {
2986                         return __("All articles");
2987                 } else if ($id == 0) {
2988                         return __("Archived articles");
2989                 } else if ($id < -10) {
2990                         $label_id = -$id - 11;
2991                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
2992                         if (db_num_rows($result) == 1) {
2993                                 return db_fetch_result($result, 0, "caption");
2994                         } else {
2995                                 return "Unknown label ($label_id)";
2996                         }
2997
2998                 } else if ($id > 0) {
2999                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3000                         if (db_num_rows($result) == 1) {
3001                                 return db_fetch_result($result, 0, "title");
3002                         } else {
3003                                 return "Unknown feed ($id)";
3004                         }
3005                 } else {
3006                         if (preg_match("/^-?[0-9][0-9]*$/", $id)) {
3007                                 return "getFeedTitle($id) failed";
3008                         } else {
3009                                 return $id;
3010                         }
3011                 }
3012
3013         }
3014
3015         function get_session_cookie_name() {
3016                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3017         }
3018
3019         function print_init_params($link) {
3020                 print "<init-params>";
3021                 if ($_SESSION["stored-params"]) {
3022                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
3023                                 if ($key) {
3024                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
3025                                         print "<param key=\"$key\" value=\"$value\"/>";
3026                                 }
3027                         }
3028                 }
3029
3030                 print "<param key=\"theme\" value=\"".$_SESSION["theme"]."\"/>";
3031                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
3032                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
3033                 print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
3034
3035                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
3036                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
3037
3038                 print "<param key=\"hide_read_feeds\" value=\"" .
3039                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
3040
3041                 print "<param key=\"enable_feed_cats\" value=\"" .
3042                         (int) get_pref($link, "ENABLE_FEED_CATS") . "\"/>";
3043
3044                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
3045                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
3046
3047                 print "<param key=\"confirm_feed_catchup\" value=\"" .
3048                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
3049
3050                 print "<param key=\"cdm_auto_catchup\" value=\"" .
3051                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
3052
3053                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
3054
3055                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
3056
3057                 print "<param key=\"default_view_mode\" value=\"" .
3058                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
3059
3060                 print "<param key=\"default_view_limit\" value=\"" .
3061                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
3062
3063                 print "<param key=\"default_view_order_by\" value=\"" .
3064                         get_pref($link, "_DEFAULT_VIEW_ORDER_BY") . "\"/>";
3065
3066                 print "<param key=\"prefs_active_tab\" value=\"" .
3067                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
3068
3069                 print "<param key=\"infobox_disable_overlay\" value=\"" .
3070                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
3071
3072                 print "<param key=\"icons_location\" value=\"" .
3073                         ICONS_URL . "\"/>";
3074
3075                 print "<param key=\"hide_read_shows_special\" value=\"" .
3076                         (int) get_pref($link, "HIDE_READ_SHOWS_SPECIAL") . "\"/>";
3077
3078                 print "<param key=\"hide_feedlist\" value=\"" .
3079                         (int) get_pref($link, "HIDE_FEEDLIST") . "\"/>";
3080
3081                 print "<param key=\"bw_limit\" value=\"".
3082                         (int) $_SESSION["bw_limit"]."\"/>";
3083
3084 //              print "<param key=\"sync_counters\" value=\"" .
3085 //                      (int) get_pref($link, "SYNC_COUNTERS") . "\"/>";
3086
3087                 print "<param key=\"sync_counters\" value=\"1\"/>";
3088
3089                 print "<param key=\"offline_enabled\" value=\"".
3090                         (int) get_pref($link, "ENABLE_OFFLINE_READING") . "\"/>";
3091
3092                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3093                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3094
3095                 $num_feeds = db_fetch_result($result, 0, "cf");
3096
3097                 print "<param key=\"num_feeds\" value=\"".
3098                         (int)$num_feeds. "\"/>";
3099
3100                 print "<param key=\"collapsed_feedlist\" value=\"" .
3101                         (int) get_pref($link, "_COLLAPSED_FEEDLIST") . "\"/>";
3102
3103                 print "</init-params>";
3104         }
3105
3106         function print_runtime_info($link) {
3107                 print "<runtime-info>";
3108
3109                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3110                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3111
3112                 $num_feeds = db_fetch_result($result, 0, "cf");
3113
3114                 print "<param key=\"num_feeds\" value=\"".
3115                         (int)$num_feeds. "\"/>";
3116
3117                 if (ENABLE_UPDATE_DAEMON) {
3118                         print "<param key=\"daemon_is_running\" value=\"".
3119                                 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
3120
3121                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3122
3123                                 $stamp = (int)read_stampfile("update_daemon.stamp");
3124
3125 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
3126
3127                                 if ($stamp) {
3128                                         $stamp_delta = time() - $stamp;
3129
3130                                         if ($stamp_delta > 1800) {
3131                                                 $stamp_check = 0;
3132                                         } else {
3133                                                 $stamp_check = 1;
3134                                                 $_SESSION["daemon_stamp_check"] = time();
3135                                         }
3136
3137                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
3138
3139                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3140
3141                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
3142                                 }
3143                         }
3144                 }
3145
3146                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3147
3148                         if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3149                                 $new_version_details = check_for_update($link);
3150
3151                                 print "<param key=\"new_version_available\" value=\"".
3152                                         sprintf("%d", $new_version_details != ""). "\"/>";
3153
3154                                 $_SESSION["last_version_check"] = time();
3155                         }
3156                 }
3157
3158 //              print "<param key=\"new_version_available\" value=\"1\"/>";
3159
3160                 print "</runtime-info>";
3161         }
3162
3163         function getSearchSql($search, $match_on) {
3164
3165                 $search_query_part = "";
3166
3167                 $keywords = split(" ", $search);
3168                 $query_keywords = array();
3169
3170                 if ($match_on == "both") {
3171
3172                         foreach ($keywords as $k) {
3173                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
3174                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3175                         }
3176
3177                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3178
3179                 } else if ($match_on == "title") {
3180
3181                         foreach ($keywords as $k) {
3182                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
3183                         }
3184
3185                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3186
3187                 } else if ($match_on == "content") {
3188
3189                         foreach ($keywords as $k) {
3190                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3191                         }
3192                 }
3193
3194                 $search_query_part = implode("AND", $query_keywords);
3195
3196                 return $search_query_part;
3197         }
3198
3199         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3200
3201                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3202
3203                         if ($search) {
3204
3205                                 $search_query_part = getSearchSql($search, $match_on);
3206                                 $search_query_part .= " AND ";
3207
3208                         } else {
3209                                 $search_query_part = "";
3210                         }
3211
3212                         $view_query_part = "";
3213
3214                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3215                                 if ($search) {
3216                                         $view_query_part = " ";
3217                                 } else if ($feed != -1) {
3218                                         $unread = getFeedUnread($link, $feed, $cat_view);
3219                                         if ($unread > 0) {
3220                                                 $view_query_part = " unread = true AND ";
3221                                         }
3222                                 }
3223                         }
3224
3225                         if ($view_mode == "marked") {
3226                                 $view_query_part = " marked = true AND ";
3227                         }
3228
3229                         if ($view_mode == "unread") {
3230                                 $view_query_part = " unread = true AND ";
3231                         }
3232
3233                         if ($view_mode == "updated") {
3234                                 $view_query_part = " (last_read is null and unread = false) AND ";
3235                         }
3236
3237                         if ($limit > 0) {
3238                                 $limit_query_part = "LIMIT " . $limit;
3239                         }
3240
3241                         $vfeed_query_part = "";
3242
3243                         // override query strategy and enable feed display when searching globally
3244                         if ($search && $search_mode == "all_feeds") {
3245                                 $query_strategy_part = "ttrss_entries.id > 0";
3246                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3247                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3248                                 $query_strategy_part = "ttrss_entries.id > 0";
3249                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3250                                         id = feed_id) as feed_title,";
3251                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
3252
3253                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3254
3255                                 $tmp_result = false;
3256
3257                                 if ($cat_view) {
3258                                         $tmp_result = db_query($link, "SELECT id
3259                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3260                                 } else {
3261                                         $tmp_result = db_query($link, "SELECT id
3262                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3263                                                         WHERE id = '$feed') AND id != '$feed'");
3264                                 }
3265
3266                                 $cat_siblings = array();
3267
3268                                 if (db_num_rows($tmp_result) > 0) {
3269                                         while ($p = db_fetch_assoc($tmp_result)) {
3270                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3271                                         }
3272
3273                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3274                                                 $feed, implode(" OR ", $cat_siblings));
3275
3276                                 } else {
3277                                         $query_strategy_part = "ttrss_entries.id > 0";
3278                                 }
3279
3280                         } else if ($feed > 0) {
3281
3282                                 if ($cat_view) {
3283
3284                                         if ($feed > 0) {
3285                                                 $query_strategy_part = "cat_id = '$feed'";
3286                                         } else {
3287                                                 $query_strategy_part = "cat_id IS NULL";
3288                                         }
3289
3290                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3291
3292                                 } else {
3293                                         $tmp_result = db_query($link, "SELECT id
3294                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3295                                                 ORDER BY cat_id,title");
3296
3297                                         $parent_ids = array();
3298
3299                                         if (db_num_rows($tmp_result) > 0) {
3300                                                 while ($p = db_fetch_assoc($tmp_result)) {
3301                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3302                                                 }
3303
3304                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3305                                                         $feed, implode(" OR ", $parent_ids));
3306
3307                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3308                                         } else {
3309                                                 $query_strategy_part = "feed_id = '$feed'";
3310                                         }
3311                                 }
3312                         } else if ($feed == 0) { // starred virtual feed
3313                                 $query_strategy_part = "feed_id IS NULL";
3314                         } else if ($feed == -1) { // starred virtual feed
3315                                 $query_strategy_part = "marked = true";
3316                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3317                         } else if ($feed == -2) { // published virtual feed OR labels category
3318
3319                                 if (!$cat_view) {
3320                                         $query_strategy_part = "published = true";
3321                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3322                                 } else {
3323                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3324
3325                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3326
3327                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3328                                                 ttrss_user_labels2.article_id = ref_id";
3329
3330                                 }
3331
3332                         } else if ($feed == -3) { // fresh virtual feed
3333                                 $query_strategy_part = "unread = true";
3334
3335                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3336
3337                                 if (DB_TYPE == "pgsql") {
3338                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3339                                 } else {
3340                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3341                                 }
3342
3343                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3344                         } else if ($feed == -4) { // all articles virtual feed
3345                                 $query_strategy_part = "true";
3346                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3347                         } else if ($feed <= -10) { // labels
3348                                 $label_id = -$feed - 11;
3349
3350                                 $query_strategy_part = "label_id = '$label_id' AND
3351                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3352                                         ttrss_user_labels2.article_id = ref_id";
3353
3354                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3355                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3356
3357                         } else {
3358                                 $query_strategy_part = "id > 0"; // dumb
3359                         }
3360
3361                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3362                                 $order_by = "updated";
3363                         } else {
3364                                 $order_by = "updated DESC";
3365                         }
3366
3367                         if ($view_mode != "noscores") {
3368                                 $order_by = "score DESC, $order_by";
3369                         }
3370
3371                         if ($override_order) {
3372                                 $order_by = $override_order;
3373                         }
3374
3375                         $feed_title = "";
3376
3377                         if ($search && $search_mode == "all_feeds") {
3378                                 $feed_title = __("Search results")." ($search)";
