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)$num_feeds. "\"/>";
3082
3083                 print "<param key=\"collapsed_feedlist\" value=\"" .
3084                         (int) get_pref($link, "_COLLAPSED_FEEDLIST") . "\"/>";
3085
3086                 print "</init-params>";
3087         }
3088
3089         function print_runtime_info($link) {
3090                 print "<runtime-info>";
3091
3092                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3093                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3094
3095                 $num_feeds = db_fetch_result($result, 0, "cf");
3096
3097                 print "<param key=\"num_feeds\" value=\"".
3098                         (int)$num_feeds. "\"/>";
3099
3100                 if (ENABLE_UPDATE_DAEMON) {
3101                         print "<param key=\"daemon_is_running\" value=\"".
3102                                 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
3103
3104                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3105
3106                                 $stamp = (int)read_stampfile("update_daemon.stamp");
3107
3108 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
3109
3110                                 if ($stamp) {
3111                                         $stamp_delta = time() - $stamp;
3112
3113                                         if ($stamp_delta > 1800) {
3114                                                 $stamp_check = 0;
3115                                         } else {
3116                                                 $stamp_check = 1;
3117                                                 $_SESSION["daemon_stamp_check"] = time();
3118                                         }
3119
3120                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
3121
3122                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3123
3124                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
3125                                 }
3126                         }
3127                 }
3128
3129                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3130
3131                         if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3132                                 $new_version_details = check_for_update($link);
3133
3134                                 print "<param key=\"new_version_available\" value=\"".
3135                                         sprintf("%d", $new_version_details != ""). "\"/>";
3136
3137                                 $_SESSION["last_version_check"] = time();
3138                         }
3139                 }
3140
3141 //              print "<param key=\"new_version_available\" value=\"1\"/>";
3142
3143                 print "</runtime-info>";
3144         }
3145
3146         function getSearchSql($search, $match_on) {
3147
3148                 $search_query_part = "";
3149
3150                 $keywords = split(" ", $search);
3151                 $query_keywords = array();
3152
3153                 if ($match_on == "both") {
3154
3155                         foreach ($keywords as $k) {
3156                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
3157                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3158                         }
3159
3160                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3161
3162                 } else if ($match_on == "title") {
3163
3164                         foreach ($keywords as $k) {
3165                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
3166                         }
3167
3168                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3169
3170                 } else if ($match_on == "content") {
3171
3172                         foreach ($keywords as $k) {
3173                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3174                         }
3175                 }
3176
3177                 $search_query_part = implode("AND", $query_keywords);
3178
3179                 return $search_query_part;
3180         }
3181
3182         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3183
3184                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3185
3186                         if ($search) {
3187
3188                                 $search_query_part = getSearchSql($search, $match_on);
3189                                 $search_query_part .= " AND ";
3190
3191                         } else {
3192                                 $search_query_part = "";
3193                         }
3194
3195                         $view_query_part = "";
3196
3197                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3198                                 if ($search) {
3199                                         $view_query_part = " ";
3200                                 } else if ($feed != -1) {
3201                                         $unread = getFeedUnread($link, $feed, $cat_view);
3202                                         if ($unread > 0) {
3203                                                 $view_query_part = " unread = true AND ";
3204                                         }
3205                                 }
3206                         }
3207
3208                         if ($view_mode == "marked") {
3209                                 $view_query_part = " marked = true AND ";
3210                         }
3211
3212                         if ($view_mode == "unread") {
3213                                 $view_query_part = " unread = true AND ";
3214                         }
3215
3216                         if ($view_mode == "updated") {
3217                                 $view_query_part = " (last_read is null and unread = false) AND ";
3218                         }
3219
3220                         if ($limit > 0) {
3221                                 $limit_query_part = "LIMIT " . $limit;
3222                         }
3223
3224                         $vfeed_query_part = "";
3225
3226                         // override query strategy and enable feed display when searching globally
3227                         if ($search && $search_mode == "all_feeds") {
3228                                 $query_strategy_part = "ttrss_entries.id > 0";
3229                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3230                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3231                                 $query_strategy_part = "ttrss_entries.id > 0";
3232                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3233                                         id = feed_id) as feed_title,";
3234                         } else if ($feed >= 0 && $search && $search_mode == "this_cat") {
3235
3236                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3237
3238                                 $tmp_result = false;
3239
3240                                 if ($cat_view) {
3241                                         $tmp_result = db_query($link, "SELECT id
3242                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3243                                 } else {
3244                                         $tmp_result = db_query($link, "SELECT id
3245                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3246                                                         WHERE id = '$feed') AND id != '$feed'");
3247                                 }
3248
3249                                 $cat_siblings = array();
3250
3251                                 if (db_num_rows($tmp_result) > 0) {
3252                                         while ($p = db_fetch_assoc($tmp_result)) {
3253                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3254                                         }
3255
3256                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3257                                                 $feed, implode(" OR ", $cat_siblings));
3258
3259                                 } else {
3260                                         $query_strategy_part = "ttrss_entries.id > 0";
3261                                 }
3262
3263                         } else if ($feed >= 0) {
3264
3265                                 if ($cat_view) {
3266
3267                                         if ($feed > 0) {
3268                                                 $query_strategy_part = "cat_id = '$feed'";
3269                                         } else {
3270                                                 $query_strategy_part = "cat_id IS NULL";
3271                                         }
3272
3273                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3274
3275                                 } else {
3276                                         $tmp_result = db_query($link, "SELECT id
3277                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3278                                                 ORDER BY cat_id,title");
3279
3280                                         $parent_ids = array();
3281
3282                                         if (db_num_rows($tmp_result) > 0) {
3283                                                 while ($p = db_fetch_assoc($tmp_result)) {
3284                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3285                                                 }
3286
3287                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3288                                                         $feed, implode(" OR ", $parent_ids));
3289
3290                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3291                                         } else {
3292                                                 $query_strategy_part = "feed_id = '$feed'";
3293                                         }
3294                                 }
3295                         } else if ($feed == -1) { // starred virtual feed
3296                                 $query_strategy_part = "marked = true";
3297                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3298                         } else if ($feed == -2) { // published virtual feed OR labels category
3299
3300                                 if (!$cat_view) {
3301                                         $query_strategy_part = "published = true";
3302                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3303                                 } else {
3304                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3305
3306                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3307
3308                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3309                                                 ttrss_user_labels2.article_id = ref_id";
3310
3311                                 }
3312
3313                         } else if ($feed == -3) { // fresh virtual feed
3314                                 $query_strategy_part = "unread = true";
3315
3316                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3317
3318                                 if (DB_TYPE == "pgsql") {
3319                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3320                                 } else {
3321                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3322                                 }
3323
3324                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3325                         } else if ($feed == -4) { // all articles virtual feed
3326                                 $query_strategy_part = "true";
3327                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3328                         } else if ($feed <= -10) { // labels
3329                                 $label_id = -$feed - 11;
3330
3331                                 $query_strategy_part = "label_id = '$label_id' AND
3332                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3333                                         ttrss_user_labels2.article_id = ref_id";
3334
3335                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3336                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3337
3338                         } else {
3339                                 $query_strategy_part = "id > 0"; // dumb
3340                         }
3341
3342                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3343                                 $order_by = "updated";
3344                         } else {
3345                                 $order_by = "updated DESC";
3346                         }
3347
3348                         if ($view_mode != "noscores") {
3349                                 $order_by = "score DESC, $order_by";
3350                         }
3351
3352                         if ($override_order) {
3353                                 $order_by = $override_order;
3354                         }
3355
3356                         $feed_title = "";
3357
3358                         if ($search && $search_mode == "all_feeds") {
3359                                 $feed_title = __("Search results")." ($search)";
3360                         } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3361                                 $feed_title = __("Search results")." ($search, $feed)";
3362                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3363                                 $feed_title = $feed;
3364                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
3365
3366                                 if ($cat_view) {
3367
3368                                         if ($feed != 0) {
3369                                                 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
3370                                                         WHERE id = '$feed' AND owner_uid = $owner_uid");
3371                                                 $feed_title = db_fetch_result($result, 0, "title");
3372                                         } else {
3373                                                 $feed_title = __("Uncategorized");
3374                                         }
3375
3376                                         if ($search) {
3377                                                 $feed_title = __("Searched for")." $search ($feed_title)";
3378                                         }
3379
3380                                 } else {
3381
3382                                         $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds
3383                                                 WHERE id = '$feed' AND owner_uid = $owner_uid");
3384
3385                                         $feed_title = db_fetch_result($result, 0, "title");
3386                                         $feed_site_url = db_fetch_result($result, 0, "site_url");
3387                                         $last_error = db_fetch_result($result, 0, "last_error");
3388
3389                                         if ($search) {
3390                                                 $feed_title = __("Searched for") . " $search ($feed_title)";
3391                                         }
3392                                 }
3393
3394                         } else if ($feed == -1) {
3395                                 $feed_title = __("Starred articles");
3396                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3397                         } else if ($feed == -2) {
3398                                 if (!$cat_view) {
3399                                         $feed_title = __("Published articles");
3400                                         if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3401                                 } else {
3402                                         $feed_title = __("Labels");
3403                                 }
3404                         } else if ($feed == -3) {
3405                                 $feed_title = __("Fresh articles");
3406                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3407                         } else if ($feed == -4) {
3408                                 $feed_title = __("All articles");
3409                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3410                         } else if ($feed < -10) {
3411                                 $label_id = -$feed - 11;
3412                                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
3413                                         WHERE id = '$label_id'");
3414                                 $feed_title = db_fetch_result($result, 0, "caption");
3415
3416                                 if ($search) {
3417                                         $feed_title = __("Searched for") . " $search ($feed_title)";
3418                                 }
3419                         } else {
3420                                 $feed_title = "?";
3421                         }
3422
3423                         $content_query_part = "content as content_preview,";
3424
3425                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3426
3427                                 if ($feed >= 0) {
3428                                         $feed_kind = "Feeds";
3429                                 } else {
3430                                         $feed_kind = "Labels";
3431                                 }
3432
3433                                 if ($limit_query_part) {
3434                                         $offset_query_part = "OFFSET $offset";
3435                                 }
3436
3437                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3438                                         if (!$override_order) {
3439                                                 $order_by = "ttrss_feeds.title, $order_by";
3440                                         }
3441
3442                                         // Special output for Fresh feed
3443
3444 /*                                      if ($feed == -3) {
3445                                                 $group_limit_part = "(select count(*) from
3446                                                         ttrss_user_entries AS t1, ttrss_entries AS t2 where
3447                                                                 t1.ref_id = t2.id and t1.owner_uid = 2 and
3448                                                                 t1.feed_id = ttrss_user_entries.feed_id and
3449                                                                 t2.updated > ttrss_entries.updated) <= 5 AND";
3450 } */
3451                                 }
3452
3453                                 $query = "SELECT DISTINCT
3454                                                 guid,
3455                                                 ttrss_entries.id,ttrss_entries.title,
3456                                                 updated,
3457                                                 note,
3458                                                 unread,feed_id,marked,published,link,last_read,
3459                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3460                                                 $vfeed_query_part
3461                                                 $content_query_part
3462                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3463                                                 author,score
3464                                         FROM
3465                                                 ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part
3466                                         WHERE
3467                                         $group_limit_part
3468                                         ttrss_feeds.hidden = false AND
3469                                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
3470                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3471                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3472                                         $search_query_part
3473                                         $view_query_part
3474                                         $query_strategy_part ORDER BY $order_by
3475                                         $limit_query_part $offset_query_part";
3476
3477                                 if ($_GET["debug"]) print $query;
3478
3479                                 $result = db_query($link, $query);
3480
3481                         } else {
3482                                 // browsing by tag
3483
3484                                 $feed_kind = "Tags";
3485
3486                                 $result = db_query($link, "SELECT
3487                                         guid,
3488                                         note,
3489                                         ttrss_entries.id as id,title,
3490                                         updated,
3491                                         unread,feed_id,
3492                                         marked,link,last_read,
3493                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3494                                         $vfeed_query_part
3495                                         $content_query_part
3496                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3497                                         score
3498                                         FROM
3499                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3500                                         WHERE
3501                                                 ref_id = ttrss_entries.id AND
3502                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3503                                                 post_int_id = int_id AND tag_name = '$feed' AND
3504                                                 $view_query_part
3505                                                 $search_query_part
3506                                                 $query_strategy_part ORDER BY $order_by
3507                                         $limit_query_part");
3508                         }
3509
3510                         return array($result, $feed_title, $feed_site_url, $last_error);
3511
3512         }
3513
3514         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3515                 $limit, $search, $search_mode, $match_on) {
3516
3517                 $note_style =   "float : right; background-color : #fff7d5; border-width : 1px; ".
