functions.php

   1 <?php
   2
   3 /*      if ($_REQUEST["debug"]) {
   4                 define('DEFAULT_ERROR_LEVEL', E_ALL);
   5         } else {
   6                 define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
   7         } */
   8
   9         require_once 'config.php';
  10
  11         if (DB_TYPE == "pgsql") {
  12                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  13         } else {
  14                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  15         }
  16
  17         /**
  18          * Return available translations names.
  19          *
  20          * @access public
  21          * @return array A array of available translations.
  22          */
  23         function get_translations() {
  24                 $tr = array(
  25                                         "auto"  => "Detect automatically",
  26                                         "ca_CA" => "Català",
  27                                         "en_US" => "English",
  28                                         "es_ES" => "Español",
  29                                         "de_DE" => "Deutsch",
  30                                         "fr_FR" => "Français",
  31                                         "hu_HU" => "Magyar (Hungarian)",
  32                                         "it_IT" => "Italiano",
  33                                         "ja_JP" => "日本語 (Japanese)",
  34                                         "nb_NO" => "Norwegian bokmål",
  35                                         "ru_RU" => "Русский",
  36                                         "pt_BR" => "Portuguese/Brazil",
  37                                         "zh_CN" => "Simplified Chinese");
  38
  39                 return $tr;
  40         }
  41
  42         if (ENABLE_TRANSLATIONS == true) { // If translations are enabled.
  43                 require_once "lib/accept-to-gettext.php";
  44                 require_once "lib/gettext/gettext.inc";
  45
  46                 function startup_gettext() {
  47
  48                         # Get locale from Accept-Language header
  49                         $lang = al2gt(array_keys(get_translations()), "text/html");
  50
  51                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  52                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  53                         }
  54
  55                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  56                                 $lang = $_COOKIE["ttrss_lang"];
  57                         }
  58
  59                         /* In login action of mobile version */
  60                         if ($_POST["language"] && defined('MOBILE_VERSION')) {
  61                                 $lang = $_POST["language"];
  62                                 $_COOKIE["ttrss_lang"] = $lang;
  63                         }
  64
  65                         if ($lang) {
  66                                 if (defined('LC_MESSAGES')) {
  67                                         _setlocale(LC_MESSAGES, $lang);
  68                                 } else if (defined('LC_ALL')) {
  69                                         _setlocale(LC_ALL, $lang);
  70                                 } else {
  71                                         die("can't setlocale(): please set ENABLE_TRANSLATIONS to false in config.php");
  72                                 }
  73
  74                                 if (defined('MOBILE_VERSION')) {
  75                                         _bindtextdomain("messages", "../locale");
  76                                 } else {
  77                                         _bindtextdomain("messages", "locale");
  78                                 }
  79
  80                                 _textdomain("messages");
  81                                 _bind_textdomain_codeset("messages", "UTF-8");
  82                         }
  83                 }
  84
  85                 startup_gettext();
  86
  87         } else { // If translations are enabled.
  88                 function __($msg) {
  89                         return $msg;
  90                 }
  91                 function startup_gettext() {
  92                         // no-op
  93                         return true;
  94                 }
  95         } // If translations are enabled.
  96
  97         require_once 'db-prefs.php';
  98         require_once 'compat.php';
  99         require_once 'errors.php';
 100         require_once 'version.php';
 101
 102         require_once 'lib/phpmailer/class.phpmailer.php';
 103
 104         define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
 105         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
 106         define('MAGPIE_CACHE_AGE', 60*15); // 15 minutes
 107
 108         require_once "lib/simplepie/simplepie.inc";
 109         require_once "lib/magpierss/rss_fetch.inc";
 110         require_once 'lib/magpierss/rss_utils.inc';
 111         require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
 112
 113         /**
 114          * Print a timestamped debug message.
 115          *
 116          * @param string $msg The debug message.
 117          * @return void
 118          */
 119         function _debug($msg) {
 120                 $ts = strftime("%H:%M:%S", time());
 121                 if (function_exists('posix_getpid')) {
 122                         $ts = "$ts/" . posix_getpid();
 123                 }
 124                 print "[$ts] $msg\n";
 125         } // function _debug
 126
 127         /**
 128          * Purge a feed old posts.
 129          *
 130          * @param mixed $link A database connection.
 131          * @param mixed $feed_id The id of the purged feed.
 132          * @param mixed $purge_interval Olderness of purged posts.
 133          * @param boolean $debug Set to True to enable the debug. False by default.
 134          * @access public
 135          * @return void
 136          */
 137         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 138
 139                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 140
 141                 $rows = -1;
 142
 143                 $result = db_query($link,
 144                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 145
 146                 $owner_uid = false;
 147
 148                 if (db_num_rows($result) == 1) {
 149                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 150                 }
 151
 152                 if ($purge_interval == -1 || !$purge_interval) {
 153                         if ($owner_uid) {
 154                                 ccache_update($link, $feed_id, $owner_uid);
 155                         }
 156                         return;
 157                 }
 158
 159                 if (!$owner_uid) return;
 160
 161                 if (FORCE_ARTICLE_PURGE == 0) {
 162                         $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 163                                 $owner_uid, false);
 164                 } else {
 165                         $purge_unread = true;
 166                         $purge_interval = FORCE_ARTICLE_PURGE;
 167                 }
 168
 169                 if (!$purge_unread) $query_limit = " unread = false AND ";
 170
 171                 if (DB_TYPE == "pgsql") {
 172 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 173                                 marked = false AND feed_id = '$feed_id' AND
 174                                 (SELECT date_entered FROM ttrss_entries WHERE
 175                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
 176
 177                         $pg_version = get_pgsql_version($link);
 178
 179                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 180
 181                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 182                                         ttrss_entries.id = ref_id AND
 183                                         marked = false AND
 184                                         feed_id = '$feed_id' AND
 185                                         $query_limit
 186                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 187
 188                         } else {
 189
 190                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 191                                         USING ttrss_entries
 192                                         WHERE ttrss_entries.id = ref_id AND
 193                                         marked = false AND
 194                                         feed_id = '$feed_id' AND
 195                                         $query_limit
 196                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 197                         }
 198
 199                         $rows = pg_affected_rows($result);
 200
 201                 } else {
 202
 203 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 204                                 marked = false AND feed_id = '$feed_id' AND
 205                                 (SELECT date_entered FROM ttrss_entries WHERE
 206                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 207
 208                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 209                                 USING ttrss_user_entries, ttrss_entries
 210                                 WHERE ttrss_entries.id = ref_id AND
 211                                 marked = false AND
 212                                 feed_id = '$feed_id' AND
 213                                 $query_limit
 214                                 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 215
 216                         $rows = mysql_affected_rows($link);
 217
 218                 }
 219
 220                 ccache_update($link, $feed_id, $owner_uid);
 221
 222                 if ($debug) {
 223                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 224                 }
 225         } // function purge_feed
 226
 227         /**
 228          * Purge old posts from old feeds.
 229          *
 230          * @param mixed $link A database connection
 231          * @param boolean $do_output Set to true to enable printed output, false by default.
 232          * @param integer $limit The maximal number of removed posts.
 233          * @access public
 234          * @return void
 235          */
 236         function global_purge_old_posts($link, $do_output = false, $limit = false) {
 237
 238                 $random_qpart = sql_random_function();
 239
 240                 if ($limit) {
 241                         $limit_qpart = "LIMIT $limit";
 242                 } else {
 243                         $limit_qpart = "";
 244                 }
 245
 246                 $result = db_query($link,
 247                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 248                                 ORDER BY $random_qpart $limit_qpart");
 249
 250                 while ($line = db_fetch_assoc($result)) {
 251
 252                         $feed_id = $line["id"];
 253                         $purge_interval = $line["purge_interval"];
 254                         $owner_uid = $line["owner_uid"];
 255
 256                         if ($purge_interval == 0) {
 257
 258                                 $tmp_result = db_query($link,
 259                                         "SELECT value FROM ttrss_user_prefs WHERE
 260                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 261
 262                                 if (db_num_rows($tmp_result) != 0) {
 263                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 264                                 }
 265                         }
 266
 267                         if ($do_output) {
 268 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 269                         }
 270
 271                         if ($purge_interval > 0 || FORCE_ARTICLE_PURGE) {
 272                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 273                         }
 274                 }
 275
 276                 // purge orphaned posts in main content table
 277                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 278                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 279
 280                 if ($do_output) {
 281                         $rows = db_affected_rows($link, $result);
 282                         _debug("Purged $rows orphaned posts.");
 283                 }
 284
 285         } // function global_purge_old_posts
 286
 287         function feed_purge_interval($link, $feed_id) {
 288
 289                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 290                         WHERE id = '$feed_id'");
 291
 292                 if (db_num_rows($result) == 1) {
 293                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 294                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 295
 296                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 297                                 'PURGE_OLD_DAYS', $owner_uid);
 298
 299                         return $purge_interval;
 300
 301                 } else {
 302                         return -1;
 303                 }
 304         }
 305
 306         function purge_old_posts($link) {
 307
 308                 $user_id = $_SESSION["uid"];
 309
 310                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 311                         WHERE owner_uid = '$user_id'");
 312
 313                 while ($line = db_fetch_assoc($result)) {
 314
 315                         $feed_id = $line["id"];
 316                         $purge_interval = $line["purge_interval"];
 317
 318                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 319
 320                         if ($purge_interval > 0) {
 321                                 purge_feed($link, $feed_id, $purge_interval);
 322                         }
 323                 }
 324
 325                 purge_orphans($link);
 326         }
 327
 328         function purge_orphans($link) {
 329                 // purge orphaned posts in main content table
 330                 db_query($link, "DELETE FROM ttrss_entries WHERE
 331                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 332         }
 333
 334         function get_feed_update_interval($link, $feed_id) {
 335                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 336                         ttrss_feeds WHERE id = '$feed_id'");
 337
 338                 if (db_num_rows($result) == 1) {
 339                         $update_interval = db_fetch_result($result, 0, "update_interval");
 340                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 341
 342                         if ($update_interval != 0) {
 343                                 return $update_interval;
 344                         } else {
 345                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 346                         }
 347
 348                 } else {
 349                         return -1;
 350                 }
 351         }
 352
 353         function fetch_file_contents($url) {
 354                 if (USE_CURL_FOR_ICONS) {
 355                         $tmpfile = tempnam(TMP_DIRECTORY, "ttrss-tmp");
 356
 357                         $ch = curl_init($url);
 358                         $fp = fopen($tmpfile, "w");
 359
 360                         if ($fp) {
 361                                 curl_setopt($ch, CURLOPT_FILE, $fp);
 362                                 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 363                                 curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 364                                 curl_exec($ch);
 365
 366                                 if (strpos(curl_getinfo($ch, CURLINFO_CONTENT_TYPE), "image/") !== false) {
 367                                         curl_close($ch);
 368                                         fclose($fp);
 369                                         $contents = file_get_contents($tmpfile);
 370                                 } else {
 371                                         curl_close($ch);
 372                                         fclose($fp);
 373                                 }
 374                         }
 375
 376                         unlink($tmpfile);
 377
 378                         return $contents;
 379
 380                 } else {
 381                         return file_get_contents($url);
 382                 }
 383
 384         }
 385
 386         /**
 387          * Try to determine the favicon URL for a feed.
 388          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 389          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 390          *
 391          * @param string $url A feed or page URL
 392          * @access public
 393          * @return mixed The favicon URL, or false if none was found.
 394          */
 395         function get_favicon_url($url) {
 396
 397                 if ($html = @fetch_file_contents($url)) {
 398
 399                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
 400                                 // Attempt to grab a favicon link from their webpage url
 401                                 $linkUrl = html_entity_decode($matches[1]);
 402
 403                                 if (substr($linkUrl, 0, 1) == '/') {
 404                                         $urlParts = parse_url($url);
 405                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
 406                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
 407                                         $faviconURL = $linkUrl;
 408                                 } else {
 409                                         $pos = strrpos($url, "/");
 410                                         // no "/" in url or "/" is part of "://"
 411                                         if ($pos === false || $pos == (strpos($url, "://")+2)) {
 412                                                 $faviconURL = $url.'/'.$linkUrl;
 413                                         } else {
 414                                                 $faviconURL = substr($url, 0, $pos+1).$linkUrl;
 415                                         }
 416                                 }
 417
 418                         } else {
 419                                 // If unsuccessful, attempt to "guess" the favicon location
 420                                 $urlParts = parse_url($url);
 421                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
 422                         }
 423                 }
 424
 425                 // Run a test to see if what we have attempted to get actually exists.
 426                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
 427                         return $faviconURL;
 428                 } else {
 429                         return false;
 430                 }
 431         } // function get_favicon_url
 432
 433         /**
 434          * Check if a link is a valid and working URL.
 435          *
 436          * @param mixed $link A URL to check
 437          * @access public
 438          * @return boolean True if the URL is valid, false otherwise.
 439          */
 440         function url_validate($link) {
 441
 442                 $url_parts = @parse_url($link);
 443
 444                 if ( empty( $url_parts["host"] ) )
 445                                 return false;
 446
 447                 if ( !empty( $url_parts["path"] ) ) {
 448                                 $documentpath = $url_parts["path"];
 449                 } else {
 450                                 $documentpath = "/";
 451                 }
 452
 453                 if ( !empty( $url_parts["query"] ) )
 454                                 $documentpath .= "?" . $url_parts["query"];
 455
 456                 $host = $url_parts["host"];
 457                 $port = $url_parts["port"];
 458
 459                 if ( empty($port) )
 460                                 $port = "80";
 461
 462                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 463
 464                 if ( !$socket )
 465                                 return false;
 466
 467                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 468
 469                 $http_response = fgets( $socket, 22 );
 470
 471                 $responses = "/(200 OK)|(30[123])/";
 472                 if ( preg_match($responses, $http_response) ) {
 473                                 fclose($socket);
 474                                 return true;
 475                 } else {
 476                                 return false;
 477                 }
 478
 479         } // function url_validate
 480
 481         function check_feed_favicon($site_url, $feed, $link) {
 482                 $favicon_url = get_favicon_url($site_url);
 483
 484 #               print "FAVICON [$site_url]: $favicon_url\n";
 485
 486                 error_reporting(0);
 487
 488                 $icon_file = ICONS_DIR . "/$feed.ico";
 489
 490                 if ($favicon_url && !file_exists($icon_file)) {
 491                         $contents = fetch_file_contents($favicon_url);
 492
 493                         $fp = fopen($icon_file, "w");
 494
 495                         if ($fp) {
 496                                 fwrite($fp, $contents);
 497                                 fclose($fp);
 498                                 chmod($icon_file, 0644);
 499                         }
 500                 }
 501
 502                 error_reporting(DEFAULT_ERROR_LEVEL);
 503
 504         }
 505
 506         function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
 507
 508                 if (!$_REQUEST["daemon"] && !$ignore_daemon) {
 509                         return false;
 510                 }
 511
 512                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 513                         _debug("update_rss_feed: start");
 514                 }
 515
 516                 if (!$ignore_daemon) {
 517
 518                         if (DB_TYPE == "pgsql") {
 519                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 520                                 } else {
 521                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 522                                 }
 523
 524                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 525                                 auth_pass,cache_images,update_method
 526                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 527
 528                 } else {
 529
 530                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 531                                 auth_pass,cache_images,update_method,last_updated
 532                                 FROM ttrss_feeds WHERE id = '$feed'");
 533
 534                 }
 535
 536                 if (db_num_rows($result) == 0) {
 537                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 538                                 _debug("update_rss_feed: feed $feed [$feed_url] NOT FOUND/SKIPPED");
 539                         }
 540                         return false;
 541                 }
 542
 543                 $update_method = db_fetch_result($result, 0, "update_method");
 544                 $last_updated = db_fetch_result($result, 0, "last_updated");
 545
 546                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 547                         WHERE id = '$feed'");
 548
 549                 $auth_login = db_fetch_result($result, 0, "auth_login");
 550                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 551
 552                 if (ALLOW_SELECT_UPDATE_METHOD) {
 553                         if (ENABLE_SIMPLEPIE) {
 554                                 $use_simplepie = $update_method != 1;
 555                         } else {
 556                                 $use_simplepie = $update_method == 2;
 557                         }
 558                 } else {
 559                         $use_simplepie = ENABLE_SIMPLEPIE;
 560                 }
 561
 562                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 563                         _debug("use simplepie: $use_simplepie (feed setting: $update_method)\n");
 564                 }
 565
 566                 if (!$use_simplepie) {
 567                         $auth_login = urlencode($auth_login);
 568                         $auth_pass = urlencode($auth_pass);
 569                 }
 570
 571                 $update_interval = db_fetch_result($result, 0, "update_interval");
 572                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 573
 574                 if ($update_interval < 0) { return; }
 575
 576                 $feed = db_escape_string($feed);
 577
 578                 $fetch_url = $feed_url;
 579
 580                 if ($auth_login && $auth_pass) {
 581                         $url_parts = array();
 582                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 583
 584                         if ($url_parts[1] && $url_parts[2]) {
 585                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 586                         }
 587
 588                 }
 589
 590                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 591                         _debug("update_rss_feed: fetching [$fetch_url]...");
 592                 }
 593
 594                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_REQUEST['xdebug']) {
 595                         error_reporting(0);
 596                 }
 597
 598                 if (!$use_simplepie) {
 599                         $rss = fetch_rss($fetch_url);
 600                 } else {
 601                         if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 602                                 mkdir(SIMPLEPIE_CACHE_DIR);
 603                         }
 604
 605                         $rss = new SimplePie();
 606                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
 607 #                       $rss->set_timeout(10);
 608                         $rss->set_feed_url($fetch_url);
 609                         $rss->set_output_encoding('UTF-8');
 610
 611                         if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 612                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 613                                         _debug("enabling image cache");
 614                                 }
 615
 616                                 $rss->set_image_handler('./image.php', 'i');
 617                         }
 618
 619                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 620                                 _debug("feed update interval (sec): " .
 621                                         get_feed_update_interval($link, $feed)*60);
 622                         }
 623
 624                         if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 625                                 $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 626                                 $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 627                         }
 628
 629                         $rss->init();
 630                 }
 631
 632 //              print_r($rss);
 633
 634                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 635                         _debug("update_rss_feed: fetch done, parsing...");
 636                 } else {
 637                         error_reporting (DEFAULT_ERROR_LEVEL);
 638                 }
 639
 640                 $feed = db_escape_string($feed);
 641
 642                 if ($use_simplepie) {
 643                         $fetch_ok = !$rss->error();
 644                 } else {
 645                         $fetch_ok = !!$rss;
 646                 }
 647
 648                 if ($fetch_ok) {
 649
 650                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 651                                 _debug("update_rss_feed: processing feed data...");
 652                         }
 653
 654 //                      db_query($link, "BEGIN");
 655
 656                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 657                                 FROM ttrss_feeds WHERE id = '$feed'");
 658
 659                         $registered_title = db_fetch_result($result, 0, "title");
 660                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 661                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 662
 663                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 664
 665                         if ($use_simplepie) {
 666                                 $site_url = $rss->get_link();
 667                         } else {
 668                                 $site_url = $rss->channel["link"];
 669                         }
 670
 671                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
 672                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 673                                         _debug("update_rss_feed: checking favicon...");
 674                                 }
 675
 676                                 check_feed_favicon($site_url, $feed, $link);
 677                         }
 678
 679                         if (!$registered_title || $registered_title == "[Unknown]") {
 680
 681                                 if ($use_simplepie) {
 682                                         $feed_title = db_escape_string($rss->get_title());
 683                                 } else {
 684                                         $feed_title = db_escape_string($rss->channel["title"]);
 685                                 }
 686
 687                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 688                                         _debug("update_rss_feed: registering title: $feed_title");
 689                                 }
 690
 691                                 db_query($link, "UPDATE ttrss_feeds SET
 692                                         title = '$feed_title' WHERE id = '$feed'");
 693                         }
 694
 695                         // weird, weird Magpie
 696                         if (!$use_simplepie) {
 697                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 698                         }
 699
 700                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 701                                 db_query($link, "UPDATE ttrss_feeds SET
 702                                         site_url = '$site_url' WHERE id = '$feed'");
 703                         }
 704
 705 //                      print "I: " . $rss->channel["image"]["url"];
 706
 707                         if (!$use_simplepie) {
 708                                 $icon_url = $rss->image["url"];
 709                         } else {
 710                                 $icon_url = $rss->get_image_url();
 711                         }
 712
 713                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
 714                                 $icon_url = db_escape_string($icon_url);
 715                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 716                         }
 717
 718                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 719                                 _debug("update_rss_feed: loading filters...");
 720                         }
 721
 722                         $filters = load_filters($link, $feed, $owner_uid);
 723
 724                         if ($use_simplepie) {
 725                                 $iterator = $rss->get_items();
 726                         } else {
 727                                 $iterator = $rss->items;
 728                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 729                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 730                         }
