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']) {
 758                                         print_r($item);
 759
 760                                 }
 761
 762                                 if ($use_simplepie) {
 763                                         $entry_guid = $item->get_id();
 764                                         if (!$entry_guid) $entry_guid = $item->get_link();
 765                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 766
 767                                 } else {
 768
 769                                         $entry_guid = $item["id"];
 770
 771                                         if (!$entry_guid) $entry_guid = $item["guid"];
 772                                         if (!$entry_guid) $entry_guid = $item["link"];
 773                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 774                                 }
 775
 776                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 777                                         _debug("update_rss_feed: guid $entry_guid");
 778                                 }
 779
 780                                 if (!$entry_guid) continue;
 781
 782                                 $entry_timestamp = "";
 783
 784                                 if ($use_simplepie) {
 785                                         $entry_timestamp = strtotime($item->get_date());
 786                                 } else {
 787                                         $rss_2_date = $item['pubdate'];
 788                                         $rss_1_date = $item['dc']['date'];
 789                                         $atom_date = $item['issued'];
 790                                         if (!$atom_date) $atom_date = $item['updated'];
 791
 792                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 793                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 794                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 795                                 }
 796
 797                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 798                                         $entry_timestamp = time();
 799                                         $no_orig_date = 'true';
 800                                 } else {
 801                                         $no_orig_date = 'false';
 802                                 }
 803
 804                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 805
 806                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 807                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
 808                                 }
 809
 810                                 if ($use_simplepie) {
 811                                         $entry_title = $item->get_title();
 812                                 } else {
 813                                         $entry_title = trim(strip_tags($item["title"]));
 814                                 }
 815
 816                                 if ($use_simplepie) {
 817                                         $entry_link = $item->get_link();
 818                                 } else {
 819                                         // strange Magpie workaround
 820                                         $entry_link = $item["link_"];
 821                                         if (!$entry_link) $entry_link = $item["link"];
 822                                 }
 823
 824                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 825                                         _debug("update_rss_feed: title $entry_title");
 826                                 }
 827
 828                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 829
 830                                 $entry_link = strip_tags($entry_link);
 831
 832                                 if ($use_simplepie) {
 833                                         $entry_content = $item->get_content();
 834                                         if (!$entry_content) $entry_content = $item->get_description();
 835                                 } else {
 836                                         $entry_content = $item["content:escaped"];
 837
 838                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 839                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 840                                         if (!$entry_content) $entry_content = $item["content"];
 841
 842                                         // Magpie bugs are getting ridiculous
 843                                         if (trim($entry_content) == "Array") $entry_content = false;
 844
 845                                         if (!$entry_content) $entry_content = $item["atom_content"];
 846                                         if (!$entry_content) $entry_content = $item["summary"];
 847
 848                                         if (!$entry_content ||
 849                                                 strlen($entry_content) < strlen($item["description"])) {
 850                                                         $entry_content = $item["description"];
 851                                         };
 852
 853                                         // WTF
 854                                         if (is_array($entry_content)) {
 855                                                 $entry_content = $entry_content["encoded"];
 856                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 857                                         }
 858                                 }
 859
 860                                 if ($_GET["xdebug"]) {
 861                                         print "update_rss_feed: content: ";
 862                                         print_r(htmlspecialchars($entry_content));
 863                                 }
 864
 865                                 $entry_content_unescaped = $entry_content;
 866
 867                                 if ($use_simplepie) {
 868                                         $entry_comments = strip_tags($item->data["comments"]);
 869                                         if ($item->get_author()) {
 870                                                 $entry_author_item = $item->get_author();
 871                                                 $entry_author = $entry_author_item->get_name();
 872                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 873
 874                                                 $entry_author = db_escape_string($entry_author);
 875                                         }
 876                                 } else {
 877                                         $entry_comments = strip_tags($item["comments"]);
 878
 879                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 880
 881                                         if ($item['author']) {
 882
 883                                                 if (is_array($item['author'])) {
 884
 885                                                         if (!$entry_author) {
 886                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 887                                                         }
 888
 889                                                         if (!$entry_author) {
 890                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 891                                                         }
 892                                                 }
 893
 894                                                 if (!$entry_author) {
 895                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 896                                                 }
 897                                         }
 898                                 }
 899
 900                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 901
 902                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 903                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 904
 905                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 906                                         WHERE guid = '$entry_guid'");
 907
 908                                 $entry_content = db_escape_string($entry_content);
 909
 910                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 911
 912                                 $entry_title = db_escape_string($entry_title);
 913                                 $entry_link = db_escape_string($entry_link);
 914                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 915                                 $entry_author = mb_substr($entry_author, 0, 250);
 916
 917                                 if ($use_simplepie) {
 918                                         $num_comments = 0; #FIXME#
 919                                 } else {
 920                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 921                                 }
 922
 923                                 if (!$num_comments) $num_comments = 0;
 924
 925                                 // parse <category> entries into tags
 926
 927                                 if ($use_simplepie) {
 928
 929                                         $additional_tags = array();
 930                                         $additional_tags_src = $item->get_categories();
 931
 932                                         if (is_array($additional_tags_src)) {
 933                                                 foreach ($additional_tags_src as $tobj) {
 934                                                         array_push($additional_tags, $tobj->get_term());
 935                                                 }
 936                                         }
 937
 938                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 939                                                 _debug("update_rss_feed: category tags:");
 940                                                 print_r($additional_tags);
 941                                         }
 942
 943                                 } else {
 944
 945                                         $t_ctr = $item['category#'];
 946
 947                                         $additional_tags = false;
 948
 949                                         if ($t_ctr == 0) {
 950                                                 $additional_tags = false;
 951                                         } else if ($t_ctr > 0) {
 952                                                 $additional_tags = array($item['category']);
 953
 954                                                 if ($item['category@term']) {
 955                                                         array_push($additional_tags, $item['category@term']);
 956                                                 }
 957
 958                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 959                                                         if ($item["category#$i"]) {
 960                                                                 array_push($additional_tags, $item["category#$i"]);
 961                                                         }
 962
 963                                                         if ($item["category#$i@term"]) {
 964                                                                 array_push($additional_tags, $item["category#$i@term"]);
 965                                                         }
 966                                                 }
 967                                         }
 968
 969                                         // parse <dc:subject> elements
 970
 971                                         $t_ctr = $item['dc']['subject#'];
 972
 973                                         if ($t_ctr > 0) {
 974                                                 $additional_tags = array($item['dc']['subject']);
 975
 976                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 977                                                         if ($item['dc']["subject#$i"]) {
 978                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
 979                                                         }
 980                                                 }
 981                                         }
 982                                 }
 983
 984                                 // enclosures
 985
 986                                 $enclosures = array();
 987
 988                                 if ($use_simplepie) {
 989                                         $encs = $item->get_enclosures();
 990
 991                                         if (is_array($encs)) {
 992                                                 foreach ($encs as $e) {
 993                                                         $e_item = array(
 994                                                                 $e->link, $e->type, $e->length);
 995
 996                                                         array_push($enclosures, $e_item);
 997                                                 }
 998                                         }
 999
1000                                 } else {
1001                                         // <enclosure>
1002
1003                                         $e_ctr = $item['enclosure#'];
1004
1005                                         if ($e_ctr > 0) {
1006                                                 $e_item = array($item['enclosure@url'],
1007                                                         $item['enclosure@type'],
1008                                                         $item['enclosure@length']);
1009
1010                                                 array_push($enclosures, $e_item);
1011
1012                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1013
1014                                                         if ($item["enclosure#$i@url"]) {
1015                                                                 $e_item = array($item["enclosure#$i@url"],
1016                                                                         $item["enclosure#$i@type"],
1017                                                                         $item["enclosure#$i@length"]);
1018                                                                 array_push($enclosures, $e_item);
1019                                                         }
1020                                                 }
1021                                         }
1022
1023                                         // <media:content>
1024                                         // can there be many of those? yes -fox
1025
1026                                         $m_ctr = $item['media']['content#'];
1027
1028                                         if ($m_ctr > 0) {
1029                                                 $e_item = array($item['media']['content@url'],
1030                                                         $item['media']['content@medium'],
1031                                                         $item['media']['content@length']);
1032
1033                                                 array_push($enclosures, $e_item);
1034
1035                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1036
1037                                                         if ($item["media"]["content#$i@url"]) {
1038                                                                 $e_item = array($item["media"]["content#$i@url"],
1039                                                                         $item["media"]["content#$i@medium"],
1040                                                                         $item["media"]["content#$i@length"]);
1041                                                                 array_push($enclosures, $e_item);
1042                                                         }
1043                                                 }
1044
1045                                         }
1046                                 }
1047
1048                                 # sanitize content
1049
1050                                 $entry_content = sanitize_article_content($entry_content);
1051                                 $entry_title = sanitize_article_content($entry_title);
1052
1053                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1054                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1055                                 }
1056
1057                                 db_query($link, "BEGIN");
1058
1059                                 if (db_num_rows($result) == 0) {
1060
1061                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1062                                                 _debug("update_rss_feed: base guid not found");
1063                                         }
1064
1065                                         // base post entry does not exist, create it
1066
1067                                         $result = db_query($link,
1068                                                 "INSERT INTO ttrss_entries
1069                                                         (title,
1070                                                         guid,
1071                                                         link,
1072                                                         updated,
1073                                                         content,
1074                                                         content_hash,
1075                                                         no_orig_date,
1076                                                         date_entered,
1077                                                         comments,
1078                                                         num_comments,
1079                                                         author)
1080                                                 VALUES
1081                                                         ('$entry_title',
1082                                                         '$entry_guid',
1083                                                         '$entry_link',
1084                                                         '$entry_timestamp_fmt',
1085                                                         '$entry_content',
1086                                                         '$content_hash',
1087                                                         $no_orig_date,
1088                                                         NOW(),
1089                                                         '$entry_comments',
1090                                                         '$num_comments',
1091                                                         '$entry_author')");
1092                                 } else {
1093                                         // we keep encountering the entry in feeds, so we need to
1094                                         // update date_entered column so that we don't get horrible
1095                                         // dupes when the entry gets purged and reinserted again e.g.
1096                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1097
1098                                         $base_entry_id = db_fetch_result($result, 0, "id");
1099
1100                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
1101                                                 WHERE id = '$base_entry_id'");
1102                                 }
1103
1104                                 // now it should exist, if not - bad luck then
1105
1106                                 $result = db_query($link, "SELECT
1107                                                 id,content_hash,no_orig_date,title,
1108                                                 ".SUBSTRING_FOR_DATE."(date_entered,1,19) as date_entered,
1109                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1110                                                 num_comments
1111                                         FROM
1112                                                 ttrss_entries
1113                                         WHERE guid = '$entry_guid'");
1114
1115                                 $entry_ref_id = 0;
1116                                 $entry_int_id = 0;
1117
1118                                 if (db_num_rows($result) == 1) {
1119
1120                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1121                                                 _debug("update_rss_feed: base guid found, checking for user record");
1122                                         }
1123
1124                                         // this will be used below in update handler
1125                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1126                                         $orig_title = db_fetch_result($result, 0, "title");
1127                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1128                                         $orig_date_entered = strtotime(db_fetch_result($result,
1129                                                 0, "date_entered"));
1130
1131                                         $ref_id = db_fetch_result($result, 0, "id");
1132                                         $entry_ref_id = $ref_id;
1133
1134                                         // check for user post link to main table
1135
1136                                         // do we allow duplicate posts with same GUID in different feeds?
1137                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1138                                                 $dupcheck_qpart = "AND feed_id = '$feed'";
1139                                         } else {
1140                                                 $dupcheck_qpart = "";
1141                                         }
1142
1143 //                                      error_reporting(0);
1144
1145                                         $article_filters = get_article_filters($filters, $entry_title,
1146                                                         $entry_content, $entry_link, $entry_timestamp);
1147
1148                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1149                                                 _debug("update_rss_feed: article filters: ");
1150                                                 if (count($article_filters) != 0) {
1151                                                         print_r($article_filters);
1152                                                 }
1153                                         }
1154
1155                                         if (find_article_filter($article_filters, "filter")) {
1156                                                 db_query($link, "COMMIT"); // close transaction in progress
1157                                                 continue;
1158                                         }
1159
1160 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
1161
1162                                         $score = calculate_article_score($article_filters);
1163
1164                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1165                                                 _debug("update_rss_feed: initial score: $score");
1166                                         }
1167
1168                                         $result = db_query($link,
1169                                                 "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1170                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1171                                                         $dupcheck_qpart");
1172
1173                                         // okay it doesn't exist - create user entry
1174                                         if (db_num_rows($result) == 0) {
1175
1176                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1177                                                         _debug("update_rss_feed: user record not found, creating...");
1178                                                 }
1179
1180                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1181                                                         $unread = 'true';
1182                                                         $last_read_qpart = 'NULL';
1183                                                 } else {
1184                                                         $unread = 'false';
1185                                                         $last_read_qpart = 'NOW()';
1186                                                 }
1187
1188                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1189                                                         $marked = 'true';
1190                                                 } else {
1191                                                         $marked = 'false';
1192                                                 }
1193
1194                                                 if (find_article_filter($article_filters, 'publish')) {
1195                                                         $published = 'true';
1196                                                 } else {
1197                                                         $published = 'false';
1198                                                 }
1199
1200                                                 $result = db_query($link,
1201                                                         "INSERT INTO ttrss_user_entries
1202                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1203                                                                         published, score)
1204                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1205                                                                 $last_read_qpart, $marked, $published, '$score')");
1206
1207                                                 $result = db_query($link,
1208                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1209                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1210                                                                 feed_id = '$feed' LIMIT 1");
1211
1212                                                 if (db_num_rows($result) == 1) {
1213                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1214                                                 }
1215                                         } else {
1216                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1217                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1218                                         }
1219
1220                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1221                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1222                                         }
1223
1224                                         $post_needs_update = false;
1225
1226                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1227                                                 ($content_hash != $orig_content_hash)) {
1228 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1229                                                 $post_needs_update = true;
1230                                         }
1231
1232                                         if (db_escape_string($orig_title) != $entry_title) {
1233                                                 $post_needs_update = true;
1234                                         }
1235
1236                                         if ($orig_num_comments != $num_comments) {
1237                                                 $post_needs_update = true;
1238                                         }
1239
1240 //                                      this doesn't seem to be very reliable
1241 //
1242 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1243 //                                              $post_needs_update = true;
1244 //                                      }
1245
1246                                         // if post needs update, update it and mark all user entries
1247                                         // linking to this post as updated
1248                                         if ($post_needs_update) {
1249
1250                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1251                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1252                                                 }
1253
1254 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1255
1256                                                 db_query($link, "UPDATE ttrss_entries
1257                                                         SET title = '$entry_title', content = '$entry_content',
1258                                                                 content_hash = '$content_hash',
1259                                                                 num_comments = '$num_comments'
1260                                                         WHERE id = '$ref_id'");
1261
1262                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1263                                                         db_query($link, "UPDATE ttrss_user_entries
1264                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1265                                                 } else {
1266                                                         db_query($link, "UPDATE ttrss_user_entries
1267                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1268                                                 }
1269
1270                                         }
1271                                 }
1272
1273                                 db_query($link, "COMMIT");
1274
1275                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1276                                         _debug("update_rss_feed: assigning labels...");
1277                                 }
1278
1279                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1280                                         $owner_uid);
1281
1282                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1283                                         _debug("update_rss_feed: looking for enclosures...");
1284                                 }
1285
1286                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1287                                         print_r($enclosures);
1288                                 }
1289
1290                                 db_query($link, "BEGIN");
1291
1292                                 foreach ($enclosures as $enc) {
1293                                         $enc_url = db_escape_string($enc[0]);
1294                                         $enc_type = db_escape_string($enc[1]);
1295                                         $enc_dur = db_escape_string($enc[2]);
1296
1297                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1298                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1299
1300                                         if (db_num_rows($result) == 0) {
1301                                                 db_query($link, "INSERT INTO ttrss_enclosures
1302                                                         (content_url, content_type, title, duration, post_id) VALUES
1303                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1304                                         }
1305                                 }
1306
1307                                 db_query($link, "COMMIT");
1308
1309                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1310                                         _debug("update_rss_feed: looking for tags...");
1311                                 }
1312
1313                                 /* taaaags */
1314                                 // <a href="..." rel="tag">Xorg</a>, //
1315
1316                                 $entry_tags = null;
1317
1318                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
1319                                         $entry_content_unescaped, $entry_tags);
1320
1321 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1322                                 print_r($entry_tags);
1323                                 print "<br/></p>"; */
1324
1325                                 $entry_tags = $entry_tags[1];
1326
1327                                 # check for manual tags
1328
1329                                 $tag_filter = find_article_filter($article_filters, "tag");
1330
1331                                 if ($tag_filter) {
1332
1333                                         $manual_tags = trim_array(split(",", $tag_filter[1]));
1334
1335                                         foreach ($manual_tags as $tag) {
1336                                                 if (tag_is_valid($tag)) {
1337                                                         array_push($entry_tags, $tag);
1338                                                 }
1339                                         }
1340                                 }
1341
1342                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1343                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1344
1345                                 if ($additional_tags && is_array($additional_tags)) {
1346                                         foreach ($additional_tags as $tag) {
1347                                                 if (tag_is_valid($tag) &&
1348                                                                 array_search($tag, $boring_tags) === FALSE) {
1349                                                         array_push($entry_tags, $tag);
1350                                                 }
1351                                         }
1352                                 }
1353
1354 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1355
1356                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1357                                         print_r($entry_tags);
1358                                 }
1359
1360                                 if (count($entry_tags) > 0) {
1361
1362                                         db_query($link, "BEGIN");
1363
1364                                                 foreach ($entry_tags as $tag) {
1365
1366                                                         $tag = sanitize_tag($tag);
1367                                                         $tag = db_escape_string($tag);
1368
1369                                                         if (!tag_is_valid($tag)) continue;
1370
1371                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
1372                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1373                                                                 owner_uid = '$owner_uid' LIMIT 1");
1374
1375         //                                              print db_fetch_result($result, 0, "id");
1376
1377                                                         if ($result && db_num_rows($result) == 0) {
1378
1379                                                                 db_query($link, "INSERT INTO ttrss_tags
1380                                                                         (owner_uid,tag_name,post_int_id)
1381                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1382                                                         }
1383                                                 }
1384
1385                                         db_query($link, "COMMIT");
1386                                 }
1387
1388                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1389                                         _debug("update_rss_feed: article processed");
1390                                 }
1391                         }
1392
1393                         if (!$last_updated) {
1394                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1395                                         _debug("update_rss_feed: new feed, catching it up...");
1396                                 }
1397                                 catchup_feed($link, $feed, false, $owner_uid);
1398                         }
1399
1400                         if (!$hidden) {
1401                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1402                                         _debug("update_rss_feed: updating counters cache...");
1403                                 }
1404
1405                                 // disabled, purge_feed() does that...