3518                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3519                         "margin-bottom : 1em; color : #9a8c59;";
3520
3521                 if (!$limit) $limit = 30;
3522
3523                 $qfh_ret = queryFeedHeadlines($link, $feed,
3524                         $limit, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3525                         $owner_uid);
3526
3527                 $result = $qfh_ret[0];
3528                 $feed_title = htmlspecialchars($qfh_ret[1]);
3529                 $feed_site_url = $qfh_ret[2];
3530                 $last_error = $qfh_ret[3];
3531
3532 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3533
3534                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3535                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3536                         <rss version=\"2.0\">
3537                         <channel>
3538                         <title>$feed_title</title>
3539                         <link>$feed_site_url</link>
3540                         <description>Feed generated by Tiny Tiny RSS</description>";
3541
3542                 while ($line = db_fetch_assoc($result)) {
3543                         print "<item>";
3544                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3545                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3546
3547                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3548
3549                         foreach ($tags as $tag) {
3550                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3551                         }
3552
3553                         $rfc822_date = date('r', strtotime($line["updated"]));
3554
3555                         print "<pubDate>$rfc822_date</pubDate>";
3556
3557                         print "<title>" .
3558                                 htmlspecialchars($line["title"]) . "</title>";
3559
3560                         print "<description><![CDATA[";
3561
3562                         if ($line["note"]) {
3563                                 print "<div style='$note_style'>";
3564                                 print $line["note"];
3565                                 print "</div>";
3566                         }
3567
3568                         print sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3569                         print "]]></description>";
3570
3571                         print "</item>";
3572                 }
3573
3574                 print "</channel></rss>";
3575
3576         }
3577
3578         function getCategoryTitle($link, $cat_id) {
3579
3580                 if ($cat_id == -1) {
3581                         return __("Special");
3582                 } else if ($cat_id == -2) {
3583                         return __("Labels");
3584                 } else {
3585
3586                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3587                                 id = '$cat_id'");
3588
3589                         if (db_num_rows($result) == 1) {
3590                                 return db_fetch_result($result, 0, "title");
3591                         } else {
3592                                 return "Uncategorized";
3593                         }
3594                 }
3595         }
3596
3597         function strip_tags_long($string, $allowed) {
3598
3599                 $config = HTMLPurifier_Config::createDefault();
3600
3601                 $config->set('HTML', 'Allowed', $allowed);
3602                 $purifier = new HTMLPurifier($config);
3603
3604                 return $purifier->purify($string);
3605
3606         }
3607
3608         // http://ru2.php.net/strip-tags
3609
3610 /*      function strip_tags_long($textstring, $allowed){
3611         while($textstring != strip_tags($textstring, $allowed))
3612     {
3613     while (strlen($textstring) != 0)
3614          {
3615          if (strlen($textstring) > 1024) {
3616               $otherlen = 1024;
3617          } else {
3618               $otherlen = strlen($textstring);
3619          }
3620          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3621          $safetext .= $temptext;
3622          $textstring = substr_replace($textstring,'',0,$otherlen);
3623          }
3624     $textstring = $safetext;
3625     }
3626         return $textstring;
3627 } */
3628
3629
3630         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false) {
3631                 $res = $str;
3632
3633                 if (!$owner) $owner = $_SESSION["uid"];
3634
3635                 if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3636
3637 //                      $res = strip_tags_long($res,
3638 //                              "<p><a><i><em><b><strong><code><pre><blockquote><br><img><ul><ol><li>");
3639
3640                         $res = strip_tags_long($res,
3641                                 "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4");
3642
3643                 }
3644
3645                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3646
3647                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3648
3649                 }
3650
3651                 return $res;
3652         }
3653
3654         /**
3655          * Send by mail a digest of last articles.
3656          *
3657          * @param mixed $link The database connection.
3658          * @param integer $limit The maximum number of articles by digest.
3659          * @return boolean Return false if digests are not enabled.
3660          */
3661         function send_headlines_digests($link, $limit = 100) {
3662
3663                 if (!DIGEST_ENABLE) return false;
3664
3665                 $user_limit = DIGEST_EMAIL_LIMIT;
3666                 $days = 1;
3667
3668                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3669
3670                 if (DB_TYPE == "pgsql") {
3671                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3672                 } else if (DB_TYPE == "mysql") {
3673                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3674                 }
3675
3676                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3677                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3678
3679                 while ($line = db_fetch_assoc($result)) {
3680
3681                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3682                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3683
3684                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3685
3686                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3687                                 $digest = $tuple[0];
3688                                 $headlines_count = $tuple[1];
3689                                 $affected_ids = $tuple[2];
3690                                 $digest_text = $tuple[3];
3691
3692                                 if ($headlines_count > 0) {
3693
3694                                         $mail = new PHPMailer();
3695
3696                                         $mail->PluginDir = "lib/phpmailer/";
3697                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3698
3699                                         $mail->CharSet = "UTF-8";
3700
3701                                         $mail->From = DIGEST_FROM_ADDRESS;
3702                                         $mail->FromName = DIGEST_FROM_NAME;
3703                                         $mail->AddAddress($line["email"], $line["login"]);
3704
3705                                         if (DIGEST_SMTP_HOST) {
3706                                                 $mail->Host = DIGEST_SMTP_HOST;
3707                                                 $mail->Mailer = "smtp";
3708                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3709                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3710                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3711                                         }
3712
3713                                         $mail->IsHTML(true);
3714                                         $mail->Subject = DIGEST_SUBJECT;
3715                                         $mail->Body = $digest;
3716                                         $mail->AltBody = $digest_text;
3717
3718                                         $rc = $mail->Send();
3719
3720                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3721
3722                                         print "RC=$rc\n";
3723
3724                                         if ($rc && $do_catchup) {
3725                                                 print "Marking affected articles as read...\n";
3726                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3727                                         }
3728
3729                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3730                                                         WHERE id = " . $line["id"]);
3731                                 } else {
3732                                         print "No headlines\n";
3733                                 }
3734                         }
3735                 }
3736
3737                 print "All done.\n";
3738
3739         }
3740
3741         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3742
3743                 require_once "lib/MiniTemplator.class.php";
3744
3745                 $tpl = new MiniTemplator;
3746                 $tpl_t = new MiniTemplator;
3747
3748                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3749                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3750
3751                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3752                 $tpl->setVariable('CUR_TIME', date('G:i'));
3753
3754                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3755                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3756
3757                 $affected_ids = array();
3758
3759                 if (DB_TYPE == "pgsql") {
3760                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3761                 } else if (DB_TYPE == "mysql") {
3762                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3763                 }
3764
3765                 $result = db_query($link, "SELECT ttrss_entries.title,
3766                                 ttrss_feeds.title AS feed_title,
3767                                 date_entered,
3768                                 ttrss_user_entries.ref_id,
3769                                 link,
3770                                 SUBSTRING(content, 1, 120) AS excerpt,
3771                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3772                         FROM
3773                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3774                         WHERE
3775                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3776                                 AND include_in_digest = true
3777                                 AND $interval_query
3778                                 AND hidden = false
3779                                 AND ttrss_user_entries.owner_uid = $user_id
3780                                 AND unread = true
3781                         ORDER BY ttrss_feeds.title, date_entered DESC
3782                         LIMIT $limit");
3783
3784                 $cur_feed_title = "";
3785
3786                 $headlines_count = db_num_rows($result);
3787
3788                 $headlines = array();
3789
3790                 while ($line = db_fetch_assoc($result)) {
3791                         array_push($headlines, $line);
3792                 }
3793
3794                 for ($i = 0; $i < sizeof($headlines); $i++) {
3795
3796                         $line = $headlines[$i];
3797
3798                         array_push($affected_ids, $line["ref_id"]);
3799
3800                         $updated = smart_date_time(strtotime($line["last_updated"]));
3801
3802                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3803                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3804                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3805                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3806                         $tpl->setVariable('ARTICLE_EXCERPT',
3807                                 truncate_string(strip_tags($line["excerpt"]), 100));
3808
3809                         $tpl->addBlock('article');
3810
3811                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3812                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3813                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3814                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3815 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3816 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3817
3818                         $tpl_t->addBlock('article');
3819
3820                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3821                                 $tpl->addBlock('feed');
3822                                 $tpl_t->addBlock('feed');
3823                         }
3824
3825                 }
3826
3827                 $tpl->addBlock('digest');
3828                 $tpl->generateOutputToString($tmp);
3829
3830                 $tpl_t->addBlock('digest');
3831                 $tpl_t->generateOutputToString($tmp_t);
3832
3833                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3834         }
3835
3836         function check_for_update($link) {
3837                 $releases_feed = "http://tt-rss.org/releases.rss";
3838
3839                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3840                         return;
3841                 }
3842
3843                 error_reporting(0);
3844                 if (ENABLE_SIMPLEPIE) {
3845                         $rss = new SimplePie();
3846                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3847 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3848                         $rss->set_feed_url($fetch_url);
3849                         $rss->set_output_encoding('UTF-8');
3850                         $rss->init();
3851                 } else {
3852                         $rss = fetch_rss($releases_feed);
3853                 }
3854                 error_reporting (DEFAULT_ERROR_LEVEL);
3855
3856                 if ($rss) {
3857
3858                         if (ENABLE_SIMPLEPIE) {
3859                                 $items = $rss->get_items();
3860                         } else {
3861                                 $items = $rss->items;
3862
3863                                 if (!$items || !is_array($items)) $items = $rss->entries;
3864                                 if (!$items || !is_array($items)) $items = $rss;
3865                         }
3866
3867                         if (!is_array($items) || count($items) == 0) {
3868                                 return;
3869                         }
3870
3871                         $latest_item = $items[0];
3872
3873                         if (ENABLE_SIMPLEPIE) {
3874                                 $last_title = $latest_item->get_title();
3875                         } else {
3876                                 $last_title = $latest_item["title"];
3877                         }
3878
3879                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3880
3881                         if (ENABLE_SIMPLEPIE) {
3882                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3883                                 $content = sanitize_rss($link, $latest_item->get_description());
3884                         } else {
3885                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3886                                 $content = sanitize_rss($link, $latest_item["description"]);
3887                         }
3888
3889                         if (version_compare(VERSION, $latest_version) == -1) {
3890                                 return sprintf("New version of Tiny-Tiny RSS (%s) is available:",
3891                                         $latest_version)."<div class='milestoneDetails'>$content</div>";
3892                         } else {
3893                                 return false;
3894                         }
3895                 }
3896         }
3897
3898         function markArticlesById($link, $ids, $cmode) {
3899
3900                 $tmp_ids = array();
3901
3902                 foreach ($ids as $id) {
3903                         array_push($tmp_ids, "ref_id = '$id'");
3904                 }
3905
3906                 $ids_qpart = join(" OR ", $tmp_ids);
3907
3908                 if ($cmode == 0) {
3909                         db_query($link, "UPDATE ttrss_user_entries SET
3910                         marked = false,last_read = NOW()
3911                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3912                 } else if ($cmode == 1) {
3913                         db_query($link, "UPDATE ttrss_user_entries SET
3914                         marked = true
3915                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3916                 } else {
3917                         db_query($link, "UPDATE ttrss_user_entries SET
3918                         marked = NOT marked,last_read = NOW()
3919                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3920                 }
3921         }
3922
3923         function publishArticlesById($link, $ids, $cmode) {
3924
3925                 $tmp_ids = array();
3926
3927                 foreach ($ids as $id) {