 731
 732                         if (!is_array($iterator)) {
 733                                 /* db_query($link, "UPDATE ttrss_feeds
 734                                         SET last_error = 'Parse error: can\'t find any articles.'
 735                                         WHERE id = '$feed'"); */
 736
 737                                 // clear any errors and mark feed as updated if fetched okay
 738                                 // even if it's blank
 739
 740                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 741                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 742                                 }
 743
 744                                 db_query($link, "UPDATE ttrss_feeds
 745                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 746
 747                                 return; // no articles
 748                         }
 749
 750                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 751                                 _debug("update_rss_feed: processing articles...");
 752                         }
 753
 754                         foreach ($iterator as $item) {
 755
 756                                 if ($_REQUEST['xdebug'] == 2) {
 757                                         print_r($item);
 758                                 }
 759
 760                                 if ($use_simplepie) {
 761                                         $entry_guid = $item->get_id();
 762                                         if (!$entry_guid) $entry_guid = $item->get_link();
 763                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 764
 765                                 } else {
 766
 767                                         $entry_guid = $item["id"];
 768
 769                                         if (!$entry_guid) $entry_guid = $item["guid"];
 770                                         if (!$entry_guid) $entry_guid = $item["link"];
 771                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 772                                 }
 773
 774                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 775                                         _debug("update_rss_feed: guid $entry_guid");
 776                                 }
 777
 778                                 if (!$entry_guid) continue;
 779
 780                                 $entry_timestamp = "";
 781
 782                                 if ($use_simplepie) {
 783                                         $entry_timestamp = strtotime($item->get_date());
 784                                 } else {
 785                                         $rss_2_date = $item['pubdate'];
 786                                         $rss_1_date = $item['dc']['date'];
 787                                         $atom_date = $item['issued'];
 788                                         if (!$atom_date) $atom_date = $item['updated'];
 789
 790                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 791                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 792                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 793                                 }
 794
 795                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 796                                         $entry_timestamp = time();
 797                                         $no_orig_date = 'true';
 798                                 } else {
 799                                         $no_orig_date = 'false';
 800                                 }
 801
 802                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 803
 804                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 805                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
 806                                 }
 807
 808                                 if ($use_simplepie) {
 809                                         $entry_title = $item->get_title();
 810                                 } else {
 811                                         $entry_title = trim(strip_tags($item["title"]));
 812                                 }
 813
 814                                 if ($use_simplepie) {
 815                                         $entry_link = $item->get_link();
 816                                 } else {
 817                                         // strange Magpie workaround
 818                                         $entry_link = $item["link_"];
 819                                         if (!$entry_link) $entry_link = $item["link"];
 820                                 }
 821
 822                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 823                                         _debug("update_rss_feed: title $entry_title");
 824                                 }
 825
 826                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 827
 828                                 $entry_link = strip_tags($entry_link);
 829
 830                                 if ($use_simplepie) {
 831                                         $entry_content = $item->get_content();
 832                                         if (!$entry_content) $entry_content = $item->get_description();
 833                                 } else {
 834                                         $entry_content = $item["content:escaped"];
 835
 836                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 837                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 838                                         if (!$entry_content) $entry_content = $item["content"];
 839
 840                                         // Magpie bugs are getting ridiculous
 841                                         if (trim($entry_content) == "Array") $entry_content = false;
 842
 843                                         if (!$entry_content) $entry_content = $item["atom_content"];
 844                                         if (!$entry_content) $entry_content = $item["summary"];
 845
 846                                         if (!$entry_content ||
 847                                                 strlen($entry_content) < strlen($item["description"])) {
 848                                                         $entry_content = $item["description"];
 849                                         };
 850
 851                                         // WTF
 852                                         if (is_array($entry_content)) {
 853                                                 $entry_content = $entry_content["encoded"];
 854                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 855                                         }
 856                                 }
 857
 858                                 if ($_REQUEST["xdebug"] == 2) {
 859                                         print "update_rss_feed: content: ";
 860                                         print_r(htmlspecialchars($entry_content));
 861                                 }
 862
 863                                 $entry_content_unescaped = $entry_content;
 864
 865                                 if ($use_simplepie) {
 866                                         $entry_comments = strip_tags($item->data["comments"]);
 867                                         if ($item->get_author()) {
 868                                                 $entry_author_item = $item->get_author();
 869                                                 $entry_author = $entry_author_item->get_name();
 870                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 871
 872                                                 $entry_author = db_escape_string($entry_author);
 873                                         }
 874                                 } else {
 875                                         $entry_comments = strip_tags($item["comments"]);
 876
 877                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 878
 879                                         if ($item['author']) {
 880
 881                                                 if (is_array($item['author'])) {
 882
 883                                                         if (!$entry_author) {
 884                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 885                                                         }
 886
 887                                                         if (!$entry_author) {
 888                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 889                                                         }
 890                                                 }
 891
 892                                                 if (!$entry_author) {
 893                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 894                                                 }
 895                                         }
 896                                 }
 897
 898                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 899
 900                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 901                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 902
 903                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 904                                         WHERE guid = '$entry_guid'");
 905
 906                                 $entry_content = db_escape_string($entry_content);
 907
 908                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 909
 910                                 $entry_title = db_escape_string($entry_title);
 911                                 $entry_link = db_escape_string($entry_link);
 912                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 913                                 $entry_author = mb_substr($entry_author, 0, 250);
 914
 915                                 if ($use_simplepie) {
 916                                         $num_comments = 0; #FIXME#
 917                                 } else {
 918                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 919                                 }
 920
 921                                 if (!$num_comments) $num_comments = 0;
 922
 923                                 // parse <category> entries into tags
 924
 925                                 if ($use_simplepie) {
 926
 927                                         $additional_tags = array();
 928                                         $additional_tags_src = $item->get_categories();
 929
 930                                         if (is_array($additional_tags_src)) {
 931                                                 foreach ($additional_tags_src as $tobj) {
 932                                                         array_push($additional_tags, $tobj->get_term());
 933                                                 }
 934                                         }
 935
 936                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 937                                                 _debug("update_rss_feed: category tags:");
 938                                                 print_r($additional_tags);
 939                                         }
 940
 941                                 } else {
 942
 943                                         $t_ctr = $item['category#'];
 944
 945                                         $additional_tags = false;
 946
 947                                         if ($t_ctr == 0) {
 948                                                 $additional_tags = false;
 949                                         } else if ($t_ctr > 0) {
 950                                                 $additional_tags = array($item['category']);
 951
 952                                                 if ($item['category@term']) {
 953                                                         array_push($additional_tags, $item['category@term']);
 954                                                 }
 955
 956                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 957                                                         if ($item["category#$i"]) {
 958                                                                 array_push($additional_tags, $item["category#$i"]);
 959                                                         }
 960
 961                                                         if ($item["category#$i@term"]) {
 962                                                                 array_push($additional_tags, $item["category#$i@term"]);
 963                                                         }
 964                                                 }
 965                                         }
 966
 967                                         // parse <dc:subject> elements
 968
 969                                         $t_ctr = $item['dc']['subject#'];
 970
 971                                         if ($t_ctr > 0) {
 972                                                 $additional_tags = array($item['dc']['subject']);
 973
 974                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 975                                                         if ($item['dc']["subject#$i"]) {
 976                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
 977                                                         }
 978                                                 }
 979                                         }
 980                                 }
 981
 982                                 // enclosures
 983
 984                                 $enclosures = array();
 985
 986                                 if ($use_simplepie) {
 987                                         $encs = $item->get_enclosures();
 988
 989                                         if (is_array($encs)) {
 990                                                 foreach ($encs as $e) {
 991                                                         $e_item = array(
 992                                                                 $e->link, $e->type, $e->length);
 993
 994                                                         array_push($enclosures, $e_item);
 995                                                 }
 996                                         }
 997
 998                                 } else {
 999                                         // <enclosure>
1000
1001                                         $e_ctr = $item['enclosure#'];
1002
1003                                         if ($e_ctr > 0) {
1004                                                 $e_item = array($item['enclosure@url'],
1005                                                         $item['enclosure@type'],
1006                                                         $item['enclosure@length']);
1007
1008                                                 array_push($enclosures, $e_item);
1009
1010                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1011
1012                                                         if ($item["enclosure#$i@url"]) {
1013                                                                 $e_item = array($item["enclosure#$i@url"],
1014                                                                         $item["enclosure#$i@type"],
1015                                                                         $item["enclosure#$i@length"]);
1016                                                                 array_push($enclosures, $e_item);
1017                                                         }
1018                                                 }
1019                                         }
1020
1021                                         // <media:content>
1022                                         // can there be many of those? yes -fox
1023
1024                                         $m_ctr = $item['media']['content#'];
1025
1026                                         if ($m_ctr > 0) {
1027                                                 $e_item = array($item['media']['content@url'],
1028                                                         $item['media']['content@medium'],
1029                                                         $item['media']['content@length']);
1030
1031                                                 array_push($enclosures, $e_item);
1032
1033                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1034
1035                                                         if ($item["media"]["content#$i@url"]) {
1036                                                                 $e_item = array($item["media"]["content#$i@url"],
1037                                                                         $item["media"]["content#$i@medium"],
1038                                                                         $item["media"]["content#$i@length"]);
1039                                                                 array_push($enclosures, $e_item);
1040                                                         }
1041                                                 }
1042
1043                                         }
1044                                 }
1045
1046                                 # sanitize content
1047
1048                                 $entry_content = sanitize_article_content($entry_content);
1049                                 $entry_title = sanitize_article_content($entry_title);
1050
1051                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1052                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1053                                 }
1054
1055                                 db_query($link, "BEGIN");
1056
1057                                 if (db_num_rows($result) == 0) {
1058
1059                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1060                                                 _debug("update_rss_feed: base guid not found");
1061                                         }
1062
1063                                         // base post entry does not exist, create it
1064
1065                                         $result = db_query($link,
1066                                                 "INSERT INTO ttrss_entries
1067                                                         (title,
1068                                                         guid,
1069                                                         link,
1070                                                         updated,
1071                                                         content,
1072                                                         content_hash,
1073                                                         no_orig_date,
1074                                                         date_entered,
1075                                                         comments,
1076                                                         num_comments,
1077                                                         author)
1078                                                 VALUES
1079                                                         ('$entry_title',
1080                                                         '$entry_guid',
1081                                                         '$entry_link',
1082                                                         '$entry_timestamp_fmt',
1083                                                         '$entry_content',
1084                                                         '$content_hash',
1085                                                         $no_orig_date,
1086                                                         NOW(),
1087                                                         '$entry_comments',
1088                                                         '$num_comments',
1089                                                         '$entry_author')");
1090                                 } else {
1091                                         // we keep encountering the entry in feeds, so we need to
1092                                         // update date_entered column so that we don't get horrible
1093                                         // dupes when the entry gets purged and reinserted again e.g.
1094                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1095
1096                                         $base_entry_id = db_fetch_result($result, 0, "id");
1097
1098                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
1099                                                 WHERE id = '$base_entry_id'");
1100                                 }
1101
1102                                 // now it should exist, if not - bad luck then
1103
1104                                 $result = db_query($link, "SELECT
1105                                                 id,content_hash,no_orig_date,title,
1106                                                 ".SUBSTRING_FOR_DATE."(date_entered,1,19) as date_entered,
1107                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1108                                                 num_comments
1109                                         FROM
1110                                                 ttrss_entries
1111                                         WHERE guid = '$entry_guid'");
1112
1113                                 $entry_ref_id = 0;
1114                                 $entry_int_id = 0;
1115
1116                                 if (db_num_rows($result) == 1) {
1117
1118                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1119                                                 _debug("update_rss_feed: base guid found, checking for user record");
1120                                         }
1121
1122                                         // this will be used below in update handler
1123                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1124                                         $orig_title = db_fetch_result($result, 0, "title");
1125                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1126                                         $orig_date_entered = strtotime(db_fetch_result($result,
1127                                                 0, "date_entered"));
1128
1129                                         $ref_id = db_fetch_result($result, 0, "id");
1130                                         $entry_ref_id = $ref_id;
1131
1132                                         // check for user post link to main table
1133
1134                                         // do we allow duplicate posts with same GUID in different feeds?
1135                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1136                                                 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
1137                                         } else {
1138                                                 $dupcheck_qpart = "";
1139                                         }
1140
1141 //                                      error_reporting(0);
1142
1143                                         $article_filters = get_article_filters($filters, $entry_title,
1144                                                         $entry_content, $entry_link, $entry_timestamp);
1145
1146                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1147                                                 _debug("update_rss_feed: article filters: ");
1148                                                 if (count($article_filters) != 0) {
1149                                                         print_r($article_filters);
1150                                                 }
1151                                         }
1152
1153                                         if (find_article_filter($article_filters, "filter")) {
1154                                                 db_query($link, "COMMIT"); // close transaction in progress
1155                                                 continue;
1156                                         }
1157
1158 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
1159
1160                                         $score = calculate_article_score($article_filters);
1161
1162                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1163                                                 _debug("update_rss_feed: initial score: $score");
1164                                         }
1165
1166                                         $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1167                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1168                                                         $dupcheck_qpart";
1169
1170 //                                      if ($_REQUEST["xdebug"]) print "$query\n";
1171
1172                                         $result = db_query($link, $query);
1173
1174                                         // okay it doesn't exist - create user entry
1175                                         if (db_num_rows($result) == 0) {
1176
1177                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1178                                                         _debug("update_rss_feed: user record not found, creating...");
1179                                                 }
1180
1181                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1182                                                         $unread = 'true';
1183                                                         $last_read_qpart = 'NULL';
1184                                                 } else {
1185                                                         $unread = 'false';
1186                                                         $last_read_qpart = 'NOW()';
1187                                                 }
1188
1189                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1190                                                         $marked = 'true';
1191                                                 } else {
1192                                                         $marked = 'false';
1193                                                 }
1194
1195                                                 if (find_article_filter($article_filters, 'publish')) {
1196                                                         $published = 'true';
1197                                                 } else {
1198                                                         $published = 'false';
1199                                                 }
1200
1201                                                 $result = db_query($link,
1202                                                         "INSERT INTO ttrss_user_entries
1203                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1204                                                                         published, score)
1205                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1206                                                                 $last_read_qpart, $marked, $published, '$score')");
1207
1208                                                 $result = db_query($link,
1209                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1210                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1211                                                                 feed_id = '$feed' LIMIT 1");
1212
1213                                                 if (db_num_rows($result) == 1) {
1214                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1215                                                 }
1216                                         } else {
1217                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1218                                                         _debug("update_rss_feed: user record FOUND");
1219                                                 }
1220
1221                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1222                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1223                                         }
1224
1225                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1226                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1227                                         }
1228
1229                                         $post_needs_update = false;
1230
1231                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1232                                                 ($content_hash != $orig_content_hash)) {
1233 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1234                                                 $post_needs_update = true;
1235                                         }
1236
1237                                         if (db_escape_string($orig_title) != $entry_title) {
1238                                                 $post_needs_update = true;
1239                                         }
1240
1241                                         if ($orig_num_comments != $num_comments) {
1242                                                 $post_needs_update = true;
1243                                         }
1244
1245 //                                      this doesn't seem to be very reliable
1246 //
1247 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1248 //                                              $post_needs_update = true;
1249 //                                      }
1250
1251                                         // if post needs update, update it and mark all user entries
1252                                         // linking to this post as updated
1253                                         if ($post_needs_update) {
1254
1255                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1256                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1257                                                 }
1258
1259 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1260
1261                                                 db_query($link, "UPDATE ttrss_entries
1262                                                         SET title = '$entry_title', content = '$entry_content',
1263                                                                 content_hash = '$content_hash',
1264                                                                 num_comments = '$num_comments'
1265                                                         WHERE id = '$ref_id'");
1266
1267                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1268                                                         db_query($link, "UPDATE ttrss_user_entries
1269                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1270                                                 } else {
1271                                                         db_query($link, "UPDATE ttrss_user_entries
1272                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1273                                                 }
1274
1275                                         }
1276                                 }
1277
1278                                 db_query($link, "COMMIT");
1279
1280                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1281                                         _debug("update_rss_feed: assigning labels...");
1282                                 }
1283
1284                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1285                                         $owner_uid);
1286
1287                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1288                                         _debug("update_rss_feed: looking for enclosures...");
1289                                 }
1290
1291                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1292                                         print_r($enclosures);
1293                                 }
1294
1295                                 db_query($link, "BEGIN");
1296
1297                                 foreach ($enclosures as $enc) {
1298                                         $enc_url = db_escape_string($enc[0]);
1299                                         $enc_type = db_escape_string($enc[1]);
1300                                         $enc_dur = db_escape_string($enc[2]);
1301
1302                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1303                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1304
1305                                         if (db_num_rows($result) == 0) {
1306                                                 db_query($link, "INSERT INTO ttrss_enclosures
1307                                                         (content_url, content_type, title, duration, post_id) VALUES
1308                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1309                                         }
1310                                 }
1311
1312                                 db_query($link, "COMMIT");
1313
1314                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1315                                         _debug("update_rss_feed: looking for tags...");
1316                                 }
1317
1318                                 /* taaaags */
1319                                 // <a href="..." rel="tag">Xorg</a>, //
1320
1321                                 $entry_tags = null;
1322
1323                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
1324                                         $entry_content_unescaped, $entry_tags);
1325
1326 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1327                                 print_r($entry_tags);
1328                                 print "<br/></p>"; */
1329
1330                                 $entry_tags = $entry_tags[1];
1331
1332                                 # check for manual tags
1333
1334                                 $tag_filter = find_article_filter($article_filters, "tag");
1335
1336                                 if ($tag_filter) {
1337
1338                                         $manual_tags = trim_array(split(",", $tag_filter[1]));
1339
1340                                         foreach ($manual_tags as $tag) {
1341                                                 if (tag_is_valid($tag)) {
1342                                                         array_push($entry_tags, $tag);
1343                                                 }
1344                                         }
1345                                 }
1346
1347                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1348                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1349
1350                                 if ($additional_tags && is_array($additional_tags)) {
1351                                         foreach ($additional_tags as $tag) {
1352                                                 if (tag_is_valid($tag) &&
1353                                                                 array_search($tag, $boring_tags) === FALSE) {
1354                                                         array_push($entry_tags, $tag);
1355                                                 }
1356                                         }
1357                                 }
1358
1359 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1360
1361                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1362                                         print_r($entry_tags);
1363                                 }
1364
1365                                 if (count($entry_tags) > 0) {
1366
1367                                         db_query($link, "BEGIN");
1368
1369                                                 foreach ($entry_tags as $tag) {
1370
1371                                                         $tag = sanitize_tag($tag);
1372                                                         $tag = db_escape_string($tag);
1373
1374                                                         if (!tag_is_valid($tag)) continue;
1375
1376                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
1377                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1378                                                                 owner_uid = '$owner_uid' LIMIT 1");
1379
1380         //                                              print db_fetch_result($result, 0, "id");
1381
1382                                                         if ($result && db_num_rows($result) == 0) {
1383
1384                                                                 db_query($link, "INSERT INTO ttrss_tags
1385                                                                         (owner_uid,tag_name,post_int_id)
1386                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1387                                                         }
1388                                                 }
1389
1390                                         db_query($link, "COMMIT");
1391                                 }
1392
1393                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1394                                         _debug("update_rss_feed: article processed");
1395                                 }
1396                         }
1397
1398                         if (!$last_updated) {
1399                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1400                                         _debug("update_rss_feed: new feed, catching it up...");
1401                                 }
1402                                 catchup_feed($link, $feed, false, $owner_uid);
1403                         }
1404
1405                         purge_feed($link, $feed, 0);
1406
1407                         db_query($link, "UPDATE ttrss_feeds
1408                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1409
1410 //                      db_query($link, "COMMIT");
1411
1412                 } else {
1413
1414                         if ($use_simplepie) {
1415                                 $error_msg = mb_substr($rss->error(), 0, 250);
1416                         } else {
1417                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1418                         }
1419
1420                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1421                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1422                         }
1423
1424                         $error_msg = db_escape_string($error_msg);
1425
1426                         db_query($link,
1427                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1428                                         last_updated = NOW() WHERE id = '$feed'");
1429                 }
1430
1431                 if ($use_simplepie) {
1432                         unset($rss);
1433                 }
1434
1435                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1436                         _debug("update_rss_feed: done");
1437                 }
1438
1439         }
1440
1441         function print_select($id, $default, $values, $attributes = "") {
1442                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1443                 foreach ($values as $v) {
1444                         if ($v == $default)
1445                                 $sel = " selected";
1446                          else
1447                                 $sel = "";
1448
1449                         print "<option$sel>$v</option>";
1450                 }
1451                 print "</select>";
1452         }
1453
1454         function print_select_hash($id, $default, $values, $attributes = "") {
1455                 print "<select name=\"$id\" id='$id' $attributes>";
1456                 foreach (array_keys($values) as $v) {
1457                         if ($v == $default)
1458                                 $sel = 'selected="selected"';