1406                                 //ccache_update($link, $feed, $owner_uid);
1407                         }
1408
1409                         purge_feed($link, $feed, 0);
1410
1411                         db_query($link, "UPDATE ttrss_feeds
1412                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1413
1414 //                      db_query($link, "COMMIT");
1415
1416                 } else {
1417
1418                         if ($use_simplepie) {
1419                                 $error_msg = mb_substr($rss->error(), 0, 250);
1420                         } else {
1421                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1422                         }
1423
1424                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1425                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1426                         }
1427
1428                         $error_msg = db_escape_string($error_msg);
1429
1430                         db_query($link,
1431                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1432                                         last_updated = NOW() WHERE id = '$feed'");
1433                 }
1434
1435                 if ($use_simplepie) {
1436                         unset($rss);
1437                 }
1438
1439                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1440                         _debug("update_rss_feed: done");
1441                 }
1442
1443         }
1444
1445         function print_select($id, $default, $values, $attributes = "") {
1446                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1447                 foreach ($values as $v) {
1448                         if ($v == $default)
1449                                 $sel = " selected";
1450                          else
1451                                 $sel = "";
1452
1453                         print "<option$sel>$v</option>";
1454                 }
1455                 print "</select>";
1456         }
1457
1458         function print_select_hash($id, $default, $values, $attributes = "") {
1459                 print "<select name=\"$id\" id='$id' $attributes>";
1460                 foreach (array_keys($values) as $v) {
1461                         if ($v == $default)
1462                                 $sel = 'selected="selected"';
1463                          else
1464                                 $sel = "";
1465
1466                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1467                 }
1468
1469                 print "</select>";
1470         }
1471
1472         function get_article_filters($filters, $title, $content, $link, $timestamp) {
1473                 $matches = array();
1474
1475                 if ($filters["title"]) {
1476                         foreach ($filters["title"] as $filter) {
1477                                 $reg_exp = $filter["reg_exp"];
1478                                 $inverse = $filter["inverse"];
1479                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
1480                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1481
1482                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1483                                 }
1484                         }
1485                 }
1486
1487                 if ($filters["content"]) {
1488                         foreach ($filters["content"] as $filter) {
1489                                 $reg_exp = $filter["reg_exp"];
1490                                 $inverse = $filter["inverse"];
1491
1492                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
1493                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1494
1495                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1496                                 }
1497                         }
1498                 }
1499
1500                 if ($filters["both"]) {
1501                         foreach ($filters["both"] as $filter) {
1502                                 $reg_exp = $filter["reg_exp"];
1503                                 $inverse = $filter["inverse"];
1504
1505                                 if ($inverse) {
1506                                         if (!preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1507                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1508                                         }
1509                                 } else {
1510                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1511                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1512                                         }
1513                                 }
1514                         }
1515                 }
1516
1517                 if ($filters["link"]) {
1518                         $reg_exp = $filter["reg_exp"];
1519                         foreach ($filters["link"] as $filter) {
1520                                 $reg_exp = $filter["reg_exp"];
1521                                 $inverse = $filter["inverse"];
1522
1523                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1524                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1525
1526                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1527                                 }
1528                         }
1529                 }
1530
1531                 if ($filters["date"]) {
1532                         $reg_exp = $filter["reg_exp"];
1533                         foreach ($filters["date"] as $filter) {
1534                                 $date_modifier = $filter["filter_param"];
1535                                 $inverse = $filter["inverse"];
1536                                 $check_timestamp = strtotime($filter["reg_exp"]);
1537
1538                                 # no-op when timestamp doesn't parse to prevent misfires
1539
1540                                 if ($check_timestamp) {
1541                                         $match_ok = false;
1542
1543                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1544                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1545                                                         $match_ok = true;
1546                                         }
1547
1548                                         if ($inverse) $match_ok = !$match_ok;
1549
1550                                         if ($match_ok) {
1551                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1552                                         }
1553                                 }
1554                         }
1555                 }
1556
1557                 return $matches;
1558         }
1559
1560         function find_article_filter($filters, $filter_name) {
1561                 foreach ($filters as $f) {
1562                         if ($f[0] == $filter_name) {
1563                                 return $f;
1564                         };
1565                 }
1566                 return false;
1567         }
1568
1569         function calculate_article_score($filters) {
1570                 $score = 0;
1571
1572                 foreach ($filters as $f) {
1573                         if ($f[0] == "score") {
1574                                 $score += $f[1];
1575                         };
1576                 }
1577                 return $score;
1578         }
1579
1580         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1581                 foreach ($filters as $f) {
1582                         if ($f[0] == "label") {
1583                                 label_add_article($link, $id, $f[1], $owner_uid);
1584                         };
1585                 }
1586         }
1587
1588         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1589                 $rtl_content = false, $last_updated = false, $last_error = false,
1590                 $fg_content = false, $bg_content = false) {
1591
1592                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1593                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1594                 } else {
1595                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1596                 }
1597
1598                 if ($rtl_content) {
1599                         $rtl_tag = "dir=\"rtl\"";
1600                 } else {
1601                         $rtl_tag = "dir=\"ltr\"";
1602                 }
1603
1604                 $error_notify_msg = "";
1605
1606                 if ($last_error) {
1607                         $link_title = "Error: $last_error ($last_updated)";
1608                         $error_notify_msg = "(Error)";
1609                 } else if ($last_updated) {
1610                         $link_title = "Updated: $last_updated";
1611                 }
1612
1613                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\"
1614                         href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
1615
1616 /*              if ($feed_id < -10) {
1617                         $bg_color = "#00ccff";
1618                         $fg_color = "white";
1619                 }
1620
1621                 if ($fg_color || $bg_color) {
1622                         $color_str = "<div class='labelColorIndicator'
1623                                 style='color : $fg_color; background-color : $bg_color'>l</div>";
1624                 }
1625
1626                 print $color_str; */
1627
1628                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1629                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1630                         print "$feed_icon";
1631                 }
1632
1633                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1634
1635                 if ($unread != 0) {
1636                         $fctr_class = "class=\"feedCtrHasUnread\"";
1637                 } else {
1638                         $fctr_class = "class=\"feedCtrNoUnread\"";
1639                 }
1640
1641                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1642                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1643
1644                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1645                         $total = getFeedArticles($link, $feed_id);
1646                         print "<div class=\"feedExtInfo\">
1647                                 <span id=\"FLUPD-$feed_id\">$last_updated ($total total) $error_notify_msg</span></div>";
1648                 }
1649
1650                 print "</li>";
1651
1652         }
1653
1654         function getmicrotime() {
1655                 list($usec, $sec) = explode(" ",microtime());
1656                 return ((float)$usec + (float)$sec);
1657         }
1658
1659         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1660                 foreach ($values as $v) {
1661
1662                         if ($v == $default)
1663                                 $sel = "checked";
1664                          else
1665                                 $sel = "";
1666
1667                         if ($v == $true_is) {
1668                                 $sel .= " value=\"1\"";
1669                         } else {
1670                                 $sel .= " value=\"0\"";
1671                         }
1672
1673                         print "<input class=\"noborder\"
1674                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1675
1676                 }
1677         }
1678
1679         function initialize_user_prefs($link, $uid) {
1680
1681                 $uid = db_escape_string($uid);
1682
1683                 db_query($link, "BEGIN");
1684
1685                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1686
1687                 $u_result = db_query($link, "SELECT pref_name
1688                         FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
1689
1690                 $active_prefs = array();
1691
1692                 while ($line = db_fetch_assoc($u_result)) {
1693                         array_push($active_prefs, $line["pref_name"]);
1694                 }
1695
1696                 while ($line = db_fetch_assoc($result)) {
1697                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1698 //                              print "adding " . $line["pref_name"] . "<br>";
1699
1700                                 db_query($link, "INSERT INTO ttrss_user_prefs
1701                                         (owner_uid,pref_name,value) VALUES
1702                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1703
1704                         }
1705                 }
1706
1707                 db_query($link, "COMMIT");
1708
1709         }
1710
1711         function lookup_user_id($link, $user) {
1712
1713                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1714                         login = '$login'");
1715
1716                 if (db_num_rows($result) == 1) {
1717                         return db_fetch_result($result, 0, "id");
1718                 } else {
1719                         return false;
1720                 }
1721         }
1722
1723         function http_authenticate_user($link) {
1724
1725 //              error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1726
1727                 if (!$_SERVER["PHP_AUTH_USER"]) {
1728
1729                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1730                         header('HTTP/1.0 401 Unauthorized');
1731                         exit;
1732
1733                 } else {
1734                         $auth_result = authenticate_user($link,
1735                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1736
1737                         if (!$auth_result) {
1738                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1739                                 header('HTTP/1.0 401 Unauthorized');
1740                                 exit;
1741                         }
1742                 }
1743
1744                 return true;
1745         }
1746
1747         function authenticate_user($link, $login, $password, $force_auth = false) {
1748
1749                 if (!SINGLE_USER_MODE) {
1750
1751                         $pwd_hash1 = encrypt_password($password);
1752                         $pwd_hash2 = encrypt_password($password, $login);
1753                         $login = db_escape_string($login);
1754
1755                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1756                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1757
1758                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1759
1760                                 $query = "SELECT id,login,access_level,pwd_hash
1761                     FROM ttrss_users WHERE
1762                                         login = '$login'";
1763
1764                         } else {
1765                                 $query = "SELECT id,login,access_level,pwd_hash
1766                     FROM ttrss_users WHERE
1767                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1768                                                 pwd_hash = '$pwd_hash2')";
1769                         }
1770
1771                         $result = db_query($link, $query);
1772
1773                         if (db_num_rows($result) == 1) {
1774                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1775                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1776                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1777
1778                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1779                                         $_SESSION["uid"]);
1780
1781                                 $user_theme = get_user_theme_path($link);
1782
1783                                 $_SESSION["theme"] = $user_theme;
1784                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1785                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1786
1787                                 initialize_user_prefs($link, $_SESSION["uid"]);
1788
1789                                 return true;
1790                         }
1791
1792                         return false;
1793
1794                 } else {
1795
1796                         $_SESSION["uid"] = 1;
1797                         $_SESSION["name"] = "admin";
1798
1799                         $user_theme = get_user_theme_path($link);
1800
1801                         $_SESSION["theme"] = $user_theme;
1802                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1803
1804                         initialize_user_prefs($link, $_SESSION["uid"]);
1805
1806                         return true;
1807                 }
1808         }
1809
1810         function make_password($length = 8) {
1811
1812                 $password = "";
1813                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1814
1815         $i = 0;
1816
1817                 while ($i < $length) {
1818                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1819
1820                         if (!strstr($password, $char)) {
1821                                 $password .= $char;
1822                                 $i++;
1823                         }
1824                 }
1825                 return $password;
1826         }
1827
1828         // this is called after user is created to initialize default feeds, labels
1829         // or whatever else
1830
1831         // user preferences are checked on every login, not here
1832
1833         function initialize_user($link, $uid) {
1834
1835 /*              db_query($link, "INSERT INTO ttrss_labels2 (owner_uid, caption)
1836                         VALUES ('$uid', 'All Articles')");
1837
1838                 db_query($link, "INSERT INTO ttrss_filters
1839                         (owner_uid, feed_id, filter_type, reg_exp, enabled,
1840                                 action_id, action_param, filter_param)
1841                         VALUES ('$uid', NULL, 1, '.', true, 7, 'All Articles', 'before')"); */
1842
1843                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1844                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1845                         'http://tt-rss.org/releases.rss')");
1846
1847                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1848                         values ('$uid', 'Tiny Tiny RSS: Forum',
1849                         'http://tt-rss.org/forum/rss.php')");
1850         }
1851
1852         function logout_user() {
1853                 session_destroy();
1854                 if (isset($_COOKIE[session_name()])) {
1855                    setcookie(session_name(), '', time()-42000, '/');
1856                 }
1857         }
1858
1859         function get_script_urlpath() {
1860                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1861         }
1862
1863         function validate_session($link) {
1864                 if (SINGLE_USER_MODE) {
1865                         return true;
1866                 }
1867
1868                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1869                         if ($_SESSION["ip_address"]) {
1870                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1871                                         $_SESSION["login_error_msg"] = __("Session failed to validate (incorrect IP)");
1872                                         return false;
1873                                 }
1874                         }
1875                 }
1876
1877                 if ($_SESSION["uid"]) {
1878
1879                         $result = db_query($link,
1880                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1881
1882                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1883
1884                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1885                                 return false;
1886                         }
1887                 }
1888
1889 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1890
1891                         //print_r($_SESSION);
1892
1893                         if (time() > $_SESSION["cookie_lifetime"]) {
1894                                 return false;
1895                         }
1896                 } */
1897
1898                 return true;
1899         }
1900
1901         function login_sequence($link, $mobile = false) {
1902                 if (!SINGLE_USER_MODE) {
1903
1904                         if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1905                                 $swu = db_escape_string($_REQUEST["swu"]);
1906                                 if ($swu) {
1907                                         $_SESSION["prefs_cache"] = false;
1908                                         return authenticate_user($link, $swu, null, true);
1909                                 }
1910                         }
1911
1912                         $login_action = $_POST["login_action"];
1913
1914                         # try to authenticate user if called from login form
1915                         if ($login_action == "do_login") {
1916                                 $login = $_POST["login"];
1917                                 $password = $_POST["password"];
1918                                 $remember_me = $_POST["remember_me"];
1919
1920                                 if (authenticate_user($link, $login, $password)) {
1921                                         $_POST["password"] = "";
1922
1923                                         $_SESSION["language"] = $_POST["language"];
1924                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
1925
1926                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1927                                         exit;
1928
1929                                         return;
1930                                 } else {
1931                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
1932                                 }
1933                         }
1934
1935                         if (!$_SESSION["uid"] || !validate_session($link)) {
1936                                 render_login_form($link, $mobile);
1937                                 //header("Location: login.php");
1938                                 exit;
1939                         } else {
1940                                 /* bump login timestamp */
1941                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1942                                         $_SESSION["uid"]);
1943
1944                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1945                                         setcookie("ttrss_lang", $_SESSION["language"],
1946                                                 time() + SESSION_COOKIE_LIFETIME);
1947                                 }
1948
1949                                 /* bump counters stamp since we're getting reloaded anyway */
1950
1951                                 $_SESSION["get_all_counters_stamp"] = time();
1952                         }
1953
1954                 } else {
1955                         return authenticate_user($link, "admin", null);
1956                 }
1957         }
1958
1959         function truncate_string($str, $max_len) {
1960                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1961                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
1962                 } else {
1963                         return $str;
1964                 }
1965         }
1966
1967         function get_user_theme_path($link) {
1968                 $result = db_query($link, "SELECT theme_path
1969                         FROM
1970                                 ttrss_themes,ttrss_users
1971                         WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1972                 if (db_num_rows($result) != 0) {
1973                         return db_fetch_result($result, 0, "theme_path");
1974                 } else {
1975                         return null;
1976                 }
1977         }
1978
1979         function smart_date_time($timestamp) {
1980                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1981                         return date("G:i", $timestamp);
1982                 } else if (date("Y", $timestamp) == date("Y")) {
1983                         return date("M d, G:i", $timestamp);
1984                 } else {
1985                         return date("Y/m/d, G:i", $timestamp);
1986                 }
1987         }
1988
1989         function smart_date($timestamp) {
1990                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1991                         return "Today";
1992                 } else if (date("Y", $timestamp) == date("Y")) {
1993                         return date("D m", $timestamp);
1994                 } else {
1995                         return date("Y/m/d", $timestamp);
1996                 }
1997         }
1998
1999         function sql_bool_to_string($s) {
2000                 if ($s == "t" || $s == "1") {
2001                         return "true";
2002                 } else {
2003                         return "false";
2004                 }
2005         }
2006
2007         function sql_bool_to_bool($s) {
2008                 if ($s == "t" || $s == "1") {
2009                         return true;
2010                 } else {
2011                         return false;
2012                 }
2013         }
2014
2015         function bool_to_sql_bool($s) {
2016                 if ($s) {
2017                         return "true";
2018                 } else {
2019                         return "false";
2020                 }
2021         }
2022
2023         function toggleEvenOdd($a) {
2024                 if ($a == "even")
2025                         return "odd";
2026                 else
2027                         return "even";
2028         }
2029
2030         function sanity_check($link) {
2031
2032                 error_reporting(0);
2033
2034                 $error_code = 0;
2035                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2036                 $schema_version = db_fetch_result($result, 0, "schema_version");
2037
2038                 if ($schema_version != SCHEMA_VERSION) {
2039                         $error_code = 5;
2040                 }
2041
2042                 if (DB_TYPE == "mysql") {
2043                         $result = db_query($link, "SELECT true", false);
2044                         if (db_num_rows($result) != 1) {
2045                                 $error_code = 10;
2046                         }
2047                 }
2048
2049                 if (db_escape_string("testTEST") != "testTEST") {
2050                         $error_code = 12;
2051                 }
2052
2053                 error_reporting (DEFAULT_ERROR_LEVEL);
2054
2055                 if ($error_code != 0) {
2056                         print_error_xml($error_code);
2057                         return false;
2058                 } else {
2059                         return true;
2060                 }
2061         }
2062
2063         function file_is_locked($filename) {
2064                 if (function_exists('flock')) {
2065                         error_reporting(0);
2066                         $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2067                         error_reporting(DEFAULT_ERROR_LEVEL);
2068                         if ($fp) {
2069                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2070                                         flock($fp, LOCK_UN);
2071                                         fclose($fp);
2072                                         return false;
2073                                 }
2074                                 fclose($fp);
2075                                 return true;
2076                         } else {
2077                                 return false;
2078                         }
2079                 }
2080                 return true; // consider the file always locked and skip the test
2081         }
2082
2083         function make_lockfile($filename) {
2084                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2085
2086                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2087                         return $fp;
2088                 } else {
2089                         return false;
2090                 }
2091         }
2092
2093         function make_stampfile($filename) {
2094                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2095
2096                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2097                         fwrite($fp, time() . "\n");
2098                         flock($fp, LOCK_UN);
2099                         fclose($fp);
2100                         return true;
2101                 } else {
2102                         return false;
2103                 }
2104         }
2105
2106         function read_stampfile($filename) {
2107
2108                 error_reporting(0);
2109                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2110                 error_reporting (DEFAULT_ERROR_LEVEL);
2111
2112                 if ($fp) {
2113                         if (flock($fp, LOCK_EX)) {
2114                                 $stamp = fgets($fp);
2115                                 flock($fp, LOCK_UN);
2116                                 fclose($fp);
2117                                 return $stamp;
2118                         } else {
2119                                 return false;
2120                         }
2121                 } else {
2122                         return false;
2123                 }
2124         }
2125
2126         function sql_random_function() {
2127                 if (DB_TYPE == "mysql") {
2128                         return "RAND()";
2129                 } else {
2130                         return "RANDOM()";
2131                 }
2132         }
2133
2134         function catchup_feed($link, $feed, $cat_view, $owner_uid) {
2135
2136                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2137
2138                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2139
2140                                 if ($cat_view) {
2141
2142                                         if ($feed >= 0) {
2143
2144                                                 if ($feed > 0) {
2145                                                         $cat_qpart = "cat_id = '$feed'";
2146                                                 } else {
2147                                                         $cat_qpart = "cat_id IS NULL";
2148                                                 }
2149
2150                                                 $tmp_result = db_query($link, "SELECT id
2151                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2152
2153                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2154
2155                                                         $tmp_feed = $tmp_line["id"];
2156
2157                                                         db_query($link, "UPDATE ttrss_user_entries
2158                                                                 SET unread = false,last_read = NOW()
2159                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2160                                                 }
2161                                         } else if ($feed == -2) {
2162
2163
2164                                                 db_query($link, "UPDATE ttrss_user_entries
2165                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
2166                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
2167                                                         AND unread = true AND owner_uid = $owner_uid");
2168                                         }
2169
2170                                 } else if ($feed > 0) {
2171
2172                                         $tmp_result = db_query($link, "SELECT id
2173                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2174                                                 ORDER BY cat_id,title");
2175
2176                                         $parent_ids = array();
2177
2178                                         if (db_num_rows($tmp_result) > 0) {
2179                                                 while ($p = db_fetch_assoc($tmp_result)) {
2180                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2181                                                 }
2182
2183                                                 $children_qpart = implode(" OR ", $parent_ids);
2184
2185                                                 db_query($link, "UPDATE ttrss_user_entries
2186                                                         SET unread = false,last_read = NOW()
2187                                                         WHERE (feed_id = '$feed' OR $children_qpart)
2188                                                         AND owner_uid = $owner_uid");
2189
2190                                         } else {
2191                                                 db_query($link, "UPDATE ttrss_user_entries
2192                                                         SET unread = false,last_read = NOW()
2193                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2194                                         }
2195
2196                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2197
2198                                         if ($feed == -1) {
2199                                                 db_query($link, "UPDATE ttrss_user_entries
2200                                                         SET unread = false,last_read = NOW()
2201                                                         WHERE marked = true AND owner_uid = $owner_uid");
2202                                         }
2203
2204                                         if ($feed == -2) {
2205                                                 db_query($link, "UPDATE ttrss_user_entries
2206                                                         SET unread = false,last_read = NOW()
2207                                                         WHERE published = true AND owner_uid = $owner_uid");
2208                                         }
2209
2210                                         if ($feed == -3) {
2211
2212                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2213
2214                                                 if (DB_TYPE == "pgsql") {
2215                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2216                                                 } else {
2217                                                         $match_part = "updated > DATE_SUB(NOW(),
2218                                                                 INTERVAL $intl HOUR) ";
2219                                                 }
2220
2221                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2222                                                         ttrss_user_entries WHERE $match_part AND
2223                                                         unread = true AND
2224                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2225                                                         owner_uid = $owner_uid");
2226
2227                                                 $affected_ids = array();
2228
2229                                                 while ($line = db_fetch_assoc($result)) {
2230                                                         array_push($affected_ids, $line["id"]);
2231                                                 }
2232
2233                                                 catchupArticlesById($link, $affected_ids, 0);
2234                                         }
2235
2236                                         if ($feed == -4) {
2237                                                 db_query($link, "UPDATE ttrss_user_entries
2238                                                         SET unread = false,last_read = NOW()
2239                                                         WHERE owner_uid = $owner_uid");
2240                                         }
2241
2242                                 } else if ($feed < -10) { // label
2243
2244                                         $label_id = -$feed - 11;
2245
2246                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2247                                                 SET unread = false, last_read = NOW()
2248                                                         WHERE label_id = '$label_id' AND unread = true
2249                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2250
2251                                 }
2252
2253                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2254
2255                         } else { // tag
2256                                 db_query($link, "BEGIN");
2257
2258                                 $tag_name = db_escape_string($feed);
2259
2260                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2261                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2262
2263                                 while ($line = db_fetch_assoc($result)) {
2264                                         db_query($link, "UPDATE ttrss_user_entries SET
2265                                                 unread = false, last_read = NOW()
2266                                                 WHERE int_id = " . $line["post_int_id"]);
2267                                 }
2268                                 db_query($link, "COMMIT");
2269                         }
2270         }
2271
2272         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2273                         if ($cat_view) {
2274
2275                                 if ($feed > 0) {
2276                                         $cat_qpart = "cat_id = '$feed'";
2277                                 } else {
2278                                         $cat_qpart = "cat_id IS NULL";
2279                                 }
2280
2281                                 $tmp_result = db_query($link, "SELECT id,feed_url FROM ttrss_feeds
2282                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2283
2284                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2285                                         $feed_url = $tmp_line["feed_url"];
2286                                         $feed_id = $tmp_line["id"];
2287                                         update_rss_feed($link, $feed_url, $feed_id, $force_update);
2288                                 }
2289
2290                         } else {
2291                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
2292                                         WHERE id = '$feed'");
2293                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
2294                                 update_rss_feed($link, $feed_url, $feed, $force_update);
2295                         }
2296         }
2297
2298         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2299
2300                 if (!$omode) $omode = "flc";
2301
2302                 getGlobalCounters($link);
2303
2304                 if (strchr($omode, "l")) getLabelCounters($link);
2305                 if (strchr($omode, "f")) getFeedCounters($link, SMART_RPC_COUNTERS, $active_feed);
2306                 if (strchr($omode, "t")) getTagCounters($link);
2307                 if (strchr($omode, "c")) {
2308                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2309                                 getCategoryCounters($link);
2310                         }
2311                 }
2312         }
2313
2314         function getCategoryCounters($link) {
2315                 # two special categories are -1 and -2 (all virtuals; all labels)
2316
2317 /*              $ctr = getCategoryUnread($link, -1);
2318
2319                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>"; */
2320
2321                 $ctr = getCategoryUnread($link, -2);
2322
2323                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
2324
2325                 $age_qpart = getMaxAgeSubquery();
2326
2327                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2328                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2329                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2330                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2331
2332                 while ($line = db_fetch_assoc($result)) {
2333                         $line["cat_id"] = sprintf("%d", $line["cat_id"]);
2334
2335                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
2336                                 $line["unread"]."\"/>";
2337                 }
2338
2339                 /* Special case: NULL category doesn't actually exist in the DB */
2340
2341                 print "<counter type=\"category\" id=\"0\" counter=\"".