3379                         } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3380                                 $feed_title = __("Search results")." ($search, $feed)";
3381                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3382                                 $feed_title = $feed;
3383                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
3384
3385                                 if ($cat_view) {
3386
3387                                         if ($feed != 0) {
3388                                                 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
3389                                                         WHERE id = '$feed' AND owner_uid = $owner_uid");
3390                                                 $feed_title = db_fetch_result($result, 0, "title");
3391                                         } else {
3392                                                 $feed_title = __("Uncategorized");
3393                                         }
3394
3395                                         if ($search) {
3396                                                 $feed_title = __("Searched for")." $search ($feed_title)";
3397                                         }
3398
3399                                 } else {
3400
3401                                         $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds
3402                                                 WHERE id = '$feed' AND owner_uid = $owner_uid");
3403
3404                                         $feed_title = db_fetch_result($result, 0, "title");
3405                                         $feed_site_url = db_fetch_result($result, 0, "site_url");
3406                                         $last_error = db_fetch_result($result, 0, "last_error");
3407
3408                                         if ($search) {
3409                                                 $feed_title = __("Searched for") . " $search ($feed_title)";
3410                                         }
3411                                 }
3412
3413                         } else if ($feed == -1) {
3414                                 $feed_title = __("Starred articles");
3415                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3416                         } else if ($feed == -2) {
3417                                 if (!$cat_view) {
3418                                         $feed_title = __("Published articles");
3419                                         if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3420                                 } else {
3421                                         $feed_title = __("Labels");
3422                                 }
3423                         } else if ($feed == -3) {
3424                                 $feed_title = __("Fresh articles");
3425                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3426                         } else if ($feed == -4) {
3427                                 $feed_title = __("All articles");
3428                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3429                         } else if ($feed < -10) {
3430                                 $label_id = -$feed - 11;
3431                                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
3432                                         WHERE id = '$label_id'");
3433                                 $feed_title = db_fetch_result($result, 0, "caption");
3434
3435                                 if ($search) {
3436                                         $feed_title = __("Searched for") . " $search ($feed_title)";
3437                                 }
3438                         } else {
3439                                 $feed_title = "?";
3440                         }
3441
3442                         $content_query_part = "content as content_preview,";
3443
3444                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3445
3446                                 if ($feed >= 0) {
3447                                         $feed_kind = "Feeds";
3448                                 } else {
3449                                         $feed_kind = "Labels";
3450                                 }
3451
3452                                 if ($limit_query_part) {
3453                                         $offset_query_part = "OFFSET $offset";
3454                                 }
3455
3456                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3457                                         if (!$override_order) {
3458                                                 $order_by = "ttrss_feeds.title, $order_by";
3459                                         }
3460
3461                                         // Special output for Fresh feed
3462
3463 /*                                      if ($feed == -3) {
3464                                                 $group_limit_part = "(select count(*) from
3465                                                         ttrss_user_entries AS t1, ttrss_entries AS t2 where
3466                                                                 t1.ref_id = t2.id and t1.owner_uid = 2 and
3467                                                                 t1.feed_id = ttrss_user_entries.feed_id and
3468                                                                 t2.updated > ttrss_entries.updated) <= 5 AND";
3469 } */
3470                                 }
3471
3472                                 if ($feed != "0") {
3473                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
3474                                         $feed_check_qpart = "ttrss_feeds.hidden = false AND
3475                                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND";
3476
3477                                 } else {
3478                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
3479                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
3480                                 }
3481
3482                                 $query = "SELECT DISTINCT
3483                                                 guid,
3484                                                 ttrss_entries.id,ttrss_entries.title,
3485                                                 updated,
3486                                                 note,
3487                                                 unread,feed_id,marked,published,link,last_read,
3488                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3489                                                 $vfeed_query_part
3490                                                 $content_query_part
3491                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3492                                                 author,score
3493                                         FROM
3494                                                 $from_qpart
3495                                         WHERE
3496                                         $group_limit_part
3497                                         $feed_check_qpart
3498                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3499                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3500                                         $search_query_part
3501                                         $view_query_part
3502                                         $query_strategy_part ORDER BY $order_by
3503                                         $limit_query_part $offset_query_part";
3504
3505                                 if ($_GET["debug"]) print $query;
3506
3507                                 $result = db_query($link, $query);
3508
3509                         } else {
3510                                 // browsing by tag
3511
3512                                 $feed_kind = "Tags";
3513
3514                                 $result = db_query($link, "SELECT
3515                                         guid,
3516                                         note,
3517                                         ttrss_entries.id as id,title,
3518                                         updated,
3519                                         unread,feed_id,
3520                                         marked,link,last_read,
3521                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3522                                         $vfeed_query_part
3523                                         $content_query_part
3524                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3525                                         score
3526                                         FROM
3527                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3528                                         WHERE
3529                                                 ref_id = ttrss_entries.id AND
3530                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3531                                                 post_int_id = int_id AND tag_name = '$feed' AND
3532                                                 $view_query_part
3533                                                 $search_query_part
3534                                                 $query_strategy_part ORDER BY $order_by
3535                                         $limit_query_part");
3536                         }
3537
3538                         if (!$feed_title) $feed_title = getFeedTitle($link, $feed_id);
3539
3540                         return array($result, $feed_title, $feed_site_url, $last_error);
3541
3542         }
3543
3544         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3545                 $limit, $search, $search_mode, $match_on) {
3546
3547                 $note_style =   "float : right; background-color : #fff7d5; border-width : 1px; ".
3548                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3549                         "margin-bottom : 1em; color : #9a8c59;";
3550
3551                 if (!$limit) $limit = 30;
3552
3553                 $qfh_ret = queryFeedHeadlines($link, $feed,
3554                         $limit, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3555                         $owner_uid);
3556
3557                 $result = $qfh_ret[0];
3558                 $feed_title = htmlspecialchars($qfh_ret[1]);
3559                 $feed_site_url = $qfh_ret[2];
3560                 $last_error = $qfh_ret[3];
3561
3562 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3563
3564                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3565                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3566                         <rss version=\"2.0\">
3567                         <channel>
3568                         <title>$feed_title</title>
3569                         <link>$feed_site_url</link>
3570                         <description>Feed generated by Tiny Tiny RSS</description>";
3571
3572                 while ($line = db_fetch_assoc($result)) {
3573                         print "<item>";
3574                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3575                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3576
3577                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3578
3579                         foreach ($tags as $tag) {
3580                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3581                         }
3582
3583                         $rfc822_date = date('r', strtotime($line["updated"]));
3584
3585                         print "<pubDate>$rfc822_date</pubDate>";
3586
3587                         print "<title>" .
3588                                 htmlspecialchars($line["title"]) . "</title>";
3589
3590                         print "<description><![CDATA[";
3591
3592                         if ($line["note"]) {
3593                                 print "<div style='$note_style'>";
3594                                 print $line["note"];
3595                                 print "</div>";
3596                         }
3597
3598                         print sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3599                         print "]]></description>";
3600
3601                         print "</item>";
3602                 }
3603
3604                 print "</channel></rss>";
3605
3606         }
3607
3608         function getCategoryTitle($link, $cat_id) {
3609
3610                 if ($cat_id == -1) {
3611                         return __("Special");
3612                 } else if ($cat_id == -2) {
3613                         return __("Labels");
3614                 } else {
3615
3616                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3617                                 id = '$cat_id'");
3618
3619                         if (db_num_rows($result) == 1) {
3620                                 return db_fetch_result($result, 0, "title");
3621                         } else {
3622                                 return "Uncategorized";
3623                         }
3624                 }
3625         }
3626
3627         function strip_tags_long($string, $allowed) {
3628
3629                 $config = HTMLPurifier_Config::createDefault();
3630
3631                 $config->set('HTML', 'Allowed', $allowed);
3632                 $purifier = new HTMLPurifier($config);
3633
3634                 return $purifier->purify($string);
3635
3636         }
3637
3638         // http://ru2.php.net/strip-tags
3639
3640 /*      function strip_tags_long($textstring, $allowed){
3641         while($textstring != strip_tags($textstring, $allowed))
3642     {
3643     while (strlen($textstring) != 0)
3644          {
3645          if (strlen($textstring) > 1024) {
3646               $otherlen = 1024;
3647          } else {
3648               $otherlen = strlen($textstring);
3649          }
3650          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3651          $safetext .= $temptext;
3652          $textstring = substr_replace($textstring,'',0,$otherlen);
3653          }
3654     $textstring = $safetext;
3655     }
3656         return $textstring;
3657 } */
3658
3659
3660         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false) {
3661                 $res = $str;
3662
3663                 if (!$owner) $owner = $_SESSION["uid"];
3664
3665                 if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3666
3667 //                      $res = strip_tags_long($res,
3668 //                              "<p><a><i><em><b><strong><code><pre><blockquote><br><img><ul><ol><li>");
3669
3670                         $res = strip_tags_long($res,
3671                                 "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4");
3672
3673                 }
3674
3675                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3676
3677                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3678
3679                 }
3680
3681                 return $res;
3682         }
3683
3684         /**
3685          * Send by mail a digest of last articles.
3686          *
3687          * @param mixed $link The database connection.
3688          * @param integer $limit The maximum number of articles by digest.
3689          * @return boolean Return false if digests are not enabled.
3690          */
3691         function send_headlines_digests($link, $limit = 100) {
3692
3693                 if (!DIGEST_ENABLE) return false;
3694
3695                 $user_limit = DIGEST_EMAIL_LIMIT;
3696                 $days = 1;
3697
3698                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3699
3700                 if (DB_TYPE == "pgsql") {
3701                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3702                 } else if (DB_TYPE == "mysql") {
3703                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3704                 }
3705
3706                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3707                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3708
3709                 while ($line = db_fetch_assoc($result)) {
3710
3711                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3712                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3713
3714                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3715
3716                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3717                                 $digest = $tuple[0];
3718                                 $headlines_count = $tuple[1];
3719                                 $affected_ids = $tuple[2];
3720                                 $digest_text = $tuple[3];
3721
3722                                 if ($headlines_count > 0) {
3723
3724                                         $mail = new PHPMailer();
3725
3726                                         $mail->PluginDir = "lib/phpmailer/";
3727                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3728
3729                                         $mail->CharSet = "UTF-8";
3730
3731                                         $mail->From = DIGEST_FROM_ADDRESS;
3732                                         $mail->FromName = DIGEST_FROM_NAME;
3733                                         $mail->AddAddress($line["email"], $line["login"]);
3734
3735                                         if (DIGEST_SMTP_HOST) {
3736                                                 $mail->Host = DIGEST_SMTP_HOST;
3737                                                 $mail->Mailer = "smtp";
3738                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3739                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3740                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3741                                         }
3742
3743                                         $mail->IsHTML(true);
3744                                         $mail->Subject = DIGEST_SUBJECT;
3745                                         $mail->Body = $digest;
3746                                         $mail->AltBody = $digest_text;
3747
3748                                         $rc = $mail->Send();
3749
3750                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3751
3752                                         print "RC=$rc\n";
3753
3754                                         if ($rc && $do_catchup) {
3755                                                 print "Marking affected articles as read...\n";
3756                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3757                                         }
3758
3759                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3760                                                         WHERE id = " . $line["id"]);