1459                          else
1460                                 $sel = "";
1461
1462                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1463                 }
1464
1465                 print "</select>";
1466         }
1467
1468         function get_article_filters($filters, $title, $content, $link, $timestamp) {
1469                 $matches = array();
1470
1471                 if ($filters["title"]) {
1472                         foreach ($filters["title"] as $filter) {
1473                                 $reg_exp = $filter["reg_exp"];
1474                                 $inverse = $filter["inverse"];
1475                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
1476                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1477
1478                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1479                                 }
1480                         }
1481                 }
1482
1483                 if ($filters["content"]) {
1484                         foreach ($filters["content"] as $filter) {
1485                                 $reg_exp = $filter["reg_exp"];
1486                                 $inverse = $filter["inverse"];
1487
1488                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
1489                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1490
1491                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1492                                 }
1493                         }
1494                 }
1495
1496                 if ($filters["both"]) {
1497                         foreach ($filters["both"] as $filter) {
1498                                 $reg_exp = $filter["reg_exp"];
1499                                 $inverse = $filter["inverse"];
1500
1501                                 if ($inverse) {
1502                                         if (!preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1503                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1504                                         }
1505                                 } else {
1506                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1507                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1508                                         }
1509                                 }
1510                         }
1511                 }
1512
1513                 if ($filters["link"]) {
1514                         $reg_exp = $filter["reg_exp"];
1515                         foreach ($filters["link"] as $filter) {
1516                                 $reg_exp = $filter["reg_exp"];
1517                                 $inverse = $filter["inverse"];
1518
1519                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1520                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1521
1522                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1523                                 }
1524                         }
1525                 }
1526
1527                 if ($filters["date"]) {
1528                         $reg_exp = $filter["reg_exp"];
1529                         foreach ($filters["date"] as $filter) {
1530                                 $date_modifier = $filter["filter_param"];
1531                                 $inverse = $filter["inverse"];
1532                                 $check_timestamp = strtotime($filter["reg_exp"]);
1533
1534                                 # no-op when timestamp doesn't parse to prevent misfires
1535
1536                                 if ($check_timestamp) {
1537                                         $match_ok = false;
1538
1539                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1540                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1541                                                         $match_ok = true;
1542                                         }
1543
1544                                         if ($inverse) $match_ok = !$match_ok;
1545
1546                                         if ($match_ok) {
1547                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1548                                         }
1549                                 }
1550                         }
1551                 }
1552
1553                 return $matches;
1554         }
1555
1556         function find_article_filter($filters, $filter_name) {
1557                 foreach ($filters as $f) {
1558                         if ($f[0] == $filter_name) {
1559                                 return $f;
1560                         };
1561                 }
1562                 return false;
1563         }
1564
1565         function calculate_article_score($filters) {
1566                 $score = 0;
1567
1568                 foreach ($filters as $f) {
1569                         if ($f[0] == "score") {
1570                                 $score += $f[1];
1571                         };
1572                 }
1573                 return $score;
1574         }
1575
1576         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1577                 foreach ($filters as $f) {
1578                         if ($f[0] == "label") {
1579                                 label_add_article($link, $id, $f[1], $owner_uid);
1580                         };
1581                 }
1582         }
1583
1584         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1585                 $rtl_content = false, $last_updated = false, $last_error = false,
1586                 $fg_content = false, $bg_content = false) {
1587
1588                 if (!$feed_title) $feed_title = getFeedTitle($link, $feed_id, false);
1589                 if (!$unread) $unread = getFeedUnread($link, $feed_id);
1590
1591                 if ($unread > 0) $class .= "Unread";
1592
1593                 if (!$icon_file) $icon_file = getFeedIcon($feed_id);
1594
1595                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1596                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1597                 } else {
1598                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1599                 }
1600
1601                 if ($rtl_content) {
1602                         $rtl_tag = "dir=\"rtl\"";
1603                 } else {
1604                         $rtl_tag = "dir=\"ltr\"";
1605                 }
1606
1607                 $error_notify_msg = "";
1608
1609                 if ($last_error) {
1610                         $link_title = "Error: $last_error ($last_updated)";
1611                         $error_notify_msg = "(Error)";
1612                 } else if ($last_updated) {
1613                         $link_title = "Updated: $last_updated";
1614                 }
1615
1616                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\"
1617                         href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
1618
1619 /*              if ($feed_id < -10) {
1620                         $bg_color = "#00ccff";
1621                         $fg_color = "white";
1622                 }
1623
1624                 if ($fg_color || $bg_color) {
1625                         $color_str = "<div class='labelColorIndicator'
1626                                 style='color : $fg_color; background-color : $bg_color'>l</div>";
1627                 }
1628
1629                 print $color_str; */
1630
1631                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1632                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1633                         print "$feed_icon";
1634                 }
1635
1636                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1637
1638                 if ($unread != 0) {
1639                         $fctr_class = "class=\"feedCtrHasUnread\"";
1640                 } else {
1641                         $fctr_class = "class=\"feedCtrNoUnread\"";
1642                 }
1643
1644                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1645                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1646
1647                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1648                         $total = getFeedArticles($link, $feed_id);
1649                         print "<div class=\"feedExtInfo\">
1650                                 <span id=\"FLUPD-$feed_id\">$last_updated ($total total) $error_notify_msg</span></div>";
1651                 }
1652
1653                 print "</li>";
1654
1655         }
1656
1657         function getmicrotime() {
1658                 list($usec, $sec) = explode(" ",microtime());
1659                 return ((float)$usec + (float)$sec);
1660         }
1661
1662         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1663                 foreach ($values as $v) {
1664
1665                         if ($v == $default)
1666                                 $sel = "checked";
1667                          else
1668                                 $sel = "";
1669
1670                         if ($v == $true_is) {
1671                                 $sel .= " value=\"1\"";
1672                         } else {
1673                                 $sel .= " value=\"0\"";
1674                         }
1675
1676                         print "<input class=\"noborder\"
1677                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1678
1679                 }
1680         }
1681
1682         function initialize_user_prefs($link, $uid, $profile = false) {
1683
1684                 $uid = db_escape_string($uid);
1685
1686                 if (!$profile) {
1687                         $profile = "NULL";
1688                         $profile_qpart = "profile IS NULL";
1689                 } else {
1690                         $profile_qpart = "profile = '$profile'";
1691                 }
1692
1693                 db_query($link, "BEGIN");
1694
1695                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1696
1697                 $u_result = db_query($link, "SELECT pref_name
1698                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' AND $profile_qpart");
1699
1700                 $active_prefs = array();
1701
1702                 while ($line = db_fetch_assoc($u_result)) {
1703                         array_push($active_prefs, $line["pref_name"]);
1704                 }
1705
1706                 while ($line = db_fetch_assoc($result)) {
1707                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1708 //                              print "adding " . $line["pref_name"] . "<br>";
1709
1710                                 db_query($link, "INSERT INTO ttrss_user_prefs
1711                                         (owner_uid,pref_name,value, profile) VALUES
1712                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
1713
1714                         }
1715                 }
1716
1717                 db_query($link, "COMMIT");
1718
1719         }
1720
1721         function lookup_user_id($link, $user) {
1722
1723                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1724                         login = '$login'");
1725
1726                 if (db_num_rows($result) == 1) {
1727                         return db_fetch_result($result, 0, "id");
1728                 } else {
1729                         return false;
1730                 }
1731         }
1732
1733         function http_authenticate_user($link) {
1734
1735 //              error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1736
1737                 if (!$_SERVER["PHP_AUTH_USER"]) {
1738
1739                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1740                         header('HTTP/1.0 401 Unauthorized');
1741                         exit;
1742
1743                 } else {
1744                         $auth_result = authenticate_user($link,
1745                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1746
1747                         if (!$auth_result) {
1748                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1749                                 header('HTTP/1.0 401 Unauthorized');
1750                                 exit;
1751                         }
1752                 }
1753
1754                 return true;
1755         }
1756
1757         function authenticate_user($link, $login, $password, $force_auth = false) {
1758
1759                 if (!SINGLE_USER_MODE) {
1760
1761                         $pwd_hash1 = encrypt_password($password);
1762                         $pwd_hash2 = encrypt_password($password, $login);
1763                         $login = db_escape_string($login);
1764
1765                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1766                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1767
1768                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1769
1770                                 $query = "SELECT id,login,access_level,pwd_hash
1771                     FROM ttrss_users WHERE
1772                                         login = '$login'";
1773
1774                         } else {
1775                                 $query = "SELECT id,login,access_level,pwd_hash
1776                     FROM ttrss_users WHERE
1777                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1778                                                 pwd_hash = '$pwd_hash2')";
1779                         }
1780
1781                         $result = db_query($link, $query);
1782
1783                         if (db_num_rows($result) == 1) {
1784                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1785                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1786                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1787
1788                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1789                                         $_SESSION["uid"]);
1790
1791                                 $user_theme = get_user_theme_path($link);
1792
1793                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1794                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1795
1796                                 initialize_user_prefs($link, $_SESSION["uid"]);
1797
1798                                 return true;
1799                         }
1800
1801                         return false;
1802
1803                 } else {
1804
1805                         $_SESSION["uid"] = 1;
1806                         $_SESSION["name"] = "admin";
1807
1808                         $user_theme = get_user_theme_path($link);
1809
1810                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1811
1812                         initialize_user_prefs($link, $_SESSION["uid"]);
1813
1814                         return true;
1815                 }
1816         }
1817
1818         function make_password($length = 8) {
1819
1820                 $password = "";
1821                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1822
1823         $i = 0;
1824
1825                 while ($i < $length) {
1826                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1827
1828                         if (!strstr($password, $char)) {
1829                                 $password .= $char;
1830                                 $i++;
1831                         }
1832                 }
1833                 return $password;
1834         }
1835
1836         // this is called after user is created to initialize default feeds, labels
1837         // or whatever else
1838
1839         // user preferences are checked on every login, not here
1840
1841         function initialize_user($link, $uid) {
1842
1843 /*              db_query($link, "INSERT INTO ttrss_labels2 (owner_uid, caption)
1844                         VALUES ('$uid', 'All Articles')");
1845
1846                 db_query($link, "INSERT INTO ttrss_filters
1847                         (owner_uid, feed_id, filter_type, reg_exp, enabled,
1848                                 action_id, action_param, filter_param)
1849                         VALUES ('$uid', NULL, 1, '.', true, 7, 'All Articles', 'before')"); */
1850
1851                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1852                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1853                         'http://tt-rss.org/releases.rss')");
1854
1855                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1856                         values ('$uid', 'Tiny Tiny RSS: Forum',
1857                         'http://tt-rss.org/forum/rss.php')");
1858         }
1859
1860         function logout_user() {
1861                 session_destroy();
1862                 if (isset($_COOKIE[session_name()])) {
1863                    setcookie(session_name(), '', time()-42000, '/');
1864                 }
1865         }
1866
1867         function get_script_urlpath() {
1868                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1869         }
1870
1871         function validate_session($link) {
1872                 if (SINGLE_USER_MODE) {
1873                         return true;
1874                 }
1875
1876                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1877                         if ($_SESSION["ip_address"]) {
1878                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1879                                         $_SESSION["login_error_msg"] = __("Session failed to validate (incorrect IP)");
1880                                         return false;
1881                                 }
1882                         }
1883                 }
1884
1885                 if ($_SESSION["uid"]) {
1886
1887                         $result = db_query($link,
1888                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1889
1890                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1891
1892                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1893                                 return false;
1894                         }
1895                 }
1896
1897 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1898
1899                         //print_r($_SESSION);
1900
1901                         if (time() > $_SESSION["cookie_lifetime"]) {
1902                                 return false;
1903                         }
1904                 } */
1905
1906                 return true;
1907         }
1908
1909         function login_sequence($link, $mobile = false) {
1910                 if (!SINGLE_USER_MODE) {
1911
1912                         if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1913                                 $swu = db_escape_string($_REQUEST["swu"]);
1914                                 if ($swu) {
1915                                         $_SESSION["prefs_cache"] = false;
1916                                         return authenticate_user($link, $swu, null, true);
1917                                 }
1918                         }
1919
1920                         $login_action = $_POST["login_action"];
1921
1922                         # try to authenticate user if called from login form
1923                         if ($login_action == "do_login") {
1924                                 $login = $_POST["login"];
1925                                 $password = $_POST["password"];
1926                                 $remember_me = $_POST["remember_me"];
1927
1928                                 if (authenticate_user($link, $login, $password)) {
1929                                         $_POST["password"] = "";
1930
1931                                         $_SESSION["language"] = $_POST["language"];
1932                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
1933
1934                                         if ($_POST["profile"]) {
1935
1936                                                 $profile = db_escape_string($_POST["profile"]);
1937
1938                                                 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
1939                                                         WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
1940
1941                                                 if (db_num_rows($result) != 0) {
1942                                                         $_SESSION["profile"] = $profile;
1943                                                         $_SESSION["prefs_cache"] = array();
1944                                                 }
1945                                         }
1946
1947                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1948                                         exit;
1949
1950                                         return;
1951                                 } else {
1952                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
1953                                 }
1954                         }
1955
1956                         if (!$_SESSION["uid"] || !validate_session($link)) {
1957                                 render_login_form($link, $mobile);
1958                                 //header("Location: login.php");
1959                                 exit;
1960                         } else {
1961                                 /* bump login timestamp */
1962                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1963                                         $_SESSION["uid"]);
1964
1965                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1966                                         setcookie("ttrss_lang", $_SESSION["language"],
1967                                                 time() + SESSION_COOKIE_LIFETIME);
1968                                 }
1969
1970                                 /* bump counters stamp since we're getting reloaded anyway */
1971
1972                                 $_SESSION["get_all_counters_stamp"] = time();
1973                         }
1974
1975                 } else {
1976                         return authenticate_user($link, "admin", null);
1977                 }
1978         }
1979
1980         function truncate_string($str, $max_len) {
1981                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1982                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
1983                 } else {
1984                         return $str;
1985                 }
1986         }
1987
1988         function get_user_theme_path($link) {
1989                 $theme_id = get_pref($link, "_THEME_ID");
1990
1991                 $result = db_query($link, "SELECT theme_path
1992                         FROM ttrss_themes       WHERE id = '$theme_id'");
1993                 if (db_num_rows($result) != 0) {
1994                         return db_fetch_result($result, 0, "theme_path");
1995                 } else {
1996                         return null;
1997                 }
1998         }
1999
2000         function smart_date_time($timestamp) {
2001                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2002                         return date("G:i", $timestamp);
2003                 } else if (date("Y", $timestamp) == date("Y")) {
2004                         return date("M d, G:i", $timestamp);
2005                 } else {
2006                         return date("Y/m/d, G:i", $timestamp);
2007                 }
2008         }
2009
2010         function smart_date($timestamp) {
2011                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2012                         return "Today";
2013                 } else if (date("Y", $timestamp) == date("Y")) {
2014                         return date("D m", $timestamp);
2015                 } else {
2016                         return date("Y/m/d", $timestamp);
2017                 }
2018         }
2019
2020         function sql_bool_to_string($s) {
2021                 if ($s == "t" || $s == "1") {
2022                         return "true";
2023                 } else {
2024                         return "false";
2025                 }
2026         }
2027
2028         function sql_bool_to_bool($s) {
2029                 if ($s == "t" || $s == "1") {
2030                         return true;
2031                 } else {
2032                         return false;
2033                 }
2034         }
2035
2036         function bool_to_sql_bool($s) {
2037                 if ($s) {
2038                         return "true";
2039                 } else {
2040                         return "false";
2041                 }
2042         }
2043
2044         function toggleEvenOdd($a) {
2045                 if ($a == "even")
2046                         return "odd";
2047                 else
2048                         return "even";
2049         }
2050
2051         function sanity_check($link) {
2052
2053                 error_reporting(0);
2054
2055                 $error_code = 0;
2056                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2057                 $schema_version = db_fetch_result($result, 0, "schema_version");
2058
2059                 if ($schema_version != SCHEMA_VERSION) {
2060                         $error_code = 5;
2061                 }
2062
2063                 if (DB_TYPE == "mysql") {
2064                         $result = db_query($link, "SELECT true", false);
2065                         if (db_num_rows($result) != 1) {
2066                                 $error_code = 10;
2067                         }
2068                 }
2069
2070                 if (db_escape_string("testTEST") != "testTEST") {
2071                         $error_code = 12;
2072                 }
2073
2074                 error_reporting (DEFAULT_ERROR_LEVEL);
2075
2076                 if ($error_code != 0) {
2077                         print_error_xml($error_code);
2078                         return false;
2079                 } else {
2080                         return true;
2081                 }
2082         }
2083
2084         function file_is_locked($filename) {
2085                 if (function_exists('flock')) {
2086                         error_reporting(0);
2087                         $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2088                         error_reporting(DEFAULT_ERROR_LEVEL);
2089                         if ($fp) {
2090                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2091                                         flock($fp, LOCK_UN);
2092                                         fclose($fp);
2093                                         return false;
2094                                 }
2095                                 fclose($fp);
2096                                 return true;
2097                         } else {
2098                                 return false;
2099                         }
2100                 }
2101                 return true; // consider the file always locked and skip the test
2102         }
2103
2104         function make_lockfile($filename) {
2105                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2106
2107                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2108                         return $fp;
2109                 } else {
2110                         return false;
2111                 }
2112         }
2113
2114         function make_stampfile($filename) {
2115                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2116
2117                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2118                         fwrite($fp, time() . "\n");
2119                         flock($fp, LOCK_UN);
2120                         fclose($fp);
2121                         return true;
2122                 } else {
2123                         return false;
2124                 }
2125         }
2126
2127         function read_stampfile($filename) {
2128
2129                 error_reporting(0);
2130                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2131                 error_reporting (DEFAULT_ERROR_LEVEL);
2132
2133                 if ($fp) {
2134                         if (flock($fp, LOCK_EX)) {
2135                                 $stamp = fgets($fp);
2136                                 flock($fp, LOCK_UN);
2137                                 fclose($fp);
2138                                 return $stamp;
2139                         } else {
2140                                 return false;
2141                         }
2142                 } else {
2143                         return false;
2144                 }
2145         }
2146
2147         function sql_random_function() {
2148                 if (DB_TYPE == "mysql") {
2149                         return "RAND()";
2150                 } else {
2151                         return "RANDOM()";
2152                 }
2153         }
2154
2155         function catchup_feed($link, $feed, $cat_view, $owner_uid) {
2156
2157                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2158
2159                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2160
2161                                 if ($cat_view) {
2162
2163                                         if ($feed >= 0) {
2164
2165                                                 if ($feed > 0) {
2166                                                         $cat_qpart = "cat_id = '$feed'";
2167                                                 } else {
2168                                                         $cat_qpart = "cat_id IS NULL";
2169                                                 }
2170
2171                                                 $tmp_result = db_query($link, "SELECT id
2172                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2173
2174                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2175
2176                                                         $tmp_feed = $tmp_line["id"];
2177
2178                                                         db_query($link, "UPDATE ttrss_user_entries
2179                                                                 SET unread = false,last_read = NOW()
2180                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2181                                                 }
2182                                         } else if ($feed == -2) {
2183
2184
2185                                                 db_query($link, "UPDATE ttrss_user_entries
2186                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
2187                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
2188                                                         AND unread = true AND owner_uid = $owner_uid");
2189                                         }
2190
2191                                 } else if ($feed > 0) {
2192
2193                                         $tmp_result = db_query($link, "SELECT id
2194                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2195                                                 ORDER BY cat_id,title");
2196
2197                                         $parent_ids = array();
2198
2199                                         if (db_num_rows($tmp_result) > 0) {
2200                                                 while ($p = db_fetch_assoc($tmp_result)) {
2201                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2202                                                 }
2203
2204                                                 $children_qpart = implode(" OR ", $parent_ids);
2205
2206                                                 db_query($link, "UPDATE ttrss_user_entries
2207                                                         SET unread = false,last_read = NOW()
2208                                                         WHERE (feed_id = '$feed' OR $children_qpart)
2209                                                         AND owner_uid = $owner_uid");
2210
2211                                         } else {
2212                                                 db_query($link, "UPDATE ttrss_user_entries
2213                                                         SET unread = false,last_read = NOW()
2214                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2215                                         }
2216
2217                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2218
2219                                         if ($feed == -1) {
2220                                                 db_query($link, "UPDATE ttrss_user_entries
2221                                                         SET unread = false,last_read = NOW()
2222                                                         WHERE marked = true AND owner_uid = $owner_uid");
2223                                         }
2224
2225                                         if ($feed == -2) {
2226                                                 db_query($link, "UPDATE ttrss_user_entries
2227                                                         SET unread = false,last_read = NOW()
2228                                                         WHERE published = true AND owner_uid = $owner_uid");
2229                                         }
2230
2231                                         if ($feed == -3) {
2232
2233                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2234
2235                                                 if (DB_TYPE == "pgsql") {
2236                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2237                                                 } else {
2238                                                         $match_part = "updated > DATE_SUB(NOW(),
2239                                                                 INTERVAL $intl HOUR) ";
2240                                                 }
2241
2242                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2243                                                         ttrss_user_entries WHERE $match_part AND
2244                                                         unread = true AND
2245                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2246                                                         owner_uid = $owner_uid");
2247
2248                                                 $affected_ids = array();
2249
2250                                                 while ($line = db_fetch_assoc($result)) {
2251                                                         array_push($affected_ids, $line["id"]);
2252                                                 }
2253
2254                                                 catchupArticlesById($link, $affected_ids, 0);
2255                                         }
2256
2257                                         if ($feed == -4) {
2258                                                 db_query($link, "UPDATE ttrss_user_entries
2259                                                         SET unread = false,last_read = NOW()
2260                                                         WHERE owner_uid = $owner_uid");
2261                                         }
2262
2263                                 } else if ($feed < -10) { // label
2264
2265                                         $label_id = -$feed - 11;
2266
2267                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2268                                                 SET unread = false, last_read = NOW()
2269                                                         WHERE label_id = '$label_id' AND unread = true
2270                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2271
2272                                 }
2273
2274                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2275
2276                         } else { // tag
2277                                 db_query($link, "BEGIN");
2278
2279                                 $tag_name = db_escape_string($feed);
2280
2281                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2282                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2283
2284                                 while ($line = db_fetch_assoc($result)) {
2285                                         db_query($link, "UPDATE ttrss_user_entries SET
2286                                                 unread = false, last_read = NOW()
2287                                                 WHERE int_id = " . $line["post_int_id"]);
2288                                 }
2289                                 db_query($link, "COMMIT");
2290                         }
2291         }
2292
2293         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2294                         if ($cat_view) {
2295
2296                                 if ($feed > 0) {
2297                                         $cat_qpart = "cat_id = '$feed'";
2298                                 } else {
2299                                         $cat_qpart = "cat_id IS NULL";
2300                                 }
2301
2302                                 $tmp_result = db_query($link, "SELECT id,feed_url FROM ttrss_feeds
2303                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2304
2305                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2306                                         $feed_url = $tmp_line["feed_url"];
2307                                         $feed_id = $tmp_line["id"];
2308                                         update_rss_feed($link, $feed_url, $feed_id, $force_update);
2309                                 }
2310
2311                         } else {
2312                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
2313                                         WHERE id = '$feed'");
2314                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
2315                                 update_rss_feed($link, $feed_url, $feed, $force_update);
2316                         }
2317         }
2318
2319         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2320
2321                 if (!$omode) $omode = "flc";
2322
2323                 getGlobalCounters($link);
2324                 getVirtCounters($link);
2325
2326                 if (strchr($omode, "l")) getLabelCounters($link);
2327                 if (strchr($omode, "f")) getFeedCounters($link, SMART_RPC_COUNTERS, $active_feed);
2328                 if (strchr($omode, "t")) getTagCounters($link);
2329                 if (strchr($omode, "c")) {
2330                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2331                                 getCategoryCounters($link);
2332                         }
2333                 }
2334         }
2335
2336         function getCategoryCounters($link) {
2337                 # two special categories are -1 and -2 (all virtuals; all labels)
2338
2339 /*              $ctr = getCategoryUnread($link, -1);
2340
2341                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>"; */
2342
2343                 $ctr = getCategoryUnread($link, -2);
2344
2345                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
2346
2347                 $age_qpart = getMaxAgeSubquery();
2348
2349                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2350                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2351                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2352                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2353
2354                 while ($line = db_fetch_assoc($result)) {
2355                         $line["cat_id"] = (int) $line["cat_id"];
2356
2357                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
2358                                 $line["unread"]."\"/>";
2359                 }
2360
2361                 /* Special case: NULL category doesn't actually exist in the DB */
2362
2363                 print "<counter type=\"category\" id=\"0\" counter=\"".