2342                         ccache_find($link, 0, $_SESSION["uid"], true)."\"/>";
2343
2344         }
2345
2346         function getCategoryUnread($link, $cat, $owner_uid = false) {
2347
2348                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2349
2350                 if ($cat >= 0) {
2351
2352                         if ($cat != 0) {
2353                                 $cat_query = "cat_id = '$cat'";
2354                         } else {
2355                                 $cat_query = "cat_id IS NULL";
2356                         }
2357
2358                         $age_qpart = getMaxAgeSubquery();
2359
2360                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2361                                         AND hidden = false
2362                                         AND owner_uid = " . $owner_uid);
2363
2364                         $cat_feeds = array();
2365                         while ($line = db_fetch_assoc($result)) {
2366                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2367                         }
2368
2369                         if (count($cat_feeds) == 0) return 0;
2370
2371                         $match_part = implode(" OR ", $cat_feeds);
2372
2373                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2374                                 FROM ttrss_user_entries,ttrss_entries
2375                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2376                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2377
2378                         $unread = 0;
2379
2380                         # this needs to be rewritten
2381                         while ($line = db_fetch_assoc($result)) {
2382                                 $unread += $line["unread"];
2383                         }
2384
2385                         return $unread;
2386                 } else if ($cat == -1) {
2387                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3);
2388                 } else if ($cat == -2) {
2389
2390                         $result = db_query($link, "
2391                                 SELECT COUNT(unread) AS unread FROM
2392                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2393                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2394                                         ttrss_labels2.owner_uid = '$owner_uid'
2395                                         AND unread = true AND hidden = false AND feed_id = ttrss_feeds.id
2396                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2397
2398                         $unread = db_fetch_result($result, 0, "unread");
2399
2400                         return $unread;
2401
2402                 }
2403         }
2404
2405         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2406                 if (DB_TYPE == "pgsql") {
2407                         return "ttrss_entries.date_entered >
2408                                 NOW() - INTERVAL '$days days'";
2409                 } else {
2410                         return "ttrss_entries.date_entered >
2411                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2412                 }
2413         }
2414
2415         function getFeedUnread($link, $feed, $is_cat = false) {
2416                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2417         }
2418
2419         function getLabelUnread($link, $label_id, $owner_uid = false) {
2420                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2421
2422                 $result = db_query($link, "
2423                         SELECT COUNT(unread) AS unread FROM
2424                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2425                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2426                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2427                                 AND unread = true AND hidden = false AND feed_id = ttrss_feeds.id
2428                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2429
2430                 if (db_num_rows($result) != 0) {
2431                         return db_fetch_result($result, 0, "unread");
2432                 } else {
2433                         return 0;
2434                 }
2435         }
2436
2437         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2438                 $owner_uid = false) {
2439
2440                 $n_feed = sprintf("%d", $feed);
2441
2442                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2443
2444                 if ($unread_only) {
2445                         $unread_qpart = "unread = true";
2446                 } else {
2447                         $unread_qpart = "true";
2448                 }
2449
2450                 $age_qpart = getMaxAgeSubquery();
2451
2452                 if ($is_cat) {
2453                         return getCategoryUnread($link, $n_feed, $owner_uid);
2454                 } else if ($n_feed == -1) {
2455                         $match_part = "marked = true";
2456                 } else if ($n_feed == -2) {
2457                         $match_part = "published = true";
2458                 } else if ($n_feed == -3) {
2459                         $match_part = "unread = true";
2460
2461                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2462
2463                         if (DB_TYPE == "pgsql") {
2464                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2465                         } else {
2466                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2467                         }
2468                 } else if ($n_feed == -4) {
2469                         $match_part = "true";
2470                 } else if ($n_feed > 0) {
2471
2472                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2473                                         WHERE parent_feed = '$n_feed'
2474                                         AND hidden = false
2475                                         AND owner_uid = " . $owner_uid);
2476
2477                         if (db_num_rows($result) > 0) {
2478
2479                                 $linked_feeds = array();
2480                                 while ($line = db_fetch_assoc($result)) {
2481                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2482                                 }
2483
2484                                 array_push($linked_feeds, "feed_id = $n_feed");
2485
2486                                 $match_part = implode(" OR ", $linked_feeds);
2487
2488                                 $result = db_query($link, "SELECT COUNT(int_id) AS unread
2489                                         FROM ttrss_user_entries,ttrss_entries
2490                                         WHERE   $unread_qpart AND
2491                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2492                                         $age_qpart AND
2493                                         ($match_part) AND
2494                                         owner_uid = " . $owner_uid);
2495
2496                                 $unread = 0;
2497
2498                                 # this needs to be rewritten
2499                                 while ($line = db_fetch_assoc($result)) {
2500                                         $unread += $line["unread"];
2501                                 }
2502
2503                                 return $unread;
2504
2505                         } else {
2506                                 $match_part = "feed_id = '$n_feed'";
2507                         }
2508                 } else if ($feed < -10) {
2509
2510                         $label_id = -$feed - 11;
2511
2512                         return getLabelUnread($link, $label_id, $owner_uid);
2513
2514                 }
2515
2516                 if ($match_part) {
2517
2518                         $result = db_query($link, "SELECT count(int_id) AS unread
2519                                 FROM ttrss_user_entries,ttrss_feeds,ttrss_entries WHERE
2520                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2521                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2522                                 ttrss_feeds.hidden = false AND
2523                                 $age_qpart AND
2524                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = " . $owner_uid);
2525
2526                 } else {
2527
2528                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2529                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2530                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2531                                 AND $unread_qpart AND $age_qpart AND
2532                                         ttrss_tags.owner_uid = " . $owner_uid);
2533                 }
2534
2535                 $unread = db_fetch_result($result, 0, "unread");
2536
2537                 return $unread;
2538         }
2539
2540         function getGlobalUnread($link, $user_id = false) {
2541
2542                 if (!$user_id) {
2543                         $user_id = $_SESSION["uid"];
2544                 }
2545
2546                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2547                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2548
2549                 $c_id = db_fetch_result($result, 0, "c_id");
2550
2551                 return $c_id;
2552         }
2553
2554         function getGlobalCounters($link, $global_unread = -1) {
2555                 if ($global_unread == -1) {
2556                         $global_unread = getGlobalUnread($link);
2557                 }
2558                 print "<counter type=\"global\" id='global-unread'
2559                         counter='$global_unread'/>";
2560
2561                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2562                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2563
2564                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2565
2566                 print "<counter type=\"global\" id='subscribed-feeds'
2567                         counter='$subscribed_feeds'/>";
2568
2569         }
2570
2571         function getSubscribedFeeds($link) {
2572                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2573                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2574
2575                 return db_fetch_result($result, 0, "fn");
2576         }
2577
2578         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
2579
2580                 if ($smart_mode) {
2581                         if (!$_SESSION["tctr_last_value"]) {
2582                                 $_SESSION["tctr_last_value"] = array();
2583                         }
2584                 }
2585
2586                 $old_counters = $_SESSION["tctr_last_value"];
2587
2588                 $tctrs_modified = false;
2589
2590                 $age_qpart = getMaxAgeSubquery();
2591
2592                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2593                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2594                                 AND ref_id = id AND $age_qpart
2595                                 AND unread = true)) AS count FROM ttrss_tags
2596                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2597                                 ORDER BY count DESC LIMIT 55");
2598
2599                 $tags = array();
2600
2601                 while ($line = db_fetch_assoc($result)) {
2602                         $tags[$line["tag_name"]] += $line["count"];
2603                 }
2604
2605                 foreach (array_keys($tags) as $tag) {
2606                         $unread = $tags[$tag];
2607
2608                         $tag = htmlspecialchars($tag);
2609
2610                         if (!$smart_mode || $old_counters[$tag] != $unread) {
2611                                 $old_counters[$tag] = $unread;
2612                                 $tctrs_modified = true;
2613                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2614                         }
2615
2616                 }
2617
2618                 if ($smart_mode && $tctrs_modified) {
2619                         $_SESSION["tctr_last_value"] = $old_counters;
2620                 }
2621
2622         }
2623
2624         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2625
2626                 $age_qpart = getMaxAgeSubquery();
2627
2628                 if ($smart_mode) {
2629                         if (!$_SESSION["lctr_last_value"]) {
2630                                 $_SESSION["lctr_last_value"] = array();
2631                         }
2632                 }
2633
2634                 $ret_arr = array();
2635
2636                 for ($i = -1; $i >= -4; $i--) {
2637
2638                         $count = getFeedUnread($link, $i);
2639
2640                         if (!$ret_mode) {
2641
2642                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2643                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $i) . " total)\"";
2644                                 } else {
2645                                         $xmsg_part = "";
2646                                 }
2647
2648                                 print "<counter type=\"label\" id=\"$i\" counter=\"$count\" $xmsg_part/>";
2649                         } else {
2650                                 $ret_arr[$i]["counter"] = $count;
2651                                 $ret_arr[$i]["description"] = getFeedTitle($link, $i);
2652                         }
2653
2654                 }
2655
2656                 $old_counters = $_SESSION["lctr_last_value"];
2657                 $lctrs_modified = false;
2658
2659
2660                         $owner_uid = $_SESSION["uid"];
2661
2662                         $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2663                                 WHERE owner_uid = '$owner_uid'");
2664
2665                         while ($line = db_fetch_assoc($result)) {
2666
2667                                 $id = -$line["id"] - 11;
2668
2669                                 $label_name = $line["caption"];
2670                                 $count = getFeedUnread($link, $id);
2671
2672                                 if (!$smart_mode || $old_counters[$id] != $count) {
2673                                         $old_counters[$id] = $count;
2674                                         $lctrs_modified = true;
2675                                         if (!$ret_mode) {
2676
2677                                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2678                                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2679                                                 } else {
2680                                                         $xmsg_part = "";
2681                                                 }
2682
2683                                                 print "<counter type=\"label\" id=\"$id\" counter=\"$count\" $xmsg_part/>";
2684                                         } else {
2685                                                 $ret_arr[$id]["counter"] = $count;
2686                                                 $ret_arr[$id]["description"] = $label_name;
2687                                         }
2688                                 }
2689
2690                                 error_reporting (DEFAULT_ERROR_LEVEL);
2691                         }
2692
2693                 if ($smart_mode && $lctrs_modified) {
2694                         $_SESSION["lctr_last_value"] = $old_counters;
2695                 }
2696
2697                 return $ret_arr;
2698         }
2699
2700         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS, $active_feed = false) {
2701
2702                 $age_qpart = getMaxAgeSubquery();
2703
2704                 if ($smart_mode) {
2705                         if (!$_SESSION["fctr_last_value"]) {
2706                                 $_SESSION["fctr_last_value"] = array();
2707                         }
2708                 }
2709
2710                 $old_counters = $_SESSION["fctr_last_value"];
2711
2712                 $query = "SELECT ttrss_feeds.id,
2713                                 ttrss_feeds.title,
2714                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2715                                 last_error, value AS count
2716                         FROM ttrss_feeds, ttrss_counters_cache
2717                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2718                                 AND parent_feed IS NULL
2719                                 AND ttrss_counters_cache.feed_id = id";
2720
2721                 $result = db_query($link, $query);
2722                 $fctrs_modified = false;
2723
2724                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2725
2726                 while ($line = db_fetch_assoc($result)) {
2727
2728                         $id = $line["id"];
2729                         $count = $line["count"];
2730                         $last_error = htmlspecialchars($line["last_error"]);
2731
2732                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2733                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2734                         } else {
2735                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2736                         }
2737
2738                         $last_updated = htmlspecialchars($last_updated);
2739
2740                         $has_img = feed_has_icon($id);
2741
2742                         $tmp_result = db_query($link,
2743                                 "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
2744                                         WHERE parent_feed = '$id' AND feed_id = id");
2745
2746                         $count += db_fetch_result($tmp_result, 0, "unread");
2747
2748                         if (!$smart_mode || $old_counters[$id] != $count) {
2749                                 $old_counters[$id] = $count;
2750                                 $fctrs_modified = true;
2751
2752                                 if ($last_error) {
2753                                         $error_part = "error=\"$last_error\"";
2754                                 } else {
2755                                         $error_part = "";
2756                                 }
2757
2758                                 if ($has_img) {
2759                                         $has_img_part = "hi=\"$has_img\"";
2760                                 } else {
2761                                         $has_img_part = "";
2762                                 }
2763
2764                                 if ($active_feed && $id == $active_feed) {
2765                                         $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2766                                 } else {
2767                                         $has_title_part = "";
2768                                 }
2769
2770                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2771                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2772                                 }
2773
2774                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $xmsg_part $has_title_part/>";
2775                         }
2776                 }
2777
2778                 if ($smart_mode && $fctrs_modified) {
2779                         $_SESSION["fctr_last_value"] = $old_counters;
2780                 }
2781         }
2782
2783         function get_script_dt_add() {
2784 /*              if (strpos(VERSION, ".99") === false) {
2785                         return VERSION;
2786                 } else {
2787                         return time();
2788                 } */
2789                 return time();
2790         }
2791
2792         function get_pgsql_version($link) {
2793                 $result = db_query($link, "SELECT version() AS version");
2794                 $version = split(" ", db_fetch_result($result, 0, "version"));
2795                 return $version[1];
2796         }
2797
2798         function print_error_xml($code, $add_msg = "") {
2799                 global $ERRORS;
2800
2801                 $error_msg = $ERRORS[$code];
2802
2803                 if ($add_msg) {
2804                         $error_msg = "$error_msg; $add_msg";
2805                 }
2806
2807                 print "<rpc-reply>";
2808                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2809                 print "</rpc-reply>";
2810         }
2811
2812         function subscribe_to_feed($link, $feed_link, $cat_id = 0,
2813                         $auth_login = '', $auth_pass = '') {
2814
2815                 # check for feed:http://url
2816                 $feed_link = trim(preg_replace("/^feed:/", "", $feed_link));
2817
2818                 # check for feed://URL
2819                 if (strpos($feed_link, "//") === 0) {
2820                         $feed_link = "http:$feed_link";
2821                 }
2822
2823                 if ($feed_link == "") return;
2824
2825                 if ($cat_id == "0" || !$cat_id) {
2826                         $cat_qpart = "NULL";
2827                 } else {
2828                         $cat_qpart = "'$cat_id'";
2829                 }
2830
2831                 $result = db_query($link,
2832                         "SELECT id FROM ttrss_feeds
2833                         WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
2834
2835                 if (db_num_rows($result) == 0) {
2836
2837                         $result = db_query($link,
2838                                 "INSERT INTO ttrss_feeds
2839                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2840                                 VALUES ('".$_SESSION["uid"]."', '$feed_link',
2841                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2842
2843                         $result = db_query($link,
2844                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link'
2845                                         AND owner_uid = " . $_SESSION["uid"]);
2846
2847                         $feed_id = db_fetch_result($result, 0, "id");
2848
2849                         if ($feed_id) {
2850                                 update_rss_feed($link, $feed_link, $feed_id, true);
2851                         }
2852
2853                         return true;
2854                 } else {
2855                         return false;
2856                 }
2857         }
2858
2859         function print_feed_select($link, $id, $default_id = "",
2860                 $attributes = "", $include_all_feeds = true) {
2861
2862                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2863                 if ($include_all_feeds) {
2864                         print "<option value=\"0\">".__('All feeds')."</option>";
2865                 }
2866
2867                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2868                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2869
2870                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2871                         print "<option disabled>--------</option>";
2872                 }
2873
2874                 while ($line = db_fetch_assoc($result)) {
2875                         if ($line["id"] == $default_id) {
2876                                 $is_selected = "selected";
2877                         } else {
2878                                 $is_selected = "";
2879                         }
2880
2881                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
2882
2883                         printf("<option $is_selected value='%d'>%s</option>",
2884                                 $line["id"], $title);
2885                 }
2886
2887                 print "</select>";
2888         }
2889
2890         function print_feed_cat_select($link, $id, $default_id = "",
2891                 $attributes = "", $include_all_cats = true) {
2892
2893                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2894
2895                 if ($include_all_cats) {
2896                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2897                 }
2898
2899                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2900                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2901
2902                 if (db_num_rows($result) > 0 && $include_all_cats) {
2903                         print "<option disabled>--------</option>";
2904                 }
2905
2906                 while ($line = db_fetch_assoc($result)) {
2907                         if ($line["id"] == $default_id) {
2908                                 $is_selected = "selected";
2909                         } else {
2910                                 $is_selected = "";
2911                         }
2912                         printf("<option $is_selected value='%d'>%s</option>",
2913                                 $line["id"], htmlspecialchars($line["title"]));
2914                 }
2915
2916                 print "</select>";
2917         }
2918
2919         function checkbox_to_sql_bool($val) {
2920                 return ($val == "on") ? "true" : "false";
2921         }
2922
2923         function getFeedCatTitle($link, $id) {
2924                 if ($id == -1) {
2925                         return __("Special");
2926                 } else if ($id < -10) {
2927                         return __("Labels");
2928                 } else if ($id > 0) {
2929                         $result = db_query($link, "SELECT ttrss_feed_categories.title
2930                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2931                                         cat_id = ttrss_feed_categories.id");
2932                         if (db_num_rows($result) == 1) {
2933                                 return db_fetch_result($result, 0, "title");
2934                         } else {
2935                                 return __("Uncategorized");
2936                         }
2937                 } else {
2938                         return "getFeedCatTitle($id) failed";
2939                 }
2940
2941         }
2942
2943         function getFeedIcon($id) {
2944                 switch ($id) {
2945                 case -1:
2946                         return "images/mark_set.gif";
2947                         break;
2948                 case -2:
2949                         return "images/pub_set.gif";
2950                         break;
2951                 case -3:
2952                         return "images/fresh.png";
2953                         break;
2954                 case -4:
2955                         return "images/tag.png";
2956                         break;
2957                 default:
2958                         return ICONS_URL . "/$id.ico";
2959                         break;
2960                 }
2961         }
2962
2963         function getFeedTitle($link, $id) {
2964                 if ($id == -1) {
2965                         return __("Starred articles");
2966                 } else if ($id == -2) {
2967                         return __("Published articles");
2968                 } else if ($id == -3) {
2969                         return __("Fresh articles");
2970                 } else if ($id == -4) {
2971                         return __("All articles");
2972                 } else if ($id < -10) {
2973                         $label_id = -$id - 11;
2974                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
2975                         if (db_num_rows($result) == 1) {
2976                                 return db_fetch_result($result, 0, "caption");
2977                         } else {
2978                                 return "Unknown label ($label_id)";
2979                         }
2980
2981                 } else if ($id > 0) {
2982                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2983                         if (db_num_rows($result) == 1) {
2984                                 return db_fetch_result($result, 0, "title");
2985                         } else {
2986                                 return "Unknown feed ($id)";
2987                         }
2988                 } else {
2989                         if (preg_match("/^-?[0-9][0-9]*$/", $id)) {
2990                                 return "getFeedTitle($id) failed";
2991                         } else {
2992                                 return $id;
2993                         }
2994                 }
2995
2996         }
2997
2998         function get_session_cookie_name() {
2999                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3000         }
3001
3002         function print_init_params($link) {
3003                 print "<init-params>";
3004                 if ($_SESSION["stored-params"]) {
3005                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
3006                                 if ($key) {
3007                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
3008                                         print "<param key=\"$key\" value=\"$value\"/>";
3009                                 }
3010                         }
3011                 }
3012
3013                 print "<param key=\"theme\" value=\"".$_SESSION["theme"]."\"/>";
3014                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
3015                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
3016                 print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
3017
3018                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
3019                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
3020
3021                 print "<param key=\"hide_read_feeds\" value=\"" .