3928                         array_push($tmp_ids, "ref_id = '$id'");
3929                 }
3930
3931                 $ids_qpart = join(" OR ", $tmp_ids);
3932
3933                 if ($cmode == 0) {
3934                         db_query($link, "UPDATE ttrss_user_entries SET
3935                         published = false,last_read = NOW()
3936                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3937                 } else if ($cmode == 1) {
3938                         db_query($link, "UPDATE ttrss_user_entries SET
3939                         published = true
3940                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3941                 } else {
3942                         db_query($link, "UPDATE ttrss_user_entries SET
3943                         published = NOT published,last_read = NOW()
3944                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3945                 }
3946         }
3947
3948         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
3949
3950                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3951
3952                 $tmp_ids = array();
3953
3954                 foreach ($ids as $id) {
3955                         array_push($tmp_ids, "ref_id = '$id'");
3956                 }
3957
3958                 $ids_qpart = join(" OR ", $tmp_ids);
3959
3960                 if ($cmode == 0) {
3961                         db_query($link, "UPDATE ttrss_user_entries SET
3962                         unread = false,last_read = NOW()
3963                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3964                 } else if ($cmode == 1) {
3965                         db_query($link, "UPDATE ttrss_user_entries SET
3966                         unread = true
3967                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3968                 } else {
3969                         db_query($link, "UPDATE ttrss_user_entries SET
3970                         unread = NOT unread,last_read = NOW()
3971                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3972                 }
3973
3974                 /* update ccache */
3975
3976                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
3977                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3978
3979                 while ($line = db_fetch_assoc($result)) {
3980                         ccache_update($link, $line["feed_id"], $owner_uid);
3981                 }
3982         }
3983
3984         function catchupArticleById($link, $id, $cmode) {
3985
3986                 if ($cmode == 0) {
3987                         db_query($link, "UPDATE ttrss_user_entries SET
3988                         unread = false,last_read = NOW()
3989                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3990                 } else if ($cmode == 1) {
3991                         db_query($link, "UPDATE ttrss_user_entries SET
3992                         unread = true
3993                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3994                 } else {
3995                         db_query($link, "UPDATE ttrss_user_entries SET
3996                         unread = NOT unread,last_read = NOW()
3997                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3998                 }
3999         }
4000
4001         function make_guid_from_title($title) {
4002                 return preg_replace("/[ \"\',.:;]/", "-",
4003                         mb_strtolower(strip_tags($title), 'utf-8'));
4004         }
4005
4006         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4007                         $feed_id, $is_cat, $search, $match_on,
4008                         $search_mode) {
4009
4010                         print "<div class=\"headlinesSubToolbar\">";
4011
4012                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
4013                         $page_next_link = "javascript:viewFeedGoPage(1)";
4014                         $page_first_link = "javascript:viewFeedGoPage(0)";
4015
4016                         $catchup_page_link = "javascript:catchupPage()";
4017                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
4018                         $catchup_sel_link = "javascript:catchupSelection()";
4019
4020                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4021
4022                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
4023                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
4024                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
4025                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4026
4027                                 $tog_unread_link = "javascript:selectionToggleUnread()";
4028                                 $tog_marked_link = "javascript:selectionToggleMarked()";
4029                                 $tog_published_link = "javascript:selectionTogglePublished()";
4030
4031                         } else {
4032
4033                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
4034                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
4035                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
4036
4037                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4038
4039                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
4040                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
4041                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
4042
4043                         }
4044
4045                         print "<div id=\"subtoolbar_ftitle\">";
4046
4047                         if ($feed_site_url) {
4048                                 if (!$bottom) {
4049                                         $target = "target=\"_blank\"";
4050                                 }
4051                                 print "<a $target href=\"$feed_site_url\">".
4052                                         truncate_string($feed_title,30)."</a>";
4053                         } else {
4054                                 print $feed_title;
4055                         }
4056
4057                         if ($search) {
4058                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4059                         }
4060
4061                         print "
4062                                 <a target=\"_blank\"
4063                                         href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
4064                                         <img class=\"noborder\"
4065                                                 alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
4066                                                 </a>";
4067
4068                         print "</div>";
4069
4070                         print __('Select:')."
4071                                 <a href=\"$sel_all_link\">".__('All')."</a>,
4072                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
4073                                 <a href=\"$sel_inv_link\">".__('Invert')."</a>,
4074                                 <a href=\"$sel_none_link\">".__('None')."</a></li>";
4075
4076                         print "&nbsp;&nbsp;";
4077
4078                         print "<span
4079                                 onmouseover=\"enable_selection(false)\"
4080             onmouseout=\"enable_selection(true)\"
4081                                 onclick=\"toggleHeadlineActions()\" id=\"headlineActionsDrop\">".
4082                                 __("Actions...") . "&nbsp;&nbsp;<img width='11' height'7'
4083                                 src=\"images/down_arrow.png\">
4084                                 </span>";
4085
4086                         print "<ul id=\"headlineActionsBody\" style=\"display : none\">";
4087
4088                         print "<li class=\"insensitive\">".__('Selection toggle:')."</li>
4089                                 <li onclick=\"$tog_unread_link\">&nbsp;&nbsp;".__('Unread')."</li>
4090                                 <li onclick=\"$tog_marked_link\">&nbsp;&nbsp;".__('Starred')."</li>
4091                                 <li onclick=\"$tog_published_link\">&nbsp;&nbsp;".__('Published')."</li>
4092                                 <!-- <li><span class=\"insensitive\">--------</span></li> -->
4093                                 <li class=\"insensitive\">".__('Mark as read:')."</li>
4094                                 <li onclick=\"$catchup_sel_link\">&nbsp;&nbsp;".__('Selection')."</li>";
4095
4096                         print "<li onclick=\"$catchup_feed_link\">&nbsp;&nbsp;".__('Entire feed').
4097                                 "</li>";
4098
4099                         //print "<li><span class=\"insensitive\">--------</span></li>";
4100                         print "<li class=\"insensitive\">".__('Assign label:')."</li>";
4101
4102                         print_labels_headlines_dropdown($link, $feed_id);
4103
4104                         print "</ul>";
4105
4106                         print "</div>";
4107                 }
4108
4109         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
4110
4111                         $tmp_category = getCategoryTitle($link, $cat_id);
4112
4113                         if ($cat_id > 0) {
4114                                 $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
4115                         } else if ($cat_id == 0 || $cat_id == -2) {
4116                                 $cat_unread = getCategoryUnread($link, $cat_id);
4117                         }
4118
4119                         if ($hidden) {
4120                                 $holder_style = "display:none;";
4121                                 $ellipsis = "…";
4122                         } else {
4123                                 $holder_style = "";
4124                                 $ellipsis = "";
4125                         }
4126
4127                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4128
4129                         if ($can_browse) {
4130                                 $browse_cat_link = "onclick=\"javascript:viewCategory($cat_id)\"";
4131                                 $inner_title_class = "catTitle";
4132                         } else {
4133                                 $browse_cat_link = "";
4134                                 $inner_title_class = "catTitleNL";
4135                         }
4136
4137                         $cat_class = "feedCat";
4138
4139                         print "<li class=\"$cat_class\" id=\"FCAT-$cat_id\">
4140                                 <img onclick=\"toggleCollapseCat($cat_id)\" class=\"catCollapse\"
4141                                         title=\"".__('Click to collapse category')."\"
4142                                         src=\"images/cat-collapse.png\"><span class=\"$inner_title_class\"
4143                                         id=\"FCATN-$cat_id\" $browse_cat_link/>$tmp_category</span>";
4144
4145                         print "<span id=\"FCAP-$cat_id\">";
4146
4147                         print " <span id=\"FCATCTR-$cat_id\"
4148                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4149
4150                         print "</span>";
4151
4152                         //print "</li>";
4153
4154                         print "<ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4155
4156         }
4157
4158         function outputFeedList($link, $tags = false) {
4159
4160                 print "<ul class=\"feedList\" id=\"feedList\">";
4161
4162                 $owner_uid = $_SESSION["uid"];
4163
4164                 /* virtual feeds */
4165
4166                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4167
4168                         $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4169
4170                         printCategoryHeader($link, -1, $cat_hidden, false);
4171                 }
4172
4173                 $num_starred = getFeedUnread($link, -1);
4174                 $num_published = getFeedUnread($link, -2);
4175                 $num_fresh = getFeedUnread($link, -3);
4176                 $num_total = getFeedUnread($link, -4);
4177
4178                 $class = "virt";
4179
4180                 if ($num_total > 0) $class .= "Unread";
4181
4182                 printFeedEntry(-4, $class, __("All articles"), $num_total,
4183                         "images/tag.png", $link);
4184
4185                 $class = "virt";
4186
4187                 if ($num_fresh > 0) $class .= "Unread";
4188
4189                 printFeedEntry(-3, $class, __("Fresh articles"), $num_fresh,
4190                         "images/fresh.png", $link);
4191
4192                 $class = "virt";
4193
4194                 if ($num_starred > 0) $class .= "Unread";
4195
4196                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4197
4198                 if ($is_ie) {
4199                         $mark_img_ext = "gif";
4200                 } else {
4201                         $mark_img_ext = "png";
4202                 }
4203
4204                 printFeedEntry(-1, $class, __("Starred articles"), $num_starred,
4205                         "images/mark_set.$mark_img_ext", $link);
4206
4207                 $class = "virt";
4208
4209                 if ($num_published > 0) $class .= "Unread";
4210
4211                 printFeedEntry(-2, $class, __("Published articles"), $num_published,
4212                         "images/pub_set.gif", $link);
4213
4214                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4215                         print "</ul></li>";
4216                 }
4217
4218                 if (!$tags) {
4219
4220
4221                                 $result = db_query($link, "SELECT * FROM
4222                                         ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4223
4224                                 if (db_num_rows($result) > 0) {
4225                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4226
4227                                                 $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
4228
4229                                                 printCategoryHeader($link, -2, $cat_hidden, true);
4230
4231                                         } else {
4232                                                 print "<li><hr></li>";
4233                                         }
4234                                 }
4235
4236                                 while ($line = db_fetch_assoc($result)) {
4237
4238                                         $label_id = -$line['id'] - 11;
4239                                         $count = getFeedUnread($link, $label_id);
4240
4241                                         $class = "label";
4242
4243                                         if ($count > 0) {
4244                                                 $class .= "Unread";
4245                                         }
4246
4247                                         printFeedEntry($label_id,
4248                                                 $class, $line["caption"],
4249                                                 $count, "images/label.png", $link,
4250                                                 false, false, false,
4251                                                 $line['fg_color'], $line['bg_color']);
4252
4253                                 }
4254
4255                                 if (db_num_rows($result) > 0) {
4256                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4257                                                 print "</ul>";
4258                                         }
4259                                 }
4260
4261
4262                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4263                                 print "<li><hr></li>";
4264                         }
4265
4266                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4267                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4268                                         $order_by_qpart = "order_id,category,unread DESC,title";
4269                                 } else {
4270                                         $order_by_qpart = "order_id,category,title";
4271                                 }
4272                         } else {
4273                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4274                                         $order_by_qpart = "unread DESC,title";
4275                                 } else {
4276                                         $order_by_qpart = "title";
4277                                 }
4278                         }
4279
4280                         $age_qpart = getMaxAgeSubquery();
4281
4282                         $query = "SELECT ttrss_feeds.*,
4283                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4284                                 cat_id,last_error,
4285                                 ttrss_feed_categories.title AS category,
4286                                 ttrss_feed_categories.collapsed,
4287                                 value AS unread
4288                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4289                                         ON (ttrss_feed_categories.id = cat_id)
4290                                 LEFT JOIN ttrss_counters_cache
4291                                         ON
4292                                                 (ttrss_feeds.id = feed_id)
4293                                 WHERE
4294                                         ttrss_feeds.hidden = false AND