2364                         ccache_find($link, 0, $_SESSION["uid"], true)."\"/>";
2365
2366         }
2367
2368         function getCategoryUnread($link, $cat, $owner_uid = false) {
2369
2370                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2371
2372                 if ($cat >= 0) {
2373
2374                         if ($cat != 0) {
2375                                 $cat_query = "cat_id = '$cat'";
2376                         } else {
2377                                 $cat_query = "cat_id IS NULL";
2378                         }
2379
2380                         $age_qpart = getMaxAgeSubquery();
2381
2382                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2383                                         AND owner_uid = " . $owner_uid);
2384
2385                         $cat_feeds = array();
2386                         while ($line = db_fetch_assoc($result)) {
2387                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2388                         }
2389
2390                         if (count($cat_feeds) == 0) return 0;
2391
2392                         $match_part = implode(" OR ", $cat_feeds);
2393
2394                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2395                                 FROM ttrss_user_entries,ttrss_entries
2396                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2397                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2398
2399                         $unread = 0;
2400
2401                         # this needs to be rewritten
2402                         while ($line = db_fetch_assoc($result)) {
2403                                 $unread += $line["unread"];
2404                         }
2405
2406                         return $unread;
2407                 } else if ($cat == -1) {
2408                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
2409                 } else if ($cat == -2) {
2410
2411                         $result = db_query($link, "
2412                                 SELECT COUNT(unread) AS unread FROM
2413                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2414                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2415                                         ttrss_labels2.owner_uid = '$owner_uid'
2416                                         AND unread = true AND feed_id = ttrss_feeds.id
2417                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2418
2419                         $unread = db_fetch_result($result, 0, "unread");
2420
2421                         return $unread;
2422
2423                 }
2424         }
2425
2426         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2427                 if (DB_TYPE == "pgsql") {
2428                         return "ttrss_entries.date_entered >
2429                                 NOW() - INTERVAL '$days days'";
2430                 } else {
2431                         return "ttrss_entries.date_entered >
2432                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2433                 }
2434         }
2435
2436         function getFeedUnread($link, $feed, $is_cat = false) {
2437                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2438         }
2439
2440         function getLabelUnread($link, $label_id, $owner_uid = false) {
2441                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2442
2443                 $result = db_query($link, "
2444                         SELECT COUNT(unread) AS unread FROM
2445                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2446                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2447                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2448                                 AND unread = true AND feed_id = ttrss_feeds.id
2449                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2450
2451                 if (db_num_rows($result) != 0) {
2452                         return db_fetch_result($result, 0, "unread");
2453                 } else {
2454                         return 0;
2455                 }
2456         }
2457
2458         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2459                 $owner_uid = false) {
2460
2461                 $n_feed = (int) $feed;
2462
2463                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2464
2465                 if ($unread_only) {
2466                         $unread_qpart = "unread = true";
2467                 } else {
2468                         $unread_qpart = "true";
2469                 }
2470
2471                 $age_qpart = getMaxAgeSubquery();
2472
2473                 if ($is_cat) {
2474                         return getCategoryUnread($link, $n_feed, $owner_uid);
2475                 } if ($feed != "0" && $n_feed == 0) {
2476
2477                         $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
2478                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2479                                         AND ref_id = id AND $age_qpart
2480                                         AND $unread_qpart)) AS count FROM ttrss_tags
2481                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
2482                         return db_fetch_result($result, 0, "count");
2483
2484                 } else if ($n_feed == -1) {
2485                         $match_part = "marked = true";
2486                 } else if ($n_feed == -2) {
2487                         $match_part = "published = true";
2488                 } else if ($n_feed == -3) {
2489                         $match_part = "unread = true";
2490
2491                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2492
2493                         if (DB_TYPE == "pgsql") {
2494                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2495                         } else {
2496                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2497                         }
2498                 } else if ($n_feed == -4) {
2499                         $match_part = "true";
2500                 } else if ($n_feed >= 0) {
2501
2502                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2503                                         WHERE parent_feed = '$n_feed'
2504                                         AND owner_uid = " . $owner_uid);
2505
2506                         if (db_num_rows($result) > 0) {
2507
2508                                 $linked_feeds = array();
2509                                 while ($line = db_fetch_assoc($result)) {
2510                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2511                                 }
2512
2513                                 array_push($linked_feeds, "feed_id = $n_feed");
2514
2515                                 $match_part = implode(" OR ", $linked_feeds);
2516
2517                                 $tmp_result = db_query($link, "SELECT COUNT(int_id) AS unread
2518                                         FROM ttrss_user_entries,ttrss_entries
2519                                         WHERE   $unread_qpart AND
2520                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2521                                         $age_qpart AND
2522                                         ($match_part) AND
2523                                         owner_uid = " . $owner_uid);
2524
2525                                 $unread = 0;
2526
2527                                 # this needs to be rewritten
2528                                 while ($line = db_fetch_assoc($tmp_result)) {
2529                                         $unread += $line["unread"];
2530                                 }
2531
2532                                 return $unread;
2533
2534                         } else {
2535                                 if ($n_feed != 0) {
2536                                         $match_part = "feed_id = '$n_feed'";
2537                                 } else {
2538                                         $match_part = "feed_id IS NULL";
2539                                 }
2540                         }
2541                 } else if ($feed < -10) {
2542
2543                         $label_id = -$feed - 11;
2544
2545                         return getLabelUnread($link, $label_id, $owner_uid);
2546
2547                 }
2548
2549                 if ($match_part) {
2550
2551                         if ($n_feed != 0) {
2552                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
2553                                 $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2554                         } else {
2555                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
2556                         }
2557
2558                         $query = "SELECT count(int_id) AS unread
2559                                 FROM $from_qpart WHERE
2560                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2561                                 $age_qpart AND
2562                                 $feeds_qpart
2563                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
2564
2565                         $result = db_query($link, $query);
2566
2567                 } else {
2568
2569                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2570                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2571                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2572                                 AND $unread_qpart AND $age_qpart AND
2573                                         ttrss_tags.owner_uid = " . $owner_uid);
2574                 }
2575
2576                 $unread = db_fetch_result($result, 0, "unread");
2577
2578                 return $unread;
2579         }
2580
2581         function getGlobalUnread($link, $user_id = false) {
2582
2583                 if (!$user_id) {
2584                         $user_id = $_SESSION["uid"];
2585                 }
2586
2587                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2588                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2589
2590                 $c_id = db_fetch_result($result, 0, "c_id");
2591
2592                 return $c_id;
2593         }
2594
2595         function getGlobalCounters($link, $global_unread = -1) {
2596                 if ($global_unread == -1) {
2597                         $global_unread = getGlobalUnread($link);
2598                 }
2599                 print "<counter type=\"global\" id='global-unread'
2600                         counter='$global_unread'/>";
2601
2602                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2603                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2604
2605                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2606
2607                 print "<counter type=\"global\" id='subscribed-feeds'
2608                         counter='$subscribed_feeds'/>";
2609
2610         }
2611
2612         function getSubscribedFeeds($link) {
2613                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2614                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2615
2616                 return db_fetch_result($result, 0, "fn");
2617         }
2618
2619         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
2620
2621                 if ($smart_mode) {
2622                         if (!$_SESSION["tctr_last_value"]) {
2623                                 $_SESSION["tctr_last_value"] = array();
2624                         }
2625                 }
2626
2627                 $old_counters = $_SESSION["tctr_last_value"];
2628
2629                 $tctrs_modified = false;
2630
2631                 $age_qpart = getMaxAgeSubquery();
2632
2633                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2634                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2635                                 AND ref_id = id AND $age_qpart
2636                                 AND unread = true)) AS count FROM ttrss_tags
2637                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2638                                 ORDER BY count DESC LIMIT 55");
2639
2640                 $tags = array();
2641
2642                 while ($line = db_fetch_assoc($result)) {
2643                         $tags[$line["tag_name"]] += $line["count"];
2644                 }
2645
2646                 foreach (array_keys($tags) as $tag) {
2647                         $unread = $tags[$tag];
2648
2649                         $tag = htmlspecialchars($tag);
2650
2651                         if (!$smart_mode || $old_counters[$tag] != $unread) {
2652                                 $old_counters[$tag] = $unread;
2653                                 $tctrs_modified = true;
2654                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2655                         }
2656
2657                 }
2658
2659                 if ($smart_mode && $tctrs_modified) {
2660                         $_SESSION["tctr_last_value"] = $old_counters;
2661                 }
2662
2663         }
2664
2665         function getVirtCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2666
2667                 $ret_arr = array();
2668
2669                 for ($i = 0; $i >= -4; $i--) {
2670
2671                         $count = getFeedUnread($link, $i);
2672
2673                         if (!$ret_mode) {
2674
2675                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2676                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $i) . " total)\"";
2677                                 } else {
2678                                         $xmsg_part = "";
2679                                 }
2680
2681                                 print "<counter type=\"label\" id=\"$i\" counter=\"$count\" $xmsg_part/>";
2682                         } else {
2683                                 $ret_arr[$i]["counter"] = $count;
2684                                 $ret_arr[$i]["description"] = getFeedTitle($link, $i);
2685                         }
2686                 }
2687
2688                 return $ret_arr;
2689         }
2690
2691         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2692
2693                 $age_qpart = getMaxAgeSubquery();
2694
2695                 if ($smart_mode) {
2696                         if (!$_SESSION["lctr_last_value"]) {
2697                                 $_SESSION["lctr_last_value"] = array();
2698                         }
2699                 }
2700
2701                 $old_counters = $_SESSION["lctr_last_value"];
2702                 $lctrs_modified = false;
2703
2704
2705                         $owner_uid = $_SESSION["uid"];
2706
2707                         $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2708                                 WHERE owner_uid = '$owner_uid'");
2709
2710                         while ($line = db_fetch_assoc($result)) {
2711
2712                                 $id = -$line["id"] - 11;
2713
2714                                 $label_name = $line["caption"];
2715                                 $count = getFeedUnread($link, $id);
2716
2717                                 if (!$smart_mode || $old_counters[$id] != $count) {
2718                                         $old_counters[$id] = $count;
2719                                         $lctrs_modified = true;
2720                                         if (!$ret_mode) {
2721
2722                                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2723                                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2724                                                 } else {
2725                                                         $xmsg_part = "";
2726                                                 }
2727
2728                                                 print "<counter type=\"label\" id=\"$id\" counter=\"$count\" $xmsg_part/>";
2729                                         } else {
2730                                                 $ret_arr[$id]["counter"] = $count;
2731                                                 $ret_arr[$id]["description"] = $label_name;
2732                                         }
2733                                 }
2734
2735                                 error_reporting (DEFAULT_ERROR_LEVEL);
2736                         }
2737
2738                 if ($smart_mode && $lctrs_modified) {
2739                         $_SESSION["lctr_last_value"] = $old_counters;
2740                 }
2741
2742                 return $ret_arr;
2743         }
2744
2745         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS, $active_feed = false) {
2746
2747                 $age_qpart = getMaxAgeSubquery();
2748
2749                 if ($smart_mode) {
2750                         if (!$_SESSION["fctr_last_value"]) {
2751                                 $_SESSION["fctr_last_value"] = array();
2752                         }
2753                 }
2754
2755                 $old_counters = $_SESSION["fctr_last_value"];
2756
2757                 $query = "SELECT ttrss_feeds.id,
2758                                 ttrss_feeds.title,
2759                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2760                                 last_error, value AS count
2761                         FROM ttrss_feeds, ttrss_counters_cache
2762                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2763                                 AND parent_feed IS NULL
2764                                 AND ttrss_counters_cache.feed_id = id";
2765
2766                 $result = db_query($link, $query);
2767                 $fctrs_modified = false;
2768
2769                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2770
2771                 while ($line = db_fetch_assoc($result)) {
2772
2773                         $id = $line["id"];
2774                         $count = $line["count"];
2775                         $last_error = htmlspecialchars($line["last_error"]);
2776
2777                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2778                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2779                         } else {
2780                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2781                         }
2782
2783                         $last_updated = htmlspecialchars($last_updated);
2784
2785                         $has_img = feed_has_icon($id);
2786
2787                         $tmp_result = db_query($link,
2788                                 "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
2789                                         WHERE parent_feed = '$id' AND feed_id = id");
2790
2791                         $count += db_fetch_result($tmp_result, 0, "unread");
2792
2793                         if (!$smart_mode || $old_counters[$id] != $count) {
2794                                 $old_counters[$id] = $count;
2795                                 $fctrs_modified = true;
2796
2797                                 if ($last_error) {
2798                                         $error_part = "error=\"$last_error\"";
2799                                 } else {
2800                                         $error_part = "";
2801                                 }
2802
2803                                 if ($has_img) {
2804                                         $has_img_part = "hi=\"$has_img\"";
2805                                 } else {
2806                                         $has_img_part = "";
2807                                 }
2808
2809                                 if ($active_feed && $id == $active_feed) {
2810                                         $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2811                                 } else {
2812                                         $has_title_part = "";
2813                                 }
2814
2815                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2816                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2817                                 }
2818
2819                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $xmsg_part $has_title_part/>";
2820                         }
2821                 }
2822
2823                 if ($smart_mode && $fctrs_modified) {
2824                         $_SESSION["fctr_last_value"] = $old_counters;
2825                 }
2826         }
2827
2828         function get_script_dt_add() {
2829 /*              if (strpos(VERSION, ".99") === false) {
2830                         return VERSION;
2831                 } else {
2832                         return time();
2833                 } */
2834                 return time();
2835         }
2836
2837         function get_pgsql_version($link) {
2838                 $result = db_query($link, "SELECT version() AS version");
2839                 $version = split(" ", db_fetch_result($result, 0, "version"));
2840                 return $version[1];
2841         }
2842
2843         function print_error_xml($code, $add_msg = "") {
2844                 global $ERRORS;
2845
2846                 $error_msg = $ERRORS[$code];
2847
2848                 if ($add_msg) {
2849                         $error_msg = "$error_msg; $add_msg";
2850                 }
2851
2852                 print "<rpc-reply>";
2853                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2854                 print "</rpc-reply>";
2855         }
2856
2857         function subscribe_to_feed($link, $url, $cat_id = 0,
2858                         $auth_login = '', $auth_pass = '') {
2859
2860                 $parts = parse_url($url);
2861
2862                 if (!validate_feed_url($url)) return 2;
2863
2864                 if ($parts['scheme'] == 'feed') $parts['scheme'] = 'http';
2865
2866                 $url = make_url_from_parts($parts);
2867
2868                 if ($cat_id == "0" || !$cat_id) {
2869                         $cat_qpart = "NULL";
2870                 } else {
2871                         $cat_qpart = "'$cat_id'";
2872                 }
2873
2874                 $result = db_query($link,
2875                         "SELECT id FROM ttrss_feeds
2876                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
2877
2878                 if (db_num_rows($result) == 0) {
2879
2880                         $result = db_query($link,
2881                                 "INSERT INTO ttrss_feeds
2882                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2883                                 VALUES ('".$_SESSION["uid"]."', '$url',
2884                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2885
2886                         $result = db_query($link,
2887                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
2888                                         AND owner_uid = " . $_SESSION["uid"]);
2889
2890                         $feed_id = db_fetch_result($result, 0, "id");
2891
2892                         if ($feed_id) {
2893                                 update_rss_feed($link, $url, $feed_id, true);
2894                         }
2895
2896                         return 1;
2897                 } else {
2898                         return 0;
2899                 }
2900         }
2901
2902         function print_feed_select($link, $id, $default_id = "",
2903                 $attributes = "", $include_all_feeds = true) {
2904
2905                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2906                 if ($include_all_feeds) {
2907                         print "<option value=\"0\">".__('All feeds')."</option>";
2908                 }
2909
2910                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2911                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2912
2913                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2914                         print "<option disabled>--------</option>";
2915                 }
2916
2917                 while ($line = db_fetch_assoc($result)) {
2918                         if ($line["id"] == $default_id) {
2919                                 $is_selected = "selected";
2920                         } else {
2921                                 $is_selected = "";
2922                         }
2923
2924                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
2925
2926                         printf("<option $is_selected value='%d'>%s</option>",
2927                                 $line["id"], $title);
2928                 }
2929
2930                 print "</select>";
2931         }
2932
2933         function print_feed_cat_select($link, $id, $default_id = "",
2934                 $attributes = "", $include_all_cats = true) {
2935
2936                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2937
2938                 if ($include_all_cats) {
2939                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2940                 }
2941
2942                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2943                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2944
2945                 if (db_num_rows($result) > 0 && $include_all_cats) {
2946                         print "<option disabled>--------</option>";
2947                 }
2948
2949                 while ($line = db_fetch_assoc($result)) {
2950                         if ($line["id"] == $default_id) {
2951                                 $is_selected = "selected";
2952                         } else {
2953                                 $is_selected = "";
2954                         }
2955                         printf("<option $is_selected value='%d'>%s</option>",
2956                                 $line["id"], htmlspecialchars($line["title"]));
2957                 }
2958
2959                 print "</select>";
2960         }
2961
2962         function checkbox_to_sql_bool($val) {
2963                 return ($val == "on") ? "true" : "false";
2964         }
2965
2966         function getFeedCatTitle($link, $id) {
2967                 if ($id == -1) {
2968                         return __("Special");
2969                 } else if ($id < -10) {
2970                         return __("Labels");
2971                 } else if ($id > 0) {
2972                         $result = db_query($link, "SELECT ttrss_feed_categories.title
2973                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2974                                         cat_id = ttrss_feed_categories.id");
2975                         if (db_num_rows($result) == 1) {
2976                                 return db_fetch_result($result, 0, "title");
2977                         } else {
2978                                 return __("Uncategorized");
2979                         }
2980                 } else {
2981                         return "getFeedCatTitle($id) failed";
2982                 }
2983
2984         }
2985
2986         function getFeedIcon($id) {
2987                 switch ($id) {
2988                 case 0:
2989                         return "images/archive.png";
2990                         break;
2991                 case -1:
2992                         return "images/mark_set.png";
2993                         break;
2994                 case -2:
2995                         return "images/pub_set.gif";
2996                         break;
2997                 case -3:
2998                         return "images/fresh.png";
2999                         break;
3000                 case -4:
3001                         return "images/tag.png";
3002                         break;
3003                 default:
3004                         if ($id < -10) {
3005                                 return "images/label.png";
3006                         } else {
3007                                 return ICONS_URL . "/$id.ico";
3008                         }
3009                         break;
3010                 }
3011         }
3012
3013         function getFeedTitle($link, $id) {
3014                 if ($id == -1) {
3015                         return __("Starred articles");
3016                 } else if ($id == -2) {
3017                         return __("Published articles");
3018                 } else if ($id == -3) {
3019                         return __("Fresh articles");
3020                 } else if ($id == -4) {
3021                         return __("All articles");
3022                 } else if ($id === 0 || $id === "0") {
3023                         return __("Archived articles");
3024                 } else if ($id < -10) {
3025                         $label_id = -$id - 11;
3026                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
3027                         if (db_num_rows($result) == 1) {
3028                                 return db_fetch_result($result, 0, "caption");
3029                         } else {
3030                                 return "Unknown label ($label_id)";
3031                         }
3032
3033                 } else if ($id > 0) {
3034                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3035                         if (db_num_rows($result) == 1) {
3036                                 return db_fetch_result($result, 0, "title");
3037                         } else {
3038                                 return "Unknown feed ($id)";
3039                         }
3040                 } else {
3041                         return $id;
3042                 }
3043         }
3044
3045         function get_session_cookie_name() {
3046                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3047         }
3048
3049         function print_init_params($link) {
3050                 print "<init-params>";
3051                 if ($_SESSION["stored-params"]) {
3052                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
3053                                 if ($key) {
3054                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
3055                                         print "<param key=\"$key\" value=\"$value\"/>";
3056                                 }
3057                         }
3058                 }
3059
3060                 print "<param key=\"theme\" value=\"".get_user_theme_path($link)."\"/>";
3061                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
3062                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
3063                 print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
3064
3065                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
3066                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
3067
3068                 print "<param key=\"hide_read_feeds\" value=\"" .
3069                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
3070
3071                 print "<param key=\"enable_feed_cats\" value=\"" .
3072                         (int) get_pref($link, "ENABLE_FEED_CATS") . "\"/>";
3073
3074                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
3075                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
3076
3077                 print "<param key=\"confirm_feed_catchup\" value=\"" .
3078                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
3079
3080                 print "<param key=\"cdm_auto_catchup\" value=\"" .
3081                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
3082
3083                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
3084
3085                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
3086
3087                 print "<param key=\"default_view_mode\" value=\"" .
3088                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
3089
3090                 print "<param key=\"default_view_limit\" value=\"" .
3091                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
3092
3093                 print "<param key=\"default_view_order_by\" value=\"" .
3094                         get_pref($link, "_DEFAULT_VIEW_ORDER_BY") . "\"/>";
3095
3096                 print "<param key=\"prefs_active_tab\" value=\"" .
3097                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
3098
3099                 print "<param key=\"infobox_disable_overlay\" value=\"" .
3100                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
3101
3102                 print "<param key=\"icons_location\" value=\"" .
3103                         ICONS_URL . "\"/>";
3104
3105                 print "<param key=\"hide_read_shows_special\" value=\"" .
3106                         (int) get_pref($link, "HIDE_READ_SHOWS_SPECIAL") . "\"/>";
3107
3108                 print "<param key=\"hide_feedlist\" value=\"" .
3109                         (int) get_pref($link, "HIDE_FEEDLIST") . "\"/>";
3110
3111                 print "<param key=\"bw_limit\" value=\"".
3112                         (int) $_SESSION["bw_limit"]."\"/>";
3113
3114 //              print "<param key=\"sync_counters\" value=\"" .
3115 //                      (int) get_pref($link, "SYNC_COUNTERS") . "\"/>";
3116
3117                 print "<param key=\"sync_counters\" value=\"1\"/>";
3118
3119                 print "<param key=\"offline_enabled\" value=\"".
3120                         (int) get_pref($link, "ENABLE_OFFLINE_READING") . "\"/>";
3121
3122                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3123                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3124
3125                 $num_feeds = db_fetch_result($result, 0, "cf");
3126
3127                 print "<param key=\"num_feeds\" value=\"".
3128                         (int)$num_feeds. "\"/>";
3129
3130                 print "<param key=\"collapsed_feedlist\" value=\"" .
3131                         (int) get_pref($link, "_COLLAPSED_FEEDLIST") . "\"/>";
3132
3133                 print "</init-params>";
3134         }
3135
3136         function print_runtime_info($link) {
3137                 print "<runtime-info>";
3138
3139                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3140                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3141
3142                 $num_feeds = db_fetch_result($result, 0, "cf");
3143
3144                 print "<param key=\"num_feeds\" value=\"".
3145                         (int)$num_feeds. "\"/>";
3146
3147                 if (ENABLE_UPDATE_DAEMON) {
3148                         print "<param key=\"daemon_is_running\" value=\"".
3149                                 (int) file_is_locked("update_daemon.lock") . "\"/>";
3150
3151                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3152
3153                                 $stamp = (int)read_stampfile("update_daemon.stamp");
3154
3155 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
3156
3157                                 if ($stamp) {
3158                                         $stamp_delta = time() - $stamp;
3159
3160                                         if ($stamp_delta > 1800) {
3161                                                 $stamp_check = 0;
3162                                         } else {
3163                                                 $stamp_check = 1;
3164                                                 $_SESSION["daemon_stamp_check"] = time();
3165                                         }
3166
3167                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
3168
3169                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3170
3171                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
3172                                 }
3173                         }
3174                 }
3175
3176                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3177
3178                         if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3179                                 $new_version_details = check_for_update($link);
3180
3181                                 print "<param key=\"new_version_available\" value=\"".