3022                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
3023
3024                 print "<param key=\"enable_feed_cats\" value=\"" .
3025                         (int) get_pref($link, "ENABLE_FEED_CATS") . "\"/>";
3026
3027                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
3028                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
3029
3030                 print "<param key=\"confirm_feed_catchup\" value=\"" .
3031                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
3032
3033                 print "<param key=\"cdm_auto_catchup\" value=\"" .
3034                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
3035
3036                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
3037
3038                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
3039
3040                 print "<param key=\"default_view_mode\" value=\"" .
3041                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
3042
3043                 print "<param key=\"default_view_limit\" value=\"" .
3044                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
3045
3046                 print "<param key=\"default_view_order_by\" value=\"" .
3047                         get_pref($link, "_DEFAULT_VIEW_ORDER_BY") . "\"/>";
3048
3049                 print "<param key=\"prefs_active_tab\" value=\"" .
3050                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
3051
3052                 print "<param key=\"infobox_disable_overlay\" value=\"" .
3053                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
3054
3055                 print "<param key=\"icons_location\" value=\"" .
3056                         ICONS_URL . "\"/>";
3057
3058                 print "<param key=\"hide_read_shows_special\" value=\"" .
3059                         (int) get_pref($link, "HIDE_READ_SHOWS_SPECIAL") . "\"/>";
3060
3061                 print "<param key=\"hide_feedlist\" value=\"" .
3062                         (int) get_pref($link, "HIDE_FEEDLIST") . "\"/>";
3063
3064                 print "<param key=\"bw_limit\" value=\"".
3065                         (int) $_SESSION["bw_limit"]."\"/>";
3066
3067 //              print "<param key=\"sync_counters\" value=\"" .
3068 //                      (int) get_pref($link, "SYNC_COUNTERS") . "\"/>";
3069
3070                 print "<param key=\"sync_counters\" value=\"1\"/>";
3071
3072                 print "<param key=\"offline_enabled\" value=\"".
3073                         (int) get_pref($link, "ENABLE_OFFLINE_READING") . "\"/>";
3074
3075                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3076                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3077
3078                 $num_feeds = db_fetch_result($result, 0, "cf");
3079
3080                 print "<param key=\"num_feeds\" value=\"".
3081                         (int)$num_feeds. "\"/>";
3082
3083                 print "</init-params>";
3084         }
3085
3086         function print_runtime_info($link) {
3087                 print "<runtime-info>";
3088
3089                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3090                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3091
3092                 $num_feeds = db_fetch_result($result, 0, "cf");
3093
3094                 print "<param key=\"num_feeds\" value=\"".
3095                         (int)$num_feeds. "\"/>";
3096
3097                 if (ENABLE_UPDATE_DAEMON) {
3098                         print "<param key=\"daemon_is_running\" value=\"".
3099                                 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
3100
3101                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3102
3103                                 $stamp = (int)read_stampfile("update_daemon.stamp");
3104
3105 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
3106
3107                                 if ($stamp) {
3108                                         $stamp_delta = time() - $stamp;
3109
3110                                         if ($stamp_delta > 1800) {
3111                                                 $stamp_check = 0;
3112                                         } else {
3113                                                 $stamp_check = 1;
3114                                                 $_SESSION["daemon_stamp_check"] = time();
3115                                         }
3116
3117                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
3118
3119                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3120
3121                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
3122                                 }
3123                         }
3124                 }
3125
3126                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3127
3128                         if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3129                                 $new_version_details = check_for_update($link);
3130
3131                                 print "<param key=\"new_version_available\" value=\"".
3132                                         sprintf("%d", $new_version_details != ""). "\"/>";
3133
3134                                 $_SESSION["last_version_check"] = time();
3135                         }
3136                 }
3137
3138 //              print "<param key=\"new_version_available\" value=\"1\"/>";
3139
3140                 print "</runtime-info>";
3141         }
3142
3143         function getSearchSql($search, $match_on) {
3144
3145                 $search_query_part = "";
3146
3147                 $keywords = split(" ", $search);
3148                 $query_keywords = array();
3149
3150                 if ($match_on == "both") {
3151
3152                         foreach ($keywords as $k) {
3153                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
3154                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3155                         }
3156
3157                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3158
3159                 } else if ($match_on == "title") {
3160
3161                         foreach ($keywords as $k) {
3162                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
3163                         }
3164
3165                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3166
3167                 } else if ($match_on == "content") {
3168
3169                         foreach ($keywords as $k) {
3170                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3171                         }
3172                 }
3173
3174                 $search_query_part = implode("AND", $query_keywords);
3175
3176                 return $search_query_part;
3177         }
3178
3179         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3180
3181                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3182
3183                         if ($search) {
3184
3185                                 $search_query_part = getSearchSql($search, $match_on);
3186                                 $search_query_part .= " AND ";
3187
3188                         } else {
3189                                 $search_query_part = "";
3190                         }
3191
3192                         $view_query_part = "";
3193
3194                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3195                                 if ($search) {
3196                                         $view_query_part = " ";
3197                                 } else if ($feed != -1) {
3198                                         $unread = getFeedUnread($link, $feed, $cat_view);
3199                                         if ($unread > 0) {
3200                                                 $view_query_part = " unread = true AND ";
3201                                         }
3202                                 }
3203                         }
3204
3205                         if ($view_mode == "marked") {
3206                                 $view_query_part = " marked = true AND ";
3207                         }
3208
3209                         if ($view_mode == "unread") {
3210                                 $view_query_part = " unread = true AND ";
3211                         }
3212
3213                         if ($view_mode == "updated") {
3214                                 $view_query_part = " (last_read is null and unread = false) AND ";
3215                         }
3216
3217                         if ($limit > 0) {
3218                                 $limit_query_part = "LIMIT " . $limit;
3219                         }
3220
3221                         $vfeed_query_part = "";
3222
3223                         // override query strategy and enable feed display when searching globally
3224                         if ($search && $search_mode == "all_feeds") {
3225                                 $query_strategy_part = "ttrss_entries.id > 0";
3226                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3227                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3228                                 $query_strategy_part = "ttrss_entries.id > 0";
3229                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3230                                         id = feed_id) as feed_title,";
3231                         } else if ($feed >= 0 && $search && $search_mode == "this_cat") {
3232
3233                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3234
3235                                 $tmp_result = false;
3236
3237                                 if ($cat_view) {
3238                                         $tmp_result = db_query($link, "SELECT id
3239                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3240                                 } else {
3241                                         $tmp_result = db_query($link, "SELECT id
3242                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3243                                                         WHERE id = '$feed') AND id != '$feed'");
3244                                 }
3245
3246                                 $cat_siblings = array();
3247
3248                                 if (db_num_rows($tmp_result) > 0) {
3249                                         while ($p = db_fetch_assoc($tmp_result)) {
3250                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3251                                         }
3252
3253                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3254                                                 $feed, implode(" OR ", $cat_siblings));
3255
3256                                 } else {
3257                                         $query_strategy_part = "ttrss_entries.id > 0";
3258                                 }
3259
3260                         } else if ($feed >= 0) {
3261
3262                                 if ($cat_view) {
3263
3264                                         if ($feed > 0) {
3265                                                 $query_strategy_part = "cat_id = '$feed'";
3266                                         } else {
3267                                                 $query_strategy_part = "cat_id IS NULL";
3268                                         }
3269
3270                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3271
3272                                 } else {
3273                                         $tmp_result = db_query($link, "SELECT id
3274                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3275                                                 ORDER BY cat_id,title");
3276
3277                                         $parent_ids = array();
3278
3279                                         if (db_num_rows($tmp_result) > 0) {
3280                                                 while ($p = db_fetch_assoc($tmp_result)) {
3281                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3282                                                 }
3283
3284                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3285                                                         $feed, implode(" OR ", $parent_ids));
3286
3287                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3288                                         } else {
3289                                                 $query_strategy_part = "feed_id = '$feed'";
3290                                         }
3291                                 }
3292                         } else if ($feed == -1) { // starred virtual feed
3293                                 $query_strategy_part = "marked = true";
3294                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3295                         } else if ($feed == -2) { // published virtual feed OR labels category
3296
3297                                 if (!$cat_view) {
3298                                         $query_strategy_part = "published = true";
3299                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3300                                 } else {
3301                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3302
3303                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3304
3305                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3306                                                 ttrss_user_labels2.article_id = ref_id";
3307
3308                                 }
3309
3310                         } else if ($feed == -3) { // fresh virtual feed
3311                                 $query_strategy_part = "unread = true";
3312
3313                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3314
3315                                 if (DB_TYPE == "pgsql") {
3316                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3317                                 } else {
3318                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3319                                 }
3320
3321                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3322                         } else if ($feed == -4) { // all articles virtual feed
3323                                 $query_strategy_part = "true";
3324                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3325                         } else if ($feed <= -10) { // labels
3326                                 $label_id = -$feed - 11;
3327
3328                                 $query_strategy_part = "label_id = '$label_id' AND
3329                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3330                                         ttrss_user_labels2.article_id = ref_id";
3331
3332                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3333                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3334
3335                         } else {
3336                                 $query_strategy_part = "id > 0"; // dumb
3337                         }
3338
3339                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3340                                 $order_by = "updated";
3341                         } else {
3342                                 $order_by = "updated DESC";
3343                         }
3344
3345                         if ($view_mode != "noscores") {
3346                                 $order_by = "score DESC, $order_by";
3347                         }
3348
3349                         if ($override_order) {
3350                                 $order_by = $override_order;
3351                         }
3352
3353                         $feed_title = "";
3354
3355                         if ($search && $search_mode == "all_feeds") {
3356                                 $feed_title = __("Search results")." ($search)";
3357                         } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3358                                 $feed_title = __("Search results")." ($search, $feed)";
3359                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3360                                 $feed_title = $feed;
3361                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
3362
3363                                 if ($cat_view) {
3364
3365                                         if ($feed != 0) {
3366                                                 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
3367                                                         WHERE id = '$feed' AND owner_uid = $owner_uid");
3368                                                 $feed_title = db_fetch_result($result, 0, "title");
3369                                         } else {
3370                                                 $feed_title = __("Uncategorized");
3371                                         }
3372
3373                                         if ($search) {
3374                                                 $feed_title = __("Searched for")." $search ($feed_title)";
3375                                         }
3376
3377                                 } else {
3378
3379                                         $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds
3380                                                 WHERE id = '$feed' AND owner_uid = $owner_uid");
3381
3382                                         $feed_title = db_fetch_result($result, 0, "title");
3383                                         $feed_site_url = db_fetch_result($result, 0, "site_url");
3384                                         $last_error = db_fetch_result($result, 0, "last_error");
3385
3386                                         if ($search) {
3387                                                 $feed_title = __("Searched for") . " $search ($feed_title)";
3388                                         }
3389                                 }
3390
3391                         } else if ($feed == -1) {
3392                                 $feed_title = __("Starred articles");
3393                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3394                         } else if ($feed == -2) {
3395                                 if (!$cat_view) {
3396                                         $feed_title = __("Published articles");
3397                                         if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3398                                 } else {
3399                                         $feed_title = __("Labels");
3400                                 }
3401                         } else if ($feed == -3) {
3402                                 $feed_title = __("Fresh articles");
3403                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3404                         } else if ($feed == -4) {
3405                                 $feed_title = __("All articles");
3406                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3407                         } else if ($feed < -10) {
3408                                 $label_id = -$feed - 11;
3409                                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
3410                                         WHERE id = '$label_id'");
3411                                 $feed_title = db_fetch_result($result, 0, "caption");
3412
3413                                 if ($search) {
3414                                         $feed_title = __("Searched for") . " $search ($feed_title)";
3415                                 }
3416                         } else {
3417                                 $feed_title = "?";
3418                         }
3419
3420                         $content_query_part = "content as content_preview,";
3421
3422                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3423
3424                                 if ($feed >= 0) {
3425                                         $feed_kind = "Feeds";
3426                                 } else {
3427                                         $feed_kind = "Labels";
3428                                 }
3429
3430                                 if ($limit_query_part) {
3431                                         $offset_query_part = "OFFSET $offset";
3432                                 }
3433
3434                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3435                                         if (!$override_order) {
3436                                                 $order_by = "ttrss_feeds.title, $order_by";
3437                                         }
3438
3439                                         // Special output for Fresh feed
3440
3441 /*                                      if ($feed == -3) {
3442                                                 $group_limit_part = "(select count(*) from
3443                                                         ttrss_user_entries AS t1, ttrss_entries AS t2 where
3444                                                                 t1.ref_id = t2.id and t1.owner_uid = 2 and
3445                                                                 t1.feed_id = ttrss_user_entries.feed_id and
3446                                                                 t2.updated > ttrss_entries.updated) <= 5 AND";
3447 } */
3448                                 }
3449
3450                                 $query = "SELECT DISTINCT
3451                                                 guid,
3452                                                 ttrss_entries.id,ttrss_entries.title,
3453                                                 updated,
3454                                                 note,
3455                                                 unread,feed_id,marked,published,link,last_read,
3456                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3457                                                 $vfeed_query_part
3458                                                 $content_query_part
3459                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3460                                                 author,score
3461                                         FROM
3462                                                 ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part
3463                                         WHERE
3464                                         $group_limit_part
3465                                         ttrss_feeds.hidden = false AND
3466                                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
3467                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3468                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3469                                         $search_query_part
3470                                         $view_query_part
3471                                         $query_strategy_part ORDER BY $order_by
3472                                         $limit_query_part $offset_query_part";
3473
3474                                 if ($_GET["debug"]) print $query;
3475
3476                                 $result = db_query($link, $query);
3477
3478                         } else {
3479                                 // browsing by tag
3480
3481                                 $feed_kind = "Tags";
3482
3483                                 $result = db_query($link, "SELECT
3484                                         guid,
3485                                         note,
3486                                         ttrss_entries.id as id,title,
3487                                         updated,
3488                                         unread,feed_id,
3489                                         marked,link,last_read,
3490                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3491                                         $vfeed_query_part
3492                                         $content_query_part
3493                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3494                                         score
3495                                         FROM
3496                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3497                                         WHERE
3498                                                 ref_id = ttrss_entries.id AND
3499                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3500                                                 post_int_id = int_id AND tag_name = '$feed' AND
3501                                                 $view_query_part
3502                                                 $search_query_part
3503                                                 $query_strategy_part ORDER BY $order_by
3504                                         $limit_query_part");
3505                         }
3506
3507                         return array($result, $feed_title, $feed_site_url, $last_error);
3508
3509         }
3510
3511         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3512                 $limit, $search, $search_mode, $match_on) {
3513
3514                 $note_style =   "float : right; background-color : #fff7d5; border-width : 1px; ".