3761                                 } else {
3762                                         print "No headlines\n";
3763                                 }
3764                         }
3765                 }
3766
3767                 print "All done.\n";
3768
3769         }
3770
3771         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3772
3773                 require_once "lib/MiniTemplator.class.php";
3774
3775                 $tpl = new MiniTemplator;
3776                 $tpl_t = new MiniTemplator;
3777
3778                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3779                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3780
3781                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3782                 $tpl->setVariable('CUR_TIME', date('G:i'));
3783
3784                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3785                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3786
3787                 $affected_ids = array();
3788
3789                 if (DB_TYPE == "pgsql") {
3790                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3791                 } else if (DB_TYPE == "mysql") {
3792                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3793                 }
3794
3795                 $result = db_query($link, "SELECT ttrss_entries.title,
3796                                 ttrss_feeds.title AS feed_title,
3797                                 date_entered,
3798                                 ttrss_user_entries.ref_id,
3799                                 link,
3800                                 SUBSTRING(content, 1, 120) AS excerpt,
3801                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3802                         FROM
3803                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3804                         WHERE
3805                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3806                                 AND include_in_digest = true
3807                                 AND $interval_query
3808                                 AND hidden = false
3809                                 AND ttrss_user_entries.owner_uid = $user_id
3810                                 AND unread = true
3811                         ORDER BY ttrss_feeds.title, date_entered DESC
3812                         LIMIT $limit");
3813
3814                 $cur_feed_title = "";
3815
3816                 $headlines_count = db_num_rows($result);
3817
3818                 $headlines = array();
3819
3820                 while ($line = db_fetch_assoc($result)) {
3821                         array_push($headlines, $line);
3822                 }
3823
3824                 for ($i = 0; $i < sizeof($headlines); $i++) {
3825
3826                         $line = $headlines[$i];
3827
3828                         array_push($affected_ids, $line["ref_id"]);
3829
3830                         $updated = smart_date_time(strtotime($line["last_updated"]));
3831
3832                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3833                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3834                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3835                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3836                         $tpl->setVariable('ARTICLE_EXCERPT',
3837                                 truncate_string(strip_tags($line["excerpt"]), 100));
3838
3839                         $tpl->addBlock('article');
3840
3841                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3842                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3843                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3844                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3845 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3846 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3847
3848                         $tpl_t->addBlock('article');
3849
3850                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3851                                 $tpl->addBlock('feed');
3852                                 $tpl_t->addBlock('feed');
3853                         }
3854
3855                 }
3856
3857                 $tpl->addBlock('digest');
3858                 $tpl->generateOutputToString($tmp);
3859
3860                 $tpl_t->addBlock('digest');
3861                 $tpl_t->generateOutputToString($tmp_t);
3862
3863                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3864         }
3865
3866         function check_for_update($link) {
3867                 $releases_feed = "http://tt-rss.org/releases.rss";
3868
3869                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3870                         return;
3871                 }
3872
3873                 error_reporting(0);
3874                 if (ENABLE_SIMPLEPIE) {
3875                         $rss = new SimplePie();
3876                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3877 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3878                         $rss->set_feed_url($fetch_url);
3879                         $rss->set_output_encoding('UTF-8');
3880                         $rss->init();
3881                 } else {
3882                         $rss = fetch_rss($releases_feed);
3883                 }
3884                 error_reporting (DEFAULT_ERROR_LEVEL);
3885
3886                 if ($rss) {
3887
3888                         if (ENABLE_SIMPLEPIE) {
3889                                 $items = $rss->get_items();
3890                         } else {
3891                                 $items = $rss->items;
3892
3893                                 if (!$items || !is_array($items)) $items = $rss->entries;
3894                                 if (!$items || !is_array($items)) $items = $rss;
3895                         }
3896
3897                         if (!is_array($items) || count($items) == 0) {
3898                                 return;
3899                         }
3900
3901                         $latest_item = $items[0];
3902
3903                         if (ENABLE_SIMPLEPIE) {
3904                                 $last_title = $latest_item->get_title();
3905                         } else {
3906                                 $last_title = $latest_item["title"];
3907                         }
3908
3909                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3910
3911                         if (ENABLE_SIMPLEPIE) {
3912                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3913                                 $content = sanitize_rss($link, $latest_item->get_description());
3914                         } else {
3915                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3916                                 $content = sanitize_rss($link, $latest_item["description"]);
3917                         }
3918
3919                         if (version_compare(VERSION, $latest_version) == -1) {
3920                                 return sprintf("New version of Tiny-Tiny RSS (%s) is available:",
3921                                         $latest_version)."<div class='milestoneDetails'>$content</div>";
3922                         } else {
3923                                 return false;
3924                         }
3925                 }
3926         }
3927
3928         function markArticlesById($link, $ids, $cmode) {
3929
3930                 $tmp_ids = array();
3931
3932                 foreach ($ids as $id) {
3933                         array_push($tmp_ids, "ref_id = '$id'");
3934                 }
3935
3936                 $ids_qpart = join(" OR ", $tmp_ids);
3937
3938                 if ($cmode == 0) {
3939                         db_query($link, "UPDATE ttrss_user_entries SET
3940                         marked = false,last_read = NOW()
3941                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3942                 } else if ($cmode == 1) {
3943                         db_query($link, "UPDATE ttrss_user_entries SET
3944                         marked = true
3945                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3946                 } else {
3947                         db_query($link, "UPDATE ttrss_user_entries SET
3948                         marked = NOT marked,last_read = NOW()
3949                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3950                 }
3951         }
3952
3953         function publishArticlesById($link, $ids, $cmode) {
3954
3955                 $tmp_ids = array();
3956
3957                 foreach ($ids as $id) {
3958                         array_push($tmp_ids, "ref_id = '$id'");
3959                 }
3960
3961                 $ids_qpart = join(" OR ", $tmp_ids);
3962
3963                 if ($cmode == 0) {
3964                         db_query($link, "UPDATE ttrss_user_entries SET
3965                         published = false,last_read = NOW()
3966                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3967                 } else if ($cmode == 1) {
3968                         db_query($link, "UPDATE ttrss_user_entries SET
3969                         published = true
3970                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3971                 } else {
3972                         db_query($link, "UPDATE ttrss_user_entries SET
3973                         published = NOT published,last_read = NOW()
3974                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3975                 }
3976         }
3977
3978         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
3979
3980                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3981
3982                 $tmp_ids = array();
3983
3984                 foreach ($ids as $id) {
3985                         array_push($tmp_ids, "ref_id = '$id'");
3986                 }
3987
3988                 $ids_qpart = join(" OR ", $tmp_ids);
3989
3990                 if ($cmode == 0) {
3991                         db_query($link, "UPDATE ttrss_user_entries SET
3992                         unread = false,last_read = NOW()
3993                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3994                 } else if ($cmode == 1) {
3995                         db_query($link, "UPDATE ttrss_user_entries SET
3996                         unread = true
3997                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3998                 } else {
3999                         db_query($link, "UPDATE ttrss_user_entries SET
4000                         unread = NOT unread,last_read = NOW()
4001                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4002                 }
4003
4004                 /* update ccache */
4005
4006                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
4007                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4008
4009                 while ($line = db_fetch_assoc($result)) {
4010                         ccache_update($link, $line["feed_id"], $owner_uid);
4011                 }
4012         }
4013
4014         function catchupArticleById($link, $id, $cmode) {
4015
4016                 if ($cmode == 0) {
4017                         db_query($link, "UPDATE ttrss_user_entries SET
4018                         unread = false,last_read = NOW()
4019                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4020                 } else if ($cmode == 1) {
4021                         db_query($link, "UPDATE ttrss_user_entries SET
4022                         unread = true
4023                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4024                 } else {
4025                         db_query($link, "UPDATE ttrss_user_entries SET
4026                         unread = NOT unread,last_read = NOW()
4027                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4028                 }
4029         }
4030
4031         function make_guid_from_title($title) {
4032                 return preg_replace("/[ \"\',.:;]/", "-",
4033                         mb_strtolower(strip_tags($title), 'utf-8'));
4034         }
4035
4036         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4037                         $feed_id, $is_cat, $search, $match_on,
4038                         $search_mode) {
4039
4040                         print "<div class=\"headlinesSubToolbar\">";
4041
4042                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
4043                         $page_next_link = "javascript:viewFeedGoPage(1)";
4044                         $page_first_link = "javascript:viewFeedGoPage(0)";
4045
4046                         $catchup_page_link = "javascript:catchupPage()";
4047                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
4048                         $catchup_sel_link = "javascript:catchupSelection()";
4049
4050                         $archive_sel_link = "javascript:archiveSelection()";
4051                         $delete_sel_link = "javascript:deleteSelection()";
4052
4053                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4054
4055                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
4056                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
4057                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
4058                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4059
4060                                 $tog_unread_link = "javascript:selectionToggleUnread()";
4061                                 $tog_marked_link = "javascript:selectionToggleMarked()";
4062                                 $tog_published_link = "javascript:selectionTogglePublished()";
4063
4064                         } else {
4065
4066                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
4067                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
4068                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
4069
4070                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4071
4072                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
4073                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
4074                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
4075
4076                         }
4077
4078                         print "<div id=\"subtoolbar_ftitle\">";
4079
4080                         if ($feed_site_url) {
4081                                 if (!$bottom) {
4082                                         $target = "target=\"_blank\"";
4083                                 }
4084                                 print "<a $target href=\"$feed_site_url\">".
4085                                         truncate_string($feed_title,30)."</a>";
4086                         } else {
4087                                 if ($feed_id < -10) {
4088                                         $label_id = -11-$feed_id;
4089
4090                                         $result = db_query($link, "SELECT fg_color, bg_color
4091                                                 FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
4092                                                 $_SESSION["uid"]);
4093
4094                                         if (db_num_rows($result) != 0) {
4095                                                 $fg_color = db_fetch_result($result, 0, "fg_color");
4096                                                 $bg_color = db_fetch_result($result, 0, "bg_color");
4097
4098                                                 print "<span style='background : $bg_color; color : $fg_color'>";
4099                                                 print $feed_title;
4100                                                 print "</span>";
4101                                         } else {
4102                                                 print $feed_title;
4103                                         }
4104
4105                                 } else {
4106                                         print $feed_title;
4107                                 }
4108                         }
4109
4110                         if ($search) {
4111                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4112                         }
4113
4114                         print "
4115                                 <a target=\"_blank\"
4116                                         href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
4117                                         <img class=\"noborder\"
4118                                                 alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
4119                                                 </a>";
4120
4121                         print "</div>";
4122
4123                         print __('Select:')."
4124                                 <a href=\"$sel_all_link\">".__('All')."</a>,
4125                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
4126                                 <a href=\"$sel_inv_link\">".__('Invert')."</a>,
4127                                 <a href=\"$sel_none_link\">".__('None')."</a></li>";
4128
4129                         print "&nbsp;&nbsp;";
4130
4131                         print "<span
4132                                 onmouseover=\"enable_selection(false)\"
4133             onmouseout=\"enable_selection(true)\"
4134                                 onclick=\"toggleHeadlineActions()\" id=\"headlineActionsDrop\">".
4135                                 __("Actions...") . "&nbsp;&nbsp;<img width='11' height'7'
4136                                 src=\"images/down_arrow.png\">
4137                                 </span>";
4138
4139                         print "<ul id=\"headlineActionsBody\" style=\"display : none\">";
4140
4141                         print "<li class=\"insensitive\">".__('Selection toggle:')."</li>
4142                                 <li onclick=\"$tog_unread_link\">&nbsp;&nbsp;".__('Unread')."</li>
4143                                 <li onclick=\"$tog_marked_link\">&nbsp;&nbsp;".__('Starred')."</li>
4144                                 <li onclick=\"$tog_published_link\">&nbsp;&nbsp;".__('Published')."</li>
4145                                 <!-- <li><span class=\"insensitive\">--------</span></li> -->
4146                                 <li class=\"insensitive\">".__('Mark as read:')."</li>
4147                                 <li onclick=\"$catchup_sel_link\">&nbsp;&nbsp;".__('Selection')."</li>";
4148
4149                         print "<li onclick=\"$catchup_feed_link\">&nbsp;&nbsp;".__('Entire feed').