3182                                         sprintf("%d", $new_version_details != ""). "\"/>";
3183
3184                                 $_SESSION["last_version_check"] = time();
3185                         }
3186                 }
3187
3188 //              print "<param key=\"new_version_available\" value=\"1\"/>";
3189
3190                 print "</runtime-info>";
3191         }
3192
3193         function getSearchSql($search, $match_on) {
3194
3195                 $search_query_part = "";
3196
3197                 $keywords = split(" ", $search);
3198                 $query_keywords = array();
3199
3200                 if ($match_on == "both") {
3201
3202                         foreach ($keywords as $k) {
3203                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
3204                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3205                         }
3206
3207                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3208
3209                 } else if ($match_on == "title") {
3210
3211                         foreach ($keywords as $k) {
3212                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
3213                         }
3214
3215                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3216
3217                 } else if ($match_on == "content") {
3218
3219                         foreach ($keywords as $k) {
3220                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3221                         }
3222                 }
3223
3224                 $search_query_part = implode("AND", $query_keywords);
3225
3226                 return $search_query_part;
3227         }
3228
3229         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3230
3231                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3232
3233                         if ($search) {
3234
3235                                 $search_query_part = getSearchSql($search, $match_on);
3236                                 $search_query_part .= " AND ";
3237
3238                         } else {
3239                                 $search_query_part = "";
3240                         }
3241
3242                         $view_query_part = "";
3243
3244                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3245                                 if ($search) {
3246                                         $view_query_part = " ";
3247                                 } else if ($feed != -1) {
3248                                         $unread = getFeedUnread($link, $feed, $cat_view);
3249                                         if ($unread > 0) {
3250                                                 $view_query_part = " unread = true AND ";
3251                                         }
3252                                 }
3253                         }
3254
3255                         if ($view_mode == "marked") {
3256                                 $view_query_part = " marked = true AND ";
3257                         }
3258
3259                         if ($view_mode == "unread") {
3260                                 $view_query_part = " unread = true AND ";
3261                         }
3262
3263                         if ($view_mode == "updated") {
3264                                 $view_query_part = " (last_read is null and unread = false) AND ";
3265                         }
3266
3267                         if ($limit > 0) {
3268                                 $limit_query_part = "LIMIT " . $limit;
3269                         }
3270
3271                         $vfeed_query_part = "";
3272
3273                         // override query strategy and enable feed display when searching globally
3274                         if ($search && $search_mode == "all_feeds") {
3275                                 $query_strategy_part = "ttrss_entries.id > 0";
3276                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3277                         /* tags */
3278                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3279                                 $query_strategy_part = "ttrss_entries.id > 0";
3280                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3281                                         id = feed_id) as feed_title,";
3282                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
3283
3284                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3285
3286                                 $tmp_result = false;
3287
3288                                 if ($cat_view) {
3289                                         $tmp_result = db_query($link, "SELECT id
3290                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3291                                 } else {
3292                                         $tmp_result = db_query($link, "SELECT id
3293                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3294                                                         WHERE id = '$feed') AND id != '$feed'");
3295                                 }
3296
3297                                 $cat_siblings = array();
3298
3299                                 if (db_num_rows($tmp_result) > 0) {
3300                                         while ($p = db_fetch_assoc($tmp_result)) {
3301                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3302                                         }
3303
3304                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3305                                                 $feed, implode(" OR ", $cat_siblings));
3306
3307                                 } else {
3308                                         $query_strategy_part = "ttrss_entries.id > 0";
3309                                 }
3310
3311                         } else if ($feed > 0) {
3312
3313                                 if ($cat_view) {
3314
3315                                         if ($feed > 0) {
3316                                                 $query_strategy_part = "cat_id = '$feed'";
3317                                         } else {
3318                                                 $query_strategy_part = "cat_id IS NULL";
3319                                         }
3320
3321                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3322
3323                                 } else {
3324                                         $tmp_result = db_query($link, "SELECT id
3325                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3326                                                 ORDER BY cat_id,title");
3327
3328                                         $parent_ids = array();
3329
3330                                         if (db_num_rows($tmp_result) > 0) {
3331                                                 while ($p = db_fetch_assoc($tmp_result)) {
3332                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3333                                                 }
3334
3335                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3336                                                         $feed, implode(" OR ", $parent_ids));
3337
3338                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3339                                         } else {
3340                                                 $query_strategy_part = "feed_id = '$feed'";
3341                                         }
3342                                 }
3343                         } else if ($feed == 0) { // starred virtual feed
3344                                 $query_strategy_part = "feed_id IS NULL";
3345                         } else if ($feed == -1) { // starred virtual feed
3346                                 $query_strategy_part = "marked = true";
3347                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3348                         } else if ($feed == -2) { // published virtual feed OR labels category
3349
3350                                 if (!$cat_view) {
3351                                         $query_strategy_part = "published = true";
3352                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3353                                 } else {
3354                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3355
3356                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3357
3358                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3359                                                 ttrss_user_labels2.article_id = ref_id";
3360
3361                                 }
3362
3363                         } else if ($feed == -3) { // fresh virtual feed
3364                                 $query_strategy_part = "unread = true";
3365
3366                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3367
3368                                 if (DB_TYPE == "pgsql") {
3369                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3370                                 } else {
3371                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3372                                 }
3373
3374                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3375                         } else if ($feed == -4) { // all articles virtual feed
3376                                 $query_strategy_part = "true";
3377                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3378                         } else if ($feed <= -10) { // labels
3379                                 $label_id = -$feed - 11;
3380
3381                                 $query_strategy_part = "label_id = '$label_id' AND
3382                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3383                                         ttrss_user_labels2.article_id = ref_id";
3384
3385                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3386                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3387
3388                         } else {
3389                                 $query_strategy_part = "id > 0"; // dumb
3390                         }
3391
3392                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3393                                 $order_by = "updated";
3394                         } else {
3395                                 $order_by = "updated DESC";
3396                         }
3397
3398                         if ($view_mode != "noscores") {
3399                                 $order_by = "score DESC, $order_by";
3400                         }
3401
3402                         if ($override_order) {
3403                                 $order_by = $override_order;
3404                         }
3405
3406                         $feed_title = "";
3407
3408                         if ($search) {
3409                                 $feed_title = "Search results";
3410                         } else {
3411                                 if ($cat_view) {
3412                                         $feed_title = getCategoryTitle($link, $feed);
3413                                 } else {
3414                                         if ((int)$feed == $feed && $feed > 0) {
3415                                                 $result = db_query($link, "SELECT title,site_url,last_error
3416                                                         FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
3417
3418                                                 $feed_title = db_fetch_result($result, 0, "title");
3419                                                 $feed_site_url = db_fetch_result($result, 0, "site_url");
3420                                                 $last_error = db_fetch_result($result, 0, "last_error");
3421                                         } else {
3422                                                 $feed_title = getFeedTitle($link, $feed);
3423                                         }
3424                                 }
3425                         }
3426
3427                         $content_query_part = "content as content_preview,";
3428
3429                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3430
3431                                 if ($feed >= 0) {
3432                                         $feed_kind = "Feeds";
3433                                 } else {
3434                                         $feed_kind = "Labels";
3435                                 }
3436
3437                                 if ($limit_query_part) {
3438                                         $offset_query_part = "OFFSET $offset";
3439                                 }
3440
3441                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3442                                         if (!$override_order) {
3443                                                 $order_by = "ttrss_feeds.title, $order_by";
3444                                         }
3445                                 }
3446
3447                                 if ($feed != "0") {
3448                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
3449                                         $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
3450
3451                                 } else {
3452                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
3453                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
3454                                 }
3455
3456                                 $query = "SELECT DISTINCT
3457                                                 guid,
3458                                                 ttrss_entries.id,ttrss_entries.title,
3459                                                 updated,
3460                                                 note,
3461                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
3462                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3463                                                 $vfeed_query_part
3464                                                 $content_query_part
3465                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3466                                                 author,score
3467                                         FROM
3468                                                 $from_qpart
3469                                         WHERE
3470                                         $group_limit_part
3471                                         $feed_check_qpart
3472                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3473                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3474                                         $search_query_part
3475                                         $view_query_part
3476                                         $query_strategy_part ORDER BY $order_by
3477                                         $limit_query_part $offset_query_part";
3478
3479                                 if ($_REQUEST["debug"]) print $query;
3480
3481                                 $result = db_query($link, $query);
3482
3483                         } else {
3484                                 // browsing by tag
3485
3486                                 $feed_kind = "Tags";
3487
3488                                 $result = db_query($link, "SELECT
3489                                         guid,
3490                                         note,
3491                                         ttrss_entries.id as id,title,
3492                                         updated,
3493                                         unread,feed_id,orig_feed_id,
3494                                         marked,link,last_read,
3495                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3496                                         $vfeed_query_part
3497                                         $content_query_part
3498                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3499                                         score
3500                                         FROM
3501                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3502                                         WHERE
3503                                                 ref_id = ttrss_entries.id AND
3504                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3505                                                 post_int_id = int_id AND tag_name = '$feed' AND
3506                                                 $view_query_part
3507                                                 $search_query_part
3508                                                 $query_strategy_part ORDER BY $order_by
3509                                         $limit_query_part");
3510                         }
3511
3512                         return array($result, $feed_title, $feed_site_url, $last_error);
3513
3514         }
3515
3516         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3517                 $limit, $search, $search_mode, $match_on) {
3518
3519                 $note_style =   "float : right; background-color : #fff7d5; border-width : 1px; ".
3520                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3521                         "margin-bottom : 1em; color : #9a8c59;";
3522
3523                 if (!$limit) $limit = 30;
3524
3525                 $qfh_ret = queryFeedHeadlines($link, $feed,
3526                         $limit, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3527                         $owner_uid);
3528
3529                 $result = $qfh_ret[0];
3530                 $feed_title = htmlspecialchars($qfh_ret[1]);
3531                 $feed_site_url = $qfh_ret[2];
3532                 $last_error = $qfh_ret[3];
3533
3534 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3535
3536                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3537                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3538                         <rss version=\"2.0\">
3539                         <channel>
3540                         <title>$feed_title</title>
3541                         <link>$feed_site_url</link>
3542                         <description>Feed generated by Tiny Tiny RSS</description>";
3543
3544                 while ($line = db_fetch_assoc($result)) {
3545                         print "<item>";
3546                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3547                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3548
3549                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3550
3551                         foreach ($tags as $tag) {
3552                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3553                         }
3554
3555                         $rfc822_date = date('r', strtotime($line["updated"]));
3556
3557                         print "<pubDate>$rfc822_date</pubDate>";
3558
3559                         print "<title>" .
3560                                 htmlspecialchars($line["title"]) . "</title>";
3561
3562                         print "<description><![CDATA[";
3563
3564                         if ($line["note"]) {
3565                                 print "<div style='$note_style'>";
3566                                 print $line["note"];
3567                                 print "</div>";
3568                         }
3569
3570                         print sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3571                         print "]]></description>";
3572
3573                         print "</item>";
3574                 }
3575
3576                 print "</channel></rss>";
3577
3578         }
3579
3580         function getCategoryTitle($link, $cat_id) {
3581
3582                 if ($cat_id == -1) {
3583                         return __("Special");
3584                 } else if ($cat_id == -2) {
3585                         return __("Labels");
3586                 } else {
3587
3588                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3589                                 id = '$cat_id'");
3590
3591                         if (db_num_rows($result) == 1) {
3592                                 return db_fetch_result($result, 0, "title");
3593                         } else {
3594                                 return "Uncategorized";
3595                         }
3596                 }
3597         }
3598
3599         function strip_tags_long($string, $allowed) {
3600
3601                 $config = HTMLPurifier_Config::createDefault();
3602
3603                 $config->set('HTML', 'Allowed', $allowed);
3604                 $purifier = new HTMLPurifier($config);
3605
3606                 return $purifier->purify($string);
3607
3608         }
3609
3610         // http://ru2.php.net/strip-tags
3611
3612 /*      function strip_tags_long($textstring, $allowed){
3613         while($textstring != strip_tags($textstring, $allowed))
3614     {
3615     while (strlen($textstring) != 0)
3616          {
3617          if (strlen($textstring) > 1024) {
3618               $otherlen = 1024;
3619          } else {
3620               $otherlen = strlen($textstring);
3621          }
3622          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3623          $safetext .= $temptext;
3624          $textstring = substr_replace($textstring,'',0,$otherlen);
3625          }
3626     $textstring = $safetext;
3627     }
3628         return $textstring;
3629 } */
3630
3631
3632         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false) {
3633                 $res = $str;
3634
3635                 if (!$owner) $owner = $_SESSION["uid"];
3636
3637                 if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3638
3639 //                      $res = strip_tags_long($res,
3640 //                              "<p><a><i><em><b><strong><code><pre><blockquote><br><img><ul><ol><li>");
3641
3642                         $res = strip_tags_long($res,
3643                                 "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4");
3644
3645                 }
3646
3647                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3648                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3649                 }
3650
3651                 if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
3652                         $res = preg_replace("/href=/i", "target=\"_blank\" href=", $res);
3653                 }
3654
3655                 return $res;
3656         }
3657
3658         /**
3659          * Send by mail a digest of last articles.
3660          *
3661          * @param mixed $link The database connection.
3662          * @param integer $limit The maximum number of articles by digest.
3663          * @return boolean Return false if digests are not enabled.
3664          */
3665         function send_headlines_digests($link, $limit = 100) {
3666
3667                 if (!DIGEST_ENABLE) return false;
3668
3669                 $user_limit = DIGEST_EMAIL_LIMIT;
3670                 $days = 1;
3671
3672                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3673
3674                 if (DB_TYPE == "pgsql") {
3675                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3676                 } else if (DB_TYPE == "mysql") {
3677                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3678                 }
3679
3680                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3681                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3682
3683                 while ($line = db_fetch_assoc($result)) {
3684
3685                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3686                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3687
3688                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3689
3690                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3691                                 $digest = $tuple[0];
3692                                 $headlines_count = $tuple[1];
3693                                 $affected_ids = $tuple[2];
3694                                 $digest_text = $tuple[3];
3695
3696                                 if ($headlines_count > 0) {
3697
3698                                         $mail = new PHPMailer();
3699
3700                                         $mail->PluginDir = "lib/phpmailer/";
3701                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3702
3703                                         $mail->CharSet = "UTF-8";
3704
3705                                         $mail->From = DIGEST_FROM_ADDRESS;
3706                                         $mail->FromName = DIGEST_FROM_NAME;
3707                                         $mail->AddAddress($line["email"], $line["login"]);
3708
3709                                         if (DIGEST_SMTP_HOST) {
3710                                                 $mail->Host = DIGEST_SMTP_HOST;
3711                                                 $mail->Mailer = "smtp";
3712                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3713                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3714                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3715                                         }
3716
3717                                         $mail->IsHTML(true);
3718                                         $mail->Subject = DIGEST_SUBJECT;
3719                                         $mail->Body = $digest;
3720                                         $mail->AltBody = $digest_text;
3721
3722                                         $rc = $mail->Send();
3723
3724                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3725
3726                                         print "RC=$rc\n";
3727
3728                                         if ($rc && $do_catchup) {
3729                                                 print "Marking affected articles as read...\n";
3730                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3731                                         }
3732
3733                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3734                                                         WHERE id = " . $line["id"]);
3735                                 } else {
3736                                         print "No headlines\n";
3737                                 }
3738                         }
3739                 }
3740
3741                 print "All done.\n";
3742
3743         }
3744
3745         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3746
3747                 require_once "lib/MiniTemplator.class.php";
3748
3749                 $tpl = new MiniTemplator;
3750                 $tpl_t = new MiniTemplator;
3751
3752                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3753                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3754
3755                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3756                 $tpl->setVariable('CUR_TIME', date('G:i'));
3757
3758                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3759                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3760
3761                 $affected_ids = array();
3762
3763                 if (DB_TYPE == "pgsql") {
3764                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3765                 } else if (DB_TYPE == "mysql") {
3766                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3767                 }
3768
3769                 $result = db_query($link, "SELECT ttrss_entries.title,
3770                                 ttrss_feeds.title AS feed_title,
3771                                 date_entered,
3772                                 ttrss_user_entries.ref_id,
3773                                 link,
3774                                 SUBSTRING(content, 1, 120) AS excerpt,
3775                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3776                         FROM
3777                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3778                         WHERE
3779                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3780                                 AND include_in_digest = true
3781                                 AND $interval_query
3782                                 AND ttrss_user_entries.owner_uid = $user_id
3783                                 AND unread = true
3784                         ORDER BY ttrss_feeds.title, date_entered DESC
3785                         LIMIT $limit");
3786
3787                 $cur_feed_title = "";
3788
3789                 $headlines_count = db_num_rows($result);
3790
3791                 $headlines = array();
3792
3793                 while ($line = db_fetch_assoc($result)) {
3794                         array_push($headlines, $line);
3795                 }
3796
3797                 for ($i = 0; $i < sizeof($headlines); $i++) {
3798
3799                         $line = $headlines[$i];
3800
3801                         array_push($affected_ids, $line["ref_id"]);
3802
3803                         $updated = smart_date_time(strtotime($line["last_updated"]));
3804
3805                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3806                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3807                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3808                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3809                         $tpl->setVariable('ARTICLE_EXCERPT',
3810                                 truncate_string(strip_tags($line["excerpt"]), 100));
3811
3812                         $tpl->addBlock('article');
3813
3814                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3815                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3816                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3817                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3818 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3819 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3820
3821                         $tpl_t->addBlock('article');
3822
3823                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3824                                 $tpl->addBlock('feed');
3825                                 $tpl_t->addBlock('feed');
3826                         }
3827
3828                 }
3829
3830                 $tpl->addBlock('digest');
3831                 $tpl->generateOutputToString($tmp);
3832
3833                 $tpl_t->addBlock('digest');
3834                 $tpl_t->generateOutputToString($tmp_t);
3835
3836                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3837         }
3838
3839         function check_for_update($link) {
3840                 $releases_feed = "http://tt-rss.org/releases.rss";
3841
3842                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3843                         return;
3844                 }
3845
3846                 error_reporting(0);
3847                 if (ENABLE_SIMPLEPIE) {
3848                         $rss = new SimplePie();
3849                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3850 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3851                         $rss->set_feed_url($fetch_url);
3852                         $rss->set_output_encoding('UTF-8');
3853                         $rss->init();
3854                 } else {
3855                         $rss = fetch_rss($releases_feed);
3856                 }
3857                 error_reporting (DEFAULT_ERROR_LEVEL);
3858
3859                 if ($rss) {
3860
3861                         if (ENABLE_SIMPLEPIE) {
3862                                 $items = $rss->get_items();
3863                         } else {
3864                                 $items = $rss->items;
3865
3866                                 if (!$items || !is_array($items)) $items = $rss->entries;
3867                                 if (!$items || !is_array($items)) $items = $rss;
3868                         }
3869
3870                         if (!is_array($items) || count($items) == 0) {
3871                                 return;
3872                         }
3873
3874                         $latest_item = $items[0];
3875
3876                         if (ENABLE_SIMPLEPIE) {
3877                                 $last_title = $latest_item->get_title();
3878                         } else {
3879                                 $last_title = $latest_item["title"];
3880                         }
3881
3882                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3883
3884                         if (ENABLE_SIMPLEPIE) {
3885                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3886                                 $content = sanitize_rss($link, $latest_item->get_description());
3887                         } else {
3888                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3889                                 $content = sanitize_rss($link, $latest_item["description"]);
3890                         }
3891
3892                         if (version_compare(VERSION, $latest_version) == -1) {
3893                                 return sprintf("New version of Tiny-Tiny RSS (%s) is available:",
3894                                         $latest_version)."<div class='milestoneDetails'>$content</div>";
3895                         } else {
3896                                 return false;
3897                         }
3898                 }
3899         }
3900
3901         function markArticlesById($link, $ids, $cmode) {
3902
3903                 $tmp_ids = array();
3904
3905                 foreach ($ids as $id) {
3906                         array_push($tmp_ids, "ref_id = '$id'");
3907                 }
3908
3909                 $ids_qpart = join(" OR ", $tmp_ids);
3910
3911                 if ($cmode == 0) {
3912                         db_query($link, "UPDATE ttrss_user_entries SET
3913                         marked = false,last_read = NOW()
3914                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3915                 } else if ($cmode == 1) {
3916                         db_query($link, "UPDATE ttrss_user_entries SET
3917                         marked = true
3918                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3919                 } else {
3920                         db_query($link, "UPDATE ttrss_user_entries SET
3921                         marked = NOT marked,last_read = NOW()
3922                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3923                 }
3924         }
3925
3926         function publishArticlesById($link, $ids, $cmode) {
3927
3928                 $tmp_ids = array();
3929
3930                 foreach ($ids as $id) {
3931                         array_push($tmp_ids, "ref_id = '$id'");
3932                 }
3933
3934                 $ids_qpart = join(" OR ", $tmp_ids);
3935
3936                 if ($cmode == 0) {
3937                         db_query($link, "UPDATE ttrss_user_entries SET
3938                         published = false,last_read = NOW()
3939                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3940                 } else if ($cmode == 1) {
3941                         db_query($link, "UPDATE ttrss_user_entries SET
3942                         published = true
3943                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3944                 } else {
3945                         db_query($link, "UPDATE ttrss_user_entries SET
3946                         published = NOT published,last_read = NOW()
3947                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3948                 }
3949         }
3950
3951         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
3952
3953                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3954
3955                 $tmp_ids = array();
3956
3957                 foreach ($ids as $id) {
3958                         array_push($tmp_ids, "ref_id = '$id'");
3959                 }
3960
3961                 $ids_qpart = join(" OR ", $tmp_ids);
3962
3963                 if ($cmode == 0) {
3964                         db_query($link, "UPDATE ttrss_user_entries SET
3965                         unread = false,last_read = NOW()
3966                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3967                 } else if ($cmode == 1) {
3968                         db_query($link, "UPDATE ttrss_user_entries SET
3969                         unread = true
3970                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3971                 } else {
3972                         db_query($link, "UPDATE ttrss_user_entries SET
3973                         unread = NOT unread,last_read = NOW()
3974                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3975                 }
3976
3977                 /* update ccache */
3978
3979                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
3980                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3981
3982                 while ($line = db_fetch_assoc($result)) {
3983                         ccache_update($link, $line["feed_id"], $owner_uid);
3984                 }
3985         }
3986
3987         function catchupArticleById($link, $id, $cmode) {
3988
3989                 if ($cmode == 0) {
3990                         db_query($link, "UPDATE ttrss_user_entries SET
3991                         unread = false,last_read = NOW()
3992                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3993                 } else if ($cmode == 1) {
3994                         db_query($link, "UPDATE ttrss_user_entries SET
3995                         unread = true
3996                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3997                 } else {
3998                         db_query($link, "UPDATE ttrss_user_entries SET
3999                         unread = NOT unread,last_read = NOW()
4000                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4001                 }
4002
4003                 $feed_id = getArticleFeed($link, $id);
4004                 ccache_update($link, $feed_id, $_SESSION["uid"]);
4005         }
4006
4007         function make_guid_from_title($title) {
4008                 return preg_replace("/[ \"\',.:;]/", "-",
4009                         mb_strtolower(strip_tags($title), 'utf-8'));
4010         }
4011
4012         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4013                         $feed_id, $is_cat, $search, $match_on,
4014                         $search_mode) {
4015
4016                         print "<div class=\"headlinesSubToolbar\">";
4017
4018                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
4019                         $page_next_link = "javascript:viewFeedGoPage(1)";
4020                         $page_first_link = "javascript:viewFeedGoPage(0)";
4021
4022                         $catchup_page_link = "javascript:catchupPage()";
4023                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
4024                         $catchup_sel_link = "javascript:catchupSelection()";
4025
4026                         $archive_sel_link = "javascript:archiveSelection()";
4027                         $delete_sel_link = "javascript:deleteSelection()";
4028
4029                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4030
4031                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
4032                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
4033                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
4034                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4035
4036                                 $tog_unread_link = "javascript:selectionToggleUnread()";
4037                                 $tog_marked_link = "javascript:selectionToggleMarked()";
4038                                 $tog_published_link = "javascript:selectionTogglePublished()";
4039
4040                         } else {
4041
4042                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
4043                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
4044                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
4045
4046                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4047
4048                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
4049                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
4050                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
4051
4052                         }
4053
4054                         print "<div id=\"subtoolbar_ftitle\">";
4055
4056                         if ($feed_site_url) {
4057                                 if (!$bottom) {
4058                                         $target = "target=\"_blank\"";
4059                                 }
4060                                 print "<a $target href=\"$feed_site_url\">".