3515                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3516                         "margin-bottom : 1em; color : #9a8c59;";
3517
3518                 if (!$limit) $limit = 30;
3519
3520                 $qfh_ret = queryFeedHeadlines($link, $feed,
3521                         $limit, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3522                         $owner_uid);
3523
3524                 $result = $qfh_ret[0];
3525                 $feed_title = htmlspecialchars($qfh_ret[1]);
3526                 $feed_site_url = $qfh_ret[2];
3527                 $last_error = $qfh_ret[3];
3528
3529 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3530
3531                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3532                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3533                         <rss version=\"2.0\">
3534                         <channel>
3535                         <title>$feed_title</title>
3536                         <link>$feed_site_url</link>
3537                         <description>Feed generated by Tiny Tiny RSS</description>";
3538
3539                 while ($line = db_fetch_assoc($result)) {
3540                         print "<item>";
3541                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3542                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3543
3544                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3545
3546                         foreach ($tags as $tag) {
3547                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3548                         }
3549
3550                         $rfc822_date = date('r', strtotime($line["updated"]));
3551
3552                         print "<pubDate>$rfc822_date</pubDate>";
3553
3554                         print "<title>" .
3555                                 htmlspecialchars($line["title"]) . "</title>";
3556
3557                         print "<description><![CDATA[";
3558
3559                         if ($line["note"]) {
3560                                 print "<div style='$note_style'>";
3561                                 print $line["note"];
3562                                 print "</div>";
3563                         }
3564
3565                         print sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3566                         print "]]></description>";
3567
3568                         print "</item>";
3569                 }
3570
3571                 print "</channel></rss>";
3572
3573         }
3574
3575         function getCategoryTitle($link, $cat_id) {
3576
3577                 if ($cat_id == -1) {
3578                         return __("Special");
3579                 } else if ($cat_id == -2) {
3580                         return __("Labels");
3581                 } else {
3582
3583                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3584                                 id = '$cat_id'");
3585
3586                         if (db_num_rows($result) == 1) {
3587                                 return db_fetch_result($result, 0, "title");
3588                         } else {
3589                                 return "Uncategorized";
3590                         }
3591                 }
3592         }
3593
3594         function strip_tags_long($string, $allowed) {
3595
3596                 $config = HTMLPurifier_Config::createDefault();
3597
3598                 $config->set('HTML', 'Allowed', $allowed);
3599                 $purifier = new HTMLPurifier($config);
3600
3601                 return $purifier->purify($string);
3602
3603         }
3604
3605         // http://ru2.php.net/strip-tags
3606
3607 /*      function strip_tags_long($textstring, $allowed){
3608         while($textstring != strip_tags($textstring, $allowed))
3609     {
3610     while (strlen($textstring) != 0)
3611          {
3612          if (strlen($textstring) > 1024) {
3613               $otherlen = 1024;
3614          } else {
3615               $otherlen = strlen($textstring);
3616          }
3617          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3618          $safetext .= $temptext;
3619          $textstring = substr_replace($textstring,'',0,$otherlen);
3620          }
3621     $textstring = $safetext;
3622     }
3623         return $textstring;
3624 } */
3625
3626
3627         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false) {
3628                 $res = $str;
3629
3630                 if (!$owner) $owner = $_SESSION["uid"];
3631
3632                 if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3633
3634 //                      $res = strip_tags_long($res,
3635 //                              "<p><a><i><em><b><strong><code><pre><blockquote><br><img><ul><ol><li>");
3636
3637                         $res = strip_tags_long($res,
3638                                 "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4");
3639
3640                 }
3641
3642                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3643
3644                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3645
3646                 }
3647
3648                 return $res;
3649         }
3650
3651         /**
3652          * Send by mail a digest of last articles.
3653          *
3654          * @param mixed $link The database connection.
3655          * @param integer $limit The maximum number of articles by digest.
3656          * @return boolean Return false if digests are not enabled.
3657          */
3658         function send_headlines_digests($link, $limit = 100) {
3659
3660                 if (!DIGEST_ENABLE) return false;
3661
3662                 $user_limit = DIGEST_EMAIL_LIMIT;
3663                 $days = 1;
3664
3665                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3666
3667                 if (DB_TYPE == "pgsql") {
3668                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3669                 } else if (DB_TYPE == "mysql") {
3670                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3671                 }
3672
3673                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3674                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3675
3676                 while ($line = db_fetch_assoc($result)) {
3677
3678                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3679                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3680
3681                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3682
3683                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3684                                 $digest = $tuple[0];
3685                                 $headlines_count = $tuple[1];
3686                                 $affected_ids = $tuple[2];
3687                                 $digest_text = $tuple[3];
3688
3689                                 if ($headlines_count > 0) {
3690
3691                                         $mail = new PHPMailer();
3692
3693                                         $mail->PluginDir = "lib/phpmailer/";
3694                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3695
3696                                         $mail->CharSet = "UTF-8";
3697
3698                                         $mail->From = DIGEST_FROM_ADDRESS;
3699                                         $mail->FromName = DIGEST_FROM_NAME;
3700                                         $mail->AddAddress($line["email"], $line["login"]);
3701
3702                                         if (DIGEST_SMTP_HOST) {
3703                                                 $mail->Host = DIGEST_SMTP_HOST;
3704                                                 $mail->Mailer = "smtp";
3705                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3706                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3707                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3708                                         }
3709
3710                                         $mail->IsHTML(true);
3711                                         $mail->Subject = DIGEST_SUBJECT;
3712                                         $mail->Body = $digest;
3713                                         $mail->AltBody = $digest_text;
3714
3715                                         $rc = $mail->Send();
3716
3717                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3718
3719                                         print "RC=$rc\n";
3720
3721                                         if ($rc && $do_catchup) {
3722                                                 print "Marking affected articles as read...\n";
3723                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3724                                         }
3725
3726                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3727                                                         WHERE id = " . $line["id"]);
3728                                 } else {
3729                                         print "No headlines\n";
3730                                 }
3731                         }
3732                 }
3733
3734                 print "All done.\n";
3735
3736         }
3737
3738         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3739
3740                 require_once "lib/MiniTemplator.class.php";
3741
3742                 $tpl = new MiniTemplator;
3743                 $tpl_t = new MiniTemplator;
3744
3745                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3746                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3747
3748                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3749                 $tpl->setVariable('CUR_TIME', date('G:i'));
3750
3751                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3752                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3753
3754                 $affected_ids = array();
3755
3756                 if (DB_TYPE == "pgsql") {
3757                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3758                 } else if (DB_TYPE == "mysql") {
3759                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3760                 }
3761
3762                 $result = db_query($link, "SELECT ttrss_entries.title,
3763                                 ttrss_feeds.title AS feed_title,
3764                                 date_entered,
3765                                 ttrss_user_entries.ref_id,
3766                                 link,
3767                                 SUBSTRING(content, 1, 120) AS excerpt,
3768                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3769                         FROM
3770                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3771                         WHERE
3772                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3773                                 AND include_in_digest = true
3774                                 AND $interval_query
3775                                 AND hidden = false
3776                                 AND ttrss_user_entries.owner_uid = $user_id
3777                                 AND unread = true
3778                         ORDER BY ttrss_feeds.title, date_entered DESC
3779                         LIMIT $limit");
3780
3781                 $cur_feed_title = "";
3782
3783                 $headlines_count = db_num_rows($result);
3784
3785                 $headlines = array();
3786
3787                 while ($line = db_fetch_assoc($result)) {
3788                         array_push($headlines, $line);
3789                 }
3790
3791                 for ($i = 0; $i < sizeof($headlines); $i++) {
3792
3793                         $line = $headlines[$i];
3794
3795                         array_push($affected_ids, $line["ref_id"]);
3796
3797                         $updated = smart_date_time(strtotime($line["last_updated"]));
3798
3799                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3800                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3801                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3802                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3803                         $tpl->setVariable('ARTICLE_EXCERPT',
3804                                 truncate_string(strip_tags($line["excerpt"]), 100));
3805
3806                         $tpl->addBlock('article');
3807
3808                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3809                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3810                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3811                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3812 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3813 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3814
3815                         $tpl_t->addBlock('article');
3816
3817                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3818                                 $tpl->addBlock('feed');
3819                                 $tpl_t->addBlock('feed');
3820                         }
3821
3822                 }
3823
3824                 $tpl->addBlock('digest');
3825                 $tpl->generateOutputToString($tmp);
3826
3827                 $tpl_t->addBlock('digest');
3828                 $tpl_t->generateOutputToString($tmp_t);
3829
3830                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3831         }
3832
3833         function check_for_update($link) {
3834                 $releases_feed = "http://tt-rss.org/releases.rss";
3835
3836                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3837                         return;
3838                 }
3839
3840                 error_reporting(0);
3841                 if (ENABLE_SIMPLEPIE) {
3842                         $rss = new SimplePie();
3843                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3844 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3845                         $rss->set_feed_url($fetch_url);
3846                         $rss->set_output_encoding('UTF-8');
3847                         $rss->init();
3848                 } else {
3849                         $rss = fetch_rss($releases_feed);
3850                 }
3851                 error_reporting (DEFAULT_ERROR_LEVEL);
3852
3853                 if ($rss) {
3854
3855                         if (ENABLE_SIMPLEPIE) {
3856                                 $items = $rss->get_items();
3857                         } else {
3858                                 $items = $rss->items;
3859
3860                                 if (!$items || !is_array($items)) $items = $rss->entries;
3861                                 if (!$items || !is_array($items)) $items = $rss;
3862                         }
3863
3864                         if (!is_array($items) || count($items) == 0) {
3865                                 return;
3866                         }
3867
3868                         $latest_item = $items[0];
3869
3870                         if (ENABLE_SIMPLEPIE) {
3871                                 $last_title = $latest_item->get_title();
3872                         } else {
3873                                 $last_title = $latest_item["title"];
3874                         }
3875
3876                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3877
3878                         if (ENABLE_SIMPLEPIE) {
3879                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3880                                 $content = sanitize_rss($link, $latest_item->get_description());
3881                         } else {
3882                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3883                                 $content = sanitize_rss($link, $latest_item["description"]);
3884                         }
3885
3886                         if (version_compare(VERSION, $latest_version) == -1) {
3887                                 return sprintf("New version of Tiny-Tiny RSS (%s) is available:",
3888                                         $latest_version)."<div class='milestoneDetails'>$content</div>";
3889                         } else {
3890                                 return false;
3891                         }
3892                 }
3893         }
3894
3895         function markArticlesById($link, $ids, $cmode) {
3896
3897                 $tmp_ids = array();
3898
3899                 foreach ($ids as $id) {
3900                         array_push($tmp_ids, "ref_id = '$id'");
3901                 }
3902
3903                 $ids_qpart = join(" OR ", $tmp_ids);
3904
3905                 if ($cmode == 0) {
3906                         db_query($link, "UPDATE ttrss_user_entries SET
3907                         marked = false,last_read = NOW()
3908                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3909                 } else if ($cmode == 1) {
3910                         db_query($link, "UPDATE ttrss_user_entries SET
3911                         marked = true
3912                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3913                 } else {
3914                         db_query($link, "UPDATE ttrss_user_entries SET
3915                         marked = NOT marked,last_read = NOW()
3916                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3917                 }
3918         }
3919
3920         function publishArticlesById($link, $ids, $cmode) {
3921
3922                 $tmp_ids = array();
3923
3924                 foreach ($ids as $id) {
3925                         array_push($tmp_ids, "ref_id = '$id'");
3926                 }
3927
3928                 $ids_qpart = join(" OR ", $tmp_ids);
3929
3930                 if ($cmode == 0) {
3931                         db_query($link, "UPDATE ttrss_user_entries SET
3932                         published = false,last_read = NOW()
3933                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3934                 } else if ($cmode == 1) {
3935                         db_query($link, "UPDATE ttrss_user_entries SET
3936                         published = true
3937                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3938                 } else {
3939                         db_query($link, "UPDATE ttrss_user_entries SET
3940                         published = NOT published,last_read = NOW()
3941                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3942                 }
3943         }
3944
3945         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
3946
3947                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3948
3949                 $tmp_ids = array();
3950
3951                 foreach ($ids as $id) {
3952                         array_push($tmp_ids, "ref_id = '$id'");
3953                 }
3954
3955                 $ids_qpart = join(" OR ", $tmp_ids);
3956
3957                 if ($cmode == 0) {
3958                         db_query($link, "UPDATE ttrss_user_entries SET
3959                         unread = false,last_read = NOW()
3960                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3961                 } else if ($cmode == 1) {
3962                         db_query($link, "UPDATE ttrss_user_entries SET
3963                         unread = true
3964                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3965                 } else {
3966                         db_query($link, "UPDATE ttrss_user_entries SET
3967                         unread = NOT unread,last_read = NOW()
3968                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3969                 }
3970
3971                 /* update ccache */
3972
3973                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
3974                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3975
3976                 while ($line = db_fetch_assoc($result)) {
3977                         ccache_update($link, $line["feed_id"], $owner_uid);
3978                 }
3979         }
3980
3981         function catchupArticleById($link, $id, $cmode) {
3982
3983                 if ($cmode == 0) {
3984                         db_query($link, "UPDATE ttrss_user_entries SET
3985                         unread = false,last_read = NOW()
3986                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3987                 } else if ($cmode == 1) {
3988                         db_query($link, "UPDATE ttrss_user_entries SET
3989                         unread = true
3990                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3991                 } else {
3992                         db_query($link, "UPDATE ttrss_user_entries SET
3993                         unread = NOT unread,last_read = NOW()
3994                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3995                 }
3996         }
3997
3998         function make_guid_from_title($title) {
3999                 return preg_replace("/[ \"\',.:;]/", "-",
4000                         mb_strtolower(strip_tags($title), 'utf-8'));
4001         }
4002
4003         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4004                         $feed_id, $is_cat, $search, $match_on,
4005                         $search_mode) {
4006
4007                         print "<div class=\"headlinesSubToolbar\">";
4008
4009                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
4010                         $page_next_link = "javascript:viewFeedGoPage(1)";
4011                         $page_first_link = "javascript:viewFeedGoPage(0)";
4012
4013                         $catchup_page_link = "javascript:catchupPage()";
4014                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
4015                         $catchup_sel_link = "javascript:catchupSelection()";
4016
4017                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4018
4019                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
4020                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
4021                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
4022                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4023
4024                                 $tog_unread_link = "javascript:selectionToggleUnread()";
4025                                 $tog_marked_link = "javascript:selectionToggleMarked()";
4026                                 $tog_published_link = "javascript:selectionTogglePublished()";
4027
4028                         } else {
4029
4030                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
4031                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
4032                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
4033
4034                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4035
4036                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
4037                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
4038                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
4039
4040                         }
4041
4042                         print "<div id=\"subtoolbar_ftitle\">";
4043
4044                         if ($feed_site_url) {
4045                                 if (!$bottom) {
4046                                         $target = "target=\"_blank\"";
4047                                 }
4048                                 print "<a $target href=\"$feed_site_url\">".
4049                                         truncate_string($feed_title,30)."</a>";
4050                         } else {
4051                                 print $feed_title;
4052                         }
4053
4054                         if ($search) {
4055                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4056                         }
4057
4058                         print "
4059                                 <a target=\"_blank\"
4060                                         href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
4061                                         <img class=\"noborder\"
4062                                                 alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
4063                                                 </a>";
4064
4065                         print "</div>";
4066
4067                         print __('Select:')."
4068                                 <a href=\"$sel_all_link\">".__('All')."</a>,
4069                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
4070                                 <a href=\"$sel_inv_link\">".__('Invert')."</a>,
4071                                 <a href=\"$sel_none_link\">".__('None')."</a></li>";
4072
4073                         print "&nbsp;&nbsp;";
4074
4075                         print "<span
4076                                 onmouseover=\"enable_selection(false)\"
4077             onmouseout=\"enable_selection(true)\"
4078                                 onclick=\"toggleHeadlineActions()\" id=\"headlineActionsDrop\">".
4079                                 __("Actions...") . "&nbsp;&nbsp;<img width='11' height'7'
4080                                 src=\"images/down_arrow.png\">
4081                                 </span>";
4082
4083                         print "<ul id=\"headlineActionsBody\" style=\"display : none\">";
4084
4085                         print "<li class=\"insensitive\">".__('Selection toggle:')."</li>
4086                                 <li onclick=\"$tog_unread_link\">&nbsp;&nbsp;".__('Unread')."</li>
4087                                 <li onclick=\"$tog_marked_link\">&nbsp;&nbsp;".__('Starred')."</li>
4088                                 <li onclick=\"$tog_published_link\">&nbsp;&nbsp;".__('Published')."</li>
4089                                 <!-- <li><span class=\"insensitive\">--------</span></li> -->
4090                                 <li class=\"insensitive\">".__('Mark as read:')."</li>
4091                                 <li onclick=\"$catchup_sel_link\">&nbsp;&nbsp;".__('Selection')."</li>";
4092
4093                         print "<li onclick=\"$catchup_feed_link\">&nbsp;&nbsp;".__('Entire feed').