4295                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4296                                 ORDER BY $order_by_qpart";
4297
4298                         $result = db_query($link, $query);
4299
4300                         $actid = $_GET["actid"];
4301
4302                         /* real feeds */
4303
4304                         $lnum = 0;
4305
4306                         $total_unread = 0;
4307
4308                         $category = "";
4309
4310                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4311
4312                         while ($line = db_fetch_assoc($result)) {
4313
4314                                 $feed = htmlspecialchars(trim($line["title"]));
4315
4316                                 if (!$feed) $feed = "[Untitled]";
4317
4318                                 $feed_id = $line["id"];
4319                                 $unread = $line["unread"];
4320
4321                                 $subop = $_GET["subop"];
4322
4323                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4324                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4325                                 } else {
4326                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4327                                 }
4328
4329                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4330
4331                                 if ($rtl_content) {
4332                                         $rtl_tag = "dir=\"RTL\"";
4333                                 } else {
4334                                         $rtl_tag = "";
4335                                 }
4336
4337                                 $tmp_result = db_query($link,
4338                                         "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
4339                                                 WHERE parent_feed = '$feed_id' AND feed_id = id");
4340
4341                                 $unread += db_fetch_result($tmp_result, 0, "unread");
4342
4343                                 $cat_id = $line["cat_id"];
4344
4345                                 $tmp_category = $line["category"];
4346
4347                                 if (!$tmp_category) {
4348                                         $tmp_category = __("Uncategorized");
4349                                 }
4350
4351         //                      $class = ($lnum % 2) ? "even" : "odd";
4352
4353                                 if ($line["last_error"]) {
4354                                         $class = "error";
4355                                 } else {
4356                                         $class = "feed";
4357                                 }
4358
4359                                 if ($unread > 0) $class .= "Unread";
4360
4361                                 if ($actid == $feed_id) {
4362                                         $class .= "Selected";
4363                                 }
4364
4365                                 $total_unread += $unread;
4366
4367                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4368
4369                                         if ($category) {
4370                                                 print "</ul></li>";
4371                                         }
4372
4373                                         $category = $tmp_category;
4374
4375                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4376
4377                                         // workaround for NULL category
4378                                         if ($category == __("Uncategorized")) {
4379                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4380                                         }
4381
4382                                         $cat_id = sprintf("%d", $cat_id);
4383
4384                                         printCategoryHeader($link, $cat_id, $collapsed, true);
4385
4386                                 }
4387
4388                                 printFeedEntry($feed_id, $class, $feed, $unread,
4389                                         ICONS_URL."/$feed_id.ico", $link, $rtl_content,
4390                                         $last_updated, $line["last_error"]);
4391
4392                                 ++$lnum;
4393                         }
4394
4395                         if (db_num_rows($result) == 0) {
4396                                 print "<li>".__('No feeds to display.')."</li>";
4397                         }
4398
4399                 } else {
4400
4401                         // tags
4402
4403 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4404                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4405                                 post_int_id = ttrss_user_entries.int_id AND
4406                                 unread = true AND ref_id = ttrss_entries.id
4407                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4408                         UNION
4409                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4410                         ORDER BY tag_name"); */
4411
4412                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4413                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4414                                 print "<ul class=\"feedCatList\">";
4415                         }
4416
4417                         $age_qpart = getMaxAgeSubquery();
4418
4419                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4420                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4421                                         AND ref_id = id AND $age_qpart
4422                                         AND unread = true)) AS count FROM ttrss_tags
4423                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4424                                         ORDER BY count DESC LIMIT 50");
4425
4426                         $tags = array();
4427
4428                         while ($line = db_fetch_assoc($result)) {
4429                                 $tags[$line["tag_name"]] += $line["count"];
4430                         }
4431
4432                         foreach (array_keys($tags) as $tag) {
4433
4434                                 $unread = $tags[$tag];
4435
4436                                 $class = "tag";
4437
4438                                 if ($unread > 0) {
4439                                         $class .= "Unread";
4440                                 }
4441
4442                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4443
4444                         }
4445
4446                         if (db_num_rows($result) == 0) {
4447                                 print "<li>No tags to display.</li>";
4448                         }
4449
4450                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4451                                 print "</ul>";
4452                         }
4453
4454                 }
4455
4456                 print "</ul>";
4457
4458         }
4459
4460         function get_article_tags($link, $id, $owner_uid = 0) {
4461
4462                 $a_id = db_escape_string($id);
4463
4464                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4465
4466                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name,
4467                         owner_uid as owner FROM
4468                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4469                                 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
4470
4471                 $tags = array();
4472
4473                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4474                         array_push($tags, $tmp_line["tag_name"]);
4475                 }
4476
4477                 return $tags;
4478         }
4479
4480         function trim_value(&$value) {
4481                 $value = trim($value);
4482         }
4483
4484         function trim_array($array) {
4485                 $tmp = $array;
4486                 array_walk($tmp, 'trim_value');
4487                 return $tmp;
4488         }
4489
4490         function tag_is_valid($tag) {
4491                 if ($tag == '') return false;
4492                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4493                 if (mb_strlen($tag) > 250) return false;
4494
4495                 if (function_exists('iconv')) {
4496                         $tag = iconv("utf-8", "utf-8", $tag);
4497                 }
4498
4499                 if (!$tag) return false;
4500
4501                 return true;
4502         }
4503
4504         function render_login_form($link, $mobile = 0) {
4505                 switch ($mobile) {
4506                 case 0:
4507                         require_once "login_form.php";
4508                         break;
4509                 case 1:
4510                         require_once "mobile/login_form.php";
4511                         break;
4512                 case 2:
4513                         require_once "mobile/classic/login_form.php";
4514                 }
4515         }
4516
4517         // from http://developer.apple.com/internet/safari/faq.html
4518         function no_cache_incantation() {
4519                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4520                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4521                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4522                 header("Cache-Control: post-check=0, pre-check=0", false);
4523                 header("Pragma: no-cache"); // HTTP/1.0
4524         }
4525
4526         function format_warning($msg, $id = "") {
4527                 return "<div class=\"warning\" id=\"$id\">
4528                         <img src=\"images/sign_excl.gif\">$msg</div>";
4529         }
4530
4531         function format_notice($msg) {
4532                 return "<div class=\"notice\">
4533                         <img src=\"images/sign_info.gif\">$msg</div>";
4534         }
4535
4536         function format_error($msg) {
4537                 return "<div class=\"error\">
4538                         <img src=\"images/sign_excl.gif\">$msg</div>";
4539         }
4540
4541         function print_notice($msg) {
4542                 return print format_notice($msg);
4543         }
4544
4545         function print_warning($msg) {
4546                 return print format_warning($msg);
4547         }
4548
4549         function print_error($msg) {
4550                 return print format_error($msg);
4551         }
4552
4553
4554         function T_sprintf() {
4555                 $args = func_get_args();
4556                 return vsprintf(__(array_shift($args)), $args);
4557         }
4558
4559         function format_inline_player($link, $url, $ctype) {
4560
4561                 $entry = "";
4562
4563                 if (($ctype == __("audio/mpeg")) &&  (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4564
4565                         $entry .= "<object type=\"application/x-shockwave-flash\"
4566                                 data=\"extras/button/musicplayer.swf?song_url=$url\"
4567                                 width=\"17\" height=\"17\">
4568                                         <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object>";
4569                 }
4570
4571                 /*
4572
4573                 if (substr($ctype,0,6)=="audio/" || $ctype=="application/ogg" || $ctype=="application/x-ogg") {
4574                         $entry .= "<audio controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4575                         if (($ctype == __("audio/mpeg")) &&
4576                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4577                                 $entry .= "<span><object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object></span>";
4578                         }
4579                         $entry .= "</audio> ";
4580                         if (($ctype == __("audio/mpeg")) &&
4581                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4582                                 $entry .= "<a id='switchToFlashLink' href='#' onclick='return switchToFlash(this)'>".__('Switch to Flash Player')."</a>";
4583                                 $entry .= "<script type='text/javascript'>html5AudioOrFlash('$ctype');</script>";
4584                         }
4585                 } elseif (substr($ctype,0,6)=="video/") {
4586                         $entry .= "<video controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4587                         $entry .= "</video>";
4588                 } */
4589
4590
4591
4592                 return $entry;
4593         }
4594
4595         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4596                 $zoom_mode = false) {
4597
4598                 /* we can figure out feed_id from article id anyway, why do we
4599                  * pass feed_id here? */
4600
4601                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4602                         WHERE ref_id = '$id'");
4603
4604                 $feed_id = db_fetch_result($result, 0, "feed_id");
4605
4606                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4607
4608                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4609                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4610
4611                 if (db_num_rows($result) == 1) {
4612                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4613                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4614                 } else {
4615                         $rtl_content = false;
4616                         $always_display_enclosures = false;
4617                 }
4618
4619                 if ($rtl_content) {
4620                         $rtl_tag = "dir=\"RTL\"";
4621                         $rtl_class = "RTL";
4622                 } else {
4623                         $rtl_tag = "";
4624                         $rtl_class = "";
4625                 }
4626
4627                 if ($mark_as_read) {
4628                         $result = db_query($link, "UPDATE ttrss_user_entries
4629                                 SET unread = false,last_read = NOW()
4630                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4631
4632                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4633                 }
4634
4635                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4636                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4637                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4638                         num_comments,
4639                         author,
4640                         note
4641                         FROM ttrss_entries,ttrss_user_entries
4642                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4643
4644                 if ($result) {
4645
4646                         $link_target = "";
4647
4648                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4649                                 $link_target = "target=\"_blank\"";
4650                         }
4651
4652                         $line = db_fetch_assoc($result);
4653
4654                         if ($line["icon_url"]) {
4655                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4656                         } else {
4657                                 $feed_icon = "&nbsp;";
4658                         }
4659
4660                         $num_comments = $line["num_comments"];
4661                         $entry_comments = "";
4662
4663                         if ($num_comments > 0) {
4664                                 if ($line["comments"]) {
4665                                         $comments_url = $line["comments"];
4666                                 } else {
4667                                         $comments_url = $line["link"];
4668                                 }
4669                                 $entry_comments = "<a $link_target href=\"$comments_url\">$num_comments comments</a>";
4670                         } else {
4671                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4672                                         $entry_comments = "<a $link_target href=\"".$line["comments"]."\">comments</a>";
4673                                 }
4674                         }
4675
4676                         if ($zoom_mode) {
4677                                 header("Content-Type: text/html");
4678                                 print "<html><head>
4679                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4680                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4681                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4682                                         </head><body>";
4683                         }
4684
4685
4686                         print "<div class=\"postReply\">";
4687
4688                         print "<div class=\"postHeader\" onmouseover=\"enable_resize(true)\"
4689                                 onmouseout=\"enable_resize(false)\">";
4690
4691                         $entry_author = $line["author"];
4692
4693                         if ($entry_author) {
4694                                 $entry_author = __(" - ") . $entry_author;
4695                         }
4696
4697                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4698                                 strtotime($line["updated"]));
4699
4700                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4701
4702                         if ($line["link"]) {
4703                                 print "<div clear='both'><a $link_target href=\"" . $line["link"] . "\">" .