4061                                         truncate_string($feed_title,30)."</a>";
4062                         } else {
4063                                 if ($feed_id < -10) {
4064                                         $label_id = -11-$feed_id;
4065
4066                                         $result = db_query($link, "SELECT fg_color, bg_color
4067                                                 FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
4068                                                 $_SESSION["uid"]);
4069
4070                                         if (db_num_rows($result) != 0) {
4071                                                 $fg_color = db_fetch_result($result, 0, "fg_color");
4072                                                 $bg_color = db_fetch_result($result, 0, "bg_color");
4073
4074                                                 print "<span style='background : $bg_color; color : $fg_color'>";
4075                                                 print $feed_title;
4076                                                 print "</span>";
4077                                         } else {
4078                                                 print $feed_title;
4079                                         }
4080
4081                                 } else {
4082                                         print $feed_title;
4083                                 }
4084                         }
4085
4086                         if ($search) {
4087                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4088                         }
4089
4090                         print "
4091                                 <a target=\"_blank\"
4092                                         href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
4093                                         <img class=\"noborder\"
4094                                                 alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
4095                                                 </a>";
4096
4097                         print "</div>";
4098
4099                         print __('Select:')."
4100                                 <a href=\"$sel_all_link\">".__('All')."</a>,
4101                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
4102                                 <a href=\"$sel_inv_link\">".__('Invert')."</a>,
4103                                 <a href=\"$sel_none_link\">".__('None')."</a></li>";
4104
4105                         print "&nbsp;&nbsp;";
4106
4107                         print "<span
4108                                 onmouseover=\"enable_selection(false)\"
4109             onmouseout=\"enable_selection(true)\"
4110                                 onclick=\"toggleHeadlineActions()\" id=\"headlineActionsDrop\">".
4111                                 __("Actions...") . "&nbsp;&nbsp;<img width='11' height'7'
4112                                 src=\"images/down_arrow.png\">
4113                                 </span>";
4114
4115                         print "<ul id=\"headlineActionsBody\" style=\"display : none\">";
4116
4117                         print "<li class=\"insensitive\">".__('Selection toggle:')."</li>
4118                                 <li onclick=\"$tog_unread_link\">&nbsp;&nbsp;".__('Unread')."</li>
4119                                 <li onclick=\"$tog_marked_link\">&nbsp;&nbsp;".__('Starred')."</li>
4120                                 <li onclick=\"$tog_published_link\">&nbsp;&nbsp;".__('Published')."</li>
4121                                 <li class=\"insensitive\">".__('Selection:')."</li>
4122                                 <li onclick=\"$catchup_sel_link\">&nbsp;&nbsp;".__('Mark as read')."</li>";
4123
4124 //                      print "<li onclick=\"$catchup_feed_link\">&nbsp;&nbsp;".__('Entire feed').
4125 //                              "</li>";
4126
4127                         if ($feed_id != "0") {
4128                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Archive')."</li>";
4129                         } else {
4130                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Move back')."</li>";
4131                                 print "<li onclick=\"$delete_sel_link\">&nbsp;&nbsp;".__('Delete')."</li>";
4132
4133                         }
4134
4135                         //print "<li><span class=\"insensitive\">--------</span></li>";
4136                         print "<li class=\"insensitive\">".__('Assign label:')."</li>";
4137
4138                         print_labels_headlines_dropdown($link, $feed_id);
4139
4140                         print "</ul>";
4141
4142                         print "</div>";
4143                 }
4144
4145         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
4146
4147                         $tmp_category = getCategoryTitle($link, $cat_id);
4148
4149                         if ($cat_id > 0) {
4150                                 $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
4151                         } else if ($cat_id == 0 || $cat_id == -2) {
4152                                 $cat_unread = getCategoryUnread($link, $cat_id);
4153                         }
4154
4155                         if ($hidden) {
4156                                 $holder_style = "display:none;";
4157                                 $ellipsis = "…";
4158                         } else {
4159                                 $holder_style = "";
4160                                 $ellipsis = "";
4161                         }
4162
4163                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4164
4165                         if ($can_browse) {
4166                                 $browse_cat_link = "onclick=\"javascript:viewCategory($cat_id)\"";
4167                                 $inner_title_class = "catTitle";
4168                         } else {
4169                                 $browse_cat_link = "";
4170                                 $inner_title_class = "catTitleNL";
4171                         }
4172
4173                         $cat_class = "feedCat";
4174
4175                         print "<li class=\"$cat_class\" id=\"FCAT-$cat_id\">
4176                                 <img onclick=\"toggleCollapseCat($cat_id)\" class=\"catCollapse\"
4177                                         title=\"".__('Click to collapse category')."\"
4178                                         src=\"images/cat-collapse.png\"><span class=\"$inner_title_class\"
4179                                         id=\"FCATN-$cat_id\" $browse_cat_link/>$tmp_category</span>";
4180
4181                         print "<span id=\"FCAP-$cat_id\">";
4182
4183                         print " <span id=\"FCATCTR-$cat_id\"
4184                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4185
4186                         print "</span>";
4187
4188                         //print "</li>";
4189
4190                         print "<ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4191
4192         }
4193
4194         function outputFeedList($link, $tags = false) {
4195
4196                 print "<ul class=\"feedList\" id=\"feedList\">";
4197
4198                 $owner_uid = $_SESSION["uid"];
4199
4200                 /* virtual feeds */
4201
4202                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4203
4204                         $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4205
4206                         printCategoryHeader($link, -1, $cat_hidden, false);
4207                 }
4208
4209                 foreach (array(-4, -3, -1, -2, 0) as $i) {
4210                         printFeedEntry($i, "virt", false, false,
4211                                 false, $link);
4212                 }
4213
4214                 if (get_pref($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, $label_id);
4240
4241                                         printFeedEntry($label_id,
4242                                                 "label", $line["caption"],
4243                                                 $count, false, $link,
4244                                                 false, false, false,
4245                                                 $line['fg_color'], $line['bg_color']);
4246
4247                                 }
4248
4249                                 if (db_num_rows($result) > 0) {
4250                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4251                                                 print "</ul>";
4252                                         }
4253                                 }
4254
4255
4256                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4257                                 print "<li><hr></li>";
4258                         }
4259
4260                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4261                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4262                                         $order_by_qpart = "order_id,category,unread DESC,title";
4263                                 } else {
4264                                         $order_by_qpart = "order_id,category,title";
4265                                 }
4266                         } else {
4267                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4268                                         $order_by_qpart = "unread DESC,title";
4269                                 } else {
4270                                         $order_by_qpart = "title";
4271                                 }
4272                         }
4273
4274                         $age_qpart = getMaxAgeSubquery();
4275
4276                         $query = "SELECT ttrss_feeds.*,
4277                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4278                                 cat_id,last_error,
4279                                 ttrss_feed_categories.title AS category,
4280                                 ttrss_feed_categories.collapsed,
4281                                 value AS unread
4282                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4283                                         ON (ttrss_feed_categories.id = cat_id)
4284                                 LEFT JOIN ttrss_counters_cache
4285                                         ON
4286                                                 (ttrss_feeds.id = feed_id)
4287                                 WHERE
4288                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4289                                 ORDER BY $order_by_qpart";
4290
4291                         $result = db_query($link, $query);
4292
4293                         $actid = $_REQUEST["actid"];
4294
4295                         /* real feeds */
4296
4297                         $lnum = 0;
4298
4299                         $total_unread = 0;
4300
4301                         $category = "";
4302
4303                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4304
4305                         while ($line = db_fetch_assoc($result)) {
4306
4307                                 $feed = htmlspecialchars(trim($line["title"]));
4308
4309                                 if (!$feed) $feed = "[Untitled]";
4310
4311                                 $feed_id = $line["id"];
4312                                 $unread = $line["unread"];
4313
4314                                 $subop = $_REQUEST["subop"];
4315
4316                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4317                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4318                                 } else {
4319                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4320                                 }
4321
4322                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4323
4324                                 if ($rtl_content) {
4325                                         $rtl_tag = "dir=\"RTL\"";
4326                                 } else {
4327                                         $rtl_tag = "";
4328                                 }
4329
4330                                 $tmp_result = db_query($link,
4331                                         "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
4332                                                 WHERE parent_feed = '$feed_id' AND feed_id = id");
4333
4334                                 $unread += db_fetch_result($tmp_result, 0, "unread");
4335
4336                                 $cat_id = $line["cat_id"];
4337
4338                                 $tmp_category = $line["category"];
4339
4340                                 if (!$tmp_category) {
4341                                         $tmp_category = __("Uncategorized");
4342                                 }
4343
4344         //                      $class = ($lnum % 2) ? "even" : "odd";
4345
4346                                 if ($line["last_error"]) {
4347                                         $class = "error";
4348                                 } else {
4349                                         $class = "feed";
4350                                 }
4351
4352                                 if ($actid == $feed_id) {
4353                                         $class .= "Selected";
4354                                 }
4355
4356                                 $total_unread += $unread;
4357
4358                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4359
4360                                         if ($category) {
4361                                                 print "</ul></li>";
4362                                         }
4363
4364                                         $category = $tmp_category;
4365
4366                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4367
4368                                         // workaround for NULL category
4369                                         if ($category == __("Uncategorized")) {
4370                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4371                                         }
4372
4373                                         $cat_id = (int) $cat_id;
4374
4375                                         printCategoryHeader($link, $cat_id, $collapsed, true);
4376
4377                                 }
4378
4379                                 printFeedEntry($feed_id, $class, $feed, $unread,
4380                                         false, $link, $rtl_content,
4381                                         $last_updated, $line["last_error"]);
4382
4383                                 ++$lnum;
4384                         }
4385
4386                         if (db_num_rows($result) == 0) {
4387                                 print "<li>".__('No feeds to display.')."</li>";
4388                         }
4389
4390                 } else {
4391
4392                         // tags
4393
4394 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4395                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4396                                 post_int_id = ttrss_user_entries.int_id AND
4397                                 unread = true AND ref_id = ttrss_entries.id
4398                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4399                         UNION
4400                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4401                         ORDER BY tag_name"); */
4402
4403                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4404                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4405                                 print "<ul class=\"feedCatList\">";
4406                         }
4407
4408                         $age_qpart = getMaxAgeSubquery();
4409
4410                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4411                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4412                                         AND ref_id = id AND $age_qpart
4413                                         AND unread = true)) AS count FROM ttrss_tags
4414                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4415                                         ORDER BY count DESC LIMIT 50");
4416
4417                         $tags = array();
4418
4419                         while ($line = db_fetch_assoc($result)) {
4420                                 $tags[$line["tag_name"]] += $line["count"];
4421                         }
4422
4423                         foreach (array_keys($tags) as $tag) {
4424
4425                                 $unread = $tags[$tag];
4426                                 $class = "tag";
4427
4428                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4429
4430                         }
4431
4432                         if (db_num_rows($result) == 0) {
4433                                 print "<li>No tags to display.</li>";
4434                         }
4435
4436                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4437                                 print "</ul>";
4438                         }
4439
4440                 }
4441
4442                 print "</ul>";
4443
4444         }
4445
4446         function get_article_tags($link, $id, $owner_uid = 0) {
4447
4448                 $a_id = db_escape_string($id);
4449
4450                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4451
4452                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name,
4453                         owner_uid as owner FROM
4454                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4455                                 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
4456
4457                 $tags = array();
4458
4459                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4460                         array_push($tags, $tmp_line["tag_name"]);
4461                 }
4462
4463                 return $tags;
4464         }
4465
4466         function trim_value(&$value) {
4467                 $value = trim($value);
4468         }
4469
4470         function trim_array($array) {
4471                 $tmp = $array;
4472                 array_walk($tmp, 'trim_value');
4473                 return $tmp;
4474         }
4475
4476         function tag_is_valid($tag) {
4477                 if ($tag == '') return false;
4478                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4479                 if (mb_strlen($tag) > 250) return false;
4480
4481                 if (function_exists('iconv')) {
4482                         $tag = iconv("utf-8", "utf-8", $tag);
4483                 }
4484
4485                 if (!$tag) return false;
4486
4487                 return true;
4488         }
4489
4490         function render_login_form($link, $mobile = 0) {
4491                 switch ($mobile) {
4492                 case 0:
4493                         require_once "login_form.php";
4494                         break;
4495                 case 1:
4496                         require_once "mobile/login_form.php";
4497                         break;
4498                 case 2:
4499                         require_once "mobile/classic/login_form.php";
4500                 }
4501         }
4502
4503         // from http://developer.apple.com/internet/safari/faq.html
4504         function no_cache_incantation() {
4505                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4506                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4507                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4508                 header("Cache-Control: post-check=0, pre-check=0", false);
4509                 header("Pragma: no-cache"); // HTTP/1.0
4510         }
4511
4512         function format_warning($msg, $id = "") {
4513                 return "<div class=\"warning\" id=\"$id\">
4514                         <img src=\"images/sign_excl.gif\">$msg</div>";
4515         }
4516
4517         function format_notice($msg) {
4518                 return "<div class=\"notice\">
4519                         <img src=\"images/sign_info.gif\">$msg</div>";
4520         }
4521
4522         function format_error($msg) {
4523                 return "<div class=\"error\">
4524                         <img src=\"images/sign_excl.gif\">$msg</div>";
4525         }
4526
4527         function print_notice($msg) {
4528                 return print format_notice($msg);
4529         }
4530
4531         function print_warning($msg) {
4532                 return print format_warning($msg);
4533         }
4534
4535         function print_error($msg) {
4536                 return print format_error($msg);
4537         }
4538
4539
4540         function T_sprintf() {
4541                 $args = func_get_args();
4542                 return vsprintf(__(array_shift($args)), $args);
4543         }
4544
4545         function format_inline_player($link, $url, $ctype) {
4546
4547                 $entry = "";
4548
4549                 if (($ctype == __("audio/mpeg")) &&  (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4550
4551                         $entry .= "<object type=\"application/x-shockwave-flash\"
4552                                 data=\"extras/button/musicplayer.swf?song_url=$url\"
4553                                 width=\"17\" height=\"17\">
4554                                         <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object>";
4555                 }
4556
4557                 /*
4558
4559                 if (substr($ctype,0,6)=="audio/" || $ctype=="application/ogg" || $ctype=="application/x-ogg") {
4560                         $entry .= "<audio controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4561                         if (($ctype == __("audio/mpeg")) &&
4562                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4563                                 $entry .= "<span><object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object></span>";
4564                         }
4565                         $entry .= "</audio> ";
4566                         if (($ctype == __("audio/mpeg")) &&
4567                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4568                                 $entry .= "<a id='switchToFlashLink' href='#' onclick='return switchToFlash(this)'>".__('Switch to Flash Player')."</a>";
4569                                 $entry .= "<script type='text/javascript'>html5AudioOrFlash('$ctype');</script>";
4570                         }
4571                 } elseif (substr($ctype,0,6)=="video/") {
4572                         $entry .= "<video controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4573                         $entry .= "</video>";
4574                 } */
4575
4576
4577
4578                 return $entry;
4579         }
4580
4581         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4582                 $zoom_mode = false) {
4583
4584                 /* we can figure out feed_id from article id anyway, why do we
4585                  * pass feed_id here? let's ignore the argument :( */
4586
4587                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4588                         WHERE ref_id = '$id'");
4589
4590                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4591
4592                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4593
4594                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4595                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4596
4597                 if (db_num_rows($result) == 1) {
4598                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4599                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4600                 } else {
4601                         $rtl_content = false;
4602                         $always_display_enclosures = false;
4603                 }
4604
4605                 if ($rtl_content) {
4606                         $rtl_tag = "dir=\"RTL\"";
4607                         $rtl_class = "RTL";
4608                 } else {
4609                         $rtl_tag = "";
4610                         $rtl_class = "";
4611                 }
4612
4613                 if ($mark_as_read) {
4614                         $result = db_query($link, "UPDATE ttrss_user_entries
4615                                 SET unread = false,last_read = NOW()
4616                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4617
4618                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4619                 }
4620
4621                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4622                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4623                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4624                         num_comments,
4625                         author,
4626                         orig_feed_id,
4627                         note
4628                         FROM ttrss_entries,ttrss_user_entries
4629                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4630
4631                 if ($result) {
4632
4633                         $line = db_fetch_assoc($result);
4634
4635                         if ($line["icon_url"]) {
4636                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4637                         } else {
4638                                 $feed_icon = "&nbsp;";
4639                         }
4640
4641                         $num_comments = $line["num_comments"];
4642                         $entry_comments = "";
4643
4644                         if ($num_comments > 0) {
4645                                 if ($line["comments"]) {
4646                                         $comments_url = $line["comments"];
4647                                 } else {
4648                                         $comments_url = $line["link"];
4649                                 }
4650                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
4651                         } else {
4652                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4653                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
4654                                 }
4655                         }
4656
4657                         if ($zoom_mode) {
4658                                 header("Content-Type: text/html");
4659                                 print "<html><head>
4660                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4661                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4662                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4663                                         </head><body>";
4664                         }
4665
4666
4667                         print "<div class=\"postReply\">";
4668
4669                         print "<div class=\"postHeader\" onmouseover=\"enable_resize(true)\"
4670                                 onmouseout=\"enable_resize(false)\">";
4671
4672                         $entry_author = $line["author"];
4673
4674                         if ($entry_author) {
4675                                 $entry_author = __(" - ") . $entry_author;
4676                         }
4677
4678                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4679                                 strtotime($line["updated"]));
4680
4681                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4682
4683                         if ($line["link"]) {
4684                                 print "<div clear='both'><a target='_blank' href=\"" . $line["link"] . "\">" .
4685                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4686                         } else {
4687                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4688                         }
4689
4690                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4691
4692                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4693
4694                         print "<div style='float : right'>
4695                                         <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4696
4697                         if (!$zoom_mode) {
4698                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4699                                         <a title=\"".__('Edit tags for this article')."\"
4700                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a>";
4701
4702                                 if (defined('_ENABLE_INLINE_VIEW')) {
4703
4704                                         print "<img src=\"images/art-inline.png\" class='tagsPic'
4705                                                         style=\"cursor : pointer\" style=\"cursor : pointer\"
4706                                                         onclick=\"showOriginalArticleInline($id)\"
4707                                                         alt='Inline' title='".__('Display original article content')."'>";
4708
4709                                 }
4710
4711                                 print "<img src=\"images/art-zoom.png\" class='tagsPic'
4712                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
4713                                                 onclick=\"zoomToArticle($id)\"
4714                                                 alt='Zoom' title='".__('Show article summary in new window')."'>";
4715
4716                                 $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4717
4718                                 print "<img src=\"images/art-pub-note.png\" class='tagsPic'
4719                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
4720                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
4721                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
4722
4723                         } else {
4724                                 $tags_str = strip_tags($tags_str);
4725                                 print "<span id=\"ATSTR-$id\">$tags_str</span>";
4726                         }
4727                         print "</div>";
4728                         print "<div clear='both'>$entry_comments</div>";
4729
4730                         if ($line["orig_feed_id"]) {
4731
4732                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
4733                                         WHERE id = ".$line["orig_feed_id"]);
4734
4735                                 if (db_num_rows($tmp_result) != 0) {
4736
4737                                         print "<div clear='both'>";
4738                                         print __("Originally from:");
4739
4740                                         print "&nbsp;";
4741
4742                                         $tmp_line = db_fetch_assoc($tmp_result);
4743
4744                                         print "<a target='_blank'
4745                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
4746                                                 $tmp_line['title'] . "</a>";
4747
4748                                         print "&nbsp;";
4749
4750                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
4751                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
4752
4753                                         print "</div>";
4754                                 }
4755                         }
4756
4757                         print "</div>";
4758
4759                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4760
4761                         print "<div class=\"postContent\">";
4762
4763                         $article_content = sanitize_rss($link, $line["content"]);
4764
4765                         print "<div id=\"POSTNOTE-$id\">";
4766                                 if ($line['note']) {
4767                                         print format_article_note($id, $line['note']);
4768                                 }
4769                         print "</div>";
4770
4771                         print $article_content;
4772
4773                         $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4774                                 post_id = '$id' AND content_url != ''");
4775
4776                         if (db_num_rows($result) > 0) {
4777
4778                                 $entries_html = array();
4779                                 $entries = array();
4780
4781                                 while ($line = db_fetch_assoc($result)) {
4782
4783                                         $url = $line["content_url"];
4784                                         $ctype = $line["content_type"];
4785
4786                                         if (!$ctype) $ctype = __("unknown type");
4787
4788                                         $filename = substr($url, strrpos($url, "/")+1);
4789
4790                                         $entry = format_inline_player($link, $url, $ctype);
4791
4792                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4793                                                 $filename . " (" . $ctype . ")" . "</a>";
4794
4795                                         array_push($entries_html, $entry);
4796
4797                                         $entry = array();
4798
4799                                         $entry["type"] = $ctype;
4800                                         $entry["filename"] = $filename;
4801                                         $entry["url"] = $url;
4802
4803                                         array_push($entries, $entry);
4804                                 }
4805
4806                                 print "<div class=\"postEnclosures\">";
4807
4808                                 if (!get_pref($link, "STRIP_IMAGES")) {
4809                                         if ($always_display_enclosures || !preg_match("/<img/i", $article_content)) {
4810                                                 foreach ($entries as $entry) {
4811                                                         if (preg_match("/image/", $entry["type"])) {
4812                                                                 print "<p><img
4813                                                                         alt=\"".htmlspecialchars($entry["filename"])."\"
4814                                                                         src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
4815                                                         }
4816                                                 }
4817                                         }
4818                                 }
4819
4820                                 print "<div class=\"postEnclosures\">";
4821
4822                                 if (db_num_rows($result) == 1) {
4823                                         print __("Attachment:") . " ";
4824                                 } else {
4825                                         print __("Attachments:") . " ";
4826                                 }
4827
4828                                 print join(", ", $entries_html);
4829
4830                                 print "</div>";
4831                         }
4832
4833                         print "</div>";
4834
4835                         print "</div>";
4836
4837                 }
4838
4839                 if (!$zoom_mode) {
4840                         print "]]></article>";
4841                 } else {
4842                         print "
4843                                 <div style=\"text-align : center\">
4844                                 <button onclick=\"return window.close()\">".