4094                                 "</li>";
4095
4096                         //print "<li><span class=\"insensitive\">--------</span></li>";
4097                         print "<li class=\"insensitive\">".__('Assign label:')."</li>";
4098
4099                         print_labels_headlines_dropdown($link, $feed_id);
4100
4101                         print "</ul>";
4102
4103                         print "</div>";
4104                 }
4105
4106         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
4107
4108                         $tmp_category = getCategoryTitle($link, $cat_id);
4109
4110                         if ($cat_id > 0) {
4111                                 $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
4112                         } else if ($cat_id == 0 || $cat_id == -2) {
4113                                 $cat_unread = getCategoryUnread($link, $cat_id);
4114                         }
4115
4116                         if ($hidden) {
4117                                 $holder_style = "display:none;";
4118                                 $ellipsis = "…";
4119                         } else {
4120                                 $holder_style = "";
4121                                 $ellipsis = "";
4122                         }
4123
4124                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4125
4126                         if ($can_browse) {
4127                                 $browse_cat_link = "onclick=\"javascript:viewCategory($cat_id)\"";
4128                                 $inner_title_class = "catTitle";
4129                         } else {
4130                                 $browse_cat_link = "";
4131                                 $inner_title_class = "catTitleNL";
4132                         }
4133
4134                         $cat_class = "feedCat";
4135
4136                         print "<li class=\"$cat_class\" id=\"FCAT-$cat_id\">
4137                                 <img onclick=\"toggleCollapseCat($cat_id)\" class=\"catCollapse\"
4138                                         title=\"".__('Click to collapse category')."\"
4139                                         src=\"images/cat-collapse.png\"><span class=\"$inner_title_class\"
4140                                         id=\"FCATN-$cat_id\" $browse_cat_link/>$tmp_category</span>";
4141
4142                         print "<span id=\"FCAP-$cat_id\">";
4143
4144                         print " <span id=\"FCATCTR-$cat_id\"
4145                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4146
4147                         print "</span>";
4148
4149                         //print "</li>";
4150
4151                         print "<ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4152
4153         }
4154
4155         function outputFeedList($link, $tags = false) {
4156
4157                 print "<ul class=\"feedList\" id=\"feedList\">";
4158
4159                 $owner_uid = $_SESSION["uid"];
4160
4161                 /* virtual feeds */
4162
4163                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4164
4165                         if ($_COOKIE["ttrss_vf_vclps"] == 1) {
4166                                 $cat_hidden = true;
4167                         } else {
4168                                 $cat_hidden = false;
4169                         }
4170
4171                         printCategoryHeader($link, -1, $cat_hidden, false);
4172                 }
4173
4174                 $num_starred = getFeedUnread($link, -1);
4175                 $num_published = getFeedUnread($link, -2);
4176                 $num_fresh = getFeedUnread($link, -3);
4177                 $num_total = getFeedUnread($link, -4);
4178
4179                 $class = "virt";
4180
4181                 if ($num_total > 0) $class .= "Unread";
4182
4183                 printFeedEntry(-4, $class, __("All articles"), $num_total,
4184                         "images/tag.png", $link);
4185
4186                 $class = "virt";
4187
4188                 if ($num_fresh > 0) $class .= "Unread";
4189
4190                 printFeedEntry(-3, $class, __("Fresh articles"), $num_fresh,
4191                         "images/fresh.png", $link);
4192
4193                 $class = "virt";
4194
4195                 if ($num_starred > 0) $class .= "Unread";
4196
4197                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4198
4199                 if ($is_ie) {
4200                         $mark_img_ext = "gif";
4201                 } else {
4202                         $mark_img_ext = "png";
4203                 }
4204
4205                 printFeedEntry(-1, $class, __("Starred articles"), $num_starred,
4206                         "images/mark_set.$mark_img_ext", $link);
4207
4208                 $class = "virt";
4209
4210                 if ($num_published > 0) $class .= "Unread";
4211
4212                 printFeedEntry(-2, $class, __("Published articles"), $num_published,
4213                         "images/pub_set.gif", $link);
4214
4215                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4216                         print "</ul></li>";
4217                 }
4218
4219                 if (!$tags) {
4220
4221
4222                                 $result = db_query($link, "SELECT * FROM
4223                                         ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4224
4225                                 if (db_num_rows($result) > 0) {
4226                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4227
4228                                                 if ($_COOKIE["ttrss_vf_lclps"] == 1) {
4229                                                         $cat_hidden = true;
4230                                                 } else {
4231                                                         $cat_hidden = false;
4232                                                 }
4233
4234                                                 printCategoryHeader($link, -2, $cat_hidden, true);
4235
4236                                         } else {
4237                                                 print "<li><hr></li>";
4238                                         }
4239                                 }
4240
4241                                 while ($line = db_fetch_assoc($result)) {
4242
4243                                         $label_id = -$line['id'] - 11;
4244                                         $count = getFeedUnread($link, $label_id);
4245
4246                                         $class = "label";
4247
4248                                         if ($count > 0) {
4249                                                 $class .= "Unread";
4250                                         }
4251
4252                                         printFeedEntry($label_id,
4253                                                 $class, $line["caption"],
4254                                                 $count, "images/label.png", $link,
4255                                                 false, false, false,
4256                                                 $line['fg_color'], $line['bg_color']);
4257
4258                                 }
4259
4260                                 if (db_num_rows($result) > 0) {
4261                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4262                                                 print "</ul>";
4263                                         }
4264                                 }
4265
4266
4267                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4268                                 print "<li><hr></li>";
4269                         }
4270
4271                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4272                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4273                                         $order_by_qpart = "order_id,category,unread DESC,title";
4274                                 } else {
4275                                         $order_by_qpart = "order_id,category,title";
4276                                 }
4277                         } else {
4278                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4279                                         $order_by_qpart = "unread DESC,title";
4280                                 } else {
4281                                         $order_by_qpart = "title";
4282                                 }
4283                         }
4284
4285                         $age_qpart = getMaxAgeSubquery();
4286
4287                         $query = "SELECT ttrss_feeds.*,
4288                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4289                                 cat_id,last_error,
4290                                 ttrss_feed_categories.title AS category,
4291                                 ttrss_feed_categories.collapsed,
4292                                 value AS unread
4293                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4294                                         ON (ttrss_feed_categories.id = cat_id)
4295                                 LEFT JOIN ttrss_counters_cache
4296                                         ON
4297                                                 (ttrss_feeds.id = feed_id)
4298                                 WHERE
4299                                         ttrss_feeds.hidden = false AND
4300                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4301                                 ORDER BY $order_by_qpart";
4302
4303                         $result = db_query($link, $query);
4304
4305                         $actid = $_GET["actid"];
4306
4307                         /* real feeds */
4308
4309                         $lnum = 0;
4310
4311                         $total_unread = 0;
4312
4313                         $category = "";
4314
4315                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4316
4317                         while ($line = db_fetch_assoc($result)) {
4318
4319                                 $feed = htmlspecialchars(trim($line["title"]));
4320
4321                                 if (!$feed) $feed = "[Untitled]";
4322
4323                                 $feed_id = $line["id"];
4324                                 $unread = $line["unread"];
4325
4326                                 $subop = $_GET["subop"];
4327
4328                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4329                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4330                                 } else {
4331                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4332                                 }
4333
4334                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4335
4336                                 if ($rtl_content) {
4337                                         $rtl_tag = "dir=\"RTL\"";
4338                                 } else {
4339                                         $rtl_tag = "";
4340                                 }
4341
4342                                 $tmp_result = db_query($link,
4343                                         "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
4344                                                 WHERE parent_feed = '$feed_id' AND feed_id = id");
4345
4346                                 $unread += db_fetch_result($tmp_result, 0, "unread");
4347
4348                                 $cat_id = $line["cat_id"];
4349
4350                                 $tmp_category = $line["category"];
4351
4352                                 if (!$tmp_category) {
4353                                         $tmp_category = __("Uncategorized");
4354                                 }
4355
4356         //                      $class = ($lnum % 2) ? "even" : "odd";
4357
4358                                 if ($line["last_error"]) {
4359                                         $class = "error";
4360                                 } else {
4361                                         $class = "feed";
4362                                 }
4363
4364                                 if ($unread > 0) $class .= "Unread";
4365
4366                                 if ($actid == $feed_id) {
4367                                         $class .= "Selected";
4368                                 }
4369
4370                                 $total_unread += $unread;
4371
4372                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4373
4374                                         if ($category) {
4375                                                 print "</ul></li>";
4376                                         }
4377
4378                                         $category = $tmp_category;
4379
4380                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4381
4382                                         // workaround for NULL category
4383                                         if ($category == __("Uncategorized")) {
4384                                                 if ($_COOKIE["ttrss_vf_uclps"] == 1) {
4385                                                         $collapsed = "t";
4386                                                 }
4387                                         }
4388
4389                                         $cat_id = sprintf("%d", $cat_id);
4390
4391                                         printCategoryHeader($link, $cat_id, $collapsed, true);
4392
4393                                 }
4394
4395                                 printFeedEntry($feed_id, $class, $feed, $unread,
4396                                         ICONS_URL."/$feed_id.ico", $link, $rtl_content,
4397                                         $last_updated, $line["last_error"]);
4398
4399                                 ++$lnum;
4400                         }
4401
4402                         if (db_num_rows($result) == 0) {
4403                                 print "<li>".__('No feeds to display.')."</li>";
4404                         }
4405
4406                 } else {
4407
4408                         // tags
4409
4410 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4411                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4412                                 post_int_id = ttrss_user_entries.int_id AND
4413                                 unread = true AND ref_id = ttrss_entries.id
4414                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4415                         UNION
4416                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4417                         ORDER BY tag_name"); */
4418
4419                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4420                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4421                                 print "<ul class=\"feedCatList\">";
4422                         }
4423
4424                         $age_qpart = getMaxAgeSubquery();
4425
4426                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4427                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4428                                         AND ref_id = id AND $age_qpart
4429                                         AND unread = true)) AS count FROM ttrss_tags
4430                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4431                                         ORDER BY count DESC LIMIT 50");
4432
4433                         $tags = array();
4434
4435                         while ($line = db_fetch_assoc($result)) {
4436                                 $tags[$line["tag_name"]] += $line["count"];
4437                         }
4438
4439                         foreach (array_keys($tags) as $tag) {
4440
4441                                 $unread = $tags[$tag];
4442
4443                                 $class = "tag";
4444
4445                                 if ($unread > 0) {
4446                                         $class .= "Unread";
4447                                 }
4448
4449                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4450
4451                         }
4452
4453                         if (db_num_rows($result) == 0) {
4454                                 print "<li>No tags to display.</li>";
4455                         }
4456
4457                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4458                                 print "</ul>";
4459                         }
4460
4461                 }
4462
4463                 print "</ul>";
4464
4465         }
4466
4467         function get_article_tags($link, $id, $owner_uid = 0) {
4468
4469                 $a_id = db_escape_string($id);
4470
4471                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4472
4473                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name,
4474                         owner_uid as owner FROM
4475                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4476                                 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
4477
4478                 $tags = array();
4479
4480                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4481                         array_push($tags, $tmp_line["tag_name"]);
4482                 }
4483
4484                 return $tags;
4485         }
4486
4487         function trim_value(&$value) {
4488                 $value = trim($value);
4489         }
4490
4491         function trim_array($array) {
4492                 $tmp = $array;
4493                 array_walk($tmp, 'trim_value');
4494                 return $tmp;
4495         }
4496
4497         function tag_is_valid($tag) {
4498                 if ($tag == '') return false;
4499                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4500                 if (mb_strlen($tag) > 250) return false;
4501
4502                 if (function_exists('iconv')) {
4503                         $tag = iconv("utf-8", "utf-8", $tag);
4504                 }
4505
4506                 if (!$tag) return false;
4507
4508                 return true;
4509         }
4510
4511         function render_login_form($link, $mobile = 0) {
4512                 switch ($mobile) {
4513                 case 0:
4514                         require_once "login_form.php";
4515                         break;
4516                 case 1:
4517                         require_once "mobile/login_form.php";
4518                         break;
4519                 case 2:
4520                         require_once "mobile/classic/login_form.php";
4521                 }
4522         }
4523
4524         // from http://developer.apple.com/internet/safari/faq.html
4525         function no_cache_incantation() {
4526                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4527                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4528                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4529                 header("Cache-Control: post-check=0, pre-check=0", false);
4530                 header("Pragma: no-cache"); // HTTP/1.0
4531         }
4532
4533         function format_warning($msg, $id = "") {
4534                 return "<div class=\"warning\" id=\"$id\">
4535                         <img src=\"images/sign_excl.gif\">$msg</div>";
4536         }
4537
4538         function format_notice($msg) {
4539                 return "<div class=\"notice\">
4540                         <img src=\"images/sign_info.gif\">$msg</div>";
4541         }
4542
4543         function format_error($msg) {
4544                 return "<div class=\"error\">
4545                         <img src=\"images/sign_excl.gif\">$msg</div>";
4546         }
4547
4548         function print_notice($msg) {
4549                 return print format_notice($msg);
4550         }
4551
4552         function print_warning($msg) {
4553                 return print format_warning($msg);
4554         }
4555
4556         function print_error($msg) {
4557                 return print format_error($msg);
4558         }
4559
4560
4561         function T_sprintf() {
4562                 $args = func_get_args();
4563                 return vsprintf(__(array_shift($args)), $args);
4564         }
4565
4566         function format_inline_player($link, $url, $ctype) {
4567
4568                 $entry = "";
4569
4570                 if (($ctype == __("audio/mpeg")) &&  (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4571
4572                         $entry .= "<object type=\"application/x-shockwave-flash\"
4573                                 data=\"extras/button/musicplayer.swf?song_url=$url\"
4574                                 width=\"17\" height=\"17\">
4575                                         <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object>";
4576                 }
4577
4578                 /*
4579
4580                 if (substr($ctype,0,6)=="audio/" || $ctype=="application/ogg" || $ctype=="application/x-ogg") {
4581                         $entry .= "<audio controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4582                         if (($ctype == __("audio/mpeg")) &&
4583                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4584                                 $entry .= "<span><object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object></span>";
4585                         }
4586                         $entry .= "</audio> ";
4587                         if (($ctype == __("audio/mpeg")) &&
4588                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4589                                 $entry .= "<a id='switchToFlashLink' href='#' onclick='return switchToFlash(this)'>".__('Switch to Flash Player')."</a>";
4590                                 $entry .= "<script type='text/javascript'>html5AudioOrFlash('$ctype');</script>";
4591                         }
4592                 } elseif (substr($ctype,0,6)=="video/") {
4593                         $entry .= "<video controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4594                         $entry .= "</video>";
4595                 } */
4596
4597
4598
4599                 return $entry;
4600         }
4601
4602         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4603                 $zoom_mode = false) {
4604
4605                 /* we can figure out feed_id from article id anyway, why do we
4606                  * pass feed_id here? */
4607
4608                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4609                         WHERE ref_id = '$id'");
4610
4611                 $feed_id = db_fetch_result($result, 0, "feed_id");
4612
4613                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4614
4615                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4616                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4617
4618                 if (db_num_rows($result) == 1) {
4619                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4620                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4621                 } else {
4622                         $rtl_content = false;
4623                         $always_display_enclosures = false;
4624                 }
4625
4626                 if ($rtl_content) {
4627                         $rtl_tag = "dir=\"RTL\"";
4628                         $rtl_class = "RTL";
4629                 } else {
4630                         $rtl_tag = "";
4631                         $rtl_class = "";
4632                 }
4633
4634                 if ($mark_as_read) {
4635                         $result = db_query($link, "UPDATE ttrss_user_entries
4636                                 SET unread = false,last_read = NOW()
4637                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4638
4639                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4640                 }
4641
4642                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4643                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4644                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4645                         num_comments,
4646                         author,
4647                         note
4648                         FROM ttrss_entries,ttrss_user_entries
4649                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4650
4651                 if ($result) {
4652
4653                         $link_target = "";
4654
4655                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4656                                 $link_target = "target=\"_blank\"";
4657                         }
4658
4659                         $line = db_fetch_assoc($result);
4660
4661                         if ($line["icon_url"]) {
4662                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4663                         } else {
4664                                 $feed_icon = "&nbsp;";
4665                         }
4666
4667                         $num_comments = $line["num_comments"];
4668                         $entry_comments = "";
4669
4670                         if ($num_comments > 0) {
4671                                 if ($line["comments"]) {
4672                                         $comments_url = $line["comments"];
4673                                 } else {
4674                                         $comments_url = $line["link"];
4675                                 }
4676                                 $entry_comments = "<a $link_target href=\"$comments_url\">$num_comments comments</a>";
4677                         } else {
4678                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4679                                         $entry_comments = "<a $link_target href=\"".$line["comments"]."\">comments</a>";
4680                                 }
4681                         }
4682
4683                         if ($zoom_mode) {
4684                                 header("Content-Type: text/html");
4685                                 print "<html><head>
4686                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4687                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4688                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4689                                         </head><body>";
4690                         }
4691
4692
4693                         print "<div class=\"postReply\">";
4694
4695                         print "<div class=\"postHeader\" onmouseover=\"enable_resize(true)\"
4696                                 onmouseout=\"enable_resize(false)\">";
4697
4698                         $entry_author = $line["author"];
4699
4700                         if ($entry_author) {
4701                                 $entry_author = __(" - ") . $entry_author;
4702                         }
4703
4704                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4705                                 strtotime($line["updated"]));
4706
4707                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4708
4709                         if ($line["link"]) {
4710                                 print "<div clear='both'><a $link_target href=\"" . $line["link"] . "\">" .
4711                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4712                         } else {
4713                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4714                         }
4715
4716                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4717
4718                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4719
4720                         print "<div style='float : right'>
4721                                         <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4722
4723                         if (!$zoom_mode) {
4724                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4725                                         <a title=\"".__('Edit tags for this article')."\"
4726                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a>";
4727
4728                                 if (defined('_ENABLE_INLINE_VIEW')) {
4729
4730                                         print "<img src=\"images/art-inline.png\" class='tagsPic'
4731                                                         style=\"cursor : pointer\" style=\"cursor : pointer\"
4732                                                         onclick=\"showOriginalArticleInline($id)\"
4733                                                         alt='Inline' title='".__('Display original article content')."'>";
4734
4735                                 }
4736
4737                                 print "<img src=\"images/art-zoom.png\" class='tagsPic'
4738                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
4739                                                 onclick=\"zoomToArticle($id)\"
4740                                                 alt='Zoom' title='".__('Show article summary in new window')."'>";
4741
4742                                 $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4743
4744                                 print "<img src=\"images/art-pub-note.png\" class='tagsPic'
4745                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
4746                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
4747                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
4748
4749                         } else {
4750                                 $tags_str = strip_tags($tags_str);
4751                                 print "<span id=\"ATSTR-$id\">$tags_str</span>";
4752                         }
4753                         print "</div>";
4754                         print "<div clear='both'>$entry_comments</div>";
4755
4756                         print "</div>";
4757
4758                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4759
4760                         print "<div class=\"postContent\">";
4761
4762                         $article_content = sanitize_rss($link, $line["content"]);
4763
4764                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4765                                 $article_content = preg_replace("/href=/i", "target=\"_blank\" href=",
4766                                         $article_content);
4767                         }
4768
4769                         print "<div id=\"POSTNOTE-$id\">";
4770                                 if ($line['note']) {
4771                                         print format_article_note($id, $line['note']);
4772                                 }
4773                         print "</div>";
4774
4775                         print $article_content;
4776
4777                         $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4778                                 post_id = '$id' AND content_url != ''");
4779
4780                         if (db_num_rows($result) > 0) {
4781
4782                                 $entries_html = array();
4783                                 $entries = array();
4784
4785                                 while ($line = db_fetch_assoc($result)) {
4786
4787                                         $url = $line["content_url"];
4788                                         $ctype = $line["content_type"];
4789
4790                                         if (!$ctype) $ctype = __("unknown type");
4791
4792                                         $filename = substr($url, strrpos($url, "/")+1);
4793
4794                                         $entry = format_inline_player($link, $url, $ctype);
4795
4796                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4797                                                 $filename . " (" . $ctype . ")" . "</a>";
4798
4799                                         array_push($entries_html, $entry);
4800
4801                                         $entry = array();
4802
4803                                         $entry["type"] = $ctype;
4804                                         $entry["filename"] = $filename;
4805                                         $entry["url"] = $url;
4806
4807                                         array_push($entries, $entry);
4808                                 }
4809
4810                                 print "<div class=\"postEnclosures\">";
4811
4812                                 if ($always_display_enclosures || !preg_match("/<img/i", $article_content)) {
4813                                         foreach ($entries as $entry) {
4814                                                 if (preg_match("/image/", $entry["type"])) {
4815                                                         print "<p><img
4816                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
4817                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
4818                                                 }
4819                                         }
4820                                 }
4821
4822                                 print "<div class=\"postEnclosures\">";
4823
4824                                 if (db_num_rows($result) == 1) {
4825                                         print __("Attachment:") . " ";
4826                                 } else {
4827                                         print __("Attachments:") . " ";
4828                                 }
4829
4830                                 print join(", ", $entries_html);
4831
4832                                 print "</div>";
4833                         }
4834
4835                         print "</div>";
4836
4837                         print "</div>";
4838
4839                 }
4840
4841                 if (!$zoom_mode) {
4842                         print "]]></article>";
4843                 } else {
4844                         print "
4845                                 <div style=\"text-align : center\">
4846                                 <input type=\"submit\" onclick=\"return window.close()\"
4847                                 value=\"".__("Close this window")."\"></div>";
4848                         print "</body></html>";
4849
4850                 }
4851
4852         }
4853
4854         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4855                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4856                                         $override_order = false) {
4857
4858                 $disable_cache = false;
4859
4860                 $timing_info = getmicrotime();
4861
4862                 $topmost_article_ids = array();
4863
4864                 if (!$offset) {
4865                         $offset = 0;
4866                 }
4867
4868                 if ($subop == "undefined") $subop = "";
4869
4870                 $subop_split = split(":", $subop);
4871
4872                 if ($subop == "CatchupSelected") {
4873                         $ids = split(",", db_escape_string($_GET["ids"]));
4874                         $cmode = sprintf("%d", $_GET["cmode"]);
4875
4876                         catchupArticlesById($link, $ids, $cmode);
4877                 }
4878
4879                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4880                         update_generic_feed($link, $feed, $cat_view, true);
4881                 }
4882
4883                 if ($subop == "MarkAllRead")  {
4884                         catchup_feed($link, $feed, $cat_view);
4885
4886                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4887                                 if ($next_unread_feed) {
4888                                         $feed = $next_unread_feed;
4889                                 }
4890                         }
4891                 }
4892
4893                 if ($subop_split[0] == "MarkAllReadGR")  {
4894                         catchup_feed($link, $subop_split[1], false);
4895                 }
4896
4897
4898                 if ($feed_id > 0) {
4899                         $result = db_query($link,
4900                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4901
4902                         if (db_num_rows($result) == 0) {
4903                                 print "<div align='center'>".__('Feed not found.')."</div>";
4904                                 return;
4905                         }
4906                 }
4907
4908                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4909
4910                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4911                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4912
4913                         if (db_num_rows($result) == 1) {
4914                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4915                         } else {
4916                                 $rtl_content = false;
4917                         }
4918
4919                         if ($rtl_content) {
4920                                 $rtl_tag = "dir=\"RTL\"";
4921                         } else {
4922                                 $rtl_tag = "";
4923                         }
4924                 } else {
4925                         $rtl_tag = "";
4926                         $rtl_content = false;
4927                 }
4928
4929                 $script_dt_add = get_script_dt_add();
4930
4931                 /// START /////////////////////////////////////////////////////////////////////////////////
4932
4933                 $search = db_escape_string($_GET["query"]);
4934
4935                 if ($search) {
4936                         $disable_cache = true;
4937                 }
4938
4939                 $search_mode = db_escape_string($_GET["search_mode"]);
4940                 $match_on = db_escape_string($_GET["match_on"]);
4941
4942                 if (!$match_on) {
4943                         $match_on = "both";
4944                 }
4945
4946                 $real_offset = $offset * $limit;
4947
4948                 if ($_GET["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4949
4950                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4951                         $search, $search_mode, $match_on, $override_order, $real_offset);
4952
4953                 if ($_GET["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4954
4955                 $result = $qfh_ret[0];
4956                 $feed_title = $qfh_ret[1];
4957                 $feed_site_url = $qfh_ret[2];
4958                 $last_error = $qfh_ret[3];
4959
4960                 $vgroup_last_feed = $vgr_last_feed;
4961
4962                 if ($feed == -2) {
4963                         $feed_site_url = article_publish_url($link);
4964                 }
4965
4966                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4967
4968                 if (!$offset) {
4969                         print "<div id=\"headlinesContainer\" $rtl_tag>";
4970
4971                         if (!$result) {
4972                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4973                                 return;
4974                         }
4975
4976                         print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4977                                 $feed, $cat_view, $search, $match_on, $search_mode);
4978
4979                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4980                 }
4981
4982                 $headlines_count = db_num_rows($result);
4983
4984                 if (db_num_rows($result) > 0) {
4985
4986 #                       print "\{$offset}";
4987
4988                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4989                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
4990                                         cellspacing=\"0\">";
4991                         }
4992
4993                         $lnum = $limit*$offset;
4994
4995                         error_reporting (DEFAULT_ERROR_LEVEL);
4996
4997                         $num_unread = 0;
4998                         $cur_feed_title = '';
4999
5000                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
5001
5002                         while ($line = db_fetch_assoc($result)) {
5003
5004                                 $class = ($lnum % 2) ? "even" : "odd";
5005
5006                                 $id = $line["id"];
5007                                 $feed_id = $line["feed_id"];
5008
5009                                 $labels = get_article_labels($link, $id);
5010
5011                                 $labels_str = "<span id=\"HLLCTR-$id\">";
5012                                 $labels_str .= format_article_labels($labels, $id);
5013                                 $labels_str .= "</span>";
5014
5015                                 if (count($topmost_article_ids) < 5) {
5016                                         array_push($topmost_article_ids, $id);
5017                                 }
5018
5019                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
5020
5021                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\"
5022                                                 alt=\"Updated\">";
5023                                 } else {
5024                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
5025                                                 alt=\"Updated\">";
5026                                 }
5027
5028                                 if (sql_bool_to_bool($line["unread"]) &&
5029                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
5030
5031                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/fresh_sign.png\"
5032                                                         alt=\"Fresh\">";
5033                                 }
5034
5035                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
5036                                         $class .= "Unread";
5037                                         ++$num_unread;
5038                                         $is_unread = true;
5039                                 } else {
5040                                         $is_unread = false;
5041                                 }
5042
5043                                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
5044
5045                                 if ($is_ie) {
5046                                         $mark_img_ext = "gif";
5047                                 } else {
5048                                         $mark_img_ext = "png";
5049                                 }
5050
5051                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
5052                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.$mark_img_ext\"
5053                                                 class=\"markedPic\"
5054                                                 alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
5055                                 } else {
5056                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.$mark_img_ext\"
5057                                                 class=\"markedPic\"
5058                                                 alt=\"Star article\" onclick='javascript:tMark($id)'>";
5059                                 }
5060
5061                                 if ($line["published"] == "t" || $line["published"] == "1") {
5062                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\"
5063                                                 class=\"markedPic\"
5064                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
5065                                 } else {
5066                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\"
5067                                                 class=\"markedPic\"
5068                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
5069                                 }
5070
5071 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
5072 #                                       $line["title"] . "</a>";
5073
5074 #                               $content_link = "<a
5075 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
5076 #                                       onclick=\"view($id,$feed_id);\">" .