4150                                 "</li>";
4151
4152                         if ($feed_id != "0") {
4153                                 print "<li class=\"insensitive\">".__('Selection:')."</li>
4154                                         <li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Archive')."</li>";
4155                         } else {
4156                                 print "<li class=\"insensitive\">".__('Selection:')."</li>
4157                                         <li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Move back')."</li>
4158                                         <li onclick=\"$delete_sel_link\">&nbsp;&nbsp;".__('Delete')."</li>";
4159                         }
4160
4161                         //print "<li><span class=\"insensitive\">--------</span></li>";
4162                         print "<li class=\"insensitive\">".__('Assign label:')."</li>";
4163
4164                         print_labels_headlines_dropdown($link, $feed_id);
4165
4166                         print "</ul>";
4167
4168                         print "</div>";
4169                 }
4170
4171         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
4172
4173                         $tmp_category = getCategoryTitle($link, $cat_id);
4174
4175                         if ($cat_id > 0) {
4176                                 $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
4177                         } else if ($cat_id == 0 || $cat_id == -2) {
4178                                 $cat_unread = getCategoryUnread($link, $cat_id);
4179                         }
4180
4181                         if ($hidden) {
4182                                 $holder_style = "display:none;";
4183                                 $ellipsis = "…";
4184                         } else {
4185                                 $holder_style = "";
4186                                 $ellipsis = "";
4187                         }
4188
4189                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4190
4191                         if ($can_browse) {
4192                                 $browse_cat_link = "onclick=\"javascript:viewCategory($cat_id)\"";
4193                                 $inner_title_class = "catTitle";
4194                         } else {
4195                                 $browse_cat_link = "";
4196                                 $inner_title_class = "catTitleNL";
4197                         }
4198
4199                         $cat_class = "feedCat";
4200
4201                         print "<li class=\"$cat_class\" id=\"FCAT-$cat_id\">
4202                                 <img onclick=\"toggleCollapseCat($cat_id)\" class=\"catCollapse\"
4203                                         title=\"".__('Click to collapse category')."\"
4204                                         src=\"images/cat-collapse.png\"><span class=\"$inner_title_class\"
4205                                         id=\"FCATN-$cat_id\" $browse_cat_link/>$tmp_category</span>";
4206
4207                         print "<span id=\"FCAP-$cat_id\">";
4208
4209                         print " <span id=\"FCATCTR-$cat_id\"
4210                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4211
4212                         print "</span>";
4213
4214                         //print "</li>";
4215
4216                         print "<ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4217
4218         }
4219
4220         function outputFeedList($link, $tags = false) {
4221
4222                 print "<ul class=\"feedList\" id=\"feedList\">";
4223
4224                 $owner_uid = $_SESSION["uid"];
4225
4226                 /* virtual feeds */
4227
4228                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4229
4230                         $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4231
4232                         printCategoryHeader($link, -1, $cat_hidden, false);
4233                 }
4234
4235                 $num_starred = getFeedUnread($link, -1);
4236                 $num_published = getFeedUnread($link, -2);
4237                 $num_fresh = getFeedUnread($link, -3);
4238                 $num_total = getFeedUnread($link, -4);
4239                 $num_archive = getFeedUnread($link, 0);
4240
4241                 $class = "virt";
4242
4243                 if ($num_total > 0) $class .= "Unread";
4244
4245                 printFeedEntry(-4, $class, false, $num_total,
4246                         "images/tag.png", $link);
4247
4248                 $class = "virt";
4249
4250                 if ($num_archive > 0) $class .= "Unread";
4251
4252                 printFeedEntry(0, $class, false, $num_archive,
4253                         "images/tag.png", $link);
4254
4255                 $class = "virt";
4256
4257                 if ($num_fresh > 0) $class .= "Unread";
4258
4259                 printFeedEntry(-3, $class, false, $num_fresh,
4260                         "images/fresh.png", $link);
4261
4262                 $class = "virt";
4263
4264                 if ($num_starred > 0) $class .= "Unread";
4265
4266                 printFeedEntry(-1, $class, false, $num_starred,
4267                         "images/mark_set.png", $link);
4268
4269                 $class = "virt";
4270
4271                 if ($num_published > 0) $class .= "Unread";
4272
4273                 printFeedEntry(-2, $class, false, $num_published,
4274                         "images/pub_set.gif", $link);
4275
4276                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4277                         print "</ul></li>";
4278                 }
4279
4280                 if (!$tags) {
4281
4282
4283                                 $result = db_query($link, "SELECT * FROM
4284                                         ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4285
4286                                 if (db_num_rows($result) > 0) {
4287                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4288
4289                                                 $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
4290
4291                                                 printCategoryHeader($link, -2, $cat_hidden, true);
4292
4293                                         } else {
4294                                                 print "<li><hr></li>";
4295                                         }
4296                                 }
4297
4298                                 while ($line = db_fetch_assoc($result)) {
4299
4300                                         $label_id = -$line['id'] - 11;
4301                                         $count = getFeedUnread($link, $label_id);
4302
4303                                         $class = "label";
4304
4305                                         if ($count > 0) {
4306                                                 $class .= "Unread";
4307                                         }
4308
4309                                         printFeedEntry($label_id,
4310                                                 $class, $line["caption"],
4311                                                 $count, "images/label.png", $link,
4312                                                 false, false, false,
4313                                                 $line['fg_color'], $line['bg_color']);
4314
4315                                 }
4316
4317                                 if (db_num_rows($result) > 0) {
4318                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4319                                                 print "</ul>";
4320                                         }
4321                                 }
4322
4323
4324                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4325                                 print "<li><hr></li>";
4326                         }
4327
4328                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4329                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4330                                         $order_by_qpart = "order_id,category,unread DESC,title";
4331                                 } else {
4332                                         $order_by_qpart = "order_id,category,title";
4333                                 }
4334                         } else {
4335                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4336                                         $order_by_qpart = "unread DESC,title";
4337                                 } else {
4338                                         $order_by_qpart = "title";
4339                                 }
4340                         }
4341
4342                         $age_qpart = getMaxAgeSubquery();
4343
4344                         $query = "SELECT ttrss_feeds.*,
4345                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4346                                 cat_id,last_error,
4347                                 ttrss_feed_categories.title AS category,
4348                                 ttrss_feed_categories.collapsed,
4349                                 value AS unread
4350                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4351                                         ON (ttrss_feed_categories.id = cat_id)
4352                                 LEFT JOIN ttrss_counters_cache
4353                                         ON
4354                                                 (ttrss_feeds.id = feed_id)
4355                                 WHERE
4356                                         ttrss_feeds.hidden = false AND
4357                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4358                                 ORDER BY $order_by_qpart";
4359
4360                         $result = db_query($link, $query);
4361
4362                         $actid = $_GET["actid"];
4363
4364                         /* real feeds */
4365
4366                         $lnum = 0;
4367
4368                         $total_unread = 0;
4369
4370                         $category = "";
4371
4372                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4373
4374                         while ($line = db_fetch_assoc($result)) {
4375
4376                                 $feed = htmlspecialchars(trim($line["title"]));
4377
4378                                 if (!$feed) $feed = "[Untitled]";
4379
4380                                 $feed_id = $line["id"];
4381                                 $unread = $line["unread"];
4382
4383                                 $subop = $_GET["subop"];
4384
4385                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4386                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4387                                 } else {
4388                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4389                                 }
4390
4391                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4392
4393                                 if ($rtl_content) {
4394                                         $rtl_tag = "dir=\"RTL\"";
4395                                 } else {
4396                                         $rtl_tag = "";
4397                                 }
4398
4399                                 $tmp_result = db_query($link,
4400                                         "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
4401                                                 WHERE parent_feed = '$feed_id' AND feed_id = id");
4402
4403                                 $unread += db_fetch_result($tmp_result, 0, "unread");
4404
4405                                 $cat_id = $line["cat_id"];
4406
4407                                 $tmp_category = $line["category"];
4408
4409                                 if (!$tmp_category) {
4410                                         $tmp_category = __("Uncategorized");
4411                                 }
4412
4413         //                      $class = ($lnum % 2) ? "even" : "odd";
4414
4415                                 if ($line["last_error"]) {
4416                                         $class = "error";
4417                                 } else {
4418                                         $class = "feed";
4419                                 }
4420
4421                                 if ($unread > 0) $class .= "Unread";
4422
4423                                 if ($actid == $feed_id) {
4424                                         $class .= "Selected";
4425                                 }
4426
4427                                 $total_unread += $unread;
4428
4429                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4430
4431                                         if ($category) {
4432                                                 print "</ul></li>";
4433                                         }
4434
4435                                         $category = $tmp_category;
4436
4437                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4438
4439                                         // workaround for NULL category
4440                                         if ($category == __("Uncategorized")) {
4441                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4442                                         }
4443
4444                                         $cat_id = sprintf("%d", $cat_id);
4445
4446                                         printCategoryHeader($link, $cat_id, $collapsed, true);
4447
4448                                 }
4449
4450                                 printFeedEntry($feed_id, $class, $feed, $unread,
4451                                         ICONS_URL."/$feed_id.ico", $link, $rtl_content,
4452                                         $last_updated, $line["last_error"]);
4453
4454                                 ++$lnum;
4455                         }
4456
4457                         if (db_num_rows($result) == 0) {
4458                                 print "<li>".__('No feeds to display.')."</li>";
4459                         }
4460
4461                 } else {
4462
4463                         // tags
4464
4465 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4466                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4467                                 post_int_id = ttrss_user_entries.int_id AND
4468                                 unread = true AND ref_id = ttrss_entries.id
4469                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4470                         UNION
4471                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4472                         ORDER BY tag_name"); */
4473
4474                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4475                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4476                                 print "<ul class=\"feedCatList\">";
4477                         }
4478
4479                         $age_qpart = getMaxAgeSubquery();
4480
4481                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4482                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4483                                         AND ref_id = id AND $age_qpart
4484                                         AND unread = true)) AS count FROM ttrss_tags
4485                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4486                                         ORDER BY count DESC LIMIT 50");
4487
4488                         $tags = array();
4489
4490                         while ($line = db_fetch_assoc($result)) {
4491                                 $tags[$line["tag_name"]] += $line["count"];
4492                         }
4493
4494                         foreach (array_keys($tags) as $tag) {
4495
4496                                 $unread = $tags[$tag];
4497
4498                                 $class = "tag";
4499
4500                                 if ($unread > 0) {
4501                                         $class .= "Unread";
4502                                 }
4503
4504                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4505
4506                         }
4507
4508                         if (db_num_rows($result) == 0) {
4509                                 print "<li>No tags to display.</li>";
4510                         }
4511
4512                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4513                                 print "</ul>";
4514                         }
4515
4516                 }
4517
4518                 print "</ul>";
4519
4520         }
4521
4522         function get_article_tags($link, $id, $owner_uid = 0) {
4523
4524                 $a_id = db_escape_string($id);
4525
4526                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4527
4528                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name,
4529                         owner_uid as owner FROM
4530                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4531                                 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
4532
4533                 $tags = array();
4534
4535                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4536                         array_push($tags, $tmp_line["tag_name"]);
4537                 }
4538
4539                 return $tags;
4540         }
4541
4542         function trim_value(&$value) {
4543                 $value = trim($value);
4544         }
4545
4546         function trim_array($array) {
4547                 $tmp = $array;
4548                 array_walk($tmp, 'trim_value');
4549                 return $tmp;
4550         }
4551
4552         function tag_is_valid($tag) {
4553                 if ($tag == '') return false;
4554                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4555                 if (mb_strlen($tag) > 250) return false;
4556
4557                 if (function_exists('iconv')) {
4558                         $tag = iconv("utf-8", "utf-8", $tag);
4559                 }
4560
4561                 if (!$tag) return false;
4562
4563                 return true;
4564         }
4565
4566         function render_login_form($link, $mobile = 0) {
4567                 switch ($mobile) {
4568                 case 0:
4569                         require_once "login_form.php";
4570                         break;
4571                 case 1:
4572                         require_once "mobile/login_form.php";
4573                         break;
4574                 case 2:
4575                         require_once "mobile/classic/login_form.php";
4576                 }
4577         }
4578
4579         // from http://developer.apple.com/internet/safari/faq.html
4580         function no_cache_incantation() {
4581                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4582                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4583                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4584                 header("Cache-Control: post-check=0, pre-check=0", false);
4585                 header("Pragma: no-cache"); // HTTP/1.0
4586         }
4587
4588         function format_warning($msg, $id = "") {
4589                 return "<div class=\"warning\" id=\"$id\">
4590                         <img src=\"images/sign_excl.gif\">$msg</div>";
4591         }
4592
4593         function format_notice($msg) {
4594                 return "<div class=\"notice\">
4595                         <img src=\"images/sign_info.gif\">$msg</div>";
4596         }
4597
4598         function format_error($msg) {
4599                 return "<div class=\"error\">
4600                         <img src=\"images/sign_excl.gif\">$msg</div>";
4601         }
4602
4603         function print_notice($msg) {
4604                 return print format_notice($msg);
4605         }
4606
4607         function print_warning($msg) {
4608                 return print format_warning($msg);
4609         }
4610
4611         function print_error($msg) {
4612                 return print format_error($msg);
4613         }
4614
4615
4616         function T_sprintf() {
4617                 $args = func_get_args();
4618                 return vsprintf(__(array_shift($args)), $args);
4619         }
4620
4621         function format_inline_player($link, $url, $ctype) {
4622
4623                 $entry = "";
4624
4625                 if (($ctype == __("audio/mpeg")) &&  (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4626
4627                         $entry .= "<object type=\"application/x-shockwave-flash\"
4628                                 data=\"extras/button/musicplayer.swf?song_url=$url\"
4629                                 width=\"17\" height=\"17\">
4630                                         <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object>";
4631                 }
4632
4633                 /*
4634
4635                 if (substr($ctype,0,6)=="audio/" || $ctype=="application/ogg" || $ctype=="application/x-ogg") {
4636                         $entry .= "<audio controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4637                         if (($ctype == __("audio/mpeg")) &&
4638                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4639                                 $entry .= "<span><object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object></span>";
4640                         }
4641                         $entry .= "</audio> ";
4642                         if (($ctype == __("audio/mpeg")) &&
4643                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4644                                 $entry .= "<a id='switchToFlashLink' href='#' onclick='return switchToFlash(this)'>".__('Switch to Flash Player')."</a>";
4645                                 $entry .= "<script type='text/javascript'>html5AudioOrFlash('$ctype');</script>";
4646                         }
4647                 } elseif (substr($ctype,0,6)=="video/") {
4648                         $entry .= "<video controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4649                         $entry .= "</video>";
4650                 } */
4651
4652
4653
4654                 return $entry;
4655         }
4656
4657         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4658                 $zoom_mode = false) {
4659
4660                 /* we can figure out feed_id from article id anyway, why do we
4661                  * pass feed_id here? let's ignore the argument :( */
4662
4663                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4664                         WHERE ref_id = '$id'");
4665
4666                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4667
4668                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4669
4670                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4671                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4672
4673                 if (db_num_rows($result) == 1) {
4674                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4675                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4676                 } else {
4677                         $rtl_content = false;
4678                         $always_display_enclosures = false;
4679                 }
4680
4681                 if ($rtl_content) {
4682                         $rtl_tag = "dir=\"RTL\"";
4683                         $rtl_class = "RTL";
4684                 } else {
4685                         $rtl_tag = "";
4686                         $rtl_class = "";
4687                 }
4688
4689                 if ($mark_as_read) {
4690                         $result = db_query($link, "UPDATE ttrss_user_entries
4691                                 SET unread = false,last_read = NOW()
4692                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4693
4694                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4695                 }
4696
4697                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4698                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4699                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4700                         num_comments,
4701                         author,
4702                         note
4703                         FROM ttrss_entries,ttrss_user_entries
4704                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4705
4706                 if ($result) {
4707
4708                         $link_target = "";
4709
4710                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4711                                 $link_target = "target=\"_blank\"";
4712                         }
4713
4714                         $line = db_fetch_assoc($result);
4715
4716                         if ($line["icon_url"]) {
4717                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4718                         } else {
4719                                 $feed_icon = "&nbsp;";
4720                         }
4721
4722                         $num_comments = $line["num_comments"];
4723                         $entry_comments = "";
4724
4725                         if ($num_comments > 0) {
4726                                 if ($line["comments"]) {
4727                                         $comments_url = $line["comments"];
4728                                 } else {
4729                                         $comments_url = $line["link"];
4730                                 }
4731                                 $entry_comments = "<a $link_target href=\"$comments_url\">$num_comments comments</a>";
4732                         } else {
4733                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4734                                         $entry_comments = "<a $link_target href=\"".$line["comments"]."\">comments</a>";
4735                                 }
4736                         }
4737
4738                         if ($zoom_mode) {
4739                                 header("Content-Type: text/html");
4740                                 print "<html><head>
4741                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4742                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4743                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4744                                         </head><body>";
4745                         }
4746
4747
4748                         print "<div class=\"postReply\">";
4749
4750                         print "<div class=\"postHeader\" onmouseover=\"enable_resize(true)\"
4751                                 onmouseout=\"enable_resize(false)\">";
4752
4753                         $entry_author = $line["author"];
4754
4755                         if ($entry_author) {
4756                                 $entry_author = __(" - ") . $entry_author;
4757                         }
4758
4759                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4760                                 strtotime($line["updated"]));
4761
4762                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4763
4764                         if ($line["link"]) {
4765                                 print "<div clear='both'><a $link_target href=\"" . $line["link"] . "\">" .