4845                                         __("Close this window")."</button></div>";
4846                         print "</body></html>";
4847
4848                 }
4849
4850         }
4851
4852         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4853                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4854                                         $override_order = false) {
4855
4856                 $disable_cache = false;
4857
4858                 $timing_info = getmicrotime();
4859
4860                 $topmost_article_ids = array();
4861
4862                 if (!$offset) {
4863                         $offset = 0;
4864                 }
4865
4866                 if ($subop == "undefined") $subop = "";
4867
4868                 $subop_split = split(":", $subop);
4869
4870                 if ($subop == "CatchupSelected") {
4871                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
4872                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
4873
4874                         catchupArticlesById($link, $ids, $cmode);
4875                 }
4876
4877                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4878                         update_generic_feed($link, $feed, $cat_view, true);
4879                 }
4880
4881                 if ($subop == "MarkAllRead")  {
4882                         catchup_feed($link, $feed, $cat_view);
4883
4884                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4885                                 if ($next_unread_feed) {
4886                                         $feed = $next_unread_feed;
4887                                 }
4888                         }
4889                 }
4890
4891                 if ($subop_split[0] == "MarkAllReadGR")  {
4892                         catchup_feed($link, $subop_split[1], false);
4893                 }
4894
4895
4896                 if ($feed_id > 0) {
4897                         $result = db_query($link,
4898                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4899
4900                         if (db_num_rows($result) == 0) {
4901                                 print "<div align='center'>".__('Feed not found.')."</div>";
4902                                 return;
4903                         }
4904                 }
4905
4906                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4907
4908                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4909                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4910
4911                         if (db_num_rows($result) == 1) {
4912                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4913                         } else {
4914                                 $rtl_content = false;
4915                         }
4916
4917                         if ($rtl_content) {
4918                                 $rtl_tag = "dir=\"RTL\"";
4919                         } else {
4920                                 $rtl_tag = "";
4921                         }
4922                 } else {
4923                         $rtl_tag = "";
4924                         $rtl_content = false;
4925                 }
4926
4927                 $script_dt_add = get_script_dt_add();
4928
4929                 /// START /////////////////////////////////////////////////////////////////////////////////
4930
4931                 $search = db_escape_string($_REQUEST["query"]);
4932
4933                 if ($search) {
4934                         $disable_cache = true;
4935                 }
4936
4937                 $search_mode = db_escape_string($_REQUEST["search_mode"]);
4938                 $match_on = db_escape_string($_REQUEST["match_on"]);
4939
4940                 if (!$match_on) {
4941                         $match_on = "both";
4942                 }
4943
4944                 $real_offset = $offset * $limit;
4945
4946                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4947
4948                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4949                         $search, $search_mode, $match_on, $override_order, $real_offset);
4950
4951                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4952
4953                 $result = $qfh_ret[0];
4954                 $feed_title = $qfh_ret[1];
4955                 $feed_site_url = $qfh_ret[2];
4956                 $last_error = $qfh_ret[3];
4957
4958                 $vgroup_last_feed = $vgr_last_feed;
4959
4960                 if ($feed == -2) {
4961                         $feed_site_url = article_publish_url($link);
4962                 }
4963
4964                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4965
4966                 if (!$offset) {
4967                         print "<div id=\"headlinesContainer\" $rtl_tag>";
4968
4969                         if (!$result) {
4970                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4971                                 return;
4972                         }
4973
4974                         print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4975                                 $feed, $cat_view, $search, $match_on, $search_mode);
4976
4977                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4978                 }
4979
4980                 $headlines_count = db_num_rows($result);
4981
4982                 if (db_num_rows($result) > 0) {
4983
4984 #                       print "\{$offset}";
4985
4986                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4987                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
4988                                         cellspacing=\"0\">";
4989                         }
4990
4991                         $lnum = $limit*$offset;
4992
4993                         error_reporting (DEFAULT_ERROR_LEVEL);
4994
4995                         $num_unread = 0;
4996                         $cur_feed_title = '';
4997
4998                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
4999
5000                         while ($line = db_fetch_assoc($result)) {
5001
5002                                 $class = ($lnum % 2) ? "even" : "odd";
5003
5004                                 $id = $line["id"];
5005                                 $feed_id = $line["feed_id"];
5006
5007                                 $labels = get_article_labels($link, $id);
5008
5009                                 $labels_str = "<span id=\"HLLCTR-$id\">";
5010                                 $labels_str .= format_article_labels($labels, $id);
5011                                 $labels_str .= "</span>";
5012
5013                                 if (count($topmost_article_ids) < 5) {
5014                                         array_push($topmost_article_ids, $id);
5015                                 }
5016
5017                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
5018
5019                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\"
5020                                                 alt=\"Updated\">";
5021                                 } else {
5022                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
5023                                                 alt=\"Updated\">";
5024                                 }
5025
5026                                 if (sql_bool_to_bool($line["unread"]) &&
5027                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
5028
5029                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/fresh_sign.png\"
5030                                                         alt=\"Fresh\">";
5031                                 }
5032
5033                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
5034                                         $class .= "Unread";
5035                                         ++$num_unread;
5036                                         $is_unread = true;
5037                                 } else {
5038                                         $is_unread = false;
5039                                 }
5040
5041                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
5042                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.png\"
5043                                                 class=\"markedPic\"
5044                                                 alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
5045                                 } else {
5046                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.png\"
5047                                                 class=\"markedPic\"
5048                                                 alt=\"Star article\" onclick='javascript:tMark($id)'>";
5049                                 }
5050
5051                                 if ($line["published"] == "t" || $line["published"] == "1") {
5052                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\"
5053                                                 class=\"markedPic\"
5054                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
5055                                 } else {
5056                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\"
5057                                                 class=\"markedPic\"
5058                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
5059                                 }
5060
5061 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
5062 #                                       $line["title"] . "</a>";
5063
5064 #                               $content_link = "<a
5065 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
5066 #                                       onclick=\"view($id,$feed_id);\">" .
5067 #                                       $line["title"] . "</a>";
5068
5069 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
5070 #                                       $line["title"] . "</a>";
5071
5072                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
5073                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
5074                                 } else {
5075                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
5076                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
5077                                 }
5078
5079                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5080                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
5081                                                 100);
5082                                 }
5083
5084                                 $score = $line["score"];
5085
5086                                 $score_pic = get_score_pic($score);
5087
5088 /*                              $score_title = __("(Click to change)");
5089                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5090                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
5091
5092                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5093                                         title=\"$score\">";
5094
5095                                 if ($score > 500) {
5096                                         $hlc_suffix = "H";
5097                                 } else if ($score < -100) {
5098                                         $hlc_suffix = "L";
5099                                 } else {
5100                                         $hlc_suffix = "";
5101                                 }
5102
5103                                 $entry_author = $line["author"];
5104
5105                                 if ($entry_author) {
5106                                         $entry_author = " - $entry_author";
5107                                 }
5108
5109                                 $has_feed_icon = feed_has_icon($feed_id);
5110
5111                                 if ($has_feed_icon) {
5112                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5113                                 } else {
5114                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5115                                         $feed_icon_img = "";
5116                                 }
5117
5118                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5119
5120                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5121                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5122
5123                                                         $cur_feed_title = $line["feed_title"];
5124                                                         $vgroup_last_feed = $feed_id;
5125
5126                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5127
5128                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5129
5130                                                         print "<tr class='feedTitle'><td colspan='7'>".
5131                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5132                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5133                                                                 $line["feed_title"]."</a> $vf_catchup_link</td></tr>";
5134                                                 }
5135                                         }
5136
5137                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5138                                                 onmouseout='postMouseOut($id)'";
5139
5140                                         print "<tr class='$class' id='RROW-$id' $mouseover_attrs>";
5141
5142                                         print "<td class='hlUpdPic'>$update_pic</td>";
5143
5144                                         print "<td class='hlSelectRow'>
5145                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
5146                                                         id=\"RCHK-$id\">
5147                                                 </td>";
5148
5149                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
5150                                         print "<td class='hlMarkedPic'>$published_pic</td>";
5151
5152 #                                       if ($line["feed_title"]) {
5153 #                                               print "<td class='hlContent'>$content_link</td>";
5154 #                                               print "<td class='hlFeed'>
5155 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5156 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
5157 #                                       } else {
5158
5159                                         print "<td onclick='view($id)' class='hlContent$hlc_suffix' valign='middle' id='HLC-$id'>";
5160
5161                                         print "<a id=\"RTITLE-$id\"
5162                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5163                                                 onclick=\"return false\">" .
5164                                                 $line["title"];
5165
5166                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5167                                                 if ($content_preview) {
5168                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5169                                                 }
5170                                         }
5171
5172                                         print "</a>";
5173
5174                                         print $labels_str;
5175
5176 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5177 #                                                       $line["feed_title"]."</a>
5178
5179                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5180                                                 if ($line["feed_title"]) {
5181                                                         print "<span class=\"hlFeed\">
5182                                                                 (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5183                                                                 $line["feed_title"]."</a>)
5184                                                         </span>";
5185                                                 }
5186                                         }
5187
5188 //                                      print "<img id='HLL-$id' class='hlLoading'
5189 //                                              src='images/indicator_tiny.gif' style='display : none'>";
5190
5191                                         print "</td>";
5192
5193 #                                       }
5194
5195                                         print "<td class=\"hlUpdated\" onclick='view($id)'><nobr>$updated_fmt&nbsp;</nobr></td>";
5196
5197                                         print "<td class='hlMarkedPic'>$score_pic</td>";
5198
5199                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5200                                                 print "<td onclick=\"viewfeed($feed_id)\" class=\"hlFeedIcon\">$feed_icon_img</td>";
5201                                         }
5202
5203                                         print "</tr>";
5204
5205                                 } else {
5206
5207                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5208                                                 if ($feed_id != $vgroup_last_feed) {
5209
5210                                                         $cur_feed_title = $line["feed_title"];
5211                                                         $vgroup_last_feed = $feed_id;
5212
5213                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5214
5215                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5216
5217                                                         $has_feed_icon = feed_has_icon($feed_id);
5218
5219                                                         if ($has_feed_icon) {
5220                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5221                                                         } else {
5222                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5223                                                         }
5224
5225                                                         print "<div class='cdmFeedTitle'>".
5226                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5227                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5228                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5229                                                 }
5230                                         }
5231
5232                                         if ($is_unread) {
5233                                                 $add_class = "Unread";
5234                                         } else {
5235                                                 $add_class = "";
5236                                         }
5237
5238                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5239                                         $show_excerpt = false;
5240
5241                                         if ($expand_cdm && $score >= -100) {
5242                                                 $cdm_cstyle = "";
5243                                                 $show_excerpt = false;
5244                                         } else {
5245                                                 $cdm_cstyle = "style=\"display : none\"";
5246                                                 $show_excerpt = true;
5247                                         }
5248
5249                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5250                                                 onmouseout='postMouseOut($id)'";
5251
5252                                         print "<div class=\"cdmArticle$add_class\"
5253                                                 id=\"RROW-$id\"
5254                                                 $mouseover_attrs'>";
5255
5256                                         print "<div class=\"cdmHeader\">";
5257
5258                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") || !$line["feed_title"]) {
5259                                                 $cdm_feed_icon = "<span style=\"cursor : pointer\" onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5260                                         }
5261
5262                                         print "<div class=\"articleUpdated\">$updated_fmt $score_pic $cdm_feed_icon
5263                                                 </div>";
5264
5265                                         print "<span id=\"RTITLE-$id\" class=\"titleWrap$hlc_suffix\"><a class=\"title\"
5266                                                 onclick=\"javascript:toggleUnread($id, 0)\"
5267                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5268                                                 ";
5269
5270                                         print $entry_author;
5271
5272 /*                                      if (!$expand_cdm || $score < -100) {
5273                                                 print "&nbsp;<a id=\"CICH-$id\"
5274                                                         href=\"javascript:cdmExpandArticle($id)\">
5275                                                         (".__('Show article').")</a>";
5276                                         } */
5277
5278                                         print $labels_str;
5279
5280                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5281                                                 if ($line["feed_title"]) {
5282                                                         print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
5283                                                 }
5284                                         }
5285
5286                                         print "</span></div>";
5287
5288                                         if ($show_excerpt) {
5289                                                 print "<div class=\"cdmExcerpt\" id=\"CEXC-$id\"
5290                                                         onclick=\"cdmExpandArticle($id)\"
5291                                                         title=\"".__('Click to expand article')."\">";
5292
5293                                                 $content_preview = trim(truncate_string(strip_tags($line["content_preview"]), 100));
5294
5295                                                 if (strlen($content_preview) != 0) {
5296                                                         print $content_preview;
5297                                                 } else {
5298                                                         print __('Click to expand article');
5299                                                 }
5300                                                 print "</div>";
5301                                         }
5302
5303                                         print "<div class=\"cdmContent\"
5304                                                 onclick=\"cdmClicked($id)\"
5305                                                 id=\"CICD-$id\" $cdm_cstyle>";
5306
5307                                         if ($line["orig_feed_id"]) {
5308
5309                                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
5310                                                 WHERE id = ".$line["orig_feed_id"]);
5311
5312                                                 if (db_num_rows($tmp_result) != 0) {
5313
5314                                                 print "<div clear='both'>";
5315                                                 print __("Originally from:");
5316
5317                                                 print "&nbsp;";
5318
5319                                                 $tmp_line = db_fetch_assoc($tmp_result);
5320
5321                                                 print "<a target='_blank'
5322                                                         href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
5323                                                         $tmp_line['title'] . "</a>";
5324
5325                                                 print "&nbsp;";
5326
5327                                                 print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
5328                                                 print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
5329
5330                                                 print "</div>";
5331                                         }
5332                                 }
5333
5334 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
5335
5336                                         print "<div id=\"POSTNOTE-$id\">";
5337                                         if ($line['note']) {
5338                                                 print format_article_note($id, $line['note']);
5339                                         }
5340                                         print "</div>";
5341
5342                                         print sanitize_rss($link, $line["content_preview"]);
5343
5344                                         $article_content = $line["content_preview"];
5345
5346                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
5347                                                 post_id = '$id' AND content_url != ''");
5348
5349                                         if (db_num_rows($e_result) > 0) {
5350
5351                                 $entries_html = array();
5352                                 $entries = array();
5353
5354                                 while ($e_line = db_fetch_assoc($e_result)) {
5355
5356                                         $url = $e_line["content_url"];
5357                                         $ctype = $e_line["content_type"];
5358                                         if (!$ctype) $ctype = __("unknown type");
5359
5360                                         $filename = substr($url, strrpos($url, "/")+1);
5361
5362                                         $entry = format_inline_player($link, $url, $ctype);
5363
5364                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5365                                                 $filename . " (" . $ctype . ")" . "</a>";
5366
5367                                         array_push($entries_html, $entry);
5368
5369                                         $entry = array();
5370
5371                                         $entry["type"] = $ctype;
5372                                         $entry["filename"] = $filename;
5373                                         $entry["url"] = $url;
5374
5375                                         array_push($entries, $entry);
5376                                 }
5377
5378                                 $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5379                                         ttrss_feeds WHERE id = ".$line['feed_id']." AND owner_uid = ".$_SESSION["uid"]);
5380
5381                                 $always_display_enclosures = db_fetch_result($tmp_result, 0, "always_display_enclosures");
5382
5383                                 if (!get_pref($link, "STRIP_IMAGES")) {
5384                                         if ($always_display_enclosures || !preg_match("/img/i", $article_content)) {
5385                                                 foreach ($entries as $entry) {
5386                                                         if (preg_match("/image/", $entry["type"])) {
5387                                                                 print "<p><img
5388                                                                         alt=\"".htmlspecialchars($entry["filename"])."\"
5389                                                                         src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
5390                                                         }
5391                                                 }
5392                                         }
5393                                 }
5394
5395                                 print "<div class=\"cdmEnclosures\">";
5396
5397                                 if (db_num_rows($e_result) == 1) {
5398                                         print __("Attachment:") . " ";
5399                                 } else {
5400                                         print __("Attachments:") . " ";
5401                                 }
5402
5403                                 print join(", ", $entries_html);
5404
5405                                 print "</div>";
5406                         }
5407
5408
5409                                         print "<br clear='both'>";
5410 //                                      print "</div>";
5411
5412 /*                                      if (!$expand_cdm) {
5413                                                 print "<a id=\"CICH-$id\"
5414                                                         href=\"javascript:cdmExpandArticle($id)\">
5415                                                         Show article</a>";
5416                                         } */
5417
5418                                         print "</div>";
5419
5420                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5421
5422                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5423
5424                                         print __("Select:").
5425                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5426                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5427
5428                                         print "</span><span class='s1'>$marked_pic&nbsp;";
5429                                         print "$published_pic&nbsp;";
5430                                         print "<img src=\"images/art-zoom.png\" class='tagsPic'
5431                                                 onclick=\"zoomToArticle($id)\"
5432                                                 style=\"cursor : pointer\"
5433                                                 alt='Zoom'
5434                                                 title='".__('Show article summary in new window')."'>&nbsp;";
5435
5436                                         $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5437
5438                                         print "<img src=\"images/art-pub-note.png\" class='tagsPic'
5439                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5440                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
5441                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
5442
5443                                         print "</span>";
5444
5445                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5446
5447 //                                      print "<img src='images/tag.png' class='markedPic'>";
5448
5449                                         print "<span class='s1'>
5450                                                 <img class='tagsPic' src='images/tag.png' alt='Tags' title='Tags'>
5451                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5452                                                 <a title=\"".__('Edit tags for this article')."\"
5453                                                 href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5454
5455                                         print "</span>";
5456
5457                                         print "<span class='s2'><a class=\"cdmToggleLink\"
5458                                                         href=\"javascript:toggleUnread($id)\">
5459                                                         ".__('toggle unread')."</a></span>";
5460
5461                                         print "</div>";
5462                                         print "</div>";
5463
5464                                 }
5465
5466                                 ++$lnum;
5467                         }
5468
5469                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5470                                 print "</table>";
5471                         }
5472
5473                 } else {
5474                         $message = "";
5475
5476                         switch ($view_mode) {
5477                                 case "unread":
5478                                         $message = __("No unread articles found to display.");
5479                                         break;
5480                                 case "updated":
5481                                         $message = __("No updated articles found to display.");
5482                                         break;
5483                                 case "marked":
5484                                         $message = __("No starred articles found to display.");
5485                                         break;
5486                                 default:
5487                                         if ($feed < -10) {
5488                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5489                                         } else {
5490                                                 $message = __("No articles found to display.");
5491                                         }
5492                         }
5493
5494                         if (!$offset) print "<div class='whiteBox'>$message</div>";
5495                 }
5496
5497                 if (!$offset) {
5498                         print "</div>";
5499                         print "</div>";
5500                 }
5501
5502                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5503         }
5504
5505 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5506
5507         function printTagCloud($link) {
5508
5509                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5510                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5511                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5512
5513                 $result = db_query($link, $query);
5514
5515                 $tags = array();
5516
5517                 while ($line = db_fetch_assoc($result)) {
5518                         $tags[$line["tag_name"]] = $line["count"];
5519                 }
5520
5521                 ksort($tags);
5522
5523                 $max_size = 32; // max font size in pixels
5524                 $min_size = 11; // min font size in pixels
5525
5526                 // largest and smallest array values
5527                 $max_qty = max(array_values($tags));
5528                 $min_qty = min(array_values($tags));
5529
5530                 // find the range of values
5531                 $spread = $max_qty - $min_qty;
5532                 if ($spread == 0) { // we don't want to divide by zero
5533                                 $spread = 1;
5534                 }
5535
5536                 // set the font-size increment
5537                 $step = ($max_size - $min_size) / ($spread);
5538
5539                 // loop through the tag array
5540                 foreach ($tags as $key => $value) {
5541                         // calculate font-size
5542                         // find the $value in excess of $min_qty
5543                         // multiply by the font-size increment ($size)
5544                         // and add the $min_size set above
5545                         $size = round($min_size + (($value - $min_qty) * $step));
5546
5547                         $key_escaped = str_replace("'", "\\'", $key);
5548
5549                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5550                                 $size . "px\" title=\"$value articles tagged with " .
5551                                 $key . '">' . $key . '</a> ';
5552                 }
5553         }
5554
5555         function print_checkpoint($n, $s) {
5556                 $ts = getmicrotime();
5557                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5558                 return $ts;
5559         }
5560
5561         function sanitize_tag($tag) {
5562                 $tag = trim($tag);
5563
5564                 $tag = mb_strtolower($tag, 'utf-8');
5565
5566                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5567
5568 //              $tag = str_replace('"', "", $tag);
5569 //              $tag = str_replace("+", " ", $tag);
5570                 $tag = str_replace("technorati tag: ", "", $tag);
5571
5572                 return $tag;
5573         }
5574
5575         function generate_publish_key() {
5576                 return sha1(uniqid(rand(), true));
5577         }
5578
5579         function article_publish_url($link) {
5580
5581                 $url_path = "";
5582
5583
5584                 if ($_SERVER['HTTPS'] != "on") {
5585                         $url_path = "http://";
5586                 } else {
5587                         $url_path = "https://";
5588                 }
5589
5590                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5591                 $url_path .= "/backend.php?op=publish&key=" .
5592                         get_pref($link, "_PREFS_PUBLISH_KEY", $_SESSION["uid"]);
5593
5594                 return $url_path;
5595         }
5596
5597         /**
5598          * Purge a feed contents, marked articles excepted.
5599          *
5600          * @param mixed $link The database connection.
5601          * @param integer $id The id of the feed to purge.
5602          * @return void
5603          */
5604         function clear_feed_articles($link, $id) {
5605
5606                 if ($id != 0) {
5607                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5608                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5609                 } else {
5610                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5611                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5612                 }
5613
5614                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5615                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5616
5617                 ccache_update($link, $id, $_SESSION['uid']);
5618         } // function clear_feed_articles
5619
5620         /**
5621          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5622          *
5623          * @return string The Mozilla Firefox feed adding URL.
5624          */
5625         function add_feed_url() {
5626                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5627                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5628                 return $url_path;
5629         } // function add_feed_url
5630
5631         /**
5632          * Encrypt a password in SHA1.
5633          *
5634          * @param string $pass The password to encrypt.
5635          * @param string $login A optionnal login.
5636          * @return string The encrypted password.
5637          */
5638         function encrypt_password($pass, $login = '') {
5639                 if ($login) {
5640                         return "SHA1X:" . sha1("$login:$pass");
5641                 } else {
5642                         return "SHA1:" . sha1($pass);
5643                 }
5644         } // function encrypt_password
5645
5646         /**
5647          * Update a feed batch.
5648          * Used by daemons to update n feeds by run.
5649          * Only update feed needing a update, and not being processed
5650          * by another process.
5651          *
5652          * @param mixed $link Database link
5653          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5654          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5655          * @param boolean $debug Set to false to disable debug output. Default to true.