5077 #                                       $line["title"] . "</a>";
5078
5079 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
5080 #                                       $line["title"] . "</a>";
5081
5082                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
5083                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
5084                                 } else {
5085                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
5086                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
5087                                 }
5088
5089                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5090                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
5091                                                 100);
5092                                 }
5093
5094                                 $score = $line["score"];
5095
5096                                 $score_pic = get_score_pic($score);
5097
5098 /*                              $score_title = __("(Click to change)");
5099                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5100                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
5101
5102                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5103                                         title=\"$score\">";
5104
5105                                 if ($score > 500) {
5106                                         $hlc_suffix = "H";
5107                                 } else if ($score < -100) {
5108                                         $hlc_suffix = "L";
5109                                 } else {
5110                                         $hlc_suffix = "";
5111                                 }
5112
5113                                 $entry_author = $line["author"];
5114
5115                                 if ($entry_author) {
5116                                         $entry_author = " - $entry_author";
5117                                 }
5118
5119                                 $has_feed_icon = feed_has_icon($feed_id);
5120
5121                                 if ($has_feed_icon) {
5122                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5123                                 } else {
5124                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5125                                         $feed_icon_img = "";
5126                                 }
5127
5128                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5129
5130                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5131                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5132
5133                                                         $cur_feed_title = $line["feed_title"];
5134                                                         $vgroup_last_feed = $feed_id;
5135
5136                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5137
5138                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5139
5140                                                         print "<tr class='feedTitle'><td colspan='7'>".
5141                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5142                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5143                                                                 $line["feed_title"]."</a> $vf_catchup_link</td></tr>";
5144                                                 }
5145                                         }
5146
5147                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5148                                                 onmouseout='postMouseOut($id)'";
5149
5150                                         print "<tr class='$class' id='RROW-$id' $mouseover_attrs>";
5151
5152                                         print "<td class='hlUpdPic'>$update_pic</td>";
5153
5154                                         print "<td class='hlSelectRow'>
5155                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
5156                                                         id=\"RCHK-$id\">
5157                                                 </td>";
5158
5159                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
5160                                         print "<td class='hlMarkedPic'>$published_pic</td>";
5161
5162 #                                       if ($line["feed_title"]) {
5163 #                                               print "<td class='hlContent'>$content_link</td>";
5164 #                                               print "<td class='hlFeed'>
5165 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5166 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
5167 #                                       } else {
5168
5169                                         print "<td onclick='view($id,$feed_id)' class='hlContent$hlc_suffix' valign='middle' id='HLC-$id'>";
5170
5171                                         print "<a id=\"RTITLE-$id\"
5172                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5173                                                 onclick=\"return false\">" .
5174                                                 $line["title"];
5175
5176                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5177                                                 if ($content_preview) {
5178                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5179                                                 }
5180                                         }
5181
5182                                         print "</a>";
5183
5184                                         print $labels_str;
5185
5186 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5187 #                                                       $line["feed_title"]."</a>
5188
5189                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5190                                                 if ($line["feed_title"]) {
5191                                                         print "<span class=\"hlFeed\">
5192                                                                 (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5193                                                                 $line["feed_title"]."</a>)
5194                                                         </span>";
5195                                                 }
5196                                         }
5197
5198 //                                      print "<img id='HLL-$id' class='hlLoading'
5199 //                                              src='images/indicator_tiny.gif' style='display : none'>";
5200
5201                                         print "</td>";
5202
5203 #                                       }
5204
5205                                         print "<td class=\"hlUpdated\" onclick='view($id,$feed_id)'><nobr>$updated_fmt&nbsp;</nobr></td>";
5206
5207                                         print "<td class='hlMarkedPic'>$score_pic</td>";
5208
5209                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5210                                                 print "<td onclick=\"viewfeed($feed_id)\" class=\"hlFeedIcon\">$feed_icon_img</td>";
5211                                         }
5212
5213                                         print "</tr>";
5214
5215                                 } else {
5216
5217                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5218                                                 if ($feed_id != $vgroup_last_feed) {
5219
5220                                                         $cur_feed_title = $line["feed_title"];
5221                                                         $vgroup_last_feed = $feed_id;
5222
5223                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5224
5225                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5226
5227                                                         $has_feed_icon = feed_has_icon($feed_id);
5228
5229                                                         if ($has_feed_icon) {
5230                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5231                                                         } else {
5232                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5233                                                         }
5234
5235                                                         print "<div class='cdmFeedTitle'>".
5236                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5237                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5238                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5239                                                 }
5240                                         }
5241
5242                                         if ($is_unread) {
5243                                                 $add_class = "Unread";
5244                                         } else {
5245                                                 $add_class = "";
5246                                         }
5247
5248                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5249                                         $show_excerpt = false;
5250
5251                                         if ($expand_cdm && $score >= -100) {
5252                                                 $cdm_cstyle = "";
5253                                                 $show_excerpt = false;
5254                                         } else {
5255                                                 $cdm_cstyle = "style=\"display : none\"";
5256                                                 $show_excerpt = true;
5257                                         }
5258
5259                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5260                                                 onmouseout='postMouseOut($id)'";
5261
5262                                         print "<div class=\"cdmArticle$add_class\"
5263                                                 id=\"RROW-$id\"
5264                                                 $mouseover_attrs'>";
5265
5266                                         print "<div class=\"cdmHeader\">";
5267
5268                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") || !$line["feed_title"]) {
5269                                                 $cdm_feed_icon = "<span style=\"cursor : pointer\" onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5270                                         }
5271
5272                                         print "<div class=\"articleUpdated\">$updated_fmt $score_pic $cdm_feed_icon
5273                                                 </div>";
5274
5275                                         print "<span id=\"RTITLE-$id\" class=\"titleWrap$hlc_suffix\"><a class=\"title\"
5276                                                 onclick=\"javascript:toggleUnread($id, 0)\"
5277                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5278                                                 ";
5279
5280                                         print $entry_author;
5281
5282 /*                                      if (!$expand_cdm || $score < -100) {
5283                                                 print "&nbsp;<a id=\"CICH-$id\"
5284                                                         href=\"javascript:cdmExpandArticle($id)\">
5285                                                         (".__('Show article').")</a>";
5286                                         } */
5287
5288                                         print $labels_str;
5289
5290                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5291                                                 if ($line["feed_title"]) {
5292                                                         print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
5293                                                 }
5294                                         }
5295
5296                                         print "</span></div>";
5297
5298                                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
5299                                                 $line["content_preview"] = preg_replace("/href=/i",
5300                                                         "target=\"_blank\" href=", $line["content_preview"]);
5301                                         }
5302
5303                                         if ($show_excerpt) {
5304                                                 print "<div class=\"cdmExcerpt\" id=\"CEXC-$id\"
5305                                                         onclick=\"cdmExpandArticle($id)\"
5306                                                         title=\"".__('Click to expand article')."\">";
5307
5308                                                 $content_preview = trim(truncate_string(strip_tags($line["content_preview"]), 100));
5309
5310                                                 if (strlen($content_preview) != 0) {
5311                                                         print $content_preview;
5312                                                 } else {
5313                                                         print __('Click to expand article');
5314                                                 }
5315                                                 print "</div>";
5316                                         }
5317
5318                                         print "<div class=\"cdmContent\"
5319                                                 onclick=\"cdmClicked($id)\"
5320                                                 id=\"CICD-$id\" $cdm_cstyle>";
5321
5322 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
5323
5324                                         print "<div id=\"POSTNOTE-$id\">";
5325                                         if ($line['note']) {
5326                                                 print format_article_note($id, $line['note']);
5327                                         }
5328                                         print "</div>";
5329
5330                                         print sanitize_rss($link, $line["content_preview"]);
5331
5332                                         $article_content = $line["content_preview"];
5333
5334                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
5335                                                 post_id = '$id' AND content_url != ''");
5336
5337                                         if (db_num_rows($e_result) > 0) {
5338
5339                                 $entries_html = array();
5340                                 $entries = array();
5341
5342                                 while ($e_line = db_fetch_assoc($e_result)) {
5343
5344                                         $url = $e_line["content_url"];
5345                                         $ctype = $e_line["content_type"];
5346                                         if (!$ctype) $ctype = __("unknown type");
5347
5348                                         $filename = substr($url, strrpos($url, "/")+1);
5349
5350                                         $entry = format_inline_player($link, $url, $ctype);
5351
5352                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5353                                                 $filename . " (" . $ctype . ")" . "</a>";
5354
5355                                         array_push($entries_html, $entry);
5356
5357                                         $entry = array();
5358
5359                                         $entry["type"] = $ctype;
5360                                         $entry["filename"] = $filename;
5361                                         $entry["url"] = $url;
5362
5363                                         array_push($entries, $entry);
5364                                 }
5365
5366                                 $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5367                                         ttrss_feeds WHERE id = ".$line['feed_id']." AND owner_uid = ".$_SESSION["uid"]);
5368
5369                                 $always_display_enclosures = db_fetch_result($tmp_result, 0, "always_display_enclosures");
5370
5371                                 if ($always_display_enclosures || !preg_match("/img/i", $article_content)) {
5372                                         foreach ($entries as $entry) {
5373                                                 if (preg_match("/image/", $entry["type"])) {
5374                                                         print "<p><img
5375                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
5376                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
5377                                                 }
5378                                         }
5379                                 }
5380
5381                                 print "<div class=\"cdmEnclosures\">";
5382
5383                                 if (db_num_rows($e_result) == 1) {
5384                                         print __("Attachment:") . " ";
5385                                 } else {
5386                                         print __("Attachments:") . " ";
5387                                 }
5388
5389                                 print join(", ", $entries_html);
5390
5391                                 print "</div>";
5392                         }
5393
5394
5395                                         print "<br clear='both'>";
5396 //                                      print "</div>";
5397
5398 /*                                      if (!$expand_cdm) {
5399                                                 print "<a id=\"CICH-$id\"
5400                                                         href=\"javascript:cdmExpandArticle($id)\">
5401                                                         Show article</a>";
5402                                         } */
5403
5404                                         print "</div>";
5405
5406                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5407
5408                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5409
5410                                         print __("Select:").
5411                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5412                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5413
5414                                         print "</span><span class='s1'>$marked_pic&nbsp;";
5415                                         print "$published_pic&nbsp;";
5416                                         print "<img src=\"images/art-zoom.png\" class='tagsPic'
5417                                                 onclick=\"zoomToArticle($id)\"
5418                                                 style=\"cursor : pointer\"
5419                                                 alt='Zoom'
5420                                                 title='".__('Show article summary in new window')."'>&nbsp;";
5421
5422                                         $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5423
5424                                         print "<img src=\"images/art-pub-note.png\" class='tagsPic'
5425                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5426                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
5427                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
5428
5429                                         print "</span>";
5430
5431                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5432
5433 //                                      print "<img src='images/tag.png' class='markedPic'>";
5434
5435                                         print "<span class='s1'>
5436                                                 <img class='tagsPic' src='images/tag.png' alt='Tags' title='Tags'>
5437                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5438                                                 <a title=\"".__('Edit tags for this article')."\"
5439                                                 href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5440
5441                                         print "</span>";
5442
5443                                         print "<span class='s2'><a class=\"cdmToggleLink\"
5444                                                         href=\"javascript:toggleUnread($id)\">
5445                                                         ".__('toggle unread')."</a></span>";
5446
5447                                         print "</div>";
5448                                         print "</div>";
5449
5450                                 }
5451
5452                                 ++$lnum;
5453                         }
5454
5455                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5456                                 print "</table>";
5457                         }
5458
5459                 } else {
5460                         $message = "";
5461
5462                         switch ($view_mode) {
5463                                 case "unread":
5464                                         $message = __("No unread articles found to display.");
5465                                         break;
5466                                 case "updated":
5467                                         $message = __("No updated articles found to display.");
5468                                         break;
5469                                 case "marked":
5470                                         $message = __("No starred articles found to display.");
5471                                         break;
5472                                 default:
5473                                         if ($feed < -10) {
5474                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5475                                         } else {
5476                                                 $message = __("No articles found to display.");
5477                                         }
5478                         }
5479
5480                         if (!$offset) print "<div class='whiteBox'>$message</div>";
5481                 }
5482
5483                 if (!$offset) {
5484                         print "</div>";
5485                         print "</div>";
5486                 }
5487
5488                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5489         }
5490
5491 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5492
5493         function printTagCloud($link) {
5494
5495                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5496                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5497                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5498
5499                 $result = db_query($link, $query);
5500
5501                 $tags = array();
5502
5503                 while ($line = db_fetch_assoc($result)) {
5504                         $tags[$line["tag_name"]] = $line["count"];
5505                 }
5506
5507                 ksort($tags);
5508
5509                 $max_size = 32; // max font size in pixels
5510                 $min_size = 11; // min font size in pixels
5511
5512                 // largest and smallest array values
5513                 $max_qty = max(array_values($tags));
5514                 $min_qty = min(array_values($tags));
5515
5516                 // find the range of values
5517                 $spread = $max_qty - $min_qty;
5518                 if ($spread == 0) { // we don't want to divide by zero
5519                                 $spread = 1;
5520                 }
5521
5522                 // set the font-size increment
5523                 $step = ($max_size - $min_size) / ($spread);
5524
5525                 // loop through the tag array
5526                 foreach ($tags as $key => $value) {
5527                         // calculate font-size
5528                         // find the $value in excess of $min_qty
5529                         // multiply by the font-size increment ($size)
5530                         // and add the $min_size set above
5531                         $size = round($min_size + (($value - $min_qty) * $step));
5532
5533                         $key_escaped = str_replace("'", "\\'", $key);
5534
5535                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5536                                 $size . "px\" title=\"$value articles tagged with " .
5537                                 $key . '">' . $key . '</a> ';
5538                 }
5539         }
5540
5541         function print_checkpoint($n, $s) {
5542                 $ts = getmicrotime();
5543                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5544                 return $ts;
5545         }
5546
5547         function sanitize_tag($tag) {
5548                 $tag = trim($tag);
5549
5550                 $tag = mb_strtolower($tag, 'utf-8');
5551
5552                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5553
5554 //              $tag = str_replace('"', "", $tag);
5555 //              $tag = str_replace("+", " ", $tag);
5556                 $tag = str_replace("technorati tag: ", "", $tag);
5557
5558                 return $tag;
5559         }
5560
5561         function generate_publish_key() {
5562                 return sha1(uniqid(rand(), true));
5563         }
5564
5565         function article_publish_url($link) {
5566
5567                 $url_path = "";
5568
5569
5570                 if ($_SERVER['HTTPS'] != "on") {
5571                         $url_path = "http://";
5572                 } else {
5573                         $url_path = "https://";
5574                 }
5575
5576                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5577                 $url_path .= "/backend.php?op=publish&key=" . get_pref($link, "_PREFS_PUBLISH_KEY");
5578
5579                 return $url_path;
5580         }
5581
5582         /**
5583          * Purge a feed contents, marked articles excepted.
5584          *
5585          * @param mixed $link The database connection.
5586          * @param integer $id The id of the feed to purge.