4704                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4705                         } else {
4706                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4707                         }
4708
4709                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4710
4711                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4712
4713                         print "<div style='float : right'>
4714                                         <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4715
4716                         if (!$zoom_mode) {
4717                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4718                                         <a title=\"".__('Edit tags for this article')."\"
4719                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a>";
4720
4721                                 if (defined('_ENABLE_INLINE_VIEW')) {
4722
4723                                         print "<img src=\"images/art-inline.png\" class='tagsPic'
4724                                                         style=\"cursor : pointer\" style=\"cursor : pointer\"
4725                                                         onclick=\"showOriginalArticleInline($id)\"
4726                                                         alt='Inline' title='".__('Display original article content')."'>";
4727
4728                                 }
4729
4730                                 print "<img src=\"images/art-zoom.png\" class='tagsPic'
4731                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
4732                                                 onclick=\"zoomToArticle($id)\"
4733                                                 alt='Zoom' title='".__('Show article summary in new window')."'>";
4734
4735                                 $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4736
4737                                 print "<img src=\"images/art-pub-note.png\" class='tagsPic'
4738                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
4739                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
4740                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
4741
4742                         } else {
4743                                 $tags_str = strip_tags($tags_str);
4744                                 print "<span id=\"ATSTR-$id\">$tags_str</span>";
4745                         }
4746                         print "</div>";
4747                         print "<div clear='both'>$entry_comments</div>";
4748
4749                         print "</div>";
4750
4751                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4752
4753                         print "<div class=\"postContent\">";
4754
4755                         $article_content = sanitize_rss($link, $line["content"]);
4756
4757                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4758                                 $article_content = preg_replace("/href=/i", "target=\"_blank\" href=",
4759                                         $article_content);
4760                         }
4761
4762                         print "<div id=\"POSTNOTE-$id\">";
4763                                 if ($line['note']) {
4764                                         print format_article_note($id, $line['note']);
4765                                 }
4766                         print "</div>";
4767
4768                         print $article_content;
4769
4770                         $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4771                                 post_id = '$id' AND content_url != ''");
4772
4773                         if (db_num_rows($result) > 0) {
4774
4775                                 $entries_html = array();
4776                                 $entries = array();
4777
4778                                 while ($line = db_fetch_assoc($result)) {
4779
4780                                         $url = $line["content_url"];
4781                                         $ctype = $line["content_type"];
4782
4783                                         if (!$ctype) $ctype = __("unknown type");
4784
4785                                         $filename = substr($url, strrpos($url, "/")+1);
4786
4787                                         $entry = format_inline_player($link, $url, $ctype);
4788
4789                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4790                                                 $filename . " (" . $ctype . ")" . "</a>";
4791
4792                                         array_push($entries_html, $entry);
4793
4794                                         $entry = array();
4795
4796                                         $entry["type"] = $ctype;
4797                                         $entry["filename"] = $filename;
4798                                         $entry["url"] = $url;
4799
4800                                         array_push($entries, $entry);
4801                                 }
4802
4803                                 print "<div class=\"postEnclosures\">";
4804
4805                                 if ($always_display_enclosures || !preg_match("/<img/i", $article_content)) {
4806                                         foreach ($entries as $entry) {
4807                                                 if (preg_match("/image/", $entry["type"])) {
4808                                                         print "<p><img
4809                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
4810                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
4811                                                 }
4812                                         }
4813                                 }
4814
4815                                 print "<div class=\"postEnclosures\">";
4816
4817                                 if (db_num_rows($result) == 1) {
4818                                         print __("Attachment:") . " ";
4819                                 } else {
4820                                         print __("Attachments:") . " ";
4821                                 }
4822
4823                                 print join(", ", $entries_html);
4824
4825                                 print "</div>";
4826                         }
4827
4828                         print "</div>";
4829
4830                         print "</div>";
4831
4832                 }
4833
4834                 if (!$zoom_mode) {
4835                         print "]]></article>";
4836                 } else {
4837                         print "
4838                                 <div style=\"text-align : center\">
4839                                 <input type=\"submit\" onclick=\"return window.close()\"
4840                                 value=\"".__("Close this window")."\"></div>";
4841                         print "</body></html>";
4842
4843                 }
4844
4845         }
4846
4847         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4848                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4849                                         $override_order = false) {
4850
4851                 $disable_cache = false;
4852
4853                 $timing_info = getmicrotime();
4854
4855                 $topmost_article_ids = array();
4856
4857                 if (!$offset) {
4858                         $offset = 0;
4859                 }
4860
4861                 if ($subop == "undefined") $subop = "";
4862
4863                 $subop_split = split(":", $subop);
4864
4865                 if ($subop == "CatchupSelected") {
4866                         $ids = split(",", db_escape_string($_GET["ids"]));
4867                         $cmode = sprintf("%d", $_GET["cmode"]);
4868
4869                         catchupArticlesById($link, $ids, $cmode);
4870                 }
4871
4872                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4873                         update_generic_feed($link, $feed, $cat_view, true);
4874                 }
4875
4876                 if ($subop == "MarkAllRead")  {
4877                         catchup_feed($link, $feed, $cat_view);
4878
4879                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4880                                 if ($next_unread_feed) {
4881                                         $feed = $next_unread_feed;
4882                                 }
4883                         }
4884                 }
4885
4886                 if ($subop_split[0] == "MarkAllReadGR")  {
4887                         catchup_feed($link, $subop_split[1], false);
4888                 }
4889
4890
4891                 if ($feed_id > 0) {
4892                         $result = db_query($link,
4893                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4894
4895                         if (db_num_rows($result) == 0) {
4896                                 print "<div align='center'>".__('Feed not found.')."</div>";
4897                                 return;
4898                         }
4899                 }
4900
4901                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4902
4903                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4904                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4905
4906                         if (db_num_rows($result) == 1) {
4907                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4908                         } else {
4909                                 $rtl_content = false;
4910                         }
4911
4912                         if ($rtl_content) {
4913                                 $rtl_tag = "dir=\"RTL\"";
4914                         } else {
4915                                 $rtl_tag = "";
4916                         }
4917                 } else {
4918                         $rtl_tag = "";
4919                         $rtl_content = false;
4920                 }
4921
4922                 $script_dt_add = get_script_dt_add();
4923
4924                 /// START /////////////////////////////////////////////////////////////////////////////////
4925
4926                 $search = db_escape_string($_GET["query"]);
4927
4928                 if ($search) {
4929                         $disable_cache = true;
4930                 }
4931
4932                 $search_mode = db_escape_string($_GET["search_mode"]);
4933                 $match_on = db_escape_string($_GET["match_on"]);
4934
4935                 if (!$match_on) {
4936                         $match_on = "both";
4937                 }
4938
4939                 $real_offset = $offset * $limit;
4940
4941                 if ($_GET["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4942
4943                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4944                         $search, $search_mode, $match_on, $override_order, $real_offset);
4945
4946                 if ($_GET["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4947
4948                 $result = $qfh_ret[0];
4949                 $feed_title = $qfh_ret[1];
4950                 $feed_site_url = $qfh_ret[2];
4951                 $last_error = $qfh_ret[3];
4952
4953                 $vgroup_last_feed = $vgr_last_feed;
4954
4955                 if ($feed == -2) {
4956                         $feed_site_url = article_publish_url($link);
4957                 }
4958
4959                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4960
4961                 if (!$offset) {
4962                         print "<div id=\"headlinesContainer\" $rtl_tag>";
4963
4964                         if (!$result) {
4965                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4966                                 return;
4967                         }
4968
4969                         print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4970                                 $feed, $cat_view, $search, $match_on, $search_mode);
4971
4972                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4973                 }
4974
4975                 $headlines_count = db_num_rows($result);
4976
4977                 if (db_num_rows($result) > 0) {
4978
4979 #                       print "\{$offset}";
4980
4981                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4982                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
4983                                         cellspacing=\"0\">";
4984                         }
4985
4986                         $lnum = $limit*$offset;
4987
4988                         error_reporting (DEFAULT_ERROR_LEVEL);
4989
4990                         $num_unread = 0;
4991                         $cur_feed_title = '';
4992
4993                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
4994
4995                         while ($line = db_fetch_assoc($result)) {
4996
4997                                 $class = ($lnum % 2) ? "even" : "odd";
4998
4999                                 $id = $line["id"];
5000                                 $feed_id = $line["feed_id"];
5001
5002                                 $labels = get_article_labels($link, $id);
5003
5004                                 $labels_str = "<span id=\"HLLCTR-$id\">";
5005                                 $labels_str .= format_article_labels($labels, $id);
5006                                 $labels_str .= "</span>";
5007
5008                                 if (count($topmost_article_ids) < 5) {
5009                                         array_push($topmost_article_ids, $id);
5010                                 }
5011
5012                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
5013
5014                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\"
5015                                                 alt=\"Updated\">";
5016                                 } else {
5017                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
5018                                                 alt=\"Updated\">";
5019                                 }
5020
5021                                 if (sql_bool_to_bool($line["unread"]) &&
5022                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
5023
5024                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/fresh_sign.png\"
5025                                                         alt=\"Fresh\">";
5026                                 }
5027
5028                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
5029                                         $class .= "Unread";
5030                                         ++$num_unread;
5031                                         $is_unread = true;
5032                                 } else {
5033                                         $is_unread = false;
5034                                 }
5035
5036                                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
5037
5038                                 if ($is_ie) {
5039                                         $mark_img_ext = "gif";
5040                                 } else {
5041                                         $mark_img_ext = "png";
5042                                 }
5043
5044                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
5045                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.$mark_img_ext\"
5046                                                 class=\"markedPic\"
5047                                                 alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
5048                                 } else {
5049                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.$mark_img_ext\"
5050                                                 class=\"markedPic\"
5051                                                 alt=\"Star article\" onclick='javascript:tMark($id)'>";
5052                                 }
5053
5054                                 if ($line["published"] == "t" || $line["published"] == "1") {
5055                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\"
5056                                                 class=\"markedPic\"
5057                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
5058                                 } else {
5059                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\"
5060                                                 class=\"markedPic\"
5061                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
5062                                 }
5063
5064 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
5065 #                                       $line["title"] . "</a>";
5066
5067 #                               $content_link = "<a
5068 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
5069 #                                       onclick=\"view($id,$feed_id);\">" .