5656          * @return void
5657          */
5658         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5659                 // Process all other feeds using last_updated and interval parameters
5660
5661                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5662                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5663                         if (DB_TYPE == "pgsql") {
5664                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5665                         } else {
5666                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5667                         }
5668                 } else {
5669                         $login_thresh_qpart = "";
5670                 }
5671
5672                 // Test if the feed need a update (update interval exceded).
5673                 if (DB_TYPE == "pgsql") {
5674                         $update_limit_qpart = "AND ((
5675                                         ttrss_feeds.update_interval = 0
5676                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5677                                 ) OR (
5678                                         ttrss_feeds.update_interval > 0
5679                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5680                                 ) OR ttrss_feeds.last_updated IS NULL)";
5681                 } else {
5682                         $update_limit_qpart = "AND ((
5683                                         ttrss_feeds.update_interval = 0
5684                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5685                                 ) OR (
5686                                         ttrss_feeds.update_interval > 0
5687                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5688                                 ) OR ttrss_feeds.last_updated IS NULL)";
5689                 }
5690
5691                 // Test if feed is currently being updated by another process.
5692                 if (DB_TYPE == "pgsql") {
5693                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5694                 } else {
5695                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5696                 }
5697
5698                 // Test if there is a limit to number of updated feeds
5699                 $query_limit = "";
5700                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5701
5702                 $random_qpart = sql_random_function();
5703
5704                 // We search for feed needing update.
5705                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5706                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5707                                 ttrss_feeds.update_interval
5708                         FROM
5709                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5710                         WHERE
5711                                 ttrss_feeds.owner_uid = ttrss_users.id
5712                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5713                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5714                                 $login_thresh_qpart $update_limit_qpart
5715                          $updstart_thresh_qpart
5716                         ORDER BY $random_qpart $query_limit");
5717
5718                 $user_prefs_cache = array();
5719
5720                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5721
5722                 // Here is a little cache magic in order to minimize risk of double feed updates.
5723                 $feeds_to_update = array();
5724                 while ($line = db_fetch_assoc($result)) {
5725                         $feeds_to_update[$line['id']] = $line;
5726                 }
5727
5728                 // We update the feed last update started date before anything else.
5729                 // There is no lag due to feed contents downloads
5730                 // It prevent an other process to update the same feed.
5731                 $feed_ids = array_keys($feeds_to_update);
5732                 if($feed_ids) {
5733                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5734                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5735                 }
5736
5737                 // For each feed, we call the feed update function.
5738                 while ($line = array_pop($feeds_to_update)) {
5739
5740                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5741
5742                         // We setup a alarm to alert if the feed take more than 300s to update.
5743                         // => HANG alarm.
5744                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(300);
5745                         update_rss_feed($link, $line["feed_url"], $line["id"], true);
5746                         // Cancel the alarm (the update went well)
5747                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(0);
5748
5749                         sleep(1); // prevent flood (FIXME make this an option?)
5750                 }
5751
5752                 // Send feed digests by email if needed.
5753                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5754
5755                 purge_orphans($link);
5756
5757         } // function update_daemon_common
5758
5759         function sanitize_article_content($text) {
5760                 # we don't support CDATA sections in articles, they break our own escaping
5761                 $text = preg_replace("/\[\[CDATA/", "", $text);
5762                 $text = preg_replace("/\]\]\>/", "", $text);
5763                 return $text;
5764         }
5765
5766         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5767                 $filters = array();
5768
5769                 if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5770
5771                 $result = db_query($link, "SELECT reg_exp,
5772                         ttrss_filter_types.name AS name,
5773                         ttrss_filter_actions.name AS action,
5774                         inverse,
5775                         action_param,
5776                         filter_param
5777                         FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5778                                 enabled = true AND
5779                                 $ftype_query_part
5780                                 owner_uid = $owner_uid AND
5781                                 ttrss_filter_types.id = filter_type AND
5782                                 ttrss_filter_actions.id = action_id AND
5783                                 (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5784
5785                 while ($line = db_fetch_assoc($result)) {
5786                         if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5787                                 $filter["reg_exp"] = $line["reg_exp"];
5788                                 $filter["action"] = $line["action"];
5789                                 $filter["action_param"] = $line["action_param"];
5790                                 $filter["filter_param"] = $line["filter_param"];
5791                                 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5792
5793                                 array_push($filters[$line["name"]], $filter);
5794                         }
5795
5796                 return $filters;
5797         }
5798
5799         function get_score_pic($score) {
5800                 if ($score > 100) {
5801                         return "score_high.png";
5802                 } else if ($score > 0) {
5803                         return "score_half_high.png";
5804                 } else if ($score < -100) {
5805                         return "score_low.png";
5806                 } else if ($score < 0) {
5807                         return "score_half_low.png";
5808                 } else {
5809                         return "score_neutral.png";
5810                 }
5811         }
5812
5813         function rounded_table_start($classname, $header = "&nbsp;") {
5814                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5815                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5816                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5817         }
5818
5819         function rounded_table_end($footer = "&nbsp;") {
5820                 print "</td><td class='right'>&nbsp;</td></tr>";
5821                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5822                 print "</table>";
5823         }
5824
5825         function feed_has_icon($id) {
5826                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5827         }
5828
5829         function init_connection($link) {
5830                 if (DB_TYPE == "pgsql") {
5831                         pg_query($link, "set client_encoding = 'UTF-8'");
5832                         pg_set_client_encoding("UNICODE");
5833                         pg_query($link, "set datestyle = 'ISO, european'");
5834                 } else {
5835                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5836                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5837         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5838                         }
5839                 }
5840         }
5841
5842         function update_feedbrowser_cache($link) {
5843
5844                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
5845                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5846                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5847                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
5848                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
5849
5850                 db_query($link, "BEGIN");
5851
5852                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5853
5854                 $count = 0;
5855
5856                 while ($line = db_fetch_assoc($result)) {
5857                         $subscribers = db_escape_string($line["subscribers"]);
5858                         $feed_url = db_escape_string($line["feed_url"]);
5859                         $title = db_escape_string($line["title"]);
5860
5861                         $tmp_result = db_query($link, "SELECT subscribers FROM
5862                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
5863
5864                         if (db_num_rows($tmp_result) == 0) {
5865
5866                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5867                                         (feed_url, title, subscribers) VALUES ('$feed_url',
5868                                                 '$title', '$subscribers')");
5869
5870                                 ++$count;
5871
5872                         }
5873
5874                 }
5875
5876                 db_query($link, "COMMIT");
5877
5878                 return $count;
5879
5880         }
5881
5882         function ccache_zero($link, $feed_id, $owner_uid) {
5883                 db_query($link, "UPDATE ttrss_counters_cache SET
5884                         value = 0, updated = NOW() WHERE
5885                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5886         }
5887
5888         function ccache_zero_all($link, $owner_uid) {
5889                 db_query($link, "UPDATE ttrss_counters_cache SET
5890                         value = 0 WHERE owner_uid = '$owner_uid'");
5891
5892                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
5893                         value = 0 WHERE owner_uid = '$owner_uid'");
5894         }
5895
5896         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
5897
5898                 if (!$is_cat) {
5899                         $table = "ttrss_counters_cache";
5900                 } else {
5901                         $table = "ttrss_cat_counters_cache";
5902                 }
5903
5904                 db_query($link, "DELETE FROM $table WHERE
5905                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5906
5907         }
5908
5909         function ccache_update_all($link, $owner_uid) {
5910
5911                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
5912
5913                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
5914                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5915
5916                         while ($line = db_fetch_assoc($result)) {
5917                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
5918                         }
5919
5920                         /* We have to manually include category 0 */
5921
5922                         ccache_update($link, 0, $owner_uid, true);
5923
5924                 } else {
5925                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
5926                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5927
5928                         while ($line = db_fetch_assoc($result)) {
5929                                 print ccache_update($link, $line["feed_id"], $owner_uid);
5930
5931                         }
5932
5933                 }
5934         }
5935
5936         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
5937                 $no_update = false) {
5938
5939                 if (!is_numeric($feed_id)) return;
5940
5941                 if (!$is_cat) {
5942                         $table = "ttrss_counters_cache";
5943                         if ($feed_id > 0) {
5944                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5945                                         WHERE id = '$feed_id'");
5946                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5947                         }
5948                 } else {
5949                         $table = "ttrss_cat_counters_cache";
5950                 }
5951
5952                 if (DB_TYPE == "pgsql") {
5953                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
5954                 } else if (DB_TYPE == "mysql") {
5955                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
5956                 }
5957
5958                 $result = db_query($link, "SELECT value FROM $table
5959                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
5960                         LIMIT 1");
5961
5962                 if (db_num_rows($result) == 1) {
5963                         return db_fetch_result($result, 0, "value");
5964                 } else {
5965                         if ($no_update) {
5966                                 return -1;
5967                         } else {
5968                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
5969                         }
5970                 }
5971
5972         }
5973
5974         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
5975                 $update_pcat = true) {
5976
5977                 if (!is_numeric($feed_id)) return;
5978
5979                 if (!$is_cat && $feed_id > 0) {
5980                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5981                                 WHERE id = '$feed_id'");
5982                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5983                 }
5984
5985                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
5986
5987                 /* When updating a label, all we need to do is recalculate feed counters
5988                  * because labels are not cached */
5989
5990                 if ($feed_id < 0) {
5991                         ccache_update_all($link, $owner_uid);
5992                         return;
5993                 }
5994
5995                 if (!$is_cat) {
5996                         $table = "ttrss_counters_cache";
5997                 } else {
5998                         $table = "ttrss_cat_counters_cache";
5999                 }
6000
6001                 if ($is_cat && $feed_id >= 0) {
6002                         if ($feed_id != 0) {
6003                                 $cat_qpart = "cat_id = '$feed_id'";
6004                         } else {
6005                                 $cat_qpart = "cat_id IS NULL";
6006                         }
6007
6008                         /* Recalculate counters for child feeds */
6009
6010                         $result = db_query($link, "SELECT id FROM ttrss_feeds
6011                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
6012
6013                         while ($line = db_fetch_assoc($result)) {
6014                                 ccache_update($link, $line["id"], $owner_uid, false, false);
6015                         }
6016
6017                         $result = db_query($link, "SELECT SUM(value) AS sv
6018                                 FROM ttrss_counters_cache, ttrss_feeds
6019                                 WHERE id = feed_id AND $cat_qpart AND
6020                                 ttrss_feeds.owner_uid = '$owner_uid'");
6021
6022                         $unread = (int) db_fetch_result($result, 0, "sv");
6023
6024                 } else {
6025                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
6026                 }
6027
6028                 db_query($link, "BEGIN");
6029
6030                 $result = db_query($link, "SELECT feed_id FROM $table
6031                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
6032
6033                 if (db_num_rows($result) == 1) {
6034                         db_query($link, "UPDATE $table SET
6035                                 value = '$unread', updated = NOW() WHERE
6036                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6037
6038                 } else {
6039                         db_query($link, "INSERT INTO $table
6040                                 (feed_id, value, owner_uid, updated)
6041                                 VALUES
6042                                 ($feed_id, $unread, $owner_uid, NOW())");
6043                 }
6044
6045                 db_query($link, "COMMIT");
6046
6047                 if ($feed_id > 0 && $prev_unread != $unread) {
6048
6049                         if (!$is_cat) {
6050
6051                                 /* Update parent category */
6052
6053                                 if ($update_pcat) {
6054
6055                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
6056                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
6057
6058                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
6059
6060                                         ccache_update($link, $cat_id, $owner_uid, true);
6061
6062                                 }
6063                         }
6064                 } else if ($feed_id < 0) {
6065                         ccache_update_all($link, $owner_uid);
6066                 }
6067
6068                 return $unread;
6069         }
6070
6071         function label_find_id($link, $label, $owner_uid) {
6072                 $result = db_query($link,
6073                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
6074                                 AND owner_uid = '$owner_uid' LIMIT 1");
6075
6076                 if (db_num_rows($result) == 1) {
6077                         return db_fetch_result($result, 0, "id");
6078                 } else {
6079                         return 0;
6080                 }
6081         }
6082
6083         function get_article_labels($link, $id) {
6084                 $result = db_query($link,
6085                         "SELECT DISTINCT label_id,caption,fg_color,bg_color
6086                                 FROM ttrss_labels2, ttrss_user_labels2
6087                         WHERE id = label_id
6088                                 AND article_id = '$id'
6089                                 AND owner_uid = ".$_SESSION["uid"] . "
6090                         ORDER BY caption");
6091
6092                 $rv = array();
6093
6094                 while ($line = db_fetch_assoc($result)) {
6095                         $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
6096                                 $line["bg_color"]);
6097                         array_push($rv, $rk);
6098                 }
6099
6100                 return $rv;
6101         }
6102
6103
6104         function label_find_caption($link, $label, $owner_uid) {
6105                 $result = db_query($link,
6106                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
6107                                 AND owner_uid = '$owner_uid' LIMIT 1");
6108
6109                 if (db_num_rows($result) == 1) {
6110                         return db_fetch_result($result, 0, "caption");
6111                 } else {
6112                         return "";
6113                 }
6114         }
6115
6116         function label_remove_article($link, $id, $label, $owner_uid) {
6117
6118                 $label_id = label_find_id($link, $label, $owner_uid);
6119
6120                 if (!$label_id) return;
6121
6122                 $result = db_query($link,
6123                         "DELETE FROM ttrss_user_labels2
6124                         WHERE
6125                                 label_id = '$label_id' AND
6126                                 article_id = '$id'");
6127         }
6128
6129         function label_add_article($link, $id, $label, $owner_uid) {
6130
6131                 $label_id = label_find_id($link, $label, $owner_uid);
6132
6133                 if (!$label_id) return;
6134
6135                 $result = db_query($link,
6136                         "SELECT
6137                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6138                         WHERE
6139                                 label_id = id AND
6140                                 label_id = '$label_id' AND
6141                                 article_id = '$id' AND owner_uid = '$owner_uid'
6142                         LIMIT 1");
6143
6144                 if (db_num_rows($result) == 0) {
6145                         db_query($link, "INSERT INTO ttrss_user_labels2
6146                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6147                 }
6148         }
6149
6150         function label_remove($link, $id, $owner_uid) {
6151
6152                 db_query($link, "BEGIN");
6153
6154                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6155                         WHERE id = '$id'");
6156
6157                 $caption = db_fetch_result($result, 0, "caption");
6158
6159                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6160                         AND owner_uid = " . $_SESSION["uid"]);
6161
6162                 if (db_affected_rows($link, $result) != 0 && $caption) {
6163
6164                         /* Disable filters that reference label being removed */
6165
6166                         db_query($link, "UPDATE ttrss_filters SET
6167                                 enabled = false WHERE action_param = '$caption'
6168                                         AND action_id = 7
6169                                         AND owner_uid = " . $_SESSION["uid"]);
6170                         }
6171
6172                 db_query($link, "COMMIT");
6173         }
6174
6175         function label_create($link, $caption) {
6176
6177                 db_query($link, "BEGIN");
6178
6179                 $result = false;
6180
6181                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6182                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6183
6184                 if (db_num_rows($result) == 0) {
6185                         $result = db_query($link,
6186                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
6187                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6188
6189                         $result = db_affected_rows($link, $result) != 0;
6190                 }
6191
6192                 db_query($link, "COMMIT");
6193
6194                 return $result;
6195         }
6196
6197         function print_labels_headlines_dropdown($link, $feed_id) {
6198                 print "<li onclick=\"javascript:addLabel()\">
6199                         &nbsp;&nbsp;".__("Create label...")."</li>";
6200
6201                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6202                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6203
6204                 while ($line = db_fetch_assoc($result)) {
6205
6206                         $label_id = $line["id"];
6207                         $label_caption = $line["caption"];
6208
6209                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6210                                 print "<li id=\"LHDL-$id\"
6211                                         onclick=\"javascript:selectionRemoveLabel($label_id)\">
6212                                         &nbsp;&nbsp;$label_caption ".__('(remove)')."</li>";
6213                         } else {
6214                                 print "<li id=\"LHDL-$id\"
6215                                         onclick=\"javascript:selectionAssignLabel($label_id)\">
6216                                         &nbsp;&nbsp;$label_caption</li>";
6217                         }
6218                 }
6219         }
6220
6221         function format_tags_string($tags, $id) {
6222
6223                 $tags_str = "";
6224                 $tags_nolinks_str = "";
6225
6226                 $num_tags = 0;
6227
6228 /*              if (get_user_theme_path($link) == "3pane") {
6229                         $tag_limit = 3;
6230                 } else {
6231                         $tag_limit = 6;
6232                 } */
6233
6234                 $tag_limit = 6;
6235
6236                 $formatted_tags = array();
6237
6238                 foreach ($tags as $tag) {
6239                         $num_tags++;
6240                         $tag_escaped = str_replace("'", "\\'", $tag);
6241
6242                         if (mb_strlen($tag) > 30) {
6243                                 $tag = truncate_string($tag, 30);
6244                         }
6245
6246                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6247
6248                         array_push($formatted_tags, $tag_str);
6249
6250                         $tmp_tags_str = implode(", ", $formatted_tags);
6251
6252                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6253                                 break;
6254                         }
6255                 }
6256
6257                 $tags_str = implode(", ", $formatted_tags);
6258
6259                 if ($num_tags < count($tags)) {
6260                         $tags_str .= ", &hellip;";
6261                 }
6262
6263                 if ($num_tags == 0) {
6264                         $tags_str = __("no tags");
6265                 }
6266
6267                 return $tags_str;
6268
6269         }
6270
6271         function format_article_labels($labels, $id) {
6272
6273                 $labels_str = "";
6274
6275                 foreach ($labels as $l) {
6276                         $labels_str .= sprintf("<span class='hlLabelRef'
6277                                 style='color : %s; background-color : %s'>%s</span>",
6278                                         $l[2], $l[3], $l[1]);
6279                         }
6280
6281                 return $labels_str;
6282
6283         }
6284
6285         function format_article_note($id, $note) {
6286
6287                 $note_escaped = htmlspecialchars($note, ENT_QUOTES);
6288
6289                 $str = "<div class='articleNote'>";
6290                 $str .= $note;
6291                 $str .= "<div class='articleNoteOps'>";
6292                 $str .= "<a href=\"javascript:publishWithNote($id, '$note_escaped')\">".
6293                         __('edit note')."</a>";
6294                 $str .= "</div>";
6295                 $str .= "</div>";
6296
6297                 return $str;
6298         }
6299
6300         function toggle_collapse_cat($link, $cat_id) {
6301                 if ($cat_id > 0) {
6302                         db_query($link, "UPDATE ttrss_feed_categories SET
6303                                 collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " .
6304                                 $_SESSION["uid"]);
6305                 } else {
6306                         $pref_name = '';
6307
6308                         switch ($cat_id) {
6309                         case -1:
6310                                 $pref_name = '_COLLAPSED_SPECIAL';
6311                                 break;
6312                         case -2:
6313                                 $pref_name = '_COLLAPSED_LABELS';
6314                                 break;
6315                         case 0:
6316                                 $pref_name = '_COLLAPSED_UNCAT';
6317                                 break;
6318                         }
6319
6320                         if ($pref_name) {
6321                                 if (get_pref($link, $pref_name)) {
6322                                         set_pref($link, $pref_name, 'false');
6323                                 } else {
6324                                         set_pref($link, $pref_name, 'true');
6325                                 }
6326                         }
6327                 }
6328         }
6329
6330         function remove_feed($link, $id, $owner_uid) {
6331
6332                 if ($id > 0) {
6333
6334                         /* save starred articles in Archived feed */
6335
6336                         db_query($link, "BEGIN");
6337
6338                         /* prepare feed if necessary */
6339
6340                         $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6341                                 WHERE id = '$id'");
6342
6343                         if (db_num_rows($result) == 0) {
6344                                 db_query($link, "INSERT INTO ttrss_archived_feeds
6345                                         (id, owner_uid, title, feed_url, site_url)
6346                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6347                                 WHERE id = '$id'");
6348                         }
6349
6350                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
6351                                 orig_feed_id = '$id' WHERE feed_id = '$id' AND
6352                                         marked = true AND owner_uid = $owner_uid");
6353
6354                         /* remove the feed */
6355
6356                         db_query($link, "DELETE FROM ttrss_feeds
6357                                         WHERE id = '$id' AND owner_uid = $owner_uid");
6358
6359                         db_query($link, "COMMIT");
6360
6361 /*                      if (file_exists(ICONS_DIR . "/$id.ico")) {
6362                                 unlink(ICONS_DIR . "/$id.ico");
6363                         } */
6364
6365                         ccache_remove($link, $id, $owner_uid);
6366
6367                 } else {
6368                         label_remove($link, -11-$id, $owner_uid);
6369                         ccache_remove($link, -11-$id, $owner_uid);
6370                 }
6371         }
6372
6373         function remove_feed_category($link, $id, $owner_uid) {
6374
6375                 db_query($link, "DELETE FROM ttrss_feed_categories
6376                         WHERE id = '$id' AND owner_uid = $owner_uid");
6377
6378                 ccache_remove($link, $id, $owner_uid, true);
6379         }
6380
6381         function archive_article($link, $id, $owner_uid) {
6382                 db_query($link, "BEGIN");
6383
6384                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6385                         WHERE ref_id = '$id' AND owner_uid = $owner_uid");
6386
6387                 if (db_num_rows($result) != 0) {
6388
6389                         /* prepare the archived table */
6390
6391                         $feed_id = (int) db_fetch_result($result, 0, "feed_id");
6392
6393                         if ($feed_id) {
6394                                 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6395                                         WHERE id = '$feed_id'");
6396
6397                                 if (db_num_rows($result) == 0) {
6398                                         db_query($link, "INSERT INTO ttrss_archived_feeds
6399                                                 (id, owner_uid, title, feed_url, site_url)
6400                                         SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6401                                         WHERE id = '$feed_id'");
6402                                 }
6403
6404                                 db_query($link, "UPDATE ttrss_user_entries
6405                                         SET orig_feed_id = feed_id, feed_id = NULL
6406                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6407                         }
6408                 }
6409
6410                 db_query($link, "COMMIT");
6411         }
6412
6413         function getArticleFeed($link, $id) {
6414                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6415                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6416
6417                 if (db_num_rows($result) != 0) {
6418                         return db_fetch_result($result, 0, "feed_id");
6419                 } else {
6420                         return 0;
6421                 }
6422         }
6423
6424         function make_url_from_parts($parts) {
6425                 $url = $parts['scheme'] . '://' . $parts['host'];
6426
6427                 if ($parts['path']) $url .= $parts['path'];
6428                 if ($parts['query']) $url .= '?' . $parts['query'];
6429
6430                 return $url;
6431         }
6432
6433         function validate_feed_url($url) {
6434                 $parts = parse_url($url);
6435
6436                 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
6437
6438         }
6439
6440 ?>