4766                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4767                         } else {
4768                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4769                         }
4770
4771                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4772
4773                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4774
4775                         print "<div style='float : right'>
4776                                         <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4777
4778                         if (!$zoom_mode) {
4779                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4780                                         <a title=\"".__('Edit tags for this article')."\"
4781                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a>";
4782
4783                                 if (defined('_ENABLE_INLINE_VIEW')) {
4784
4785                                         print "<img src=\"images/art-inline.png\" class='tagsPic'
4786                                                         style=\"cursor : pointer\" style=\"cursor : pointer\"
4787                                                         onclick=\"showOriginalArticleInline($id)\"
4788                                                         alt='Inline' title='".__('Display original article content')."'>";
4789
4790                                 }
4791
4792                                 print "<img src=\"images/art-zoom.png\" class='tagsPic'
4793                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
4794                                                 onclick=\"zoomToArticle($id)\"
4795                                                 alt='Zoom' title='".__('Show article summary in new window')."'>";
4796
4797                                 $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4798
4799                                 print "<img src=\"images/art-pub-note.png\" class='tagsPic'
4800                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
4801                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
4802                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
4803
4804                         } else {
4805                                 $tags_str = strip_tags($tags_str);
4806                                 print "<span id=\"ATSTR-$id\">$tags_str</span>";
4807                         }
4808                         print "</div>";
4809                         print "<div clear='both'>$entry_comments</div>";
4810
4811                         print "</div>";
4812
4813                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4814
4815                         print "<div class=\"postContent\">";
4816
4817                         $article_content = sanitize_rss($link, $line["content"]);
4818
4819                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4820                                 $article_content = preg_replace("/href=/i", "target=\"_blank\" href=",
4821                                         $article_content);
4822                         }
4823
4824                         print "<div id=\"POSTNOTE-$id\">";
4825                                 if ($line['note']) {
4826                                         print format_article_note($id, $line['note']);
4827                                 }
4828                         print "</div>";
4829
4830                         print $article_content;
4831
4832                         $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4833                                 post_id = '$id' AND content_url != ''");
4834
4835                         if (db_num_rows($result) > 0) {
4836
4837                                 $entries_html = array();
4838                                 $entries = array();
4839
4840                                 while ($line = db_fetch_assoc($result)) {
4841
4842                                         $url = $line["content_url"];
4843                                         $ctype = $line["content_type"];
4844
4845                                         if (!$ctype) $ctype = __("unknown type");
4846
4847                                         $filename = substr($url, strrpos($url, "/")+1);
4848
4849                                         $entry = format_inline_player($link, $url, $ctype);
4850
4851                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4852                                                 $filename . " (" . $ctype . ")" . "</a>";
4853
4854                                         array_push($entries_html, $entry);
4855
4856                                         $entry = array();
4857
4858                                         $entry["type"] = $ctype;
4859                                         $entry["filename"] = $filename;
4860                                         $entry["url"] = $url;
4861
4862                                         array_push($entries, $entry);
4863                                 }
4864
4865                                 print "<div class=\"postEnclosures\">";
4866
4867                                 if ($always_display_enclosures || !preg_match("/<img/i", $article_content)) {
4868                                         foreach ($entries as $entry) {
4869                                                 if (preg_match("/image/", $entry["type"])) {
4870                                                         print "<p><img
4871                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
4872                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
4873                                                 }
4874                                         }
4875                                 }
4876
4877                                 print "<div class=\"postEnclosures\">";
4878
4879                                 if (db_num_rows($result) == 1) {
4880                                         print __("Attachment:") . " ";
4881                                 } else {
4882                                         print __("Attachments:") . " ";
4883                                 }
4884
4885                                 print join(", ", $entries_html);
4886
4887                                 print "</div>";
4888                         }
4889
4890                         print "</div>";
4891
4892                         print "</div>";
4893
4894                 }
4895
4896                 if (!$zoom_mode) {
4897                         print "]]></article>";
4898                 } else {
4899                         print "
4900                                 <div style=\"text-align : center\">
4901                                 <input type=\"submit\" onclick=\"return window.close()\"
4902                                 value=\"".__("Close this window")."\"></div>";
4903                         print "</body></html>";
4904
4905                 }
4906
4907         }
4908
4909         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4910                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4911                                         $override_order = false) {
4912
4913                 $disable_cache = false;
4914
4915                 $timing_info = getmicrotime();
4916
4917                 $topmost_article_ids = array();
4918
4919                 if (!$offset) {
4920                         $offset = 0;
4921                 }
4922
4923                 if ($subop == "undefined") $subop = "";
4924
4925                 $subop_split = split(":", $subop);
4926
4927                 if ($subop == "CatchupSelected") {
4928                         $ids = split(",", db_escape_string($_GET["ids"]));
4929                         $cmode = sprintf("%d", $_GET["cmode"]);
4930
4931                         catchupArticlesById($link, $ids, $cmode);
4932                 }
4933
4934                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4935                         update_generic_feed($link, $feed, $cat_view, true);
4936                 }
4937
4938                 if ($subop == "MarkAllRead")  {
4939                         catchup_feed($link, $feed, $cat_view);
4940
4941                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4942                                 if ($next_unread_feed) {
4943                                         $feed = $next_unread_feed;
4944                                 }
4945                         }
4946                 }
4947
4948                 if ($subop_split[0] == "MarkAllReadGR")  {
4949                         catchup_feed($link, $subop_split[1], false);
4950                 }
4951
4952
4953                 if ($feed_id > 0) {
4954                         $result = db_query($link,
4955                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4956
4957                         if (db_num_rows($result) == 0) {
4958                                 print "<div align='center'>".__('Feed not found.')."</div>";
4959                                 return;
4960                         }
4961                 }
4962
4963                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4964
4965                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4966                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4967
4968                         if (db_num_rows($result) == 1) {
4969                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4970                         } else {
4971                                 $rtl_content = false;
4972                         }
4973
4974                         if ($rtl_content) {
4975                                 $rtl_tag = "dir=\"RTL\"";
4976                         } else {
4977                                 $rtl_tag = "";
4978                         }
4979                 } else {
4980                         $rtl_tag = "";
4981                         $rtl_content = false;
4982                 }
4983
4984                 $script_dt_add = get_script_dt_add();
4985
4986                 /// START /////////////////////////////////////////////////////////////////////////////////
4987
4988                 $search = db_escape_string($_GET["query"]);
4989
4990                 if ($search) {
4991                         $disable_cache = true;
4992                 }
4993
4994                 $search_mode = db_escape_string($_GET["search_mode"]);
4995                 $match_on = db_escape_string($_GET["match_on"]);
4996
4997                 if (!$match_on) {
4998                         $match_on = "both";
4999                 }
5000
5001                 $real_offset = $offset * $limit;
5002
5003                 if ($_GET["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
5004
5005                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
5006                         $search, $search_mode, $match_on, $override_order, $real_offset);
5007
5008                 if ($_GET["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
5009
5010                 $result = $qfh_ret[0];
5011                 $feed_title = $qfh_ret[1];
5012                 $feed_site_url = $qfh_ret[2];
5013                 $last_error = $qfh_ret[3];
5014
5015                 $vgroup_last_feed = $vgr_last_feed;
5016
5017                 if ($feed == -2) {
5018                         $feed_site_url = article_publish_url($link);
5019                 }
5020
5021                 /// STOP //////////////////////////////////////////////////////////////////////////////////
5022
5023                 if (!$offset) {
5024                         print "<div id=\"headlinesContainer\" $rtl_tag>";
5025
5026                         if (!$result) {
5027                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
5028                                 return;
5029                         }
5030
5031                         print_headline_subtoolbar($link, $feed_site_url, $feed_title,
5032                                 $feed, $cat_view, $search, $match_on, $search_mode);
5033
5034                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
5035                 }
5036
5037                 $headlines_count = db_num_rows($result);
5038
5039                 if (db_num_rows($result) > 0) {
5040
5041 #                       print "\{$offset}";
5042
5043                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5044                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
5045                                         cellspacing=\"0\">";
5046                         }
5047
5048                         $lnum = $limit*$offset;
5049
5050                         error_reporting (DEFAULT_ERROR_LEVEL);
5051
5052                         $num_unread = 0;
5053                         $cur_feed_title = '';
5054
5055                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
5056
5057                         while ($line = db_fetch_assoc($result)) {
5058
5059                                 $class = ($lnum % 2) ? "even" : "odd";
5060
5061                                 $id = $line["id"];
5062                                 $feed_id = $line["feed_id"];
5063
5064                                 $labels = get_article_labels($link, $id);
5065
5066                                 $labels_str = "<span id=\"HLLCTR-$id\">";
5067                                 $labels_str .= format_article_labels($labels, $id);
5068                                 $labels_str .= "</span>";
5069
5070                                 if (count($topmost_article_ids) < 5) {
5071                                         array_push($topmost_article_ids, $id);
5072                                 }
5073
5074                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
5075
5076                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\"
5077                                                 alt=\"Updated\">";
5078                                 } else {
5079                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
5080                                                 alt=\"Updated\">";
5081                                 }
5082
5083                                 if (sql_bool_to_bool($line["unread"]) &&
5084                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
5085
5086                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/fresh_sign.png\"
5087                                                         alt=\"Fresh\">";
5088                                 }
5089
5090                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
5091                                         $class .= "Unread";
5092                                         ++$num_unread;
5093                                         $is_unread = true;
5094                                 } else {
5095                                         $is_unread = false;
5096                                 }
5097
5098                                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
5099
5100                                 if ($is_ie) {
5101                                         $mark_img_ext = "gif";
5102                                 } else {
5103                                         $mark_img_ext = "png";
5104                                 }
5105
5106                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
5107                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.$mark_img_ext\"
5108                                                 class=\"markedPic\"
5109                                                 alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
5110                                 } else {
5111                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.$mark_img_ext\"
5112                                                 class=\"markedPic\"
5113                                                 alt=\"Star article\" onclick='javascript:tMark($id)'>";
5114                                 }
5115
5116                                 if ($line["published"] == "t" || $line["published"] == "1") {
5117                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\"
5118                                                 class=\"markedPic\"
5119                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
5120                                 } else {
5121                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\"
5122                                                 class=\"markedPic\"
5123                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
5124                                 }
5125
5126 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
5127 #                                       $line["title"] . "</a>";
5128
5129 #                               $content_link = "<a
5130 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
5131 #                                       onclick=\"view($id,$feed_id);\">" .