5587          * @return void
5588          */
5589         function clear_feed_articles($link, $id) {
5590                 $result = db_query($link, "DELETE FROM ttrss_user_entries
5591                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5592
5593                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5594                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5595
5596                 ccache_update($link, $id, $_SESSION['uid']);
5597         } // function clear_feed_articles
5598
5599         /**
5600          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5601          *
5602          * @return string The Mozilla Firefox feed adding URL.
5603          */
5604         function add_feed_url() {
5605                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5606                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5607                 return $url_path;
5608         } // function add_feed_url
5609
5610         /**
5611          * Encrypt a password in SHA1.
5612          *
5613          * @param string $pass The password to encrypt.
5614          * @param string $login A optionnal login.
5615          * @return string The encrypted password.
5616          */
5617         function encrypt_password($pass, $login = '') {
5618                 if ($login) {
5619                         return "SHA1X:" . sha1("$login:$pass");
5620                 } else {
5621                         return "SHA1:" . sha1($pass);
5622                 }
5623         } // function encrypt_password
5624
5625         /**
5626          * Update a feed batch.
5627          * Used by daemons to update n feeds by run.
5628          * Only update feed needing a update, and not being processed
5629          * by another process.
5630          *
5631          * @param mixed $link Database link
5632          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5633          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5634          * @param boolean $debug Set to false to disable debug output. Default to true.
5635          * @return void
5636          */
5637         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5638                 // Process all other feeds using last_updated and interval parameters
5639
5640                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5641                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5642                         if (DB_TYPE == "pgsql") {
5643                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5644                         } else {
5645                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5646                         }
5647                 } else {
5648                         $login_thresh_qpart = "";
5649                 }
5650
5651                 // Test if the feed need a update (update interval exceded).
5652                 if (DB_TYPE == "pgsql") {
5653                         $update_limit_qpart = "AND ((
5654                                         ttrss_feeds.update_interval = 0
5655                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5656                                 ) OR (
5657                                         ttrss_feeds.update_interval > 0
5658                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5659                                 ) OR ttrss_feeds.last_updated IS NULL)";
5660                 } else {
5661                         $update_limit_qpart = "AND ((
5662                                         ttrss_feeds.update_interval = 0
5663                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5664                                 ) OR (
5665                                         ttrss_feeds.update_interval > 0
5666                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5667                                 ) OR ttrss_feeds.last_updated IS NULL)";
5668                 }
5669
5670                 // Test if feed is currently being updated by another process.
5671                 if (DB_TYPE == "pgsql") {
5672                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5673                 } else {
5674                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5675                 }
5676
5677                 // Test if there is a limit to number of updated feeds
5678                 $query_limit = "";
5679                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5680
5681                 $random_qpart = sql_random_function();
5682
5683                 // We search for feed needing update.
5684                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5685                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5686                                 ttrss_feeds.update_interval
5687                         FROM
5688                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5689                         WHERE
5690                                 ttrss_feeds.owner_uid = ttrss_users.id
5691                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5692                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5693                                 $login_thresh_qpart $update_limit_qpart
5694                          $updstart_thresh_qpart
5695                         ORDER BY $random_qpart $query_limit");
5696
5697                 $user_prefs_cache = array();
5698
5699                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5700
5701                 // Here is a little cache magic in order to minimize risk of double feed updates.
5702                 $feeds_to_update = array();
5703                 while ($line = db_fetch_assoc($result)) {
5704                         $feeds_to_update[$line['id']] = $line;
5705                 }
5706
5707                 // We update the feed last update started date before anything else.
5708                 // There is no lag due to feed contents downloads
5709                 // It prevent an other process to update the same feed.
5710                 $feed_ids = array_keys($feeds_to_update);
5711                 if($feed_ids) {
5712                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5713                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5714                 }
5715
5716                 // For each feed, we call the feed update function.
5717                 while ($line = array_pop($feeds_to_update)) {
5718
5719                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5720
5721                         // We setup a alarm to alert if the feed take more than 300s to update.
5722                         // => HANG alarm.
5723                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(300);
5724                         update_rss_feed($link, $line["feed_url"], $line["id"], true);
5725                         // Cancel the alarm (the update went well)
5726                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(0);
5727
5728                         sleep(1); // prevent flood (FIXME make this an option?)
5729                 }
5730
5731                 // Send feed digests by email if needed.
5732                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5733
5734                 purge_orphans($link);
5735
5736         } // function update_daemon_common
5737
5738         function sanitize_article_content($text) {
5739                 # we don't support CDATA sections in articles, they break our own escaping
5740                 $text = preg_replace("/\[\[CDATA/", "", $text);
5741                 $text = preg_replace("/\]\]\>/", "", $text);
5742                 return $text;
5743         }
5744
5745         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5746                 $filters = array();
5747
5748                 if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5749
5750                 $result = db_query($link, "SELECT reg_exp,
5751                         ttrss_filter_types.name AS name,
5752                         ttrss_filter_actions.name AS action,
5753                         inverse,
5754                         action_param,
5755                         filter_param
5756                         FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5757                                 enabled = true AND
5758                                 $ftype_query_part
5759                                 owner_uid = $owner_uid AND
5760                                 ttrss_filter_types.id = filter_type AND
5761                                 ttrss_filter_actions.id = action_id AND
5762                                 (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5763
5764                 while ($line = db_fetch_assoc($result)) {
5765                         if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5766                                 $filter["reg_exp"] = $line["reg_exp"];
5767                                 $filter["action"] = $line["action"];
5768                                 $filter["action_param"] = $line["action_param"];
5769                                 $filter["filter_param"] = $line["filter_param"];
5770                                 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5771
5772                                 array_push($filters[$line["name"]], $filter);
5773                         }
5774
5775                 return $filters;
5776         }
5777
5778         function get_score_pic($score) {
5779                 if ($score > 100) {
5780                         return "score_high.png";
5781                 } else if ($score > 0) {
5782                         return "score_half_high.png";
5783                 } else if ($score < -100) {
5784                         return "score_low.png";
5785                 } else if ($score < 0) {
5786                         return "score_half_low.png";
5787                 } else {
5788                         return "score_neutral.png";
5789                 }
5790         }
5791
5792         function rounded_table_start($classname, $header = "&nbsp;") {
5793                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5794                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5795                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5796         }
5797
5798         function rounded_table_end($footer = "&nbsp;") {
5799                 print "</td><td class='right'>&nbsp;</td></tr>";
5800                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5801                 print "</table>";
5802         }
5803
5804         function feed_has_icon($id) {
5805                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5806         }
5807
5808         function init_connection($link) {
5809                 if (DB_TYPE == "pgsql") {
5810                         pg_query($link, "set client_encoding = 'UTF-8'");
5811                         pg_set_client_encoding("UNICODE");
5812                         pg_query($link, "set datestyle = 'ISO, european'");
5813                 } else {
5814                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5815                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5816         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5817                         }
5818                 }
5819         }
5820
5821         function update_feedbrowser_cache($link) {
5822
5823                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
5824                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5825                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5826                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
5827                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
5828
5829                 db_query($link, "BEGIN");
5830
5831                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5832
5833                 $count = 0;
5834
5835                 while ($line = db_fetch_assoc($result)) {
5836                         $subscribers = db_escape_string($line["subscribers"]);
5837                         $feed_url = db_escape_string($line["feed_url"]);
5838                         $title = db_escape_string($line["title"]);
5839
5840                         $tmp_result = db_query($link, "SELECT subscribers FROM
5841                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
5842
5843                         if (db_num_rows($tmp_result) == 0) {
5844
5845                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5846                                         (feed_url, title, subscribers) VALUES ('$feed_url',
5847                                                 '$title', '$subscribers')");
5848
5849                                 ++$count;
5850
5851                         }
5852
5853                 }
5854
5855                 db_query($link, "COMMIT");
5856
5857                 return $count;
5858
5859         }
5860
5861         function ccache_zero($link, $feed_id, $owner_uid) {
5862                 db_query($link, "UPDATE ttrss_counters_cache SET
5863                         value = 0, updated = NOW() WHERE
5864                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5865         }
5866
5867         function ccache_zero_all($link, $owner_uid) {
5868                 db_query($link, "UPDATE ttrss_counters_cache SET
5869                         value = 0 WHERE owner_uid = '$owner_uid'");
5870
5871                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
5872                         value = 0 WHERE owner_uid = '$owner_uid'");
5873         }
5874
5875         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
5876
5877                 if (!$is_cat) {
5878                         $table = "ttrss_counters_cache";
5879                 } else {
5880                         $table = "ttrss_cat_counters_cache";
5881                 }
5882
5883                 db_query($link, "DELETE FROM $table WHERE
5884                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5885
5886         }
5887
5888         function ccache_update_all($link, $owner_uid) {
5889
5890                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
5891
5892                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
5893                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5894
5895                         while ($line = db_fetch_assoc($result)) {
5896                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
5897                         }
5898
5899                         /* We have to manually include category 0 */
5900
5901                         ccache_update($link, 0, $owner_uid, true);
5902
5903                 } else {
5904                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
5905                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5906
5907                         while ($line = db_fetch_assoc($result)) {
5908                                 print ccache_update($link, $line["feed_id"], $owner_uid);
5909
5910                         }
5911
5912                 }
5913         }
5914
5915         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
5916                 $no_update = false) {
5917
5918                 if (!is_numeric($feed_id)) return;
5919
5920                 if (!$is_cat) {
5921                         $table = "ttrss_counters_cache";
5922                         if ($feed_id > 0) {
5923                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5924                                         WHERE id = '$feed_id'");
5925                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5926                         }
5927                 } else {
5928                         $table = "ttrss_cat_counters_cache";
5929                 }
5930
5931                 if (DB_TYPE == "pgsql") {
5932                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
5933                 } else if (DB_TYPE == "mysql") {
5934                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
5935                 }
5936
5937                 $result = db_query($link, "SELECT value FROM $table
5938                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
5939                         LIMIT 1");
5940
5941                 if (db_num_rows($result) == 1) {
5942                         return db_fetch_result($result, 0, "value");
5943                 } else {
5944                         if ($no_update) {
5945                                 return -1;
5946                         } else {
5947                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
5948                         }
5949                 }
5950
5951         }
5952
5953         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
5954                 $update_pcat = true) {
5955
5956                 if (!is_numeric($feed_id)) return;
5957
5958                 if (!$is_cat && $feed_id > 0) {
5959                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5960                                 WHERE id = '$feed_id'");
5961                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5962                 }
5963
5964                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
5965
5966                 /* When updating a label, all we need to do is recalculate feed counters
5967                  * because labels are not cached */
5968
5969                 if ($feed_id < 0) {
5970                         ccache_update_all($link, $owner_uid);
5971                         return;
5972                 }
5973
5974                 if (!$is_cat) {
5975                         $table = "ttrss_counters_cache";
5976                 } else {
5977                         $table = "ttrss_cat_counters_cache";
5978                 }
5979
5980                 if ($is_cat && $feed_id >= 0) {
5981                         if ($feed_id != 0) {
5982                                 $cat_qpart = "cat_id = '$feed_id'";
5983                         } else {
5984                                 $cat_qpart = "cat_id IS NULL";
5985                         }
5986
5987                         /* Recalculate counters for child feeds */
5988
5989                         $result = db_query($link, "SELECT id FROM ttrss_feeds
5990                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
5991
5992                         while ($line = db_fetch_assoc($result)) {
5993                                 ccache_update($link, $line["id"], $owner_uid, false, false);
5994                         }
5995
5996                         $result = db_query($link, "SELECT SUM(value) AS sv
5997                                 FROM ttrss_counters_cache, ttrss_feeds
5998                                 WHERE id = feed_id AND $cat_qpart AND
5999                                 ttrss_feeds.owner_uid = '$owner_uid'");
6000
6001                         $unread = (int) db_fetch_result($result, 0, "sv");
6002
6003                 } else {
6004                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
6005                 }
6006
6007                 db_query($link, "BEGIN");
6008
6009                 $result = db_query($link, "SELECT feed_id FROM $table
6010                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
6011
6012                 if (db_num_rows($result) == 1) {
6013                         db_query($link, "UPDATE $table SET
6014                                 value = '$unread', updated = NOW() WHERE
6015                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6016
6017                 } else {
6018                         db_query($link, "INSERT INTO $table
6019                                 (feed_id, value, owner_uid, updated)
6020                                 VALUES
6021                                 ($feed_id, $unread, $owner_uid, NOW())");
6022                 }
6023
6024                 db_query($link, "COMMIT");
6025
6026                 if ($feed_id > 0 && $prev_unread != $unread) {
6027
6028                         if (!$is_cat) {
6029
6030                                 /* Update parent category */
6031
6032                                 if ($update_pcat) {
6033
6034                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
6035                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
6036
6037                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
6038
6039                                         ccache_update($link, $cat_id, $owner_uid, true);
6040
6041                                 }
6042                         }
6043                 } else if ($feed_id < 0) {
6044                         ccache_update_all($link, $owner_uid);
6045                 }
6046
6047                 return $unread;
6048         }
6049
6050         function label_find_id($link, $label, $owner_uid) {
6051                 $result = db_query($link,
6052                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
6053                                 AND owner_uid = '$owner_uid' LIMIT 1");
6054
6055                 if (db_num_rows($result) == 1) {
6056                         return db_fetch_result($result, 0, "id");
6057                 } else {
6058                         return 0;
6059                 }
6060         }
6061
6062         function get_article_labels($link, $id) {
6063                 $result = db_query($link,
6064                         "SELECT DISTINCT label_id,caption,fg_color,bg_color
6065                                 FROM ttrss_labels2, ttrss_user_labels2
6066                         WHERE id = label_id
6067                                 AND article_id = '$id'
6068                                 AND owner_uid = ".$_SESSION["uid"] . "
6069                         ORDER BY caption");
6070
6071                 $rv = array();
6072
6073                 while ($line = db_fetch_assoc($result)) {
6074                         $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
6075                                 $line["bg_color"]);
6076                         array_push($rv, $rk);
6077                 }
6078
6079                 return $rv;
6080         }
6081
6082
6083         function label_find_caption($link, $label, $owner_uid) {
6084                 $result = db_query($link,
6085                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
6086                                 AND owner_uid = '$owner_uid' LIMIT 1");
6087
6088                 if (db_num_rows($result) == 1) {
6089                         return db_fetch_result($result, 0, "caption");
6090                 } else {
6091                         return "";
6092                 }
6093         }
6094
6095         function label_remove_article($link, $id, $label, $owner_uid) {
6096
6097                 $label_id = label_find_id($link, $label, $owner_uid);
6098
6099                 if (!$label_id) return;
6100
6101                 $result = db_query($link,
6102                         "DELETE FROM ttrss_user_labels2
6103                         WHERE
6104                                 label_id = '$label_id' AND
6105                                 article_id = '$id'");
6106         }
6107
6108         function label_add_article($link, $id, $label, $owner_uid) {
6109
6110                 $label_id = label_find_id($link, $label, $owner_uid);
6111
6112                 if (!$label_id) return;
6113
6114                 $result = db_query($link,
6115                         "SELECT
6116                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6117                         WHERE
6118                                 label_id = id AND
6119                                 label_id = '$label_id' AND
6120                                 article_id = '$id' AND owner_uid = '$owner_uid'
6121                         LIMIT 1");
6122
6123                 if (db_num_rows($result) == 0) {
6124                         db_query($link, "INSERT INTO ttrss_user_labels2
6125                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6126                 }
6127         }
6128
6129         function label_remove($link, $id, $owner_uid) {
6130
6131                 db_query($link, "BEGIN");
6132
6133                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6134                         WHERE id = '$id'");
6135
6136                 $caption = db_fetch_result($result, 0, "caption");
6137
6138                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6139                         AND owner_uid = " . $_SESSION["uid"]);
6140
6141                 if (db_affected_rows($link, $result) != 0 && $caption) {
6142
6143                         /* Disable filters that reference label being removed */
6144
6145                         db_query($link, "UPDATE ttrss_filters SET
6146                                 enabled = false WHERE action_param = '$caption'
6147                                         AND action_id = 7
6148                                         AND owner_uid = " . $_SESSION["uid"]);
6149                         }
6150
6151                 db_query($link, "COMMIT");
6152         }
6153
6154         function label_create($link, $caption) {
6155
6156                 db_query($link, "BEGIN");
6157
6158                 $result = false;
6159
6160                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6161                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6162
6163                 if (db_num_rows($result) == 0) {
6164                         $result = db_query($link,
6165                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
6166                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6167
6168                         $result = db_affected_rows($link, $result) != 0;
6169                 }
6170
6171                 db_query($link, "COMMIT");
6172
6173                 return $result;
6174         }
6175
6176         function print_labels_headlines_dropdown($link, $feed_id) {
6177                 print "<li onclick=\"javascript:addLabel()\">
6178                         &nbsp;&nbsp;".__("Create label...")."</li>";
6179
6180                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6181                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6182
6183                 while ($line = db_fetch_assoc($result)) {
6184
6185                         $label_id = $line["id"];
6186                         $label_caption = $line["caption"];
6187
6188                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6189                                 print "<li id=\"LHDL-$id\"
6190                                         onclick=\"javascript:selectionRemoveLabel($label_id)\">
6191                                         &nbsp;&nbsp;$label_caption ".__('(remove)')."</li>";
6192                         } else {
6193                                 print "<li id=\"LHDL-$id\"
6194                                         onclick=\"javascript:selectionAssignLabel($label_id)\">
6195                                         &nbsp;&nbsp;$label_caption</li>";
6196                         }
6197                 }
6198         }
6199
6200         function format_tags_string($tags, $id) {
6201
6202                 $tags_str = "";
6203                 $tags_nolinks_str = "";
6204
6205                 $num_tags = 0;
6206
6207                 if ($_SESSION["theme"] == "3pane") {
6208                         $tag_limit = 3;
6209                 } else {
6210                         $tag_limit = 6;
6211                 }
6212
6213                 $formatted_tags = array();
6214
6215                 foreach ($tags as $tag) {
6216                         $num_tags++;
6217                         $tag_escaped = str_replace("'", "\\'", $tag);
6218
6219                         if (mb_strlen($tag) > 30) {
6220                                 $tag = truncate_string($tag, 30);
6221                         }
6222
6223                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6224
6225                         array_push($formatted_tags, $tag_str);
6226
6227                         $tmp_tags_str = implode(", ", $formatted_tags);
6228
6229                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6230                                 break;
6231                         }
6232                 }
6233
6234                 $tags_str = implode(", ", $formatted_tags);
6235
6236                 if ($num_tags < count($tags)) {
6237                         $tags_str .= ", &hellip;";
6238                 }
6239
6240                 if ($num_tags == 0) {
6241                         $tags_str = __("no tags");
6242                 }
6243
6244                 return $tags_str;
6245
6246         }
6247
6248         function format_article_labels($labels, $id) {
6249
6250                 $labels_str = "";
6251
6252                 foreach ($labels as $l) {
6253                         $labels_str .= sprintf("<span class='hlLabelRef'
6254                                 style='color : %s; background-color : %s'>%s</span>",
6255                                         $l[2], $l[3], $l[1]);
6256                         }
6257
6258                 return $labels_str;
6259
6260         }
6261
6262         function format_article_note($id, $note) {
6263
6264                 $note_escaped = htmlspecialchars($note, ENT_QUOTES);
6265
6266                 $str = "<div class='articleNote'>";
6267                 $str .= $note;
6268                 $str .= "<div class='articleNoteOps'>";
6269                 $str .= "<a href=\"javascript:publishWithNote($id, '$note_escaped')\">".
6270                         __('edit note')."</a>";
6271                 $str .= "</div>";
6272                 $str .= "</div>";
6273
6274                 return $str;
6275         }
6276 ?>