5070 #                                       $line["title"] . "</a>";
5071
5072 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
5073 #                                       $line["title"] . "</a>";
5074
5075                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
5076                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
5077                                 } else {
5078                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
5079                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
5080                                 }
5081
5082                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5083                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
5084                                                 100);
5085                                 }
5086
5087                                 $score = $line["score"];
5088
5089                                 $score_pic = get_score_pic($score);
5090
5091 /*                              $score_title = __("(Click to change)");
5092                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5093                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
5094
5095                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5096                                         title=\"$score\">";
5097
5098                                 if ($score > 500) {
5099                                         $hlc_suffix = "H";
5100                                 } else if ($score < -100) {
5101                                         $hlc_suffix = "L";
5102                                 } else {
5103                                         $hlc_suffix = "";
5104                                 }
5105
5106                                 $entry_author = $line["author"];
5107
5108                                 if ($entry_author) {
5109                                         $entry_author = " - $entry_author";
5110                                 }
5111
5112                                 $has_feed_icon = feed_has_icon($feed_id);
5113
5114                                 if ($has_feed_icon) {
5115                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5116                                 } else {
5117                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5118                                         $feed_icon_img = "";
5119                                 }
5120
5121                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5122
5123                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5124                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5125
5126                                                         $cur_feed_title = $line["feed_title"];
5127                                                         $vgroup_last_feed = $feed_id;
5128
5129                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5130
5131                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5132
5133                                                         print "<tr class='feedTitle'><td colspan='7'>".
5134                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5135                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5136                                                                 $line["feed_title"]."</a> $vf_catchup_link</td></tr>";
5137                                                 }
5138                                         }
5139
5140                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5141                                                 onmouseout='postMouseOut($id)'";
5142
5143                                         print "<tr class='$class' id='RROW-$id' $mouseover_attrs>";
5144
5145                                         print "<td class='hlUpdPic'>$update_pic</td>";
5146
5147                                         print "<td class='hlSelectRow'>
5148                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
5149                                                         id=\"RCHK-$id\">
5150                                                 </td>";
5151
5152                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
5153                                         print "<td class='hlMarkedPic'>$published_pic</td>";
5154
5155 #                                       if ($line["feed_title"]) {
5156 #                                               print "<td class='hlContent'>$content_link</td>";
5157 #                                               print "<td class='hlFeed'>
5158 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5159 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
5160 #                                       } else {
5161
5162                                         print "<td onclick='view($id,$feed_id)' class='hlContent$hlc_suffix' valign='middle' id='HLC-$id'>";
5163
5164                                         print "<a id=\"RTITLE-$id\"
5165                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5166                                                 onclick=\"return false\">" .
5167                                                 $line["title"];
5168
5169                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5170                                                 if ($content_preview) {
5171                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5172                                                 }
5173                                         }
5174
5175                                         print "</a>";
5176
5177                                         print $labels_str;
5178
5179 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5180 #                                                       $line["feed_title"]."</a>
5181
5182                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5183                                                 if ($line["feed_title"]) {
5184                                                         print "<span class=\"hlFeed\">
5185                                                                 (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5186                                                                 $line["feed_title"]."</a>)
5187                                                         </span>";
5188                                                 }
5189                                         }
5190
5191 //                                      print "<img id='HLL-$id' class='hlLoading'
5192 //                                              src='images/indicator_tiny.gif' style='display : none'>";
5193
5194                                         print "</td>";
5195
5196 #                                       }
5197
5198                                         print "<td class=\"hlUpdated\" onclick='view($id,$feed_id)'><nobr>$updated_fmt&nbsp;</nobr></td>";
5199
5200                                         print "<td class='hlMarkedPic'>$score_pic</td>";
5201
5202                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5203                                                 print "<td onclick=\"viewfeed($feed_id)\" class=\"hlFeedIcon\">$feed_icon_img</td>";
5204                                         }
5205
5206                                         print "</tr>";
5207
5208                                 } else {
5209
5210                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5211                                                 if ($feed_id != $vgroup_last_feed) {
5212
5213                                                         $cur_feed_title = $line["feed_title"];
5214                                                         $vgroup_last_feed = $feed_id;
5215
5216                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5217
5218                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5219
5220                                                         $has_feed_icon = feed_has_icon($feed_id);
5221
5222                                                         if ($has_feed_icon) {
5223                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5224                                                         } else {
5225                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5226                                                         }
5227
5228                                                         print "<div class='cdmFeedTitle'>".
5229                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5230                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5231                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5232                                                 }
5233                                         }
5234
5235                                         if ($is_unread) {
5236                                                 $add_class = "Unread";
5237                                         } else {
5238                                                 $add_class = "";
5239                                         }
5240
5241                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5242                                         $show_excerpt = false;
5243
5244                                         if ($expand_cdm && $score >= -100) {
5245                                                 $cdm_cstyle = "";
5246                                                 $show_excerpt = false;
5247                                         } else {
5248                                                 $cdm_cstyle = "style=\"display : none\"";
5249                                                 $show_excerpt = true;
5250                                         }
5251
5252                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5253                                                 onmouseout='postMouseOut($id)'";
5254
5255                                         print "<div class=\"cdmArticle$add_class\"
5256                                                 id=\"RROW-$id\"
5257                                                 $mouseover_attrs'>";
5258
5259                                         print "<div class=\"cdmHeader\">";
5260
5261                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") || !$line["feed_title"]) {
5262                                                 $cdm_feed_icon = "<span style=\"cursor : pointer\" onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5263                                         }
5264
5265                                         print "<div class=\"articleUpdated\">$updated_fmt $score_pic $cdm_feed_icon
5266                                                 </div>";
5267
5268                                         print "<span id=\"RTITLE-$id\" class=\"titleWrap$hlc_suffix\"><a class=\"title\"
5269                                                 onclick=\"javascript:toggleUnread($id, 0)\"
5270                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5271                                                 ";
5272
5273                                         print $entry_author;
5274
5275 /*                                      if (!$expand_cdm || $score < -100) {
5276                                                 print "&nbsp;<a id=\"CICH-$id\"
5277                                                         href=\"javascript:cdmExpandArticle($id)\">
5278                                                         (".__('Show article').")</a>";
5279                                         } */
5280
5281                                         print $labels_str;
5282
5283                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5284                                                 if ($line["feed_title"]) {
5285                                                         print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
5286                                                 }
5287                                         }
5288
5289                                         print "</span></div>";
5290
5291                                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
5292                                                 $line["content_preview"] = preg_replace("/href=/i",
5293                                                         "target=\"_blank\" href=", $line["content_preview"]);
5294                                         }
5295
5296                                         if ($show_excerpt) {
5297                                                 print "<div class=\"cdmExcerpt\" id=\"CEXC-$id\"
5298                                                         onclick=\"cdmExpandArticle($id)\"
5299                                                         title=\"".__('Click to expand article')."\">";
5300
5301                                                 $content_preview = trim(truncate_string(strip_tags($line["content_preview"]), 100));
5302
5303                                                 if (strlen($content_preview) != 0) {
5304                                                         print $content_preview;
5305                                                 } else {
5306                                                         print __('Click to expand article');
5307                                                 }
5308                                                 print "</div>";
5309                                         }
5310
5311                                         print "<div class=\"cdmContent\"
5312                                                 onclick=\"cdmClicked($id)\"
5313                                                 id=\"CICD-$id\" $cdm_cstyle>";
5314
5315 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
5316
5317                                         print "<div id=\"POSTNOTE-$id\">";
5318                                         if ($line['note']) {
5319                                                 print format_article_note($id, $line['note']);
5320                                         }
5321                                         print "</div>";
5322
5323                                         print sanitize_rss($link, $line["content_preview"]);
5324
5325                                         $article_content = $line["content_preview"];
5326
5327                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
5328                                                 post_id = '$id' AND content_url != ''");
5329
5330                                         if (db_num_rows($e_result) > 0) {
5331
5332                                 $entries_html = array();
5333                                 $entries = array();
5334
5335                                 while ($e_line = db_fetch_assoc($e_result)) {
5336
5337                                         $url = $e_line["content_url"];
5338                                         $ctype = $e_line["content_type"];
5339                                         if (!$ctype) $ctype = __("unknown type");
5340
5341                                         $filename = substr($url, strrpos($url, "/")+1);
5342
5343                                         $entry = format_inline_player($link, $url, $ctype);
5344
5345                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5346                                                 $filename . " (" . $ctype . ")" . "</a>";
5347
5348                                         array_push($entries_html, $entry);
5349
5350                                         $entry = array();
5351
5352                                         $entry["type"] = $ctype;
5353                                         $entry["filename"] = $filename;
5354                                         $entry["url"] = $url;
5355
5356                                         array_push($entries, $entry);
5357                                 }
5358
5359                                 $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5360                                         ttrss_feeds WHERE id = ".$line['feed_id']." AND owner_uid = ".$_SESSION["uid"]);
5361
5362                                 $always_display_enclosures = db_fetch_result($tmp_result, 0, "always_display_enclosures");
5363
5364                                 if ($always_display_enclosures || !preg_match("/img/i", $article_content)) {
5365                                         foreach ($entries as $entry) {
5366                                                 if (preg_match("/image/", $entry["type"])) {
5367                                                         print "<p><img
5368                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
5369                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
5370                                                 }
5371                                         }
5372                                 }
5373
5374                                 print "<div class=\"cdmEnclosures\">";
5375
5376                                 if (db_num_rows($e_result) == 1) {
5377                                         print __("Attachment:") . " ";
5378                                 } else {
5379                                         print __("Attachments:") . " ";
5380                                 }
5381
5382                                 print join(", ", $entries_html);
5383
5384                                 print "</div>";
5385                         }
5386
5387
5388                                         print "<br clear='both'>";
5389 //                                      print "</div>";
5390
5391 /*                                      if (!$expand_cdm) {
5392                                                 print "<a id=\"CICH-$id\"
5393                                                         href=\"javascript:cdmExpandArticle($id)\">
5394                                                         Show article</a>";
5395                                         } */
5396
5397                                         print "</div>";
5398
5399                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5400
5401                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5402
5403                                         print __("Select:").