5132 #                                       $line["title"] . "</a>";
5133
5134 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
5135 #                                       $line["title"] . "</a>";
5136
5137                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
5138                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
5139                                 } else {
5140                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
5141                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
5142                                 }
5143
5144                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5145                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
5146                                                 100);
5147                                 }
5148
5149                                 $score = $line["score"];
5150
5151                                 $score_pic = get_score_pic($score);
5152
5153 /*                              $score_title = __("(Click to change)");
5154                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5155                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
5156
5157                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5158                                         title=\"$score\">";
5159
5160                                 if ($score > 500) {
5161                                         $hlc_suffix = "H";
5162                                 } else if ($score < -100) {
5163                                         $hlc_suffix = "L";
5164                                 } else {
5165                                         $hlc_suffix = "";
5166                                 }
5167
5168                                 $entry_author = $line["author"];
5169
5170                                 if ($entry_author) {
5171                                         $entry_author = " - $entry_author";
5172                                 }
5173
5174                                 $has_feed_icon = feed_has_icon($feed_id);
5175
5176                                 if ($has_feed_icon) {
5177                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5178                                 } else {
5179                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5180                                         $feed_icon_img = "";
5181                                 }
5182
5183                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5184
5185                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5186                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5187
5188                                                         $cur_feed_title = $line["feed_title"];
5189                                                         $vgroup_last_feed = $feed_id;
5190
5191                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5192
5193                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5194
5195                                                         print "<tr class='feedTitle'><td colspan='7'>".
5196                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5197                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5198                                                                 $line["feed_title"]."</a> $vf_catchup_link</td></tr>";
5199                                                 }
5200                                         }
5201
5202                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5203                                                 onmouseout='postMouseOut($id)'";
5204
5205                                         print "<tr class='$class' id='RROW-$id' $mouseover_attrs>";
5206
5207                                         print "<td class='hlUpdPic'>$update_pic</td>";
5208
5209                                         print "<td class='hlSelectRow'>
5210                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
5211                                                         id=\"RCHK-$id\">
5212                                                 </td>";
5213
5214                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
5215                                         print "<td class='hlMarkedPic'>$published_pic</td>";
5216
5217 #                                       if ($line["feed_title"]) {
5218 #                                               print "<td class='hlContent'>$content_link</td>";
5219 #                                               print "<td class='hlFeed'>
5220 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5221 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
5222 #                                       } else {
5223
5224                                         print "<td onclick='view($id)' class='hlContent$hlc_suffix' valign='middle' id='HLC-$id'>";
5225
5226                                         print "<a id=\"RTITLE-$id\"
5227                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5228                                                 onclick=\"return false\">" .
5229                                                 $line["title"];
5230
5231                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5232                                                 if ($content_preview) {
5233                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5234                                                 }
5235                                         }
5236
5237                                         print "</a>";
5238
5239                                         print $labels_str;
5240
5241 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5242 #                                                       $line["feed_title"]."</a>
5243
5244                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5245                                                 if ($line["feed_title"]) {
5246                                                         print "<span class=\"hlFeed\">
5247                                                                 (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5248                                                                 $line["feed_title"]."</a>)
5249                                                         </span>";
5250                                                 }
5251                                         }
5252
5253 //                                      print "<img id='HLL-$id' class='hlLoading'
5254 //                                              src='images/indicator_tiny.gif' style='display : none'>";
5255
5256                                         print "</td>";
5257
5258 #                                       }
5259
5260                                         print "<td class=\"hlUpdated\" onclick='view($id)'><nobr>$updated_fmt&nbsp;</nobr></td>";
5261
5262                                         print "<td class='hlMarkedPic'>$score_pic</td>";
5263
5264                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5265                                                 print "<td onclick=\"viewfeed($feed_id)\" class=\"hlFeedIcon\">$feed_icon_img</td>";
5266                                         }
5267
5268                                         print "</tr>";
5269
5270                                 } else {
5271
5272                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5273                                                 if ($feed_id != $vgroup_last_feed) {
5274
5275                                                         $cur_feed_title = $line["feed_title"];
5276                                                         $vgroup_last_feed = $feed_id;
5277
5278                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5279
5280                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5281
5282                                                         $has_feed_icon = feed_has_icon($feed_id);
5283
5284                                                         if ($has_feed_icon) {
5285                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5286                                                         } else {
5287                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5288                                                         }
5289
5290                                                         print "<div class='cdmFeedTitle'>".
5291                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5292                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5293                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5294                                                 }
5295                                         }
5296
5297                                         if ($is_unread) {
5298                                                 $add_class = "Unread";
5299                                         } else {
5300                                                 $add_class = "";
5301                                         }
5302
5303                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5304                                         $show_excerpt = false;
5305
5306                                         if ($expand_cdm && $score >= -100) {
5307                                                 $cdm_cstyle = "";
5308                                                 $show_excerpt = false;
5309                                         } else {
5310                                                 $cdm_cstyle = "style=\"display : none\"";
5311                                                 $show_excerpt = true;
5312                                         }
5313
5314                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5315                                                 onmouseout='postMouseOut($id)'";
5316
5317                                         print "<div class=\"cdmArticle$add_class\"
5318                                                 id=\"RROW-$id\"
5319                                                 $mouseover_attrs'>";
5320
5321                                         print "<div class=\"cdmHeader\">";
5322
5323                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") || !$line["feed_title"]) {
5324                                                 $cdm_feed_icon = "<span style=\"cursor : pointer\" onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5325                                         }
5326
5327                                         print "<div class=\"articleUpdated\">$updated_fmt $score_pic $cdm_feed_icon
5328                                                 </div>";
5329
5330                                         print "<span id=\"RTITLE-$id\" class=\"titleWrap$hlc_suffix\"><a class=\"title\"
5331                                                 onclick=\"javascript:toggleUnread($id, 0)\"
5332                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5333                                                 ";
5334
5335                                         print $entry_author;
5336
5337 /*                                      if (!$expand_cdm || $score < -100) {
5338                                                 print "&nbsp;<a id=\"CICH-$id\"
5339                                                         href=\"javascript:cdmExpandArticle($id)\">
5340                                                         (".__('Show article').")</a>";
5341                                         } */
5342
5343                                         print $labels_str;
5344
5345                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5346                                                 if ($line["feed_title"]) {
5347                                                         print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
5348                                                 }
5349                                         }
5350
5351                                         print "</span></div>";
5352
5353                                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
5354                                                 $line["content_preview"] = preg_replace("/href=/i",
5355                                                         "target=\"_blank\" href=", $line["content_preview"]);
5356                                         }
5357
5358                                         if ($show_excerpt) {
5359                                                 print "<div class=\"cdmExcerpt\" id=\"CEXC-$id\"
5360                                                         onclick=\"cdmExpandArticle($id)\"
5361                                                         title=\"".__('Click to expand article')."\">";
5362
5363                                                 $content_preview = trim(truncate_string(strip_tags($line["content_preview"]), 100));
5364
5365                                                 if (strlen($content_preview) != 0) {
5366                                                         print $content_preview;
5367                                                 } else {
5368                                                         print __('Click to expand article');
5369                                                 }
5370                                                 print "</div>";
5371                                         }
5372
5373                                         print "<div class=\"cdmContent\"
5374                                                 onclick=\"cdmClicked($id)\"
5375                                                 id=\"CICD-$id\" $cdm_cstyle>";
5376
5377 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
5378
5379                                         print "<div id=\"POSTNOTE-$id\">";
5380                                         if ($line['note']) {
5381                                                 print format_article_note($id, $line['note']);
5382                                         }
5383                                         print "</div>";
5384
5385                                         print sanitize_rss($link, $line["content_preview"]);
5386
5387                                         $article_content = $line["content_preview"];
5388
5389                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
5390                                                 post_id = '$id' AND content_url != ''");
5391
5392                                         if (db_num_rows($e_result) > 0) {
5393
5394                                 $entries_html = array();
5395                                 $entries = array();
5396
5397                                 while ($e_line = db_fetch_assoc($e_result)) {
5398
5399                                         $url = $e_line["content_url"];
5400                                         $ctype = $e_line["content_type"];
5401                                         if (!$ctype) $ctype = __("unknown type");
5402
5403                                         $filename = substr($url, strrpos($url, "/")+1);
5404
5405                                         $entry = format_inline_player($link, $url, $ctype);
5406
5407                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5408                                                 $filename . " (" . $ctype . ")" . "</a>";
5409
5410                                         array_push($entries_html, $entry);
5411
5412                                         $entry = array();
5413
5414                                         $entry["type"] = $ctype;
5415                                         $entry["filename"] = $filename;
5416                                         $entry["url"] = $url;
5417
5418                                         array_push($entries, $entry);
5419                                 }
5420
5421                                 $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5422                                         ttrss_feeds WHERE id = ".$line['feed_id']." AND owner_uid = ".$_SESSION["uid"]);
5423
5424                                 $always_display_enclosures = db_fetch_result($tmp_result, 0, "always_display_enclosures");
5425
5426                                 if ($always_display_enclosures || !preg_match("/img/i", $article_content)) {
5427                                         foreach ($entries as $entry) {
5428                                                 if (preg_match("/image/", $entry["type"])) {
5429                                                         print "<p><img
5430                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
5431                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
5432                                                 }
5433                                         }
5434                                 }
5435
5436                                 print "<div class=\"cdmEnclosures\">";
5437
5438                                 if (db_num_rows($e_result) == 1) {
5439                                         print __("Attachment:") . " ";
5440                                 } else {
5441                                         print __("Attachments:") . " ";
5442                                 }
5443
5444                                 print join(", ", $entries_html);
5445
5446                                 print "</div>";
5447                         }
5448
5449
5450                                         print "<br clear='both'>";
5451 //                                      print "</div>";
5452
5453 /*                                      if (!$expand_cdm) {
5454                                                 print "<a id=\"CICH-$id\"
5455                                                         href=\"javascript:cdmExpandArticle($id)\">
5456                                                         Show article</a>";
5457                                         } */
5458
5459                                         print "</div>";
5460
5461                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5462
5463                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5464
5465                                         print __("Select:").
5466                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5467                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5468
5469                                         print "</span><span class='s1'>$marked_pic&nbsp;";
5470                                         print "$published_pic&nbsp;";
5471                                         print "<img src=\"images/art-zoom.png\" class='tagsPic'
5472                                                 onclick=\"zoomToArticle($id)\"
5473                                                 style=\"cursor : pointer\"
5474                                                 alt='Zoom'
5475                                                 title='".__('Show article summary in new window')."'>&nbsp;";
5476
5477                                         $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5478
5479                                         print "<img src=\"images/art-pub-note.png\" class='tagsPic'
5480                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5481                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
5482                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
5483
5484                                         print "</span>";
5485
5486                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5487
5488 //                                      print "<img src='images/tag.png' class='markedPic'>";
5489
5490                                         print "<span class='s1'>
5491                                                 <img class='tagsPic' src='images/tag.png' alt='Tags' title='Tags'>
5492                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5493                                                 <a title=\"".__('Edit tags for this article')."\"
5494                                                 href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5495
5496                                         print "</span>";
5497
5498                                         print "<span class='s2'><a class=\"cdmToggleLink\"
5499                                                         href=\"javascript:toggleUnread($id)\">
5500                                                         ".__('toggle unread')."</a></span>";
5501
5502                                         print "</div>";
5503                                         print "</div>";
5504
5505                                 }
5506
5507                                 ++$lnum;
5508                         }
5509
5510                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5511                                 print "</table>";
5512                         }
5513
5514                 } else {
5515                         $message = "";
5516
5517                         switch ($view_mode) {
5518                                 case "unread":
5519                                         $message = __("No unread articles found to display.");
5520                                         break;
5521                                 case "updated":
5522                                         $message = __("No updated articles found to display.");
5523                                         break;
5524                                 case "marked":
5525                                         $message = __("No starred articles found to display.");
5526                                         break;
5527                                 default:
5528                                         if ($feed < -10) {
5529                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5530                                         } else {
5531                                                 $message = __("No articles found to display.");
5532                                         }
5533                         }
5534
5535                         if (!$offset) print "<div class='whiteBox'>$message</div>";
5536                 }
5537
5538                 if (!$offset) {
5539                         print "</div>";
5540                         print "</div>";
5541                 }
5542
5543                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5544         }
5545
5546 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5547
5548         function printTagCloud($link) {
5549
5550                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5551                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5552                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5553
5554                 $result = db_query($link, $query);
5555
5556                 $tags = array();
5557
5558                 while ($line = db_fetch_assoc($result)) {
5559                         $tags[$line["tag_name"]] = $line["count"];
5560                 }
5561
5562                 ksort($tags);
5563
5564                 $max_size = 32; // max font size in pixels
5565                 $min_size = 11; // min font size in pixels
5566
5567                 // largest and smallest array values
5568                 $max_qty = max(array_values($tags));
5569                 $min_qty = min(array_values($tags));
5570
5571                 // find the range of values
5572                 $spread = $max_qty - $min_qty;
5573                 if ($spread == 0) { // we don't want to divide by zero
5574                                 $spread = 1;
5575                 }
5576
5577                 // set the font-size increment
5578                 $step = ($max_size - $min_size) / ($spread);
5579
5580                 // loop through the tag array
5581                 foreach ($tags as $key => $value) {
5582                         // calculate font-size
5583                         // find the $value in excess of $min_qty
5584                         // multiply by the font-size increment ($size)
5585                         // and add the $min_size set above
5586                         $size = round($min_size + (($value - $min_qty) * $step));
5587
5588                         $key_escaped = str_replace("'", "\\'", $key);
5589
5590                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5591                                 $size . "px\" title=\"$value articles tagged with " .
5592                                 $key . '">' . $key . '</a> ';
5593                 }
5594         }
5595
5596         function print_checkpoint($n, $s) {
5597                 $ts = getmicrotime();
5598                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5599                 return $ts;
5600         }
5601
5602         function sanitize_tag($tag) {
5603                 $tag = trim($tag);
5604
5605                 $tag = mb_strtolower($tag, 'utf-8');
5606
5607                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5608
5609 //              $tag = str_replace('"', "", $tag);
5610 //              $tag = str_replace("+", " ", $tag);
5611                 $tag = str_replace("technorati tag: ", "", $tag);
5612
5613                 return $tag;
5614         }
5615
5616         function generate_publish_key() {
5617                 return sha1(uniqid(rand(), true));
5618         }
5619
5620         function article_publish_url($link) {
5621
5622                 $url_path = "";
5623
5624
5625                 if ($_SERVER['HTTPS'] != "on") {
5626                         $url_path = "http://";
5627                 } else {
5628                         $url_path = "https://";
5629                 }
5630
5631                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5632                 $url_path .= "/backend.php?op=publish&key=" . get_pref($link, "_PREFS_PUBLISH_KEY");
5633
5634                 return $url_path;
5635         }
5636
5637         /**
5638          * Purge a feed contents, marked articles excepted.
5639          *
5640          * @param mixed $link The database connection.
5641          * @param integer $id The id of the feed to purge.
5642          * @return void
5643          */
5644         function clear_feed_articles($link, $id) {
5645
5646                 if ($id != 0) {
5647                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5648                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5649                 } else {
5650                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5651                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5652                 }
5653
5654                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5655                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5656
5657                 ccache_update($link, $id, $_SESSION['uid']);
5658         } // function clear_feed_articles
5659
5660         /**
5661          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5662          *
5663          * @return string The Mozilla Firefox feed adding URL.
5664          */
5665         function add_feed_url() {
5666                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5667                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5668                 return $url_path;
5669         } // function add_feed_url
5670
5671         /**
5672          * Encrypt a password in SHA1.
5673          *
5674          * @param string $pass The password to encrypt.
5675          * @param string $login A optionnal login.
5676          * @return string The encrypted password.
5677          */
5678         function encrypt_password($pass, $login = '') {
5679                 if ($login) {
5680                         return "SHA1X:" . sha1("$login:$pass");
5681                 } else {
5682                         return "SHA1:" . sha1($pass);
5683                 }
5684         } // function encrypt_password
5685
5686         /**
5687          * Update a feed batch.
5688          * Used by daemons to update n feeds by run.
5689          * Only update feed needing a update, and not being processed
5690          * by another process.
5691          *
5692          * @param mixed $link Database link
5693          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5694          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5695          * @param boolean $debug Set to false to disable debug output. Default to true.
5696          * @return void
5697          */
5698         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5699                 // Process all other feeds using last_updated and interval parameters
5700
5701                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5702                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5703                         if (DB_TYPE == "pgsql") {
5704                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5705                         } else {
5706                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5707                         }
5708                 } else {
5709                         $login_thresh_qpart = "";
5710                 }
5711
5712                 // Test if the feed need a update (update interval exceded).
5713                 if (DB_TYPE == "pgsql") {
5714                         $update_limit_qpart = "AND ((
5715                                         ttrss_feeds.update_interval = 0
5716                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5717                                 ) OR (
5718                                         ttrss_feeds.update_interval > 0
5719                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5720                                 ) OR ttrss_feeds.last_updated IS NULL)";
5721                 } else {
5722                         $update_limit_qpart = "AND ((
5723                                         ttrss_feeds.update_interval = 0
5724                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5725                                 ) OR (
5726                                         ttrss_feeds.update_interval > 0
5727                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5728                                 ) OR ttrss_feeds.last_updated IS NULL)";
5729                 }
5730
5731                 // Test if feed is currently being updated by another process.
5732                 if (DB_TYPE == "pgsql") {
5733                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5734                 } else {
5735                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5736                 }
5737
5738                 // Test if there is a limit to number of updated feeds
5739                 $query_limit = "";
5740                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5741
5742                 $random_qpart = sql_random_function();
5743
5744                 // We search for feed needing update.
5745                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5746                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5747                                 ttrss_feeds.update_interval
5748                         FROM
5749                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5750                         WHERE
5751                                 ttrss_feeds.owner_uid = ttrss_users.id
5752                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5753                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5754                                 $login_thresh_qpart $update_limit_qpart
5755                          $updstart_thresh_qpart
5756                         ORDER BY $random_qpart $query_limit");
5757
5758                 $user_prefs_cache = array();
5759
5760                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5761
5762                 // Here is a little cache magic in order to minimize risk of double feed updates.
5763                 $feeds_to_update = array();
5764                 while ($line = db_fetch_assoc($result)) {
5765                         $feeds_to_update[$line['id']] = $line;
5766                 }
5767
5768                 // We update the feed last update started date before anything else.
5769                 // There is no lag due to feed contents downloads
5770                 // It prevent an other process to update the same feed.
5771                 $feed_ids = array_keys($feeds_to_update);
5772                 if($feed_ids) {
5773                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5774                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5775                 }
5776
5777                 // For each feed, we call the feed update function.
5778                 while ($line = array_pop($feeds_to_update)) {
5779
5780                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5781
5782                         // We setup a alarm to alert if the feed take more than 300s to update.
5783                         // => HANG alarm.
5784                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(300);
5785                         update_rss_feed($link, $line["feed_url"], $line["id"], true);
5786                         // Cancel the alarm (the update went well)
5787                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(0);
5788
5789                         sleep(1); // prevent flood (FIXME make this an option?)
5790                 }
5791
5792                 // Send feed digests by email if needed.
5793                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5794
5795                 purge_orphans($link);
5796
5797         } // function update_daemon_common
5798
5799         function sanitize_article_content($text) {
5800                 # we don't support CDATA sections in articles, they break our own escaping
5801                 $text = preg_replace("/\[\[CDATA/", "", $text);
5802                 $text = preg_replace("/\]\]\>/", "", $text);
5803                 return $text;
5804         }
5805
5806         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5807                 $filters = array();
5808
5809                 if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5810
5811                 $result = db_query($link, "SELECT reg_exp,
5812                         ttrss_filter_types.name AS name,
5813                         ttrss_filter_actions.name AS action,
5814                         inverse,
5815                         action_param,
5816                         filter_param
5817                         FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5818                                 enabled = true AND
5819                                 $ftype_query_part
5820                                 owner_uid = $owner_uid AND
5821                                 ttrss_filter_types.id = filter_type AND
5822                                 ttrss_filter_actions.id = action_id AND
5823                                 (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5824
5825                 while ($line = db_fetch_assoc($result)) {
5826                         if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5827                                 $filter["reg_exp"] = $line["reg_exp"];
5828                                 $filter["action"] = $line["action"];
5829                                 $filter["action_param"] = $line["action_param"];
5830                                 $filter["filter_param"] = $line["filter_param"];
5831                                 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5832
5833                                 array_push($filters[$line["name"]], $filter);
5834                         }
5835
5836                 return $filters;
5837         }
5838
5839         function get_score_pic($score) {
5840                 if ($score > 100) {
5841                         return "score_high.png";
5842                 } else if ($score > 0) {
5843                         return "score_half_high.png";
5844                 } else if ($score < -100) {
5845                         return "score_low.png";
5846                 } else if ($score < 0) {
5847                         return "score_half_low.png";
5848                 } else {
5849                         return "score_neutral.png";
5850                 }
5851         }
5852
5853         function rounded_table_start($classname, $header = "&nbsp;") {
5854                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5855                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5856                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5857         }
5858
5859         function rounded_table_end($footer = "&nbsp;") {
5860                 print "</td><td class='right'>&nbsp;</td></tr>";
5861                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5862                 print "</table>";
5863         }
5864
5865         function feed_has_icon($id) {
5866                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5867         }
5868
5869         function init_connection($link) {
5870                 if (DB_TYPE == "pgsql") {
5871                         pg_query($link, "set client_encoding = 'UTF-8'");
5872                         pg_set_client_encoding("UNICODE");
5873                         pg_query($link, "set datestyle = 'ISO, european'");
5874                 } else {
5875                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5876                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5877         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5878                         }
5879                 }
5880         }
5881
5882         function update_feedbrowser_cache($link) {
5883
5884                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
5885                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5886                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5887                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
5888                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
5889
5890                 db_query($link, "BEGIN");
5891
5892                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5893
5894                 $count = 0;
5895
5896                 while ($line = db_fetch_assoc($result)) {
5897                         $subscribers = db_escape_string($line["subscribers"]);
5898                         $feed_url = db_escape_string($line["feed_url"]);
5899                         $title = db_escape_string($line["title"]);
5900
5901                         $tmp_result = db_query($link, "SELECT subscribers FROM
5902                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
5903
5904                         if (db_num_rows($tmp_result) == 0) {
5905
5906                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5907                                         (feed_url, title, subscribers) VALUES ('$feed_url',
5908                                                 '$title', '$subscribers')");
5909
5910                                 ++$count;
5911
5912                         }
5913
5914                 }
5915
5916                 db_query($link, "COMMIT");
5917
5918                 return $count;
5919
5920         }
5921
5922         function ccache_zero($link, $feed_id, $owner_uid) {
5923                 db_query($link, "UPDATE ttrss_counters_cache SET
5924                         value = 0, updated = NOW() WHERE
5925                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5926         }
5927
5928         function ccache_zero_all($link, $owner_uid) {
5929                 db_query($link, "UPDATE ttrss_counters_cache SET
5930                         value = 0 WHERE owner_uid = '$owner_uid'");
5931
5932                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
5933                         value = 0 WHERE owner_uid = '$owner_uid'");
5934         }
5935
5936         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
5937
5938                 if (!$is_cat) {
5939                         $table = "ttrss_counters_cache";
5940                 } else {
5941                         $table = "ttrss_cat_counters_cache";
5942                 }
5943
5944                 db_query($link, "DELETE FROM $table WHERE
5945                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5946
5947         }
5948
5949         function ccache_update_all($link, $owner_uid) {
5950
5951                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
5952
5953                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
5954                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5955
5956                         while ($line = db_fetch_assoc($result)) {
5957                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
5958                         }
5959
5960                         /* We have to manually include category 0 */
5961
5962                         ccache_update($link, 0, $owner_uid, true);
5963
5964                 } else {
5965                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
5966                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5967
5968                         while ($line = db_fetch_assoc($result)) {
5969                                 print ccache_update($link, $line["feed_id"], $owner_uid);
5970
5971                         }
5972
5973                 }
5974         }
5975
5976         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
5977                 $no_update = false) {
5978
5979                 if (!is_numeric($feed_id)) return;
5980
5981                 if (!$is_cat) {
5982                         $table = "ttrss_counters_cache";