5404                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5405                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5406
5407                                         print "</span><span class='s1'>$marked_pic&nbsp;";
5408                                         print "$published_pic&nbsp;";
5409                                         print "<img src=\"images/art-zoom.png\" class='tagsPic'
5410                                                 onclick=\"zoomToArticle($id)\"
5411                                                 style=\"cursor : pointer\"
5412                                                 alt='Zoom'
5413                                                 title='".__('Show article summary in new window')."'>&nbsp;";
5414
5415                                         $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5416
5417                                         print "<img src=\"images/art-pub-note.png\" class='tagsPic'
5418                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5419                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
5420                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
5421
5422                                         print "</span>";
5423
5424                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5425
5426 //                                      print "<img src='images/tag.png' class='markedPic'>";
5427
5428                                         print "<span class='s1'>
5429                                                 <img class='tagsPic' src='images/tag.png' alt='Tags' title='Tags'>
5430                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5431                                                 <a title=\"".__('Edit tags for this article')."\"
5432                                                 href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5433
5434                                         print "</span>";
5435
5436                                         print "<span class='s2'><a class=\"cdmToggleLink\"
5437                                                         href=\"javascript:toggleUnread($id)\">
5438                                                         ".__('toggle unread')."</a></span>";
5439
5440                                         print "</div>";
5441                                         print "</div>";
5442
5443                                 }
5444
5445                                 ++$lnum;
5446                         }
5447
5448                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5449                                 print "</table>";
5450                         }
5451
5452                 } else {
5453                         $message = "";
5454
5455                         switch ($view_mode) {
5456                                 case "unread":
5457                                         $message = __("No unread articles found to display.");
5458                                         break;
5459                                 case "updated":
5460                                         $message = __("No updated articles found to display.");
5461                                         break;
5462                                 case "marked":
5463                                         $message = __("No starred articles found to display.");
5464                                         break;
5465                                 default:
5466                                         if ($feed < -10) {
5467                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5468                                         } else {
5469                                                 $message = __("No articles found to display.");
5470                                         }
5471                         }
5472
5473                         if (!$offset) print "<div class='whiteBox'>$message</div>";
5474                 }
5475
5476                 if (!$offset) {
5477                         print "</div>";
5478                         print "</div>";
5479                 }
5480
5481                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5482         }
5483
5484 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5485
5486         function printTagCloud($link) {
5487
5488                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5489                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5490                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5491
5492                 $result = db_query($link, $query);
5493
5494                 $tags = array();
5495
5496                 while ($line = db_fetch_assoc($result)) {
5497                         $tags[$line["tag_name"]] = $line["count"];
5498                 }
5499
5500                 ksort($tags);
5501
5502                 $max_size = 32; // max font size in pixels
5503                 $min_size = 11; // min font size in pixels
5504
5505                 // largest and smallest array values
5506                 $max_qty = max(array_values($tags));
5507                 $min_qty = min(array_values($tags));
5508
5509                 // find the range of values
5510                 $spread = $max_qty - $min_qty;
5511                 if ($spread == 0) { // we don't want to divide by zero
5512                                 $spread = 1;
5513                 }
5514
5515                 // set the font-size increment
5516                 $step = ($max_size - $min_size) / ($spread);
5517
5518                 // loop through the tag array
5519                 foreach ($tags as $key => $value) {
5520                         // calculate font-size
5521                         // find the $value in excess of $min_qty
5522                         // multiply by the font-size increment ($size)
5523                         // and add the $min_size set above
5524                         $size = round($min_size + (($value - $min_qty) * $step));
5525
5526                         $key_escaped = str_replace("'", "\\'", $key);
5527
5528                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5529                                 $size . "px\" title=\"$value articles tagged with " .
5530                                 $key . '">' . $key . '</a> ';
5531                 }
5532         }
5533
5534         function print_checkpoint($n, $s) {
5535                 $ts = getmicrotime();
5536                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5537                 return $ts;
5538         }
5539
5540         function sanitize_tag($tag) {
5541                 $tag = trim($tag);
5542
5543                 $tag = mb_strtolower($tag, 'utf-8');
5544
5545                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5546
5547 //              $tag = str_replace('"', "", $tag);
5548 //              $tag = str_replace("+", " ", $tag);
5549                 $tag = str_replace("technorati tag: ", "", $tag);
5550
5551                 return $tag;
5552         }
5553
5554         function generate_publish_key() {
5555                 return sha1(uniqid(rand(), true));
5556         }
5557
5558         function article_publish_url($link) {
5559
5560                 $url_path = "";
5561
5562
5563                 if ($_SERVER['HTTPS'] != "on") {
5564                         $url_path = "http://";
5565                 } else {
5566                         $url_path = "https://";
5567                 }
5568
5569                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5570                 $url_path .= "/backend.php?op=publish&key=" . get_pref($link, "_PREFS_PUBLISH_KEY");
5571
5572                 return $url_path;
5573         }
5574
5575         /**
5576          * Purge a feed contents, marked articles excepted.
5577          *
5578          * @param mixed $link The database connection.
5579          * @param integer $id The id of the feed to purge.
5580          * @return void
5581          */
5582         function clear_feed_articles($link, $id) {
5583                 $result = db_query($link, "DELETE FROM ttrss_user_entries
5584                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5585
5586                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5587                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5588
5589                 ccache_update($link, $id, $_SESSION['uid']);
5590         } // function clear_feed_articles
5591
5592         /**
5593          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5594          *
5595          * @return string The Mozilla Firefox feed adding URL.
5596          */
5597         function add_feed_url() {
5598                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5599                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5600                 return $url_path;
5601         } // function add_feed_url
5602
5603         /**
5604          * Encrypt a password in SHA1.
5605          *
5606          * @param string $pass The password to encrypt.
5607          * @param string $login A optionnal login.
5608          * @return string The encrypted password.
5609          */
5610         function encrypt_password($pass, $login = '') {
5611                 if ($login) {
5612                         return "SHA1X:" . sha1("$login:$pass");
5613                 } else {
5614                         return "SHA1:" . sha1($pass);
5615                 }
5616         } // function encrypt_password
5617
5618         /**
5619          * Update a feed batch.
5620          * Used by daemons to update n feeds by run.
5621          * Only update feed needing a update, and not being processed
5622          * by another process.
5623          *
5624          * @param mixed $link Database link
5625          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5626          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5627          * @param boolean $debug Set to false to disable debug output. Default to true.
5628          * @return void
5629          */
5630         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5631                 // Process all other feeds using last_updated and interval parameters
5632
5633                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5634                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5635                         if (DB_TYPE == "pgsql") {
5636                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5637                         } else {
5638                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5639                         }
5640                 } else {
5641                         $login_thresh_qpart = "";
5642                 }
5643
5644                 // Test if the feed need a update (update interval exceded).
5645                 if (DB_TYPE == "pgsql") {
5646                         $update_limit_qpart = "AND ((
5647                                         ttrss_feeds.update_interval = 0
5648                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5649                                 ) OR (
5650                                         ttrss_feeds.update_interval > 0
5651                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5652                                 ) OR ttrss_feeds.last_updated IS NULL)";
5653                 } else {
5654                         $update_limit_qpart = "AND ((
5655                                         ttrss_feeds.update_interval = 0
5656                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5657                                 ) OR (
5658                                         ttrss_feeds.update_interval > 0
5659                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5660                                 ) OR ttrss_feeds.last_updated IS NULL)";
5661                 }
5662
5663                 // Test if feed is currently being updated by another process.
5664                 if (DB_TYPE == "pgsql") {
5665                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5666                 } else {
5667                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5668                 }
5669
5670                 // Test if there is a limit to number of updated feeds
5671                 $query_limit = "";
5672                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5673
5674                 $random_qpart = sql_random_function();
5675
5676                 // We search for feed needing update.
5677                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5678                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5679                                 ttrss_feeds.update_interval
5680                         FROM
5681                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5682                         WHERE
5683                                 ttrss_feeds.owner_uid = ttrss_users.id
5684                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5685                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5686                                 $login_thresh_qpart $update_limit_qpart
5687                          $updstart_thresh_qpart
5688                         ORDER BY $random_qpart $query_limit");
5689
5690                 $user_prefs_cache = array();
5691
5692                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5693
5694                 // Here is a little cache magic in order to minimize risk of double feed updates.
5695                 $feeds_to_update = array();
5696                 while ($line = db_fetch_assoc($result)) {
5697                         $feeds_to_update[$line['id']] = $line;
5698                 }
5699
5700                 // We update the feed last update started date before anything else.
5701                 // There is no lag due to feed contents downloads
5702                 // It prevent an other process to update the same feed.
5703                 $feed_ids = array_keys($feeds_to_update);
5704                 if($feed_ids) {
5705                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5706                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5707                 }
5708
5709                 // For each feed, we call the feed update function.
5710                 while ($line = array_pop($feeds_to_update)) {
5711
5712                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5713
5714                         // We setup a alarm to alert if the feed take more than 300s to update.
5715                         // => HANG alarm.
5716                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(300);
5717                         update_rss_feed($link, $line["feed_url"], $line["id"], true);
5718                         // Cancel the alarm (the update went well)
5719                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(0);
5720
5721                         sleep(1); // prevent flood (FIXME make this an option?)
5722                 }
5723
5724                 // Send feed digests by email if needed.
5725                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5726
5727                 purge_orphans($link);
5728
5729         } // function update_daemon_common
5730
5731         function sanitize_article_content($text) {
5732                 # we don't support CDATA sections in articles, they break our own escaping
5733                 $text = preg_replace("/\[\[CDATA/", "", $text);
5734                 $text = preg_replace("/\]\]\>/", "", $text);
5735                 return $text;
5736         }
5737
5738         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5739                 $filters = array();
5740
5741                 if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5742
5743                 $result = db_query($link, "SELECT reg_exp,
5744                         ttrss_filter_types.name AS name,
5745                         ttrss_filter_actions.name AS action,
5746                         inverse,
5747                         action_param,
5748                         filter_param
5749                         FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5750                                 enabled = true AND
5751                                 $ftype_query_part
5752                                 owner_uid = $owner_uid AND
5753                                 ttrss_filter_types.id = filter_type AND
5754                                 ttrss_filter_actions.id = action_id AND
5755                                 (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5756
5757                 while ($line = db_fetch_assoc($result)) {
5758                         if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5759                                 $filter["reg_exp"] = $line["reg_exp"];
5760                                 $filter["action"] = $line["action"];
5761                                 $filter["action_param"] = $line["action_param"];
5762                                 $filter["filter_param"] = $line["filter_param"];
5763                                 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5764
5765                                 array_push($filters[$line["name"]], $filter);
5766                         }
5767
5768                 return $filters;
5769         }
5770
5771         function get_score_pic($score) {
5772                 if ($score > 100) {
5773                         return "score_high.png";
5774                 } else if ($score > 0) {
5775                         return "score_half_high.png";
5776                 } else if ($score < -100) {
5777                         return "score_low.png";
5778                 } else if ($score < 0) {
5779                         return "score_half_low.png";
5780                 } else {
5781                         return "score_neutral.png";
5782                 }
5783         }
5784
5785         function rounded_table_start($classname, $header = "&nbsp;") {
5786                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5787                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5788                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5789         }
5790
5791         function rounded_table_end($footer = "&nbsp;") {
5792                 print "</td><td class='right'>&nbsp;</td></tr>";
5793                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5794                 print "</table>";
5795         }
5796
5797         function feed_has_icon($id) {
5798                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5799         }
5800
5801         function init_connection($link) {
5802                 if (DB_TYPE == "pgsql") {
5803                         pg_query($link, "set client_encoding = 'UTF-8'");
5804                         pg_set_client_encoding("UNICODE");
5805                         pg_query($link, "set datestyle = 'ISO, european'");
5806                 } else {
5807                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5808                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5809         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5810                         }
5811                 }
5812         }
5813
5814         function update_feedbrowser_cache($link) {
5815
5816                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
5817                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5818                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5819                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
5820                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
5821
5822                 db_query($link, "BEGIN");
5823
5824                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5825
5826                 $count = 0;
5827
5828                 while ($line = db_fetch_assoc($result)) {
5829                         $subscribers = db_escape_string($line["subscribers"]);
5830                         $feed_url = db_escape_string($line["feed_url"]);
5831                         $title = db_escape_string($line["title"]);
5832
5833                         $tmp_result = db_query($link, "SELECT subscribers FROM
5834                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
5835
5836                         if (db_num_rows($tmp_result) == 0) {
5837
5838                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5839                                         (feed_url, title, subscribers) VALUES ('$feed_url',
5840                                                 '$title', '$subscribers')");
5841
5842                                 ++$count;
5843
5844                         }
5845
5846                 }
5847
5848                 db_query($link, "COMMIT");
5849
5850                 return $count;
5851
5852         }
5853
5854         function ccache_zero($link, $feed_id, $owner_uid) {
5855                 db_query($link, "UPDATE ttrss_counters_cache SET
5856                         value = 0, updated = NOW() WHERE
5857                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5858         }
5859
5860         function ccache_zero_all($link, $owner_uid) {
5861                 db_query($link, "UPDATE ttrss_counters_cache SET
5862                         value = 0 WHERE owner_uid = '$owner_uid'");
5863
5864                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
5865                         value = 0 WHERE owner_uid = '$owner_uid'");
5866         }
5867
5868         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
5869
5870                 if (!$is_cat) {
5871                         $table = "ttrss_counters_cache";
5872                 } else {
5873                         $table = "ttrss_cat_counters_cache";
5874                 }
5875
5876                 db_query($link, "DELETE FROM $table WHERE
5877                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5878
5879         }
5880
5881         function ccache_update_all($link, $owner_uid) {
5882
5883                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
5884
5885                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
5886                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5887
5888                         while ($line = db_fetch_assoc($result)) {
5889                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
5890                         }
5891
5892                         /* We have to manually include category 0 */
5893
5894                         ccache_update($link, 0, $owner_uid, true);
5895
5896                 } else {
5897                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
5898                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5899
5900                         while ($line = db_fetch_assoc($result)) {
5901                                 print ccache_update($link, $line["feed_id"], $owner_uid);
5902
5903                         }
5904
5905                 }
5906         }
5907
5908         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
5909                 $no_update = false) {
5910
5911                 if (!is_numeric($feed_id)) return;
5912
5913                 if (!$is_cat) {
5914                         $table = "ttrss_counters_cache";
5915                         if ($feed_id > 0) {
5916                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5917                                         WHERE id = '$feed_id'");
5918                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5919                         }
5920                 } else {
5921                         $table = "ttrss_cat_counters_cache";
5922                 }
5923
5924                 if (DB_TYPE == "pgsql") {
5925                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
5926                 } else if (DB_TYPE == "mysql") {
5927                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
5928                 }
5929
5930                 $result = db_query($link, "SELECT value FROM $table
5931                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
5932                         LIMIT 1");
5933
5934                 if (db_num_rows($result) == 1) {
5935                         return db_fetch_result($result, 0, "value");
5936                 } else {
5937                         if ($no_update) {
5938                                 return -1;
5939                         } else {
5940                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
5941                         }
5942                 }
5943
5944         }
5945
5946         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
5947                 $update_pcat = true) {
5948
5949                 if (!is_numeric($feed_id)) return;
5950
5951                 if (!$is_cat && $feed_id > 0) {
5952                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5953                                 WHERE id = '$feed_id'");
5954                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5955                 }
5956
5957                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
5958
5959                 /* When updating a label, all we need to do is recalculate feed counters
5960                  * because labels are not cached */
5961
5962                 if ($feed_id < 0) {
5963                         ccache_update_all($link, $owner_uid);
5964                         return;
5965                 }
5966
5967                 if (!$is_cat) {
5968                         $table = "ttrss_counters_cache";
5969                 } else {
5970                         $table = "ttrss_cat_counters_cache";
5971                 }
5972
5973                 if ($is_cat && $feed_id >= 0) {
5974                         if ($feed_id != 0) {
5975                                 $cat_qpart = "cat_id = '$feed_id'";
5976                         } else {
5977                                 $cat_qpart = "cat_id IS NULL";
5978                         }
5979
5980                         /* Recalculate counters for child feeds */
5981
5982                         $result = db_query($link, "SELECT id FROM ttrss_feeds
5983                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
5984
5985                         while ($line = db_fetch_assoc($result)) {
5986                                 ccache_update($link, $line["id"], $owner_uid, false, false);
5987                         }
5988
5989                         $result = db_query($link, "SELECT SUM(value) AS sv
5990                                 FROM ttrss_counters_cache, ttrss_feeds
5991                                 WHERE id = feed_id AND $cat_qpart AND
5992                                 ttrss_feeds.owner_uid = '$owner_uid'");
5993
5994                         $unread = (int) db_fetch_result($result, 0, "sv");
5995
5996                 } else {
5997                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
5998                 }
5999
6000                 db_query($link, "BEGIN");
6001
6002                 $result = db_query($link, "SELECT feed_id FROM $table
6003                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
6004
6005                 if (db_num_rows($result) == 1) {
6006                         db_query($link, "UPDATE $table SET
6007                                 value = '$unread', updated = NOW() WHERE
6008                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6009
6010                 } else {
6011                         db_query($link, "INSERT INTO $table
6012                                 (feed_id, value, owner_uid, updated)
6013                                 VALUES
6014                                 ($feed_id, $unread, $owner_uid, NOW())");
6015                 }
6016
6017                 db_query($link, "COMMIT");
6018
6019                 if ($feed_id > 0 && $prev_unread != $unread) {
6020
6021                         if (!$is_cat) {
6022
6023                                 /* Update parent category */
6024
6025                                 if ($update_pcat) {
6026
6027                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
6028                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
6029
6030                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
6031
6032                                         ccache_update($link, $cat_id, $owner_uid, true);
6033
6034                                 }
6035                         }
6036                 } else if ($feed_id < 0) {
6037                         ccache_update_all($link, $owner_uid);
6038                 }
6039
6040                 return $unread;
6041         }
6042
6043         function label_find_id($link, $label, $owner_uid) {
6044                 $result = db_query($link,
6045                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
6046                                 AND owner_uid = '$owner_uid' LIMIT 1");
6047
6048                 if (db_num_rows($result) == 1) {
6049                         return db_fetch_result($result, 0, "id");
6050                 } else {
6051                         return 0;
6052                 }
6053         }
6054
6055         function get_article_labels($link, $id) {
6056                 $result = db_query($link,
6057                         "SELECT DISTINCT label_id,caption,fg_color,bg_color
6058                                 FROM ttrss_labels2, ttrss_user_labels2
6059                         WHERE id = label_id
6060                                 AND article_id = '$id'
6061                                 AND owner_uid = ".$_SESSION["uid"] . "
6062                         ORDER BY caption");
6063
6064                 $rv = array();
6065
6066                 while ($line = db_fetch_assoc($result)) {
6067                         $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
6068                                 $line["bg_color"]);
6069                         array_push($rv, $rk);
6070                 }
6071
6072                 return $rv;
6073         }
6074
6075
6076         function label_find_caption($link, $label, $owner_uid) {
6077                 $result = db_query($link,
6078                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
6079                                 AND owner_uid = '$owner_uid' LIMIT 1");
6080
6081                 if (db_num_rows($result) == 1) {
6082                         return db_fetch_result($result, 0, "caption");
6083                 } else {
6084                         return "";
6085                 }
6086         }
6087
6088         function label_remove_article($link, $id, $label, $owner_uid) {
6089
6090                 $label_id = label_find_id($link, $label, $owner_uid);
6091
6092                 if (!$label_id) return;
6093
6094                 $result = db_query($link,
6095                         "DELETE FROM ttrss_user_labels2
6096                         WHERE
6097                                 label_id = '$label_id' AND
6098                                 article_id = '$id'");
6099         }
6100
6101         function label_add_article($link, $id, $label, $owner_uid) {
6102
6103                 $label_id = label_find_id($link, $label, $owner_uid);
6104
6105                 if (!$label_id) return;
6106
6107                 $result = db_query($link,
6108                         "SELECT
6109                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6110                         WHERE
6111                                 label_id = id AND
6112                                 label_id = '$label_id' AND
6113                                 article_id = '$id' AND owner_uid = '$owner_uid'
6114                         LIMIT 1");
6115
6116                 if (db_num_rows($result) == 0) {
6117                         db_query($link, "INSERT INTO ttrss_user_labels2
6118                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6119                 }
6120         }
6121
6122         function label_remove($link, $id, $owner_uid) {
6123
6124                 db_query($link, "BEGIN");
6125
6126                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6127                         WHERE id = '$id'");
6128
6129                 $caption = db_fetch_result($result, 0, "caption");
6130
6131                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6132                         AND owner_uid = " . $_SESSION["uid"]);
6133
6134                 if (db_affected_rows($link, $result) != 0 && $caption) {
6135
6136                         /* Disable filters that reference label being removed */
6137
6138                         db_query($link, "UPDATE ttrss_filters SET
6139                                 enabled = false WHERE action_param = '$caption'
6140                                         AND action_id = 7
6141                                         AND owner_uid = " . $_SESSION["uid"]);
6142                         }
6143
6144                 db_query($link, "COMMIT");
6145         }
6146
6147         function label_create($link, $caption) {
6148
6149                 db_query($link, "BEGIN");
6150
6151                 $result = false;
6152
6153                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6154                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6155
6156                 if (db_num_rows($result) == 0) {
6157                         $result = db_query($link,
6158                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
6159                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6160
6161                         $result = db_affected_rows($link, $result) != 0;
6162                 }
6163
6164                 db_query($link, "COMMIT");
6165
6166                 return $result;
6167         }
6168
6169         function print_labels_headlines_dropdown($link, $feed_id) {
6170                 print "<li onclick=\"javascript:addLabel()\">
6171                         &nbsp;&nbsp;".__("Create label...")."</li>";
6172
6173                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6174                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6175
6176                 while ($line = db_fetch_assoc($result)) {
6177
6178                         $label_id = $line["id"];
6179                         $label_caption = $line["caption"];
6180
6181                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6182                                 print "<li id=\"LHDL-$id\"
6183                                         onclick=\"javascript:selectionRemoveLabel($label_id)\">
6184                                         &nbsp;&nbsp;$label_caption ".__('(remove)')."</li>";
6185                         } else {
6186                                 print "<li id=\"LHDL-$id\"
6187                                         onclick=\"javascript:selectionAssignLabel($label_id)\">
6188                                         &nbsp;&nbsp;$label_caption</li>";
6189                         }
6190                 }
6191         }
6192
6193         function format_tags_string($tags, $id) {
6194
6195                 $tags_str = "";
6196                 $tags_nolinks_str = "";
6197
6198                 $num_tags = 0;
6199
6200                 if ($_SESSION["theme"] == "3pane") {
6201                         $tag_limit = 3;
6202                 } else {
6203                         $tag_limit = 6;
6204                 }
6205
6206                 $formatted_tags = array();
6207
6208                 foreach ($tags as $tag) {
6209                         $num_tags++;
6210                         $tag_escaped = str_replace("'", "\\'", $tag);
6211
6212                         if (mb_strlen($tag) > 30) {
6213                                 $tag = truncate_string($tag, 30);
6214                         }
6215
6216                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6217
6218                         array_push($formatted_tags, $tag_str);
6219
6220                         $tmp_tags_str = implode(", ", $formatted_tags);
6221
6222                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6223                                 break;
6224                         }
6225                 }
6226
6227                 $tags_str = implode(", ", $formatted_tags);
6228
6229                 if ($num_tags < count($tags)) {
6230                         $tags_str .= ", &hellip;";
6231                 }
6232
6233                 if ($num_tags == 0) {
6234                         $tags_str = __("no tags");
6235                 }
6236
6237                 return $tags_str;
6238
6239         }
6240
6241         function format_article_labels($labels, $id) {
6242
6243                 $labels_str = "";
6244
6245                 foreach ($labels as $l) {
6246                         $labels_str .= sprintf("<span class='hlLabelRef'
6247                                 style='color : %s; background-color : %s'>%s</span>",
6248                                         $l[2], $l[3], $l[1]);
6249                         }
6250
6251                 return $labels_str;
6252
6253         }
6254
6255         function format_article_note($id, $note) {
6256
6257                 $note_escaped = htmlspecialchars($note, ENT_QUOTES);
6258
6259                 $str = "<div class='articleNote'>";
6260                 $str .= $note;
6261                 $str .= "<div class='articleNoteOps'>";
6262                 $str .= "<a href=\"javascript:publishWithNote($id, '$note_escaped')\">".
6263                         __('edit note')."</a>";
6264                 $str .= "</div>";
6265                 $str .= "</div>";
6266
6267                 return $str;
6268         }
6269 ?>