5983                         if ($feed_id > 0) {
5984                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5985                                         WHERE id = '$feed_id'");
5986                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5987                         }
5988                 } else {
5989                         $table = "ttrss_cat_counters_cache";
5990                 }
5991
5992                 if (DB_TYPE == "pgsql") {
5993                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
5994                 } else if (DB_TYPE == "mysql") {
5995                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
5996                 }
5997
5998                 $result = db_query($link, "SELECT value FROM $table
5999                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
6000                         LIMIT 1");
6001
6002                 if (db_num_rows($result) == 1) {
6003                         return db_fetch_result($result, 0, "value");
6004                 } else {
6005                         if ($no_update) {
6006                                 return -1;
6007                         } else {
6008                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
6009                         }
6010                 }
6011
6012         }
6013
6014         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
6015                 $update_pcat = true) {
6016
6017                 if (!is_numeric($feed_id)) return;
6018
6019                 if (!$is_cat && $feed_id > 0) {
6020                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
6021                                 WHERE id = '$feed_id'");
6022                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
6023                 }
6024
6025                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
6026
6027                 /* When updating a label, all we need to do is recalculate feed counters
6028                  * because labels are not cached */
6029
6030                 if ($feed_id < 0) {
6031                         ccache_update_all($link, $owner_uid);
6032                         return;
6033                 }
6034
6035                 if (!$is_cat) {
6036                         $table = "ttrss_counters_cache";
6037                 } else {
6038                         $table = "ttrss_cat_counters_cache";
6039                 }
6040
6041                 if ($is_cat && $feed_id >= 0) {
6042                         if ($feed_id != 0) {
6043                                 $cat_qpart = "cat_id = '$feed_id'";
6044                         } else {
6045                                 $cat_qpart = "cat_id IS NULL";
6046                         }
6047
6048                         /* Recalculate counters for child feeds */
6049
6050                         $result = db_query($link, "SELECT id FROM ttrss_feeds
6051                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
6052
6053                         while ($line = db_fetch_assoc($result)) {
6054                                 ccache_update($link, $line["id"], $owner_uid, false, false);
6055                         }
6056
6057                         $result = db_query($link, "SELECT SUM(value) AS sv
6058                                 FROM ttrss_counters_cache, ttrss_feeds
6059                                 WHERE id = feed_id AND $cat_qpart AND
6060                                 ttrss_feeds.owner_uid = '$owner_uid'");
6061
6062                         $unread = (int) db_fetch_result($result, 0, "sv");
6063
6064                 } else {
6065                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
6066                 }
6067
6068                 db_query($link, "BEGIN");
6069
6070                 $result = db_query($link, "SELECT feed_id FROM $table
6071                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
6072
6073                 if (db_num_rows($result) == 1) {
6074                         db_query($link, "UPDATE $table SET
6075                                 value = '$unread', updated = NOW() WHERE
6076                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6077
6078                 } else {
6079                         db_query($link, "INSERT INTO $table
6080                                 (feed_id, value, owner_uid, updated)
6081                                 VALUES
6082                                 ($feed_id, $unread, $owner_uid, NOW())");
6083                 }
6084
6085                 db_query($link, "COMMIT");
6086
6087                 if ($feed_id > 0 && $prev_unread != $unread) {
6088
6089                         if (!$is_cat) {
6090
6091                                 /* Update parent category */
6092
6093                                 if ($update_pcat) {
6094
6095                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
6096                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
6097
6098                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
6099
6100                                         ccache_update($link, $cat_id, $owner_uid, true);
6101
6102                                 }
6103                         }
6104                 } else if ($feed_id < 0) {
6105                         ccache_update_all($link, $owner_uid);
6106                 }
6107
6108                 return $unread;
6109         }
6110
6111         function label_find_id($link, $label, $owner_uid) {
6112                 $result = db_query($link,
6113                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
6114                                 AND owner_uid = '$owner_uid' LIMIT 1");
6115
6116                 if (db_num_rows($result) == 1) {
6117                         return db_fetch_result($result, 0, "id");
6118                 } else {
6119                         return 0;
6120                 }
6121         }
6122
6123         function get_article_labels($link, $id) {
6124                 $result = db_query($link,
6125                         "SELECT DISTINCT label_id,caption,fg_color,bg_color
6126                                 FROM ttrss_labels2, ttrss_user_labels2
6127                         WHERE id = label_id
6128                                 AND article_id = '$id'
6129                                 AND owner_uid = ".$_SESSION["uid"] . "
6130                         ORDER BY caption");
6131
6132                 $rv = array();
6133
6134                 while ($line = db_fetch_assoc($result)) {
6135                         $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
6136                                 $line["bg_color"]);
6137                         array_push($rv, $rk);
6138                 }
6139
6140                 return $rv;
6141         }
6142
6143
6144         function label_find_caption($link, $label, $owner_uid) {
6145                 $result = db_query($link,
6146                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
6147                                 AND owner_uid = '$owner_uid' LIMIT 1");
6148
6149                 if (db_num_rows($result) == 1) {
6150                         return db_fetch_result($result, 0, "caption");
6151                 } else {
6152                         return "";
6153                 }
6154         }
6155
6156         function label_remove_article($link, $id, $label, $owner_uid) {
6157
6158                 $label_id = label_find_id($link, $label, $owner_uid);
6159
6160                 if (!$label_id) return;
6161
6162                 $result = db_query($link,
6163                         "DELETE FROM ttrss_user_labels2
6164                         WHERE
6165                                 label_id = '$label_id' AND
6166                                 article_id = '$id'");
6167         }
6168
6169         function label_add_article($link, $id, $label, $owner_uid) {
6170
6171                 $label_id = label_find_id($link, $label, $owner_uid);
6172
6173                 if (!$label_id) return;
6174
6175                 $result = db_query($link,
6176                         "SELECT
6177                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6178                         WHERE
6179                                 label_id = id AND
6180                                 label_id = '$label_id' AND
6181                                 article_id = '$id' AND owner_uid = '$owner_uid'
6182                         LIMIT 1");
6183
6184                 if (db_num_rows($result) == 0) {
6185                         db_query($link, "INSERT INTO ttrss_user_labels2
6186                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6187                 }
6188         }
6189
6190         function label_remove($link, $id, $owner_uid) {
6191
6192                 db_query($link, "BEGIN");
6193
6194                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6195                         WHERE id = '$id'");
6196
6197                 $caption = db_fetch_result($result, 0, "caption");
6198
6199                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6200                         AND owner_uid = " . $_SESSION["uid"]);
6201
6202                 if (db_affected_rows($link, $result) != 0 && $caption) {
6203
6204                         /* Disable filters that reference label being removed */
6205
6206                         db_query($link, "UPDATE ttrss_filters SET
6207                                 enabled = false WHERE action_param = '$caption'
6208                                         AND action_id = 7
6209                                         AND owner_uid = " . $_SESSION["uid"]);
6210                         }
6211
6212                 db_query($link, "COMMIT");
6213         }
6214
6215         function label_create($link, $caption) {
6216
6217                 db_query($link, "BEGIN");
6218
6219                 $result = false;
6220
6221                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6222                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6223
6224                 if (db_num_rows($result) == 0) {
6225                         $result = db_query($link,
6226                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
6227                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6228
6229                         $result = db_affected_rows($link, $result) != 0;
6230                 }
6231
6232                 db_query($link, "COMMIT");
6233
6234                 return $result;
6235         }
6236
6237         function print_labels_headlines_dropdown($link, $feed_id) {
6238                 print "<li onclick=\"javascript:addLabel()\">
6239                         &nbsp;&nbsp;".__("Create label...")."</li>";
6240
6241                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6242                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6243
6244                 while ($line = db_fetch_assoc($result)) {
6245
6246                         $label_id = $line["id"];
6247                         $label_caption = $line["caption"];
6248
6249                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6250                                 print "<li id=\"LHDL-$id\"
6251                                         onclick=\"javascript:selectionRemoveLabel($label_id)\">
6252                                         &nbsp;&nbsp;$label_caption ".__('(remove)')."</li>";
6253                         } else {
6254                                 print "<li id=\"LHDL-$id\"
6255                                         onclick=\"javascript:selectionAssignLabel($label_id)\">
6256                                         &nbsp;&nbsp;$label_caption</li>";
6257                         }
6258                 }
6259         }
6260
6261         function format_tags_string($tags, $id) {
6262
6263                 $tags_str = "";
6264                 $tags_nolinks_str = "";
6265
6266                 $num_tags = 0;
6267
6268                 if ($_SESSION["theme"] == "3pane") {
6269                         $tag_limit = 3;
6270                 } else {
6271                         $tag_limit = 6;
6272                 }
6273
6274                 $formatted_tags = array();
6275
6276                 foreach ($tags as $tag) {
6277                         $num_tags++;
6278                         $tag_escaped = str_replace("'", "\\'", $tag);
6279
6280                         if (mb_strlen($tag) > 30) {
6281                                 $tag = truncate_string($tag, 30);
6282                         }
6283
6284                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6285
6286                         array_push($formatted_tags, $tag_str);
6287
6288                         $tmp_tags_str = implode(", ", $formatted_tags);
6289
6290                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6291                                 break;
6292                         }
6293                 }
6294
6295                 $tags_str = implode(", ", $formatted_tags);
6296
6297                 if ($num_tags < count($tags)) {
6298                         $tags_str .= ", &hellip;";
6299                 }
6300
6301                 if ($num_tags == 0) {
6302                         $tags_str = __("no tags");
6303                 }
6304
6305                 return $tags_str;
6306
6307         }
6308
6309         function format_article_labels($labels, $id) {
6310
6311                 $labels_str = "";
6312
6313                 foreach ($labels as $l) {
6314                         $labels_str .= sprintf("<span class='hlLabelRef'
6315                                 style='color : %s; background-color : %s'>%s</span>",
6316                                         $l[2], $l[3], $l[1]);
6317                         }
6318
6319                 return $labels_str;
6320
6321         }
6322
6323         function format_article_note($id, $note) {
6324
6325                 $note_escaped = htmlspecialchars($note, ENT_QUOTES);
6326
6327                 $str = "<div class='articleNote'>";
6328                 $str .= $note;
6329                 $str .= "<div class='articleNoteOps'>";
6330                 $str .= "<a href=\"javascript:publishWithNote($id, '$note_escaped')\">".
6331                         __('edit note')."</a>";
6332                 $str .= "</div>";
6333                 $str .= "</div>";
6334
6335                 return $str;
6336         }
6337
6338         function toggle_collapse_cat($link, $cat_id) {
6339                 if ($cat_id > 0) {
6340                         db_query($link, "UPDATE ttrss_feed_categories SET
6341                                 collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " .
6342                                 $_SESSION["uid"]);
6343                 } else {
6344                         $pref_name = '';
6345
6346                         switch ($cat_id) {
6347                         case -1:
6348                                 $pref_name = '_COLLAPSED_SPECIAL';
6349                                 break;
6350                         case -2:
6351                                 $pref_name = '_COLLAPSED_LABELS';
6352                                 break;
6353                         case 0:
6354                                 $pref_name = '_COLLAPSED_UNCAT';
6355                                 break;
6356                         }
6357
6358                         if ($pref_name) {
6359                                 if (get_pref($link, $pref_name)) {
6360                                         set_pref($link, $pref_name, 'false');
6361                                 } else {
6362                                         set_pref($link, $pref_name, 'true');
6363                                 }
6364                         }
6365                 }
6366         }
6367
6368         function remove_feed($link, $id, $owner_uid) {
6369
6370                 if ($id > 0) {
6371
6372                         /* save starred articles in Archived feed */
6373
6374                         db_query($link, "BEGIN");
6375
6376                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL
6377                                 WHERE feed_id = '$id' AND
6378                                         marked = true AND owner_uid = $owner_uid");
6379
6380                         /* remove the feed */
6381
6382                         db_query($link, "DELETE FROM ttrss_feeds
6383                                         WHERE id = '$id' AND owner_uid = $owner_uid");
6384
6385                         db_query($link, "COMMIT");
6386
6387                         if (file_exists(ICONS_DIR . "/$id.ico")) {
6388                                 unlink(ICONS_DIR . "/$id.ico");
6389                         }
6390
6391                         ccache_remove($link, $id, $owner_uid);
6392
6393                 } else {
6394                         label_remove($link, -11-$id, $owner_uid);
6395                         ccache_remove($link, -11-$id, $owner_uid);
6396                 }
6397         }
6398
6399         function remove_feed_category($link, $id, $owner_uid) {
6400
6401                 db_query($link, "DELETE FROM ttrss_feed_categories
6402                         WHERE id = '$id' AND owner_uid = $owner_uid");
6403
6404                 ccache_remove($link, $id, $owner_uid, true);
6405         }
6406
6407 ?>